X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=git-gui.sh;h=1fca11f278a89bb4d224738ed6dfca9822775a32;hb=208320de8044acea5f637dd64475c3756d899094;hp=a3ac5daf14c3e57229d3d1dbea5bdee3c368fdb5;hpb=70a7595cc07f38d4a83dff1d4697eb49c2e65b2c;p=git.git

diff --git a/git-gui.sh b/git-gui.sh
index a3ac5daf1..1fca11f27 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -6,11 +6,12 @@
 	echo 'git-gui version @@GITGUI_VERSION@@'; \
 	exit; \
  fi; \
- exec wish "$0" -- "$@"
+ argv0=$0; \
+ exec wish "$argv0" -- "$@"
 
 set appvers {@@GITGUI_VERSION@@}
-set copyright {
-Copyright © 2006, 2007 Shawn Pearce, et. al.
+set copyright [encoding convertfrom utf-8 {
+Copyright © 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
@@ -24,7 +25,7 @@ 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
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
 
 ######################################################################
 ##
@@ -37,11 +38,31 @@ if {[catch {package require Tcl 8.4} err]
 	tk_messageBox \
 		-icon error \
 		-type ok \
-		-title "git-gui: fatal error" \
+		-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?
@@ -62,57 +83,39 @@ if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
 
 ######################################################################
 ##
-## configure our library
+## Internationalization (i18n) through msgcat and gettext. See
+## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
 
-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]
-} elseif {[string match @@* $oguirel]} {
-	set oguilib [file join [file dirname [file normalize $argv0]] lib]
-}
+package require msgcat
 
-set idx [file join $oguilib tclIndex]
-if {[catch {set fd [open $idx r]} err]} {
-	catch {wm withdraw .}
-	tk_messageBox \
-		-icon error \
-		-type ok \
-		-title "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
-		}
+proc _mc_trim {fmt} {
+	set cmk [string first @@ $fmt]
+	if {$cmk > 0} {
+		return [string range $fmt 0 [expr {$cmk - 1}]]
 	}
-} else {
-	set idx {}
+	return $fmt
 }
-close $fd
 
-if {$idx ne {}} {
-	set loaded [list]
-	foreach p $idx {
-		if {[lsearch -exact $loaded $p] >= 0} continue
-		source [file join $oguilib $p]
-		lappend loaded $p
+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]
 	}
-	unset loaded p
-} else {
-	set auto_path [concat [list $oguilib] $auto_path]
+	return $msg
 }
-unset -nocomplain oguirel idx fd
+
+proc strcat {args} {
+	return [join $args {}]
+}
+
+::msgcat::mcload $oguimsg
+unset oguimsg
 
 ######################################################################
 ##
 ## read only globals
 
-set _appname [lindex [file split $argv0] end]
+set _appname {Git Gui}
 set _gitdir {}
 set _gitexec {}
 set _reponame {}
@@ -154,12 +157,10 @@ proc gitexec {args} {
 }
 
 proc reponame {} {
-	global _reponame
-	return $_reponame
+	return $::_reponame
 }
 
 proc is_MacOSX {} {
-	global tcl_platform tk_library
 	if {[tk windowingsystem] eq {aqua}} {
 		return 1
 	}
@@ -167,17 +168,16 @@ proc is_MacOSX {} {
 }
 
 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 {} {
-	global tcl_platform _iscygwin
+	global _iscygwin
 	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 {
@@ -212,6 +212,7 @@ proc disable_option {option} {
 
 proc is_many_config {name} {
 	switch -glob -- $name {
+	gui.recentrepo -
 	remote.*.fetch -
 	remote.*.push
 		{return 1}
@@ -240,51 +241,6 @@ proc get_config {name} {
 	}
 }
 
-proc load_config {include_global} {
-	global repo_config global_config default_config
-
-	array unset global_config
-	if {$include_global} {
-		catch {
-			set fd_rc [git_read config --global --list]
-			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
-					}
-				}
-			}
-			close $fd_rc
-		}
-	}
-
-	array unset repo_config
-	catch {
-		set fd_rc [git_read config --list]
-		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
-				}
-			}
-		}
-		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)
-		}
-	}
-}
-
 ######################################################################
 ##
 ## handy utils
@@ -302,19 +258,31 @@ proc _git_cmd {name} {
 		set p [gitexec git-$name$::_search_exe]
 		if {[file exists $p]} {
 			set v [list $p]
-		} elseif {[is_Cygwin]} {
-			# On Cygwin git is a proper Cygwin program and knows
-			# how to properly restart the Cygwin environment and
-			# spawn its non-.exe support program.
-			#
-			set v [list $::_git $name]
-		} elseif {[is_Windows]
-			&& $::_sh ne {}
-			&& [file exists [gitexec git-$name]]} {
-			# Assume this is a UNIX shell script.  We can
-			# probably execute it through a Bourne shell.
+		} 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 v [list $::_sh [gitexec git-$name]]
+			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: $s" }
+			}
+
+			upvar #0 _$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.
@@ -330,7 +298,7 @@ proc _which {what} {
 	global env _search_exe _search_path
 
 	if {$_search_path eq {}} {
-		if {[is_Cygwin]} {
+		if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 			set _search_path [split [exec cygpath \
 				--windows \
 				--path \
@@ -338,6 +306,9 @@ proc _which {what} {
 				$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 {
@@ -355,16 +326,25 @@ proc _which {what} {
 	return {}
 }
 
