X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-grep.sh;h=2ed8e955d6c44da7bd15342aac64de997f0f4bf4;hb=e6c310fd0d7384973efc6b1d5999a5e8a5b2f3bd;hp=e7a35ebd707c6ef485a26f4e1ece57fa248e0106;hpb=c9fc748f84857a237f47deb91f87499e82865c83;p=git.git

diff --git a/git-grep.sh b/git-grep.sh
index e7a35ebd..2ed8e955 100755
--- a/git-grep.sh
+++ b/git-grep.sh
@@ -3,6 +3,10 @@
 # Copyright (c) Linus Torvalds, 2005
 #
 
+USAGE='<option>... <pattern> <path>...'
+SUBDIRECTORY_OK='Yes'
+. git-sh-setup
+
 pattern=
 flags=()
 git_flags=()
@@ -39,5 +43,8 @@ while : ; do
 	esac
 	shift
 done
+[ "$pattern" ] || {
+	usage
+}
 git-ls-files -z "${git_flags[@]}" "$@" |
 	xargs -0 grep "${flags[@]}" -e "$pattern"