Re: [PATCH 2/2] git-gui: support for diff3 conflict style

>This adds highlight support for the diff3 conflict style.
>
>The common pre-image will be reversed to --, because it has been removed
>and either replaced with our or their side.
>
>Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
>
>---
> git-gui/git-gui.sh   |    3 +++
> git-gui/lib/diff.tcl |   10 ++++++++++
> 2 files changed, 13 insertions(+), 0 deletions(-)
>
>diff --git a/git-gui/git-gui.sh b/git-gui/git-gui.sh
>index 38362fa..0134438 100755
>--- a/git-gui/git-gui.sh
>+++ b/git-gui/git-gui.sh
>@@ -3354,6 +3354,9 @@ $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/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
>index d4e2ce3..ccd4c70 100644
>--- a/git-gui/lib/diff.tcl
>+++ b/git-gui/lib/diff.tcl
>@@ -339,6 +339,7 @@ proc start_show_diff {cont_info {add_opts {}}} {
> 	}
> 
> 	set ::current_diff_inheader 1
>+	set ::in_conflict_pre_image 0
> 	fconfigure $fd \
> 		-blocking 0 \
> 		-encoding [get_path_encoding $path] \
>@@ -420,6 +421,15 @@ proc read_diff {fd conflict_size cont_info} {
> 					set is_conflict_diff 1
> 					set line [string replace $line 0 1 {  }]
> 					set tags d$op
>+					set ::in_conflict_pre_image 0
>+				} elseif {[regexp {^\+\+\|{$conflict_size}(?: |$)} $line]} {
>+					set is_conflict_diff 1
>+					set line [string replace $line 0 1 {  }]
>+					set tags d|
>+					set ::in_conflict_pre_image 1
>+				} elseif ($::in_conflict_pre_image) {
>+					set line [string replace $line 0 1 {--}]
>+					set tags d_--
> 				} else {
> 					set tags d_++
> 				}