+proc _lappend_nice {cmd_var} {
+	global _nice
+	upvar $cmd_var cmd
+
+	if {![info exists _nice]} {
+		set _nice [_which nice]
+	}
+	if {$_nice ne {}} {
+		lappend cmd $_nice
+	}
+}
+
 proc git {args} {
 	set opt [list exec]
 
 	while {1} {
 		switch -- [lindex $args 0] {
 		--nice {
-			global _nice
-			if {$_nice ne {}} {
-				lappend opt $_nice
-			}
+			_lappend_nice opt
 		}
 
 		default {
@@ -382,16 +362,37 @@ proc git {args} {
 	return [eval $opt $cmdp $args]
 }
 
+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
+		}
+	}
+	fconfigure $fd -eofchar {}
+	return $fd
+}
+
 proc git_read {args} {
 	set opt [list |]
 
 	while {1} {
 		switch -- [lindex $args 0] {
 		--nice {
-			global _nice
-			if {$_nice ne {}} {
-				lappend opt $_nice
-			}
+			_lappend_nice opt
 		}
 
 		--stderr {
@@ -410,28 +411,7 @@ proc git_read {args} {
 	set cmdp [_git_cmd [lindex $args 0]]
 	set args [lrange $args 1 end]
 
-	if {[catch {
-			set fd [open [concat $opt $cmdp $args] r]
-		} err]} {
-		if {   [lindex $args 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 \
-				$opt \
-				$cmdp \
-				[lrange $args 0 end-1] \
-				[list |& cat] \
-				] r]
-		} else {
-			error $err
-		}
-	}
-	return $fd
+	return [_open_stdout_stderr [concat $opt $cmdp $args]]
 }
 
 proc git_write {args} {
@@ -440,10 +420,7 @@ proc git_write {args} {
 	while {1} {
 		switch -- [lindex $args 0] {
 		--nice {
-			global _nice
-			if {$_nice ne {}} {
-				lappend opt $_nice
-			}
+			_lappend_nice opt
 		}
 
 		default {
@@ -461,6 +438,11 @@ proc git_write {args} {
 	return [open [concat $opt $cmdp $args] w]
 }
 
+proc sq {value} {
+	regsub -all ' $value "'\\''" value
+	return "'$value'"
+}
+
 proc load_current_branch {} {
 	global current_branch is_detached
 
@@ -495,6 +477,120 @@ proc tk_optionMenu {w varName args} {
 	return $m
 }
 
+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
+}
+
+set root_exists 0
+bind . <Visibility> {
+	bind . <Visibility> {}
+	set root_exists 1
+}
+
+if {[is_Windows]} {
+	wm iconbitmap . -default $oguilib/git-gui.ico
+}
+
+######################################################################
+##
+## config defaults
+
+set cursor_ptr arrow
+font create font_diff -family Courier -size 10
+font create font_ui
+catch {
+	label .dummy
+	eval font configure font_ui [font actual [.dummy cget -font]]
+	destroy .dummy
+}
+
+font create font_uiitalic
+font create font_uibold
+font create font_diffbold
+font create font_diffitalic
+
+foreach class {Button Checkbutton Entry Label
+		Labelframe Listbox Menu Message
+		Radiobutton Spinbox Text} {
+	option add *$class.font font_ui
+}
+unset class
+
+if {[is_Windows] || [is_MacOSX]} {
+	option add *Menu.tearOff 0
+}
+
+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 apply_config {} {
+	global repo_config font_descs
+
+	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 ${font}italic -slant italic
+	}
+}
+
+set default_config(merge.diffstat) true
+set default_config(merge.summary) false
+set default_config(merge.verbosity) 2
+set default_config(user.name) {}
+set default_config(user.email) {}
+
+set default_config(gui.matchtrackingbranch) false
+set default_config(gui.pruneduringfetch) false
+set default_config(gui.trustmtime) false
+set default_config(gui.diffcontext) 5
+set default_config(gui.newbranchtemplate) {}
+set default_config(gui.fontui) [font configure font_ui]
+set default_config(gui.fontdiff) [font configure font_diff]
+set font_descs {
+	{fontui   font_ui   {mc "Main Font"}}
+	{fontdiff font_diff {mc "Diff/Console Font"}}
+}
+
 ######################################################################
 ##
 ## find git
@@ -502,11 +598,13 @@ proc tk_optionMenu {w varName args} {
 set _git  [_which git]
 if {$_git eq {}} {
 	catch {wm withdraw .}
-	error_popup "Cannot find git in PATH."
+	tk_messageBox \
+		-icon error \
+		-type ok \
+		-title [mc "git-gui: fatal error"] \
+		-message [mc "Cannot find git in PATH."]
 	exit 1
 }
-set _nice [_which nice]
-set _sh   [_which sh]
 
