From 07ba53f724b95a817f957b8e943c9e4f545a0949 Mon Sep 17 00:00:00 2001
From: Richard Quirk <richard.quirk@gmail.com>
Date: Sun, 27 Apr 2008 17:35:10 +0200
Subject: [PATCH] bash: Add completion for gitk --merge

Option is only completed when .git/MERGE_HEAD is present.

Signed-off-by: Richard Quirk <richard.quirk@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 contrib/completion/git-completion.bash | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 665a895f5ea..23db664f480 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1346,9 +1346,14 @@ _git ()
 _gitk ()
 {
 	local cur="${COMP_WORDS[COMP_CWORD]}"
+	local g="$(git rev-parse --git-dir 2>/dev/null)"
+	local merge=""
+	if [ -f $g/MERGE_HEAD ]; then
+		merge="--merge"
+	fi
 	case "$cur" in
 	--*)
-		__gitcomp "--not --all"
+		__gitcomp "--not --all $merge"
 		return
 		;;
 	esac