]> asedeno.scripts.mit.edu Git - git.git/blobdiff - git-gui.sh
git-gui: update Italian translation
[git.git] / git-gui.sh
index 2888864e49d3feb4ac9d0f156163a26944a2fc81..3a58cd2c6b49b8734234c6fb5957c035df9787d4 100755 (executable)
@@ -1,10 +1,17 @@
 #!/bin/sh
 # Tcl ignores the next line -*- tcl -*- \
 #!/bin/sh
 # Tcl ignores the next line -*- tcl -*- \
-exec wish "$0" -- "$@"
+ if test "z$*" = zversion \
+ || test "z$*" = z--version; \
+ then \
+       echo 'git-gui version @@GITGUI_VERSION@@'; \
+       exit; \
+ fi; \
+ argv0=$0; \
+ exec wish "$argv0" -- "$@"
 
 set appvers {@@GITGUI_VERSION@@}
 
 set appvers {@@GITGUI_VERSION@@}
-set copyright {
-Copyright © 2006, 2007 Shawn Pearce, et. al.
+set copyright [encoding convertfrom utf-8 {
+Copyright Â© 2006, 2007 Shawn Pearce, et. al.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -18,17 +25,102 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
+
+######################################################################
+##
+## Tcl/Tk sanity check
+
+if {[catch {package require Tcl 8.4} err]
+ || [catch {package require Tk  8.4} err]
+} {
+       catch {wm withdraw .}
+       tk_messageBox \
+               -icon error \
+               -type ok \
+               -title [mc "git-gui: fatal error"] \
+               -message $err
+       exit 1
+}
+
+catch {rename send {}} ; # What an evil concept...
+
+######################################################################
+##
+## locate our library
+
+set oguilib {@@GITGUI_LIBDIR@@}
+set oguirel {@@GITGUI_RELATIVE@@}
+if {$oguirel eq {1}} {
+       set oguilib [file dirname [file dirname [file normalize $argv0]]]
+       set oguilib [file join $oguilib share git-gui lib]
+       set oguimsg [file join $oguilib msgs]
+} elseif {[string match @@* $oguirel]} {
+       set oguilib [file join [file dirname [file normalize $argv0]] lib]
+       set oguimsg [file join [file dirname [file normalize $argv0]] po]
+} else {
+       set oguimsg [file join $oguilib msgs]
+}
+unset oguirel
+
+######################################################################
+##
+## enable verbose loading?
+
+if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
+       unset _verbose
+       rename auto_load real__auto_load
+       proc auto_load {name args} {
+               puts stderr "auto_load $name"
+               return [uplevel 1 real__auto_load $name $args]
+       }
+       rename source real__source
+       proc source {name} {
+               puts stderr "source    $name"
+               uplevel 1 real__source $name
+       }
+}
+
+######################################################################
+##
+## Internationalization (i18n) through msgcat and gettext. See
+## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
+
+package require msgcat
+
+proc _mc_trim {fmt} {
+       set cmk [string first @@ $fmt]
+       if {$cmk > 0} {
+               return [string range $fmt 0 [expr {$cmk - 1}]]
+       }
+       return $fmt
+}
+
+proc mc {en_fmt args} {
+       set fmt [_mc_trim [::msgcat::mc $en_fmt]]
+       if {[catch {set msg [eval [list format $fmt] $args]} err]} {
+               set msg [eval [list format [_mc_trim $en_fmt]] $args]
+       }
+       return $msg
+}
+
+proc strcat {args} {
+       return [join $args {}]
+}
+
+::msgcat::mcload $oguimsg
+unset oguimsg
 
 ######################################################################
 ##
 ## read only globals
 
 
 ######################################################################
 ##
 ## read only globals
 
-set _appname [lindex [file split $argv0] end]
+set _appname {Git Gui}
 set _gitdir {}
 set _gitexec {}
 set _reponame {}
 set _iscygwin {}
 set _gitdir {}
 set _gitexec {}
 set _reponame {}
 set _iscygwin {}
+set _search_path {}
 
 proc appname {} {
        global _appname
 
 proc appname {} {
        global _appname
@@ -40,7 +132,7 @@ proc gitdir {args} {
        if {$args eq {}} {
                return $_gitdir
        }
        if {$args eq {}} {
                return $_gitdir
        }
-       return [eval [concat [list file join $_gitdir] $args]]
+       return [eval [list file join $_gitdir] $args]
 }
 
 proc gitexec {args} {
 }
 
 proc gitexec {args} {
@@ -49,20 +141,26 @@ proc gitexec {args} {
                if {[catch {set _gitexec [git --exec-path]} err]} {
                        error "Git not installed?\n\n$err"
                }
                if {[catch {set _gitexec [git --exec-path]} err]} {
                        error "Git not installed?\n\n$err"
                }
+               if {[is_Cygwin]} {
+                       set _gitexec [exec cygpath \
+                               --windows \
+                               --absolute \
+                               $_gitexec]
+               } else {
+                       set _gitexec [file normalize $_gitexec]
+               }
        }
        if {$args eq {}} {
                return $_gitexec
        }
        }
        if {$args eq {}} {
                return $_gitexec
        }
-       return [eval [concat [list file join $_gitexec] $args]]
+       return [eval [list file join $_gitexec] $args]
 }
 
 proc reponame {} {
 }
 
 proc reponame {} {
-       global _reponame
-       return $_reponame
+       return $::_reponame
 }
 
 proc is_MacOSX {} {
 }
 
 proc is_MacOSX {} {
-       global tcl_platform tk_library
        if {[tk windowingsystem] eq {aqua}} {
                return 1
        }
        if {[tk windowingsystem] eq {aqua}} {
                return 1
        }
@@ -70,17 +168,16 @@ proc is_MacOSX {} {
 }
 
 proc is_Windows {} {
 }
 
 proc is_Windows {} {
-       global tcl_platform
-       if {$tcl_platform(platform) eq {windows}} {
+       if {$::tcl_platform(platform) eq {windows}} {
                return 1
        }
        return 0
 }
 
 proc is_Cygwin {} {
                return 1
        }
        return 0
 }
 
 proc is_Cygwin {} {
-       global tcl_platform _iscygwin
+       global _iscygwin
        if {$_iscygwin eq {}} {
        if {$_iscygwin eq {}} {
-               if {$tcl_platform(platform) eq {windows}} {
+               if {$::tcl_platform(platform) eq {windows}} {
                        if {[catch {set p [exec cygpath --windir]} err]} {
                                set _iscygwin 0
                        } else {
                        if {[catch {set p [exec cygpath --windir]} err]} {
                                set _iscygwin 0
                        } else {
@@ -115,6 +212,7 @@ proc disable_option {option} {
 
 proc is_many_config {name} {
        switch -glob -- $name {
 
 proc is_many_config {name} {
        switch -glob -- $name {
+       gui.recentrepo -
        remote.*.fetch -
        remote.*.push
                {return 1}
        remote.*.fetch -
        remote.*.push
                {return 1}
@@ -134,3584 +232,1266 @@ proc is_config_true {name} {
        }
 }
 
        }
 }
 
-proc load_config {include_global} {
-       global repo_config global_config default_config
+proc get_config {name} {
+       global repo_config
+       if {[catch {set v $repo_config($name)}]} {
+               return {}
+       } else {
+               return $v
+       }
+}
 
 
-       array unset global_config
-       if {$include_global} {
-               catch {
-                       set fd_rc [open "| git config --global --list" r]
-                       while {[gets $fd_rc line] >= 0} {
-                               if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
-                                       if {[is_many_config $name]} {
-                                               lappend global_config($name) $value
-                                       } else {
-                                               set global_config($name) $value
-                                       }
-                               }
+######################################################################
+##
+## handy utils
+
+proc _git_cmd {name} {
+       global _git_cmd_path
+
+       if {[catch {set v $_git_cmd_path($name)}]} {
+               switch -- $name {
+                 version   -
+               --version   -
+               --exec-path { return [list $::_git $name] }
+               }
+
+               set p [gitexec git-$name$::_search_exe]
+               if {[file exists $p]} {
+                       set v [list $p]
+               } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
+                       # Try to determine what sort of magic will make
+                       # git-$name go and do its thing, because native
+                       # Tcl on Windows doesn't know it.
+                       #
+                       set p [gitexec git-$name]
+                       set f [open $p r]
+                       set s [gets $f]
+                       close $f
+
+                       switch -glob -- [lindex $s 0] {
+                       #!*sh     { set i sh     }
+                       #!*perl   { set i perl   }
+                       #!*python { set i python }
+                       default   { error "git-$name is not supported: $s" }
                        }
                        }
-                       close $fd_rc
-               }
-       }
 
 
-       array unset repo_config
-       catch {
-               set fd_rc [open "| git config --list" r]
-               while {[gets $fd_rc line] >= 0} {
-                       if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
-                               if {[is_many_config $name]} {
-                                       lappend repo_config($name) $value
-                               } else {
-                                       set repo_config($name) $value
-                               }
+                       upvar #0 _$i interp
+                       if {![info exists interp]} {
+                               set interp [_which $i]
+                       }
+                       if {$interp eq {}} {
+                               error "git-$name requires $i (not in PATH)"
                        }
                        }
+                       set v [concat [list $interp] [lrange $s 1 end] [list $p]]
+               } else {
+                       # Assume it is builtin to git somehow and we
+                       # aren't actually able to see a file for it.
+                       #
+                       set v [list $::_git $name]
+               }
+               set _git_cmd_path($name) $v
+       }
+       return $v
+}
+
+proc _which {what} {
+       global env _search_exe _search_path
+
+       if {$_search_path eq {}} {
+               if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
+                       set _search_path [split [exec cygpath \
+                               --windows \
+                               --path \
+                               --absolute \
+                               $env(PATH)] {;}]
+                       set _search_exe .exe
+               } elseif {[is_Windows]} {
+                       set gitguidir [file dirname [info script]]
+                       regsub -all ";" $gitguidir "\\;" gitguidir
+                       set env(PATH) "$gitguidir;$env(PATH)"
+                       set _search_path [split $env(PATH) {;}]
+                       set _search_exe .exe
+               } else {
+                       set _search_path [split $env(PATH) :]
+                       set _search_exe {}
                }
                }
-               close $fd_rc
        }
 
        }
 
-       foreach name [array names default_config] {
-               if {[catch {set v $global_config($name)}]} {
-                       set global_config($name) $default_config($name)
-               }
-               if {[catch {set v $repo_config($name)}]} {
-                       set repo_config($name) $default_config($name)
+       foreach p $_search_path {
+               set p [file join $p $what$_search_exe]
+               if {[file exists $p]} {
+                       return [file normalize $p]
                }
        }
                }
        }
+       return {}
 }
 
 }
 
-proc save_config {} {
-       global default_config font_descs
-       global repo_config global_config
-       global repo_config_new global_config_new
+proc _lappend_nice {cmd_var} {
+       global _nice
+       upvar $cmd_var cmd
 
 
-       foreach option $font_descs {
-               set name [lindex $option 0]
-               set font [lindex $option 1]
-               font configure $font \
-                       -family $global_config_new(gui.$font^^family) \
-                       -size $global_config_new(gui.$font^^size)
-               font configure ${font}bold \
-                       -family $global_config_new(gui.$font^^family) \
-                       -size $global_config_new(gui.$font^^size)
-               set global_config_new(gui.$name) [font configure $font]
-               unset global_config_new(gui.$font^^family)
-               unset global_config_new(gui.$font^^size)
+       if {![info exists _nice]} {
+               set _nice [_which nice]
        }
        }
-
-       foreach name [array names default_config] {
-               set value $global_config_new($name)
-               if {$value ne $global_config($name)} {
-                       if {$value eq $default_config($name)} {
-                               catch {git config --global --unset $name}
-                       } else {
-                               regsub -all "\[{}\]" $value {"} value
-                               git config --global $name $value
-                       }
-                       set global_config($name) $value
-                       if {$value eq $repo_config($name)} {
-                               catch {git config --unset $name}
-                               set repo_config($name) $value
-                       }
-               }
+       if {$_nice ne {}} {
+               lappend cmd $_nice
        }
        }
+}
 
 
-       foreach name [array names default_config] {
-               set value $repo_config_new($name)
-               if {$value ne $repo_config($name)} {
-                       if {$value eq $global_config($name)} {
-                               catch {git config --unset $name}
-                       } else {
-                               regsub -all "\[{}\]" $value {"} value
-                               git config $name $value
-                       }
-                       set repo_config($name) $value
+proc git {args} {
+       set opt [list exec]
+
+       while {1} {
+               switch -- [lindex $args 0] {
+               --nice {
+                       _lappend_nice opt
                }
                }
-       }
-}
 
 
-######################################################################
-##
-## handy utils
+               default {
+                       break
+               }
 
 
-proc git {args} {
-       return [eval exec git $args]
-}
+               }
 
 
-proc error_popup {msg} {
-       set title [appname]
-       if {[reponame] ne {}} {
-               append title " ([reponame])"
+               set args [lrange $args 1 end]
        }
        }
-       set cmd [list tk_messageBox \
-               -icon error \
-               -type ok \
-               -title "$title: error" \
-               -message $msg]
-       if {[winfo ismapped .]} {
-               lappend cmd -parent .
-       }
-       eval $cmd
-}
 
 
-proc warn_popup {msg} {
-       set title [appname]
-       if {[reponame] ne {}} {
-               append title " ([reponame])"
-       }
-       set cmd [list tk_messageBox \
-               -icon warning \
-               -type ok \
-               -title "$title: warning" \
-               -message $msg]
-       if {[winfo ismapped .]} {
-               lappend cmd -parent .
-       }
-       eval $cmd
-}
+       set cmdp [_git_cmd [lindex $args 0]]
+       set args [lrange $args 1 end]
 
 
-proc info_popup {msg {parent .}} {
-       set title [appname]
-       if {[reponame] ne {}} {
-               append title " ([reponame])"
-       }
-       tk_messageBox \
-               -parent $parent \
-               -icon info \
-               -type ok \
-               -title $title \
-               -message $msg
+       return [eval $opt $cmdp $args]
 }
 
 }
 
-proc ask_popup {msg} {
-       set title [appname]
-       if {[reponame] ne {}} {
-               append title " ([reponame])"
+proc _open_stdout_stderr {cmd} {
+       if {[catch {
+                       set fd [open $cmd r]
+               } err]} {
+               if {   [lindex $cmd end] eq {2>@1}
+                   && $err eq {can not find channel named "1"}
+                       } {
+                       # Older versions of Tcl 8.4 don't have this 2>@1 IO
+                       # redirect operator.  Fallback to |& cat for those.
+                       # The command was not actually started, so its safe
+                       # to try to start it a second time.
+                       #
+                       set fd [open [concat \
+                               [lrange $cmd 0 end-1] \
+                               [list |& cat] \
+                               ] r]
+               } else {
+                       error $err
+               }
        }
        }
-       return [tk_messageBox \
-               -parent . \
-               -icon question \
-               -type yesno \
-               -title $title \
-               -message $msg]
+       fconfigure $fd -eofchar {}
+       return $fd
 }
 
 }
 
-######################################################################
-##
-## version check
+proc git_read {args} {
+       set opt [list |]
 
 
-set req_maj 1
-set req_min 5
+       while {1} {
+               switch -- [lindex $args 0] {
+               --nice {
+                       _lappend_nice opt
+               }
 
 
-if {[catch {set v [git --version]} err]} {
-       catch {wm withdraw .}
-       error_popup "Cannot determine Git version:
+               --stderr {
+                       lappend args 2>@1
+               }
 
 
-$err
+               default {
+                       break
+               }
 
 
-[appname] requires Git $req_maj.$req_min or later."
-       exit 1
-}
-if {[regexp {^git version (\d+)\.(\d+)} $v _junk act_maj act_min]} {
-       if {$act_maj < $req_maj
-               || ($act_maj == $req_maj && $act_min < $req_min)} {
-               catch {wm withdraw .}
-               error_popup "[appname] requires Git $req_maj.$req_min or later.
+               }
 
 
-You are using $v."
-               exit 1
+               set args [lrange $args 1 end]
        }
        }
-} else {
-       catch {wm withdraw .}
-       error_popup "Cannot parse Git version string:\n\n$v"
-       exit 1
-}
-unset -nocomplain v _junk act_maj act_min req_maj req_min
 
 
-######################################################################
-##
-## repository setup
+       set cmdp [_git_cmd [lindex $args 0]]
+       set args [lrange $args 1 end]
 
 
-if {   [catch {set _gitdir $env(GIT_DIR)}]
-       && [catch {set _gitdir [git rev-parse --git-dir]} err]} {
-       catch {wm withdraw .}
-       error_popup "Cannot find the git directory:\n\n$err"
-       exit 1
-}
-if {![file isdirectory $_gitdir] && [is_Cygwin]} {
-       catch {set _gitdir [exec cygpath --unix $_gitdir]}
-}
-if {![file isdirectory $_gitdir]} {
-       catch {wm withdraw .}
-       error_popup "Git directory not found:\n\n$_gitdir"
-       exit 1
-}
-if {[lindex [file split $_gitdir] end] ne {.git}} {
-       catch {wm withdraw .}
-       error_popup "Cannot use funny .git directory:\n\n$_gitdir"
-       exit 1
-}
-if {[catch {cd [file dirname $_gitdir]} err]} {
-       catch {wm withdraw .}
-       error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
-       exit 1
+       return [_open_stdout_stderr [concat $opt $cmdp $args]]
 }
 }
-set _reponame [lindex [file split \
-       [file normalize [file dirname $_gitdir]]] \
-       end]
-
-######################################################################
-##
-## global init
-
-set current_diff_path {}
-set current_diff_side {}
-set diff_actions [list]
-set ui_status_value {Initializing...}
-
-set HEAD {}
-set PARENT {}
-set MERGE_HEAD [list]
-set commit_type {}
-set empty_tree {}
-set current_branch {}
-set current_diff_path {}
-set selected_commit_type new
-
-######################################################################
-##
-## task management
 
 
-set rescan_active 0
-set diff_active 0
-set last_clicked {}
+proc git_write {args} {
+       set opt [list |]
 
 
-set disable_on_lock [list]
-set index_lock_type none
+       while {1} {
+               switch -- [lindex $args 0] {
+               --nice {
+                       _lappend_nice opt
+               }
 
 
-proc lock_index {type} {
-       global index_lock_type disable_on_lock
+               default {
+                       break
+               }
 
 
-       if {$index_lock_type eq {none}} {
-               set index_lock_type $type
-               foreach w $disable_on_lock {
-                       uplevel #0 $w disabled
                }
                }
-               return 1
-       } elseif {$index_lock_type eq "begin-$type"} {
-               set index_lock_type $type
-               return 1
+
+               set args [lrange $args 1 end]
        }
        }
-       return 0
-}
 
 
-proc unlock_index {} {
-       global index_lock_type disable_on_lock
+       set cmdp [_git_cmd [lindex $args 0]]
+       set args [lrange $args 1 end]
 
 
-       set index_lock_type none
-       foreach w $disable_on_lock {
-               uplevel #0 $w normal
-       }
+       return [open [concat $opt $cmdp $args] w]
 }
 
 }
 
-######################################################################
-##
-## status
-
-proc repository_state {ctvar hdvar mhvar} {
-       global current_branch
-       upvar $ctvar ct $hdvar hd $mhvar mh
+proc githook_read {hook_name args} {
+       set pchook [gitdir hooks $hook_name]
+       lappend args 2>@1
 
 
-       set mh [list]
+       # On Cygwin [file executable] might lie so we need to ask
+       # the shell if the hook is executable.  Yes that's annoying.
+       #
+       if {[is_Cygwin]} {
+               upvar #0 _sh interp
+               if {![info exists interp]} {
+                       set interp [_which sh]
+               }
+               if {$interp eq {}} {
+                       error "hook execution requires sh (not in PATH)"
+               }
 
 
-       if {[catch {set current_branch [git symbolic-ref HEAD]}]} {
-               set current_branch {}
-       } else {
-               regsub ^refs/((heads|tags|remotes)/)? \
-                       $current_branch \
-                       {} \
-                       current_branch
+               set scr {if test -x "$1";then exec "$@";fi}
+               set sh_c [list | $interp -c $scr $interp $pchook]
+               return [_open_stdout_stderr [concat $sh_c $args]]
        }
 
        }
 
-       if {[catch {set hd [git rev-parse --verify HEAD]}]} {
-               set hd {}
-               set ct initial
-               return
+       if {[file executable $pchook]} {
+               return [_open_stdout_stderr [concat [list | $pchook] $args]]
        }
 
        }
 
-       set merge_head [gitdir MERGE_HEAD]
-       if {[file exists $merge_head]} {
-               set ct merge
-               set fd_mh [open $merge_head r]
-               while {[gets $fd_mh line] >= 0} {
-                       lappend mh $line
-               }
-               close $fd_mh
-               return
-       }
+       return {}
+}
 
 
-       set ct normal
+proc sq {value} {
+       regsub -all ' $value "'\\''" value
+       return "'$value'"
 }
 
 }
 
-proc PARENT {} {
-       global PARENT empty_tree
+proc load_current_branch {} {
+       global current_branch is_detached
 
 
-       set p [lindex $PARENT 0]
-       if {$p ne {}} {
-               return $p
+       set fd [open [gitdir HEAD] r]
+       if {[gets $fd ref] < 1} {
+               set ref {}
        }
        }
-       if {$empty_tree eq {}} {
-               set empty_tree [git mktree << {}]
+       close $fd
+
+       set pfx {ref: refs/heads/}
+       set len [string length $pfx]
+       if {[string equal -length $len $pfx $ref]} {
+               # We're on a branch.  It might not exist.  But
+               # HEAD looks good enough to be a branch.
+               #
+               set current_branch [string range $ref $len end]
+               set is_detached 0
+       } else {
+               # Assume this is a detached head.
+               #
+               set current_branch HEAD
+               set is_detached 1
        }
        }
-       return $empty_tree
 }
 
 }
 
-proc rescan {after {honor_trustmtime 1}} {
-       global HEAD PARENT MERGE_HEAD commit_type
-       global ui_index ui_workdir ui_status_value ui_comm
-       global rescan_active file_states
-       global repo_config
+auto_load tk_optionMenu
+rename tk_optionMenu real__tkOptionMenu
+proc tk_optionMenu {w varName args} {
+       set m [eval real__tkOptionMenu $w $varName $args]
+       $m configure -font font_ui
+       $w configure -font font_ui
+       return $m
+}
 
 
-       if {$rescan_active > 0 || ![lock_index read]} return
+proc rmsel_tag {text} {
+       $text tag conf sel \
+               -background [$text cget -background] \
+               -foreground [$text cget -foreground] \
+               -borderwidth 0
+       $text tag conf in_sel -background lightgray
+       bind $text <Motion> break
+       return $text
+}
 