 ######################################################################
 ##
@@ -514,7 +612,11 @@ set _sh   [_which sh]
 
 if {[catch {set _git_version [git --version]} err]} {
 	catch {wm withdraw .}
-	error_popup "Cannot determine Git version:
+	tk_messageBox \
+		-icon error \
+		-type ok \
+		-title [mc "git-gui: fatal error"] \
+		-message "Cannot determine Git version:
 
 $err
 
@@ -523,11 +625,42 @@ $err
 }
 if {![regsub {^git version } $_git_version {} _git_version]} {
 	catch {wm withdraw .}
-	error_popup "Cannot parse Git version string:\n\n$_git_version"
+	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
 }
+
+set _real_git_version $_git_version
+regsub -- {-dirty$} $_git_version {} _git_version
 regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 regsub {\.rc[0-9]+$} $_git_version {} _git_version
+regsub {\.GIT$} $_git_version {} _git_version
+regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version
+
+if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
+	catch {wm withdraw .}
+	if {[tk_messageBox \
+		-icon warning \
+		-type yesno \
+		-default no \
+		-title "[appname]: warning" \
+		 -message [mc "Git version cannot be determined.
+
+%s claims it is version '%s'.
+
+%s requires at least Git 1.5.0 or later.
+
+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
+	}
+}
+unset _real_git_version
 
 proc git-version {args} {
 	global _git_version
@@ -573,14 +706,162 @@ proc git-version {args} {
 	}
 }
 
-if {[git-version < 1.5]} {
-	catch {wm withdraw .}
-	error_popup "[appname] requires Git 1.5.0 or later.
+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]:
+
+[git --version]"
+	exit 1
+}
+
+######################################################################
+##
+## configure our library
+
+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
+		}
+	}
+} else {
+	set idx {}
+}
+close $fd
+
+if {$idx ne {}} {
+	set loaded [list]
+	foreach p $idx {
+		if {[lsearch -exact $loaded $p] >= 0} continue
+		source [file join $oguilib $p]
+		lappend loaded $p
+	}
+	unset loaded p
+} else {
+	set auto_path [concat [list $oguilib] $auto_path]
+}
+unset -nocomplain idx fd
+
+######################################################################
+##
+## config file parsing
+
+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
+				}
+			}
+		}
+	}
+	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 $fd_rc
+		}
+	}
+}
+
+proc load_config {include_global} {
+	global repo_config global_config default_config
+
+	if {$include_global} {
+		_parse_config global_config --global
+	}
+	_parse_config repo_config
+
+	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)
+		}
+	}
+}
+
+######################################################################
+##
+## feature option selection
+
+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]
+}
+
+enable_option multicommit
+enable_option branch
+enable_option transport
+disable_option bare
 
-You are using [git-version]:
+switch -- $subcommand {
+browser -
+blame {
+	enable_option bare
 
-[git --version]"
-	exit 1
+	disable_option multicommit
+	disable_option branch
+	disable_option transport
+}
+citool {
+	enable_option singlecommit
+
+	disable_option multicommit
+	disable_option branch
+	disable_option transport
+}
 }
 
 ######################################################################
@@ -595,31 +876,44 @@ if {[catch {
 		set _gitdir [git rev-parse --git-dir]
 		set _prefix [git rev-parse --show-prefix]
 	} err]} {
-	catch {wm withdraw .}
-	error_popup "Cannot find the git directory:\n\n$err"
-	exit 1
+	load_config 1
+	apply_config
+	choose_repository::pick
 }
 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
-	catch {set _gitdir [exec cygpath --unix $_gitdir]}
+	catch {set _gitdir [exec cygpath --windows $_gitdir]}
 }
 if {![file isdirectory $_gitdir]} {
 	catch {wm withdraw .}
-	error_popup "Git directory not found:\n\n$_gitdir"
+	error_popup [strcat [mc "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 {$_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
+	}
+	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 {[catch {cd [file dirname $_gitdir]} err]} {
+		catch {wm withdraw .}
+		error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
+		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
+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 _reponame [lindex [file split \
-	[file normalize [file dirname $_gitdir]]] \
-	end]
 
 ######################################################################
 ##
@@ -637,6 +931,7 @@ set empty_tree {}
 set current_branch {}
 set is_detached 0
 set current_diff_path {}
+set is_3way_diff 0
 set selected_commit_type new
 
