mirror of
https://gerrit.googlesource.com/git-repo
synced 2024-12-21 07:16:21 +00:00
4a58100251
Change-Id: I1f204bb1e5ce6b13c623215236deef01efbc0f6c Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/305822 Reviewed-by: Raman Tenneti <rtenneti@google.com> Tested-by: Mike Frysinger <vapier@google.com>
1340 lines
44 KiB
Python
Executable File
1340 lines
44 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding:utf-8 -*-
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#
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# Copyright (C) 2008 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Repo launcher.
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This is a standalone tool that people may copy to anywhere in their system.
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It is used to get an initial repo client checkout, and after that it runs the
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copy of repo in the checkout.
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"""
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from __future__ import print_function
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import datetime
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import os
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import platform
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import shlex
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import subprocess
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import sys
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# These should never be newer than the main.py version since this needs to be a
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# bit more flexible with older systems. See that file for more details on the
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# versions we select.
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MIN_PYTHON_VERSION_SOFT = (3, 6)
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MIN_PYTHON_VERSION_HARD = (3, 5)
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# Keep basic logic in sync with repo_trace.py.
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class Trace(object):
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"""Trace helper logic."""
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REPO_TRACE = 'REPO_TRACE'
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def __init__(self):
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self.set(os.environ.get(self.REPO_TRACE) == '1')
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def set(self, value):
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self.enabled = bool(value)
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def print(self, *args, **kwargs):
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if self.enabled:
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print(*args, **kwargs)
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trace = Trace()
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def exec_command(cmd):
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"""Execute |cmd| or return None on failure."""
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trace.print(':', ' '.join(cmd))
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try:
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if platform.system() == 'Windows':
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ret = subprocess.call(cmd)
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sys.exit(ret)
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else:
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os.execvp(cmd[0], cmd)
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except Exception:
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pass
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def check_python_version():
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"""Make sure the active Python version is recent enough."""
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def reexec(prog):
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exec_command([prog] + sys.argv)
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ver = sys.version_info
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major = ver.major
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minor = ver.minor
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# Abort on very old Python 2 versions.
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if (major, minor) < (2, 7):
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print('repo: error: Your Python version is too old. '
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'Please use Python {}.{} or newer instead.'.format(
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*MIN_PYTHON_VERSION_SOFT), file=sys.stderr)
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sys.exit(1)
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# Try to re-exec the version specific Python 3 if needed.
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if (major, minor) < MIN_PYTHON_VERSION_SOFT:
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# Python makes releases ~once a year, so try our min version +10 to help
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# bridge the gap. This is the fallback anyways so perf isn't critical.
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min_major, min_minor = MIN_PYTHON_VERSION_SOFT
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for inc in range(0, 10):
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reexec('python{}.{}'.format(min_major, min_minor + inc))
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# Fallback to older versions if possible.
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for inc in range(MIN_PYTHON_VERSION_SOFT[1] - MIN_PYTHON_VERSION_HARD[1], 0, -1):
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# Don't downgrade, and don't reexec ourselves (which would infinite loop).
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if (min_major, min_minor - inc) <= (major, minor):
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break
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reexec('python{}.{}'.format(min_major, min_minor - inc))
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# Try the generic Python 3 wrapper, but only if it's new enough. If it
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# isn't, we want to just give up below and make the user resolve things.
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try:
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proc = subprocess.Popen(
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['python3', '-c', 'import sys; '
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'print(sys.version_info.major, sys.version_info.minor)'],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(output, _) = proc.communicate()
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python3_ver = tuple(int(x) for x in output.decode('utf-8').split())
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except (OSError, subprocess.CalledProcessError):
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python3_ver = None
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# If the python3 version looks like it's new enough, give it a try.
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if (python3_ver and python3_ver >= MIN_PYTHON_VERSION_HARD
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and python3_ver != (major, minor)):
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reexec('python3')
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# We're still here, so diagnose things for the user.
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if major < 3:
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print('repo: error: Python 2 is no longer supported; '
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'Please upgrade to Python {}.{}+.'.format(*MIN_PYTHON_VERSION_HARD),
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file=sys.stderr)
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sys.exit(1)
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elif (major, minor) < MIN_PYTHON_VERSION_HARD:
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print('repo: error: Python 3 version is too old; '
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'Please use Python {}.{} or newer.'.format(*MIN_PYTHON_VERSION_HARD),
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file=sys.stderr)
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sys.exit(1)
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if __name__ == '__main__':
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check_python_version()
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# repo default configuration
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#
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REPO_URL = os.environ.get('REPO_URL', None)
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if not REPO_URL:
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REPO_URL = 'https://gerrit.googlesource.com/git-repo'
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REPO_REV = os.environ.get('REPO_REV')
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if not REPO_REV:
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REPO_REV = 'stable'
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# URL to file bug reports for repo tool issues.
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BUG_URL = 'https://bugs.chromium.org/p/gerrit/issues/entry?template=Repo+tool+issue'
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# increment this whenever we make important changes to this script
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VERSION = (2, 15)
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# increment this if the MAINTAINER_KEYS block is modified
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KEYRING_VERSION = (2, 3)
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# Each individual key entry is created by using:
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# gpg --armor --export keyid
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MAINTAINER_KEYS = """
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Repo Maintainer <repo@android.kernel.org>
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-----BEGIN PGP PUBLIC KEY BLOCK-----
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|
|
=82Tj
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-----END PGP PUBLIC KEY BLOCK-----
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"""
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GIT = 'git' # our git command
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# NB: The version of git that the repo launcher requires may be much older than
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# the version of git that the main repo source tree requires. Keeping this at
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# an older version also makes it easier for users to upgrade/rollback as needed.
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#
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# git-1.7 is in (EOL) Ubuntu Precise.
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MIN_GIT_VERSION = (1, 7, 2) # minimum supported git version
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repodir = '.repo' # name of repo's private directory
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S_repo = 'repo' # special repo repository
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S_manifests = 'manifests' # special manifest repository
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REPO_MAIN = S_repo + '/main.py' # main script
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GITC_CONFIG_FILE = '/gitc/.config'
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GITC_FS_ROOT_DIR = '/gitc/manifest-rw/'
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import collections
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import errno
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import json
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import optparse
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import re
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import shutil
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import stat
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if sys.version_info[0] == 3:
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import urllib.request
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import urllib.error
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else:
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import imp
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import urllib2
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urllib = imp.new_module('urllib')
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urllib.request = urllib2
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urllib.error = urllib2
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home_dot_repo = os.path.expanduser('~/.repoconfig')
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gpg_dir = os.path.join(home_dot_repo, 'gnupg')
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def GetParser(gitc_init=False):
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"""Setup the CLI parser."""
