From fcd0ffce855c59089179184b6657e8a04071977c Mon Sep 17 00:00:00 2001
From: Peter Cottle <pcottle@fb.com>
Date: Sun, 15 Dec 2013 17:23:51 -0800
Subject: [PATCH] Resolves Issue #151 silly assert issue

---
 src/js/git/commands.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/git/commands.js b/src/js/git/commands.js
index c2676020..975bfbd3 100644
--- a/src/js/git/commands.js
+++ b/src/js/git/commands.js
@@ -48,7 +48,7 @@ var assertNotCheckedOut = function(engine, ref) {
 var assertIsBranch = function(engine, ref) {
   assertIsRef(engine, ref);
   var obj = engine.refs[ref];
-  if (obj.get('type') !== 'branch') {
+  if (!obj || obj.get('type') !== 'branch') {
     throw new GitError({
       msg: intl.todo(
         ref + ' is not a branch'