 
-       repository_state newType newHEAD newMERGE_HEAD
-       if {[string match amend* $commit_type]
-               && $newType eq {normal}
-               && $newHEAD eq $HEAD} {
-       } else {
-               set HEAD $newHEAD
-               set PARENT $newHEAD
-               set MERGE_HEAD $newMERGE_HEAD
-               set commit_type $newType
-       }
-
-       array unset file_states
-
-       if {![$ui_comm edit modified]
-               || [string trim [$ui_comm get 0.0 end]] eq {}} {
-               if {[load_message GITGUI_MSG]} {
-               } elseif {[load_message MERGE_MSG]} {
-               } elseif {[load_message SQUASH_MSG]} {
-               }
-               $ui_comm edit reset
-               $ui_comm edit modified false
-       }
-
-       if {[is_enabled branch]} {
-               load_all_heads
-               populate_branch_menu
-       }
-
-       if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
-               rescan_stage2 {} $after
-       } else {
-               set rescan_active 1
-               set ui_status_value {Refreshing file status...}
-               set cmd [list git update-index]
-               lappend cmd -q
-               lappend cmd --unmerged
-               lappend cmd --ignore-missing
-               lappend cmd --refresh
-               set fd_rf [open "| $cmd" r]
-               fconfigure $fd_rf -blocking 0 -translation binary
-               fileevent $fd_rf readable \
-                       [list rescan_stage2 $fd_rf $after]
-       }
-}
-
-proc rescan_stage2 {fd after} {
-       global ui_status_value
-       global rescan_active buf_rdi buf_rdf buf_rlo
-
-       if {$fd ne {}} {
-               read $fd
-               if {![eof $fd]} return
-               close $fd
-       }
-
-       set ls_others [list | git ls-files --others -z \
-               --exclude-per-directory=.gitignore]
-       set info_exclude [gitdir info exclude]
-       if {[file readable $info_exclude]} {
-               lappend ls_others "--exclude-from=$info_exclude"
-       }
-
-       set buf_rdi {}
-       set buf_rdf {}
-       set buf_rlo {}
-
-       set rescan_active 3
-       set ui_status_value {Scanning for modified files ...}
-       set fd_di [open "| git diff-index --cached -z [PARENT]" r]
-       set fd_df [open "| git diff-files -z" r]
-       set fd_lo [open $ls_others r]
-
-       fconfigure $fd_di -blocking 0 -translation binary -encoding binary
-       fconfigure $fd_df -blocking 0 -translation binary -encoding binary
-       fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
-       fileevent $fd_di readable [list read_diff_index $fd_di $after]
-       fileevent $fd_df readable [list read_diff_files $fd_df $after]
-       fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
-}
-
-proc load_message {file} {
-       global ui_comm
-
-       set f [gitdir $file]
-       if {[file isfile $f]} {
-               if {[catch {set fd [open $f r]}]} {
-                       return 0
-               }
-               set content [string trim [read $fd]]
-               close $fd
-               regsub -all -line {[ \r\t]+$} $content {} content
-               $ui_comm delete 0.0 end
-               $ui_comm insert end $content
-               return 1
-       }
-       return 0
-}
-
-proc read_diff_index {fd after} {
-       global buf_rdi
-
-       append buf_rdi [read $fd]
-       set c 0
-       set n [string length $buf_rdi]
-       while {$c < $n} {
-               set z1 [string first "\0" $buf_rdi $c]
-               if {$z1 == -1} break
-               incr z1
-               set z2 [string first "\0" $buf_rdi $z1]
-               if {$z2 == -1} break
-
-               incr c
-               set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
-               set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
-               merge_state \
-                       [encoding convertfrom $p] \
-                       [lindex $i 4]? \
-                       [list [lindex $i 0] [lindex $i 2]] \
-                       [list]
-               set c $z2
-               incr c
-       }
-       if {$c < $n} {
-               set buf_rdi [string range $buf_rdi $c end]
-       } else {
-               set buf_rdi {}
-       }
-
-       rescan_done $fd buf_rdi $after
-}
-
-proc read_diff_files {fd after} {
-       global buf_rdf
-
-       append buf_rdf [read $fd]
-       set c 0
-       set n [string length $buf_rdf]
-       while {$c < $n} {
-               set z1 [string first "\0" $buf_rdf $c]
-               if {$z1 == -1} break
-               incr z1
-               set z2 [string first "\0" $buf_rdf $z1]
-               if {$z2 == -1} break
-
-               incr c
-               set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
-               set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
-               merge_state \
-                       [encoding convertfrom $p] \
-                       ?[lindex $i 4] \
-                       [list] \
-                       [list [lindex $i 0] [lindex $i 2]]
-               set c $z2
-               incr c
-       }
-       if {$c < $n} {
-               set buf_rdf [string range $buf_rdf $c end]
-       } else {
-               set buf_rdf {}
-       }
-
-       rescan_done $fd buf_rdf $after
-}
-
-proc read_ls_others {fd after} {
-       global buf_rlo
-
-       append buf_rlo [read $fd]
-       set pck [split $buf_rlo "\0"]
-       set buf_rlo [lindex $pck end]
-       foreach p [lrange $pck 0 end-1] {
-               merge_state [encoding convertfrom $p] ?O
-       }
-       rescan_done $fd buf_rlo $after
-}
-
-proc rescan_done {fd buf after} {
-       global rescan_active
-       global file_states repo_config
-       upvar $buf to_clear
-
-       if {![eof $fd]} return
-       set to_clear {}
-       close $fd
-       if {[incr rescan_active -1] > 0} return
-
-       prune_selection
-       unlock_index
-       display_all_files
-       reshow_diff
-       uplevel #0 $after
-}
-
-proc prune_selection {} {
-       global file_states selected_paths
-
-       foreach path [array names selected_paths] {
-               if {[catch {set still_here $file_states($path)}]} {
-                       unset selected_paths($path)
-               }
-       }
-}
-
-######################################################################
-##
-## diff
-
-proc clear_diff {} {
-       global ui_diff current_diff_path current_diff_header
-       global ui_index ui_workdir
-
-       $ui_diff conf -state normal
-       $ui_diff delete 0.0 end
-       $ui_diff conf -state disabled
-
-       set current_diff_path {}
-       set current_diff_header {}
-
-       $ui_index tag remove in_diff 0.0 end
-       $ui_workdir tag remove in_diff 0.0 end
-}
-
-proc reshow_diff {} {
-       global ui_status_value file_states file_lists
-       global current_diff_path current_diff_side
-
-       set p $current_diff_path
-       if {$p eq {}} {
-               # No diff is being shown.
-       } elseif {$current_diff_side eq {}
-               || [catch {set s $file_states($p)}]
-               || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
-               clear_diff
-       } else {
-               show_diff $p $current_diff_side
-       }
-}
-
-proc handle_empty_diff {} {
-       global current_diff_path file_states file_lists
-
-       set path $current_diff_path
-       set s $file_states($path)
-       if {[lindex $s 0] ne {_M}} return
-
-       info_popup "No differences detected.
-
-[short_path $path] has no changes.
-
-The modification date of this file was updated
-by another application, but the content within
-the file was not changed.
-
-A rescan will be automatically started to find
-other files which may have the same state."
-
-       clear_diff
-       display_file $path __
-       rescan {set ui_status_value {Ready.}} 0
-}
-
-proc show_diff {path w {lno {}}} {
-       global file_states file_lists
-       global is_3way_diff diff_active repo_config
-       global ui_diff ui_status_value ui_index ui_workdir
-       global current_diff_path current_diff_side current_diff_header
-
-       if {$diff_active || ![lock_index read]} return
-
-       clear_diff
-       if {$lno == {}} {
-               set lno [lsearch -sorted -exact $file_lists($w) $path]
-               if {$lno >= 0} {
-                       incr lno
-               }
-       }
-       if {$lno >= 1} {
-               $w tag add in_diff $lno.0 [expr {$lno + 1}].0
-       }
-
-       set s $file_states($path)
-       set m [lindex $s 0]
-       set is_3way_diff 0
-       set diff_active 1
-       set current_diff_path $path
-       set current_diff_side $w
-       set current_diff_header {}
-       set ui_status_value "Loading diff of [escape_path $path]..."
-
-       # - Git won't give us the diff, there's nothing to compare to!
-       #
-       if {$m eq {_O}} {
-               set max_sz [expr {128 * 1024}]
-               if {[catch {
-                               set fd [open $path r]
-                               set content [read $fd $max_sz]
-                               close $fd
-                               set sz [file size $path]
-                       } err ]} {
-                       set diff_active 0
-                       unlock_index
-                       set ui_status_value "Unable to display [escape_path $path]"
-                       error_popup "Error loading file:\n\n$err"
-                       return
-               }
-               $ui_diff conf -state normal
-               if {![catch {set type [exec file $path]}]} {
-                       set n [string length $path]
-                       if {[string equal -length $n $path $type]} {
-                               set type [string range $type $n end]
-                               regsub {^:?\s*} $type {} type
-                       }
-                       $ui_diff insert end "* $type\n" d_@
-               }
-               if {[string first "\0" $content] != -1} {
-                       $ui_diff insert end \
-                               "* Binary file (not showing content)." \
-                               d_@
-               } else {
-                       if {$sz > $max_sz} {
-                               $ui_diff insert end \
-"* Untracked file is $sz bytes.
-* Showing only first $max_sz bytes.
-" d_@
-                       }
-                       $ui_diff insert end $content
-                       if {$sz > $max_sz} {
-                               $ui_diff insert end "
-* Untracked file clipped here by [appname].
-* To see the entire file, use an external editor.
-" d_@
-                       }
-               }
-               $ui_diff conf -state disabled
-               set diff_active 0
-               unlock_index
-               set ui_status_value {Ready.}
-               return
-       }
-
-       set cmd [list | git]
-       if {$w eq $ui_index} {
-               lappend cmd diff-index
-               lappend cmd --cached
-       } elseif {$w eq $ui_workdir} {
-               if {[string index $m 0] eq {U}} {
-                       lappend cmd diff
-               } else {
-                       lappend cmd diff-files
-               }
-       }
-
-       lappend cmd -p
-       lappend cmd --no-color
-       if {$repo_config(gui.diffcontext) > 0} {
-               lappend cmd "-U$repo_config(gui.diffcontext)"
-       }
-       if {$w eq $ui_index} {
-               lappend cmd [PARENT]
-       }
-       lappend cmd --
-       lappend cmd $path
-
-       if {[catch {set fd [open $cmd r]} err]} {
-               set diff_active 0
-               unlock_index
-               set ui_status_value "Unable to display [escape_path $path]"
-               error_popup "Error loading diff:\n\n$err"
-               return
-       }
-
-       fconfigure $fd \
-               -blocking 0 \
-               -encoding binary \
-               -translation binary
-       fileevent $fd readable [list read_diff $fd]
-}
-
-proc read_diff {fd} {
-       global ui_diff ui_status_value diff_active
-       global is_3way_diff current_diff_header
-
-       $ui_diff conf -state normal
-       while {[gets $fd line] >= 0} {
-               # -- Cleanup uninteresting diff header lines.
-               #
-               if {   [string match {diff --git *}      $line]
-                       || [string match {diff --cc *}       $line]
-                       || [string match {diff --combined *} $line]
-                       || [string match {--- *}             $line]
-                       || [string match {+++ *}             $line]} {
-                       append current_diff_header $line "\n"
-                       continue
-               }
-               if {[string match {index *} $line]} continue
-               if {$line eq {deleted file mode 120000}} {
-                       set line "deleted symlink"
-               }
-
-               # -- Automatically detect if this is a 3 way diff.
-               #
-               if {[string match {@@@ *} $line]} {set is_3way_diff 1}
-
-               if {[string match {mode *} $line]
-                       || [string match {new file *} $line]
-                       || [string match {deleted file *} $line]
-                       || [string match {Binary files * and * differ} $line]
-                       || $line eq {\ No newline at end of file}
-                       || [regexp {^\* Unmerged path } $line]} {
-                       set tags {}
-               } elseif {$is_3way_diff} {
-                       set op [string range $line 0 1]
-                       switch -- $op {
-                       {  } {set tags {}}
-                       {@@} {set tags d_@}
-                       { +} {set tags d_s+}
-                       { -} {set tags d_s-}
-                       {+ } {set tags d_+s}
-                       {- } {set tags d_-s}
-                       {--} {set tags d_--}
-                       {++} {
-                               if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
-                                       set line [string replace $line 0 1 {  }]
-                                       set tags d$op
-                               } else {
-                                       set tags d_++
-                               }
-                       }
-                       default {
-                               puts "error: Unhandled 3 way diff marker: {$op}"
-                               set tags {}
-                       }
-                       }
-               } else {
-                       set op [string index $line 0]
-                       switch -- $op {
-                       { } {set tags {}}
-                       {@} {set tags d_@}
-                       {-} {set tags d_-}
-                       {+} {
-                               if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
-                                       set line [string replace $line 0 0 { }]
-                                       set tags d$op
-                               } else {
-                                       set tags d_+
-                               }
-                       }
-                       default {
-                               puts "error: Unhandled 2 way diff marker: {$op}"
-                               set tags {}
-                       }
-                       }
-               }
-               $ui_diff insert end $line $tags
-               if {[string index $line end] eq "\r"} {
-                       $ui_diff tag add d_cr {end - 2c}
-               }
-               $ui_diff insert end "\n" $tags
-       }
-       $ui_diff conf -state disabled
-
-       if {[eof $fd]} {
-               close $fd
-               set diff_active 0
-               unlock_index
-               set ui_status_value {Ready.}
-
-               if {[$ui_diff index end] eq {2.0}} {
-                       handle_empty_diff
-               }
-       }
-}
-
-proc apply_hunk {x y} {
-       global current_diff_path current_diff_header current_diff_side
-       global ui_diff ui_index file_states
-
-       if {$current_diff_path eq {} || $current_diff_header eq {}} return
-       if {![lock_index apply_hunk]} return
-
-       set apply_cmd {git apply --cached --whitespace=nowarn}
-       set mi [lindex $file_states($current_diff_path) 0]
-       if {$current_diff_side eq $ui_index} {
-               set mode unstage
-               lappend apply_cmd --reverse
-               if {[string index $mi 0] ne {M}} {
-                       unlock_index
-                       return
-               }
-       } else {
-               set mode stage
-               if {[string index $mi 1] ne {M}} {
-                       unlock_index
-                       return
-               }
-       }
-
-       set s_lno [lindex [split [$ui_diff index @$x,$y] .] 0]
-       set s_lno [$ui_diff search -backwards -regexp ^@@ $s_lno.0 0.0]
-       if {$s_lno eq {}} {
-               unlock_index
-               return
-       }
-
-       set e_lno [$ui_diff search -forwards -regexp ^@@ "$s_lno + 1 lines" end]
-       if {$e_lno eq {}} {
-               set e_lno end
-       }
-
-       if {[catch {
-               set p [open "| $apply_cmd" w]
-               fconfigure $p -translation binary -encoding binary
-               puts -nonewline $p $current_diff_header
-               puts -nonewline $p [$ui_diff get $s_lno $e_lno]
-               close $p} err]} {
-               error_popup "Failed to $mode selected hunk.\n\n$err"
-               unlock_index
-               return
-       }
-
-       $ui_diff conf -state normal
-       $ui_diff delete $s_lno $e_lno
-       $ui_diff conf -state disabled
-
-       if {[$ui_diff get 1.0 end] eq "\n"} {
-               set o _
-       } else {
-               set o ?
-       }
-
-       if {$current_diff_side eq $ui_index} {
-               set mi ${o}M
-       } elseif {[string index $mi 0] eq {_}} {
-               set mi M$o
-       } else {
-               set mi ?$o
-       }
-       unlock_index
-       display_file $current_diff_path $mi
-       if {$o eq {_}} {
-               clear_diff
-       }
-}
-
-######################################################################
-##
-## commit
-
-proc load_last_commit {} {
-       global HEAD PARENT MERGE_HEAD commit_type ui_comm
-       global repo_config
-
-       if {[llength $PARENT] == 0} {
-               error_popup {There is nothing to amend.
-
-You are about to create the initial commit.
-There is no commit before this to amend.
-}
-               return
-       }
-
-       repository_state curType curHEAD curMERGE_HEAD
-       if {$curType eq {merge}} {
-               error_popup {Cannot amend while merging.
-
-You are currently in the middle of a merge that
-has not been fully completed.  You cannot amend
-the prior commit unless you first abort the
-current merge activity.
-}
-               return
-       }
-
-       set msg {}
-       set parents [list]
-       if {[catch {
-                       set fd [open "| git cat-file commit $curHEAD" r]
-                       fconfigure $fd -encoding binary -translation lf
-                       if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
-                               set enc utf-8
-                       }
-                       while {[gets $fd line] > 0} {
-                               if {[string match {parent *} $line]} {
-                                       lappend parents [string range $line 7 end]
-                               } elseif {[string match {encoding *} $line]} {
-                                       set enc [string tolower [string range $line 9 end]]
-                               }
-                       }
-                       fconfigure $fd -encoding $enc
-                       set msg [string trim [read $fd]]
-                       close $fd
-               } err]} {
-               error_popup "Error loading commit data for amend:\n\n$err"
-               return
-       }
-
-       set HEAD $curHEAD
-       set PARENT $parents
-       set MERGE_HEAD [list]
-       switch -- [llength $parents] {
-       0       {set commit_type amend-initial}
-       1       {set commit_type amend}
-       default {set commit_type amend-merge}
-       }
-
-       $ui_comm delete 0.0 end
-       $ui_comm insert end $msg
-       $ui_comm edit reset
-       $ui_comm edit modified false
-       rescan {set ui_status_value {Ready.}}
-}
-
-proc create_new_commit {} {
-       global commit_type ui_comm
-
-       set commit_type normal
-       $ui_comm delete 0.0 end
-       $ui_comm edit reset
-       $ui_comm edit modified false
-       rescan {set ui_status_value {Ready.}}
-}
-
-set GIT_COMMITTER_IDENT {}
-
-proc committer_ident {} {
-       global GIT_COMMITTER_IDENT
-
-       if {$GIT_COMMITTER_IDENT eq {}} {
-               if {[catch {set me [git var GIT_COMMITTER_IDENT]} err]} {
-                       error_popup "Unable to obtain your identity:\n\n$err"
-                       return {}
-               }
-               if {![regexp {^(.*) [0-9]+ [-+0-9]+$} \
-                       $me me GIT_COMMITTER_IDENT]} {
-                       error_popup "Invalid GIT_COMMITTER_IDENT:\n\n$me"
-                       return {}
-               }
-       }
-
-       return $GIT_COMMITTER_IDENT
-}
-
-proc commit_tree {} {
-       global HEAD commit_type file_states ui_comm repo_config
-       global ui_status_value pch_error
-
-       if {[committer_ident] eq {}} return
-       if {![lock_index update]} return
-
-       # -- Our in memory state should match the repository.
-       #
-       repository_state curType curHEAD curMERGE_HEAD
-       if {[string match amend* $commit_type]
-               && $curType eq {normal}
-               && $curHEAD eq $HEAD} {
-       } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
-               info_popup {Last scanned state does not match repository state.
-
-Another Git program has modified this repository
-since the last scan.  A rescan must be performed
-before another commit can be created.
-
-The rescan will be automatically started now.
-}
-               unlock_index
-               rescan {set ui_status_value {Ready.}}
-               return
-       }
-
-       # -- At least one file should differ in the index.
-       #
-       set files_ready 0
-       foreach path [array names file_states] {
-               switch -glob -- [lindex $file_states($path) 0] {
-               _? {continue}
-               A? -
-               D? -
-               M? {set files_ready 1}
-               U? {
-                       error_popup "Unmerged files cannot be committed.
-
-File [short_path $path] has merge conflicts.
-You must resolve them and add the file before committing.
-"
-                       unlock_index
-                       return
-               }
-               default {
-                       error_popup "Unknown file state [lindex $s 0] detected.
-
-File [short_path $path] cannot be committed by this program.
-"
-               }
-               }
-       }
-       if {!$files_ready && ![string match *merge $curType]} {
-               info_popup {No changes to commit.
-
-You must add at least 1 file before you can commit.
-}
-               unlock_index
-               return
-       }
-
-       # -- A message is required.
-       #
-       set msg [string trim [$ui_comm get 1.0 end]]
-       regsub -all -line {[ \t\r]+$} $msg {} msg
-       if {$msg eq {}} {
-               error_popup {Please supply a commit message.
-
-A good commit message has the following format:
-
-- First line: Describe in one sentance what you did.
-- Second line: Blank
-- Remaining lines: Describe why this change is good.
-}
-               unlock_index
-               return
-       }
-
-       # -- Run the pre-commit hook.
-       #
-       set pchook [gitdir hooks pre-commit]
-
-       # On Cygwin [file executable] might lie so we need to ask
-       # the shell if the hook is executable.  Yes that's annoying.
-       #
-       if {[is_Cygwin] && [file isfile $pchook]} {
-               set pchook [list sh -c [concat \
-                       "if test -x \"$pchook\";" \
-                       "then exec \"$pchook\" 2>&1;" \
-                       "fi"]]
-       } elseif {[file executable $pchook]} {
-               set pchook [list $pchook |& cat]
-       } else {
-               commit_writetree $curHEAD $msg
-               return
-       }
-
-       set ui_status_value {Calling pre-commit hook...}
-       set pch_error {}
-       set fd_ph [open "| $pchook" r]
-       fconfigure $fd_ph -blocking 0 -translation binary
-       fileevent $fd_ph readable \
-               [list commit_prehook_wait $fd_ph $curHEAD $msg]
-}
-
-proc commit_prehook_wait {fd_ph curHEAD msg} {
-       global pch_error ui_status_value
-
-       append pch_error [read $fd_ph]
-       fconfigure $fd_ph -blocking 1
-       if {[eof $fd_ph]} {
-               if {[catch {close $fd_ph}]} {
-                       set ui_status_value {Commit declined by pre-commit hook.}
-                       hook_failed_popup pre-commit $pch_error
-                       unlock_index
-               } else {
-                       commit_writetree $curHEAD $msg
-               }
-               set pch_error {}
-               return
-       }
-       fconfigure $fd_ph -blocking 0
-}
-
-proc commit_writetree {curHEAD msg} {
-       global ui_status_value
-
-       set ui_status_value {Committing changes...}
-       set fd_wt [open "| git write-tree" r]
-       fileevent $fd_wt readable \
-               [list commit_committree $fd_wt $curHEAD $msg]
-}
-
-proc commit_committree {fd_wt curHEAD msg} {
-       global HEAD PARENT MERGE_HEAD commit_type
-       global all_heads current_branch
-       global ui_status_value ui_comm selected_commit_type
-       global file_states selected_paths rescan_active
-       global repo_config
-
-       gets $fd_wt tree_id
-       if {$tree_id eq {} || [catch {close $fd_wt} err]} {
-               error_popup "write-tree failed:\n\n$err"
-               set ui_status_value {Commit failed.}
-               unlock_index
-               return
-       }
-
-       # -- Verify this wasn't an empty change.
-       #
-       if {$commit_type eq {normal}} {
-               set old_tree [git rev-parse "$PARENT^{tree}"]
-               if {$tree_id eq $old_tree} {
-                       info_popup {No changes to commit.
-
-No files were modified by this commit and it
-was not a merge commit.
-
-A rescan will be automatically started now.
-}
-                       unlock_index
-                       rescan {set ui_status_value {No changes to commit.}}
-                       return
-               }
-       }
-
-       # -- Build the message.
-       #
-       set msg_p [gitdir COMMIT_EDITMSG]
-       set msg_wt [open $msg_p w]
-       if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
-               set enc utf-8
-       }
-       fconfigure $msg_wt -encoding $enc -translation binary
-       puts -nonewline $msg_wt $msg
-       close $msg_wt
-
-       # -- Create the commit.
-       #
-       set cmd [list git commit-tree $tree_id]
-       foreach p [concat $PARENT $MERGE_HEAD] {
-               lappend cmd -p $p
-       }
-       lappend cmd <$msg_p
-       if {[catch {set cmt_id [eval exec $cmd]} err]} {
-               error_popup "commit-tree failed:\n\n$err"
-               set ui_status_value {Commit failed.}
-               unlock_index
-               return
-       }
-
-       # -- Update the HEAD ref.
-       #
-       set reflogm commit
-       if {$commit_type ne {normal}} {
-               append reflogm " ($commit_type)"
-       }
-       set i [string first "\n" $msg]
-       if {$i >= 0} {
-               append reflogm {: } [string range $msg 0 [expr {$i - 1}]]
-       } else {
-               append reflogm {: } $msg
-       }
-       set cmd [list git update-ref -m $reflogm HEAD $cmt_id $curHEAD]
-       if {[catch {eval exec $cmd} err]} {
-               error_popup "update-ref failed:\n\n$err"
-               set ui_status_value {Commit failed.}
-               unlock_index
-               return
-       }
-
-       # -- Cleanup after ourselves.
-       #
-       catch {file delete $msg_p}
-       catch {file delete [gitdir MERGE_HEAD]}
-       catch {file delete [gitdir MERGE_MSG]}
-       catch {file delete [gitdir SQUASH_MSG]}
-       catch {file delete [gitdir GITGUI_MSG]}
-
-       # -- Let rerere do its thing.
-       #
-       if {[file isdirectory [gitdir rr-cache]]} {
-               catch {git rerere}
-       }
-
-       # -- Run the post-commit hook.
-       #
-       set pchook [gitdir hooks post-commit]
-       if {[is_Cygwin] && [file isfile $pchook]} {
-               set pchook [list sh -c [concat \
-                       "if test -x \"$pchook\";" \
-                       "then exec \"$pchook\";" \
-                       "fi"]]
-       } elseif {![file executable $pchook]} {
-               set pchook {}
-       }
-       if {$pchook ne {}} {
-               catch {exec $pchook &}
-       }
-
-       $ui_comm delete 0.0 end
-       $ui_comm edit reset
-       $ui_comm edit modified false
-
-       if {[is_enabled singlecommit]} do_quit
-
-       # -- Make sure our current branch exists.
-       #
-       if {$commit_type eq {initial}} {
-               lappend all_heads $current_branch
-               set all_heads [lsort -unique $all_heads]
-               populate_branch_menu
-       }
-
-       # -- Update in memory status
-       #
-       set selected_commit_type new
-       set commit_type normal
-       set HEAD $cmt_id
-       set PARENT $cmt_id
-       set MERGE_HEAD [list]
-
-       foreach path [array names file_states] {
-               set s $file_states($path)
-               set m [lindex $s 0]
-               switch -glob -- $m {
-               _O -
-               _M -
-               _D {continue}
-               __ -
-               A_ -
-               M_ -
-               D_ {
-                       unset file_states($path)
-                       catch {unset selected_paths($path)}
-               }
-               DO {
-                       set file_states($path) [list _O [lindex $s 1] {} {}]
-               }
-               AM -
-               AD -
-               MM -
-               MD {
-                       set file_states($path) [list \
-                               _[string index $m 1] \
-                               [lindex $s 1] \
-                               [lindex $s 3] \
-                               {}]
-               }
-               }
-       }
-
-       display_all_files
-       unlock_index
-       reshow_diff
-       set ui_status_value \
-               "Changes committed as [string range $cmt_id 0 7]."
-}
-
-######################################################################
-##
-## fetch push
-
-proc fetch_from {remote} {
-       set w [new_console \
-               "fetch $remote" \
-               "Fetching new changes from $remote"]
-       set cmd [list git fetch]
-       lappend cmd $remote
-       console_exec $w $cmd console_done
+set root_exists 0
+bind . <Visibility> {
+       bind . <Visibility> {}
+       set root_exists 1
 }
 
 }
 
-proc push_to {remote} {
-       set w [new_console \
-               "push $remote" \
-               "Pushing changes to $remote"]
-       set cmd [list git push]
-       lappend cmd -v
-       lappend cmd $remote
-       console_exec $w $cmd console_done
+if {[is_Windows]} {
+       wm iconbitmap . -default $oguilib/git-gui.ico
 }
 
 ######################################################################
 ##
 }
 
 ######################################################################
 ##
-## ui helpers
-
-proc mapicon {w state path} {
-       global all_icons
-
-       if {[catch {set r $all_icons($state$w)}]} {
-               puts "error: no icon for $w state={$state} $path"
-               return file_plain
-       }
-       return $r
-}
-
-proc mapdesc {state path} {
-       global all_descs
-
-       if {[catch {set r $all_descs($state)}]} {
-               puts "error: no desc for state={$state} $path"
-               return $state
-       }
-       return $r
-}
-
-proc escape_path {path} {
-       regsub -all {\\} $path "\\\\" path
-       regsub -all "\n" $path "\\n" path
-       return $path
-}
+## config defaults
 
 
-proc short_path {path} {
-       return [escape_path [lindex [file split $path] end]]
+set cursor_ptr arrow
+font create font_diff -family Courier -size 10
+font create font_ui
+catch {
+       label .dummy
+       eval font configure font_ui [font actual [.dummy cget -font]]
+       destroy .dummy
 }
 
 }
 
-set next_icon_id 0
-set null_sha1 [string repeat 0 40]
-
-proc merge_state {path new_state {head_info {}} {index_info {}}} {
-       global file_states next_icon_id null_sha1
-
-       set s0 [string index $new_state 0]
-       set s1 [string index $new_state 1]
-
-       if {[catch {set info $file_states($path)}]} {
-               set state __
-               set icon n[incr next_icon_id]
-       } else {
-               set state [lindex $info 0]
-               set icon [lindex $info 1]
-               if {$head_info eq {}}  {set head_info  [lindex $info 2]}
-               if {$index_info eq {}} {set index_info [lindex $info 3]}
-       }
-
-       if     {$s0 eq {?}} {set s0 [string index $state 0]} \
-       elseif {$s0 eq {_}} {set s0 _}
-
-       if     {$s1 eq {?}} {set s1 [string index $state 1]} \
-       elseif {$s1 eq {_}} {set s1 _}
-
-       if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
-               set head_info [list 0 $null_sha1]
-       } elseif {$s0 ne {_} && [string index $state 0] eq {_}
-               && $head_info eq {}} {
-               set head_info $index_info
-       }
+font create font_uiitalic
+font create font_uibold
+font create font_diffbold
+font create font_diffitalic
 
 
-       set file_states($path) [list $s0$s1 $icon \
-               $head_info $index_info \
-               ]
-       return $state
+foreach class {Button Checkbutton Entry Label
+               Labelframe Listbox Menu Message
+               Radiobutton Spinbox Text} {
+       option add *$class.font font_ui
 }
 }
+unset class
 
 
-proc display_file_helper {w path icon_name old_m new_m} {
-       global file_lists
-
-       if {$new_m eq {_}} {
-               set lno [lsearch -sorted -exact $file_lists($w) $path]
-               if {$lno >= 0} {
-                       set file_lists($w) [lreplace $file_lists($w) $lno $lno]
-                       incr lno
-                       $w conf -state normal
-                       $w delete $lno.0 [expr {$lno + 1}].0
-                       $w conf -state disabled
-               }
-       } elseif {$old_m eq {_} && $new_m ne {_}} {
-               lappend file_lists($w) $path
-               set file_lists($w) [lsort -unique $file_lists($w)]
-               set lno [lsearch -sorted -exact $file_lists($w) $path]
-               incr lno
-               $w conf -state normal
-               $w image create $lno.0 \
-                       -align center -padx 5 -pady 1 \
-                       -name $icon_name \
-                       -image [mapicon $w $new_m $path]
-               $w insert $lno.1 "[escape_path $path]\n"
-               $w conf -state disabled
-       } elseif {$old_m ne $new_m} {
-               $w conf -state normal
-               $w image conf $icon_name -image [mapicon $w $new_m $path]
-               $w conf -state disabled
-       }
+if {[is_Windows] || [is_MacOSX]} {
+       option add *Menu.tearOff 0
 }
 
 }
 
-proc display_file {path state} {
-       global file_states selected_paths
-       global ui_index ui_workdir
-
-       set old_m [merge_state $path $state]
-       set s $file_states($path)
-       set new_m [lindex $s 0]
-       set icon_name [lindex $s 1]
-
-       set o [string index $old_m 0]
-       set n [string index $new_m 0]
-       if {$o eq {U}} {
-               set o _
-       }
-       if {$n eq {U}} {
-               set n _
-       }
-       display_file_helper     $ui_index $path $icon_name $o $n
-
-       if {[string index $old_m 0] eq {U}} {
-               set o U
-       } else {
-               set o [string index $old_m 1]
-       }
-       if {[string index $new_m 0] eq {U}} {
-               set n U
-       } else {
-               set n [string index $new_m 1]
-       }
-       display_file_helper     $ui_workdir $path $icon_name $o $n
-
-       if {$new_m eq {__}} {
-               unset file_states($path)
-               catch {unset selected_paths($path)}
+if {[is_MacOSX]} {
+       set M1B M1
+       set M1T Cmd
+} else {
+       set M1B Control
+       set M1T Ctrl
+}
+
+proc bind_button3 {w cmd} {
+       bind $w <Any-Button-3> $cmd
+       if {[is_MacOSX]} {
+               # Mac OS X sends Button-2 on right click through three-button mouse,
+               # or through trackpad right-clicking (two-finger touch + click).
+               bind $w <Any-Button-2> $cmd
+               bind $w <Control-Button-1> $cmd
        }
 }
 
        }
 }
 
-proc display_all_files_helper {w path icon_name m} {
-       global file_lists
+proc apply_config {} {
+       global repo_config font_descs
 
 
-       lappend file_lists($w) $path
-       set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
-       $w image create end \
-               -align center -padx 5 -pady 1 \
-               -name $icon_name \
-               -image [mapicon $w $m $path]
-       $w insert end "[escape_path $path]\n"
+       foreach option $font_descs {
+               set name [lindex $option 0]
+               set font [lindex $option 1]
+               if {[catch {
+                       set need_weight 1
+                       foreach {cn cv} $repo_config(gui.$name) {
+                               if {$cn eq {-weight}} {
+                                       set need_weight 0
+                               }
+                               font configure $font $cn $cv
+                       }
+                       if {$need_weight} {
+                               font configure $font -weight normal
+                       }
+                       } err]} {
+                       error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
+               }
+               foreach {cn cv} [font configure $font] {
+                       font configure ${font}bold $cn $cv
+                       font configure ${font}italic $cn $cv
+               }
+               font configure ${font}bold -weight bold
+               font configure ${font}italic -slant italic
+       }
 }
 
 }
 
-proc display_all_files {} {
-       global ui_index ui_workdir
-       global file_states file_lists
-       global last_clicked
+set default_config(merge.diffstat) true
+set default_config(merge.summary) false
+set default_config(merge.verbosity) 2
+set default_config(user.name) {}
+set default_config(user.email) {}
 
 
-       $ui_index conf -state normal
-       $ui_workdir conf -state normal
+set default_config(gui.matchtrackingbranch) false
+set default_config(gui.pruneduringfetch) false
+set default_config(gui.trustmtime) false
+set default_config(gui.diffcontext) 5
+set default_config(gui.commitmsgwidth) 75
+set default_config(gui.newbranchtemplate) {}
+set default_config(gui.spellingdictionary) {}
+set default_config(gui.fontui) [font configure font_ui]
+set default_config(gui.fontdiff) [font configure font_diff]
+set font_descs {
+       {fontui   font_ui   {mc "Main Font"}}
+       {fontdiff font_diff {mc "Diff/Console Font"}}
+}
 
 
-       $ui_index delete 0.0 end
-       $ui_workdir delete 0.0 end
-       set last_clicked {}
+######################################################################
+##
+## find git
 
 
-       set file_lists($ui_index) [list]
-       set file_lists($ui_workdir) [list]
+set _git  [_which git]
+if {$_git eq {}} {
+       catch {wm withdraw .}
+       tk_messageBox \
+               -icon error \
+               -type ok \
+               -title [mc "git-gui: fatal error"] \
+               -message [mc "Cannot find git in PATH."]
+       exit 1
+}
 
 
-       foreach path [lsort [array names file_states]] {
-               set s $file_states($path)
-               set m [lindex $s 0]
-               set icon_name [lindex $s 1]
+######################################################################
+##
+## version check
 
 
-               set s [string index $m 0]
-               if {$s ne {U} && $s ne {_}} {
-                       display_all_files_helper $ui_index $path \
-                               $icon_name $s
-               }
+if {[catch {set _git_version [git --version]} err]} {
+       catch {wm withdraw .}
+       tk_messageBox \
+               -icon error \
+               -type ok \
+               -title [mc "git-gui: fatal error"] \
+               -message "Cannot determine Git version:
 
 
-               if {[string index $m 0] eq {U}} {
-                       set s U
-               } else {
-                       set s [string index $m 1]
-               }
-               if {$s ne {_}} {
-                       display_all_files_helper $ui_workdir $path \
-                               $icon_name $s
-               }
-       }
+$err
 
 
-       $ui_index conf -state disabled
-       $ui_workdir conf -state disabled
+[appname] requires Git 1.5.0 or later."
+       exit 1
 }
 }
-
-proc update_indexinfo {msg pathList after} {
-       global update_index_cp ui_status_value
-
-       if {![lock_index update]} return
-
-       set update_index_cp 0
-       set pathList [lsort $pathList]
-       set totalCnt [llength $pathList]
-       set batch [expr {int($totalCnt * .01) + 1}]
-       if {$batch > 25} {set batch 25}
-
-       set ui_status_value [format \
-               "$msg... %i/%i files (%.2f%%)" \
-               $update_index_cp \
-               $totalCnt \
-               0.0]
-       set fd [open "| git update-index -z --index-info" w]
-       fconfigure $fd \
-               -blocking 0 \
-               -buffering full \
-               -buffersize 512 \
-               -encoding binary \
-               -translation binary
-       fileevent $fd writable [list \
-               write_update_indexinfo \
-               $fd \
-               $pathList \
-               $totalCnt \
-               $batch \
-               $msg \
-               $after \
-               ]
+if {![regsub {^git version } $_git_version {} _git_version]} {
+       catch {wm withdraw .}
+       tk_messageBox \
+               -icon error \
+               -type ok \
+               -title [mc "git-gui: fatal error"] \
+               -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
+       exit 1
 }
 
 }
 
-proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
-       global update_index_cp ui_status_value
-       global file_states current_diff_path
+set _real_git_version $_git_version
+regsub -- {[\-\.]dirty$} $_git_version {} _git_version
+regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
+regsub {\.rc[0-9]+$} $_git_version {} _git_version
+regsub {\.GIT$} $_git_version {} _git_version
+regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version
 
 
-       if {$update_index_cp >= $totalCnt} {
-               close $fd
-               unlock_index
-               uplevel #0 $after
-               return
-       }
+if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
+       catch {wm withdraw .}
+       if {[tk_messageBox \
+               -icon warning \
+               -type yesno \
+               -default no \
+               -title "[appname]: warning" \
+                -message [mc "Git version cannot be determined.
 
