Fix deps2git cache bootstrapping and make it more verbose

git_tools.py

 #!/usr/bin/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.
 
 import cStringIO
 import os
 import re
 import subprocess
 import sys
@@ skipping 131 matching lines @@
   if is_mirror:
     cmd += ' --mirror'
   cmd += ' %s %s'  % (git_url, git_repo)
 
   if not is_mirror and not os.path.exists(git_repo):
     os.makedirs(git_repo)
 
   return Git(None, cmd, is_mirror=is_mirror, out_buffer=out_buffer)
 
 
-def PopulateCache(git_url, shallow=False):
+def PopulateCache(git_url, shallow=False, print_fn=None):
   # --shallow by default checks out 10000 revision, but for really large
   # repos like adobe ones, we want significantly less than 10000.
   depth = None
   if shallow and 'adobe' in git_url:
     depth = 10
-  mirror = git_cache.Mirror(git_url, print_func=lambda *args: None)
-  mirror.populate(depth=depth, shallow=shallow, ignore_lock=True)
+  mirror = git_cache.Mirror(git_url, print_func=print_fn)
+  mirror.populate(depth=depth, shallow=shallow, bootstrap=True,
+                  verbose=True, ignore_lock=True)
   return mirror.mirror_path
 
 
 def Fetch(git_repo, git_url, is_mirror):
   """Fetch the latest objects for a given git repository."""
   # Always update the upstream url
   Git(git_repo, 'config remote.origin.url %s' % git_url)
   Git(git_repo, 'fetch origin', is_mirror)
 
 
@@ skipping 130 matching lines @@
   regex = str(svn_rev)
   return _SearchImpl(git_repo, svn_rev, is_mirror, refspec, fetch_url, regex)
 
 
 def Search(git_repo, svn_rev, is_mirror, refspec='FETCH_HEAD', fetch_url=None):
   """Return the Git commit id fuzzy matching the given SVN revision.
 
   If fetch_url is not None, will update repo if revision is newer."""
   regex = CreateLessThanOrEqualRegex(svn_rev)
   return _SearchImpl(git_repo, svn_rev, is_mirror, refspec, fetch_url, regex)