X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-grep.sh;h=2ed8e955d6c44da7bd15342aac64de997f0f4bf4;hb=e99fcf96deab45ca81b22948328deb2d8586aa8d;hp=51924fd7c38a4fd70f59069a3eecbfe787626375;hpb=5d9d831a51dc7847ad40fac77f9a072aa2d1c0bd;p=git.git

diff --git a/git-grep.sh b/git-grep.sh
index 51924fd7..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[@]}" "$pattern"
+	xargs -0 grep "${flags[@]}" -e "$pattern"