 ######################################################################
@@ -740,8 +1035,9 @@ proc rescan {after {honor_trustmtime 1}} {
 
 	array unset file_states
 
-	if {![$ui_comm edit modified]
-		|| [string trim [$ui_comm get 0.0 end]] eq {}} {
+	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]} {
@@ -755,7 +1051,7 @@ proc rescan {after {honor_trustmtime 1}} {
 		rescan_stage2 {} $after
 	} else {
 		set rescan_active 1
-		ui_status {Refreshing file status...}
+		ui_status [mc "Refreshing file status..."]
 		set fd_rf [git_read update-index \
 			-q \
 			--unmerged \
@@ -768,6 +1064,35 @@ proc rescan {after {honor_trustmtime 1}} {
 	}
 }
 
+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
+
+		if {$is_git_info_link eq {}} {
+			set is_git_info_link [file isfile [gitdir info.lnk]]
+		}
+
+		if {$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
+				}
+			}
+			return $is_git_info_exclude
+		} else {
+			return [file readable [gitdir info exclude]]
+		}
+	}
+} else {
+	proc have_info_exclude {} {
+		return [file readable [gitdir info exclude]]
+	}
+}
+
 proc rescan_stage2 {fd after} {
 	global rescan_active buf_rdi buf_rdf buf_rlo
 
@@ -778,9 +1103,12 @@ proc rescan_stage2 {fd after} {
 	}
 
 	set ls_others [list --exclude-per-directory=.gitignore]
-	set info_exclude [gitdir info exclude]
-	if {[file readable $info_exclude]} {
-		lappend ls_others "--exclude-from=$info_exclude"
+	if {[have_info_exclude]} {
+		lappend ls_others "--exclude-from=[gitdir info exclude]"
+	}
+	set user_exclude [get_config core.excludesfile]
+	if {$user_exclude ne {} && [file readable $user_exclude]} {
+		lappend ls_others "--exclude-from=$user_exclude"
 	}
 
 	set buf_rdi {}
@@ -788,7 +1116,7 @@ proc rescan_stage2 {fd after} {
 	set buf_rlo {}
 
 	set rescan_active 3
-	ui_status {Scanning for modified files ...}
+	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]
@@ -809,6 +1137,7 @@ proc load_message {file} {
 		if {[catch {set fd [open $f r]}]} {
 			return 0
 		}
+		fconfigure $fd -eofchar {}
 		set content [string trim [read $fd]]
 		close $fd
 		regsub -all -line {[ \r\t]+$} $content {} content
@@ -892,7 +1221,11 @@ proc read_ls_others {fd after} {
 	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
+		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
 }
@@ -949,11 +1282,17 @@ proc mapdesc {state path} {
 }
 
 proc ui_status {msg} {
-	$::main_status show $msg
+	global main_status
+	if {[info exists main_status]} {
+		$main_status show $msg
+	}
 }
 
 proc ui_ready {{test {}}} {
-	$::main_status show {Ready.} $test
+	global main_status
+	if {[info exists main_status]} {
+		$main_status show [mc "Ready."] $test
+	}
 }
 
 proc escape_path {path} {
@@ -1201,32 +1540,6 @@ static unsigned char file_merge_bits[] = {
    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
 
@@ -1244,31 +1557,32 @@ set all_icons(O$ui_workdir) file_plain
 
 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
 
@@ -1276,13 +1590,6 @@ unset i
 ##
 ## 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}
 }
@@ -1304,7 +1611,7 @@ proc incr_font_size {font {amt 1}} {
 ##
 ## ui commands
 
-set starting_gitk_msg {Starting gitk... please wait...}
+set starting_gitk_msg [mc "Starting gitk... please wait..."]
 
 proc do_gitk {revs} {
 	# -- Always start gitk through whatever we were loaded with.  This
@@ -1313,9 +1620,29 @@ proc do_gitk {revs} {
 	set exe [file join [file dirname $::_git] gitk]
 	set cmd [list [info nameofexecutable] $exe]
 	if {! [file exists $exe]} {
-		error_popup "Unable to start gitk:\n\n$exe does not exist"
+		error_popup [mc "Unable to start gitk:\n\n%s does not exist" $exe]
 	} else {
+		global env
+
+		if {[info exists env(GIT_DIR)]} {
+			set old_GIT_DIR $env(GIT_DIR)
+		} else {
+			set old_GIT_DIR {}
+		}
+
+		set pwd [pwd]
+		cd [file dirname [gitdir]]
+		set env(GIT_DIR) [file tail [gitdir]]
+
 		eval exec $cmd $revs &
+
+		if {$old_GIT_DIR eq {}} {
+			unset env(GIT_DIR)
+		} else {
+			set env(GIT_DIR) $old_GIT_DIR
+		}
+		cd $pwd
+
 		ui_status $::starting_gitk_msg
 		after 10000 {
 			ui_ready $starting_gitk_msg
@@ -1327,6 +1654,7 @@ set is_quitting 0
 
