From 575d72a5b05bd52d9349bc64544283d88e604e65 Mon Sep 17 00:00:00 2001
From: allencloud <allen.sun@daocloud.io>
Date: Tue, 9 Aug 2016 11:40:30 +0800
Subject: [PATCH] better vendor.sh to break when fail in grep

Signed-off-by: allencloud <allen.sun@daocloud.io>
Upstream-commit: e06a8dc6be448082bc642675799e6f170d34d6d7
Component: engine
---
 components/engine/hack/vendor.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/components/engine/hack/vendor.sh b/components/engine/hack/vendor.sh
index c5adbf119e..cb59dc7cca 100755
--- a/components/engine/hack/vendor.sh
+++ b/components/engine/hack/vendor.sh
@@ -19,7 +19,12 @@ case $# in
 	;;
 # If user passed arguments to the script
 1)
-	eval "$(grep -E "^clone [^ ]+ $1" "$0")"
+	path="$PWD/hack/vendor.sh"
+	if ! cloneGrep="$(grep -E "^clone [^ ]+ $1" "$path")"; then
+		echo >&2 "error: failed to find 'clone ... $1' in $path"
+		exit 1
+	fi
+	eval "$cloneGrep"
 	clean
 	exit 0
 	;;