Run prune in git cache update bootstrap to remove loose objects

git_cache.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """A git command for managing a local cache of git repositories."""
 
 from __future__ import print_function
 import errno
 import logging
@@ skipping 407 matching lines @@
           self.print('Error moving %s to %s: %s' % (tempdir, self.mirror_path,
                                                     str(e)))
       if not ignore_lock:
         lockfile.unlock()
 
   def update_bootstrap(self, prune=False):
     # The files are named <git number>.zip
     gen_number = subprocess.check_output(
         [self.git_exe, 'number', 'master'], cwd=self.mirror_path).strip()
     self.RunGit(['gc'])  # Run Garbage Collect to compress packfile.
+    self.RunGit(['prune'])  # Run prune to remove loose objects.

[szager1, 2014/09/05 16:49:36]

Why not just:

self.RunGit(['gc', '--prune=all'])

[Ryan Tseng, 2014/09/05 16:53:53]

Didn't know I could do that.
Done

     # Creating a temp file and then deleting it ensures we can use this name.
     _, tmp_zipfile = tempfile.mkstemp(suffix='.zip')
     os.remove(tmp_zipfile)
     subprocess.call(['zip', '-r', tmp_zipfile, '.'], cwd=self.mirror_path)
     gsutil = Gsutil(path=self.gsutil_exe, boto_path=None)
     gs_folder = 'gs://%s/%s' % (self.bootstrap_bucket, self.basedir)
     dest_name = '%s/%s.zip' % (gs_folder, gen_number)
     gsutil.call('cp', tmp_zipfile, dest_name)
     os.remove(tmp_zipfile)
 
@@ skipping 246 matching lines @@
     return options, args
 
 
 def main(argv):
   dispatcher = subcommand.CommandDispatcher(__name__)
   return dispatcher.execute(OptionParser(), argv)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))