From c7c41681a111facd2e73c218ce9c28194c286afc Mon Sep 17 00:00:00 2001
From: "iannucci@chromium.org"
 <iannucci@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Sat, 23 Aug 2014 03:44:18 +0000
Subject: [PATCH] Fix gclient hook for stubborn hooks.

R=szager@chromium.org
BUG=

Review URL: https://codereview.chromium.org/497333003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@291574 0039d316-1c4b-4281-b951-d872f2087c98
---
 gclient.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/gclient.py b/gclient.py
index a92cce05c..fb9775945 100755
--- a/gclient.py
+++ b/gclient.py
@@ -1316,10 +1316,12 @@ been automagically updated.  The previous version is available at %s.old.
     # Return a new GClient instance based on the new content.
     new_content = ast2str(a)
     dot_gclient_fn = os.path.join(path, options.config_filename)
-    os.rename(dot_gclient_fn, dot_gclient_fn + '.old')
-    fh = open(dot_gclient_fn, 'w')
-    fh.write(new_content)
-    fh.close()
+    try:
+      os.rename(dot_gclient_fn, dot_gclient_fn + '.old')
+    except OSError:
+      pass
+    with open(dot_gclient_fn, 'w') as fh:
+      fh.write(new_content)
     client = GClient(path, options)
     client.SetConfig(new_content)
     return client