 
-       for {set i $batch} \
-               {$update_index_cp < $totalCnt && $i > 0} \
-               {incr i -1} {
-               set path [lindex $pathList $update_index_cp]
-               incr update_index_cp
+%s claims it is version '%s'.
 
 
-               set s $file_states($path)
-               switch -glob -- [lindex $s 0] {
-               A? {set new _O}
-               M? {set new _M}
-               D_ {set new _D}
-               D? {set new _?}
-               ?? {continue}
-               }
-               set info [lindex $s 2]
-               if {$info eq {}} continue
+%s requires at least Git 1.5.0 or later.
 
 
-               puts -nonewline $fd "$info\t[encoding convertto $path]\0"
-               display_file $path $new
+Assume '%s' is version 1.5.0?
+" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
+               set _git_version 1.5.0
+       } else {
+               exit 1
        }
        }
-
-       set ui_status_value [format \
-               "$msg... %i/%i files (%.2f%%)" \
-               $update_index_cp \
-               $totalCnt \
-               [expr {100.0 * $update_index_cp / $totalCnt}]]
-}
-
-proc update_index {msg pathList after} {
-       global update_index_cp ui_status_value
-
-       if {![lock_index update]} return
-
-       set update_index_cp 0
-       set pathList [lsort $pathList]
-       set totalCnt [llength $pathList]
-       set batch [expr {int($totalCnt * .01) + 1}]
-       if {$batch > 25} {set batch 25}
-
-       set ui_status_value [format \
-               "$msg... %i/%i files (%.2f%%)" \
-               $update_index_cp \
-               $totalCnt \
-               0.0]
-       set fd [open "| git update-index --add --remove -z --stdin" w]
-       fconfigure $fd \
-               -blocking 0 \
-               -buffering full \
-               -buffersize 512 \
-               -encoding binary \
-               -translation binary
-       fileevent $fd writable [list \
-               write_update_index \
-               $fd \
-               $pathList \
-               $totalCnt \
-               $batch \
-               $msg \
-               $after \
-               ]
 }
 }
+unset _real_git_version
 
 
-proc write_update_index {fd pathList totalCnt batch msg after} {
-       global update_index_cp ui_status_value
-       global file_states current_diff_path
+proc git-version {args} {
+       global _git_version
 
 
-       if {$update_index_cp >= $totalCnt} {
-               close $fd
-               unlock_index
-               uplevel #0 $after
-               return
+       switch [llength $args] {
+       0 {
+               return $_git_version
        }
 
        }
 
-       for {set i $batch} \
-               {$update_index_cp < $totalCnt && $i > 0} \
-               {incr i -1} {
-               set path [lindex $pathList $update_index_cp]
-               incr update_index_cp
-
-               switch -glob -- [lindex $file_states($path) 0] {
-               AD {set new __}
-               ?D {set new D_}
-               _O -
-               AM {set new A_}
-               U? {
-                       if {[file exists $path]} {
-                               set new M_
-                       } else {
-                               set new D_
-                       }
+       2 {
+               set op [lindex $args 0]
+               set vr [lindex $args 1]
+               set cm [package vcompare $_git_version $vr]
+               return [expr $cm $op 0]
+       }
+
+       4 {
+               set type [lindex $args 0]
+               set name [lindex $args 1]
+               set parm [lindex $args 2]
+               set body [lindex $args 3]
+
+               if {($type ne {proc} && $type ne {method})} {
+                       error "Invalid arguments to git-version"
                }
                }
-               ?M {set new M_}
-               ?? {continue}
+               if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
+                       error "Last arm of $type $name must be default"
                }
                }
-               puts -nonewline $fd "[encoding convertto $path]\0"
-               display_file $path $new
-       }
 
 
-       set ui_status_value [format \
-               "$msg... %i/%i files (%.2f%%)" \
-               $update_index_cp \
-               $totalCnt \
-               [expr {100.0 * $update_index_cp / $totalCnt}]]
-}
-
-proc checkout_index {msg pathList after} {
-       global update_index_cp ui_status_value
-
-       if {![lock_index update]} return
-
-       set update_index_cp 0
-       set pathList [lsort $pathList]
-       set totalCnt [llength $pathList]
-       set batch [expr {int($totalCnt * .01) + 1}]
-       if {$batch > 25} {set batch 25}
-
-       set ui_status_value [format \
-               "$msg... %i/%i files (%.2f%%)" \
-               $update_index_cp \
-               $totalCnt \
-               0.0]
-       set cmd [list git checkout-index]
-       lappend cmd --index
-       lappend cmd --quiet
-       lappend cmd --force
-       lappend cmd -z
-       lappend cmd --stdin
-       set fd [open "| $cmd " w]
-       fconfigure $fd \
-               -blocking 0 \
-               -buffering full \
-               -buffersize 512 \
-               -encoding binary \
-               -translation binary
-       fileevent $fd writable [list \
-               write_checkout_index \
-               $fd \
-               $pathList \
-               $totalCnt \
-               $batch \
-               $msg \
-               $after \
-               ]
-}
+               foreach {op vr cb} [lrange $body 0 end-2] {
+                       if {[git-version $op $vr]} {
+                               return [uplevel [list $type $name $parm $cb]]
+                       }
+               }
 
 
-proc write_checkout_index {fd pathList totalCnt batch msg after} {
-       global update_index_cp ui_status_value
-       global file_states current_diff_path
+               return [uplevel [list $type $name $parm [lindex $body end]]]
+       }
 
 
-       if {$update_index_cp >= $totalCnt} {
-               close $fd
-               unlock_index
-               uplevel #0 $after
-               return
+       default {
+               error "git-version >= x"
        }
 
        }
 
-       for {set i $batch} \
-               {$update_index_cp < $totalCnt && $i > 0} \
-               {incr i -1} {
-               set path [lindex $pathList $update_index_cp]
-               incr update_index_cp
-               switch -glob -- [lindex $file_states($path) 0] {
-               U? {continue}
-               ?M -
-               ?D {
-                       puts -nonewline $fd "[encoding convertto $path]\0"
-                       display_file $path ?_
-               }
-               }
        }
        }
+}
+
+if {[git-version < 1.5]} {
+       catch {wm withdraw .}
+       tk_messageBox \
+               -icon error \
+               -type ok \
+               -title [mc "git-gui: fatal error"] \
+               -message "[appname] requires Git 1.5.0 or later.
+
+You are using [git-version]:
 
 
-       set ui_status_value [format \
-               "$msg... %i/%i files (%.2f%%)" \
-               $update_index_cp \
-               $totalCnt \
-               [expr {100.0 * $update_index_cp / $totalCnt}]]
+[git --version]"
+       exit 1
 }
 
 ######################################################################
 ##
 }
 
 ######################################################################
 ##
-## branch management
-
-proc is_tracking_branch {name} {
-       global tracking_branches
+## configure our library
 
 
-       if {![catch {set info $tracking_branches($name)}]} {
-               return 1
-       }
-       foreach t [array names tracking_branches] {
-               if {[string match {*/\*} $t] && [string match $t $name]} {
-                       return 1
+set idx [file join $oguilib tclIndex]
+if {[catch {set fd [open $idx r]} err]} {
+       catch {wm withdraw .}
+       tk_messageBox \
+               -icon error \
+               -type ok \
+               -title [mc "git-gui: fatal error"] \
+               -message $err
+       exit 1
+}
+if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
+       set idx [list]
+       while {[gets $fd n] >= 0} {
+               if {$n ne {} && ![string match #* $n]} {
+                       lappend idx $n
                }
        }
                }
        }
-       return 0
+} else {
+       set idx {}
 }
 }
+close $fd
 
 
-proc load_all_heads {} {
-       global all_heads
-
-       set all_heads [list]
-       set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
-       while {[gets $fd line] > 0} {
-               if {[is_tracking_branch $line]} continue
-               if {![regsub ^refs/heads/ $line {} name]} continue
-               lappend all_heads $name
+if {$idx ne {}} {
+       set loaded [list]
+       foreach p $idx {
+               if {[lsearch -exact $loaded $p] >= 0} continue
+               source [file join $oguilib $p]
+               lappend loaded $p
        }
        }
-       close $fd
-
-       set all_heads [lsort $all_heads]
+       unset loaded p
+} else {
+       set auto_path [concat [list $oguilib] $auto_path]
 }
 }
+unset -nocomplain idx fd
 
 
-proc populate_branch_menu {} {
-       global all_heads disable_on_lock
+######################################################################
+##
+## config file parsing
 
 
-       set m .mbar.branch
-       set last [$m index last]
-       for {set i 0} {$i <= $last} {incr i} {
-               if {[$m type $i] eq {separator}} {
-                       $m delete $i last
-                       set new_dol [list]
-                       foreach a $disable_on_lock {
-                               if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
-                                       lappend new_dol $a
+git-version proc _parse_config {arr_name args} {
+       >= 1.5.3 {
+               upvar $arr_name arr
+               array unset arr
+               set buf {}
+               catch {
+                       set fd_rc [eval \
+                               [list git_read config] \
+                               $args \
+                               [list --null --list]]
+                       fconfigure $fd_rc -translation binary
+                       set buf [read $fd_rc]
+                       close $fd_rc
+               }
+               foreach line [split $buf "\0"] {
+                       if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
+                               if {[is_many_config $name]} {
+                                       lappend arr($name) $value
+                               } else {
+                                       set arr($name) $value
                                }
                        }
                                }
                        }
-                       set disable_on_lock $new_dol
-                       break
                }
        }
                }
        }
-
-       if {$all_heads ne {}} {
-               $m add separator
-       }
-       foreach b $all_heads {
-               $m add radiobutton \
-                       -label $b \
-                       -command [list switch_branch $b] \
-                       -variable current_branch \
-                       -value $b \
-                       -font font_ui
-               lappend disable_on_lock \
-                       [list $m entryconf [$m index last] -state]
+       default {
+               upvar $arr_name arr
+               array unset arr
+               catch {
+                       set fd_rc [eval [list git_read config --list] $args]
+                       while {[gets $fd_rc line] >= 0} {
+                               if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
+                                       if {[is_many_config $name]} {
+                                               lappend arr($name) $value
+                                       } else {
+                                               set arr($name) $value
+                                       }
+                               }
+                       }
+                       close $fd_rc
+               }
        }
 }
 
        }
 }
 
-proc all_tracking_branches {} {
-       global tracking_branches
+proc load_config {include_global} {
+       global repo_config global_config default_config
 
 
-       set all_trackings {}
-       set cmd {}
-       foreach name [array names tracking_branches] {
-               if {[regsub {/\*$} $name {} name]} {
-                       lappend cmd $name
-               } else {
-                       regsub ^refs/(heads|remotes)/ $name {} name
-                       lappend all_trackings $name
-               }
+       if {$include_global} {
+               _parse_config global_config --global
        }
        }
+       _parse_config repo_config
 
 
-       if {$cmd ne {}} {
-               set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
-               while {[gets $fd name] > 0} {
-                       regsub ^refs/(heads|remotes)/ $name {} name
-                       lappend all_trackings $name
+       foreach name [array names default_config] {
+               if {[catch {set v $global_config($name)}]} {
+                       set global_config($name) $default_config($name)
+               }
+               if {[catch {set v $repo_config($name)}]} {
+                       set repo_config($name) $default_config($name)
                }
                }
-               close $fd
        }
        }
+}
+
+######################################################################
+##
+## feature option selection
 
 
-       return [lsort -unique $all_trackings]
+if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
+       unset _junk
+} else {
+       set subcommand gui
+}
+if {$subcommand eq {gui.sh}} {
+       set subcommand gui
+}
+if {$subcommand eq {gui} && [llength $argv] > 0} {
+       set subcommand [lindex $argv 0]
+       set argv [lrange $argv 1 end]
 }
 
 }
 
-proc load_all_tags {} {
-       set all_tags [list]
-       set fd [open "| git for-each-ref --format=%(refname) refs/tags" r]
-       while {[gets $fd line] > 0} {
-               if {![regsub ^refs/tags/ $line {} name]} continue
-               lappend all_tags $name
-       }
-       close $fd
+enable_option multicommit
+enable_option branch
+enable_option transport
+disable_option bare
 
 
-       return [lsort $all_tags]
-}
-
-proc do_create_branch_action {w} {
-       global all_heads null_sha1 repo_config
-       global create_branch_checkout create_branch_revtype
-       global create_branch_head create_branch_trackinghead
-       global create_branch_name create_branch_revexp
-       global create_branch_tag
-
-       set newbranch $create_branch_name
-       if {$newbranch eq {}
-               || $newbranch eq $repo_config(gui.newbranchtemplate)} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Please supply a branch name."
-               focus $w.desc.name_t
-               return
-       }
-       if {![catch {git show-ref --verify -- "refs/heads/$newbranch"}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Branch '$newbranch' already exists."
-               focus $w.desc.name_t
-               return
-       }
-       if {[catch {git check-ref-format "heads/$newbranch"}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "We do not like '$newbranch' as a branch name."
-               focus $w.desc.name_t
-               return
-       }
+switch -- $subcommand {
+browser -
+blame {
+       enable_option bare
 
 
-       set rev {}
-       switch -- $create_branch_revtype {
-       head {set rev $create_branch_head}
-       tracking {set rev $create_branch_trackinghead}
-       tag {set rev $create_branch_tag}
-       expression {set rev $create_branch_revexp}
-       }
-       if {[catch {set cmt [git rev-parse --verify "${rev}^0"]}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Invalid starting revision: $rev"
-               return
-       }
-       set cmd [list git update-ref]
-       lappend cmd -m
-       lappend cmd "branch: Created from $rev"
-       lappend cmd "refs/heads/$newbranch"
-       lappend cmd $cmt
-       lappend cmd $null_sha1
-       if {[catch {eval exec $cmd} err]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Failed to create '$newbranch'.\n\n$err"
-               return
-       }
+       disable_option multicommit
+       disable_option branch
+       disable_option transport
+}
+citool {
+       enable_option singlecommit
 
 
-       lappend all_heads $newbranch
-       set all_heads [lsort $all_heads]
-       populate_branch_menu
-       destroy $w
-       if {$create_branch_checkout} {
-               switch_branch $newbranch
-       }
+       disable_option multicommit
+       disable_option branch
+       disable_option transport
+}
 }
 
 }
 
-proc radio_selector {varname value args} {
-       upvar #0 $varname var
-       set var $value
-}
-
-trace add variable create_branch_head write \
-       [list radio_selector create_branch_revtype head]
-trace add variable create_branch_trackinghead write \
-       [list radio_selector create_branch_revtype tracking]
-trace add variable create_branch_tag write \
-       [list radio_selector create_branch_revtype tag]
-
-trace add variable delete_branch_head write \
-       [list radio_selector delete_branch_checktype head]
-trace add variable delete_branch_trackinghead write \
-       [list radio_selector delete_branch_checktype tracking]
-
-proc do_create_branch {} {
-       global all_heads current_branch repo_config
-       global create_branch_checkout create_branch_revtype
-       global create_branch_head create_branch_trackinghead
-       global create_branch_name create_branch_revexp
-       global create_branch_tag
-
-       set w .branch_editor
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text {Create New Branch} \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.create -text Create \
-               -font font_ui \
-               -default active \
-               -command [list do_create_branch_action $w]
-       pack $w.buttons.create -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -font font_ui \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.desc \
-               -text {Branch Description} \
-               -font font_ui
-       label $w.desc.name_l -text {Name:} -font font_ui
-       entry $w.desc.name_t \
-               -borderwidth 1 \
-               -relief sunken \
-               -width 40 \
-               -textvariable create_branch_name \
-               -font font_ui \
-               -validate key \
-               -validatecommand {
-                       if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
-                       return 1
-               }
-       grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
-       grid columnconfigure $w.desc 1 -weight 1
-       pack $w.desc -anchor nw -fill x -pady 5 -padx 5
-
-       labelframe $w.from \
-               -text {Starting Revision} \
-               -font font_ui
-       radiobutton $w.from.head_r \
-               -text {Local Branch:} \
-               -value head \
-               -variable create_branch_revtype \
-               -font font_ui
-       eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
-       grid $w.from.head_r $w.from.head_m -sticky w
-       set all_trackings [all_tracking_branches]
-       if {$all_trackings ne {}} {
-               set create_branch_trackinghead [lindex $all_trackings 0]
-               radiobutton $w.from.tracking_r \
-                       -text {Tracking Branch:} \
-                       -value tracking \
-                       -variable create_branch_revtype \
-                       -font font_ui
-               eval tk_optionMenu $w.from.tracking_m \
-                       create_branch_trackinghead \
-                       $all_trackings
-               grid $w.from.tracking_r $w.from.tracking_m -sticky w
-       }
-       set all_tags [load_all_tags]
-       if {$all_tags ne {}} {
-               set create_branch_tag [lindex $all_tags 0]
-               radiobutton $w.from.tag_r \
-                       -text {Tag:} \
-                       -value tag \
-                       -variable create_branch_revtype \
-                       -font font_ui
-               eval tk_optionMenu $w.from.tag_m \
-                       create_branch_tag \
-                       $all_tags
-               grid $w.from.tag_r $w.from.tag_m -sticky w
-       }
-       radiobutton $w.from.exp_r \
-               -text {Revision Expression:} \
-               -value expression \
-               -variable create_branch_revtype \
-               -font font_ui
-       entry $w.from.exp_t \
-               -borderwidth 1 \
-               -relief sunken \
-               -width 50 \
-               -textvariable create_branch_revexp \
-               -font font_ui \
-               -validate key \
-               -validatecommand {
-                       if {%d == 1 && [regexp {\s} %S]} {return 0}
-                       if {%d == 1 && [string length %S] > 0} {
-                               set create_branch_revtype expression
-                       }
-                       return 1
-               }
-       grid $w.from.exp_r $w.from.exp_t -sticky we -padx {0 5}
-       grid columnconfigure $w.from 1 -weight 1
-       pack $w.from -anchor nw -fill x -pady 5 -padx 5
-
-       labelframe $w.postActions \
-               -text {Post Creation Actions} \
-               -font font_ui
-       checkbutton $w.postActions.checkout \
-               -text {Checkout after creation} \
-               -variable create_branch_checkout \
-               -font font_ui
-       pack $w.postActions.checkout -anchor nw
-       pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
-
-       set create_branch_checkout 1
-       set create_branch_head $current_branch
-       set create_branch_revtype head
-       set create_branch_name $repo_config(gui.newbranchtemplate)
-       set create_branch_revexp {}
-
-       bind $w <Visibility> "
-               grab $w
-               $w.desc.name_t icursor end
-               focus $w.desc.name_t
-       "
-       bind $w <Key-Escape> "destroy $w"
-       bind $w <Key-Return> "do_create_branch_action $w;break"
-       wm title $w "[appname] ([reponame]): Create Branch"
-       tkwait window $w
-}
-
-proc do_delete_branch_action {w} {
-       global all_heads
-       global delete_branch_checktype delete_branch_head delete_branch_trackinghead
-
-       set check_rev {}
-       switch -- $delete_branch_checktype {
-       head {set check_rev $delete_branch_head}
-       tracking {set check_rev $delete_branch_trackinghead}
-       always {set check_rev {:none}}
-       }
-       if {$check_rev eq {:none}} {
-               set check_cmt {}
-       } elseif {[catch {set check_cmt [git rev-parse --verify "${check_rev}^0"]}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Invalid check revision: $check_rev"
-               return
-       }
+######################################################################
+##
+## repository setup
 
 
-       set to_delete [list]
-       set not_merged [list]
-       foreach i [$w.list.l curselection] {
-               set b [$w.list.l get $i]
-               if {[catch {set o [git rev-parse --verify $b]}]} continue
-               if {$check_cmt ne {}} {
-                       if {$b eq $check_rev} continue
-                       if {[catch {set m [git merge-base $o $check_cmt]}]} continue
-                       if {$o ne $m} {
-                               lappend not_merged $b
-                               continue
-                       }
-               }
-               lappend to_delete [list $b $o]
-       }
-       if {$not_merged ne {}} {
-               set msg "The following branches are not completely merged into $check_rev:
-
- - [join $not_merged "\n - "]"
-               tk_messageBox \
-                       -icon info \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message $msg
-       }
-       if {$to_delete eq {}} return
-       if {$delete_branch_checktype eq {always}} {
-               set msg {Recovering deleted branches is difficult.
-
-Delete the selected branches?}
-               if {[tk_messageBox \
-                       -icon warning \
-                       -type yesno \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message $msg] ne yes} {
-                       return
-               }
+if {[catch {
+               set _gitdir $env(GIT_DIR)
+               set _prefix {}
+               }]
+       && [catch {
+               set _gitdir [git rev-parse --git-dir]
+               set _prefix [git rev-parse --show-prefix]
+       } err]} {
+       load_config 1
+       apply_config
+       choose_repository::pick
+}
+if {![file isdirectory $_gitdir] && [is_Cygwin]} {
+       catch {set _gitdir [exec cygpath --windows $_gitdir]}
+}
+if {![file isdirectory $_gitdir]} {
+       catch {wm withdraw .}
+       error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
+       exit 1
+}
+if {$_prefix ne {}} {
+       regsub -all {[^/]+/} $_prefix ../ cdup
+       if {[catch {cd $cdup} err]} {
+               catch {wm withdraw .}
+               error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
+               exit 1
        }
        }
-
-       set failed {}
-       foreach i $to_delete {
-               set b [lindex $i 0]
-               set o [lindex $i 1]
-               if {[catch {git update-ref -d "refs/heads/$b" $o} err]} {
-                       append failed " - $b: $err\n"
-               } else {
-                       set x [lsearch -sorted -exact $all_heads $b]
-                       if {$x >= 0} {
-                               set all_heads [lreplace $all_heads $x $x]
-                       }
-               }
+       unset cdup
+} elseif {![is_enabled bare]} {
+       if {[lindex [file split $_gitdir] end] ne {.git}} {
+               catch {wm withdraw .}
+               error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
+               exit 1
        }
        }
-
-       if {$failed ne {}} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Failed to delete branches:\n$failed"
+       if {[catch {cd [file dirname $_gitdir]} err]} {
+               catch {wm withdraw .}
+               error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
+               exit 1
        }
        }
+}
+set _reponame [file split [file normalize $_gitdir]]
+if {[lindex $_reponame end] eq {.git}} {
+       set _reponame [lindex $_reponame end-1]
+} else {
+       set _reponame [lindex $_reponame end]
+}
 
 
-       set all_heads [lsort $all_heads]
-       populate_branch_menu
-       destroy $w
-}
-
-proc do_delete_branch {} {
-       global all_heads tracking_branches current_branch
-       global delete_branch_checktype delete_branch_head delete_branch_trackinghead
-
-       set w .branch_editor
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text {Delete Local Branch} \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.create -text Delete \
-               -font font_ui \
-               -command [list do_delete_branch_action $w]
-       pack $w.buttons.create -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -font font_ui \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.list \
-               -text {Local Branches} \
-               -font font_ui
-       listbox $w.list.l \
-               -height 10 \
-               -width 70 \
-               -selectmode extended \
-               -yscrollcommand [list $w.list.sby set] \
-               -font font_ui
-       foreach h $all_heads {
-               if {$h ne $current_branch} {
-                       $w.list.l insert end $h
-               }
-       }
-       scrollbar $w.list.sby -command [list $w.list.l yview]
-       pack $w.list.sby -side right -fill y
-       pack $w.list.l -side left -fill both -expand 1
-       pack $w.list -fill both -expand 1 -pady 5 -padx 5
-
-       labelframe $w.validate \
-               -text {Delete Only If} \
-               -font font_ui
-       radiobutton $w.validate.head_r \
-               -text {Merged Into Local Branch:} \
-               -value head \
-               -variable delete_branch_checktype \
-               -font font_ui
-       eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
-       grid $w.validate.head_r $w.validate.head_m -sticky w
-       set all_trackings [all_tracking_branches]
-       if {$all_trackings ne {}} {
-               set delete_branch_trackinghead [lindex $all_trackings 0]
-               radiobutton $w.validate.tracking_r \
-                       -text {Merged Into Tracking Branch:} \
-                       -value tracking \
-                       -variable delete_branch_checktype \
-                       -font font_ui
-               eval tk_optionMenu $w.validate.tracking_m \
-                       delete_branch_trackinghead \
-                       $all_trackings
-               grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
-       }
-       radiobutton $w.validate.always_r \
-               -text {Always (Do not perform merge checks)} \
-               -value always \
-               -variable delete_branch_checktype \
-               -font font_ui
-       grid $w.validate.always_r -columnspan 2 -sticky w
-       grid columnconfigure $w.validate 1 -weight 1
-       pack $w.validate -anchor nw -fill x -pady 5 -padx 5
+######################################################################
+##
+## global init
 
 
-       set delete_branch_head $current_branch
-       set delete_branch_checktype head
+set current_diff_path {}
+set current_diff_side {}
+set diff_actions [list]
 
 
-       bind $w <Visibility> "grab $w; focus $w"
-       bind $w <Key-Escape> "destroy $w"
-       wm title $w "[appname] ([reponame]): Delete Branch"
-       tkwait window $w
-}
+set HEAD {}
+set PARENT {}
+set MERGE_HEAD [list]
+set commit_type {}
+set empty_tree {}
+set current_branch {}
+set is_detached 0
+set current_diff_path {}
+set is_3way_diff 0
+set selected_commit_type new
 
 
-proc switch_branch {new_branch} {
-       global HEAD commit_type current_branch repo_config
+######################################################################
+##
+## task management
 
 
-       if {![lock_index switch]} return
+set rescan_active 0
+set diff_active 0
+set last_clicked {}
 
