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-rw-r--r--git-gui/lib/blame.tcl164
-rw-r--r--git-gui/lib/browser.tcl2
-rw-r--r--git-gui/lib/commit.tcl3
-rw-r--r--git-gui/lib/diff.tcl114
-rw-r--r--git-gui/lib/index.tcl12
-rw-r--r--git-gui/lib/mergetool.tcl373
-rw-r--r--git-gui/lib/option.tcl2
7 files changed, 641 insertions, 29 deletions
diff --git a/git-gui/lib/blame.tcl b/git-gui/lib/blame.tcl
index b6e42cb..827c85d 100644
--- a/git-gui/lib/blame.tcl
+++ b/git-gui/lib/blame.tcl
@@ -58,7 +58,7 @@ field tooltip_t {} ; # Text widget in $tooltip_wm
field tooltip_timer {} ; # Current timer event for our tooltip
field tooltip_commit {} ; # Commit(s) in tooltip
-constructor new {i_commit i_path} {
+constructor new {i_commit i_path i_jump} {
global cursor_ptr
variable active_color
variable group_colors
@@ -259,6 +259,12 @@ constructor new {i_commit i_path} {
$w.ctxm add command \
-label [mc "Do Full Copy Detection"] \
-command [cb _fullcopyblame]
+ $w.ctxm add command \
+ -label [mc "Show History Context"] \
+ -command [cb _gitkcommit]
+ $w.ctxm add command \
+ -label [mc "Blame Parent Commit"] \
+ -command [cb _blameparent]
foreach i $w_columns {
for {set g 0} {$g < [llength $group_colors]} {incr g} {
@@ -332,7 +338,7 @@ constructor new {i_commit i_path} {
wm protocol $top WM_DELETE_WINDOW "destroy $top"
bind $top <Destroy> [cb _kill]
- _load $this {}
+ _load $this $i_jump
}
method _kill {} {
@@ -787,19 +793,27 @@ method _load_commit {cur_w cur_d pos} {
set lno [lindex [split [$cur_w index $pos] .] 0]
set dat [lindex $line_data $lno]
if {$dat ne {}} {
- lappend history [list \
- $commit $path \
- $highlight_column \
- $highlight_line \
- [lindex [$w_file xview] 0] \
- [lindex [$w_file yview] 0] \
- ]
- set commit [lindex $dat 0]
- set path [lindex $dat 1]
- _load $this [list [lindex $dat 2]]
+ _load_new_commit $this \
+ [lindex $dat 0] \
+ [lindex $dat 1] \
+ [list [lindex $dat 2]]
}
}
+method _load_new_commit {new_commit new_path jump} {
+ lappend history [list \
+ $commit $path \
+ $highlight_column \
+ $highlight_line \
+ [lindex [$w_file xview] 0] \
+ [lindex [$w_file yview] 0] \
+ ]
+
+ set commit $new_commit
+ set path $new_path
+ _load $this $jump
+}
+
method _showcommit {cur_w lno} {
global repo_config
variable active_color
@@ -905,10 +919,14 @@ method _showcommit {cur_w lno} {
}
}
-method _copycommit {} {
+method _get_click_amov_info {} {
set pos @$::cursorX,$::cursorY
set lno [lindex [split [$::cursorW index $pos] .] 0]
- set dat [lindex $amov_data $lno]
+ return [lindex $amov_data $lno]
+}
+
+method _copycommit {} {
+ set dat [_get_click_amov_info $this]
if {$dat ne {}} {
clipboard clear
clipboard append \
@@ -918,6 +936,124 @@ method _copycommit {} {
}
}
+method _format_offset_date {base offset} {
+ set exval [expr {$base + $offset*24*60*60}]
+ return [clock format $exval -format {%Y-%m-%d}]
+}
+
+method _gitkcommit {} {
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ set cmit [lindex $dat 0]
+ set radius [get_config gui.blamehistoryctx]
+ set cmdline [list --select-commit=$cmit]
+
+ if {$radius > 0} {
+ set author_time {}
+ set committer_time {}
+
+ catch {set author_time $header($cmit,author-time)}
+ catch {set committer_time $header($cmit,committer-time)}
+
+ if {$committer_time eq {}} {
+ set committer_time $author_time
+ }
+
+ set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
+ set before_time [_format_offset_date $this $committer_time $radius]
+
+ lappend cmdline --after=$after_time --before=$before_time
+ }
+
+ lappend cmdline $cmit
+
+ set base_rev "HEAD"
+ if {$commit ne {}} {
+ set base_rev $commit
+ }
+
+ if {$base_rev ne $cmit} {
+ lappend cmdline $base_rev
+ }
+
+ do_gitk $cmdline
+ }
+}
+
+method _blameparent {} {
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ set cmit [lindex $dat 0]
+ set new_path [lindex $dat 1]
+
+ if {[catch {set cparent [git rev-parse --verify "$cmit^"]}]} {
+ error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
+ return;
+ }
+
+ _kill $this
+
+ # Generate a diff between the commit and its parent,
+ # and use the hunks to update the line number.