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if gitc_init:
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usage = 'repo gitc-init -c client [options] [-u] url'
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else:
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usage = 'repo init [options] [-u] url'
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parser = optparse.OptionParser(usage=usage)
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InitParser(parser, gitc_init=gitc_init)
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return parser
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def InitParser(parser, gitc_init=False):
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"""Setup the CLI parser."""
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# NB: Keep in sync with command.py:_CommonOptions().
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# Logging.
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group = parser.add_option_group('Logging options')
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group.add_option('-v', '--verbose',
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dest='output_mode', action='store_true',
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help='show all output')
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group.add_option('-q', '--quiet',
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dest='output_mode', action='store_false',
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help='only show errors')
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# Manifest.
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group = parser.add_option_group('Manifest options')
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group.add_option('-u', '--manifest-url',
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help='manifest repository location', metavar='URL')
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group.add_option('-b', '--manifest-branch', metavar='REVISION',
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help='manifest branch or revision (use HEAD for default)')
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group.add_option('-m', '--manifest-name', default='default.xml',
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help='initial manifest file', metavar='NAME.xml')
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group.add_option('-g', '--groups', default='default',
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help='restrict manifest projects to ones with specified '
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'group(s) [default|all|G1,G2,G3|G4,-G5,-G6]',
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metavar='GROUP')
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group.add_option('-p', '--platform', default='auto',
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help='restrict manifest projects to ones with a specified '
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'platform group [auto|all|none|linux|darwin|...]',
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metavar='PLATFORM')
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group.add_option('--submodules', action='store_true',
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help='sync any submodules associated with the manifest repo')
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# Options that only affect manifest project, and not any of the projects
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# specified in the manifest itself.
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group = parser.add_option_group('Manifest (only) checkout options')
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cbr_opts = ['--current-branch']
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# The gitc-init subcommand allocates -c itself, but a lot of init users
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# want -c, so try to satisfy both as best we can.
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if not gitc_init:
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cbr_opts += ['-c']
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group.add_option(*cbr_opts,
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dest='current_branch_only', action='store_true',
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help='fetch only current manifest branch from server')
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group.add_option('--no-current-branch',
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dest='current_branch_only', action='store_false',
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help='fetch all manifest branches from server')
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group.add_option('--tags',
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action='store_true',
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help='fetch tags in the manifest')
|
|
group.add_option('--no-tags',
|
|
dest='tags', action='store_false',
|
|
help="don't fetch tags in the manifest")
|
|
|
|
# These are fundamentally different ways of structuring the checkout.
|
|
group = parser.add_option_group('Checkout modes')
|
|
group.add_option('--mirror', action='store_true',
|
|
help='create a replica of the remote repositories '
|
|
'rather than a client working directory')
|
|
group.add_option('--archive', action='store_true',
|
|
help='checkout an archive instead of a git repository for '
|
|
'each project. See git archive.')
|
|
group.add_option('--worktree', action='store_true',
|
|
help='use git-worktree to manage projects')
|
|
|
|
# These are fundamentally different ways of structuring the checkout.
|
|
group = parser.add_option_group('Project checkout optimizations')
|
|
group.add_option('--reference',
|
|
help='location of mirror directory', metavar='DIR')
|
|
group.add_option('--dissociate', action='store_true',
|
|
help='dissociate from reference mirrors after clone')
|
|
group.add_option('--depth', type='int', default=None,
|
|
help='create a shallow clone with given depth; '
|
|
'see git clone')
|
|
group.add_option('--partial-clone', action='store_true',
|
|
help='perform partial clone (https://git-scm.com/'
|
|
'docs/gitrepository-layout#_code_partialclone_code)')
|
|
group.add_option('--no-partial-clone', action='store_false',
|
|
help='disable use of partial clone (https://git-scm.com/'
|
|
'docs/gitrepository-layout#_code_partialclone_code)')
|
|
group.add_option('--partial-clone-exclude', action='store',
|
|
help='exclude the specified projects (a comma-delimited '
|
|
'project names) from partial clone (https://git-scm.com'
|
|
'/docs/gitrepository-layout#_code_partialclone_code)')
|
|
group.add_option('--clone-filter', action='store', default='blob:none',
|
|
help='filter for use with --partial-clone '
|
|
'[default: %default]')
|
|
group.add_option('--use-superproject', action='store_true', default=None,
|
|
help='use the manifest superproject to sync projects')
|
|
group.add_option('--no-use-superproject', action='store_false',
|
|
dest='use_superproject',
|
|
help='disable use of manifest superprojects')
|
|
group.add_option('--clone-bundle', action='store_true',
|
|
help='enable use of /clone.bundle on HTTP/HTTPS '
|
|
'(default if not --partial-clone)')
|
|
group.add_option('--no-clone-bundle',
|
|
dest='clone_bundle', action='store_false',
|
|
help='disable use of /clone.bundle on HTTP/HTTPS (default if --partial-clone)')
|
|
|
|
# Tool.
|
|
group = parser.add_option_group('repo Version options')
|
|
group.add_option('--repo-url', metavar='URL',
|
|
help='repo repository location ($REPO_URL)')
|
|
group.add_option('--repo-rev', metavar='REV',
|
|
help='repo branch or revision ($REPO_REV)')
|
|
group.add_option('--repo-branch', dest='repo_rev',
|
|
help=optparse.SUPPRESS_HELP)
|
|
group.add_option('--no-repo-verify',
|
|
dest='repo_verify', default=True, action='store_false',
|
|
help='do not verify repo source code')
|
|
|
|
# Other.
|
|
group = parser.add_option_group('Other options')
|
|
group.add_option('--config-name',
|
|
action='store_true', default=False,
|
|
help='Always prompt for name/e-mail')
|
|
|
|
# gitc-init specific settings.
|
|
if gitc_init:
|
|
group = parser.add_option_group('GITC options')
|
|
group.add_option('-f', '--manifest-file',
|
|
help='Optional manifest file to use for this GITC client.')
