More examples at the end of trychange.py help and move the -R flag to the right group

git-try

 #!/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.
 """Wrapper for trychange.py for git checkout."""
 
 import logging
 import sys
 
 import breakpad
@@ skipping 26 matching lines @@
     args.extend([
         '--issue', GetRietveldIssueNumber(),
         '--patchset', patchset,
     ])
   else:
     rietveld_url = GetRietveldServerUrl()
     if rietveld_url:
       args.extend(['--rietveld_url', GetRietveldServerUrl()])
   # Hack around a limitation in logging.
   logging.getLogger().handlers = []
-  sys.exit(trychange.TryChange(args, [], False, 'git-try'))
+  sys.exit(trychange.TryChange(
+    args, file_list=[], swallow_exception=False,
+    prog='git-try',
+    extra_epilog='\n'
+                  'git-try will diff against your tracked branch and will '
+                      'detect your rietveld\n'
+                  'code review if you are using git-cl\n'))