+ # Request zero context to simplify calculations.
+ if {[catch {set fd [eval git_read diff-tree \
+ --unified=0 $cparent $cmit $new_path]} err]} {
+ $status stop [mc "Unable to display parent"]
+ error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
+ return
+ }
+
+ set r_orig_line [lindex $dat 2]
+
+ fconfigure $fd \
+ -blocking 0 \
+ -encoding binary \
+ -translation binary
+ fileevent $fd readable [cb _read_diff_load_commit \
+ $fd $cparent $new_path $r_orig_line]
+ set current_fd $fd
+ }
+}
+
+method _read_diff_load_commit {fd cparent new_path tline} {
+ if {$fd ne $current_fd} {
+ catch {close $fd}
+ return
+ }
+
+ while {[gets $fd line] >= 0} {
+ if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
+ old_line osz old_size new_line nsz new_size]} {
+
+ if {$osz eq {}} { set old_size 1 }
+ if {$nsz eq {}} { set new_size 1 }
+
+ if {$new_line <= $tline} {
+ if {[expr {$new_line + $new_size}] > $tline} {
+ # Target line within the hunk
+ set line_shift [expr {
+ ($new_size-$old_size)*($tline-$new_line)/$new_size
+ }]
+ } else {
+ set line_shift [expr {$new_size-$old_size}]
+ }
+
+ set r_orig_line [expr {$r_orig_line - $line_shift}]
+ }
+ }
+ }
+
+ if {[eof $fd]} {
+ close $fd;
+ set current_fd {}
+
+ _load_new_commit $this \
+ $cparent \
+ $new_path \
+ [list $r_orig_line]
+ }
+} ifdeleted { catch {close $fd} }
+
method _show_tooltip {cur_w pos} {
if {$tooltip_wm ne {}} {
_open_tooltip $this $cur_w
diff --git a/git-gui/lib/browser.tcl b/git-gui/lib/browser.tcl
index ab470d1..0410cc6 100644
--- a/git-gui/lib/browser.tcl
+++ b/git-gui/lib/browser.tcl
@@ -151,7 +151,7 @@ method _enter {} {
append p [lindex $n 1]
}
append p $name
- blame::new $browser_commit $p
+ blame::new $browser_commit $p {}
}
}
}
diff --git a/git-gui/lib/commit.tcl b/git-gui/lib/commit.tcl
index 40a7103..2977315 100644
--- a/git-gui/lib/commit.tcl
+++ b/git-gui/lib/commit.tcl
@@ -149,7 +149,9 @@ The rescan will be automatically started now.
_? {continue}
A? -
D? -
+ T_ -
M? {set files_ready 1}
+ _U -
U? {
error_popup [mc "Unmerged files cannot be committed.
@@ -428,6 +430,7 @@ A rescan will be automatically started now.
__ -
A_ -
M_ -
+ T_ -
D_ {
unset file_states($path)
