From 3983cabb786851fc04fd66cd3c332474129f38ae Mon Sep 17 00:00:00 2001
From: David Glasser <glasser@meteor.com>
Date: Tue, 11 Nov 2014 00:42:16 -0800
Subject: [PATCH] Deal better with build failures

---
 tools/isopack-cache.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/isopack-cache.js b/tools/isopack-cache.js
index ab82c1f75e..5900dd9b02 100644
--- a/tools/isopack-cache.js
+++ b/tools/isopack-cache.js
@@ -127,8 +127,12 @@ _.extend(exports.IsopackCache.prototype, {
         packageMap: packageMap,
         isopackCache: self
       });
-      if (buildmessage.jobHasMessages())
+      if (buildmessage.jobHasMessages()) {
+        // recover by adding an empty package
+        self.isopacks[name] = new isopackModule.Isopack;
+        self.isopacks[name].initEmpty(name);
         return;
+      }
 
       var pluginProviderPackageMap = packageMap.makeSubsetMap(
         compilerResult.pluginProviderPackageNames);