|
|
group.add_option('-c', '--gitc-client',
|
|
help='Name of the gitc_client instance to create or modify.')
|
|
|
|
return parser
|
|
|
|
|
|
# This is a poor replacement for subprocess.run until we require Python 3.6+.
|
|
RunResult = collections.namedtuple(
|
|
'RunResult', ('returncode', 'stdout', 'stderr'))
|
|
|
|
|
|
class RunError(Exception):
|
|
"""Error when running a command failed."""
|
|
|
|
|
|
def run_command(cmd, **kwargs):
|
|
"""Run |cmd| and return its output."""
|
|
check = kwargs.pop('check', False)
|
|
if kwargs.pop('capture_output', False):
|
|
kwargs.setdefault('stdout', subprocess.PIPE)
|
|
kwargs.setdefault('stderr', subprocess.PIPE)
|
|
cmd_input = kwargs.pop('input', None)
|
|
|
|
def decode(output):
|
|
"""Decode |output| to text."""
|
|
if output is None:
|
|
return output
|
|
try:
|
|
return output.decode('utf-8')
|
|
except UnicodeError:
|
|
print('repo: warning: Invalid UTF-8 output:\ncmd: %r\n%r' % (cmd, output),
|
|
file=sys.stderr)
|
|
# TODO(vapier): Once we require Python 3, use 'backslashreplace'.
|
|
return output.decode('utf-8', 'replace')
|
|
|
|
# Run & package the results.
|
|
proc = subprocess.Popen(cmd, **kwargs)
|
|
(stdout, stderr) = proc.communicate(input=cmd_input)
|
|
dbg = ': ' + ' '.join(cmd)
|
|
if cmd_input is not None:
|
|
dbg += ' 0<|'
|
|
if stdout == subprocess.PIPE:
|
|
dbg += ' 1>|'
|
|
if stderr == subprocess.PIPE:
|
|
dbg += ' 2>|'
|
|
elif stderr == subprocess.STDOUT:
|
|
dbg += ' 2>&1'
|
|
trace.print(dbg)
|
|
ret = RunResult(proc.returncode, decode(stdout), decode(stderr))
|
|
|
|
# If things failed, print useful debugging output.
|
|
if check and ret.returncode:
|
|
print('repo: error: "%s" failed with exit status %s' %
|
|
(cmd[0], ret.returncode), file=sys.stderr)
|
|
print(' cwd: %s\n cmd: %r' %
|
|
(kwargs.get('cwd', os.getcwd()), cmd), file=sys.stderr)
|
|
|
|
def _print_output(name, output):
|
|
if output:
|
|
print(' %s:\n >> %s' % (name, '\n >> '.join(output.splitlines())),
|
|
file=sys.stderr)
|
|
|
|
_print_output('stdout', ret.stdout)
|
|
_print_output('stderr', ret.stderr)
|
|
raise RunError(ret)
|
|
|
|
return ret
|
|
|
|
|
|
_gitc_manifest_dir = None
|
|
|
|
|
|
def get_gitc_manifest_dir():
|
|
global _gitc_manifest_dir
|
|
if _gitc_manifest_dir is None:
|
|
_gitc_manifest_dir = ''
|
|
try:
|
|
with open(GITC_CONFIG_FILE, 'r') as gitc_config:
|
|
for line in gitc_config:
|
|
match = re.match('gitc_dir=(?P<gitc_manifest_dir>.*)', line)
|
|
if match:
|
|
_gitc_manifest_dir = match.group('gitc_manifest_dir')
|
|
except IOError:
|
|
pass
|
|
return _gitc_manifest_dir
|
|
|
|
|
|
def gitc_parse_clientdir(gitc_fs_path):
|
|
"""Parse a path in the GITC FS and return its client name.
|
|
|
|
Args:
|
|
gitc_fs_path: A subdirectory path within the GITC_FS_ROOT_DIR.
|
|
|
|
Returns:
|
|
The GITC client name.
|
|
"""
|
|
if gitc_fs_path == GITC_FS_ROOT_DIR:
|
|
return None
|
|
if not gitc_fs_path.startswith(GITC_FS_ROOT_DIR):
|
|
manifest_dir = get_gitc_manifest_dir()
|
|
if manifest_dir == '':
|
|
return None
|
|
if manifest_dir[-1] != '/':
|
|
manifest_dir += '/'
|
|
if gitc_fs_path == manifest_dir:
|
|
return None
|
|
if not gitc_fs_path.startswith(manifest_dir):
|
|
return None
|
|
return gitc_fs_path.split(manifest_dir)[1].split('/')[0]
|
|
return gitc_fs_path.split(GITC_FS_ROOT_DIR)[1].split('/')[0]
|
|
|
|
|
|
class CloneFailure(Exception):
|
|
|
|
"""Indicate the remote clone of repo itself failed.
|
|
"""
|
|
|
|
|
|
def check_repo_verify(repo_verify, quiet=False):
|
|
"""Check the --repo-verify state."""
|
|
if not repo_verify:
|
|
print('repo: warning: verification of repo code has been disabled;\n'
|
|
'repo will not be able to verify the integrity of itself.\n',
|
|
file=sys.stderr)
|
|
return False
|
|
|
|
if NeedSetupGnuPG():
|
|
return SetupGnuPG(quiet)
|
|
|
|
return True
|
|
|
|
|
|
def check_repo_rev(dst, rev, repo_verify=True, quiet=False):
|
|
"""Check that |rev| is valid."""
|
|
do_verify = check_repo_verify(repo_verify, quiet=quiet)
|
|
remote_ref, local_rev = resolve_repo_rev(dst, rev)
|
|
if not quiet and not remote_ref.startswith('refs/heads/'):
|
|
print('warning: repo is not tracking a remote branch, so it will not '
|
|
'receive updates', file=sys.stderr)
|
|
if do_verify:
|
|
rev = verify_rev(dst, remote_ref, local_rev, quiet)
|
|
else:
|
|
rev = local_rev
|
|
return (remote_ref, rev)
|
|
|
|
|
|
def _Init(args, gitc_init=False):
|
|
"""Installs repo by cloning it over the network.
