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-rwxr-xr-xgit-gui.sh3
-rw-r--r--lib/diff.tcl33
2 files changed, 21 insertions, 15 deletions
diff --git a/git-gui.sh b/git-gui.sh
index 20b8afe526..0d21f5688b 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -3589,6 +3589,9 @@ $ui_diff tag conf d_s- \
$ui_diff tag conf d< \
-foreground orange \
-font font_diffbold
+$ui_diff tag conf d| \
+ -foreground orange \
+ -font font_diffbold
$ui_diff tag conf d= \
-foreground orange \
-font font_diffbold
diff --git a/lib/diff.tcl b/lib/diff.tcl
index 958a0fa219..871ad488c2 100644
--- a/lib/diff.tcl
+++ b/lib/diff.tcl
@@ -270,19 +270,6 @@ proc show_other_diff {path w m cont_info} {
}
}
-proc get_conflict_marker_size {path} {
- set size 7
- catch {
- set fd_rc [eval [list git_read check-attr "conflict-marker-size" -- $path]]
- set ret [gets $fd_rc line]
- close $fd_rc
- if {$ret > 0} {
- regexp {.*: conflict-marker-size: (\d+)$} $line line size
- }
- }
- return $size
-}
-
proc start_show_diff {cont_info {add_opts {}}} {
global file_states file_lists
global is_3way_diff is_submodule_diff diff_active repo_config
@@ -298,7 +285,7 @@ proc start_show_diff {cont_info {add_opts {}}} {
set is_submodule_diff 0
set diff_active 1
set current_diff_header {}
- set conflict_size [get_conflict_marker_size $path]
+ set conflict_size [gitattr $path conflict-marker-size 7]
set cmd [list]
if {$w eq $ui_index} {
@@ -360,6 +347,10 @@ proc start_show_diff {cont_info {add_opts {}}} {
}
set ::current_diff_inheader 1
+ # Detect pre-image lines of the diff3 conflict-style. They are just
+ # '++' lines which is not bijective. Thus, we need to maintain a state
+ # across lines.
+ set ::conflict_in_pre_image 0
fconfigure $fd \
-blocking 0 \
-encoding [get_path_encoding $path] \
@@ -462,11 +453,23 @@ proc read_diff {fd conflict_size cont_info} {
{--} {set tags d_--}
{++} {
set regexp [string map [list %conflict_size $conflict_size]\
- {^\+\+([<>=]){%conflict_size}(?: |$)}]
+ {^\+\+([<>=|]){%conflict_size}(?: |$)}]
if {[regexp $regexp $line _g op]} {
set is_conflict_diff 1
set line [string replace $line 0 1 { }]
set tags d$op
+
+ # The ||| conflict-marker marks the start of the pre-image.
+ # All those lines are also prefixed with '++'. Thus we need
+ # to maintain this state.
+ set ::conflict_in_pre_image [expr {$op eq {|}}]
+ } elseif {$::conflict_in_pre_image} {
+ # This is a pre-image line. It is the one which both sides
+ # are based on. As it has also the '++' line start, it is
+ # normally shown as 'added'. Invert this to '--' to make
+ # it a 'removed' line.
+ set line [string replace $line 0 1 {--}]
+ set tags d_--
} else {
set tags d_++
}