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114 lines
2.7 KiB
Python
114 lines
2.7 KiB
Python
#!/usr/bin/env python
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Usage:
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# gclient-new-workdir.py <repository> <new_workdir> [<branch>]
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#
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import os
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import shutil
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import subprocess
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import sys
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import textwrap
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def print_err(msg):
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print >> sys.stderr, msg
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def usage(msg=None):
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if msg is not None:
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print_err('\n' + textwrap.dedent(msg) + '\n')
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usage_msg = 'Run without arguments to get usage help.'
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else:
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usage_msg = '''\
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usage: %s <repository> <new_workdir>
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Clone an existing gclient directory, taking care of all sub-repositories
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Works similarly to 'git new-workdir'.
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<repository> should contain a .gclient file
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<new_workdir> must not exist
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''' % os.path.basename(sys.argv[0])
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print_err(textwrap.dedent(usage_msg))
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sys.exit(1)
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def parse_options():
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if sys.platform == 'win32':
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usage('This script cannot run on Windows because it uses symlinks.')
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if len(sys.argv) != 3:
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usage()
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repository = os.path.abspath(sys.argv[1])
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new_workdir = sys.argv[2]
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if not os.path.exists(repository):
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usage('Repository does not exist: ' + repository)
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if os.path.exists(new_workdir):
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usage('New workdir already exists: ' + new_workdir)
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return repository, new_workdir
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def main():
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repository, new_workdir = parse_options()
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gclient = os.path.join(repository, '.gclient')
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if not os.path.exists(gclient):
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print_err('No .gclient file: ' + gclient)
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os.makedirs(new_workdir)
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os.symlink(gclient, os.path.join(new_workdir, '.gclient'))
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for root, dirs, _ in os.walk(repository):
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if '.git' in dirs:
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workdir = root.replace(repository, new_workdir, 1)
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make_workdir(os.path.join(root, '.git'),
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os.path.join(workdir, '.git'))
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def make_workdir(repository, new_workdir):
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print('Creating: ' + new_workdir)
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os.makedirs(new_workdir)
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GIT_DIRECTORY_WHITELIST = [
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'config',
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'info',
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'hooks',
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'logs/refs',
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'objects',
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'packed-refs',
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'refs',
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'remotes',
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'rr-cache',
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'svn'
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]
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for entry in GIT_DIRECTORY_WHITELIST:
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make_symlink(repository, new_workdir, entry)
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shutil.copy2(os.path.join(repository, 'HEAD'),
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os.path.join(new_workdir, 'HEAD'))
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subprocess.check_call(['git', 'checkout', '-f'],
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cwd=new_workdir.rstrip('.git'))
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def make_symlink(repository, new_workdir, link):
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if not os.path.exists(os.path.join(repository, link)):
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return
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link_dir = os.path.dirname(os.path.join(new_workdir, link))
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if not os.path.exists(link_dir):
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os.makedirs(link_dir)
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os.symlink(os.path.join(repository, link), os.path.join(new_workdir, link))
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if __name__ == '__main__':
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sys.exit(main())
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