 
-       # -- Our in memory state should match the repository.
-       #
-       repository_state curType curHEAD curMERGE_HEAD
-       if {[string match amend* $commit_type]
-               && $curType eq {normal}
-               && $curHEAD eq $HEAD} {
-       } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
-               info_popup {Last scanned state does not match repository state.
+set disable_on_lock [list]
+set index_lock_type none
 
 
-Another Git program has modified this repository
-since the last scan.  A rescan must be performed
-before the current branch can be changed.
+proc lock_index {type} {
+       global index_lock_type disable_on_lock
 
 
-The rescan will be automatically started now.
-}
-               unlock_index
-               rescan {set ui_status_value {Ready.}}
-               return
+       if {$index_lock_type eq {none}} {
+               set index_lock_type $type
+               foreach w $disable_on_lock {
+                       uplevel #0 $w disabled
+               }
+               return 1
+       } elseif {$index_lock_type eq "begin-$type"} {
+               set index_lock_type $type
+               return 1
        }
        }
+       return 0
+}
 
 
-       # -- Don't do a pointless switch.
-       #
-       if {$current_branch eq $new_branch} {
-               unlock_index
-               return
-       }
+proc unlock_index {} {
+       global index_lock_type disable_on_lock
 
 
-       if {$repo_config(gui.trustmtime) eq {true}} {
-               switch_branch_stage2 {} $new_branch
-       } else {
-               set ui_status_value {Refreshing file status...}
-               set cmd [list git update-index]
-               lappend cmd -q
-               lappend cmd --unmerged
-               lappend cmd --ignore-missing
-               lappend cmd --refresh
-               set fd_rf [open "| $cmd" r]
-               fconfigure $fd_rf -blocking 0 -translation binary
-               fileevent $fd_rf readable \
-                       [list switch_branch_stage2 $fd_rf $new_branch]
+       set index_lock_type none
+       foreach w $disable_on_lock {
+               uplevel #0 $w normal
        }
 }
 
        }
 }
 
-proc switch_branch_stage2 {fd_rf new_branch} {
-       global ui_status_value HEAD
-
-       if {$fd_rf ne {}} {
-               read $fd_rf
-               if {![eof $fd_rf]} return
-               close $fd_rf
-       }
+######################################################################
+##
+## status
 
 
-       set ui_status_value "Updating working directory to '$new_branch'..."
-       set cmd [list git read-tree]
-       lappend cmd -m
-       lappend cmd -u
-       lappend cmd --exclude-per-directory=.gitignore
-       lappend cmd $HEAD
-       lappend cmd $new_branch
-       set fd_rt [open "| $cmd" r]
-       fconfigure $fd_rt -blocking 0 -translation binary
-       fileevent $fd_rt readable \
-               [list switch_branch_readtree_wait $fd_rt $new_branch]
-}
-
-proc switch_branch_readtree_wait {fd_rt new_branch} {
-       global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
+proc repository_state {ctvar hdvar mhvar} {
        global current_branch
        global current_branch
-       global ui_comm ui_status_value
+       upvar $ctvar ct $hdvar hd $mhvar mh
 
 
-       # -- We never get interesting output on stdout; only stderr.
-       #
-       read $fd_rt
-       fconfigure $fd_rt -blocking 1
-       if {![eof $fd_rt]} {
-               fconfigure $fd_rt -blocking 0
+       set mh [list]
+
+       load_current_branch
+       if {[catch {set hd [git rev-parse --verify HEAD]}]} {
+               set hd {}
+               set ct initial
                return
        }
 
                return
        }
 
-       # -- The working directory wasn't in sync with the index and
-       #    we'd have to overwrite something to make the switch. A
-       #    merge is required.
-       #
-       if {[catch {close $fd_rt} err]} {
-               regsub {^fatal: } $err {} err
-               warn_popup "File level merge required.
-
-$err
-
-Staying on branch '$current_branch'."
-               set ui_status_value "Aborted checkout of '$new_branch' (file level merging is required)."
-               unlock_index
+       set merge_head [gitdir MERGE_HEAD]
+       if {[file exists $merge_head]} {
+               set ct merge
+               set fd_mh [open $merge_head r]
+               while {[gets $fd_mh line] >= 0} {
+                       lappend mh $line
+               }
+               close $fd_mh
                return
        }
 
                return
        }
 
-       # -- Update the symbolic ref.  Core git doesn't even check for failure
-       #    here, it Just Works(tm).  If it doesn't we are in some really ugly
-       #    state that is difficult to recover from within git-gui.
-       #
-       if {[catch {git symbolic-ref HEAD "refs/heads/$new_branch"} err]} {
-               error_popup "Failed to set current branch.
-
-This working directory is only partially switched.
-We successfully updated your files, but failed to
-update an internal Git file.
+       set ct normal
+}
 
 
-This should not have occurred.  [appname] will now
-close and give up.
+proc PARENT {} {
+       global PARENT empty_tree
 
 
-$err"
-               do_quit
-               return
+       set p [lindex $PARENT 0]
+       if {$p ne {}} {
+               return $p
        }
        }
-
-       # -- Update our repository state.  If we were previously in amend mode
-       #    we need to toss the current buffer and do a full rescan to update
-       #    our file lists.  If we weren't in amend mode our file lists are
-       #    accurate and we can avoid the rescan.
-       #
-       unlock_index
-       set selected_commit_type new
-       if {[string match amend* $commit_type]} {
-               $ui_comm delete 0.0 end
-               $ui_comm edit reset
-               $ui_comm edit modified false
-               rescan {set ui_status_value "Checked out branch '$current_branch'."}
-       } else {
-               repository_state commit_type HEAD MERGE_HEAD
-               set PARENT $HEAD
-               set ui_status_value "Checked out branch '$current_branch'."
+       if {$empty_tree eq {}} {
+               set empty_tree [git mktree << {}]
        }
        }
+       return $empty_tree
 }
 
 }
 
-######################################################################
-##
-## remote management
-
-proc load_all_remotes {} {
+proc rescan {after {honor_trustmtime 1}} {
+       global HEAD PARENT MERGE_HEAD commit_type
+       global ui_index ui_workdir ui_comm
+       global rescan_active file_states
        global repo_config
        global repo_config
-       global all_remotes tracking_branches
-
-       set all_remotes [list]
-       array unset tracking_branches
-
-       set rm_dir [gitdir remotes]
-       if {[file isdirectory $rm_dir]} {
-               set all_remotes [glob \
-                       -types f \
-                       -tails \
-                       -nocomplain \
-                       -directory $rm_dir *]
-
-               foreach name $all_remotes {
-                       catch {
-                               set fd [open [file join $rm_dir $name] r]
-                               while {[gets $fd line] >= 0} {
-                                       if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
-                                               $line line src dst]} continue
-                                       if {![regexp ^refs/ $dst]} {
-                                               set dst "refs/heads/$dst"
-                                       }
-                                       set tracking_branches($dst) [list $name $src]
-                               }
-                               close $fd
-                       }
-               }
-       }
 
 
-       foreach line [array names repo_config remote.*.url] {
-               if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
-               lappend all_remotes $name
+       if {$rescan_active > 0 || ![lock_index read]} return
 
 
-               if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
-                       set fl {}
-               }
-               foreach line $fl {
-                       if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
-                       if {![regexp ^refs/ $dst]} {
-                               set dst "refs/heads/$dst"
-                       }
-                       set tracking_branches($dst) [list $name $src]
-               }
+       repository_state newType newHEAD newMERGE_HEAD
+       if {[string match amend* $commit_type]
+               && $newType eq {normal}
+               && $newHEAD eq $HEAD} {
+       } else {
+               set HEAD $newHEAD
+               set PARENT $newHEAD
+               set MERGE_HEAD $newMERGE_HEAD
+               set commit_type $newType
        }
 
        }
 
-       set all_remotes [lsort -unique $all_remotes]
-}
-
-proc populate_fetch_menu {} {
-       global all_remotes repo_config
+       array unset file_states
 
 
-       set m .mbar.fetch
-       foreach r $all_remotes {
-               set enable 0
-               if {![catch {set a $repo_config(remote.$r.url)}]} {
-                       if {![catch {set a $repo_config(remote.$r.fetch)}]} {
-                               set enable 1
-                       }
-               } else {
-                       catch {
-                               set fd [open [gitdir remotes $r] r]
-                               while {[gets $fd n] >= 0} {
-                                       if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
-                                               set enable 1
-                                               break
-                                       }
-                               }
-                               close $fd
-                       }
+       if {!$::GITGUI_BCK_exists &&
+               (![$ui_comm edit modified]
+               || [string trim [$ui_comm get 0.0 end]] eq {})} {
+               if {[string match amend* $commit_type]} {
+               } elseif {[load_message GITGUI_MSG]} {
+               } elseif {[load_message MERGE_MSG]} {
+               } elseif {[load_message SQUASH_MSG]} {
                }
                }
+               $ui_comm edit reset
+               $ui_comm edit modified false
+       }
 
 
-               if {$enable} {
-                       $m add command \
-                               -label "Fetch from $r..." \
-                               -command [list fetch_from $r] \
-                               -font font_ui
-               }
+       if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
+               rescan_stage2 {} $after
+       } else {
+               set rescan_active 1
+               ui_status [mc "Refreshing file status..."]
+               set fd_rf [git_read update-index \
+                       -q \
+                       --unmerged \
+                       --ignore-missing \
+                       --refresh \
+                       ]
+               fconfigure $fd_rf -blocking 0 -translation binary
+               fileevent $fd_rf readable \
+                       [list rescan_stage2 $fd_rf $after]
        }
 }
 
        }
 }
 
-proc populate_push_menu {} {
-       global all_remotes repo_config
+if {[is_Cygwin]} {
+       set is_git_info_link {}
+       set is_git_info_exclude {}
+       proc have_info_exclude {} {
+               global is_git_info_link is_git_info_exclude
 
 
-       set m .mbar.push
-       set fast_count 0
-       foreach r $all_remotes {
-               set enable 0
-               if {![catch {set a $repo_config(remote.$r.url)}]} {
-                       if {![catch {set a $repo_config(remote.$r.push)}]} {
-                               set enable 1
-                       }
-               } else {
-                       catch {
-                               set fd [open [gitdir remotes $r] r]
-                               while {[gets $fd n] >= 0} {
-                                       if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
-                                               set enable 1
-                                               break
-                                       }
-                               }
-                               close $fd
-                       }
+               if {$is_git_info_link eq {}} {
+                       set is_git_info_link [file isfile [gitdir info.lnk]]
                }
 
                }
 
-               if {$enable} {
-                       if {!$fast_count} {
-                               $m add separator
+               if {$is_git_info_link} {
+                       if {$is_git_info_exclude eq {}} {
+                               if {[catch {exec test -f [gitdir info exclude]}]} {
+                                       set is_git_info_exclude 0
+                               } else {
+                                       set is_git_info_exclude 1
+                               }
                        }
                        }
-                       $m add command \
-                               -label "Push to $r..." \
-                               -command [list push_to $r] \
-                               -font font_ui
-                       incr fast_count
+                       return $is_git_info_exclude
+               } else {
+                       return [file readable [gitdir info exclude]]
                }
        }
                }
        }
+} else {
+       proc have_info_exclude {} {
+               return [file readable [gitdir info exclude]]
+       }
 }
 
 }
 
-proc start_push_anywhere_action {w} {
-       global push_urltype push_remote push_url push_thin push_tags
-
-       set r_url {}
-       switch -- $push_urltype {
-       remote {set r_url $push_remote}
-       url {set r_url $push_url}
-       }
-       if {$r_url eq {}} return
+proc rescan_stage2 {fd after} {
+       global rescan_active buf_rdi buf_rdf buf_rlo
 
 
-       set cmd [list git push]
-       lappend cmd -v
-       if {$push_thin} {
-               lappend cmd --thin
-       }
-       if {$push_tags} {
-               lappend cmd --tags
-       }
-       lappend cmd $r_url
-       set cnt 0
-       foreach i [$w.source.l curselection] {
-               set b [$w.source.l get $i]
-               lappend cmd "refs/heads/$b:refs/heads/$b"
-               incr cnt
-       }
-       if {$cnt == 0} {
-               return
-       } elseif {$cnt == 1} {
-               set unit branch
-       } else {
-               set unit branches
+       if {$fd ne {}} {
+               read $fd
+               if {![eof $fd]} return
+               close $fd
        }
 
        }
 
-       set cons [new_console "push $r_url" "Pushing $cnt $unit to $r_url"]
-       console_exec $cons $cmd console_done
-       destroy $w
-}
-
-trace add variable push_remote write \
-       [list radio_selector push_urltype remote]
-
-proc do_push_anywhere {} {
-       global all_heads all_remotes current_branch
-       global push_urltype push_remote push_url push_thin push_tags
-
-       set w .push_setup
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text {Push Branches} -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.create -text Push \
-               -font font_ui \
-               -command [list start_push_anywhere_action $w]
-       pack $w.buttons.create -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -font font_ui \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.source \
-               -text {Source Branches} \
-               -font font_ui
-       listbox $w.source.l \
-               -height 10 \
-               -width 70 \
-               -selectmode extended \
-               -yscrollcommand [list $w.source.sby set] \
-               -font font_ui
-       foreach h $all_heads {
-               $w.source.l insert end $h
-               if {$h eq $current_branch} {
-                       $w.source.l select set end
-               }
+       set ls_others [list --exclude-per-directory=.gitignore]
+       if {[have_info_exclude]} {
+               lappend ls_others "--exclude-from=[gitdir info exclude]"
        }
        }
-       scrollbar $w.source.sby -command [list $w.source.l yview]
-       pack $w.source.sby -side right -fill y
-       pack $w.source.l -side left -fill both -expand 1
-       pack $w.source -fill both -expand 1 -pady 5 -padx 5
-
-       labelframe $w.dest \
-               -text {Destination Repository} \
-               -font font_ui
-       if {$all_remotes ne {}} {
-               radiobutton $w.dest.remote_r \
-                       -text {Remote:} \
-                       -value remote \
-                       -variable push_urltype \
-                       -font font_ui
-               eval tk_optionMenu $w.dest.remote_m push_remote $all_remotes
-               grid $w.dest.remote_r $w.dest.remote_m -sticky w
-               if {[lsearch -sorted -exact $all_remotes origin] != -1} {
-                       set push_remote origin
-               } else {
-                       set push_remote [lindex $all_remotes 0]
-               }
-               set push_urltype remote
-       } else {
-               set push_urltype url
-       }
-       radiobutton $w.dest.url_r \
-               -text {Arbitrary URL:} \
-               -value url \
-               -variable push_urltype \
-               -font font_ui
-       entry $w.dest.url_t \
-               -borderwidth 1 \
-               -relief sunken \
-               -width 50 \
-               -textvariable push_url \
-               -font font_ui \
-               -validate key \
-               -validatecommand {
-                       if {%d == 1 && [regexp {\s} %S]} {return 0}
-                       if {%d == 1 && [string length %S] > 0} {
-                               set push_urltype url
-                       }
-                       return 1
-               }
-       grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
-       grid columnconfigure $w.dest 1 -weight 1
-       pack $w.dest -anchor nw -fill x -pady 5 -padx 5
-
-       labelframe $w.options \
-               -text {Transfer Options} \
-               -font font_ui
-       checkbutton $w.options.thin \
-               -text {Use thin pack (for slow network connections)} \
-               -variable push_thin \
-               -font font_ui
-       grid $w.options.thin -columnspan 2 -sticky w
-       checkbutton $w.options.tags \
-               -text {Include tags} \
-               -variable push_tags \
-               -font font_ui
-       grid $w.options.tags -columnspan 2 -sticky w
-       grid columnconfigure $w.options 1 -weight 1
-       pack $w.options -anchor nw -fill x -pady 5 -padx 5
-
-       set push_url {}
-       set push_thin 0
-       set push_tags 0
-
-       bind $w <Visibility> "grab $w"
-       bind $w <Key-Escape> "destroy $w"
-       wm title $w "[appname] ([reponame]): Push"
-       tkwait window $w
-}
-
-######################################################################
-##
-## merge
-
-proc can_merge {} {
-       global HEAD commit_type file_states
-
-       if {[string match amend* $commit_type]} {
-               info_popup {Cannot merge while amending.
-
-You must finish amending this commit before
-starting any type of merge.
-}
-               return 0
+       set user_exclude [get_config core.excludesfile]
+       if {$user_exclude ne {} && [file readable $user_exclude]} {
+               lappend ls_others "--exclude-from=$user_exclude"
        }
 
        }
 
-       if {[committer_ident] eq {}} {return 0}
-       if {![lock_index merge]} {return 0}
-
-       # -- Our in memory state should match the repository.
-       #
-       repository_state curType curHEAD curMERGE_HEAD
-       if {$commit_type ne $curType || $HEAD ne $curHEAD} {
-               info_popup {Last scanned state does not match repository state.
+       set buf_rdi {}
+       set buf_rdf {}
+       set buf_rlo {}
 
 
-Another Git program has modified this repository
-since the last scan.  A rescan must be performed
-before a merge can be performed.
+       set rescan_active 3
+       ui_status [mc "Scanning for modified files ..."]
+       set fd_di [git_read diff-index --cached -z [PARENT]]
+       set fd_df [git_read diff-files -z]
+       set fd_lo [eval git_read ls-files --others -z $ls_others]
 
 
-The rescan will be automatically started now.
+       fconfigure $fd_di -blocking 0 -translation binary -encoding binary
+       fconfigure $fd_df -blocking 0 -translation binary -encoding binary
+       fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
+       fileevent $fd_di readable [list read_diff_index $fd_di $after]
+       fileevent $fd_df readable [list read_diff_files $fd_df $after]
+       fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 }
 }
-               unlock_index
-               rescan {set ui_status_value {Ready.}}
-               return 0
-       }
-
-       foreach path [array names file_states] {
-               switch -glob -- [lindex $file_states($path) 0] {
-               _O {
-                       continue; # and pray it works!
-               }
-               U? {
-                       error_popup "You are in the middle of a conflicted merge.
-
-File [short_path $path] has merge conflicts.
 
 
-You must resolve them, add the file, and commit to
-complete the current merge.  Only then can you
-begin another merge.
-"
-                       unlock_index
-                       return 0
-               }
-               ?? {
-                       error_popup "You are in the middle of a change.
-
-File [short_path $path] is modified.
+proc load_message {file} {
+       global ui_comm
 
 
-You should complete the current commit before
-starting a merge.  Doing so will help you abort
-a failed merge, should the need arise.
-"
-                       unlock_index
+       set f [gitdir $file]
+       if {[file isfile $f]} {
+               if {[catch {set fd [open $f r]}]} {
                        return 0
                }
                        return 0
                }
-               }
-       }
-
-       return 1
-}
-
-proc visualize_local_merge {w} {
-       set revs {}
-       foreach i [$w.source.l curselection] {
-               lappend revs [$w.source.l get $i]
-       }
-       if {$revs eq {}} return
-       lappend revs --not HEAD
-       do_gitk $revs
-}
-
-proc start_local_merge_action {w} {
-       global HEAD ui_status_value current_branch
-
-       set cmd [list git merge]
-       set names {}
-       set revcnt 0
-       foreach i [$w.source.l curselection] {
-               set b [$w.source.l get $i]
-               lappend cmd $b
-               lappend names $b
-               incr revcnt
-       }
-
-       if {$revcnt == 0} {
-               return
-       } elseif {$revcnt == 1} {
-               set unit branch
-       } elseif {$revcnt <= 15} {
-               set unit branches
-       } else {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Too many branches selected.
-
-You have requested to merge $revcnt branches
-in an octopus merge.  This exceeds Git's
-internal limit of 15 branches per merge.
-
-Please select fewer branches.  To merge more
-than 15 branches, merge the branches in batches.
-"
-               return
+               fconfigure $fd -eofchar {}
+               set content [string trim [read $fd]]
+               close $fd
+               regsub -all -line {[ \r\t]+$} $content {} content
+               $ui_comm delete 0.0 end
+               $ui_comm insert end $content
+               return 1
        }
        }
-
-       set msg "Merging $current_branch, [join $names {, }]"
-       set ui_status_value "$msg..."
-       set cons [new_console "Merge" $msg]
-       console_exec $cons $cmd [list finish_merge $revcnt]
-       bind $w <Destroy> {}
-       destroy $w
+       return 0
 }
 
 }
 
-proc finish_merge {revcnt w ok} {
-       console_done $w $ok
-       if {$ok} {
-               set msg {Merge completed successfully.}
-       } else {
-               if {$revcnt != 1} {
-                       info_popup "Octopus merge failed.
-
-Your merge of $revcnt branches has failed.
-
-There are file-level conflicts between the
-branches which must be resolved manually.
-
-The working directory will now be reset.
-
-You can attempt this merge again
-by merging only one branch at a time." $w
-
-                       set fd [open "| git read-tree --reset -u HEAD" r]
-                       fconfigure $fd -blocking 0 -translation binary
-                       fileevent $fd readable [list reset_hard_wait $fd]
-                       set ui_status_value {Aborting... please wait...}
-                       return
-               }
-
-               set msg {Merge failed.  Conflict resolution is required.}
-       }
-       unlock_index
-       rescan [list set ui_status_value $msg]
-}
+proc read_diff_index {fd after} {
+       global buf_rdi
 
 
-proc do_local_merge {} {
-       global current_branch
+       append buf_rdi [read $fd]
+       set c 0
+       set n [string length $buf_rdi]
+       while {$c < $n} {
+               set z1 [string first "\0" $buf_rdi $c]
+               if {$z1 == -1} break
+               incr z1
+               set z2 [string first "\0" $buf_rdi $z1]
+               if {$z2 == -1} break
 
 
-       if {![can_merge]} return
-
-       set w .merge_setup
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header \
-               -text "Merge Into $current_branch" \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.visualize -text Visualize \
-               -font font_ui \
-               -command [list visualize_local_merge $w]
-       pack $w.buttons.visualize -side left
-       button $w.buttons.create -text Merge \
-               -font font_ui \
-               -command [list start_local_merge_action $w]
-       pack $w.buttons.create -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -font font_ui \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.source \
-               -text {Source Branches} \
-               -font font_ui
-       listbox $w.source.l \
-               -height 10 \
-               -width 70 \
-               -selectmode extended \
-               -yscrollcommand [list $w.source.sby set] \
-               -font font_ui
-       scrollbar $w.source.sby -command [list $w.source.l yview]
-       pack $w.source.sby -side right -fill y
-       pack $w.source.l -side left -fill both -expand 1
-       pack $w.source -fill both -expand 1 -pady 5 -padx 5
-
-       set cmd [list git for-each-ref]
-       lappend cmd {--format=%(objectname) %(*objectname) %(refname)}
-       lappend cmd refs/heads
-       lappend cmd refs/remotes
-       lappend cmd refs/tags
-       set fr_fd [open "| $cmd" r]
-       fconfigure $fr_fd -translation binary
-       while {[gets $fr_fd line] > 0} {
-               set line [split $line { }]
-               set sha1([lindex $line 0]) [lindex $line 2]
-               set sha1([lindex $line 1]) [lindex $line 2]
-       }
-       close $fr_fd
-
-       set to_show {}
-       set fr_fd [open "| git rev-list --all --not HEAD"]
-       while {[gets $fr_fd line] > 0} {
-               if {[catch {set ref $sha1($line)}]} continue
-               regsub ^refs/(heads|remotes|tags)/ $ref {} ref
-               lappend to_show $ref
+               incr c
+               set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
+               set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
+               merge_state \
+                       [encoding convertfrom $p] \
+                       [lindex $i 4]? \
+                       [list [lindex $i 0] [lindex $i 2]] \
+                       [list]
+               set c $z2
+               incr c
        }
        }
-       close $fr_fd
-
-       foreach ref [lsort -unique $to_show] {
-               $w.source.l insert end $ref
+       if {$c < $n} {
+               set buf_rdi [string range $buf_rdi $c end]
+       } else {
+               set buf_rdi {}
        }
 
        }
 
-       bind $w <Visibility> "grab $w"
-       bind $w <Key-Escape> "unlock_index;destroy $w"
-       bind $w <Destroy> unlock_index
-       wm title $w "[appname] ([reponame]): Merge"
-       tkwait window $w
+       rescan_done $fd buf_rdi $after
 }
 
 }
 
-proc do_reset_hard {} {
-       global HEAD commit_type file_states
+proc read_diff_files {fd after} {
+       global buf_rdf
 
 
-       if {[string match amend* $commit_type]} {
-               info_popup {Cannot abort while amending.
+       append buf_rdf [read $fd]
+       set c 0
+       set n [string length $buf_rdf]
+       while {$c < $n} {
+               set z1 [string first "\0" $buf_rdf $c]
+               if {$z1 == -1} break
+               incr z1
+               set z2 [string first "\0" $buf_rdf $z1]
+               if {$z2 == -1} break
 
 
-You must finish amending this commit.
-}
-               return
+               incr c
+               set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
+               set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
+               merge_state \
+                       [encoding convertfrom $p] \
+                       ?[lindex $i 4] \
+                       [list] \
+                       [list [lindex $i 0] [lindex $i 2]]
+               set c $z2
+               incr c
        }
        }
-
-       if {![lock_index abort]} return
-
-       if {[string match *merge* $commit_type]} {
-               set op merge
+       if {$c < $n} {
+               set buf_rdf [string range $buf_rdf $c end]
        } else {
        } else {
-               set op commit
+               set buf_rdf {}
        }
 
        }
 
-       if {[ask_popup "Abort $op?
+       rescan_done $fd buf_rdf $after
+}
 
 
-Aborting the current $op will cause
-*ALL* uncommitted changes to be lost.
+proc read_ls_others {fd after} {
+       global buf_rlo
 
 
-Continue with aborting the current $op?"] eq {yes}} {
-               set fd [open "| git read-tree --reset -u HEAD" r]
-               fconfigure $fd -blocking 0 -translation binary
-               fileevent $fd readable [list reset_hard_wait $fd]
-               set ui_status_value {Aborting... please wait...}
-       } else {
-               unlock_index
+       append buf_rlo [read $fd]
+       set pck [split $buf_rlo "\0"]
+       set buf_rlo [lindex $pck end]
+       foreach p [lrange $pck 0 end-1] {
+               set p [encoding convertfrom $p]
+               if {[string index $p end] eq {/}} {
+                       set p [string range $p 0 end-1]
+               }
+               merge_state $p ?O
        }
        }
+       rescan_done $fd buf_rlo $after
 }
 
 }
 
-proc reset_hard_wait {fd} {
-       global ui_comm
+proc rescan_done {fd buf after} {
+       global rescan_active current_diff_path
+       global file_states repo_config
+       upvar $buf to_clear
 
 
-       read $fd
-       if {[eof $fd]} {
-               close $fd
-               unlock_index
+       if {![eof $fd]} return
+       set to_clear {}
+       close $fd
+       if {[incr rescan_active -1] > 0} return
 
 
-               $ui_comm delete 0.0 end
-               $ui_comm edit modified false
+       prune_selection
+       unlock_index
+       display_all_files
+       if {$current_diff_path ne {}} reshow_diff
+       uplevel #0 $after
+}
 
 
-               catch {file delete [gitdir MERGE_HEAD]}
-               catch {file delete [gitdir rr-cache MERGE_RR]}
-               catch {file delete [gitdir SQUASH_MSG]}
-               catch {file delete [gitdir MERGE_MSG]}
-               catch {file delete [gitdir GITGUI_MSG]}
+proc prune_selection {} {
+       global file_states selected_paths
 
 
-               rescan {set ui_status_value {Abort completed.  Ready.}}
+       foreach path [array names selected_paths] {
+               if {[catch {set still_here $file_states($path)}]} {
+                       unset selected_paths($path)
+               }
        }
 }
 
 ######################################################################
 ##
        }
 }
 
 ######################################################################
 ##
-## browser
-
-set next_browser_id 0
+## ui helpers
 
 
-proc new_browser {commit} {
-       global next_browser_id cursor_ptr M1B
-       global browser_commit browser_status browser_stack browser_path browser_busy
+proc mapicon {w state path} {
+       global all_icons
 
