Patch drover to work with svn clients that don't provide a revision number

drover.py

 #!/usr/bin/python
 # Copyright (c) 2010 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.
 
 import optparse
 import os
 import re
 import subprocess
 import sys
@@ skipping 114 matching lines @@
   # any '\r's.
   return ''.join([l.replace('\r','') for l in svn_log[3:-1]])
 
 def getSVNVersionInfo():
   """Extract version information from SVN"""
   svn_info = gclient_utils.Popen(['svn', '--version'],
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE).stdout.readlines()
   info = {}
   for line in svn_info:
-    match = re.search(r"svn, version ((\d+)\.(\d+)\.(\d+)) \(r(\d+)\)", line)
+    match = re.search(r"svn, version ((\d+)\.(\d+)\.(\d+))", line)
     if match:
       info['version'] = match.group(1)
       info['major'] = int(match.group(2))
       info['minor'] = int(match.group(3))
       info['patch'] = int(match.group(4))
-      info['revision'] = match.group(5)
       return info
 
   return None
 
 def isMinimumSVNVersion(major, minor, patch=0):
   """Test for minimum SVN version"""
   return _isMinimumSVNVersion(getSVNVersionInfo(), major, minor, patch)
 
 def _isMinimumSVNVersion(version, major, minor, patch=0):
   """Test for minimum SVN version, internal method"""
@@ skipping 400 matching lines @@
 
   if options.local and (options.revert or options.branch):
     option_parser.error("--local cannot be used with --revert or --branch")
     return 1
 
   return drover(options, args)
 
 
 if __name__ == "__main__":
   sys.exit(main())