diff options
| -rwxr-xr-x | git-gui.sh | 7 | ||||
| -rw-r--r-- | lib/mergetool.tcl | 252 | ||||
| -rw-r--r-- | lib/option.tcl | 1 |
3 files changed, 260 insertions, 0 deletions
diff --git a/git-gui.sh b/git-gui.sh index 3ce33283c2..677a27150c 100755 --- a/git-gui.sh +++ b/git-gui.sh @@ -657,6 +657,8 @@ proc apply_config {} { } set default_config(branch.autosetupmerge) true +set default_config(merge.tool) {} +set default_config(merge.keepbackup) true set default_config(merge.diffstat) true set default_config(merge.summary) false set default_config(merge.verbosity) 2 @@ -2776,6 +2778,11 @@ create_common_diff_popup $ctxm set ctxmmg .vpane.lower.diff.body.ctxmmg menu $ctxmmg -tearoff 0 $ctxmmg add command \ + -label [mc "Run Merge Tool"] \ + -command {merge_resolve_tool} +lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state] +$ctxmmg add separator +$ctxmmg add command \ -label [mc "Use Remote Version"] \ -command {merge_resolve_one 3} lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state] diff --git a/lib/mergetool.tcl b/lib/mergetool.tcl index 7945d746f8..ba9e8cee8c 100644 --- a/lib/mergetool.tcl +++ b/lib/mergetool.tcl @@ -96,3 +96,255 @@ proc read_merge_stages {fd cont} { eval $cont } } + +proc merge_resolve_tool {} { + global current_diff_path + + merge_load_stages $current_diff_path [list merge_resolve_tool2] +} + +proc merge_resolve_tool2 {} { + global current_diff_path merge_stages + + # Validate the stages + if {$merge_stages(2) eq {} || + [lindex $merge_stages(2) 0] eq {120000} || + [lindex $merge_stages(2) 0] eq {160000} || + $merge_stages(3) eq {} || + [lindex $merge_stages(3) 0] eq {120000} || + [lindex $merge_stages(3) 0] eq {160000} + } { + error_popup [mc "Cannot resolve deletion or link conflicts using a tool"] + return + } + + if {![file exists $current_diff_path]} { + error_popup [mc "Conflict file does not exist"] + return + } + + # Determine the tool to use + set tool [get_config merge.tool] + if {$tool eq {}} { set tool meld } + + set merge_tool_path [get_config "mergetool.$tool.path"] + if {$merge_tool_path eq {}} { + switch -- $tool { + emerge { set merge_tool_path "emacs" } + default { set merge_tool_path $tool } + } + } + + # Make file names + set filebase [file rootname $current_diff_path] + set fileext [file extension $current_diff_path] + set basename [lindex [file split $current_diff_path] end] + + set MERGED $current_diff_path + set BASE "./$MERGED.BASE$fileext" + set LOCAL "./$MERGED.LOCAL$fileext" + set REMOTE "./$MERGED.REMOTE$fileext" + set BACKUP "./$MERGED.BACKUP$fileext" + + set base_stage $merge_stages(1) + + # Build the command line + switch -- $tool { + kdiff3 { + if {$base_stage ne {}} { + set cmdline [list "$merge_tool_path" --auto --L1 "$MERGED (Base)" \ + --L2 "$MERGED (Local)" --L3 "$MERGED (Remote)" -o "$MERGED" "$BASE" "$LOCAL" "$REMOTE"] + } else { + set cmdline [list "$merge_tool_path" --auto --L1 "$MERGED (Local)" \ + --L2 "$MERGED (Remote)" -o "$MERGED" "$LOCAL" "$REMOTE"] + } + } + tkdiff { + if {$base_stage ne {}} { + set cmdline [list "$merge_tool_path" -a "$BASE" -o "$MERGED" "$LOCAL" "$REMOTE"] + } else { + set cmdline [list "$merge_tool_path" -o "$MERGED" "$LOCAL" "$REMOTE"] + } + } + meld { + set cmdline [list "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE"] + } + gvimdiff { + set cmdline [list "$merge_tool_path" -f "$LOCAL" "$MERGED" "$REMOTE"] + } + xxdiff { + if {$base_stage ne {}} { + set cmdline [list "$merge_tool_path" -X --show-merged-pane \ + -R {Accel.SaveAsMerged: "Ctrl-S"} \ + -R {Accel.Search: "Ctrl+F"} \ + -R {Accel.SearchForward: "Ctrl-G"} \ + --merged-file "$MERGED" "$LOCAL" "$BASE" "$REMOTE"] + } else { + set cmdline [list "$merge_tool_path" -X --show-merged-pane \ + -R {Accel.SaveAsMerged: "Ctrl-S"} \ + -R {Accel.Search: "Ctrl+F"} \ + -R {Accel.SearchForward: "Ctrl-G"} \ + --merged-file "$MERGED" "$LOCAL" "$REMOTE"] + } + } + opendiff { + if {$base_stage ne {}} { + set cmdline [list "$merge_tool_path" "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$MERGED"] + } else { + set cmdline [list "$merge_tool_path" "$LOCAL" "$REMOTE" -merge "$MERGED"] + } + } + ecmerge { + if {$base_stage ne {}} { + set cmdline [list "$merge_tool_path" "$BASE" "$LOCAL" "$REMOTE" --default --mode=merge3 --to="$MERGED"] + } else { + set cmdline [list "$merge_tool_path" "$LOCAL" "$REMOTE" --default --mode=merge2 --to="$MERGED"] + } + } + emerge { + if {$base_stage ne {}} { + set cmdline [list "$merge_tool_path" -f emerge-files-with-ancestor-command \ + "$LOCAL" "$REMOTE" "$BASE" "$basename"] + } else { + set cmdline [list "$merge_tool_path" -f emerge-files-command \ + "$LOCAL" "$REMOTE" "$basename"] + } + } + vimdiff { + error_popup [mc "Not a GUI merge tool: '%s'" $tool] + return + } + default { + error_popup [mc "Unsupported merge tool '%s'" $tool] + return + } + } + + merge_tool_start $cmdline $MERGED $BACKUP [list $BASE $LOCAL $REMOTE] +} + +proc delete_temp_files {files} { + foreach fname $files { + file delete $fname + } +} + +proc merge_tool_get_stages {target stages} { + global merge_stages + + set i 1 + foreach fname $stages { + if {$merge_stages($i) eq {}} { + file delete $fname + } else { + # A hack to support autocrlf properly + git checkout-index -f --stage=$i -- $target + file rename -force -- $target $fname + } + incr i + } +} + +proc merge_tool_start {cmdline target backup stages} { + global merge_stages mtool_target mtool_tmpfiles mtool_fd mtool_mtime + + if {[info exists mtool_fd]} { + if {[ask_popup [mc "Merge tool is already running, terminate it?"]] eq {yes}} { + catch { kill_file_process $mtool_fd } + catch { close $mtool_fd } + unset mtool_fd + + set old_backup [lindex $mtool_tmpfiles end] + file rename -force -- $old_backup $mtool_target + delete_temp_files $mtool_tmpfiles + } else { + return + } + } + + # Save the original file + file rename -force -- $target $backup + + # Get the blobs; it destroys $target + if {[catch {merge_tool_get_stages $target $stages} err]} { + file rename -force -- $backup $target + delete_temp_files $stages + error_popup [mc "Error retrieving versions:\n%s" $err] + return + } + + # Restore the conflict file + file copy -force -- $backup $target + + # Initialize global state + set mtool_target $target + set mtool_mtime [file mtime $target] + set mtool_tmpfiles $stages + + lappend mtool_tmpfiles $backup + + # Force redirection to avoid interpreting output on stderr + # as an error, and launch the tool + lappend cmdline {2>@1} + + if {[catch { set mtool_fd [_open_stdout_stderr $cmdline] } err]} { + delete_temp_files $mtool_tmpfiles + error_popup [mc "Could not start the merge tool:\n\n%s" $err] + return + } + + ui_status [mc "Running merge tool..."] + + fconfigure $mtool_fd -blocking 0 -translation binary -encoding binary + fileevent $mtool_fd readable [list read_mtool_output $mtool_fd] +} + +proc read_mtool_output {fd} { + global mtool_fd mtool_tmpfiles + + read $fd + if {[eof $fd]} { + unset mtool_fd + + fconfigure $fd -blocking 1 + merge_tool_finish $fd + } +} + +proc merge_tool_finish {fd} { + global mtool_tmpfiles mtool_target mtool_mtime + + set backup [lindex $mtool_tmpfiles end] + set failed 0 + + # Check the return code + if {[catch {close $fd} err]} { + set failed 1 + if {$err ne {child process exited abnormally}} { + error_popup [strcat [mc "Merge tool failed."] "\n\n$err"] + } + } + + # Check the modification time of the target file + if {!$failed && [file mtime $mtool_target] eq $mtool_mtime} { + if {[ask_popup [mc "File %s unchanged, still accept as resolved?" \ + [short_path $mtool_target]]] ne {yes}} { + set failed 1 + } + } + + # Finish + if {$failed} { + file rename -force -- $backup $mtool_target + delete_temp_files $mtool_tmpfiles + ui_status [mc "Merge tool failed."] + } else { + if {[is_config_true merge.keepbackup]} { + file rename -force -- $backup "$mtool_target.orig" + } + + delete_temp_files $mtool_tmpfiles + + merge_add_resolution $mtool_target + } +} diff --git a/lib/option.tcl b/lib/option.tcl index 2d4b97b7d3..9b865f6a75 100644 --- a/lib/option.tcl +++ b/lib/option.tcl @@ -119,6 +119,7 @@ proc do_options {} { {b merge.summary {mc "Summarize Merge Commits"}} {i-1..5 merge.verbosity {mc "Merge Verbosity"}} {b merge.diffstat {mc "Show Diffstat After Merge"}} + {t merge.tool {mc "Use Merge Tool"}} {b gui.trustmtime {mc "Trust File Modification Timestamps"}} {b gui.pruneduringfetch {mc "Prune Tracking Branches During Fetch"}} |