 proc do_quit {} {
 	global ui_comm is_quitting repo_config commit_type
+	global GITGUI_BCK_exists GITGUI_BCK_i
 
 	if {$is_quitting} return
 	set is_quitting 1
@@ -1335,26 +1663,38 @@ proc do_quit {} {
 		# -- Stash our current commit buffer.
 		#
 		set save [gitdir GITGUI_MSG]
-		set msg [string trim [$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 $fd
-			}
+		if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
+			file rename -force [gitdir GITGUI_BCK] $save
+			set GITGUI_BCK_exists 0
 		} else {
-			catch {file delete $save}
+			set msg [string trim [$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}
+			}
+		}
+
+		# -- Remove our editor backup, its not needed.
+		#
+		after cancel $GITGUI_BCK_i
+		if {$GITGUI_BCK_exists} {
+			catch {file delete [gitdir GITGUI_BCK]}
 		}
 
 		# -- 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]
+		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 {}
 		}
@@ -1471,141 +1811,26 @@ 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_uiitalic
-font create font_uibold
-font create font_diffbold
-font create font_diffitalic
-
-foreach class {Button Checkbutton Entry Label
-		Labelframe Listbox Menu Message
-		Radiobutton Spinbox Text} {
-	option add *$class.font font_ui
-}
-unset class
-
-if {[is_Windows] || [is_MacOSX]} {
-	option add *Menu.tearOff 0
-}
-
-if {[is_MacOSX]} {
-	set M1B M1
-	set M1T Cmd
-} else {
-	set M1B Control
-	set M1T Ctrl
-}
-
-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}italic $cn $cv
-		}
-		font configure ${font}bold -weight bold
-		font configure ${font}italic -slant italic
-	}
-}
-
-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 construction
 
-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.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
-
-######################################################################
-##
-## 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 {
-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
-.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]} {
-	.mbar add cascade -label Branch -menu .mbar.branch
+	.mbar add cascade -label [mc Branch] -menu .mbar.branch
 }
 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]} {
-	.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
 
@@ -1614,75 +1839,87 @@ if {[is_enabled transport]} {
 menu .mbar.repository
 
 .mbar.repository add command \
-	-label {Browse Current Branch} \
+	-label [mc "Browse Current Branch's Files"] \
 	-command {browser::new $current_branch}
-trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Browse \$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 \
-	-label {Visualize Current Branch} \
+	-label [mc "Visualize Current Branch's History"] \
 	-command {do_gitk $current_branch}
-trace add variable current_branch write ".mbar.repository entryconf [.mbar.repository index last] -label \"Visualize \$current_branch\" ;#"
+set ui_visualize_current [.mbar.repository index last]
 .mbar.repository add command \
-	-label {Visualize All Branches} \
+	-label [mc "Visualize All Branch History"] \
 	-command {do_gitk --all}
 .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]} {
-	.mbar.repository add command -label {Database Statistics} \
+	.mbar.repository add command -label [mc "Database Statistics"] \
 		-command do_stats
 
-	.mbar.repository add command -label {Compress Database} \
+	.mbar.repository add command -label [mc "Compress Database"] \
 		-command do_gc
 
-	.mbar.repository add command -label {Verify Database} \
+	.mbar.repository add command -label [mc "Verify Database"] \
 		-command do_fsck_objects
 
 	.mbar.repository add separator
 
 	if {[is_Cygwin]} {
 		.mbar.repository add command \
-			-label {Create Desktop Icon} \
+			-label [mc "Create Desktop Icon"] \
 			-command do_cygwin_shortcut
 	} elseif {[is_Windows]} {
 		.mbar.repository add command \
-			-label {Create Desktop Icon} \
+			-label [mc "Create Desktop Icon"] \
 			-command do_windows_shortcut
 	} elseif {[is_MacOSX]} {
 		.mbar.repository add command \
-			-label {Create Desktop Icon} \
+			-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 \
 	-accelerator $M1T-Q
 
 # -- Edit Menu
 #
 menu .mbar.edit
-.mbar.edit add command -label Undo \
+.mbar.edit add command -label [mc Undo] \
 	-command {catch {[focus] edit undo}} \
 	-accelerator $M1T-Z
-.mbar.edit add command -label Redo \
+.mbar.edit add command -label [mc Redo] \
 	-command {catch {[focus] edit redo}} \
 	-accelerator $M1T-Y
 .mbar.edit add separator
-.mbar.edit add command -label Cut \
+.mbar.edit add command -label [mc Cut] \
 	-command {catch {tk_textCut [focus]}} \
 	-accelerator $M1T-X
-.mbar.edit add command -label Copy \
+.mbar.edit add command -label [mc Copy] \
 	-command {catch {tk_textCopy [focus]}} \
 	-accelerator $M1T-C
-.mbar.edit add command -label Paste \
+.mbar.edit add command -label [mc Paste] \
 	-command {catch {tk_textPaste [focus]; [focus] see insert}} \
 	-accelerator $M1T-V
-.mbar.edit add command -label Delete \
+.mbar.edit add command -label [mc Delete] \
 	-command {catch {[focus] delete sel.first sel.last}} \
 	-accelerator Del
 .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}} \
 	-accelerator $M1T-A
 