 
-       if {[winfo ismapped .]} {
-               set w .browser[incr next_browser_id]
-               set tl $w
-               toplevel $w
-       } else {
-               set w {}
-               set tl .
-       }
-       set w_list $w.list.l
-       set browser_commit($w_list) $commit
-       set browser_status($w_list) {Starting...}
-       set browser_stack($w_list) {}
-       set browser_path($w_list) $browser_commit($w_list):
-       set browser_busy($w_list) 1
-
-       label $w.path -textvariable browser_path($w_list) \
-               -anchor w \
-               -justify left \
-               -borderwidth 1 \
-               -relief sunken \
-               -font font_uibold
-       pack $w.path -anchor w -side top -fill x
-
-       frame $w.list
-       text $w_list -background white -borderwidth 0 \
-               -cursor $cursor_ptr \
-               -state disabled \
-               -wrap none \
-               -height 20 \
-               -width 70 \
-               -xscrollcommand [list $w.list.sbx set] \
-               -yscrollcommand [list $w.list.sby set] \
-               -font font_ui
-       $w_list tag conf in_sel \
-               -background [$w_list cget -foreground] \
-               -foreground [$w_list cget -background]
-       scrollbar $w.list.sbx -orient h -command [list $w_list xview]
-       scrollbar $w.list.sby -orient v -command [list $w_list yview]
-       pack $w.list.sbx -side bottom -fill x
-       pack $w.list.sby -side right -fill y
-       pack $w_list -side left -fill both -expand 1
-       pack $w.list -side top -fill both -expand 1
-
-       label $w.status -textvariable browser_status($w_list) \
-               -anchor w \
-               -justify left \
-               -borderwidth 1 \
-               -relief sunken \
-               -font font_ui
-       pack $w.status -anchor w -side bottom -fill x
-
-       bind $w_list <Button-1>        "browser_click 0 $w_list @%x,%y;break"
-       bind $w_list <Double-Button-1> "browser_click 1 $w_list @%x,%y;break"
-       bind $w_list <$M1B-Up>         "browser_parent $w_list;break"
-       bind $w_list <$M1B-Left>       "browser_parent $w_list;break"
-       bind $w_list <Up>              "browser_move -1 $w_list;break"
-       bind $w_list <Down>            "browser_move 1 $w_list;break"
-       bind $w_list <$M1B-Right>      "browser_enter $w_list;break"
-       bind $w_list <Return>          "browser_enter $w_list;break"
-       bind $w_list <Prior>           "browser_page -1 $w_list;break"
-       bind $w_list <Next>            "browser_page 1 $w_list;break"
-       bind $w_list <Left>            break
-       bind $w_list <Right>           break
-
-       bind $tl <Visibility> "focus $w"
-       bind $tl <Destroy> "
-               array unset browser_buffer $w_list
-               array unset browser_files $w_list
-               array unset browser_status $w_list
-               array unset browser_stack $w_list
-               array unset browser_path $w_list
-               array unset browser_commit $w_list
-               array unset browser_busy $w_list
-       "
-       wm title $tl "[appname] ([reponame]): File Browser"
-       ls_tree $w_list $browser_commit($w_list) {}
-}
-
-proc browser_move {dir w} {
-       global browser_files browser_busy
-
-       if {$browser_busy($w)} return
-       set lno [lindex [split [$w index in_sel.first] .] 0]
-       incr lno $dir
-       if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
-               $w tag remove in_sel 0.0 end
-               $w tag add in_sel $lno.0 [expr {$lno + 1}].0
-               $w see $lno.0
+       if {[catch {set r $all_icons($state$w)}]} {
+               puts "error: no icon for $w state={$state} $path"
+               return file_plain
        }
        }
+       return $r
 }
 
 }
 
-proc browser_page {dir w} {
-       global browser_files browser_busy
+proc mapdesc {state path} {
+       global all_descs
 
 
-       if {$browser_busy($w)} return
-       $w yview scroll $dir pages
-       set lno [expr {int(
-                 [lindex [$w yview] 0]
-               * [llength $browser_files($w)]
-               + 1)}]
-       if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
-               $w tag remove in_sel 0.0 end
-               $w tag add in_sel $lno.0 [expr {$lno + 1}].0
-               $w see $lno.0
+       if {[catch {set r $all_descs($state)}]} {
+               puts "error: no desc for state={$state} $path"
+               return $state
        }
        }
+       return $r
 }
 
 }
 
-proc browser_parent {w} {
-       global browser_files browser_status browser_path
-       global browser_stack browser_busy
-
-       if {$browser_busy($w)} return
-       set info [lindex $browser_files($w) 0]
-       if {[lindex $info 0] eq {parent}} {
-               set parent [lindex $browser_stack($w) end-1]
-               set browser_stack($w) [lrange $browser_stack($w) 0 end-2]
-               if {$browser_stack($w) eq {}} {
-                       regsub {:.*$} $browser_path($w) {:} browser_path($w)
-               } else {
-                       regsub {/[^/]+$} $browser_path($w) {} browser_path($w)
-               }
-               set browser_status($w) "Loading $browser_path($w)..."
-               ls_tree $w [lindex $parent 0] [lindex $parent 1]
+proc ui_status {msg} {
+       global main_status
+       if {[info exists main_status]} {
+               $main_status show $msg
        }
 }
 
        }
 }
 
-proc browser_enter {w} {
-       global browser_files browser_status browser_path
-       global browser_commit browser_stack browser_busy
-
-       if {$browser_busy($w)} return
-       set lno [lindex [split [$w index in_sel.first] .] 0]
-       set info [lindex $browser_files($w) [expr {$lno - 1}]]
-       if {$info ne {}} {
-               switch -- [lindex $info 0] {
-               parent {
-                       browser_parent $w
-               }
-               tree {
-                       set name [lindex $info 2]
-                       set escn [escape_path $name]
-                       set browser_status($w) "Loading $escn..."
-                       append browser_path($w) $escn
-                       ls_tree $w [lindex $info 1] $name
-               }
-               blob {
-                       set name [lindex $info 2]
-                       set p {}
-                       foreach n $browser_stack($w) {
-                               append p [lindex $n 1]
-                       }
-                       append p $name
-                       show_blame $browser_commit($w) $p
-               }
-               }
+proc ui_ready {{test {}}} {
+       global main_status
+       if {[info exists main_status]} {
+               $main_status show [mc "Ready."] $test
        }
 }
 
        }
 }
 
-proc browser_click {was_double_click w pos} {
-       global browser_files browser_busy
-
-       if {$browser_busy($w)} return
-       set lno [lindex [split [$w index $pos] .] 0]
-       focus $w
+proc escape_path {path} {
+       regsub -all {\\} $path "\\\\" path
+       regsub -all "\n" $path "\\n" path
+       return $path
+}
 
 
-       if {[lindex $browser_files($w) [expr {$lno - 1}]] ne {}} {
-               $w tag remove in_sel 0.0 end
-               $w tag add in_sel $lno.0 [expr {$lno + 1}].0
-               if {$was_double_click} {
-                       browser_enter $w
-               }
-       }
+proc short_path {path} {
+       return [escape_path [lindex [file split $path] end]]
 }
 
 }
 
-proc ls_tree {w tree_id name} {
-       global browser_buffer browser_files browser_stack browser_busy
+set next_icon_id 0
+set null_sha1 [string repeat 0 40]
+
+proc merge_state {path new_state {head_info {}} {index_info {}}} {
+       global file_states next_icon_id null_sha1
 
 
-       set browser_buffer($w) {}
-       set browser_files($w) {}
-       set browser_busy($w) 1
+       set s0 [string index $new_state 0]
+       set s1 [string index $new_state 1]
 
 
-       $w conf -state normal
-       $w tag remove in_sel 0.0 end
-       $w delete 0.0 end
-       if {$browser_stack($w) ne {}} {
-               $w image create end \
-                       -align center -padx 5 -pady 1 \
-                       -name icon0 \
-                       -image file_uplevel
-               $w insert end {[Up To Parent]}
-               lappend browser_files($w) parent
+       if {[catch {set info $file_states($path)}]} {
+               set state __
+               set icon n[incr next_icon_id]
+       } else {
+               set state [lindex $info 0]
+               set icon [lindex $info 1]
+               if {$head_info eq {}}  {set head_info  [lindex $info 2]}
+               if {$index_info eq {}} {set index_info [lindex $info 3]}
        }
        }
-       lappend browser_stack($w) [list $tree_id $name]
-       $w conf -state disabled
 
 
-       set cmd [list git ls-tree -z $tree_id]
-       set fd [open "| $cmd" r]
-       fconfigure $fd -blocking 0 -translation binary -encoding binary
-       fileevent $fd readable [list read_ls_tree $fd $w]
-}
+       if     {$s0 eq {?}} {set s0 [string index $state 0]} \
+       elseif {$s0 eq {_}} {set s0 _}
 
 
-proc read_ls_tree {fd w} {
-       global browser_buffer browser_files browser_status browser_busy
+       if     {$s1 eq {?}} {set s1 [string index $state 1]} \
+       elseif {$s1 eq {_}} {set s1 _}
 
 
-       if {![winfo exists $w]} {
-               catch {close $fd}
-               return
+       if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
+               set head_info [list 0 $null_sha1]
+       } elseif {$s0 ne {_} && [string index $state 0] eq {_}
+               && $head_info eq {}} {
+               set head_info $index_info
        }
 
        }
 
-       append browser_buffer($w) [read $fd]
-       set pck [split $browser_buffer($w) "\0"]
-       set browser_buffer($w) [lindex $pck end]
-
-       set n [llength $browser_files($w)]
-       $w conf -state normal
-       foreach p [lrange $pck 0 end-1] {
-               set info [split $p "\t"]
-               set path [lindex $info 1]
-               set info [split [lindex $info 0] { }]
-               set type [lindex $info 1]
-               set object [lindex $info 2]
-
-               switch -- $type {
-               blob {
-                       set image file_mod
-               }
-               tree {
-                       set image file_dir
-                       append path /
-               }
-               default {
-                       set image file_question
-               }
-               }
+       set file_states($path) [list $s0$s1 $icon \
+               $head_info $index_info \
+               ]
+       return $state
+}
 
 
-               if {$n > 0} {$w insert end "\n"}
-               $w image create end \
-                       -align center -padx 5 -pady 1 \
-                       -name icon[incr n] \
-                       -image $image
-               $w insert end [escape_path $path]
-               lappend browser_files($w) [list $type $object $path]
-       }
-       $w conf -state disabled
+proc display_file_helper {w path icon_name old_m new_m} {
+       global file_lists
 
 
-       if {[eof $fd]} {
-               close $fd
-               set browser_status($w) Ready.
-               set browser_busy($w) 0
-               array unset browser_buffer $w
-               if {$n > 0} {
-                       $w tag add in_sel 1.0 2.0
-                       focus -force $w
+       if {$new_m eq {_}} {
+               set lno [lsearch -sorted -exact $file_lists($w) $path]
+               if {$lno >= 0} {
+                       set file_lists($w) [lreplace $file_lists($w) $lno $lno]
+                       incr lno
+                       $w conf -state normal
+                       $w delete $lno.0 [expr {$lno + 1}].0
+                       $w conf -state disabled
                }
                }
+       } elseif {$old_m eq {_} && $new_m ne {_}} {
+               lappend file_lists($w) $path
+               set file_lists($w) [lsort -unique $file_lists($w)]
+               set lno [lsearch -sorted -exact $file_lists($w) $path]
+               incr lno
+               $w conf -state normal
+               $w image create $lno.0 \
+                       -align center -padx 5 -pady 1 \
+                       -name $icon_name \
+                       -image [mapicon $w $new_m $path]
+               $w insert $lno.1 "[escape_path $path]\n"
+               $w conf -state disabled
+       } elseif {$old_m ne $new_m} {
+               $w conf -state normal
+               $w image conf $icon_name -image [mapicon $w $new_m $path]
+               $w conf -state disabled
        }
 }
 
        }
 }
 
-proc show_blame {commit path} {
-       global next_browser_id blame_status blame_data
-
-       if {[winfo ismapped .]} {
-               set w .browser[incr next_browser_id]
-               set tl $w
-               toplevel $w
-       } else {
-               set w {}
-               set tl .
-       }
-       set blame_status($w) {Loading current file content...}
-
-       label $w.path -text "$commit:$path" \
-               -anchor w \
-               -justify left \
-               -borderwidth 1 \
-               -relief sunken \
-               -font font_uibold
-       pack $w.path -side top -fill x
-
-       frame $w.out
-       text $w.out.loaded_t \
-               -background white -borderwidth 0 \
-               -state disabled \
-               -wrap none \
-               -height 40 \
-               -width 1 \
-               -font font_diff
-       $w.out.loaded_t tag conf annotated -background grey
-
-       text $w.out.linenumber_t \
-               -background white -borderwidth 0 \
-               -state disabled \
-               -wrap none \
-               -height 40 \
-               -width 5 \
-               -font font_diff
-       $w.out.linenumber_t tag conf linenumber -justify right
-
-       text $w.out.file_t \
-               -background white -borderwidth 0 \
-               -state disabled \
-               -wrap none \
-               -height 40 \
-               -width 80 \
-               -xscrollcommand [list $w.out.sbx set] \
-               -font font_diff
-
-       scrollbar $w.out.sbx -orient h -command [list $w.out.file_t xview]
-       scrollbar $w.out.sby -orient v \
-               -command [list scrollbar2many [list \
-               $w.out.loaded_t \
-               $w.out.linenumber_t \
-               $w.out.file_t \
-               ] yview]
-       grid \
-               $w.out.linenumber_t \
-               $w.out.loaded_t \
-               $w.out.file_t \
-               $w.out.sby \
-               -sticky nsew
-       grid conf $w.out.sbx -column 2 -sticky we
-       grid columnconfigure $w.out 2 -weight 1
-       grid rowconfigure $w.out 0 -weight 1
-       pack $w.out -fill both -expand 1
-
-       label $w.status -textvariable blame_status($w) \
-               -anchor w \
-               -justify left \
-               -borderwidth 1 \
-               -relief sunken \
-               -font font_ui
-       pack $w.status -side bottom -fill x
-
-       frame $w.cm
-       text $w.cm.t \
-               -background white -borderwidth 0 \
-               -state disabled \
-               -wrap none \
-               -height 10 \
-               -width 80 \
-               -xscrollcommand [list $w.cm.sbx set] \
-               -yscrollcommand [list $w.cm.sby set] \
-               -font font_diff
-       scrollbar $w.cm.sbx -orient h -command [list $w.cm.t xview]
-       scrollbar $w.cm.sby -orient v -command [list $w.cm.t yview]
-       pack $w.cm.sby -side right -fill y
-       pack $w.cm.sbx -side bottom -fill x
-       pack $w.cm.t -expand 1 -fill both
-       pack $w.cm -side bottom -fill x
-
-       menu $w.ctxm -tearoff 0
-       $w.ctxm add command -label "Copy Commit" \
-               -font font_ui \
-               -command "blame_copycommit $w \$cursorW @\$cursorX,\$cursorY"
-
-       foreach i [list \
-               $w.out.loaded_t \
-               $w.out.linenumber_t \
-               $w.out.file_t] {
-               $i tag conf in_sel \
-                       -background [$i cget -foreground] \
-                       -foreground [$i cget -background]
-               $i conf -yscrollcommand \
-                       [list many2scrollbar [list \
-                       $w.out.loaded_t \
-                       $w.out.linenumber_t \
-                       $w.out.file_t \
-                       ] yview $w.out.sby]
-               bind $i <Button-1> "
-                       blame_click {$w} \\
-                               $w.cm.t \\
-                               $w.out.linenumber_t \\
-                               $w.out.file_t \\
-                               $i @%x,%y
-                       focus $i
-               "
-               bind_button3 $i "
-                       set cursorX %x
-                       set cursorY %y
-                       set cursorW %W
-                       tk_popup $w.ctxm %X %Y
-               "
-       }
+proc display_file {path state} {
+       global file_states selected_paths
+       global ui_index ui_workdir
 
 
-       bind $w.cm.t <Button-1> "focus $w.cm.t"
-       bind $tl <Visibility> "focus $tl"
-       bind $tl <Destroy> "
-               array unset blame_status {$w}
-               array unset blame_data $w,*
-       "
-       wm title $tl "[appname] ([reponame]): File Viewer"
-
-       set blame_data($w,commit_count) 0
-       set blame_data($w,commit_list) {}
-       set blame_data($w,total_lines) 0
-       set blame_data($w,blame_lines) 0
-       set blame_data($w,highlight_commit) {}
-       set blame_data($w,highlight_line) -1
-
-       set cmd [list git cat-file blob "$commit:$path"]
-       set fd [open "| $cmd" r]
-       fconfigure $fd -blocking 0 -translation lf -encoding binary
-       fileevent $fd readable [list read_blame_catfile \
-               $fd $w $commit $path \
-               $w.cm.t $w.out.loaded_t $w.out.linenumber_t $w.out.file_t]
-}
-
-proc read_blame_catfile {fd w commit path w_cmit w_load w_line w_file} {
-       global blame_status blame_data
-
-       if {![winfo exists $w_file]} {
-               catch {close $fd}
-               return
-       }
+       set old_m [merge_state $path $state]
+       set s $file_states($path)
+       set new_m [lindex $s 0]
+       set icon_name [lindex $s 1]
 
 
-       set n $blame_data($w,total_lines)
-       $w_load conf -state normal
-       $w_line conf -state normal
-       $w_file conf -state normal
-       while {[gets $fd line] >= 0} {
-               regsub "\r\$" $line {} line
-               incr n
-               $w_load insert end "\n"
-               $w_line insert end "$n\n" linenumber
-               $w_file insert end "$line\n"
+       set o [string index $old_m 0]
+       set n [string index $new_m 0]
+       if {$o eq {U}} {
+               set o _
        }
        }
-       $w_load conf -state disabled
-       $w_line conf -state disabled
-       $w_file conf -state disabled
-       set blame_data($w,total_lines) $n
-
-       if {[eof $fd]} {
-               close $fd
-               blame_incremental_status $w
-               set cmd [list git blame -M -C --incremental]
-               lappend cmd $commit -- $path
-               set fd [open "| $cmd" r]
-               fconfigure $fd -blocking 0 -translation lf -encoding binary
-               fileevent $fd readable [list read_blame_incremental $fd $w \
-                       $w_load $w_cmit $w_line $w_file]
+       if {$n eq {U}} {
+               set n _
        }
        }
-}
-
-proc read_blame_incremental {fd w w_load w_cmit w_line w_file} {
-       global blame_status blame_data
+       display_file_helper     $ui_index $path $icon_name $o $n
 
 
-       if {![winfo exists $w_file]} {
-               catch {close $fd}
-               return
+       if {[string index $old_m 0] eq {U}} {
+               set o U
+       } else {
+               set o [string index $old_m 1]
        }
        }
-
-       while {[gets $fd line] >= 0} {
-               if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
-                       cmit original_line final_line line_count]} {
-                       set blame_data($w,commit) $cmit
-                       set blame_data($w,original_line) $original_line
-                       set blame_data($w,final_line) $final_line
-                       set blame_data($w,line_count) $line_count
-
-                       if {[catch {set g $blame_data($w,$cmit,order)}]} {
-                               $w_line tag conf g$cmit
-                               $w_file tag conf g$cmit
-                               $w_line tag raise in_sel
-                               $w_file tag raise in_sel
-                               $w_file tag raise sel
-                               set blame_data($w,$cmit,order) $blame_data($w,commit_count)
-                               incr blame_data($w,commit_count)
-                               lappend blame_data($w,commit_list) $cmit
-                       }
-               } elseif {[string match {filename *} $line]} {
-                       set file [string range $line 9 end]
-                       set n $blame_data($w,line_count)
-                       set lno $blame_data($w,final_line)
-                       set cmit $blame_data($w,commit)
-
-                       while {$n > 0} {
-                               if {[catch {set g g$blame_data($w,line$lno,commit)}]} {
-                                       $w_load tag add annotated $lno.0 "$lno.0 lineend + 1c"
-                               } else {
-                                       $w_line tag remove g$g $lno.0 "$lno.0 lineend + 1c"
-                                       $w_file tag remove g$g $lno.0 "$lno.0 lineend + 1c"
-                               }
-
-                               set blame_data($w,line$lno,commit) $cmit
-                               set blame_data($w,line$lno,file) $file
-                               $w_line tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
-                               $w_file tag add g$cmit $lno.0 "$lno.0 lineend + 1c"
-
-                               if {$blame_data($w,highlight_line) == -1} {
-                                       if {[lindex [$w_file yview] 0] == 0} {
-                                               $w_file see $lno.0
-                                               blame_showcommit $w $w_cmit $w_line $w_file $lno
-                                       }
-                               } elseif {$blame_data($w,highlight_line) == $lno} {
-                                       blame_showcommit $w $w_cmit $w_line $w_file $lno
-                               }
-
-                               incr n -1
-                               incr lno
-                               incr blame_data($w,blame_lines)
-                       }
-
-                       set hc $blame_data($w,highlight_commit)
-                       if {$hc ne {}
-                               && [expr {$blame_data($w,$hc,order) + 1}]
-                                       == $blame_data($w,$cmit,order)} {
-                               blame_showcommit $w $w_cmit $w_line $w_file \
-                                       $blame_data($w,highlight_line)
-                       }
-               } elseif {[regexp {^([a-z-]+) (.*)$} $line line header data]} {
-                       set blame_data($w,$blame_data($w,commit),$header) $data
-               }
+       if {[string index $new_m 0] eq {U}} {
+               set n U
+       } else {
+               set n [string index $new_m 1]
        }
        }
+       display_file_helper     $ui_workdir $path $icon_name $o $n
 
 
-       if {[eof $fd]} {
-               close $fd
-               set blame_status($w) {Annotation complete.}
-       } else {
-               blame_incremental_status $w
+       if {$new_m eq {__}} {
+               unset file_states($path)
+               catch {unset selected_paths($path)}
        }
 }
 
        }
 }
 
-proc blame_incremental_status {w} {
-       global blame_status blame_data
+proc display_all_files_helper {w path icon_name m} {
+       global file_lists
 
 
-       set blame_status($w) [format \
-               "Loading annotations... %i of %i lines annotated (%2i%%)" \
-               $blame_data($w,blame_lines) \
-               $blame_data($w,total_lines) \
-               [expr {100 * $blame_data($w,blame_lines)
-                       / $blame_data($w,total_lines)}]]
+       lappend file_lists($w) $path
+       set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
+       $w image create end \
+               -align center -padx 5 -pady 1 \
+               -name $icon_name \
+               -image [mapicon $w $m $path]
+       $w insert end "[escape_path $path]\n"
 }
 
 }
 
-proc blame_click {w w_cmit w_line w_file cur_w pos} {
-       set lno [lindex [split [$cur_w index $pos] .] 0]
-       if {$lno eq {}} return
+proc display_all_files {} {
+       global ui_index ui_workdir
+       global file_states file_lists
+       global last_clicked
 
 
-       $w_line tag remove in_sel 0.0 end
-       $w_file tag remove in_sel 0.0 end
-       $w_line tag add in_sel $lno.0 "$lno.0 + 1 line"
-       $w_file tag add in_sel $lno.0 "$lno.0 + 1 line"
+       $ui_index conf -state normal
+       $ui_workdir conf -state normal
 
 
-       blame_showcommit $w $w_cmit $w_line $w_file $lno
-}
+       $ui_index delete 0.0 end
+       $ui_workdir delete 0.0 end
+       set last_clicked {}
 
 
-set blame_colors {
-       #ff4040
-       #ff40ff
-       #4040ff
-}
+       set file_lists($ui_index) [list]
+       set file_lists($ui_workdir) [list]
 
 
-proc blame_showcommit {w w_cmit w_line w_file lno} {
-       global blame_colors blame_data repo_config
+       foreach path [lsort [array names file_states]] {
+               set s $file_states($path)
+               set m [lindex $s 0]
+               set icon_name [lindex $s 1]
 
 
-       set cmit $blame_data($w,highlight_commit)
-       if {$cmit ne {}} {
-               set idx $blame_data($w,$cmit,order)
-               set i 0
-               foreach c $blame_colors {
-                       set h [lindex $blame_data($w,commit_list) [expr {$idx - 1 + $i}]]
-                       $w_line tag conf g$h -background white
-                       $w_file tag conf g$h -background white
-                       incr i
+               set s [string index $m 0]
+               if {$s ne {U} && $s ne {_}} {
+                       display_all_files_helper $ui_index $path \
+                               $icon_name $s
                }
                }
-       }
 
 
-       $w_cmit conf -state normal
-       $w_cmit delete 0.0 end
-       if {[catch {set cmit $blame_data($w,line$lno,commit)}]} {
-               set cmit {}
-               $w_cmit insert end "Loading annotation..."
-       } else {
-               set idx $blame_data($w,$cmit,order)
-               set i 0
-               foreach c $blame_colors {
-                       set h [lindex $blame_data($w,commit_list) [expr {$idx - 1 + $i}]]
-                       $w_line tag conf g$h -background $c
-                       $w_file tag conf g$h -background $c
-                       incr i
+               if {[string index $m 0] eq {U}} {
+                       set s U
+               } else {
+                       set s [string index $m 1]
                }
                }
-
-               if {[catch {set msg $blame_data($w,$cmit,message)}]} {
-                       set msg {}
-                       catch {
-                               set fd [open "| git cat-file commit $cmit" r]
-                               fconfigure $fd -encoding binary -translation lf
-                               if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
-                                       set enc utf-8
-                               }
-                               while {[gets $fd line] > 0} {
-                                       if {[string match {encoding *} $line]} {
-                                               set enc [string tolower [string range $line 9 end]]
-                                       }
-                               }
-                               fconfigure $fd -encoding $enc
-                               set msg [string trim [read $fd]]
-                               close $fd
-                       }
-                       set blame_data($w,$cmit,message) $msg
+               if {$s ne {_}} {
+                       display_all_files_helper $ui_workdir $path \
+                               $icon_name $s
                }
                }
-
-               set author_name {}
-               set author_email {}
-               set author_time {}
-               catch {set author_name $blame_data($w,$cmit,author)}
-               catch {set author_email $blame_data($w,$cmit,author-mail)}
-               catch {set author_time [clock format $blame_data($w,$cmit,author-time)]}
-
-               set committer_name {}
-               set committer_email {}
-               set committer_time {}
-               catch {set committer_name $blame_data($w,$cmit,committer)}
-               catch {set committer_email $blame_data($w,$cmit,committer-mail)}
-               catch {set committer_time [clock format $blame_data($w,$cmit,committer-time)]}
-
-               $w_cmit insert end "commit $cmit\n"
-               $w_cmit insert end "Author: $author_name $author_email $author_time\n"
-               $w_cmit insert end "Committer: $committer_name $committer_email $committer_time\n"
-               $w_cmit insert end "Original File: [escape_path $blame_data($w,line$lno,file)]\n"
-               $w_cmit insert end "\n"
-               $w_cmit insert end $msg
        }
        }
-       $w_cmit conf -state disabled
-
-       set blame_data($w,highlight_line) $lno
-       set blame_data($w,highlight_commit) $cmit
-}
 
 
-proc blame_copycommit {w i pos} {
-       global blame_data
-       set lno [lindex [split [$i index $pos] .] 0]
-       if {![catch {set commit $blame_data($w,line$lno,commit)}]} {
-               clipboard clear
-               clipboard append \
-                       -format STRING \
-                       -type STRING \
-                       -- $commit
-       }
+       $ui_index conf -state disabled
+       $ui_workdir conf -state disabled
 }
 
 ######################################################################
 }
 
 ######################################################################
@@ -3790,32 +1570,6 @@ static unsigned char file_merge_bits[] = {
    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
 } -maskdata $filemask
 
    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
 } -maskdata $filemask
 
-set file_dir_data {
-#define file_width 18
-#define file_height 18
-static unsigned char file_bits[] = {
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0x00,
-  0x0c, 0x03, 0x00, 0x04, 0xfe, 0x00, 0x06, 0x80, 0x00, 0xff, 0x9f, 0x00,
-  0x03, 0x98, 0x00, 0x02, 0x90, 0x00, 0x06, 0xb0, 0x00, 0x04, 0xa0, 0x00,
-  0x0c, 0xe0, 0x00, 0x08, 0xc0, 0x00, 0xf8, 0xff, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-}
-image create bitmap file_dir -background white -foreground blue \
-       -data $file_dir_data -maskdata $file_dir_data
-unset file_dir_data
-
-set file_uplevel_data {
-#define up_width 15
-#define up_height 15
-static unsigned char up_bits[] = {
-  0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,
-  0xfe, 0x3f, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,
-  0xc0, 0x01, 0xc0, 0x01, 0x00, 0x00};
-}
-image create bitmap file_uplevel -background white -foreground red \
-       -data $file_uplevel_data -maskdata $file_uplevel_data
-unset file_uplevel_data
-
 set ui_index .vpane.files.index.list
 set ui_workdir .vpane.files.workdir.list
 
 set ui_index .vpane.files.index.list
 set ui_workdir .vpane.files.workdir.list
 
@@ -3833,31 +1587,32 @@ set all_icons(O$ui_workdir) file_plain
 
 set max_status_desc 0
 foreach i {
 
 set max_status_desc 0
 foreach i {
-               {__ "Unmodified"}
-
-               {_M "Modified, not staged"}
-               {M_ "Staged for commit"}
-               {MM "Portions staged for commit"}
-               {MD "Staged for commit, missing"}
-
-               {_O "Untracked, not staged"}
-               {A_ "Staged for commit"}
-               {AM "Portions staged for commit"}
-               {AD "Staged for commit, missing"}
-
-               {_D "Missing"}
-               {D_ "Staged for removal"}
-               {DO "Staged for removal, still present"}
-
-               {U_ "Requires merge resolution"}
-               {UU "Requires merge resolution"}
-               {UM "Requires merge resolution"}
-               {UD "Requires merge resolution"}
+               {__ {mc "Unmodified"}}
+
+               {_M {mc "Modified, not staged"}}
+               {M_ {mc "Staged for commit"}}
+               {MM {mc "Portions staged for commit"}}
+               {MD {mc "Staged for commit, missing"}}
+
+               {_O {mc "Untracked, not staged"}}
+               {A_ {mc "Staged for commit"}}
+               {AM {mc "Portions staged for commit"}}
+               {AD {mc "Staged for commit, missing"}}
+
+               {_D {mc "Missing"}}
+               {D_ {mc "Staged for removal"}}
+               {DO {mc "Staged for removal, still present"}}
+
+               {U_ {mc "Requires merge resolution"}}
+               {UU {mc "Requires merge resolution"}}
+               {UM {mc "Requires merge resolution"}}
+               {UD {mc "Requires merge resolution"}}
        } {
        } {
-       if {$max_status_desc < [string length [lindex $i 1]]} {
-               set max_status_desc [string length [lindex $i 1]]
+       set text [eval [lindex $i 1]]
+       if {$max_status_desc < [string length $text]} {
+               set max_status_desc [string length $text]
        }
        }
-       set all_descs([lindex $i 0]) [lindex $i 1]
+       set all_descs([lindex $i 0]) $text
 }
 unset i
 