catch {unset selected_paths($path)}
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
index 1970b60..a30c80a 100644
--- a/git-gui/lib/diff.tcl
+++ b/git-gui/lib/diff.tcl
@@ -24,10 +24,16 @@ proc reshow_diff {} {
set p $current_diff_path
if {$p eq {}} {
# No diff is being shown.
- } elseif {$current_diff_side eq {}
- || [catch {set s $file_states($p)}]
- || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
+ } elseif {$current_diff_side eq {}} {
clear_diff
+ } elseif {[catch {set s $file_states($p)}]
+ || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
+
+ if {[find_next_diff $current_diff_side $p {} {[^O]}]} {
+ next_diff
+ } else {
+ clear_diff
+ }
} else {
set save_pos [lindex [$ui_diff yview] 0]
show_diff $p $current_diff_side {} $save_pos
@@ -59,6 +65,7 @@ proc show_diff {path w {lno {}} {scroll_pos {}}} {
global is_3way_diff diff_active repo_config
global ui_diff ui_index ui_workdir
global current_diff_path current_diff_side current_diff_header
+ global current_diff_queue
if {$diff_active || ![lock_index read]} return
@@ -71,17 +78,74 @@ proc show_diff {path w {lno {}} {scroll_pos {}}} {
}
if {$lno >= 1} {
$w tag add in_diff $lno.0 [expr {$lno + 1}].0
+ $w see $lno.0
}
set s $file_states($path)
set m [lindex $s 0]
- set is_3way_diff 0
- set diff_active 1
set current_diff_path $path
set current_diff_side $w
- set current_diff_header {}
+ set current_diff_queue {}
ui_status [mc "Loading diff of %s..." [escape_path $path]]
+ if {[string first {U} $m] >= 0} {
+ merge_load_stages $path [list show_unmerged_diff $scroll_pos]
+ } elseif {$m eq {_O}} {
+ show_other_diff $path $w $m $scroll_pos
+ } else {
+ start_show_diff $scroll_pos
+ }
+}
+
+proc show_unmerged_diff {scroll_pos} {
+ global current_diff_path current_diff_side
+ global merge_stages ui_diff
+ global current_diff_queue
+
+ if {$merge_stages(2) eq {}} {
+ lappend current_diff_queue \
+ [list "LOCAL: deleted\nREMOTE:\n" d======= \
+ [list ":1:$current_diff_path" ":3:$current_diff_path"]]
+ } elseif {$merge_stages(3) eq {}} {
+ lappend current_diff_queue \
+ [list "REMOTE: deleted\nLOCAL:\n" d======= \
+ [list ":1:$current_diff_path" ":2:$current_diff_path"]]
+ } elseif {[lindex $merge_stages(1) 0] eq {120000}
+ || [lindex $merge_stages(2) 0] eq {120000}
+ || [lindex $merge_stages(3) 0] eq {120000}} {
+ lappend current_diff_queue \
+ [list "LOCAL:\n" d======= \
+ [list ":1:$current_diff_path" ":2:$current_diff_path"]]
+ lappend current_diff_queue \
+ [list "REMOTE:\n" d======= \
+ [list ":1:$current_diff_path" ":3:$current_diff_path"]]
+ } else {
+ start_show_diff $scroll_pos
+ return
+ }
+
+ advance_diff_queue $scroll_pos
+}
+
+proc advance_diff_queue {scroll_pos} {
+ global current_diff_queue ui_diff
+
+ set item [lindex $current_diff_queue 0]
+ set current_diff_queue [lrange $current_diff_queue 1 end]
+
+ $ui_diff conf -state normal
+ $ui_diff insert end [lindex $item 0] [lindex $item 1]
+ $ui_diff conf -state disabled
+
+ start_show_diff $scroll_pos [lindex $item 2]
+}
+
+proc show_other_diff {path w m scroll_pos} {
+ global file_states file_lists
+ global is_3way_diff diff_active repo_config
+ global ui_diff ui_index ui_workdir
+ global current_diff_path current_diff_side current_diff_header
+
# - Git won't give us the diff, there's nothing to compare to!
#
if {$m eq {_O}} {
@@ -160,13 +224,29 @@ proc show_diff {path w {lno {}} {scroll_pos {}}} {
ui_ready
return
}
+}
+
+proc start_show_diff {scroll_pos {add_opts {}}} {
+ global file_states file_lists
+ global is_3way_diff diff_active repo_config
+ global ui_diff ui_index ui_workdir
+ global current_diff_path current_diff_side current_diff_header
+
+ set path $current_diff_path
+ set w $current_diff_side
+
+ set s $file_states($path)
+ set m [lindex $s 0]
+ set is_3way_diff 0
