Introduce core.sharedrepository

diff --git a/git-grep.sh b/git-grep.sh
index e7a35ebd707c6ef485a26f4e1ece57fa248e0106..2ed8e955d6c44da7bd15342aac64de997f0f4bf4 100755 (executable)
--- 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"