 }
 unset i
 
@@ -3865,13 +1620,6 @@ unset i
 ##
 ## util
 
 ##
 ## util
 
-proc bind_button3 {w cmd} {
-       bind $w <Any-Button-3> $cmd
-       if {[is_MacOSX]} {
-               bind $w <Control-Button-1> $cmd
-       }
-}
-
 proc scrollbar2many {list mode args} {
        foreach w $list {eval $w $mode $args}
 }
 proc scrollbar2many {list mode args} {
        foreach w $list {eval $w $mode $args}
 }
@@ -3886,358 +1634,58 @@ proc incr_font_size {font {amt 1}} {
        incr sz $amt
        font configure $font -size $sz
        font configure ${font}bold -size $sz
        incr sz $amt
        font configure $font -size $sz
        font configure ${font}bold -size $sz
-}
-
-proc hook_failed_popup {hook msg} {
-       set w .hookfail
-       toplevel $w
-
-       frame $w.m
-       label $w.m.l1 -text "$hook hook failed:" \
-               -anchor w \
-               -justify left \
-               -font font_uibold
-       text $w.m.t \
-               -background white -borderwidth 1 \
-               -relief sunken \
-               -width 80 -height 10 \
-               -font font_diff \
-               -yscrollcommand [list $w.m.sby set]
-       label $w.m.l2 \
-               -text {You must correct the above errors before committing.} \
-               -anchor w \
-               -justify left \
-               -font font_uibold
-       scrollbar $w.m.sby -command [list $w.m.t yview]
-       pack $w.m.l1 -side top -fill x
-       pack $w.m.l2 -side bottom -fill x
-       pack $w.m.sby -side right -fill y
-       pack $w.m.t -side left -fill both -expand 1
-       pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
-
-       $w.m.t insert 1.0 $msg
-       $w.m.t conf -state disabled
-
-       button $w.ok -text OK \
-               -width 15 \
-               -font font_ui \
-               -command "destroy $w"
-       pack $w.ok -side bottom -anchor e -pady 10 -padx 10
-
-       bind $w <Visibility> "grab $w; focus $w"
-       bind $w <Key-Return> "destroy $w"
-       wm title $w "[appname] ([reponame]): error"
-       tkwait window $w
-}
-
-set next_console_id 0
-
-proc new_console {short_title long_title} {
-       global next_console_id console_data
-       set w .console[incr next_console_id]
-       set console_data($w) [list $short_title $long_title]
-       return [console_init $w]
-}
-
-proc console_init {w} {
-       global console_cr console_data M1B
-
-       set console_cr($w) 1.0
-       toplevel $w
-       frame $w.m
-       label $w.m.l1 -text "[lindex $console_data($w) 1]:" \
-               -anchor w \
-               -justify left \
-               -font font_uibold
-       text $w.m.t \
-               -background white -borderwidth 1 \
-               -relief sunken \
-               -width 80 -height 10 \
-               -font font_diff \
-               -state disabled \
-               -yscrollcommand [list $w.m.sby set]
-       label $w.m.s -text {Working... please wait...} \
-               -anchor w \
-               -justify left \
-               -font font_uibold
-       scrollbar $w.m.sby -command [list $w.m.t yview]
-       pack $w.m.l1 -side top -fill x
-       pack $w.m.s -side bottom -fill x
-       pack $w.m.sby -side right -fill y
-       pack $w.m.t -side left -fill both -expand 1
-       pack $w.m -side top -fill both -expand 1 -padx 5 -pady 10
-
-       menu $w.ctxm -tearoff 0
-       $w.ctxm add command -label "Copy" \
-               -font font_ui \
-               -command "tk_textCopy $w.m.t"
-       $w.ctxm add command -label "Select All" \
-               -font font_ui \
-               -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
-       $w.ctxm add command -label "Copy All" \
-               -font font_ui \
-               -command "
-                       $w.m.t tag add sel 0.0 end
-                       tk_textCopy $w.m.t
-                       $w.m.t tag remove sel 0.0 end
-               "
-
-       button $w.ok -text {Close} \
-               -font font_ui \
-               -state disabled \
-               -command "destroy $w"
-       pack $w.ok -side bottom -anchor e -pady 10 -padx 10
-
-       bind_button3 $w.m.t "tk_popup $w.ctxm %X %Y"
-       bind $w.m.t <$M1B-Key-a> "$w.m.t tag add sel 0.0 end;break"
-       bind $w.m.t <$M1B-Key-A> "$w.m.t tag add sel 0.0 end;break"
-       bind $w <Visibility> "focus $w"
-       wm title $w "[appname] ([reponame]): [lindex $console_data($w) 0]"
-       return $w
-}
-
-proc console_exec {w cmd after} {
-       # -- Cygwin's Tcl tosses the enviroment when we exec our child.
-       #    But most users need that so we have to relogin. :-(
-       #
-       if {[is_Cygwin]} {
-               set cmd [list sh --login -c "cd \"[pwd]\" && [join $cmd { }]"]
-       }
-
-       # -- Tcl won't let us redirect both stdout and stderr to
-       #    the same pipe.  So pass it through cat...
-       #
-       set cmd [concat | $cmd |& cat]
-
-       set fd_f [open $cmd r]
-       fconfigure $fd_f -blocking 0 -translation binary
-       fileevent $fd_f readable [list console_read $w $fd_f $after]
-}
-
-proc console_read {w fd after} {
-       global console_cr
-
-       set buf [read $fd]
-       if {$buf ne {}} {
-               if {![winfo exists $w]} {console_init $w}
-               $w.m.t conf -state normal
-               set c 0
-               set n [string length $buf]
-               while {$c < $n} {
-                       set cr [string first "\r" $buf $c]
-                       set lf [string first "\n" $buf $c]
-                       if {$cr < 0} {set cr [expr {$n + 1}]}
-                       if {$lf < 0} {set lf [expr {$n + 1}]}
-
-                       if {$lf < $cr} {
-                               $w.m.t insert end [string range $buf $c $lf]
-                               set console_cr($w) [$w.m.t index {end -1c}]
-                               set c $lf
-                               incr c
-                       } else {
-                               $w.m.t delete $console_cr($w) end
-                               $w.m.t insert end "\n"
-                               $w.m.t insert end [string range $buf $c $cr]
-                               set c $cr
-                               incr c
-                       }
-               }
-               $w.m.t conf -state disabled
-               $w.m.t see end
-       }
-
-       fconfigure $fd -blocking 1
-       if {[eof $fd]} {
-               if {[catch {close $fd}]} {
-                       set ok 0
-               } else {
-                       set ok 1
-               }
-               uplevel #0 $after $w $ok
-               return
-       }
-       fconfigure $fd -blocking 0
-}
-
-proc console_chain {cmdlist w {ok 1}} {
-       if {$ok} {
-               if {[llength $cmdlist] == 0} {
-                       console_done $w $ok
-                       return
-               }
-
-               set cmd [lindex $cmdlist 0]
-               set cmdlist [lrange $cmdlist 1 end]
-
-               if {[lindex $cmd 0] eq {console_exec}} {
-                       console_exec $w \
-                               [lindex $cmd 1] \
-                               [list console_chain $cmdlist]
-               } else {
-                       uplevel #0 $cmd $cmdlist $w $ok
-               }
-       } else {
-               console_done $w $ok
-       }
-}
-
-proc console_done {args} {
-       global console_cr console_data
-
-       switch -- [llength $args] {
-       2 {
-               set w [lindex $args 0]
-               set ok [lindex $args 1]
-       }
-       3 {
-               set w [lindex $args 1]
-               set ok [lindex $args 2]
-       }
-       default {
-               error "wrong number of args: console_done ?ignored? w ok"
-       }
-       }
-
-       if {$ok} {
-               if {[winfo exists $w]} {
-                       $w.m.s conf -background green -text {Success}
-                       $w.ok conf -state normal
-               }
-       } else {
-               if {![winfo exists $w]} {
-                       console_init $w
-               }
-               $w.m.s conf -background red -text {Error: Command Failed}
-               $w.ok conf -state normal
-       }
-
-       array unset console_cr $w
-       array unset console_data $w
+       font configure ${font}italic -size $sz
 }
 
 ######################################################################
 ##
 ## ui commands
 
 }
 
 ######################################################################
 ##
 ## ui commands
 
-set starting_gitk_msg {Starting gitk... please wait...}
+set starting_gitk_msg [mc "Starting gitk... please wait..."]
 
 proc do_gitk {revs} {
 
 proc do_gitk {revs} {
-       global env ui_status_value starting_gitk_msg
-
        # -- Always start gitk through whatever we were loaded with.  This
        #    lets us bypass using shell process on Windows systems.
        #
        # -- Always start gitk through whatever we were loaded with.  This
        #    lets us bypass using shell process on Windows systems.
        #
-       set cmd [info nameofexecutable]
-       lappend cmd [gitexec gitk]
-       if {$revs ne {}} {
-               append cmd { }
-               append cmd $revs
-       }
-
-       if {[catch {eval exec $cmd &} err]} {
-               error_popup "Failed to start gitk:\n\n$err"
+       set exe [file join [file dirname $::_git] gitk]
+       set cmd [list [info nameofexecutable] $exe]
+       if {! [file exists $exe]} {
+               error_popup [mc "Unable to start gitk:\n\n%s does not exist" $exe]
        } else {
        } else {
-               set ui_status_value $starting_gitk_msg
-               after 10000 {
-                       if {$ui_status_value eq $starting_gitk_msg} {
-                               set ui_status_value {Ready.}
-                       }
-               }
-       }
-}
+               global env
 
 
-proc do_stats {} {
-       set fd [open "| git count-objects -v" r]
-       while {[gets $fd line] > 0} {
-               if {[regexp {^([^:]+): (\d+)$} $line _ name value]} {
-                       set stats($name) $value
+               if {[info exists env(GIT_DIR)]} {
+                       set old_GIT_DIR $env(GIT_DIR)
+               } else {
+                       set old_GIT_DIR {}
                }
                }
-       }
-       close $fd
 
 
-       set packed_sz 0
-       foreach p [glob -directory [gitdir objects pack] \
-               -type f \
-               -nocomplain -- *] {
-               incr packed_sz [file size $p]
-       }
-       if {$packed_sz > 0} {
-               set stats(size-pack) [expr {$packed_sz / 1024}]
-       }
+               set pwd [pwd]
+               cd [file dirname [gitdir]]
+               set env(GIT_DIR) [file tail [gitdir]]
+
+               eval exec $cmd $revs &
 
 
-       set w .stats_view
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text {Database Statistics} \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons -border 1
-       button $w.buttons.close -text Close \
-               -font font_ui \
-               -command [list destroy $w]
-       button $w.buttons.gc -text {Compress Database} \
-               -font font_ui \
-               -command "destroy $w;do_gc"
-       pack $w.buttons.close -side right
-       pack $w.buttons.gc -side left
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       frame $w.stat -borderwidth 1 -relief solid
-       foreach s {
-               {count           {Number of loose objects}}
-               {size            {Disk space used by loose objects} { KiB}}
-               {in-pack         {Number of packed objects}}
-               {packs           {Number of packs}}
-               {size-pack       {Disk space used by packed objects} { KiB}}
-               {prune-packable  {Packed objects waiting for pruning}}
-               {garbage         {Garbage files}}
-               } {
-               set name [lindex $s 0]
-               set label [lindex $s 1]
-               if {[catch {set value $stats($name)}]} continue
-               if {[llength $s] > 2} {
-                       set value "$value[lindex $s 2]"
+               if {$old_GIT_DIR eq {}} {
+                       unset env(GIT_DIR)
+               } else {
+                       set env(GIT_DIR) $old_GIT_DIR
                }
                }
+               cd $pwd
 
 
-               label $w.stat.l_$name -text "$label:" -anchor w -font font_ui
-               label $w.stat.v_$name -text $value -anchor w -font font_ui
-               grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
+               ui_status $::starting_gitk_msg
+               after 10000 {
+                       ui_ready $starting_gitk_msg
+               }
        }
        }
-       pack $w.stat -pady 10 -padx 10
-
-       bind $w <Visibility> "grab $w; focus $w"
-       bind $w <Key-Escape> [list destroy $w]
-       bind $w <Key-Return> [list destroy $w]
-       wm title $w "[appname] ([reponame]): Database Statistics"
-       tkwait window $w
-}
-
-proc do_gc {} {
-       set w [new_console {gc} {Compressing the object database}]
-       console_chain {
-               {console_exec {git pack-refs --prune}}
-               {console_exec {git reflog expire --all}}
-               {console_exec {git repack -a -d -l}}
-               {console_exec {git rerere gc}}
-       } $w
-}
-
-proc do_fsck_objects {} {
-       set w [new_console {fsck-objects} \
-               {Verifying the object database with fsck-objects}]
-       set cmd [list git fsck-objects]
-       lappend cmd --full
-       lappend cmd --cache
-       lappend cmd --strict
-       console_exec $w $cmd console_done
 }
 
 set is_quitting 0
 
 proc do_quit {} {
        global ui_comm is_quitting repo_config commit_type
 }
 
 set is_quitting 0
 
 proc do_quit {} {
        global ui_comm is_quitting repo_config commit_type
+       global GITGUI_BCK_exists GITGUI_BCK_i
+       global ui_comm_spell
 
        if {$is_quitting} return
        set is_quitting 1
 
        if {$is_quitting} return
        set is_quitting 1
@@ -4245,632 +1693,62 @@ proc do_quit {} {
        if {[winfo exists $ui_comm]} {
                # -- Stash our current commit buffer.
                #
        if {[winfo exists $ui_comm]} {
                # -- Stash our current commit buffer.
                #
-               set save [gitdir GITGUI_MSG]
-               set msg [string trim [$ui_comm get 0.0 end]]
-               regsub -all -line {[ \r\t]+$} $msg {} msg
-               if {(![string match amend* $commit_type]
-                       || [$ui_comm edit modified])
-                       && $msg ne {}} {
-                       catch {
-                               set fd [open $save w]
-                               puts -nonewline $fd $msg
-                               close $fd
-                       }
-               } else {
-                       catch {file delete $save}
-               }
-
-               # -- Stash our current window geometry into this repository.
-               #
-               set cfg_geometry [list]
-               lappend cfg_geometry [wm geometry .]
-               lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
-               lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
-               if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
-                       set rc_geometry {}
-               }
-               if {$cfg_geometry ne $rc_geometry} {
-                       catch {git config gui.geometry $cfg_geometry}
-               }
-       }
-
-       destroy .
-}
-
-proc do_rescan {} {
-       rescan {set ui_status_value {Ready.}}
-}
-
-proc unstage_helper {txt paths} {
-       global file_states current_diff_path
-
-       if {![lock_index begin-update]} return
-
-       set pathList [list]
-       set after {}
-       foreach path $paths {
-               switch -glob -- [lindex $file_states($path) 0] {
-               A? -
-               M? -
-               D? {
-                       lappend pathList $path
-                       if {$path eq $current_diff_path} {
-                               set after {reshow_diff;}
-                       }
-               }
-               }
-       }
-       if {$pathList eq {}} {
-               unlock_index
-       } else {
-               update_indexinfo \
-                       $txt \
-                       $pathList \
-                       [concat $after {set ui_status_value {Ready.}}]
-       }
-}
-
-proc do_unstage_selection {} {
-       global current_diff_path selected_paths
-
-       if {[array size selected_paths] > 0} {
-               unstage_helper \
-                       {Unstaging selected files from commit} \
-                       [array names selected_paths]
-       } elseif {$current_diff_path ne {}} {
-               unstage_helper \
-                       "Unstaging [short_path $current_diff_path] from commit" \
-                       [list $current_diff_path]
-       }
-}
-
-proc add_helper {txt paths} {
-       global file_states current_diff_path
-
-       if {![lock_index begin-update]} return
-
-       set pathList [list]
-       set after {}
-       foreach path $paths {
-               switch -glob -- [lindex $file_states($path) 0] {
-               _O -
-               ?M -
-               ?D -
-               U? {
-                       lappend pathList $path
-                       if {$path eq $current_diff_path} {
-                               set after {reshow_diff;}
-                       }
-               }
-               }
-       }
-       if {$pathList eq {}} {
-               unlock_index
-       } else {
-               update_index \
-                       $txt \
-                       $pathList \
-                       [concat $after {set ui_status_value {Ready to commit.}}]
-       }
-}
-
-proc do_add_selection {} {
-       global current_diff_path selected_paths
-
-       if {[array size selected_paths] > 0} {
-               add_helper \
-                       {Adding selected files} \
-                       [array names selected_paths]
-       } elseif {$current_diff_path ne {}} {
-               add_helper \
-                       "Adding [short_path $current_diff_path]" \
-                       [list $current_diff_path]
-       }
-}
-
-proc do_add_all {} {
-       global file_states
-
-       set paths [list]
-       foreach path [array names file_states] {
-               switch -glob -- [lindex $file_states($path) 0] {
-               U? {continue}
-               ?M -
-               ?D {lappend paths $path}
-               }
-       }
-       add_helper {Adding all changed files} $paths
-}
-
-proc revert_helper {txt paths} {
-       global file_states current_diff_path
-
-       if {![lock_index begin-update]} return
-
-       set pathList [list]
-       set after {}
-       foreach path $paths {
-               switch -glob -- [lindex $file_states($path) 0] {
-               U? {continue}
-               ?M -
-               ?D {
-                       lappend pathList $path
-                       if {$path eq $current_diff_path} {
-                               set after {reshow_diff;}
-                       }
-               }
-               }
-       }
-
-       set n [llength $pathList]
-       if {$n == 0} {
-               unlock_index
-               return
-       } elseif {$n == 1} {
-               set s "[short_path [lindex $pathList]]"
-       } else {
-               set s "these $n files"
-       }
-
-       set reply [tk_dialog \
-               .confirm_revert \
-               "[appname] ([reponame])" \
-               "Revert changes in $s?
-
-Any unadded changes will be permanently lost by the revert." \
-               question \
-               1 \
-               {Do Nothing} \
-               {Revert Changes} \
-               ]
-       if {$reply == 1} {
-               checkout_index \
-                       $txt \
-                       $pathList \
-                       [concat $after {set ui_status_value {Ready.}}]
-       } else {
-               unlock_index
-       }
-}
-
-proc do_revert_selection {} {
-       global current_diff_path selected_paths
-
-       if {[array size selected_paths] > 0} {
-               revert_helper \
-                       {Reverting selected files} \
-                       [array names selected_paths]
-       } elseif {$current_diff_path ne {}} {
-               revert_helper \
-                       "Reverting [short_path $current_diff_path]" \
-                       [list $current_diff_path]
-       }
-}
-
-proc do_signoff {} {
-       global ui_comm
-
-       set me [committer_ident]
-       if {$me eq {}} return
-
-       set sob "Signed-off-by: $me"
-       set last [$ui_comm get {end -1c linestart} {end -1c}]
-       if {$last ne $sob} {
-               $ui_comm edit separator
-               if {$last ne {}
-                       && ![regexp {^[A-Z][A-Za-z]*-[A-Za-z-]+: *} $last]} {
-                       $ui_comm insert end "\n"
-               }
-               $ui_comm insert end "\n$sob"
-               $ui_comm edit separator
-               $ui_comm see end
-       }
-}
-
-proc do_select_commit_type {} {
-       global commit_type selected_commit_type
-
-       if {$selected_commit_type eq {new}
-               && [string match amend* $commit_type]} {
-               create_new_commit
-       } elseif {$selected_commit_type eq {amend}
-               && ![string match amend* $commit_type]} {
-               load_last_commit
-
-               # The amend request was rejected...
-               #
-               if {![string match amend* $commit_type]} {
-                       set selected_commit_type new
-               }
-       }
-}
-
-proc do_commit {} {
-       commit_tree
-}
-
-proc do_about {} {
-       global appvers copyright
-       global tcl_patchLevel tk_patchLevel
-
-       set w .about_dialog
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text "About [appname]" \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.close -text {Close} \
-               -font font_ui \
-               -command [list destroy $w]
-       pack $w.buttons.close -side right
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       label $w.desc \
-               -text "git-gui - a graphical user interface for Git.
-$copyright" \
-               -padx 5 -pady 5 \
-               -justify left \
-               -anchor w \
-               -borderwidth 1 \
-               -relief solid \
-               -font font_ui
-       pack $w.desc -side top -fill x -padx 5 -pady 5
-
-       set v {}
-       append v "git-gui version $appvers\n"
-       append v "[git version]\n"
-       append v "\n"
-       if {$tcl_patchLevel eq $tk_patchLevel} {
-               append v "Tcl/Tk version $tcl_patchLevel"
-       } else {
-               append v "Tcl version $tcl_patchLevel"
-               append v ", Tk version $tk_patchLevel"
-       }
-
-       label $w.vers \
-               -text $v \
-               -padx 5 -pady 5 \
-               -justify left \
-               -anchor w \
-               -borderwidth 1 \
-               -relief solid \
-               -font font_ui
-       pack $w.vers -side top -fill x -padx 5 -pady 5
-
-       menu $w.ctxm -tearoff 0
-       $w.ctxm add command \
-               -label {Copy} \
-               -font font_ui \
-               -command "
-               clipboard clear
-               clipboard append -format STRING -type STRING -- \[$w.vers cget -text\]
-       "
-
-       bind $w <Visibility> "grab $w; focus $w"
-       bind $w <Key-Escape> "destroy $w"
-       bind_button3 $w.vers "tk_popup $w.ctxm %X %Y; grab $w; focus $w"
-       wm title $w "About [appname]"
-       tkwait window $w
-}
-
-proc do_options {} {
-       global repo_config global_config font_descs
-       global repo_config_new global_config_new
-
-       array unset repo_config_new
-       array unset global_config_new
-       foreach name [array names repo_config] {
-               set repo_config_new($name) $repo_config($name)
-       }
-       load_config 1
-       foreach name [array names repo_config] {
-               switch -- $name {
-               gui.diffcontext {continue}
-               }
-               set repo_config_new($name) $repo_config($name)
-       }
-       foreach name [array names global_config] {
-               set global_config_new($name) $global_config($name)
-       }
-
-       set w .options_editor
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text "Options" \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.restore -text {Restore Defaults} \
-               -font font_ui \
-               -command do_restore_defaults
-       pack $w.buttons.restore -side left
-       button $w.buttons.save -text Save \
-               -font font_ui \
-               -command [list do_save_config $w]
-       pack $w.buttons.save -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -font font_ui \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.repo -text "[reponame] Repository" \
-               -font font_ui
-       labelframe $w.global -text {Global (All Repositories)} \
-               -font font_ui
-       pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
-       pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
-
-       set optid 0
-       foreach option {
-               {t user.name {User Name}}
-               {t user.email {Email Address}}
-
-               {b merge.summary {Summarize Merge Commits}}
-               {i-1..5 merge.verbosity {Merge Verbosity}}
-
-               {b gui.trustmtime  {Trust File Modification Timestamps}}
-               {i-1..99 gui.diffcontext {Number of Diff Context Lines}}
-               {t gui.newbranchtemplate {New Branch Name Template}}
-               } {
-               set type [lindex $option 0]
-               set name [lindex $option 1]
-               set text [lindex $option 2]
-               incr optid
-               foreach f {repo global} {
-                       switch -glob -- $type {
-                       b {
-                               checkbutton $w.$f.$optid -text $text \
-                                       -variable ${f}_config_new($name) \
-                                       -onvalue true \
-                                       -offvalue false \
-                                       -font font_ui
-                               pack $w.$f.$optid -side top -anchor w
-                       }
-                       i-* {
-                               regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
-                               frame $w.$f.$optid
-                               label $w.$f.$optid.l -text "$text:" -font font_ui
-                               pack $w.$f.$optid.l -side left -anchor w -fill x
-                               spinbox $w.$f.$optid.v \
-                                       -textvariable ${f}_config_new($name) \
-                                       -from $min \
-                                       -to $max \
-                                       -increment 1 \
-                                       -width [expr {1 + [string length $max]}] \
-                                       -font font_ui
-                               bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
-                               pack $w.$f.$optid.v -side right -anchor e -padx 5
-                               pack $w.$f.$optid -side top -anchor w -fill x
-                       }
-                       t {
-                               frame $w.$f.$optid
-                               label $w.$f.$optid.l -text "$text:" -font font_ui
-                               entry $w.$f.$optid.v \
-                                       -borderwidth 1 \
-                                       -relief sunken \
-                                       -width 20 \
-                                       -textvariable ${f}_config_new($name) \
-                                       -font font_ui
-                               pack $w.$f.$optid.l -side left -anchor w
-                               pack $w.$f.$optid.v -side left -anchor w \
-                                       -fill x -expand 1 \
-                                       -padx 5
-                               pack $w.$f.$optid -side top -anchor w -fill x
-                       }
-                       }
-               }
-       }
-
-       set all_fonts [lsort [font families]]
-       foreach option $font_descs {
-               set name [lindex $option 0]
-               set font [lindex $option 1]
-               set text [lindex $option 2]
-
-               set global_config_new(gui.$font^^family) \
-                       [font configure $font -family]
-               set global_config_new(gui.$font^^size) \
-                       [font configure $font -size]
-
-               frame $w.global.$name
-               label $w.global.$name.l -text "$text:" -font font_ui
-               pack $w.global.$name.l -side left -anchor w -fill x
-               eval tk_optionMenu $w.global.$name.family \
-                       global_config_new(gui.$font^^family) \
-                       $all_fonts
-               spinbox $w.global.$name.size \
-                       -textvariable global_config_new(gui.$font^^size) \
-                       -from 2 -to 80 -increment 1 \
-                       -width 3 \
-                       -font font_ui
-               bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
-               pack $w.global.$name.size -side right -anchor e
-               pack $w.global.$name.family -side right -anchor e
-               pack $w.global.$name -side top -anchor w -fill x
-       }
-
-       bind $w <Visibility> "grab $w; focus $w"
-       bind $w <Key-Escape> "destroy $w"
-       wm title $w "[appname] ([reponame]): Options"
-       tkwait window $w
-}
-
-proc do_restore_defaults {} {
-       global font_descs default_config repo_config
-       global repo_config_new global_config_new
-
-       foreach name [array names default_config] {
-               set repo_config_new($name) $default_config($name)
-               set global_config_new($name) $default_config($name)
-       }
-
-       foreach option $font_descs {
-               set name [lindex $option 0]
-               set repo_config(gui.$name) $default_config(gui.$name)
-       }
-       apply_config
-
-       foreach option $font_descs {
-               set name [lindex $option 0]
-               set font [lindex $option 1]
-               set global_config_new(gui.$font^^family) \
-                       [font configure $font -family]
-               set global_config_new(gui.$font^^size) \
-                       [font configure $font -size]
-       }
-}
-
-proc do_save_config {w} {
-       if {[catch {save_config} err]} {
-               error_popup "Failed to completely save options:\n\n$err"
-       }
-       reshow_diff
-       destroy $w
-}
-
-proc do_windows_shortcut {} {
-       global argv0
+               set save [gitdir GITGUI_MSG]
+               if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
+                       file rename -force [gitdir GITGUI_BCK] $save
+                       set GITGUI_BCK_exists 0
+               } else {
+                       set msg [string trim [$ui_comm get 0.0 end]]
+                       regsub -all -line {[ \r\t]+$} $msg {} msg
+                       if {(![string match amend* $commit_type]
+                               || [$ui_comm edit modified])
+                               && $msg ne {}} {
+                               catch {
+                                       set fd [open $save w]
+                                       puts -nonewline $fd $msg
+                                       close $fd
+                               }
+                       } else {
+                               catch {file delete $save}
+                       }
+               }
 
