+++ /dev/null
-# git-gui branch merge support
-# Copyright (C) 2006, 2007 Shawn Pearce
-
-namespace eval merge {
-
-proc _can_merge {} {
- global HEAD commit_type file_states
-
- if {[string match amend* $commit_type]} {
- info_popup {Cannot merge while amending.
-
-You must finish amending this commit before starting any type of merge.
-}
- return 0
- }
-
- if {[committer_ident] eq {}} {return 0}
- if {![lock_index merge]} {return 0}
-
- # -- Our in memory state should match the repository.
- #
- repository_state curType curHEAD curMERGE_HEAD
- if {$commit_type ne $curType || $HEAD ne $curHEAD} {
- info_popup {Last scanned state does not match repository state.
-
-Another Git program has modified this repository since the last scan. A rescan must be performed before a merge can be performed.
-
-The rescan will be automatically started now.
-}
- unlock_index
- rescan ui_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 $path] is modified.
-
-You should complete the current commit before starting a merge. Doing so will help you abort a failed merge, should the need arise.
-"
- unlock_index
- return 0
- }
- }
- }
-
- return 1
-}
-
-proc _refs {w list} {
- set r {}
- foreach i [$w.source.l curselection] {
- lappend r [lindex [lindex $list $i] 0]
- }
- return $r
-}
-
-proc _visualize {w list} {
- set revs [_refs $w $list]
- if {$revs eq {}} return
- lappend revs --not HEAD
- do_gitk $revs
-}
-
-proc _start {w list} {
- global HEAD current_branch
-
- set cmd [list git merge]
- set names [_refs $w $list]
- set revcnt [llength $names]
- append cmd { } $names
-
- if {$revcnt == 0} {
- return
- } elseif {$revcnt == 1} {
- set unit branch
- } elseif {$revcnt <= 15} {
- set unit branches
-
- if {[tk_dialog \
- $w.confirm_octopus \
- [wm title $w] \
- "Use octopus merge strategy?
-
-You are merging $revcnt branches at once. This requires using the octopus merge driver, which may not succeed if there are file-level conflicts.
-" \
- question \
- 0 \
- {Cancel} \
- {Use octopus} \
- ] != 1} return
- } 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
- }
-
- set msg "Merging $current_branch, [join $names {, }]"
- ui_status "$msg..."
- set cons [console::new "Merge" $msg]
- console::exec $cons $cmd \
- [namespace code [list _finish $revcnt $cons]]
-
- wm protocol $w WM_DELETE_WINDOW {}
- destroy $w
-}
-
-proc _finish {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 [git_read read-tree --reset -u HEAD]
- fconfigure $fd -blocking 0 -translation binary
- fileevent $fd readable \
- [namespace code [list _reset_wait $fd]]
- ui_status {Aborting... please wait...}
- return
- }
-
- set msg {Merge failed. Conflict resolution is required.}
- }
- unlock_index
- rescan [list ui_status $msg]
-}
-
-proc dialog {} {
- global current_branch
- global M1B
-
- if {![_can_merge]} return
-
- set fmt {list %(objectname) %(*objectname) %(refname) %(subject)}
- set fr_fd [git_read for-each-ref \
- --tcl \
- --format=$fmt \
- refs/heads \
- refs/remotes \
- refs/tags \
- ]
- fconfigure $fr_fd -translation binary
- while {[gets $fr_fd line] > 0} {
- set line [eval $line]
- set ref [lindex $line 2]
- regsub ^refs/(heads|remotes|tags)/ $ref {} ref
- set subj($ref) [lindex $line 3]
- lappend sha1([lindex $line 0]) $ref
- if {[lindex $line 1] ne {}} {
- lappend sha1([lindex $line 1]) $ref
- }
- }
- close $fr_fd
-
- set to_show {}
- set fr_fd [git_read rev-list --all --not HEAD]
- while {[gets $fr_fd line] > 0} {
- if {[catch {set ref $sha1($line)}]} continue
- foreach n $ref {
- lappend to_show [list $n $line]
- }
- }
- close $fr_fd
- set to_show [lsort -unique $to_show]
-
- set w .merge_setup
- toplevel $w
- wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
- set _visualize [namespace code [list _visualize $w $to_show]]
- set _start [namespace code [list _start $w $to_show]]
-
- 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 -command $_visualize
- pack $w.buttons.visualize -side left
- button $w.buttons.create -text Merge -command $_start
- pack $w.buttons.create -side right
- button $w.buttons.cancel \
- -text {Cancel} \
- -command "unlock_index;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}
- listbox $w.source.l \
- -height 10 \
- -width 70 \
- -font font_diff \
- -selectmode extended \
- -yscrollcommand [list $w.source.sby set]
- 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
-
- foreach ref $to_show {
- set n [lindex $ref 0]
- if {[string length $n] > 20} {
- set n "[string range $n 0 16]..."
- }
- $w.source.l insert end [format {%s %-20s %s} \
- [string range [lindex $ref 1] 0 5] \
- $n \
- $subj([lindex $ref 0])]
- }
-
- bind $w.source.l <Key-K> [list event generate %W <Shift-Key-Up>]
- bind $w.source.l <Key-J> [list event generate %W <Shift-Key-Down>]
- bind $w.source.l <Key-k> [list event generate %W <Key-Up>]
- bind $w.source.l <Key-j> [list event generate %W <Key-Down>]
- bind $w.source.l <Key-h> [list event generate %W <Key-Left>]
- bind $w.source.l <Key-l> [list event generate %W <Key-Right>]
- bind $w.source.l <Key-v> $_visualize
-
- bind $w <$M1B-Key-Return> $_start
- bind $w <Visibility> "grab $w; focus $w.source.l"
- bind $w <Key-Escape> "unlock_index;destroy $w"
- wm protocol $w WM_DELETE_WINDOW "unlock_index;destroy $w"
- wm title $w "[appname] ([reponame]): Merge"
- tkwait window $w
-}
-
-proc reset_hard {} {
- global HEAD commit_type file_states
-
- if {[string match amend* $commit_type]} {
- info_popup {Cannot abort while amending.
-
-You must finish amending this commit.
-}
- return
- }
-
- if {![lock_index abort]} return
-
- if {[string match *merge* $commit_type]} {
- set op merge
- } else {
- set op commit
- }
-
- if {[ask_popup "Abort $op?
-
-Aborting the current $op will cause *ALL* uncommitted changes to be lost.
-
-Continue with aborting the current $op?"] eq {yes}} {
- set fd [git_read read-tree --reset -u HEAD]
- fconfigure $fd -blocking 0 -translation binary
- fileevent $fd readable [namespace code [list _reset_wait $fd]]
- ui_status {Aborting... please wait...}
- } else {
- unlock_index
- }
-}
-
-proc _reset_wait {fd} {
- global ui_comm
-
- read $fd
- if {[eof $fd]} {
- close $fd
- unlock_index
-
- $ui_comm delete 0.0 end
- $ui_comm edit modified false
-
- 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]}
-
- rescan {ui_status {Abort completed. Ready.}}
- }
-}
-
-}