Unbreak `gcl try` if EMAIL_ADDRESS is not set.

trychange.py

 #!/usr/bin/python
 # Copyright (c) 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.
 """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 294 matching lines @@
   for (k,v) in values.iteritems():
     description += "%s=%s\n" % (k,v)
 
   # Do an empty checkout.
   temp_dir = tempfile.mkdtemp()
   temp_file = tempfile.NamedTemporaryFile()
   temp_file_name = temp_file.name
   try:
     # Don't use  '--non-interactive', since we want it to prompt for
     # crendentials if necessary.
-    RunCommand(['svn', 'checkout', '--depth', 'empty',
-                '--username', options.email,
-                options.svn_repo, temp_dir])
+    command = ['svn', 'checkout', '--depth', 'empty',
+                options.svn_repo, temp_dir]

[Mark Mentovai, 2009/09/02 04:01:44]

Pull this to the left one space now to keep it lined up like it was before.

[Nico, 2009/09/02 04:05:03]

Done.

+    if options.email:
+      command += ['--username', options.email]
+    RunCommand(command)
     # TODO(maruel): Use a subdirectory per user?
     current_time = str(datetime.datetime.now()).replace(':', '.')
     file_name = (EscapeDot(options.user) + '.' + EscapeDot(options.name) +
                  '.%s.diff' % current_time)
     full_path = os.path.join(temp_dir, file_name)
     full_url = options.svn_repo + '/' + file_name
     file_found = False
     try:
       RunCommand(['svn', 'ls', full_url])
       file_found = True
@@ skipping 193 matching lines @@
     if patch_name == 'Unnamed':
       print "Note: use --name NAME to change the try's name."
   except (InvalidScript, NoTryServerAccess), e:
     if swallow_exception:
       return
     print e
 
 
 if __name__ == "__main__":
   TryChange(None, None, False)