 
-       set fn [tk_getSaveFile \
-               -parent . \
-               -title "[appname] ([reponame]): Create Desktop Icon" \
-               -initialfile "Git [reponame].bat"]
-       if {$fn != {}} {
-               if {[catch {
-                               set fd [open $fn w]
-                               puts $fd "@ECHO Entering [reponame]"
-                               puts $fd "@ECHO Starting git-gui... please wait..."
-                               puts $fd "@SET PATH=[file normalize [gitexec]];%PATH%"
-                               puts $fd "@SET GIT_DIR=[file normalize [gitdir]]"
-                               puts -nonewline $fd "@\"[info nameofexecutable]\""
-                               puts $fd " \"[file normalize $argv0]\""
-                               close $fd
-                       } err]} {
-                       error_popup "Cannot write script:\n\n$err"
+               # -- Cancel our spellchecker if its running.
+               #
+               if {[info exists ui_comm_spell]} {
+                       $ui_comm_spell stop
                }
                }
-       }
-}
 
 
-proc do_cygwin_shortcut {} {
-       global argv0
+               # -- Remove our editor backup, its not needed.
+               #
+               after cancel $GITGUI_BCK_i
+               if {$GITGUI_BCK_exists} {
+                       catch {file delete [gitdir GITGUI_BCK]}
+               }
 
 
-       if {[catch {
-               set desktop [exec cygpath \
-                       --windows \
-                       --absolute \
-                       --long-name \
-                       --desktop]
-               }]} {
-                       set desktop .
-       }
-       set fn [tk_getSaveFile \
-               -parent . \
-               -title "[appname] ([reponame]): Create Desktop Icon" \
-               -initialdir $desktop \
-               -initialfile "Git [reponame].bat"]
-       if {$fn != {}} {
-               if {[catch {
-                               set fd [open $fn w]
-                               set sh [exec cygpath \
-                                       --windows \
-                                       --absolute \
-                                       /bin/sh]
-                               set me [exec cygpath \
-                                       --unix \
-                                       --absolute \
-                                       $argv0]
-                               set gd [exec cygpath \
-                                       --unix \
-                                       --absolute \
-                                       [gitdir]]
-                               set gw [exec cygpath \
-                                       --windows \
-                                       --absolute \
-                                       [file dirname [gitdir]]]
-                               regsub -all ' $me "'\\''" me
-                               regsub -all ' $gd "'\\''" gd
-                               puts $fd "@ECHO Entering $gw"
-                               puts $fd "@ECHO Starting git-gui... please wait..."
-                               puts -nonewline $fd "@\"$sh\" --login -c \""
-                               puts -nonewline $fd "GIT_DIR='$gd'"
-                               puts -nonewline $fd " '$me'"
-                               puts $fd "&\""
-                               close $fd
-                       } err]} {
-                       error_popup "Cannot write script:\n\n$err"
+               # -- Stash our current window geometry into this repository.
+               #
+               set cfg_geometry [list]
+               lappend cfg_geometry [wm geometry .]
+               lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
+               lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
+               if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
+                       set rc_geometry {}
+               }
+               if {$cfg_geometry ne $rc_geometry} {
+                       catch {git config gui.geometry $cfg_geometry}
                }
        }
                }
        }
-}
 
 
-proc do_macosx_app {} {
-       global argv0 env
+       destroy .
+}
 
 
-       set fn [tk_getSaveFile \
-               -parent . \
-               -title "[appname] ([reponame]): Create Desktop Icon" \
-               -initialdir [file join $env(HOME) Desktop] \
-               -initialfile "Git [reponame].app"]
-       if {$fn != {}} {
-               if {[catch {
-                               set Contents [file join $fn Contents]
-                               set MacOS [file join $Contents MacOS]
-                               set exe [file join $MacOS git-gui]
-
-                               file mkdir $MacOS
-
-                               set fd [open [file join $Contents Info.plist] w]
-                               puts $fd {<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-       <key>CFBundleDevelopmentRegion</key>
-       <string>English</string>
-       <key>CFBundleExecutable</key>
-       <string>git-gui</string>
-       <key>CFBundleIdentifier</key>
-       <string>org.spearce.git-gui</string>
-       <key>CFBundleInfoDictionaryVersion</key>
-       <string>6.0</string>
-       <key>CFBundlePackageType</key>
-       <string>APPL</string>
-       <key>CFBundleSignature</key>
-       <string>????</string>
-       <key>CFBundleVersion</key>
-       <string>1.0</string>
-       <key>NSPrincipalClass</key>
-       <string>NSApplication</string>
-</dict>
-</plist>}
-                               close $fd
-
-                               set fd [open $exe w]
-                               set gd [file normalize [gitdir]]
-                               set ep [file normalize [gitexec]]
-                               regsub -all ' $gd "'\\''" gd
-                               regsub -all ' $ep "'\\''" ep
-                               puts $fd "#!/bin/sh"
-                               foreach name [array names env] {
-                                       if {[string match GIT_* $name]} {
-                                               regsub -all ' $env($name) "'\\''" v
-                                               puts $fd "export $name='$v'"
-                                       }
-                               }
-                               puts $fd "export PATH='$ep':\$PATH"
-                               puts $fd "export GIT_DIR='$gd'"
-                               puts $fd "exec [file normalize $argv0]"
-                               close $fd
+proc do_rescan {} {
+       rescan ui_ready
+}
 
 
-                               file attributes $exe -permissions u+x,g+x,o+x
-                       } err]} {
-                       error_popup "Cannot write icon:\n\n$err"
-               }
-       }
+proc do_commit {} {
+       commit_tree
 }
 
 proc toggle_or_diff {w x y} {
 }
 
 proc toggle_or_diff {w x y} {
@@ -4901,12 +1779,12 @@ proc toggle_or_diff {w x y} {
                        update_indexinfo \
                                "Unstaging [short_path $path] from commit" \
                                [list $path] \
                        update_indexinfo \
                                "Unstaging [short_path $path] from commit" \
                                [list $path] \
-                               [concat $after {set ui_status_value {Ready.}}]
+                               [concat $after [list ui_ready]]
                } elseif {$w eq $ui_workdir} {
                        update_index \
                                "Adding [short_path $path]" \
                                [list $path] \
                } elseif {$w eq $ui_workdir} {
                        update_index \
                                "Adding [short_path $path]" \
                                [list $path] \
-                               [concat $after {set ui_status_value {Ready.}}]
+                               [concat $after [list ui_ready]]
                }
        } else {
                show_diff $path $w $lno
                }
        } else {
                show_diff $path $w $lno
@@ -4970,128 +1848,26 @@ proc add_range_to_selection {w x y} {
 
 ######################################################################
 ##
 
 ######################################################################
 ##
-## config defaults
-
-set cursor_ptr arrow
-font create font_diff -family Courier -size 10
-font create font_ui
-catch {
-       label .dummy
-       eval font configure font_ui [font actual [.dummy cget -font]]
-       destroy .dummy
-}
-
-font create font_uibold
-font create font_diffbold
-
-if {[is_Windows]} {
-       set M1B Control
-       set M1T Ctrl
-} elseif {[is_MacOSX]} {
-       set M1B M1
-       set M1T Cmd
-} else {
-       set M1B M1
-       set M1T M1
-}
-
-proc apply_config {} {
-       global repo_config font_descs
-
-       foreach option $font_descs {
-               set name [lindex $option 0]
-               set font [lindex $option 1]
-               if {[catch {
-                       foreach {cn cv} $repo_config(gui.$name) {
-                               font configure $font $cn $cv
-                       }
-                       } err]} {
-                       error_popup "Invalid font specified in gui.$name:\n\n$err"
-               }
-               foreach {cn cv} [font configure $font] {
-                       font configure ${font}bold $cn $cv
-               }
-               font configure ${font}bold -weight bold
-       }
-}
-
-set default_config(merge.summary) false
-set default_config(merge.verbosity) 2
-set default_config(user.name) {}
-set default_config(user.email) {}
+## ui construction
 
 
-set default_config(gui.trustmtime) false
-set default_config(gui.diffcontext) 5
-set default_config(gui.newbranchtemplate) {}
-set default_config(gui.fontui) [font configure font_ui]
-set default_config(gui.fontdiff) [font configure font_diff]
-set font_descs {
-       {fontui   font_ui   {Main Font}}
-       {fontdiff font_diff {Diff/Console Font}}
-}
 load_config 0
 apply_config
 load_config 0
 apply_config
-
-######################################################################
-##
-## feature option selection
-
-if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
-       unset _junk
-} else {
-       set subcommand gui
-}
-if {$subcommand eq {gui.sh}} {
-       set subcommand gui
-}
-if {$subcommand eq {gui} && [llength $argv] > 0} {
-       set subcommand [lindex $argv 0]
-       set argv [lrange $argv 1 end]
-}
-
-enable_option multicommit
-enable_option branch
-enable_option transport
-
-switch -- $subcommand {
---version -
-version -
-browser -
-blame {
-       disable_option multicommit
-       disable_option branch
-       disable_option transport
-}
-citool {
-       enable_option singlecommit
-
-       disable_option multicommit
-       disable_option branch
-       disable_option transport
-}
-}
-
-######################################################################
-##
-## ui construction
-
 set ui_comm {}
 
 # -- Menu Bar
 #
 menu .mbar -tearoff 0
 set ui_comm {}
 
 # -- Menu Bar
 #
 menu .mbar -tearoff 0
-.mbar add cascade -label Repository -menu .mbar.repository
-.mbar add cascade -label Edit -menu .mbar.edit
+.mbar add cascade -label [mc Repository] -menu .mbar.repository
+.mbar add cascade -label [mc Edit] -menu .mbar.edit
 if {[is_enabled branch]} {
 if {[is_enabled branch]} {
-       .mbar add cascade -label Branch -menu .mbar.branch
+       .mbar add cascade -label [mc Branch] -menu .mbar.branch
 }
 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
 }
 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
-       .mbar add cascade -label Commit -menu .mbar.commit
+       .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
 }
 if {[is_enabled transport]} {
 }
 if {[is_enabled transport]} {
-       .mbar add cascade -label Merge -menu .mbar.merge
-       .mbar add cascade -label Fetch -menu .mbar.fetch
-       .mbar add cascade -label Push -menu .mbar.push
+       .mbar add cascade -label [mc Merge] -menu .mbar.merge
+       .mbar add cascade -label [mc Remote] -menu .mbar.remote
 }
 . configure -menu .mbar
 
 }
 . configure -menu .mbar
 
@@ -5100,116 +1876,119 @@ if {[is_enabled transport]} {
 menu .mbar.repository
 
 .mbar.repository add command \
 menu .mbar.repository
 
 .mbar.repository add command \
-       -label {Browse Current Branch} \
-       -command {new_browser $current_branch} \
-       -font font_ui
-trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$current_branch\" ;#"
+       -label [mc "Browse Current Branch's Files"] \
+       -command {browser::new $current_branch}
+set ui_browse_current [.mbar.repository index last]
+.mbar.repository add command \
+       -label [mc "Browse Branch Files..."] \
+       -command browser_open::dialog
 .mbar.repository add separator
 
 .mbar.repository add command \
 .mbar.repository add separator
 
 .mbar.repository add command \
-       -label {Visualize Current Branch} \
-       -command {do_gitk $current_branch} \
-       -font font_ui
-trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
+       -label [mc "Visualize Current Branch's History"] \
+       -command {do_gitk $current_branch}
+set ui_visualize_current [.mbar.repository index last]
 .mbar.repository add command \
 .mbar.repository add command \
-       -label {Visualize All Branches} \
-       -command {do_gitk --all} \
-       -font font_ui
+       -label [mc "Visualize All Branch History"] \
+       -command {do_gitk --all}
 .mbar.repository add separator
 
 .mbar.repository add separator
 
+proc current_branch_write {args} {
+       global current_branch
+       .mbar.repository entryconf $::ui_browse_current \
+               -label [mc "Browse %s's Files" $current_branch]
+       .mbar.repository entryconf $::ui_visualize_current \
+               -label [mc "Visualize %s's History" $current_branch]
+}
+trace add variable current_branch write current_branch_write
+
 if {[is_enabled multicommit]} {
 if {[is_enabled multicommit]} {
-       .mbar.repository add command -label {Database Statistics} \
-               -command do_stats \
-               -font font_ui
+       .mbar.repository add command -label [mc "Database Statistics"] \
+               -command do_stats
 
 
-       .mbar.repository add command -label {Compress Database} \
-               -command do_gc \
-               -font font_ui
+       .mbar.repository add command -label [mc "Compress Database"] \
+               -command do_gc
 
 
-       .mbar.repository add command -label {Verify Database} \
-               -command do_fsck_objects \
-               -font font_ui
+       .mbar.repository add command -label [mc "Verify Database"] \
+               -command do_fsck_objects
 
        .mbar.repository add separator
 
        if {[is_Cygwin]} {
                .mbar.repository add command \
 
        .mbar.repository add separator
 
        if {[is_Cygwin]} {
                .mbar.repository add command \
-                       -label {Create Desktop Icon} \
-                       -command do_cygwin_shortcut \
-                       -font font_ui
+                       -label [mc "Create Desktop Icon"] \
+                       -command do_cygwin_shortcut
        } elseif {[is_Windows]} {
                .mbar.repository add command \
        } elseif {[is_Windows]} {
                .mbar.repository add command \
-                       -label {Create Desktop Icon} \
-                       -command do_windows_shortcut \
-                       -font font_ui
+                       -label [mc "Create Desktop Icon"] \
+                       -command do_windows_shortcut
        } elseif {[is_MacOSX]} {
                .mbar.repository add command \
        } elseif {[is_MacOSX]} {
                .mbar.repository add command \
-                       -label {Create Desktop Icon} \
-                       -command do_macosx_app \
-                       -font font_ui
+                       -label [mc "Create Desktop Icon"] \
+                       -command do_macosx_app
        }
 }
 
        }
 }
 
-.mbar.repository add command -label Quit \
+.mbar.repository add command -label [mc Quit] \
        -command do_quit \
        -command do_quit \
-       -accelerator $M1T-Q \
-       -font font_ui
+       -accelerator $M1T-Q
 
 # -- Edit Menu
 #
 menu .mbar.edit
 
 # -- Edit Menu
 #
 menu .mbar.edit
-.mbar.edit add command -label Undo \
+.mbar.edit add command -label [mc Undo] \
        -command {catch {[focus] edit undo}} \
        -command {catch {[focus] edit undo}} \
-       -accelerator $M1T-Z \
-       -font font_ui
-.mbar.edit add command -label Redo \
+       -accelerator $M1T-Z
+.mbar.edit add command -label [mc Redo] \
        -command {catch {[focus] edit redo}} \
        -command {catch {[focus] edit redo}} \
-       -accelerator $M1T-Y \
-       -font font_ui
+       -accelerator $M1T-Y
 .mbar.edit add separator
 .mbar.edit add separator
-.mbar.edit add command -label Cut \
+.mbar.edit add command -label [mc Cut] \
        -command {catch {tk_textCut [focus]}} \
        -command {catch {tk_textCut [focus]}} \
-       -accelerator $M1T-X \
-       -font font_ui
-.mbar.edit add command -label Copy \
+       -accelerator $M1T-X
+.mbar.edit add command -label [mc Copy] \
        -command {catch {tk_textCopy [focus]}} \
        -command {catch {tk_textCopy [focus]}} \
-       -accelerator $M1T-C \
-       -font font_ui
-.mbar.edit add command -label Paste \
+       -accelerator $M1T-C
+.mbar.edit add command -label [mc Paste] \
        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
-       -accelerator $M1T-V \
-       -font font_ui
-.mbar.edit add command -label Delete \
+       -accelerator $M1T-V
+.mbar.edit add command -label [mc Delete] \
        -command {catch {[focus] delete sel.first sel.last}} \
        -command {catch {[focus] delete sel.first sel.last}} \
-       -accelerator Del \
-       -font font_ui
+       -accelerator Del
 .mbar.edit add separator
 .mbar.edit add separator
-.mbar.edit add command -label {Select All} \
+.mbar.edit add command -label [mc "Select All"] \
        -command {catch {[focus] tag add sel 0.0 end}} \
        -command {catch {[focus] tag add sel 0.0 end}} \
-       -accelerator $M1T-A \
-       -font font_ui
+       -accelerator $M1T-A
 
 # -- Branch Menu
 #
 if {[is_enabled branch]} {
        menu .mbar.branch
 
 
 # -- Branch Menu
 #
 if {[is_enabled branch]} {
        menu .mbar.branch
 
-       .mbar.branch add command -label {Create...} \
-               -command do_create_branch \
-               -accelerator $M1T-N \
-               -font font_ui
+       .mbar.branch add command -label [mc "Create..."] \
+               -command branch_create::dialog \
+               -accelerator $M1T-N
+       lappend disable_on_lock [list .mbar.branch entryconf \
+               [.mbar.branch index last] -state]
+
+       .mbar.branch add command -label [mc "Checkout..."] \
+               -command branch_checkout::dialog \
+               -accelerator $M1T-O
+       lappend disable_on_lock [list .mbar.branch entryconf \
+               [.mbar.branch index last] -state]
+
+       .mbar.branch add command -label [mc "Rename..."] \
+               -command branch_rename::dialog
        lappend disable_on_lock [list .mbar.branch entryconf \
                [.mbar.branch index last] -state]
 
        lappend disable_on_lock [list .mbar.branch entryconf \
                [.mbar.branch index last] -state]
 
-       .mbar.branch add command -label {Delete...} \
-               -command do_delete_branch \
-               -font font_ui
+       .mbar.branch add command -label [mc "Delete..."] \
+               -command branch_delete::dialog
        lappend disable_on_lock [list .mbar.branch entryconf \
                [.mbar.branch index last] -state]
 
        lappend disable_on_lock [list .mbar.branch entryconf \
                [.mbar.branch index last] -state]
 
-       .mbar.branch add command -label {Reset...} \
-               -command do_reset_hard \
-               -font font_ui
+       .mbar.branch add command -label [mc "Reset..."] \
+               -command merge::reset_hard
        lappend disable_on_lock [list .mbar.branch entryconf \
                [.mbar.branch index last] -state]
 }
        lappend disable_on_lock [list .mbar.branch entryconf \
                [.mbar.branch index last] -state]
 }
@@ -5220,68 +1999,60 @@ if {[is_enabled multicommit] || [is_enabled singlecommit]} {
        menu .mbar.commit
 
        .mbar.commit add radiobutton \
        menu .mbar.commit
 
        .mbar.commit add radiobutton \
-               -label {New Commit} \
+               -label [mc "New Commit"] \
                -command do_select_commit_type \
                -variable selected_commit_type \
                -command do_select_commit_type \
                -variable selected_commit_type \
-               -value new \
-               -font font_ui
+               -value new
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        .mbar.commit add radiobutton \
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        .mbar.commit add radiobutton \
-               -label {Amend Last Commit} \
+               -label [mc "Amend Last Commit"] \
                -command do_select_commit_type \
                -variable selected_commit_type \
                -command do_select_commit_type \
                -variable selected_commit_type \
-               -value amend \
-               -font font_ui
+               -value amend
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        .mbar.commit add separator
 
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        .mbar.commit add separator
 
-       .mbar.commit add command -label Rescan \
+       .mbar.commit add command -label [mc Rescan] \
                -command do_rescan \
                -command do_rescan \
-               -accelerator F5 \
-               -font font_ui
+               -accelerator F5
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-       .mbar.commit add command -label {Add To Commit} \
+       .mbar.commit add command -label [mc "Stage To Commit"] \
                -command do_add_selection \
                -command do_add_selection \
-               -font font_ui
+               -accelerator $M1T-T
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-       .mbar.commit add command -label {Add Existing To Commit} \
+       .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
                -command do_add_all \
                -command do_add_all \
-               -accelerator $M1T-I \
-               -font font_ui
+               -accelerator $M1T-I
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-       .mbar.commit add command -label {Unstage From Commit} \
-               -command do_unstage_selection \
-               -font font_ui
+       .mbar.commit add command -label [mc "Unstage From Commit"] \
+               -command do_unstage_selection
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-       .mbar.commit add command -label {Revert Changes} \
-               -command do_revert_selection \
-               -font font_ui
+       .mbar.commit add command -label [mc "Revert Changes"] \
+               -command do_revert_selection
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        .mbar.commit add separator
 
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
        .mbar.commit add separator
 
-       .mbar.commit add command -label {Sign Off} \
+       .mbar.commit add command -label [mc "Sign Off"] \
                -command do_signoff \
                -command do_signoff \
-               -accelerator $M1T-S \
-               -font font_ui
+               -accelerator $M1T-S
 
 
-       .mbar.commit add command -label Commit \
+       .mbar.commit add command -label [mc Commit@@verb] \
                -command do_commit \
                -command do_commit \
-               -accelerator $M1T-Return \
-               -font font_ui
+               -accelerator $M1T-Return
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 }
        lappend disable_on_lock \
                [list .mbar.commit entryconf [.mbar.commit index last] -state]
 }
@@ -5290,90 +2061,61 @@ if {[is_enabled multicommit] || [is_enabled singlecommit]} {
 #
 if {[is_enabled branch]} {
        menu .mbar.merge
 #
 if {[is_enabled branch]} {
        menu .mbar.merge
-       .mbar.merge add command -label {Local Merge...} \
-               -command do_local_merge \
-               -font font_ui
+       .mbar.merge add command -label [mc "Local Merge..."] \
+               -command merge::dialog \
+               -accelerator $M1T-M
        lappend disable_on_lock \
                [list .mbar.merge entryconf [.mbar.merge index last] -state]
        lappend disable_on_lock \
                [list .mbar.merge entryconf [.mbar.merge index last] -state]
-       .mbar.merge add command -label {Abort Merge...} \
-               -command do_reset_hard \
-               -font font_ui
+       .mbar.merge add command -label [mc "Abort Merge..."] \
+               -command merge::reset_hard
        lappend disable_on_lock \
                [list .mbar.merge entryconf [.mbar.merge index last] -state]
        lappend disable_on_lock \
                [list .mbar.merge entryconf [.mbar.merge index last] -state]
-
 }
 
 # -- Transport Menu
 #
 if {[is_enabled transport]} {
 }
 
 # -- Transport Menu
 #
 if {[is_enabled transport]} {
-       menu .mbar.fetch
+       menu .mbar.remote
 
 
-       menu .mbar.push
-       .mbar.push add command -label {Push...} \
+       .mbar.remote add command \
+               -label [mc "Push..."] \
                -command do_push_anywhere \
                -command do_push_anywhere \
-               -font font_ui
+               -accelerator $M1T-P
+       .mbar.remote add command \
+               -label [mc "Delete..."] \
+               -command remote_branch_delete::dialog
 }
 
 if {[is_MacOSX]} {
        # -- Apple Menu (Mac OS X only)
        #
 }
 
 if {[is_MacOSX]} {
        # -- Apple Menu (Mac OS X only)
        #
-       .mbar add cascade -label Apple -menu .mbar.apple
+       .mbar add cascade -label [mc Apple] -menu .mbar.apple
        menu .mbar.apple
 
        menu .mbar.apple
 
-       .mbar.apple add command -label "About [appname]" \
-               -command do_about \
-               -font font_ui
-       .mbar.apple add command -label "Options..." \
+       .mbar.apple add command -label [mc "About %s" [appname]] \
+               -command do_about
+       .mbar.apple add separator
+       .mbar.apple add command \
+               -label [mc "Preferences..."] \
                -command do_options \
                -command do_options \
-               -font font_ui
+               -accelerator $M1T-,
+       bind . <$M1B-,> do_options
 } else {
        # -- Edit Menu
        #
        .mbar.edit add separator
 } else {
        # -- Edit Menu
        #
        .mbar.edit add separator
-       .mbar.edit add command -label {Options...} \
-               -command do_options \
-               -font font_ui
-
-       # -- Tools Menu
-       #
-       if {[file exists /usr/local/miga/lib/gui-miga]
-               && [file exists .pvcsrc]} {
-       proc do_miga {} {
-               global ui_status_value
-               if {![lock_index update]} return
-               set cmd [list sh --login -c "/usr/local/miga/lib/gui-miga \"[pwd]\""]
-               set miga_fd [open "|$cmd" r]
-               fconfigure $miga_fd -blocking 0
-               fileevent $miga_fd readable [list miga_done $miga_fd]
-               set ui_status_value {Running miga...}
-       }
-       proc miga_done {fd} {
-               read $fd 512
-               if {[eof $fd]} {
-                       close $fd
-                       unlock_index
-                       rescan [list set ui_status_value {Ready.}]
-               }
-       }
-       .mbar add cascade -label Tools -menu .mbar.tools
-       menu .mbar.tools
-       .mbar.tools add command -label "Migrate" \
-               -command do_miga \
-               -font font_ui
-       lappend disable_on_lock \
-               [list .mbar.tools entryconf [.mbar.tools index last] -state]
-       }
+       .mbar.edit add command -label [mc "Options..."] \
+               -command do_options
 }
 
 # -- Help Menu
 #
 }
 
 # -- Help Menu
 #
-.mbar add cascade -label Help -menu .mbar.help
+.mbar add cascade -label [mc Help] -menu .mbar.help
 menu .mbar.help
 
 if {![is_MacOSX]} {
 menu .mbar.help
 
 if {![is_MacOSX]} {
-       .mbar.help add command -label "About [appname]" \
-               -command do_about \
-               -font font_ui
+       .mbar.help add command -label [mc "About %s" [appname]] \
+               -command do_about
 }
 
 set browser {}
 }
 
 set browser {}
@@ -5409,51 +2151,104 @@ if {[file isfile $doc_path]} {
 }
 
 if {$browser ne {}} {
 }
 
 if {$browser ne {}} {
-       .mbar.help add command -label {Online Documentation} \
-               -command [list exec $browser $doc_url &] \
-               -font font_ui
+       .mbar.help add command -label [mc "Online Documentation"] \
+               -command [list exec $browser $doc_url &]
 }
 unset browser doc_path doc_url
 
 # -- Standard bindings
 #
 }
 unset browser doc_path doc_url
 
 # -- Standard bindings
 #
-bind .   <Destroy> do_quit
+wm protocol . WM_DELETE_WINDOW do_quit
 bind all <$M1B-Key-q> do_quit
 bind all <$M1B-Key-Q> do_quit
 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
 
 bind all <$M1B-Key-q> do_quit
 bind all <$M1B-Key-Q> do_quit
 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
 
+set subcommand_args {}
+proc usage {} {
+       puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
+       exit 1
+}
+
 # -- Not a normal commit type invocation?  Do that instead!
 #
 switch -- $subcommand {
 # -- Not a normal commit type invocation?  Do that instead!
 #
 switch -- $subcommand {
---version -
-version {
-       puts "git-gui version $appvers"
-       exit
-}
-browser {
-       if {[llength $argv] != 1} {
-               puts stderr "usage: $argv0 browser commit"
-               exit 1
-       }
-       set current_branch [lindex $argv 0]
-       new_browser $current_branch
-       return
-}
+browser -
 blame {
 blame {
-       if {[llength $argv] != 2} {
-               puts stderr "usage: $argv0 blame commit path"
-               exit 1
+       set subcommand_args {rev? path}
+       if {$argv eq {}} usage
+       set head {}
+       set path {}
+       set is_path 0
+       foreach a $argv {
+               if {$is_path || [file exists $_prefix$a]} {
+                       if {$path ne {}} usage
+                       set path $_prefix$a
+                       break
+               } elseif {$a eq {--}} {
+                       if {$path ne {}} {
+                               if {$head ne {}} usage
+                               set head $path
+                               set path {}
+                       }
+                       set is_path 1
+               } elseif {$head eq {}} {
+                       if {$head ne {}} usage
+                       set head $a
+                       set is_path 1
+               } else {
+                       usage
+               }
+       }
+       unset is_path
+
+       if {$head ne {} && $path eq {}} {
+               set path $_prefix$head
+               set head {}
+       }
+
+       if {$head eq {}} {
+               load_current_branch
+       } else {
+               if {[regexp {^[0-9a-f]{1,39}$} $head]} {
+                       if {[catch {
+                                       set head [git rev-parse --verify $head]
+                               } err]} {
+                               puts stderr $err
+                               exit 1
+                       }
+               }
+               set current_branch $head
+       }
+
+       switch -- $subcommand {
+       browser {
+               if {$head eq {}} {
+                       if {$path ne {} && [file isdirectory $path]} {
+                               set head $current_branch
+                       } else {
+                               set head $path
+                               set path {}
+                       }
+               }
+               browser::new $head $path
+       }
+       blame   {
+               if {$head eq {} && ![file exists $path]} {
+                       puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
+                       exit 1
+               }
+               blame::new $head $path
+       }
        }
        }
-       set current_branch [lindex $argv 0]
-       show_blame $current_branch [lindex $argv 1]
        return
 }
 citool -
 gui {
        if {[llength $argv] != 0} {
                puts -nonewline stderr "usage: $argv0"
        return
 }
 citool -
 gui {
        if {[llength $argv] != 0} {
                puts -nonewline stderr "usage: $argv0"
-               if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
+               if {$subcommand ne {gui}
+                       && [file tail $argv0] ne "git-$subcommand"} {
                        puts -nonewline stderr " $subcommand"
                }
                puts stderr {}
                        puts -nonewline stderr " $subcommand"
                }
                puts stderr {}
@@ -5473,36 +2268,33 @@ frame .branch \
        -borderwidth 1 \
        -relief sunken
 label .branch.l1 \
        -borderwidth 1 \
        -relief sunken
 label .branch.l1 \
-       -text {Current Branch:} \
+       -text [mc "Current Branch:"] \
        -anchor w \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 label .branch.cb \
        -textvariable current_branch \
        -anchor w \
 label .branch.cb \
        -textvariable current_branch \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 pack .branch.l1 -side left
 pack .branch.cb -side left -fill x
 pack .branch -side top -fill x
 
