Honor svn-remote.*.rewriteRoot option.

git_cl.py

 #!/usr/bin/env python
 # 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.
 
 # Copyright (C) 2008 Evan Martin <martine@danga.com>
 
 """A git-command for integrating reviews on Rietveld."""
 
 from distutils.version import LooseVersion
@@ skipping 322 matching lines @@
 
       if url:
         svn_remote_re = re.compile(r'^svn-remote\.([^.]+)\.url (.*)$')
         remotes = RunGit(['config', '--get-regexp',
                           r'^svn-remote\..*\.url']).splitlines()
         for remote in remotes:
           match = svn_remote_re.match(remote)
           if match:
             remote = match.group(1)
             base_url = match.group(2)
+            rewrite_root = RunGit(
+                ['config', 'svn-remote.%s.rewriteRoot' % remote],
+                error_ok=True).strip()
+            if rewrite_root:
+              base_url = rewrite_root
             fetch_spec = RunGit(
                 ['config', 'svn-remote.%s.fetch' % remote],
                 error_ok=True).strip()
             if fetch_spec:
               self.svn_branch = MatchSvnGlob(url, base_url, fetch_spec, False)
               if self.svn_branch:
                 break
             branch_spec = RunGit(
                 ['config', 'svn-remote.%s.branches' % remote],
                 error_ok=True).strip()
@@ skipping 1994 matching lines @@
         ('AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
           'and retry or visit go/isgaeup.\n%s') % (e.code, str(e)))
 
 
 if __name__ == '__main__':
   # These affect sys.stdout so do it outside of main() to simplify mocks in
   # unit testing.
   fix_encoding.fix_encoding()
   colorama.init()
   sys.exit(main(sys.argv[1:]))