|
|
"""
|
|
parser = GetParser(gitc_init=gitc_init)
|
|
opt, args = parser.parse_args(args)
|
|
if args:
|
|
if not opt.manifest_url:
|
|
opt.manifest_url = args.pop(0)
|
|
if args:
|
|
parser.print_usage()
|
|
sys.exit(1)
|
|
opt.quiet = opt.output_mode is False
|
|
opt.verbose = opt.output_mode is True
|
|
|
|
if opt.clone_bundle is None:
|
|
opt.clone_bundle = False if opt.partial_clone else True
|
|
|
|
url = opt.repo_url or REPO_URL
|
|
rev = opt.repo_rev or REPO_REV
|
|
|
|
try:
|
|
if gitc_init:
|
|
gitc_manifest_dir = get_gitc_manifest_dir()
|
|
if not gitc_manifest_dir:
|
|
print('fatal: GITC filesystem is not available. Exiting...',
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
gitc_client = opt.gitc_client
|
|
if not gitc_client:
|
|
gitc_client = gitc_parse_clientdir(os.getcwd())
|
|
if not gitc_client:
|
|
print('fatal: GITC client (-c) is required.', file=sys.stderr)
|
|
sys.exit(1)
|
|
client_dir = os.path.join(gitc_manifest_dir, gitc_client)
|
|
if not os.path.exists(client_dir):
|
|
os.makedirs(client_dir)
|
|
os.chdir(client_dir)
|
|
if os.path.exists(repodir):
|
|
# This GITC Client has already initialized repo so continue.
|
|
return
|
|
|
|
os.mkdir(repodir)
|
|
except OSError as e:
|
|
if e.errno != errno.EEXIST:
|
|
print('fatal: cannot make %s directory: %s'
|
|
% (repodir, e.strerror), file=sys.stderr)
|
|
# Don't raise CloneFailure; that would delete the
|
|
# name. Instead exit immediately.
|
|
#
|
|
sys.exit(1)
|
|
|
|
_CheckGitVersion()
|
|
try:
|
|
if not opt.quiet:
|
|
print('Downloading Repo source from', url)
|
|
dst = os.path.abspath(os.path.join(repodir, S_repo))
|
|
_Clone(url, dst, opt.clone_bundle, opt.quiet, opt.verbose)
|
|
|
|
remote_ref, rev = check_repo_rev(dst, rev, opt.repo_verify, quiet=opt.quiet)
|
|
_Checkout(dst, remote_ref, rev, opt.quiet)
|
|
|
|
if not os.path.isfile(os.path.join(dst, 'repo')):
|
|
print("warning: '%s' does not look like a git-repo repository, is "
|
|
"REPO_URL set correctly?" % url, file=sys.stderr)
|
|
|
|
except CloneFailure:
|
|
if opt.quiet:
|
|
print('fatal: repo init failed; run without --quiet to see why',
|
|
file=sys.stderr)
|
|
raise
|
|
|
|
|
|
def run_git(*args, **kwargs):
|
|
"""Run git and return execution details."""
|
|
kwargs.setdefault('capture_output', True)
|
|
kwargs.setdefault('check', True)
|
|
try:
|
|
return run_command([GIT] + list(args), **kwargs)
|
|
except OSError as e:
|
|
print(file=sys.stderr)
|
|
print('repo: error: "%s" is not available' % GIT, file=sys.stderr)
|
|
print('repo: error: %s' % e, file=sys.stderr)
|
|
print(file=sys.stderr)
|
|
print('Please make sure %s is installed and in your path.' % GIT,
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
except RunError:
|
|
raise CloneFailure()
|
|
|
|
|
|
# The git version info broken down into components for easy analysis.
|
|
# Similar to Python's sys.version_info.
|
|
GitVersion = collections.namedtuple(
|
|
'GitVersion', ('major', 'minor', 'micro', 'full'))
|
|
|
|
|
|
def ParseGitVersion(ver_str=None):
|
|
if ver_str is None:
|
|
# Load the version ourselves.
|
|
ver_str = run_git('--version').stdout
|
|
|
|
if not ver_str.startswith('git version '):
|
|
return None
|
|
|
|
full_version = ver_str[len('git version '):].strip()
|
|
num_ver_str = full_version.split('-')[0]
|
|
to_tuple = []
|
|
for num_str in num_ver_str.split('.')[:3]:
|
|
if num_str.isdigit():
|
|
to_tuple.append(int(num_str))
|
|
else:
|
|
to_tuple.append(0)
|
|
to_tuple.append(full_version)
|
|
return GitVersion(*to_tuple)
|
|
|
|
|
|
def _CheckGitVersion():
|
|
ver_act = ParseGitVersion()
|
|
if ver_act is None:
|
|
print('fatal: unable to detect git version', file=sys.stderr)
|
|
raise CloneFailure()
|
|
|
|
if ver_act < MIN_GIT_VERSION:
|
|
need = '.'.join(map(str, MIN_GIT_VERSION))
|
|
print('fatal: git %s or later required; found %s' % (need, ver_act.full),
|
|
file=sys.stderr)
|
|
raise CloneFailure()
|
|
|
|
|
|
def SetGitTrace2ParentSid(env=None):
|
|
"""Set up GIT_TRACE2_PARENT_SID for git tracing."""
|
|
# We roughly follow the format git itself uses in trace2/tr2_sid.c.
|
|
# (1) Be unique (2) be valid filename (3) be fixed length.
|
|
#
|
|
# Since we always export this variable, we try to avoid more expensive calls.
|
|
# e.g. We don't attempt hostname lookups or hashing the results.
|
|
if env is None:
|
|
env = os.environ
|
|
|
|
KEY = 'GIT_TRACE2_PARENT_SID'
|
|
|
|
now = datetime.datetime.utcnow()
|
|
value = 'repo-%s-P%08x' % (now.strftime('%Y%m%dT%H%M%SZ'), os.getpid())
|
|
|
|
# If it's already set, then append ourselves.
|
|
if KEY in env:
|
|
value = env[KEY] + '/' + value
|
|
|
|
_setenv(KEY, value, env=env)
|
|
|
|
|
|
def _setenv(key, value, env=None):
|
|
"""Set |key| in the OS environment |env| to |value|."""
