Gerrit git cl: do per CL check for Gerrit, not repo-wide.

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 and Gerrit."""
 
 from distutils.version import LooseVersion
@@ skipping 2142 matching lines @@
 
   if not dependents:
     print 'There are no dependent local branches for %s' % root_branch
     return 0
 
   print ('This command will checkout all dependent branches and run '
          '"git cl upload".')
   ask_for_data('[Press enter to continue or ctrl-C to quit]')
 
   # Add a default patchset title to all upload calls in Rietveld.
-  if not settings.GetIsGerrit():
+  if not cl.IsGerrit():
     args.extend(['-t', 'Updated patchset dependency'])
 
   # Record all dependents that failed to upload.
   failures = {}
   # Go through all dependents, checkout the branch and upload.
   try:
     for dependent_branch in dependents:
       print
       print '--------------------------------------'
       print 'Running "git cl upload" from %s:' % dependent_branch
@@ skipping 887 matching lines @@
     if cl.GetBranch() is None:
       DieWithError('Can\'t upload from detached HEAD state. Get on a branch!')
 
     # Default to diffing against common ancestor of upstream branch
     base_branch = cl.GetCommonAncestorWithUpstream()
     args = [base_branch, 'HEAD']
 
   # Make sure authenticated to Rietveld before running expensive hooks. It is
   # a fast, best efforts check. Rietveld still can reject the authentication
   # during the actual upload.
-  if not settings.GetIsGerrit() and auth_config.use_oauth2:
+  if not cl.IsGerrit() and auth_config.use_oauth2:
     authenticator = auth.get_authenticator_for_host(
         cl.GetCodereviewServer(), auth_config)
     if not authenticator.has_cached_credentials():
       raise auth.LoginRequiredError(cl.GetCodereviewServer())
 
   # Apply watchlists on upload.
   change = cl.GetChange(base_branch, None)
   watchlist = watchlists.Watchlists(change.RepositoryRoot())
   files = [f.LocalPath() for f in change.AffectedFiles()]
   if not options.bypass_watchlists:
@@ skipping 22 matching lines @@
     if latest_patchset and local_patchset and local_patchset != latest_patchset:
       print ('The last upload made from this repository was patchset #%d but '
             'the most recent patchset on the server is #%d.'
             % (local_patchset, latest_patchset))
       print ('Uploading will still work, but if you\'ve uploaded to this issue '
             'from another machine or branch the patch you\'re uploading now '
             'might not include those changes.')
       ask_for_data('About to upload; enter to confirm.')
 
   print_stats(options.similarity, options.find_copies, args)
-  if settings.GetIsGerrit():
+  if cl.IsGerrit():
     if options.squash and options.no_squash:
       DieWithError('Can only use one of --squash or --no-squash')
 
     options.squash = ((settings.GetSquashGerritUploads() or options.squash) and
                       not options.no_squash)
 
     ret = GerritUpload(options, args, cl, change)
   else:
     ret = RietveldUpload(options, args, cl, change)
   if not ret:
@@ skipping 1352 matching lines @@
 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()
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     sys.stderr.write('interrupted\n')
     sys.exit(1)