From d38eb710d92864b0b1f7cd36f17e273e3d8c735c Mon Sep 17 00:00:00 2001
From: Lars Hjemli <hjemli@gmail.com>
Date: Mon, 24 Sep 2007 00:51:42 +0200
Subject: git-merge: refactor option parsing

Move the option parsing into a separate function as preparation for reuse
by the next commit.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-merge.sh b/git-merge.sh
index 919e6be..49185eb 100755
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -119,11 +119,7 @@ merge_name () {
 	fi
 }
 
-case "$#" in 0) usage ;; esac
-
-have_message=
-while test $# != 0
-do
+parse_option () {
 	case "$1" in
 	-n|--n|--no|--no-|--no-s|--no-su|--no-sum|--no-summ|\
 		--no-summa|--no-summar|--no-summary)
@@ -166,9 +162,21 @@ do
 		have_message=t
 		;;
 	-*)	usage ;;
-	*)	break ;;
+	*)	return 1 ;;
 	esac
 	shift
+	args_left=$#
+}
+
+test $# != 0 || usage
+
+have_message=
+while parse_option "$@"
+do
+	while test $args_left -lt $#
+	do
+		shift
+	done
 done
 
 if test -z "$show_diffstat"; then
-- 
cgit v0.10.2-6-g49f6