+ set diff_active 1
+ set current_diff_header {}
set cmd [list]
if {$w eq $ui_index} {
lappend cmd diff-index
lappend cmd --cached
} elseif {$w eq $ui_workdir} {
- if {[string index $m 0] eq {U}} {
+ if {[string first {U} $m] >= 0} {
lappend cmd diff
} else {
lappend cmd diff-files
@@ -181,8 +261,12 @@ proc show_diff {path w {lno {}} {scroll_pos {}}} {
if {$w eq $ui_index} {
lappend cmd [PARENT]
}
- lappend cmd --
- lappend cmd $path
+ if {$add_opts ne {}} {
+ eval lappend cmd $add_opts
+ } else {
+ lappend cmd --
+ lappend cmd $path
+ }
if {[catch {set fd [eval git_read --nice $cmd]} err]} {
set diff_active 0
@@ -203,6 +287,7 @@ proc show_diff {path w {lno {}} {scroll_pos {}}} {
proc read_diff {fd scroll_pos} {
global ui_diff diff_active
global is_3way_diff current_diff_header
+ global current_diff_queue
$ui_diff conf -state normal
while {[gets $fd line] >= 0} {
@@ -290,6 +375,12 @@ proc read_diff {fd scroll_pos} {
if {[eof $fd]} {
close $fd
+
+ if {$current_diff_queue ne {}} {
+ advance_diff_queue $scroll_pos
+ return
+ }
+
set diff_active 0
unlock_index
if {$scroll_pos ne {}} {
@@ -370,10 +461,9 @@ proc apply_hunk {x y} {
}
unlock_index
display_file $current_diff_path $mi
+ # This should trigger shift to the next changed file
if {$o eq {_}} {
- clear_diff
- } else {
- set current_diff_path $current_diff_path
+ reshow_diff
}
}
diff --git a/git-gui/lib/index.tcl b/git-gui/lib/index.tcl
index 3c1fce7..b045219 100644
--- a/git-gui/lib/index.tcl
+++ b/git-gui/lib/index.tcl
@@ -99,6 +99,7 @@ proc write_update_indexinfo {fd pathList totalCnt batch after} {
switch -glob -- [lindex $s 0] {
A? {set new _O}
M? {set new _M}
+ T_ {set new _T}
D_ {set new _D}
D? {set new _?}
?? {continue}
@@ -162,6 +163,8 @@ proc write_update_index {fd pathList totalCnt batch after} {
?D {set new D_}
_O -
AM {set new A_}
+ _T {set new T_}
+ _U -
U? {
if {[file exists $path]} {
set new M_
@@ -231,6 +234,7 @@ proc write_checkout_index {fd pathList totalCnt batch after} {
switch -glob -- [lindex $file_states($path) 0] {
U? {continue}
?M -
+ ?T -
?D {
puts -nonewline $fd "[encoding convertto $path]\0"
display_file $path ?_
@@ -252,6 +256,7 @@ proc unstage_helper {txt paths} {
switch -glob -- [lindex $file_states($path) 0] {
A? -
M? -
+ T_ -
D? {
lappend pathList $path
if {$path eq $current_diff_path} {
@@ -296,6 +301,7 @@ proc add_helper {txt paths} {
_O -
?M -
?D -
+ ?T -
U? {
lappend pathList $path
if {$path eq $current_diff_path} {
@@ -336,6 +342,7 @@ proc do_add_all {} {
switch -glob -- [lindex $file_states($path) 0] {
U? {continue}
?M -
+ ?T -
?D {lappend paths $path}
}
}
@@ -353,6 +360,7 @@ proc revert_helper {txt paths} {
switch -glob -- [lindex $file_states($path) 0] {
U? {continue}
?M -
+ ?T -
?D {
lappend pathList $path
if {$path eq $current_diff_path} {
@@ -409,11 +417,11 @@ proc do_revert_selection {} {
if {[array size selected_paths] > 0} {
revert_helper \
- {Reverting selected files} \
+ [mc "Reverting selected files"] \
[array names selected_paths]
} elseif {$current_diff_path ne {}} {
revert_helper \
- "Reverting [short_path $current_diff_path]" \
+ [mc "Reverting %s" [short_path $current_diff_path]] \
[list $current_diff_path]
}
}
diff --git a/git-gui/lib/mergetool.tcl b/git-gui/lib/mergetool.tcl
new file mode 100644
index 0000000..79c58bc
--- /dev/null
+++ b/git-gui/lib/mergetool.tcl
@@ -0,0 +1,373 @@
+# git-gui merge conflict resolution
+# parts based on git-mergetool (c) 2006 Theodore Y. Ts'o
+
+proc merge_resolve_one {stage} {
+ global current_diff_path
+
+ switch -- $stage {
+ 1 { set target [mc "the base version"] }
+ 2 { set target [mc "this branch"] }
+ 3 { set target [mc "the other branch"] }
+ }
+
+ set op_question [mc "Force resolution to %s?
+Note that the diff shows only conflicting changes.
+
+%s will be overwritten.
