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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this,
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import unicode_literals
import os
import subprocess
# The logic here is far from robust. Improvements are welcome.
def update_mercurial_repo(hg, repo, path, revision='default',
hostfingerprints=None, global_args=None):
"""Ensure a HG repository exists at a path and is up to date."""
hostfingerprints = hostfingerprints or {}
args = [hg]
if global_args:
args.extend(global_args)
for host, fingerprint in sorted(hostfingerprints.items()):
args.extend(['--config', 'hostfingerprints.%s=%s' % (host,
fingerprint)])
if os.path.exists(path):
subprocess.check_call(args + ['pull', repo], cwd=path)
else:
subprocess.check_call(args + ['clone', repo, path])
subprocess.check_call([hg, 'update', '-r', revision], cwd=path)
def update_git_repo(git, repo, path, revision='origin/master'):
"""Ensure a Git repository exists at a path and is up to date."""
if os.path.exists(path):
subprocess.check_call([git, 'fetch', '--all'], cwd=path)
else:
subprocess.check_call([git, 'clone', repo, path])
subprocess.check_call([git, 'checkout', revision], cwd=path)
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