|
|
if env is None:
|
|
env = os.environ
|
|
# Environment handling across systems is messy.
|
|
try:
|
|
env[key] = value
|
|
except UnicodeEncodeError:
|
|
env[key] = value.encode()
|
|
|
|
|
|
def NeedSetupGnuPG():
|
|
if not os.path.isdir(home_dot_repo):
|
|
return True
|
|
|
|
kv = os.path.join(home_dot_repo, 'keyring-version')
|
|
if not os.path.exists(kv):
|
|
return True
|
|
|
|
kv = open(kv).read()
|
|
if not kv:
|
|
return True
|
|
|
|
kv = tuple(map(int, kv.split('.')))
|
|
if kv < KEYRING_VERSION:
|
|
return True
|
|
return False
|
|
|
|
|
|
def SetupGnuPG(quiet):
|
|
try:
|
|
os.mkdir(home_dot_repo)
|
|
except OSError as e:
|
|
if e.errno != errno.EEXIST:
|
|
print('fatal: cannot make %s directory: %s'
|
|
% (home_dot_repo, e.strerror), file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
try:
|
|
os.mkdir(gpg_dir, stat.S_IRWXU)
|
|
except OSError as e:
|
|
if e.errno != errno.EEXIST:
|
|
print('fatal: cannot make %s directory: %s' % (gpg_dir, e.strerror),
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
if not quiet:
|
|
print('repo: Updating release signing keys to keyset ver %s' %
|
|
('.'.join(str(x) for x in KEYRING_VERSION),))
|
|
# NB: We use --homedir (and cwd below) because some environments (Windows) do
|
|
# not correctly handle full native paths. We avoid the issue by changing to
|
|
# the right dir with cwd=gpg_dir before executing gpg, and then telling gpg to
|
|
# use the cwd (.) as its homedir which leaves the path resolution logic to it.
|
|
cmd = ['gpg', '--homedir', '.', '--import']
|
|
try:
|
|
# gpg can be pretty chatty. Always capture the output and if something goes
|
|
# wrong, the builtin check failure will dump stdout & stderr for debugging.
|
|
run_command(cmd, stdin=subprocess.PIPE, capture_output=True,
|
|
cwd=gpg_dir, check=True,
|
|
input=MAINTAINER_KEYS.encode('utf-8'))
|
|
except OSError:
|
|
if not quiet:
|
|
print('warning: gpg (GnuPG) is not available.', file=sys.stderr)
|
|
print('warning: Installing it is strongly encouraged.', file=sys.stderr)
|
|
print(file=sys.stderr)
|
|
return False
|
|
|
|
with open(os.path.join(home_dot_repo, 'keyring-version'), 'w') as fd:
|
|
fd.write('.'.join(map(str, KEYRING_VERSION)) + '\n')
|
|
return True
|
|
|
|
|
|
def _SetConfig(cwd, name, value):
|
|
"""Set a git configuration option to the specified value.
|
|
"""
|
|
run_git('config', name, value, cwd=cwd)
|
|
|
|
|
|
def _GetRepoConfig(name):
|
|
"""Read a repo configuration option."""
|
|
config = os.path.join(home_dot_repo, 'config')
|
|
if not os.path.exists(config):
|
|
return None
|
|
|
|
cmd = ['config', '--file', config, '--get', name]
|
|
ret = run_git(*cmd, check=False)
|
|
if ret.returncode == 0:
|
|
return ret.stdout
|
|
elif ret.returncode == 1:
|
|
return None
|
|
else:
|
|
print('repo: error: git %s failed:\n%s' % (' '.join(cmd), ret.stderr),
|
|
file=sys.stderr)
|
|
raise RunError()
|
|
|
|
|
|
def _InitHttp():
|
|
handlers = []
|
|
|
|
mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
|
|
try:
|
|
import netrc
|
|
n = netrc.netrc()
|
|
for host in n.hosts:
|
|
p = n.hosts[host]
|
|
mgr.add_password(p[1], 'http://%s/' % host, p[0], p[2])
|
|
mgr.add_password(p[1], 'https://%s/' % host, p[0], p[2])
|
|
except Exception:
|
|
pass
|
|
handlers.append(urllib.request.HTTPBasicAuthHandler(mgr))
|
|
handlers.append(urllib.request.HTTPDigestAuthHandler(mgr))
|
|
|
|
if 'http_proxy' in os.environ:
|
|
url = os.environ['http_proxy']
|
|
handlers.append(urllib.request.ProxyHandler({'http': url, 'https': url}))
|
|
if 'REPO_CURL_VERBOSE' in os.environ:
|
|
handlers.append(urllib.request.HTTPHandler(debuglevel=1))
|
|
handlers.append(urllib.request.HTTPSHandler(debuglevel=1))
|
|
urllib.request.install_opener(urllib.request.build_opener(*handlers))
|
|
|
|
|
|
def _Fetch(url, cwd, src, quiet, verbose):
|
|
cmd = ['fetch']
|
|
if not verbose:
|
|
cmd.append('--quiet')
|
|
err = None
|
|
if not quiet and sys.stdout.isatty():
|
|
cmd.append('--progress')
|
|
elif not verbose:
|
|
err = subprocess.PIPE
|
|
cmd.append(src)
|
|
cmd.append('+refs/heads/*:refs/remotes/origin/*')
|
|
cmd.append('+refs/tags/*:refs/tags/*')
|
|
run_git(*cmd, stderr=err, capture_output=False, cwd=cwd)
|
|
|
|
|
|
def _DownloadBundle(url, cwd, quiet, verbose):
|
|
if not url.endswith('/'):
|
|
url += '/'
|
|
url += 'clone.bundle'
|
|
|
|
ret = run_git('config', '--get-regexp', 'url.*.insteadof', cwd=cwd,
|
|
check=False)
|
|
for line in ret.stdout.splitlines():
|
|
m = re.compile(r'^url\.(.*)\.insteadof (.*)$').match(line)
|
|
if m:
|
|
new_url = m.group(1)
|
|
old_url = m.group(2)
|
|
