Merge branch 'jh/maint-submodule-status-in-void' (early part)

* 'jh/maint-submodule-status-in-void' (early part): submodule summary: do not shift a non-existent positional variable
git-mirror · Mar 3, 2010 · 66a5eef · 66a5eef
2 parents a75bab5 + caa9c3c
commit 66a5eef
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/git-submodule.sh b/git-submodule.sh
@@ -556,7 +556,7 @@ cmd_summary() {
 	if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
 	then
 		head=$rev
-		shift
+		test $# = 0 || shift
 	elif test -z "$1" -o "$1" = "HEAD"
 	then
 		return