Reuse gcl.py's code review settings when running [gcl try], as gcl is ...

gcl.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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 script around Rietveld's upload.py that simplifies working with groups
 of files.
 """
 
@@ skipping 1311 matching lines @@
       os.mkdir(GetCacheDir())
 
     if command:
       return command(argv[1:])
     # Unknown command, try to pass that to svn
     return CMDpassthru(argv)
   except gclient_utils.Error, e:
     print >> sys.stderr, 'Got an exception'
     print >> sys.stderr, str(e)
     return 1
+  except upload.ClientLoginError, e:
+    print >> sys.stderr, 'Got an exception logging in to Rietveld'
+    print >> sys.stderr, str(e)
   except urllib2.HTTPError, e:
     if e.code != 500:
       raise
     print >> sys.stderr, (
         'AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
         'and retry or visit go/isgaeup.\n%s') % (e.code, str(e))
     return 1
 
 
 if __name__ == "__main__":
   sys.exit(main(sys.argv[1:]))