if url.startswith(old_url):
|
|
url = new_url + url[len(old_url):]
|
|
break
|
|
|
|
if not url.startswith('http:') and not url.startswith('https:'):
|
|
return False
|
|
|
|
dest = open(os.path.join(cwd, '.git', 'clone.bundle'), 'w+b')
|
|
try:
|
|
try:
|
|
r = urllib.request.urlopen(url)
|
|
except urllib.error.HTTPError as e:
|
|
if e.code not in [400, 401, 403, 404, 501]:
|
|
print('warning: Cannot get %s' % url, file=sys.stderr)
|
|
print('warning: HTTP error %s' % e.code, file=sys.stderr)
|
|
return False
|
|
except urllib.error.URLError as e:
|
|
print('fatal: Cannot get %s' % url, file=sys.stderr)
|
|
print('fatal: error %s' % e.reason, file=sys.stderr)
|
|
raise CloneFailure()
|
|
try:
|
|
if verbose:
|
|
print('Downloading clone bundle %s' % url, file=sys.stderr)
|
|
while True:
|
|
buf = r.read(8192)
|
|
if not buf:
|
|
return True
|
|
dest.write(buf)
|
|
finally:
|
|
r.close()
|
|
finally:
|
|
dest.close()
|
|
|
|
|
|
def _ImportBundle(cwd):
|
|
path = os.path.join(cwd, '.git', 'clone.bundle')
|
|
try:
|
|
_Fetch(cwd, cwd, path, True, False)
|
|
finally:
|
|
os.remove(path)
|
|
|
|
|
|
def _Clone(url, cwd, clone_bundle, quiet, verbose):
|
|
"""Clones a git repository to a new subdirectory of repodir
|
|
"""
|
|
if verbose:
|
|
print('Cloning git repository', url)
|
|
|
|
try:
|
|
os.mkdir(cwd)
|
|
except OSError as e:
|
|
print('fatal: cannot make %s directory: %s' % (cwd, e.strerror),
|
|
file=sys.stderr)
|
|
raise CloneFailure()
|
|
|
|
run_git('init', '--quiet', cwd=cwd)
|
|
|
|
_InitHttp()
|
|
_SetConfig(cwd, 'remote.origin.url', url)
|
|
_SetConfig(cwd,
|
|
'remote.origin.fetch',
|
|
'+refs/heads/*:refs/remotes/origin/*')
|
|
if clone_bundle and _DownloadBundle(url, cwd, quiet, verbose):
|
|
_ImportBundle(cwd)
|
|
_Fetch(url, cwd, 'origin', quiet, verbose)
|
|
|
|
|
|
def resolve_repo_rev(cwd, committish):
|
|
"""Figure out what REPO_REV represents.
|
|
|
|
We support:
|
|
* refs/heads/xxx: Branch.
|
|
* refs/tags/xxx: Tag.
|
|
* xxx: Branch or tag or commit.
|
|
|
|
Args:
|
|
cwd: The git checkout to run in.
|
|
committish: The REPO_REV argument to resolve.
|
|
|
|
Returns:
|
|
A tuple of (remote ref, commit) as makes sense for the committish.
|
|
For branches, this will look like ('refs/heads/stable', <revision>).
|
|
For tags, this will look like ('refs/tags/v1.0', <revision>).
|
|
For commits, this will be (<revision>, <revision>).
|
|
"""
|
|
def resolve(committish):
|
|
ret = run_git('rev-parse', '--verify', '%s^{commit}' % (committish,),
|
|
cwd=cwd, check=False)
|
|
return None if ret.returncode else ret.stdout.strip()
|
|
|
|
# An explicit branch.
|
|
if committish.startswith('refs/heads/'):
|
|
remote_ref = committish
|
|
committish = committish[len('refs/heads/'):]
|
|
rev = resolve('refs/remotes/origin/%s' % committish)
|
|
if rev is None:
|
|
print('repo: error: unknown branch "%s"' % (committish,),
|
|
file=sys.stderr)
|
|
raise CloneFailure()
|
|
return (remote_ref, rev)
|
|
|
|
# An explicit tag.
|
|
if committish.startswith('refs/tags/'):
|
|
remote_ref = committish
|
|
committish = committish[len('refs/tags/'):]
|
|
rev = resolve(remote_ref)
|
|
if rev is None:
|
|
print('repo: error: unknown tag "%s"' % (committish,),
|
|
file=sys.stderr)
|
|
raise CloneFailure()
|
|
return (remote_ref, rev)
|
|
|
|
# See if it's a short branch name.
|
|
rev = resolve('refs/remotes/origin/%s' % committish)
|
|
if rev:
|
|
return ('refs/heads/%s' % (committish,), rev)
|
|
|
|
# See if it's a tag.
|
|
rev = resolve('refs/tags/%s' % committish)
|
|
if rev:
|
|
return ('refs/tags/%s' % (committish,), rev)
|
|
|
|
# See if it's a commit.
|
|
rev = resolve(committish)
|
|
if rev and rev.lower().startswith(committish.lower()):
|
|
return (rev, rev)
|
|
|
|
# Give up!
|
|
print('repo: error: unable to resolve "%s"' % (committish,), file=sys.stderr)
|
|
raise CloneFailure()
|
|
|
|
|
|
def verify_rev(cwd, remote_ref, rev, quiet):
|
|
"""Verify the commit has been signed by a tag."""
|
|
ret = run_git('describe', rev, cwd=cwd)
|
|
cur = ret.stdout.strip()
|
|
|
|
m = re.compile(r'^(.*)-[0-9]{1,}-g[0-9a-f]{1,}$').match(cur)
|
|
if m:
|
|
cur = m.group(1)
|
|
if not quiet:
|
|
print(file=sys.stderr)
|
|
print("warning: '%s' is not signed; falling back to signed release '%s'"
|
|
% (remote_ref, cur), file=sys.stderr)
|
|
print(file=sys.stderr)
|
|
|
|
env = os.environ.copy()
|
|
_setenv('GNUPGHOME', gpg_dir, env)
|
|
run_git('tag', '-v', cur, cwd=cwd, env=env)
|
|
return '%s^0' % cur
|
|
|
|
|
|
def _Checkout(cwd, remote_ref, rev, quiet):
|
|
"""Checkout an upstream branch into the repository and track it.
