Fix transient error regexes.

git_common.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Monkeypatch IMapIterator so that Ctrl-C can kill everything properly.
 # Derived from https://gist.github.com/aljungberg/626518
 import multiprocessing.pool
 from multiprocessing.pool import IMapIterator
 def wrapper(func):
   def wrap(self, timeout=None):
@@ skipping 34 matching lines @@
 
 # Retry a git operation if git returns a error response with any of these
 # messages. It's all observed 'bad' GoB responses so far.
 #
 # This list is inspired/derived from the one in ChromiumOS's Chromite:
 # <CHROMITE>/lib/git.py::GIT_TRANSIENT_ERRORS
 #
 # It was last imported from '7add3ac29564d98ac35ce426bc295e743e7c0c02'.
 GIT_TRANSIENT_ERRORS = (
     # crbug.com/285832
-    r'! \[remote rejected\].*\(error in hook\)',
+    r'!.*\[remote rejected\].*\(error in hook\)',
 
     # crbug.com/289932
-    r'! \[remote rejected\].*\(failed to lock\)',
+    r'!.*\[remote rejected\].*\(failed to lock\)',
 
     # crbug.com/307156
-    r'! \[remote rejected\].*\(error in Gerrit backend\)',
+    r'!.*\[remote rejected\].*\(error in Gerrit backend\)',
 
     # crbug.com/285832
     r'remote error: Internal Server Error',
 
     # crbug.com/294449
     r'fatal: Couldn\'t find remote ref ',
 
     # crbug.com/220543
     r'git fetch_pack: expected ACK/NAK, got',
 
@@ skipping 637 matching lines @@
     return None
   return ret
 
 
 def upstream(branch):
   try:
     return run('rev-parse', '--abbrev-ref', '--symbolic-full-name',
                branch+'@{upstream}')
   except subprocess2.CalledProcessError:
     return None