 # -- Main Window Layout
 #
 pack .branch.l1 -side left
 pack .branch.cb -side left -fill x
 pack .branch -side top -fill x
 
 # -- Main Window Layout
 #
-panedwindow .vpane -orient vertical
-panedwindow .vpane.files -orient horizontal
+panedwindow .vpane -orient horizontal
+panedwindow .vpane.files -orient vertical
 .vpane add .vpane.files -sticky nsew -height 100 -width 200
 pack .vpane -anchor n -side top -fill both -expand 1
 
 # -- Index File List
 #
 frame .vpane.files.index -height 100 -width 200
 .vpane add .vpane.files -sticky nsew -height 100 -width 200
 pack .vpane -anchor n -side top -fill both -expand 1
 
 # -- Index File List
 #
 frame .vpane.files.index -height 100 -width 200
-label .vpane.files.index.title -text {Changes To Be Committed} \
-       -background green \
-       -font font_ui
-text $ui_index -background white -borderwidth 0 \
+label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
+       -background lightgreen -foreground black
+text $ui_index -background white -foreground black \
+       -borderwidth 0 \
        -width 20 -height 10 \
        -wrap none \
        -width 20 -height 10 \
        -wrap none \
-       -font font_ui \
        -cursor $cursor_ptr \
        -xscrollcommand {.vpane.files.index.sx set} \
        -yscrollcommand {.vpane.files.index.sy set} \
        -cursor $cursor_ptr \
        -xscrollcommand {.vpane.files.index.sx set} \
        -yscrollcommand {.vpane.files.index.sy set} \
@@ -5513,18 +2305,16 @@ pack .vpane.files.index.title -side top -fill x
 pack .vpane.files.index.sx -side bottom -fill x
 pack .vpane.files.index.sy -side right -fill y
 pack $ui_index -side left -fill both -expand 1
 pack .vpane.files.index.sx -side bottom -fill x
 pack .vpane.files.index.sy -side right -fill y
 pack $ui_index -side left -fill both -expand 1
-.vpane.files add .vpane.files.index -sticky nsew
 
 # -- Working Directory File List
 #
 frame .vpane.files.workdir -height 100 -width 200
 
 # -- Working Directory File List
 #
 frame .vpane.files.workdir -height 100 -width 200
-label .vpane.files.workdir.title -text {Changed But Not Updated} \
-       -background red \
-       -font font_ui
-text $ui_workdir -background white -borderwidth 0 \
+label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
+       -background lightsalmon -foreground black
+text $ui_workdir -background white -foreground black \
+       -borderwidth 0 \
        -width 20 -height 10 \
        -wrap none \
        -width 20 -height 10 \
        -wrap none \
-       -font font_ui \
        -cursor $cursor_ptr \
        -xscrollcommand {.vpane.files.workdir.sx set} \
        -yscrollcommand {.vpane.files.workdir.sy set} \
        -cursor $cursor_ptr \
        -xscrollcommand {.vpane.files.workdir.sx set} \
        -yscrollcommand {.vpane.files.workdir.sy set} \
@@ -5535,13 +2325,13 @@ pack .vpane.files.workdir.title -side top -fill x
 pack .vpane.files.workdir.sx -side bottom -fill x
 pack .vpane.files.workdir.sy -side right -fill y
 pack $ui_workdir -side left -fill both -expand 1
 pack .vpane.files.workdir.sx -side bottom -fill x
 pack .vpane.files.workdir.sy -side right -fill y
 pack $ui_workdir -side left -fill both -expand 1
+
 .vpane.files add .vpane.files.workdir -sticky nsew
 .vpane.files add .vpane.files.workdir -sticky nsew
+.vpane.files add .vpane.files.index -sticky nsew
 
 foreach i [list $ui_index $ui_workdir] {
 
 foreach i [list $ui_index $ui_workdir] {
-       $i tag conf in_diff -font font_uibold
-       $i tag conf in_sel \
-               -background [$i cget -foreground] \
-               -foreground [$i cget -background]
+       rmsel_tag $i
+       $i tag conf in_diff -background [$i tag cget in_sel -background]
 }
 unset i
 
 }
 unset i
 
@@ -5550,8 +2340,8 @@ unset i
 frame .vpane.lower -height 300 -width 400
 frame .vpane.lower.commarea
 frame .vpane.lower.diff -relief sunken -borderwidth 1
 frame .vpane.lower -height 300 -width 400
 frame .vpane.lower.commarea
 frame .vpane.lower.diff -relief sunken -borderwidth 1
-pack .vpane.lower.commarea -side top -fill x
-pack .vpane.lower.diff -side bottom -fill both -expand 1
+pack .vpane.lower.diff -fill both -expand 1
+pack .vpane.lower.commarea -side bottom -fill x
 .vpane add .vpane.lower -sticky nsew
 
 # -- Commit Area Buttons
 .vpane add .vpane.lower -sticky nsew
 
 # -- Commit Area Buttons
@@ -5559,37 +2349,36 @@ pack .vpane.lower.diff -side bottom -fill both -expand 1
 frame .vpane.lower.commarea.buttons
 label .vpane.lower.commarea.buttons.l -text {} \
        -anchor w \
 frame .vpane.lower.commarea.buttons
 label .vpane.lower.commarea.buttons.l -text {} \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 pack .vpane.lower.commarea.buttons.l -side top -fill x
 pack .vpane.lower.commarea.buttons -side left -fill y
 
 pack .vpane.lower.commarea.buttons.l -side top -fill x
 pack .vpane.lower.commarea.buttons -side left -fill y
 
-button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
-       -command do_rescan \
-       -font font_ui
+button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
+       -command do_rescan
 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
 lappend disable_on_lock \
        {.vpane.lower.commarea.buttons.rescan conf -state}
 
 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
 lappend disable_on_lock \
        {.vpane.lower.commarea.buttons.rescan conf -state}
 
-button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
-       -command do_add_all \
-       -font font_ui
+button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
+       -command do_add_all
 pack .vpane.lower.commarea.buttons.incall -side top -fill x
 lappend disable_on_lock \
        {.vpane.lower.commarea.buttons.incall conf -state}
 
 pack .vpane.lower.commarea.buttons.incall -side top -fill x
 lappend disable_on_lock \
        {.vpane.lower.commarea.buttons.incall conf -state}
 
-button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
-       -command do_signoff \
-       -font font_ui
+button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
+       -command do_signoff
 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
 
 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
 
-button .vpane.lower.commarea.buttons.commit -text {Commit} \
-       -command do_commit \
-       -font font_ui
+button .vpane.lower.commarea.buttons.commit -text [mc Commit@@verb] \
+       -command do_commit
 pack .vpane.lower.commarea.buttons.commit -side top -fill x
 lappend disable_on_lock \
        {.vpane.lower.commarea.buttons.commit conf -state}
 
 pack .vpane.lower.commarea.buttons.commit -side top -fill x
 lappend disable_on_lock \
        {.vpane.lower.commarea.buttons.commit conf -state}
 
+button .vpane.lower.commarea.buttons.push -text [mc Push] \
+       -command do_push_anywhere
+pack .vpane.lower.commarea.buttons.push -side top -fill x
+
 # -- Commit Message Buffer
 #
 frame .vpane.lower.commarea.buffer
 # -- Commit Message Buffer
 #
 frame .vpane.lower.commarea.buffer
@@ -5597,34 +2386,31 @@ frame .vpane.lower.commarea.buffer.header
 set ui_comm .vpane.lower.commarea.buffer.t
 set ui_coml .vpane.lower.commarea.buffer.header.l
 radiobutton .vpane.lower.commarea.buffer.header.new \
 set ui_comm .vpane.lower.commarea.buffer.t
 set ui_coml .vpane.lower.commarea.buffer.header.l
 radiobutton .vpane.lower.commarea.buffer.header.new \
-       -text {New Commit} \
+       -text [mc "New Commit"] \
        -command do_select_commit_type \
        -variable selected_commit_type \
        -command do_select_commit_type \
        -variable selected_commit_type \
-       -value new \
-       -font font_ui
+       -value new
 lappend disable_on_lock \
        [list .vpane.lower.commarea.buffer.header.new conf -state]
 radiobutton .vpane.lower.commarea.buffer.header.amend \
 lappend disable_on_lock \
        [list .vpane.lower.commarea.buffer.header.new conf -state]
 radiobutton .vpane.lower.commarea.buffer.header.amend \
-       -text {Amend Last Commit} \
+       -text [mc "Amend Last Commit"] \
        -command do_select_commit_type \
        -variable selected_commit_type \
        -command do_select_commit_type \
        -variable selected_commit_type \
-       -value amend \
-       -font font_ui
+       -value amend
 lappend disable_on_lock \
        [list .vpane.lower.commarea.buffer.header.amend conf -state]
 label $ui_coml \
        -anchor w \
 lappend disable_on_lock \
        [list .vpane.lower.commarea.buffer.header.amend conf -state]
 label $ui_coml \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 proc trace_commit_type {varname args} {
        global ui_coml commit_type
        switch -glob -- $commit_type {
 proc trace_commit_type {varname args} {
        global ui_coml commit_type
        switch -glob -- $commit_type {
-       initial       {set txt {Initial Commit Message:}}
-       amend         {set txt {Amended Commit Message:}}
-       amend-initial {set txt {Amended Initial Commit Message:}}
-       amend-merge   {set txt {Amended Merge Commit Message:}}
-       merge         {set txt {Merge Commit Message:}}
-       *             {set txt {Commit Message:}}
+       initial       {set txt [mc "Initial Commit Message:"]}
+       amend         {set txt [mc "Amended Commit Message:"]}
+       amend-initial {set txt [mc "Amended Initial Commit Message:"]}
+       amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
+       merge         {set txt [mc "Merge Commit Message:"]}
+       *             {set txt [mc "Commit Message:"]}
        }
        $ui_coml conf -text $txt
 }
        }
        $ui_coml conf -text $txt
 }
@@ -5633,12 +2419,13 @@ pack $ui_coml -side left -fill x
 pack .vpane.lower.commarea.buffer.header.amend -side right
 pack .vpane.lower.commarea.buffer.header.new -side right
 
 pack .vpane.lower.commarea.buffer.header.amend -side right
 pack .vpane.lower.commarea.buffer.header.new -side right
 
-text $ui_comm -background white -borderwidth 1 \
+text $ui_comm -background white -foreground black \
+       -borderwidth 1 \
        -undo true \
        -maxundo 20 \
        -autoseparators true \
        -relief sunken \
        -undo true \
        -maxundo 20 \
        -autoseparators true \
        -relief sunken \
-       -width 75 -height 9 -wrap none \
+       -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
        -font font_diff \
        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
 scrollbar .vpane.lower.commarea.buffer.sby \
        -font font_diff \
        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
 scrollbar .vpane.lower.commarea.buffer.sby \
@@ -5653,29 +2440,23 @@ pack .vpane.lower.commarea.buffer -side left -fill y
 set ctxm .vpane.lower.commarea.buffer.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
 set ctxm .vpane.lower.commarea.buffer.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
-       -label {Cut} \
-       -font font_ui \
+       -label [mc Cut] \
        -command {tk_textCut $ui_comm}
 $ctxm add command \
        -command {tk_textCut $ui_comm}
 $ctxm add command \
-       -label {Copy} \
-       -font font_ui \
+       -label [mc Copy] \
        -command {tk_textCopy $ui_comm}
 $ctxm add command \
        -command {tk_textCopy $ui_comm}
 $ctxm add command \
-       -label {Paste} \
-       -font font_ui \
+       -label [mc Paste] \
        -command {tk_textPaste $ui_comm}
 $ctxm add command \
        -command {tk_textPaste $ui_comm}
 $ctxm add command \
-       -label {Delete} \
-       -font font_ui \
+       -label [mc Delete] \
        -command {$ui_comm delete sel.first sel.last}
 $ctxm add separator
 $ctxm add command \
        -command {$ui_comm delete sel.first sel.last}
 $ctxm add separator
 $ctxm add command \
-       -label {Select All} \
-       -font font_ui \
+       -label [mc "Select All"] \
        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
 $ctxm add command \
        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
 $ctxm add command \
-       -label {Copy All} \
-       -font font_ui \
+       -label [mc "Copy All"] \
        -command {
                $ui_comm tag add sel 0.0 end
                tk_textCopy $ui_comm
        -command {
                $ui_comm tag add sel 0.0 end
                tk_textCopy $ui_comm
@@ -5683,10 +2464,9 @@ $ctxm add command \
        }
 $ctxm add separator
 $ctxm add command \
        }
 $ctxm add separator
 $ctxm add command \
-       -label {Sign Off} \
-       -font font_ui \
+       -label [mc "Sign Off"] \
        -command do_signoff
        -command do_signoff
-bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
+set ui_comm_ctxm $ctxm
 
 # -- Diff Header
 #
 
 # -- Diff Header
 #
@@ -5700,7 +2480,7 @@ proc trace_current_diff_path {varname args} {
        } else {
                set p $current_diff_path
                set s [mapdesc [lindex $file_states($p) 0] $p]
        } else {
                set p $current_diff_path
                set s [mapdesc [lindex $file_states($p) 0] $p]
-               set f {File:}
+               set f [mc "File:"]
                set p [escape_path $p]
                set o normal
        }
                set p [escape_path $p]
                set o normal
        }
@@ -5714,31 +2494,30 @@ proc trace_current_diff_path {varname args} {
 }
 trace add variable current_diff_path write trace_current_diff_path
 
 }
 trace add variable current_diff_path write trace_current_diff_path
 
-frame .vpane.lower.diff.header -background orange
+frame .vpane.lower.diff.header -background gold
 label .vpane.lower.diff.header.status \
 label .vpane.lower.diff.header.status \
-       -background orange \
+       -background gold \
+       -foreground black \
        -width $max_status_desc \
        -anchor w \
        -width $max_status_desc \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 label .vpane.lower.diff.header.file \
 label .vpane.lower.diff.header.file \
-       -background orange \
+       -background gold \
+       -foreground black \
        -anchor w \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 label .vpane.lower.diff.header.path \
 label .vpane.lower.diff.header.path \
-       -background orange \
+       -background gold \
+       -foreground black \
        -anchor w \
        -anchor w \
-       -justify left \
-       -font font_ui
+       -justify left
 pack .vpane.lower.diff.header.status -side left
 pack .vpane.lower.diff.header.file -side left
 pack .vpane.lower.diff.header.path -fill x
 set ctxm .vpane.lower.diff.header.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
 pack .vpane.lower.diff.header.status -side left
 pack .vpane.lower.diff.header.file -side left
 pack .vpane.lower.diff.header.path -fill x
 set ctxm .vpane.lower.diff.header.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
-       -label {Copy} \
-       -font font_ui \
+       -label [mc Copy] \
        -command {
                clipboard clear
                clipboard append \
        -command {
                clipboard clear
                clipboard append \
@@ -5753,7 +2532,8 @@ bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
 #
 frame .vpane.lower.diff.body
 set ui_diff .vpane.lower.diff.body.t
 #
 frame .vpane.lower.diff.body
 set ui_diff .vpane.lower.diff.body.t
-text $ui_diff -background white -borderwidth 0 \
+text $ui_diff -background white -foreground black \
+       -borderwidth 0 \
        -width 80 -height 15 -wrap none \
        -font font_diff \
        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
        -width 80 -height 15 -wrap none \
        -font font_diff \
        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
@@ -5806,23 +2586,40 @@ $ui_diff tag raise sel
 set ctxm .vpane.lower.diff.body.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
 set ctxm .vpane.lower.diff.body.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
-       -label {Refresh} \
-       -font font_ui \
+       -label [mc "Apply/Reverse Hunk"] \
+       -command {apply_hunk $cursorX $cursorY}
+set ui_diff_applyhunk [$ctxm index last]
+lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
+$ctxm add separator
+$ctxm add command \
+       -label [mc "Show Less Context"] \
+       -command {if {$repo_config(gui.diffcontext) >= 1} {
+               incr repo_config(gui.diffcontext) -1
+               reshow_diff
+       }}
+lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
+$ctxm add command \
+       -label [mc "Show More Context"] \
+       -command {if {$repo_config(gui.diffcontext) < 99} {
+               incr repo_config(gui.diffcontext)
+               reshow_diff
+       }}
+lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
+$ctxm add separator
+$ctxm add command \
+       -label [mc Refresh] \
        -command reshow_diff
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
        -command reshow_diff
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-       -label {Copy} \
-       -font font_ui \
+       -label [mc Copy] \
        -command {tk_textCopy $ui_diff}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
        -command {tk_textCopy $ui_diff}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-       -label {Select All} \
-       -font font_ui \
+       -label [mc "Select All"] \
        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-       -label {Copy All} \
-       -font font_ui \
+       -label [mc "Copy All"] \
        -command {
                $ui_diff tag add sel 0.0 end
                tk_textCopy $ui_diff
        -command {
                $ui_diff tag add sel 0.0 end
                tk_textCopy $ui_diff
@@ -5831,64 +2628,43 @@ $ctxm add command \
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add separator
 $ctxm add command \
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add separator
 $ctxm add command \
-       -label {Apply/Reverse Hunk} \
-       -font font_ui \
-       -command {apply_hunk $cursorX $cursorY}
-set ui_diff_applyhunk [$ctxm index last]
-lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
-$ctxm add separator
-$ctxm add command \
-       -label {Decrease Font Size} \
-       -font font_ui \
+       -label [mc "Decrease Font Size"] \
        -command {incr_font_size font_diff -1}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
        -command {incr_font_size font_diff -1}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-       -label {Increase Font Size} \
-       -font font_ui \
+       -label [mc "Increase Font Size"] \
        -command {incr_font_size font_diff 1}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add separator
        -command {incr_font_size font_diff 1}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add separator
-$ctxm add command \
-       -label {Show Less Context} \
-       -font font_ui \
-       -command {if {$repo_config(gui.diffcontext) >= 2} {
-               incr repo_config(gui.diffcontext) -1
-               reshow_diff
-       }}
-lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
-$ctxm add command \
-       -label {Show More Context} \
-       -font font_ui \
-       -command {
-               incr repo_config(gui.diffcontext)
-               reshow_diff
-       }
-lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
-$ctxm add separator
-$ctxm add command -label {Options...} \
-       -font font_ui \
+$ctxm add command -label [mc "Options..."] \
        -command do_options
        -command do_options
-bind_button3 $ui_diff "
-       set cursorX %x
-       set cursorY %y
-       if {\$ui_index eq \$current_diff_side} {
-               $ctxm entryconf $ui_diff_applyhunk -label {Unstage Hunk From Commit}
+proc popup_diff_menu {ctxm x y X Y} {
+       global current_diff_path file_states
+       set ::cursorX $x
+       set ::cursorY $y
+       if {$::ui_index eq $::current_diff_side} {
+               set l [mc "Unstage Hunk From Commit"]
        } else {
        } else {
-               $ctxm entryconf $ui_diff_applyhunk -label {Stage Hunk For Commit}
+               set l [mc "Stage Hunk For Commit"]
        }
        }
-       tk_popup $ctxm %X %Y
-"
-unset ui_diff_applyhunk
+       if {$::is_3way_diff
+               || $current_diff_path eq {}
+               || ![info exists file_states($current_diff_path)]
+               || {_O} eq [lindex $file_states($current_diff_path) 0]} {
+               set s disabled
+       } else {
+               set s normal
+       }
+       $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
+       tk_popup $ctxm $X $Y
+}
+bind_button3 $ui_diff [list popup_diff_menu $ctxm %x %y %X %Y]
 
 # -- Status Bar
 #
 
 # -- Status Bar
 #
-label .status -textvariable ui_status_value \
-       -anchor w \
-       -justify left \
-       -borderwidth 1 \
-       -relief sunken \
-       -font font_ui
+set main_status [::status_bar::new .status]
 pack .status -anchor w -side bottom -fill x
 pack .status -anchor w -side bottom -fill x
+$main_status show [mc "Initializing..."]
 
 # -- Load geometry
 #
 
 # -- Load geometry
 #
@@ -5896,17 +2672,19 @@ catch {
 set gm $repo_config(gui.geometry)
 wm geometry . [lindex $gm 0]
 .vpane sash place 0 \
 set gm $repo_config(gui.geometry)
 wm geometry . [lindex $gm 0]
 .vpane sash place 0 \
-       [lindex [.vpane sash coord 0] 0] \
-       [lindex $gm 1]
+       [lindex $gm 1] \
+       [lindex [.vpane sash coord 0] 1]
 .vpane.files sash place 0 \
 .vpane.files sash place 0 \
-       [lindex $gm 2] \
-       [lindex [.vpane.files sash coord 0] 1]
+       [lindex [.vpane.files sash coord 0] 0] \
+       [lindex $gm 2]
 unset gm
 }
 
 # -- Key Bindings
 #
 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
 unset gm
 }
 
 # -- Key Bindings
 #
 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
+bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
+bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
@@ -5930,18 +2708,34 @@ bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
+bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
+bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
+bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
+bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
+bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
+bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
 bind $ui_diff <Button-1>   {focus %W}
 
 if {[is_enabled branch]} {
 bind $ui_diff <Button-1>   {focus %W}
 
 if {[is_enabled branch]} {
-       bind . <$M1B-Key-n> do_create_branch
-       bind . <$M1B-Key-N> do_create_branch
+       bind . <$M1B-Key-n> branch_create::dialog
+       bind . <$M1B-Key-N> branch_create::dialog
+       bind . <$M1B-Key-o> branch_checkout::dialog
+       bind . <$M1B-Key-O> branch_checkout::dialog
+       bind . <$M1B-Key-m> merge::dialog
+       bind . <$M1B-Key-M> merge::dialog
+}
+if {[is_enabled transport]} {
+       bind . <$M1B-Key-p> do_push_anywhere
+       bind . <$M1B-Key-P> do_push_anywhere
 }
 
 }
 
-bind all <Key-F5> do_rescan
-bind all <$M1B-Key-r> do_rescan
-bind all <$M1B-Key-R> do_rescan
+bind .   <Key-F5>     do_rescan
+bind .   <$M1B-Key-r> do_rescan
+bind .   <$M1B-Key-R> do_rescan
 bind .   <$M1B-Key-s> do_signoff
 bind .   <$M1B-Key-S> do_signoff
 bind .   <$M1B-Key-s> do_signoff
 bind .   <$M1B-Key-S> do_signoff
+bind .   <$M1B-Key-t> do_add_selection
+bind .   <$M1B-Key-T> do_add_selection
 bind .   <$M1B-Key-i> do_add_all
 bind .   <$M1B-Key-I> do_add_all
 bind .   <$M1B-Key-Return> do_commit
 bind .   <$M1B-Key-i> do_add_all
 bind .   <$M1B-Key-I> do_add_all
 bind .   <$M1B-Key-Return> do_commit
@@ -5955,7 +2749,7 @@ unset i
 set file_lists($ui_index) [list]
 set file_lists($ui_workdir) [list]
 
 set file_lists($ui_index) [list]
 set file_lists($ui_workdir) [list]
 
-wm title . "[appname] ([file normalize [file dirname [gitdir]]])"
+wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
 focus -force $ui_comm
 
 # -- Warn the user about environmental problems.  Cygwin's Tcl
 focus -force $ui_comm
 
 # -- Warn the user about environmental problems.  Cygwin's Tcl
@@ -5965,13 +2759,13 @@ focus -force $ui_comm
 if {[is_Cygwin]} {
        set ignored_env 0
        set suggest_user {}
 if {[is_Cygwin]} {
        set ignored_env 0
        set suggest_user {}
-       set msg "Possible environment issues exist.
+       set msg [mc "Possible environment issues exist.
 
 The following environment variables are probably
 going to be ignored by any Git subprocess run
 
 The following environment variables are probably
 going to be ignored by any Git subprocess run
-by [appname]:
+by %s:
 
 
-"
+" [appname]]
        foreach name [array names env] {
                switch -regexp -- $name {
                {^GIT_INDEX_FILE$} -
        foreach name [array names env] {
                switch -regexp -- $name {
                {^GIT_INDEX_FILE$} -
@@ -5995,18 +2789,18 @@ by [appname]:
                }
        }
        if {$ignored_env > 0} {
                }
        }
        if {$ignored_env > 0} {
-               append msg "
+               append msg [mc "
 This is due to a known issue with the
 This is due to a known issue with the
-Tcl binary distributed by Cygwin."
+Tcl binary distributed by Cygwin."]
 
                if {$suggest_user ne {}} {
 
                if {$suggest_user ne {}} {
-                       append msg "
+                       append msg [mc "
 
 
-A good replacement for $suggest_user
+A good replacement for %s
 is placing values for the user.name and
 user.email settings into your personal
 ~/.gitconfig file.
 is placing values for the user.name and
 user.email settings into your personal
 ~/.gitconfig file.
-"
+" $suggest_user]
                }
                warn_popup $msg
        }
                }
                warn_popup $msg
        }
@@ -6017,33 +2811,99 @@ user.email settings into your personal
 #
 if {[is_enabled transport]} {
        load_all_remotes
 #
 if {[is_enabled transport]} {
        load_all_remotes
-       load_all_heads
 
 
-       populate_branch_menu
-       populate_fetch_menu
+       set n [.mbar.remote index end]
        populate_push_menu
        populate_push_menu
+       populate_fetch_menu
+       set n [expr {[.mbar.remote index end] - $n}]
+       if {$n > 0} {
+               .mbar.remote insert $n separator
+       }
+       unset n
 }
 
 }
 
-# -- Only suggest a gc run if we are going to stay running.
-#
-if {[is_enabled multicommit]} {
-       set object_limit 2000
-       if {[is_Windows]} {set object_limit 200}
-       regexp {^([0-9]+) objects,} [git count-objects] _junk objects_current
-       if {$objects_current >= $object_limit} {
-               if {[ask_popup \
-                       "This repository currently has $objects_current loose objects.
-
-To maintain optimal performance it is strongly
-recommended that you compress the database
-when more than $object_limit loose objects exist.
-
-Compress the database now?"] eq yes} {
-                       do_gc
+if {[winfo exists $ui_comm]} {
+       set GITGUI_BCK_exists [load_message GITGUI_BCK]
+
+       # -- If both our backup and message files exist use the
+       #    newer of the two files to initialize the buffer.
+       #
+       if {$GITGUI_BCK_exists} {
+               set m [gitdir GITGUI_MSG]
+               if {[file isfile $m]} {
+                       if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
+                               catch {file delete [gitdir GITGUI_MSG]}
+                       } else {
+                               $ui_comm delete 0.0 end
+                               $ui_comm edit reset
+                               $ui_comm edit modified false
+                               catch {file delete [gitdir GITGUI_BCK]}
+                               set GITGUI_BCK_exists 0
+                       }
+               }
+               unset m
+       }
+
+       proc backup_commit_buffer {} {
+               global ui_comm GITGUI_BCK_exists
+
+               set m [$ui_comm edit modified]
+               if {$m || $GITGUI_BCK_exists} {
+                       set msg [string trim [$ui_comm get 0.0 end]]
+                       regsub -all -line {[ \r\t]+$} $msg {} msg
+
+                       if {$msg eq {}} {
+                               if {$GITGUI_BCK_exists} {
+                                       catch {file delete [gitdir GITGUI_BCK]}
+                                       set GITGUI_BCK_exists 0
+                               }
+                       } elseif {$m} {
+                               catch {
+                                       set fd [open [gitdir GITGUI_BCK] w]
+                                       puts -nonewline $fd $msg
+                                       close $fd
+                                       set GITGUI_BCK_exists 1
+                               }
+                       }
+
+                       $ui_comm edit modified false
                }
                }
+
+               set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
+       }
+
+       backup_commit_buffer
+
+       # -- If the user has aspell available we can drive it
+       #    in pipe mode to spellcheck the commit message.
+       #
+       set spell_cmd [list |]
+       set spell_dict [get_config gui.spellingdictionary]
+       lappend spell_cmd aspell
+       if {$spell_dict ne {}} {
+               lappend spell_cmd --master=$spell_dict
+       }
+       lappend spell_cmd --mode=none
+       lappend spell_cmd --encoding=utf-8
+       lappend spell_cmd pipe
+       if {$spell_dict eq {none}
+        || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
+               bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
+       } else {
+               set ui_comm_spell [spellcheck::init \
+                       $spell_fd \
+                       $ui_comm \
+                       $ui_comm_ctxm \
+               ]
        }
        }
-       unset object_limit _junk objects_current
+       unset -nocomplain spell_cmd spell_fd spell_err spell_dict
 }
 
 lock_index begin-read
 }
 
 lock_index begin-read
+if {![winfo ismapped .]} {
+       wm deiconify .
+}
 after 1 do_rescan
 after 1 do_rescan
+if {[is_enabled multicommit]} {
+       after 1000 hint_gc
+}