|
|
"""
|
|
run_git('update-ref', 'refs/heads/default', rev, cwd=cwd)
|
|
|
|
_SetConfig(cwd, 'branch.default.remote', 'origin')
|
|
_SetConfig(cwd, 'branch.default.merge', remote_ref)
|
|
|
|
run_git('symbolic-ref', 'HEAD', 'refs/heads/default', cwd=cwd)
|
|
|
|
cmd = ['read-tree', '--reset', '-u']
|
|
if not quiet:
|
|
cmd.append('-v')
|
|
cmd.append('HEAD')
|
|
run_git(*cmd, cwd=cwd)
|
|
|
|
|
|
def _FindRepo():
|
|
"""Look for a repo installation, starting at the current directory.
|
|
"""
|
|
curdir = os.getcwd()
|
|
repo = None
|
|
|
|
olddir = None
|
|
while curdir != olddir and not repo:
|
|
repo = os.path.join(curdir, repodir, REPO_MAIN)
|
|
if not os.path.isfile(repo):
|
|
repo = None
|
|
olddir = curdir
|
|
curdir = os.path.dirname(curdir)
|
|
return (repo, os.path.join(curdir, repodir))
|
|
|
|
|
|
class _Options(object):
|
|
help = False
|
|
version = False
|
|
|
|
|
|
def _ExpandAlias(name):
|
|
"""Look up user registered aliases."""
|
|
# We don't resolve aliases for existing subcommands. This matches git.
|
|
if name in {'gitc-init', 'help', 'init'}:
|
|
return name, []
|
|
|
|
alias = _GetRepoConfig('alias.%s' % (name,))
|
|
if alias is None:
|
|
return name, []
|
|
|
|
args = alias.strip().split(' ', 1)
|
|
name = args[0]
|
|
if len(args) == 2:
|
|
args = shlex.split(args[1])
|
|
else:
|
|
args = []
|
|
return name, args
|
|
|
|
|
|
def _ParseArguments(args):
|
|
cmd = None
|
|
opt = _Options()
|
|
arg = []
|
|
|
|
for i in range(len(args)):
|
|
a = args[i]
|
|
if a == '-h' or a == '--help':
|
|
opt.help = True
|
|
elif a == '--version':
|
|
opt.version = True
|
|
elif a == '--trace':
|
|
trace.set(True)
|
|
elif not a.startswith('-'):
|
|
cmd = a
|
|
arg = args[i + 1:]
|
|
break
|
|
return cmd, opt, arg
|
|
|
|
|
|
class Requirements(object):
|
|
"""Helper for checking repo's system requirements."""
|
|
|
|
REQUIREMENTS_NAME = 'requirements.json'
|
|
|
|
def __init__(self, requirements):
|
|
"""Initialize.
|
|
|
|
Args:
|
|
requirements: A dictionary of settings.
|
|
"""
|
|
self.requirements = requirements
|
|
|
|
@classmethod
|
|
def from_dir(cls, path):
|
|
return cls.from_file(os.path.join(path, cls.REQUIREMENTS_NAME))
|
|
|
|
@classmethod
|
|
def from_file(cls, path):
|
|
try:
|
|
with open(path, 'rb') as f:
|
|
data = f.read()
|
|
except EnvironmentError:
|
|
# NB: EnvironmentError is used for Python 2 & 3 compatibility.
|
|
# If we couldn't open the file, assume it's an old source tree.
|
|
return None
|
|
|
|
return cls.from_data(data)
|
|
|
|
@classmethod
|
|
def from_data(cls, data):
|
|
comment_line = re.compile(br'^ *#')
|
|
strip_data = b''.join(x for x in data.splitlines() if not comment_line.match(x))
|
|
try:
|
|
json_data = json.loads(strip_data)
|
|
except Exception: # pylint: disable=broad-except
|
|
# If we couldn't parse it, assume it's incompatible.
|
|
return None
|
|
|
|
return cls(json_data)
|
|
|
|
def _get_soft_ver(self, pkg):
|
|
"""Return the soft version for |pkg| if it exists."""
|
|
return self.requirements.get(pkg, {}).get('soft', ())
|
|
|
|
def _get_hard_ver(self, pkg):
|
|
"""Return the hard version for |pkg| if it exists."""
|
|
return self.requirements.get(pkg, {}).get('hard', ())
|
|
|
|
@staticmethod
|
|
def _format_ver(ver):
|
|
"""Return a dotted version from |ver|."""
|
|
return '.'.join(str(x) for x in ver)
|
|
|
|
def assert_ver(self, pkg, curr_ver):
|
|
"""Verify |pkg|'s |curr_ver| is new enough."""
|
|
curr_ver = tuple(curr_ver)
|
|
soft_ver = tuple(self._get_soft_ver(pkg))
|
|
hard_ver = tuple(self._get_hard_ver(pkg))
|
|
if curr_ver < hard_ver:
|
|
print('repo: error: Your version of "%s" (%s) is unsupported; '
|
|
'Please upgrade to at least version %s to continue.' %
|
|
(pkg, self._format_ver(curr_ver), self._format_ver(soft_ver)),
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
if curr_ver < soft_ver:
|
|
print('repo: warning: Your version of "%s" (%s) is no longer supported; '
|
|
'Please upgrade to at least version %s to avoid breakage.' %
|
|
(pkg, self._format_ver(curr_ver), self._format_ver(soft_ver)),
|
|
file=sys.stderr)
|
|
|
|
def assert_all(self):
|
|
"""Assert all of the requirements are satisified."""
|
|
# See if we need a repo launcher upgrade first.
|
|
self.assert_ver('repo', VERSION)
|
|
|
|
# Check python before we try to import the repo code.
|
|
self.assert_ver('python', sys.version_info)
|
|
|
|
# Check git while we're at it.
|
|
self.assert_ver('git', ParseGitVersion())
|
|
|
|
|
|
def _Usage():
|
|
gitc_usage = ""
|
|
if get_gitc_manifest_dir():
|
|
gitc_usage = " gitc-init Initialize a GITC Client.\n"
|
|
|
|
print(
|
|
"""usage: repo COMMAND [ARGS]
|
|
|
|
repo is not yet installed. Use "repo init" to install it here.
|
|
|
|
The most commonly used repo commands are:
|
|
|
|
init Install repo in the current working directory
|
|
""" + gitc_usage +
|
|
""" help Display detailed help on a command
|
|
|
|
For access to the full online help, install repo ("repo init").
