X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-diff.sh;h=4812ae4c1ff937ded49334a97ee1dc2c1732e433;hb=e6c310fd0d7384973efc6b1d5999a5e8a5b2f3bd;hp=7baf7044e440e6d052f5e92e1008f710dd319c67;hpb=5401f3040b61e11da79d676e42aacfa9f1131083;p=git.git

diff --git a/git-diff.sh b/git-diff.sh
index 7baf7044..4812ae4c 100755
--- a/git-diff.sh
+++ b/git-diff.sh
@@ -3,6 +3,10 @@
 # Copyright (c) 2005 Linus Torvalds
 # Copyright (c) 2005 Junio C Hamano
 
+USAGE='[ --diff-options ] <ent>{0,2} [<path>...]'
+SUBDIRECTORY_OK='Yes'
+. git-sh-setup
+
 rev=$(git-rev-parse --revs-only --no-flags --sq "$@") || exit
 flags=$(git-rev-parse --no-revs --flags --sq "$@")
 files=$(git-rev-parse --no-revs --no-flags --sq "$@")
@@ -35,8 +39,7 @@ esac
 
 case "$rev" in
 ?*' '?*' '?*)
-	echo >&2 "I don't understand"
-	exit 1
+	usage
 	;;
 ?*' '^?*)
 	begin=$(expr "$rev" : '.*^.\([0-9a-f]*\).*') &&
@@ -53,7 +56,7 @@ case "$rev" in
 	cmd="git-diff-files $flags -- $files"
 	;;
 *)
-	die "I don't understand $*"
+	usage
 	;;
 esac