Fix expr usage for FreeBSD
Some implementations of "expr" (e.g. FreeBSD's) fail, if an
argument starts with a dash.
Signed-off-by: Dennis Stosberg <dennis@stosberg.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/git-rebase.sh b/git-rebase.sh
index 9ad1c44..0ac085e 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -179,7 +179,7 @@
-s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
case "$#,$1" in
*,*=*)
- strategy=`expr "$1" : '-[^=]*=\(.*\)'` ;;
+ strategy=`expr "z$1" : 'z-[^=]*=\(.*\)'` ;;
1,*)
usage ;;
*)