@@ -1691,29 +1928,29 @@ menu .mbar.edit
 if {[is_enabled branch]} {
 	menu .mbar.branch
 
-	.mbar.branch add command -label {Create...} \
+	.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 {Checkout...} \
+	.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 {Rename...} \
+	.mbar.branch add command -label [mc "Rename..."] \
 		-command branch_rename::dialog
 	lappend disable_on_lock [list .mbar.branch entryconf \
 		[.mbar.branch index last] -state]
 
-	.mbar.branch add command -label {Delete...} \
+	.mbar.branch add command -label [mc "Delete..."] \
 		-command branch_delete::dialog
 	lappend disable_on_lock [list .mbar.branch entryconf \
 		[.mbar.branch index last] -state]
 
-	.mbar.branch add command -label {Reset...} \
+	.mbar.branch add command -label [mc "Reset..."] \
 		-command merge::reset_hard
 	lappend disable_on_lock [list .mbar.branch entryconf \
 		[.mbar.branch index last] -state]
@@ -1725,7 +1962,7 @@ if {[is_enabled multicommit] || [is_enabled singlecommit]} {
 	menu .mbar.commit
 
 	.mbar.commit add radiobutton \
-		-label {New Commit} \
+		-label [mc "New Commit"] \
 		-command do_select_commit_type \
 		-variable selected_commit_type \
 		-value new
@@ -1733,7 +1970,7 @@ if {[is_enabled multicommit] || [is_enabled singlecommit]} {
 		[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 \
 		-value amend
@@ -1742,40 +1979,41 @@ if {[is_enabled multicommit] || [is_enabled singlecommit]} {
 
 	.mbar.commit add separator
 
-	.mbar.commit add command -label Rescan \
+	.mbar.commit add command -label [mc Rescan] \
 		-command do_rescan \
 		-accelerator F5
 	lappend disable_on_lock \
 		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-	.mbar.commit add command -label {Add To Commit} \
-		-command do_add_selection
+	.mbar.commit add command -label [mc "Stage To Commit"] \
+		-command do_add_selection \
+		-accelerator $M1T-T
 	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 \
 		-accelerator $M1T-I
 	lappend disable_on_lock \
 		[list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-	.mbar.commit add command -label {Unstage From Commit} \
+	.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]
 
-	.mbar.commit add command -label {Revert Changes} \
+	.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
 
-	.mbar.commit add command -label {Sign Off} \
+	.mbar.commit add command -label [mc "Sign Off"] \
 		-command do_signoff \
 		-accelerator $M1T-S
 
-	.mbar.commit add command -label Commit \
+	.mbar.commit add command -label [mc Commit@@verb] \
 		-command do_commit \
 		-accelerator $M1T-Return
 	lappend disable_on_lock \
@@ -1786,82 +2024,60 @@ if {[is_enabled multicommit] || [is_enabled singlecommit]} {
 #
 if {[is_enabled branch]} {
 	menu .mbar.merge
-	.mbar.merge add command -label {Local Merge...} \
-		-command merge::dialog
+	.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]
-	.mbar.merge add command -label {Abort Merge...} \
+	.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]
-
 }
 
 # -- 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 \
 		-accelerator $M1T-P
-	.mbar.push add command -label {Delete...} \
+	.mbar.remote add command \
+		-label [mc "Delete..."] \
 		-command remote_branch_delete::dialog
 }
 
 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
 
-	.mbar.apple add command -label "About [appname]" \
+	.mbar.apple add command -label [mc "About %s" [appname]] \
 		-command do_about
-	.mbar.apple add command -label "Options..." \
-		-command do_options
+	.mbar.apple add separator
+	.mbar.apple add command \
+		-label [mc "Preferences..."] \
+		-command do_options \
+		-accelerator $M1T-,
+	bind . <$M1B-,> do_options
 } else {
 	# -- Edit Menu
 	#
 	.mbar.edit add separator
-	.mbar.edit add command -label {Options...} \
+	.mbar.edit add command -label [mc "Options..."] \
 		-command do_options
-
-	# -- Tools Menu
-	#
-	if {[is_Cygwin] && [file exists /usr/local/miga/lib/gui-miga]} {
-	proc do_miga {} {
-		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]
-		ui_status {Running miga...}
-	}
-	proc miga_done {fd} {
-		read $fd 512
-		if {[eof $fd]} {
-			close $fd
-			unlock_index
-			rescan ui_ready
-		}
-	}
-	.mbar add cascade -label Tools -menu .mbar.tools
-	menu .mbar.tools
-	.mbar.tools add command -label "Migrate" \
-		-command do_miga
-	lappend disable_on_lock \
-		[list .mbar.tools entryconf [.mbar.tools index last] -state]
-	}
 }
 
