Add --no-commit option to apply_issue for use with git on the bots.

R=dpranke@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17644004

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@208574 0039d316-1c4b-4281-b951-d872f2087c98

apply_issue.py

@@ -65,6 +65,8 @@ def main():
       '--server',
       default='http://codereview.chromium.org',
       help='Rietveld server')
+  parser.add_option('--no-commit', action='store_true',
+      help='Do not try to commit patch to SCM (git only)')
   options, args = parser.parse_args()
   logging.basicConfig(
       format='%(levelname)5s %(module)11s(%(lineno)4d): %(message)s',
@@ -137,12 +139,12 @@ def main():
     print(patch)
   full_dir = os.path.abspath(options.root_dir)
   scm_type = scm.determine_scm(full_dir)
-  if scm_type == 'svn':
+  if options.no_commit or scm_type is None:
+    scm_obj = checkout.RawCheckout(full_dir, None, None)
+  elif scm_type == 'svn':
     scm_obj = checkout.SvnCheckout(full_dir, None, None, None, None)
   elif scm_type == 'git':
     scm_obj = checkout.GitCheckoutBase(full_dir, None, None)
-  elif scm_type == None:
-    scm_obj = checkout.RawCheckout(full_dir, None, None)
   else:
     parser.error('Couldn\'t determine the scm')