Add -N argument to prevent git doing pulls, speeds up reruns

src/mr/cabot/git.py

@@ -14,6 +14,8 @@
 from mr.cabot.interfaces import IGeolocation, IListing, IUserDatabase
 from mr.cabot.sebastian import logger
 
+BLOCKED_COMMANDS = set()
+
 def create(url):
 	return GitRepo(url)
 
@@ -66,6 +68,8 @@ def __del__(self):
             shutil.rmtree(self._directory)
 
     def _git_command(self, *args):
+        if args[0] in BLOCKED_COMMANDS:
+            return
         cwd = os.getcwd()
         try:
             return subprocess.check_output(["git"] + list(args), stderr=subprocess.STDOUT, cwd=self.location)

src/mr/cabot/sebastian.py

@@ -105,8 +105,9 @@ def __call__(self, **kwargs):
         self.parser.add_argument('-v', '--version',
                     action='version',
                     version='mr.cabot %s' % version)
-        self.parser.add_argument('--pickle', 
+        self.parser.add_argument('--pickle',
                     help="path to the file where old pickled data is stored")
+        self.parser.add_argument("-N", help="No updates, don't pull any git repos, use the caches", action="store_true")
         args = self.parser.parse_args()
         try:
             self.buildout_dir = find_base()
@@ -116,6 +117,11 @@ def __call__(self, **kwargs):
             logger.error("You are not in a path which has mr.cabot installed (%s)." % e)
             return
 
+        if args.N:
+            import git
+            git.BLOCKED_COMMANDS.add("pull")
+            git.BLOCKED_COMMANDS.add("fetch")
+
         self.config = SafeConfigParser()
         self.config.read(os.path.join(self.buildout_dir, "mr.cabot.cfg"))