add in deltaBaseCacheLimit workaround

fetch.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """
 Tool to perform checkouts in one easy command line!
 
 Usage:
   fetch <recipe> [--property=value [--property2=value2 ...]]
@@ skipping 92 matching lines @@
     # Ensure we are authenticated with subversion for all submodules.
     git_svn_dirs = json.loads(self.spec.get('submodule_git_svn_spec', '{}'))
     git_svn_dirs.update({self.root: self.spec})
     for _, svn_spec in git_svn_dirs.iteritems():
       try:
         self.run_svn('ls', '--non-interactive', svn_spec['svn_url'])
       except subprocess.CalledProcessError:
         print 'Please run `svn ls %s`' % svn_spec['svn_url']
         return 1
 
+    # TODO(dpranke): Work around issues w/ delta compression on big repos.
+    self.run_git('config', '--global', 'core.deltaBaseCacheLimit', '1G')

[iannucci, 2013/04/04 18:21:30]

It would have been cooler to init an empty git repo and set this locally. Some
people (including me, of course :), have their global git config under version
control. Not sure how temporary this will be to say if there should be any
effort to fix this at all though.

+
     # Configure and do the gclient checkout.
     self.run_gclient('config', '--spec', self.spec['gclient_spec'])
     self.run_gclient('sync')
 
     # Configure git.
     wd = os.path.join(self.base, self.root)
     if self.dryrun:
       print 'cd %s' % wd
     self.run_git(
         'submodule', 'foreach',
@@ skipping 118 matching lines @@
 
 
 def main():
   dryrun, recipe, props = handle_args(sys.argv)
   spec, root = run_recipe_fetch(recipe, props)
   return run(dryrun, spec, root)
 
 
 if __name__ == '__main__':
   sys.exit(main())