|
|
""")
|
|
print('Bug reports:', BUG_URL)
|
|
sys.exit(0)
|
|
|
|
|
|
def _Help(args):
|
|
if args:
|
|
if args[0] in {'init', 'gitc-init'}:
|
|
parser = GetParser(gitc_init=args[0] == 'gitc-init')
|
|
parser.print_help()
|
|
sys.exit(0)
|
|
else:
|
|
print("error: '%s' is not a bootstrap command.\n"
|
|
' For access to online help, install repo ("repo init").'
|
|
% args[0], file=sys.stderr)
|
|
else:
|
|
_Usage()
|
|
sys.exit(1)
|
|
|
|
|
|
def _Version():
|
|
"""Show version information."""
|
|
print('<repo not installed>')
|
|
print('repo launcher version %s' % ('.'.join(str(x) for x in VERSION),))
|
|
print(' (from %s)' % (__file__,))
|
|
print('git %s' % (ParseGitVersion().full,))
|
|
print('Python %s' % sys.version)
|
|
uname = platform.uname()
|
|
if sys.version_info.major < 3:
|
|
# Python 3 returns a named tuple, but Python 2 is simpler.
|
|
print(uname)
|
|
else:
|
|
print('OS %s %s (%s)' % (uname.system, uname.release, uname.version))
|
|
print('CPU %s (%s)' %
|
|
(uname.machine, uname.processor if uname.processor else 'unknown'))
|
|
print('Bug reports:', BUG_URL)
|
|
sys.exit(0)
|
|
|
|
|
|
def _NotInstalled():
|
|
print('error: repo is not installed. Use "repo init" to install it here.',
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
def _NoCommands(cmd):
|
|
print("""error: command '%s' requires repo to be installed first.
|
|
Use "repo init" to install it here.""" % cmd, file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
def _RunSelf(wrapper_path):
|
|
my_dir = os.path.dirname(wrapper_path)
|
|
my_main = os.path.join(my_dir, 'main.py')
|
|
my_git = os.path.join(my_dir, '.git')
|
|
|
|
if os.path.isfile(my_main) and os.path.isdir(my_git):
|
|
for name in ['git_config.py',
|
|
'project.py',
|
|
'subcmds']:
|
|
if not os.path.exists(os.path.join(my_dir, name)):
|
|
return None, None
|
|
return my_main, my_git
|
|
return None, None
|
|
|
|
|
|
def _SetDefaultsTo(gitdir):
|
|
global REPO_URL
|
|
global REPO_REV
|
|
|
|
REPO_URL = gitdir
|
|
ret = run_git('--git-dir=%s' % gitdir, 'symbolic-ref', 'HEAD', check=False)
|
|
if ret.returncode:
|
|
# If we're not tracking a branch (bisect/etc...), then fall back to commit.
|
|
print('repo: warning: %s has no current branch; using HEAD' % gitdir,
|
|
file=sys.stderr)
|
|
try:
|
|
ret = run_git('rev-parse', 'HEAD', cwd=gitdir)
|
|
except CloneFailure:
|
|
print('fatal: %s has invalid HEAD' % gitdir, file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
REPO_REV = ret.stdout.strip()
|
|
|
|
|
|
def main(orig_args):
|
|
cmd, opt, args = _ParseArguments(orig_args)
|
|
|
|
# We run this early as we run some git commands ourselves.
|
|
SetGitTrace2ParentSid()
|
|
|
|
repo_main, rel_repo_dir = None, None
|
|
# Don't use the local repo copy, make sure to switch to the gitc client first.
|
|
if cmd != 'gitc-init':
|
|
repo_main, rel_repo_dir = _FindRepo()
|
|
|
|
wrapper_path = os.path.abspath(__file__)
|
|
my_main, my_git = _RunSelf(wrapper_path)
|
|
|
|
cwd = os.getcwd()
|
|
if get_gitc_manifest_dir() and cwd.startswith(get_gitc_manifest_dir()):
|
|
print('error: repo cannot be used in the GITC local manifest directory.'
|
|
'\nIf you want to work on this GITC client please rerun this '
|
|
'command from the corresponding client under /gitc/',
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
if not repo_main:
|
|
# Only expand aliases here since we'll be parsing the CLI ourselves.
|
|
# If we had repo_main, alias expansion would happen in main.py.
|
|
cmd, alias_args = _ExpandAlias(cmd)
|
|
args = alias_args + args
|
|
|
|
if opt.help:
|
|
_Usage()
|
|
if cmd == 'help':
|
|
_Help(args)
|
|
if opt.version or cmd == 'version':
|
|
_Version()
|
|
if not cmd:
|
|
_NotInstalled()
|
|
if cmd == 'init' or cmd == 'gitc-init':
|
|
if my_git:
|
|
_SetDefaultsTo(my_git)
|
|
try:
|
|
_Init(args, gitc_init=(cmd == 'gitc-init'))
|
|
except CloneFailure:
|
|
path = os.path.join(repodir, S_repo)
|
|
print("fatal: cloning the git-repo repository failed, will remove "
|
|
"'%s' " % path, file=sys.stderr)
|
|
shutil.rmtree(path, ignore_errors=True)
|
|
sys.exit(1)
|
|
repo_main, rel_repo_dir = _FindRepo()
|
|
else:
|
|
_NoCommands(cmd)
|
|
|
|
if my_main:
|
|
repo_main = my_main
|
|
|
|
if not repo_main:
|
|
print("fatal: unable to find repo entry point", file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
reqs = Requirements.from_dir(os.path.dirname(repo_main))
|
|
if reqs:
|
|
reqs.assert_all()
|
|
|
|
ver_str = '.'.join(map(str, VERSION))
|
|
me = [sys.executable, repo_main,
|
|
'--repo-dir=%s' % rel_repo_dir,
|
|
'--wrapper-version=%s' % ver_str,
|
|
'--wrapper-path=%s' % wrapper_path,
|
|
'--']
|
|
me.extend(orig_args)
|
|
exec_command(me)
|
|
print("fatal: unable to start %s" % repo_main, file=sys.stderr)
|
|
sys.exit(148)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv[1:])
|