Specify GIT_DIR when running git-config in a mirror.

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 201 matching lines @@
     kwargs.setdefault('filter_fn', self.print)
     env = kwargs.get('env') or kwargs.setdefault('env', os.environ.copy())
     env.setdefault('GIT_ASKPASS', 'true')
     env.setdefault('SSH_ASKPASS', 'true')
     self.print('running "git %s" in "%s"' % (' '.join(cmd), cwd))
     gclient_utils.CheckCallAndFilter([self.git_exe] + cmd, **kwargs)
 
   def config(self, cwd=None):
     if cwd is None:
       cwd = self.mirror_path
+    env = os.environ.copy()
+    env['GIT_DIR'] = cwd
 
     # Don't run git-gc in a daemon.  Bad things can happen if it gets killed.
-    self.RunGit(['config', 'gc.autodetach', '0'], cwd=cwd)
+    self.RunGit(['config', 'gc.autodetach', '0'], cwd=cwd, env=env)
 
     # Don't combine pack files into one big pack file.  It's really slow for
     # repositories, and there's no way to track progress and make sure it's
     # not stuck.
-    self.RunGit(['config', 'gc.autopacklimit', '0'], cwd=cwd)
+    self.RunGit(['config', 'gc.autopacklimit', '0'], cwd=cwd, env=env)
 
     # Allocate more RAM for cache-ing delta chains, for better performance
     # of "Resolving deltas".
     self.RunGit(['config', 'core.deltaBaseCacheLimit',
-                 gclient_utils.DefaultDeltaBaseCacheLimit()], cwd=cwd)
+                 gclient_utils.DefaultDeltaBaseCacheLimit()], cwd=cwd, env=env)
 
-    self.RunGit(['config', 'remote.origin.url', self.url], cwd=cwd)
+    self.RunGit(['config', 'remote.origin.url', self.url], cwd=cwd, env=env)
     self.RunGit(['config', '--replace-all', 'remote.origin.fetch',
-                 '+refs/heads/*:refs/heads/*', r'\+refs/heads/\*:.*'], cwd=cwd)
+                 '+refs/heads/*:refs/heads/*', r'\+refs/heads/\*:.*'],
+                cwd=cwd, env=env)

[hinoka, 2015/06/09 18:10:34]

that looks like a tab

[szager1, 2015/06/09 20:32:52]

Done.

     for ref in self.refs:
       ref = ref.lstrip('+').rstrip('/')
       if ref.startswith('refs/'):
         refspec = '+%s:%s' % (ref, ref)
         regex = r'\+%s:.*' % ref.replace('*', r'\*')
       else:
         refspec = '+refs/%s/*:refs/%s/*' % (ref, ref)
         regex = r'\+refs/heads/%s:.*' % ref.replace('*', r'\*')
       self.RunGit(
           ['config', '--replace-all', 'remote.origin.fetch', refspec, regex],
-          cwd=cwd)
+          cwd=cwd, env=env)
 
   def bootstrap_repo(self, directory):
     """Bootstrap the repo from Google Stroage if possible.
 
     More apt-ly named bootstrap_repo_from_cloud_if_possible_else_do_nothing().
     """
 
     python_fallback = False
     if (sys.platform.startswith('win') and
         not gclient_utils.FindExecutable('7z')):
@@ skipping 418 matching lines @@
   dispatcher = subcommand.CommandDispatcher(__name__)
   return dispatcher.execute(OptionParser(), argv)
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     sys.stderr.write('interrupted\n')
     sys.exit(1)