From cc14fa9820a4c9fb7a403bbe1264856c6437bf96 Mon Sep 17 00:00:00 2001
From: "Shawn O. Pearce" <sop@google.com>
Date: Tue, 29 Nov 2011 12:32:56 -0800
Subject: [PATCH] Improve error handling when reading loose refs

When repo is trying to figure out branches the repository has by
traversing refs/heads, add exception handling for readline.

Change-Id: If3b2a3720c6496f52f629aa9a2539f186d6ec882
---
 git_refs.py | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/git_refs.py b/git_refs.py
index ac8ed0c1..0e3cc820 100644
--- a/git_refs.py
+++ b/git_refs.py
@@ -139,13 +139,15 @@ class GitRefs(object):
   def _ReadLoose1(self, path, name):
     try:
       fd = open(path, 'rb')
-      mtime = os.path.getmtime(path)
-    except OSError:
-      return
-    except IOError:
+    except:
       return
+
     try:
-      id = fd.readline()
+      try:
+        mtime = os.path.getmtime(path)
+        id = fd.readline()
+      except:
+        return
     finally:
       fd.close()