Devserver: allow SubversionFileSystem to be pinned to a specific rev on construction

chrome/common/extensions/docs/server2/fake_url_fetcher.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.
 
 import os
 
 from future import Future
 
 class _Response(object):
   def __init__(self):
@@ skipping 20 matching lines @@
       if filename.startswith('.'):
         continue
       if os.path.isdir(os.path.join(self._base_path, directory, filename)):
         html += '<a>' + filename + '/</a>\n'
       else:
         html += '<a>' + filename + '</a>\n'
     html += '</html>'
     return html
 
   def FetchAsync(self, url):
+    url = url.rsplit('?', 1)[0]
     return Future(value=self.Fetch(url))
 
   def Fetch(self, url):
+    url = url.rsplit('?', 1)[0]
     result = _Response()
     if url.endswith('/'):
       result.content = self._ListDir(url)
     else:
       result.content = self._ReadFile(url)
     return result