 # -- 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]} {
-	.mbar.help add command -label "About [appname]" \
+	.mbar.help add command -label [mc "About %s" [appname]] \
 		-command do_about
 }
 
@@ -1898,7 +2114,7 @@ if {[file isfile $doc_path]} {
 }
 
 if {$browser ne {}} {
-	.mbar.help add command -label {Online Documentation} \
+	.mbar.help add command -label [mc "Online Documentation"] \
 		-command [list exec $browser $doc_url &]
 }
 unset browser doc_path doc_url
@@ -1920,29 +2136,10 @@ proc usage {} {
 # -- Not a normal commit type invocation?  Do that instead!
 #
 switch -- $subcommand {
-browser {
-	set subcommand_args {rev?}
-	switch [llength $argv] {
-	0 { load_current_branch }
-	1 {
-		set current_branch [lindex $argv 0]
-		if {[regexp {^[0-9a-f]{1,39}$} $current_branch]} {
-			if {[catch {
-					set current_branch \
-					[git rev-parse --verify $current_branch]
-				} err]} {
-				puts stderr $err
-				exit 1
-			}
-		}
-	}
-	default usage
-	}
-	browser::new $current_branch
-	return
-}
+browser -
 blame {
-	set subcommand_args {rev? path?}
+	set subcommand_args {rev? path}
+	if {$argv eq {}} usage
 	set head {}
 	set path {}
 	set is_path 0
@@ -1961,12 +2158,18 @@ blame {
 		} 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 {
@@ -1981,15 +2184,34 @@ blame {
 		set current_branch $head
 	}
 
-	if {$path eq {}} usage
-	blame::new $head $path
+	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
+	}
+	}
 	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 {}
@@ -2009,7 +2231,7 @@ frame .branch \
 	-borderwidth 1 \
 	-relief sunken
 label .branch.l1 \
-	-text {Current Branch:} \
+	-text [mc "Current Branch:"] \
 	-anchor w \
 	-justify left
 label .branch.cb \
@@ -2022,15 +2244,15 @@ 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
-label .vpane.files.index.title -text {Staged Changes (Will Be Committed)} \
+label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
 	-background lightgreen
 text $ui_index -background white -borderwidth 0 \
 	-width 20 -height 10 \
@@ -2045,12 +2267,11 @@ 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
-.vpane.files add .vpane.files.index -sticky nsew
 
 # -- Working Directory File List
 #
 frame .vpane.files.workdir -height 100 -width 200
-label .vpane.files.workdir.title -text {Unstaged Changes (Will Not Be Committed)} \
+label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
 	-background lightsalmon
 text $ui_workdir -background white -borderwidth 0 \
 	-width 20 -height 10 \
@@ -2065,11 +2286,13 @@ 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
+
 .vpane.files add .vpane.files.workdir -sticky nsew
+.vpane.files add .vpane.files.index -sticky nsew
 
 foreach i [list $ui_index $ui_workdir] {
-	$i tag conf in_diff -background lightgray
-	$i tag conf in_sel  -background lightgray
+	rmsel_tag $i
+	$i tag conf in_diff -background [$i tag cget in_sel -background]
 }
 unset i
 
@@ -2078,8 +2301,8 @@ unset i
 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
@@ -2091,29 +2314,29 @@ label .vpane.lower.commarea.buttons.l -text {} \
 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} \
+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}
 
-button .vpane.lower.commarea.buttons.incall -text {Add Existing} \
+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}
 
-button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
+button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
 	-command do_signoff
 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
 
-button .vpane.lower.commarea.buttons.commit -text {Commit} \
+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}
 
-button .vpane.lower.commarea.buttons.push -text {Push} \
+button .vpane.lower.commarea.buttons.push -text [mc Push] \
 	-command do_push_anywhere
 pack .vpane.lower.commarea.buttons.push -side top -fill x
 
