From e8bf96fc212225a6482fa1976ba8843e1f9a7082 Mon Sep 17 00:00:00 2001
From: Mort Yao <mort.yao@gmail.com>
Date: Mon, 21 Jul 2014 00:25:26 +0200
Subject: [PATCH] update util.git

---
 src/you_get/util/git.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/you_get/util/git.py b/src/you_get/util/git.py
index 01a8ce17..6891709e 100644
--- a/src/you_get/util/git.py
+++ b/src/you_get/util/git.py
@@ -4,5 +4,10 @@ import os
 
 def get_head(repo_path):
     """Get (branch, commit) from HEAD of a git repo."""
-    ref = open(os.path.join(repo_path, '.git', 'HEAD'), 'r').read().strip()[5:].split('/')
-    return ref[-1], open(os.path.join(repo_path, '.git', *ref), 'r').read().strip()[:7]
+    try:
+        ref = open(os.path.join(repo_path, '.git', 'HEAD'), 'r').read().strip()[5:].split('/')
+        branch = ref[-1]
+        commit = open(os.path.join(repo_path, '.git', *ref), 'r').read().strip()[:7]
+        return branch, commit
+    except:
+        return None