X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-grep.sh;h=44c16130bd93fea8b6f172f1614115801f8df2d9;hb=ee72aeaf009417156a3599b0eb69da3f7023ca07;hp=51924fd7c38a4fd70f59069a3eecbfe787626375;hpb=3db6b224cf36748b969acdd96b9fb2de641cd641;p=git.git

diff --git a/git-grep.sh b/git-grep.sh
index 51924fd7..44c16130 100755
--- a/git-grep.sh
+++ b/git-grep.sh
@@ -39,5 +39,9 @@ while : ; do
 	esac
 	shift
 done
+[ "$pattern" ] || {
+	echo >&2 "usage: 'git grep <pattern> [pathspec*]'"
+	exit 1
+}
 git-ls-files -z "${git_flags[@]}" "$@" |
-	xargs -0 grep "${flags[@]}" "$pattern"
+	xargs -0 grep "${flags[@]}" -e "$pattern"