@@ -2124,14 +2347,14 @@ 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 \
-	-text {New Commit} \
+	-text [mc "New Commit"] \
 	-command do_select_commit_type \
 	-variable selected_commit_type \
 	-value new
 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 \
 	-value amend
@@ -2143,12 +2366,12 @@ label $ui_coml \
 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
 }
@@ -2177,23 +2400,23 @@ pack .vpane.lower.commarea.buffer -side left -fill y
 set ctxm .vpane.lower.commarea.buffer.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
-	-label {Cut} \
+	-label [mc Cut] \
 	-command {tk_textCut $ui_comm}
 $ctxm add command \
-	-label {Copy} \
+	-label [mc Copy] \
 	-command {tk_textCopy $ui_comm}
 $ctxm add command \
-	-label {Paste} \
+	-label [mc Paste] \
 	-command {tk_textPaste $ui_comm}
 $ctxm add command \
-	-label {Delete} \
+	-label [mc Delete] \
 	-command {$ui_comm delete sel.first sel.last}
 $ctxm add separator
 $ctxm add command \
-	-label {Select All} \
+	-label [mc "Select All"] \
 	-command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
 $ctxm add command \
-	-label {Copy All} \
+	-label [mc "Copy All"] \
 	-command {
 		$ui_comm tag add sel 0.0 end
 		tk_textCopy $ui_comm
@@ -2201,7 +2424,7 @@ $ctxm add command \
 	}
 $ctxm add separator
 $ctxm add command \
-	-label {Sign Off} \
+	-label [mc "Sign Off"] \
 	-command do_signoff
 bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
 
@@ -2217,7 +2440,7 @@ proc trace_current_diff_path {varname args} {
 	} 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
 	}
@@ -2251,7 +2474,7 @@ pack .vpane.lower.diff.header.path -fill x
 set ctxm .vpane.lower.diff.header.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
-	-label {Copy} \
+	-label [mc Copy] \
 	-command {
 		clipboard clear
 		clipboard append \
@@ -2319,19 +2542,19 @@ $ui_diff tag raise sel
 set ctxm .vpane.lower.diff.body.ctxm
 menu $ctxm -tearoff 0
 $ctxm add command \
-	-label {Refresh} \
+	-label [mc Refresh] \
 	-command reshow_diff
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-	-label {Copy} \
+	-label [mc Copy] \
 	-command {tk_textCopy $ui_diff}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-	-label {Select All} \
+	-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 \
-	-label {Copy All} \
+	-label [mc "Copy All"] \
 	-command {
 		$ui_diff tag add sel 0.0 end
 		tk_textCopy $ui_diff
@@ -2340,54 +2563,64 @@ $ctxm add command \
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add separator
 $ctxm add command \
-	-label {Apply/Reverse Hunk} \
+	-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 {Decrease Font Size} \
+	-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 \
-	-label {Increase Font Size} \
+	-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
 $ctxm add command \
-	-label {Show Less Context} \
+	-label [mc "Show Less Context"] \
 	-command {if {$repo_config(gui.diffcontext) >= 1} {
 		incr repo_config(gui.diffcontext) -1
 		reshow_diff
 	}}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
-	-label {Show More Context} \
+	-label [mc "Show More Context"] \
 	-command {if {$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 {Options...} \
+$ctxm add command -label [mc "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 {
-		$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
 #
 set main_status [::status_bar::new .status]
 pack .status -anchor w -side bottom -fill x
-$main_status show {Initializing...}
+$main_status show [mc "Initializing..."]
 
 # -- Load geometry
 #
@@ -2395,17 +2628,19 @@ catch {
 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 \
-	[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}
+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}
@@ -2442,6 +2677,8 @@ if {[is_enabled branch]} {
 	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
@@ -2453,6 +2690,8 @@ 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 .   <$M1B-Key-t> do_add_selection
+bind .   <$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
@@ -2476,13 +2715,13 @@ focus -force $ui_comm
 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
-by [appname]:
+by %s:
 
-"
+" [appname]]
 	foreach name [array names env] {
 		switch -regexp -- $name {
 		{^GIT_INDEX_FILE$} -
@@ -2506,18 +2745,18 @@ by [appname]:
 		}
 	}
 	if {$ignored_env > 0} {
-		append msg "
+		append msg [mc "
 This is due to a known issue with the
-Tcl binary distributed by Cygwin."
+Tcl binary distributed by Cygwin."]
 
 		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.
-"
+" $suggest_user]
 		}
 		warn_popup $msg
 	}
@@ -2529,28 +2768,74 @@ user.email settings into your personal
 if {[is_enabled transport]} {
 	load_all_remotes
 
-	populate_fetch_menu
+	set n [.mbar.remote index end]
 	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.
+if {[winfo exists $ui_comm]} {
+	set GITGUI_BCK_exists [load_message GITGUI_BCK]
 
-To maintain optimal performance it is strongly recommended that you compress the database when more than $object_limit loose objects exist.
+	# -- If both our backup and message files exist use the
+	#    newer of the two files to initialize the buffer.
+	#
+	if {$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
+				}
+			}
 
-Compress the database now?"] eq yes} {
-			do_gc
+			$ui_comm edit modified false
 		}
+
+		set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
 	}
-	unset object_limit _junk objects_current
+
+	backup_commit_buffer
 }
 
 lock_index begin-read
+if {![winfo ismapped .]} {
+	wm deiconify .
+}
 after 1 do_rescan
+if {[is_enabled multicommit]} {
+	after 1000 hint_gc
+}