python/mozversioncontrol/mozversioncontrol/repoupdate.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this,
   3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 from __future__ import unicode_literals
   6
   7 import os
   8 import subprocess
   9
  10 # The logic here is far from robust. Improvements are welcome.
  11
  12 def update_mercurial_repo(hg, repo, path, revision='default',
  13     hostfingerprints=None):
  14     """Ensure a HG repository exists at a path and is up to date."""
  15     hostfingerprints = hostfingerprints or {}
  16
  17     args = [hg]
  18
  19     for host, fingerprint in sorted(hostfingerprints.items()):
  20         args.extend(['--config', 'hostfingerprints.%s=%s' % (host,
  21             fingerprint)])
  22
  23     if os.path.exists(path):
  24         subprocess.check_call(args + ['pull', repo], cwd=path)
  25     else:
  26         subprocess.check_call(args + ['clone', repo, path])
  27
  28     subprocess.check_call([hg, 'update', '-r', revision], cwd=path)
  29
  30
  31 def update_git_repo(git, repo, path, revision='origin/master'):
  32     """Ensure a Git repository exists at a path and is up to date."""
  33     if os.path.exists(path):
  34         subprocess.check_call([git, 'fetch', '--all'], cwd=path)
  35     else:
  36         subprocess.check_call([git, 'clone', repo, path])
  37
  38     subprocess.check_call([git, 'checkout', revision], cwd=path)