+
+This operation can be undone only by restarting the merge." \
+ $target [short_path $current_diff_path]]
+
+ if {[ask_popup $op_question] eq {yes}} {
+ merge_load_stages $current_diff_path [list merge_force_stage $stage]
+ }
+}
+
+proc merge_add_resolution {path} {
+ global current_diff_path ui_workdir
+
+ set after [next_diff_after_action $ui_workdir $path {} {^_?U}]
+
+ update_index \
+ [mc "Adding resolution for %s" [short_path $path]] \
+ [list $path] \
+ [concat $after [list ui_ready]]
+}
+
+proc merge_force_stage {stage} {
+ global current_diff_path merge_stages
+
+ if {$merge_stages($stage) ne {}} {
+ git checkout-index -f --stage=$stage -- $current_diff_path
+ } else {
+ file delete -- $current_diff_path
+ }
+
+ merge_add_resolution $current_diff_path
+}
+
+proc merge_load_stages {path cont} {
+ global merge_stages_fd merge_stages merge_stages_buf
+
+ if {[info exists merge_stages_fd]} {
+ catch { kill_file_process $merge_stages_fd }
+ catch { close $merge_stages_fd }
+ }
+
+ set merge_stages(0) {}
+ set merge_stages(1) {}
+ set merge_stages(2) {}
+ set merge_stages(3) {}
+ set merge_stages_buf {}
+
+ set merge_stages_fd [eval git_read ls-files -u -z -- $path]
+
+ fconfigure $merge_stages_fd -blocking 0 -translation binary -encoding binary
+ fileevent $merge_stages_fd readable [list read_merge_stages $merge_stages_fd $cont]
+}
+
+proc read_merge_stages {fd cont} {
+ global merge_stages_buf merge_stages_fd merge_stages
+
+ append merge_stages_buf [read $fd]
+ set pck [split $merge_stages_buf "\0"]
+ set merge_stages_buf [lindex $pck end]
+
+ if {[eof $fd] && $merge_stages_buf ne {}} {
+ lappend pck {}
+ set merge_stages_buf {}
+ }
+
+ foreach p [lrange $pck 0 end-1] {
+ set fcols [split $p "\t"]
+ set cols [split [lindex $fcols 0] " "]
+ set stage [lindex $cols 2]
+
+ set merge_stages($stage) [lrange $cols 0 1]
+ }
+
+ if {[eof $fd]} {
+ close $fd
+ unset merge_stages_fd
+ 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" }
+ araxis { set merge_tool_path "compare" }
+ 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"]
+ }
+ }
+ winmerge {
+ if {$base_stage ne {}} {
+ # This tool does not support 3-way merges.
+ # Use the 'conflict file' resolution feature instead.
+ set cmdline [list "$merge_tool_path" -e -ub "$MERGED"]
+ } else {
+ set cmdline [list "$merge_tool_path" -e -ub -wl \
+ -dl "Theirs File" -dr "Mine File" "$REMOTE" "$LOCAL" "$MERGED"]
+ }
+ }
+ araxis {
+ if {$base_stage ne {}} {
+ set cmdline [list "$merge_tool_path" -wait -merge -3 -a1 \
+ -title1:"'$MERGED (Base)'" -title2:"'$MERGED (Local)'" \
+ -title3:"'$MERGED (Remote)'" \
+ "$BASE" "$LOCAL" "$REMOTE" "$MERGED"]
+ } else {
+ set cmdline [list "$merge_tool_path" -wait -2 \
+ -title1:"'$MERGED (Local)'" -title2:"'$MERGED (Remote)'" \
+ "$LOCAL" "$REMOTE" "$MERGED"]
+ }
+ }
+ p4merge {
+ set cmdline [list "$merge_tool_path" "$BASE" "$REMOTE" "$LOCAL" "$MERGED"]
+ }
+ 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
+ catch { close [open $fname w] }
+ } else {
+ # A hack to support autocrlf properly
+ git checkout-index -f --stage=$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/git-gui/lib/option.tcl b/git-gui/lib/option.tcl
index 5e1346e..9b865f6 100644
--- a/git-gui/lib/option.tcl
+++ b/git-gui/lib/option.tcl
@@ -119,12 +119,14 @@ 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"}}
{b gui.matchtrackingbranch {mc "Match Tracking Branches"}}
{b gui.fastcopyblame {mc "Blame Copy Only On Changed Files"}}
{i-20..200 gui.copyblamethreshold {mc "Minimum Letters To Blame Copy On"}}
+ {i-0..300 gui.blamehistoryctx {mc "Blame History Context Radius (days)"}}
{i-1..99 gui.diffcontext {mc "Number of Diff Context Lines"}}
{i-0..99 gui.commitmsgwidth {mc "Commit Message Text Width"}}
{t gui.newbranchtemplate {mc "New Branch Name Template"}}