From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 29 Jun 2007 00:01:48 GMT
Subject: Re: [PATCH] git-tag: Fix the main while loop exit condition.
Message-ID: <7vy7i3mxw3.fsf@assigned-by-dhcp.pobox.com>
In-Reply-To: <11830498172717-git-send-email-alexandre@peadrop.com>

Thanks.

I think you would need something like this on top if you want to
really fix it, though.

I also suspect that we should error out on:

	$ git tag -l foo bar

but that will be left as an exercise to the readers ;-)

diff --git a/git-tag.sh b/git-tag.sh
index bc0d735..48b54a1 100755
--- a/git-tag.sh
+++ b/git-tag.sh
@@ -14,7 +14,8 @@ username=
 list=
 verify=
 LINES=0
-while [ $# -ne 0 ]; do
+while case "$#" in 0) break ;; esac
+do
     case "$1" in
     -a)
 	annotate=1
@@ -30,8 +31,9 @@ while [ $# -ne 0 ]; do
 	shift
 	;;
     -n)
-        case $2 in
-	-*)	LINES=1 	# no argument
+        case "$#,$2" in
+	1,* | *,-*)
+		LINES=1 	# no argument
 		;;
 	*)	shift
 		LINES=$(expr "$1" : '\([0-9]*\)')
@@ -43,7 +45,14 @@ while [ $# -ne 0 ]; do
     -l)
 	list=1
 	shift
-	PATTERN="$1"	# select tags by shell pattern, not re
+	case $# in
+	0)	PATTERN=
+		;;
+	*)
+		PATTERN="$1"	# select tags by shell pattern, not re
+		shift
+		;;
+	esac
 	git rev-parse --symbolic --tags | sort |
 	    while read TAG
 	    do