global HEAD commit_type file_states ui_comm repo_config
global ui_status_value pch_error
- if {![lock_index update]} return
if {[committer_ident] eq {}} return
+ if {![lock_index update]} return
# -- Our in memory state should match the repository.
#
tkwait window $w
}
+######################################################################
+##
+## merge
+
+proc can_merge {} {
+ global HEAD commit_type file_states
+
+ if {[string match amend* $commit_type]} {
+ info_popup {Cannot merge while amending.
+
+You must finish amending this commit before
+starting any type of merge.
+}
+ return 0
+ }
+
+ if {[committer_ident] eq {}} {return 0}
+ if {![lock_index merge]} {return 0}
+
+ # -- Our in memory state should match the repository.
+ #
+ repository_state curType curHEAD curMERGE_HEAD
+ if {$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 {set ui_status_value {Ready.}}
+ return 0
+ }
+
+ foreach path [array names file_states] {
+ switch -glob -- [lindex $file_states($path) 0] {
+ U? {
+ error_popup "You are in the middle of a conflicted merge.
+
+File [short_path $path] has merge conflicts.
+
+You must resolve them, add the file, and commit to
+complete the current merge. Only then can you
+begin another merge.
+"
+ unlock_index
+ return 0
+ }
+ }
+ }
+
+ return 1
+}
+
+proc visualize_local_merge {w} {
+ set revs {}
+ foreach i [$w.source.l curselection] {
+ lappend revs [$w.source.l get $i]
+ }
+ if {$revs eq {}} return
+ lappend revs --not HEAD
+ do_gitk $revs
+}
+
+proc start_local_merge_action {w} {
+ global HEAD
+
+ set cmd [list git merge]
+ set names {}
+ set revcnt 0
+ foreach i [$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
+ }
+
+ set cons [new_console "Merge" "Merging [join $names {, }]"]
+ console_exec $cons $cmd finish_merge
+ bind $w <Destroy> {}
+ destroy $w
+}
+
+proc finish_merge {w ok} {
+ console_done $w $ok
+ if {$ok} {
+ set msg {Merge completed successfully.}
+ } else {
+ set msg {Merge failed. Conflict resolution is required.}
+ }
+ unlock_index
+ rescan [list set ui_status_value $msg]
+}
+
+proc do_local_merge {} {
+ global current_branch
+
+ 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 25 \
+ -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) %(refname)}
+ lappend cmd refs/heads
+ lappend cmd refs/remotes
+ 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 1]
+ }
+ 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)/ $ref {} ref
+ lappend to_show $ref
+ }
+ close $fr_fd
+
+ foreach ref [lsort -unique $to_show] {
+ $w.source.l insert end $ref
+ }
+
+ 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 $w
+}
+
######################################################################
##
## icons
}
.mbar add cascade -label Commit -menu .mbar.commit
if {!$single_commit} {
+ .mbar add cascade -label Merge -menu .mbar.merge
.mbar add cascade -label Fetch -menu .mbar.fetch
.mbar add cascade -label Push -menu .mbar.push
}
lappend disable_on_lock \
[list .mbar.commit entryconf [.mbar.commit index last] -state]
-# -- Transport menus
-#
-if {!$single_commit} {
- menu .mbar.fetch
- menu .mbar.push
-
- .mbar.push add command -label {Push...} \
- -command do_push_anywhere \
- -font font_ui
-}
-
if {[is_MacOSX]} {
# -- Apple Menu (Mac OS X only)
#
pack .branch.cb -side left -fill x
pack .branch -side top -fill x
+if {!$single_commit} {
+ menu .mbar.merge
+ .mbar.merge add command -label {Local Merge...} \
+ -command do_local_merge \
+ -font font_ui
+ lappend disable_on_lock \
+ [list .mbar.merge entryconf [.mbar.merge index last] -state]
+
+ menu .mbar.fetch
+
+ menu .mbar.push
+ .mbar.push add command -label {Push...} \
+ -command do_push_anywhere \
+ -font font_ui
+}
+
# -- Main Window Layout
#
panedwindow .vpane -orient vertical