From e89bf01c2bdfd40bff190069d041145118a82aad Mon Sep 17 00:00:00 2001
From: Igor Minar <igor@angularjs.org>
Date: Tue, 19 May 2015 21:55:56 -0700
Subject: [PATCH] build(gulp): don't throw exceptions on exit when
 angularBuilder was not initialized

---
 gulpfile.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index 0dade96de3..6577eee0f1 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -47,7 +47,9 @@ var angularBuilder = {
   rebuildBrowserProdTree: throwToolsBuildMissingError,
   rebuildNodeTree: throwToolsBuildMissingError,
   rebuildDartTree: throwToolsBuildMissingError,
-  cleanup: function() {}
+  cleanup: function() {
+    return Promise.resolve();
+  }
 };
 
 (function checkNodeAndNpmVersions() {