From f327dbced25a3c6fcc0b84d2d6adffa9343b09f0 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Thu, 13 Apr 2006 22:01:24 +0000
Subject: Shell utilities: Guard against expr' magic tokens.

Some words, e.g., `match', are special to expr(1), and cause strange
parsing effects.  Track down all uses of expr and mangle the arguments
so that this isn't a problem.

Signed-off-by: Mark Wooding <mdw@distorted.org.uk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
---
 git-format-patch.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'git-format-patch.sh')

diff --git a/git-format-patch.sh b/git-format-patch.sh
index 2ebf7e859..c7133bc12 100755
--- a/git-format-patch.sh
+++ b/git-format-patch.sh
@@ -126,8 +126,8 @@ for revpair
 do
 	case "$revpair" in
 	?*..?*)
-		rev1=`expr "$revpair" : '\(.*\)\.\.'`
-		rev2=`expr "$revpair" : '.*\.\.\(.*\)'`
+		rev1=`expr "z$revpair" : 'z\(.*\)\.\.'`
+		rev2=`expr "z$revpair" : 'z.*\.\.\(.*\)'`
 		;;
 	*)
 		rev1="$revpair^"
-- 
cgit v1.2.1