Allow a trailing slash in the rietveld url.

trychange.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Client-side script to send a try job to the try server. It communicates to
 the try server by either writting to a svn repository or by directly connecting
 to the server by HTTP.
 """
 
@@ skipping 620 matching lines @@
 
   logging.debug(argv)
 
   # Strip off any @ in the user, otherwise svn gets confused.
   options.user = options.user.split('@', 1)[0]
 
   if options.rietveld_url:
     # Try to extract the review number if possible and fix the protocol.
     if not '://' in options.rietveld_url:
       options.rietveld_url = 'http://' + options.rietveld_url
-    match = re.match(r'^(.*)/(\d+)$', options.rietveld_url)
+    match = re.match(r'^(.*)/(\d+)/?$', options.rietveld_url)
     if match:
       if options.issue or options.patchset:
         parser.error('Cannot use both --issue and use a review number url')
       options.issue = int(match.group(2))
       options.rietveld_url = match.group(1)
 
   try:
     # Always include os.getcwd() in the checkout settings.
     checkouts = []
     path = os.getcwd()
@@ skipping 109 matching lines @@
     return 1
   except (gclient_utils.Error, subprocess2.CalledProcessError), e:
     print >> sys.stderr, e
     return 1
   return 0
 
 
 if __name__ == "__main__":
   fix_encoding.fix_encoding()
   sys.exit(TryChange(None, [], False))