1 # git-gui branch merge support
2 # Copyright (C) 2006, 2007 Shawn Pearce
6 field w ; # top level window
7 field w_rev ; # mega-widget to pick the revision to merge
10 global HEAD commit_type file_states
12 if {[string match amend* $commit_type]} {
13 info_popup [mc "Cannot merge while amending.
15 You must finish amending this commit before starting any type of merge.
20 if {[committer_ident] eq {}} {return 0}
21 if {![lock_index merge]} {return 0}
23 # -- Our in memory state should match the repository.
25 repository_state curType curHEAD curMERGE_HEAD
26 if {$commit_type ne $curType || $HEAD ne $curHEAD} {
27 info_popup [mc "Last scanned state does not match repository state.
29 Another Git program has modified this repository since the last scan. A rescan must be performed before a merge can be performed.
31 The rescan will be automatically started now.
38 foreach path [array names file_states] {
39 switch -glob -- [lindex $file_states($path) 0] {
41 continue; # and pray it works!
44 error_popup [mc "You are in the middle of a conflicted merge.
46 File %s has merge conflicts.
48 You must resolve them, stage the file, and commit to complete the current merge. Only then can you begin another merge.
54 error_popup [mc "You are in the middle of a change.
58 You should complete the current commit before starting a merge. Doing so will help you abort a failed merge, should the need arise.
70 if {[catch {$w_rev commit_or_die}]} {
76 method _visualize {} {
79 do_gitk [list $rev --not HEAD]
84 global HEAD current_branch remote_url
91 set spec [$w_rev get_tracking_branch]
92 set cmit [$w_rev get_commit]
94 set fh [open [gitdir FETCH_HEAD] w]
95 fconfigure $fh -translation lf
101 set remote $remote_url([lindex $spec 1])
102 if {[regexp {^[^:@]*@[^:]*:/} $remote]} {
103 regsub {^[^:@]*@} $remote {} remote
105 set branch [lindex $spec 2]
106 set stitle [mc "%s of %s" $branch $remote]
108 regsub ^refs/heads/ $branch {} branch
109 puts $fh "$cmit\t\tbranch '$branch' of $remote"
114 lappend cmd --strategy=recursive
115 lappend cmd [git fmt-merge-msg <[gitdir FETCH_HEAD]]
119 ui_status [mc "Merging %s and %s..." $current_branch $stitle]
120 set cons [console::new [mc "Merge"] "merge $stitle"]
121 console::exec $cons $cmd [cb _finish $cons]
123 wm protocol $w WM_DELETE_WINDOW {}
127 method _finish {cons ok} {
128 console::done $cons $ok
130 set msg [mc "Merge completed successfully."]
132 set msg [mc "Merge failed. Conflict resolution is required."]
135 rescan [list ui_status $msg]
139 constructor dialog {} {
140 global current_branch
143 if {![_can_merge $this]} {
149 wm title $top [append "[appname] ([reponame]): " [mc "Merge"]]
151 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
154 set _start [cb _start]
157 -text [mc "Merge Into %s" $current_branch] \
159 pack $w.header -side top -fill x
162 button $w.buttons.visualize \
163 -text [mc Visualize] \
164 -command [cb _visualize]
165 pack $w.buttons.visualize -side left
166 button $w.buttons.merge \
169 pack $w.buttons.merge -side right
170 button $w.buttons.cancel \
171 -text [mc "Cancel"] \
172 -command [cb _cancel]
173 pack $w.buttons.cancel -side right -padx 5
174 pack $w.buttons -side bottom -fill x -pady 10 -padx 10
176 set w_rev [::choose_rev::new_unmerged $w.rev [mc "Revision To Merge"]]
177 pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
179 bind $w <$M1B-Key-Return> $_start
180 bind $w <Key-Return> $_start
181 bind $w <Key-Escape> [cb _cancel]
182 wm protocol $w WM_DELETE_WINDOW [cb _cancel]
184 bind $w.buttons.merge <Visibility> [cb _visible]
190 if {[is_config_true gui.matchtrackingbranch]} {
191 $w_rev pick_tracking_branch
197 wm protocol $w WM_DELETE_WINDOW {}
205 namespace eval merge {
208 global HEAD commit_type file_states
210 if {[string match amend* $commit_type]} {
211 info_popup [mc "Cannot abort while amending.
213 You must finish amending this commit.
218 if {![lock_index abort]} return
220 if {[string match *merge* $commit_type]} {
221 set op_question [mc "Abort merge?
223 Aborting the current merge will cause *ALL* uncommitted changes to be lost.
225 Continue with aborting the current merge?"]
227 set op_question [mc "Reset changes?
229 Resetting the changes will cause *ALL* uncommitted changes to be lost.
231 Continue with resetting the current changes?"]
234 if {[ask_popup $op_question] eq {yes}} {
235 set fd [git_read --stderr read-tree --reset -u -v HEAD]
236 fconfigure $fd -blocking 0 -translation binary
237 fileevent $fd readable [namespace code [list _reset_wait $fd]]
238 $::main_status start [mc "Aborting"] [mc "files reset"]
244 proc _reset_wait {fd} {
247 $::main_status update_meter [read $fd]
249 fconfigure $fd -blocking 1
251 set fail [catch {close $fd} err]
255 $ui_comm delete 0.0 end
256 $ui_comm edit modified false
258 catch {file delete [gitdir MERGE_HEAD]}
259 catch {file delete [gitdir rr-cache MERGE_RR]}
260 catch {file delete [gitdir SQUASH_MSG]}
261 catch {file delete [gitdir MERGE_MSG]}
262 catch {file delete [gitdir GITGUI_MSG]}
265 warn_popup "[mc "Abort failed."]\n\n$err"
267 rescan {ui_status [mc "Abort completed. Ready."]}
269 fconfigure $fd -blocking 0