Pass shallow flag through gclient to git_cache.py

gclient_scm.py

 # 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.
 
 """Gclient-specific SCM-specific operations."""
 
 from __future__ import print_function
 
 import errno
 import logging
@@ skipping 747 matching lines @@
     }
     # TODO(hinoka): This currently just fails because lkcr/lkgr are branches
     #               not tags. This also adds 20 seconds to every bot_update
     #               run, so I'm commenting this out until lkcr/lkgr become
     #               tags.  (2014/4/24)
     # if url == CHROMIUM_SRC_URL or url + '.git' == CHROMIUM_SRC_URL:
     #  mirror_kwargs['refs'].extend(['refs/tags/lkgr', 'refs/tags/lkcr'])
     if hasattr(options, 'with_branch_heads') and options.with_branch_heads:
       mirror_kwargs['refs'].append('refs/branch-heads/*')
     mirror = git_cache.Mirror(url, **mirror_kwargs)
-    mirror.populate(verbose=options.verbose, bootstrap=True)
+    if options.shallow:
+      # HACK(hinoka): These repositories should be super shallow.
+      if 'flash' in url:
+        depth = 10
+      else:
+        depth = 10000
+    else:
+      depth = None
+    mirror.populate(verbose=options.verbose, bootstrap=True, depth=depth)
     mirror.unlock()
     return mirror.mirror_path if mirror.exists() else None
 
   def _Clone(self, revision, url, options):
     """Clone a git repository from the given URL.
 
     Once we've cloned the repo, we checkout a working branch if the specified
     revision is a branch head. If it is a tag or a specific commit, then we
     leave HEAD detached as it makes future updates simpler -- in this case the
     user should first create a new branch or switch to an existing branch before
@@ skipping 696 matching lines @@
       new_command.append('--force')
       if command[0] != 'checkout' and scm.SVN.AssertVersion('1.6')[0]:
         new_command.extend(('--accept', 'theirs-conflict'))
     elif options.manually_grab_svn_rev:
       new_command.append('--force')
       if command[0] != 'checkout' and scm.SVN.AssertVersion('1.6')[0]:
         new_command.extend(('--accept', 'postpone'))
     elif command[0] != 'checkout' and scm.SVN.AssertVersion('1.6')[0]:
       new_command.extend(('--accept', 'postpone'))
     return new_command