From 67f1fe5f08d3f6146cf13f8a65ceeab1509581a8 Mon Sep 17 00:00:00 2001
From: Thomas Rast <trast@student.ethz.ch>
Date: Mon, 16 Feb 2009 17:34:57 +0100
Subject: [PATCH] bash completion: only show 'log --merge' if merging

The gitk completion only shows --merge if MERGE_HEAD is present.
Do it the same way for git-log completion.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
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 554a03ff4f..0bb74c05e5 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -937,6 +937,11 @@ _git_log ()
 	__git_has_doubledash && return
 
 	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
 	--pretty=*)
 		__gitcomp "
@@ -968,7 +973,7 @@ _git_log ()
 			--decorate --diff-filter=
 			--color-words --walk-reflogs
 			--parents --children --full-history
-			--merge
+			$merge
 			"
 		return
 		;;