Allow '.' in user name on gclient ssh connection

gclient_utils.py

 # Copyright (c) 2012 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.
 
 """Generic utils."""
 
 import codecs
 import logging
 import os
 import pipes
@@ skipping 15 matching lines @@
   def __init__(self, msg, *args, **kwargs):
     index = getattr(threading.currentThread(), 'index', 0)
     if index:
       msg = '\n'.join('%d> %s' % (index, l) for l in msg.splitlines())
     super(Error, self).__init__(msg, *args, **kwargs)
 
 def SplitUrlRevision(url):
   """Splits url and returns a two-tuple: url, rev"""
   if url.startswith('ssh:'):
     # Make sure ssh://user-name@example.com/~/test.git@stable works
-    regex = r'(ssh://(?:[-\w]+@)?[-\w:\.]+/[-~\w\./]+)(?:@(.+))?'
+    regex = r'(ssh://(?:[-.\w]+@)?[-\w:\.]+/[-~\w\./]+)(?:@(.+))?'
     components = re.search(regex, url).groups()
   else:
     components = url.split('@', 1)
     if len(components) == 1:
       components += [None]
   return tuple(components)
 
 
 def IsDateRevision(revision):
   """Returns true if the given revision is of the form "{ ... }"."""
@@ skipping 831 matching lines @@
 
   Python on OSX 10.6 raises a NotImplementedError exception.
   """
   try:
     import multiprocessing
     return multiprocessing.cpu_count()
   except:  # pylint: disable=W0702
     # Mac OS 10.6 only
     # pylint: disable=E1101
     return int(os.sysconf('SC_NPROCESSORS_ONLN'))