Reland "repo: auto-update depot_tools when used"
This is a reland of 19512276d2c5680cd458c9a7e2b4034611ca6f96.
It includes an update to .gitattributes for recipes.
Original change's description:
> repo: auto-update depot_tools when used
>
> Since gclient automatically syncs this checkout when used,
> have repo do the same for CrOS users.
>
> Bug: 1148984
> Test: ran and saw it auto-update when used externally
> Test: ran and saw it not auto-update when used inside of a repo checkout
> Change-Id: I56b9a45ef3a9ed501f6277e8f8357d4719cf2557
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2537164
> Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
> Reviewed-by: Michael Mortensen <mmortensen@google.com>
> Commit-Queue: Mike Frysinger <vapier@chromium.org>
Bug: 1148984
Change-Id: Ia7844016cb04d3197e51ad05da64c885cf3277a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2561229
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Reviewed-by: Andrii Shyshkalov <tandrii@google.com>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/.gitattributes b/.gitattributes
index bea6716..2fd3a0a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -25,6 +25,7 @@
/ninja* recipes
/pylint* recipes
/repo recipes
+/repo_launcher recipes
/roll-dep* recipes
/yapf* recipes
diff --git a/OWNERS b/OWNERS
index dec9ce3..56fd801 100644
--- a/OWNERS
+++ b/OWNERS
@@ -22,6 +22,7 @@
per-file cros=file://CROS_OWNERS
per-file cros_sdk=file://CROS_OWNERS
per-file repo=file://CROS_OWNERS
+per-file repo_launcher=file://CROS_OWNERS
per-file CROS_OWNERS=file://CROS_OWNERS
# for the Goma client update
diff --git a/repo b/repo
index 8a3b2aa..be12be4 100755
--- a/repo
+++ b/repo
@@ -1,1194 +1,51 @@
-#!/usr/bin/env python
-# -*- coding:utf-8 -*-
-#
-# Copyright (C) 2008 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+#!/usr/bin/env python3
+# Copyright 2020 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
-"""Repo launcher.
+"""Wrapper around repo to auto-update depot_tools during sync.
-This is a standalone tool that people may copy to anywhere in their system.
-It is used to get an initial repo client checkout, and after that it runs the
-copy of repo in the checkout.
+gclient keeps depot_tools up-to-date automatically for Chromium developers.
+
+We only want to do this on `repo sync` operations as that implies a network
+operation, and update_depot_tools is not cheap.
"""
-from __future__ import print_function
-
-import datetime
import os
-import platform
-import shlex
+from pathlib import Path
import subprocess
import sys
-# Keep basic logic in sync with repo_trace.py.
-class Trace(object):
- """Trace helper logic."""
-
- REPO_TRACE = 'REPO_TRACE'
-
- def __init__(self):
- self.set(os.environ.get(self.REPO_TRACE) == '1')
-
- def set(self, value):
- self.enabled = bool(value)
-
- def print(self, *args, **kwargs):
- if self.enabled:
- print(*args, **kwargs)
+# Some useful paths.
+DEPOT_TOOLS_DIR = Path(__file__).resolve().parent
+UPDATE_DEPOT_TOOLS = DEPOT_TOOLS_DIR / 'update_depot_tools'
+REPO = DEPOT_TOOLS_DIR / 'repo_launcher'
-trace = Trace()
+def _UpdateDepotTools():
+ """Help CrOS users keep their depot_tools checkouts up-to-date."""
+ if os.getenv('DEPOT_TOOLS_UPDATE') == '0':
+ return
+
+ # We don't update the copy that's part of the CrOS repo client checkout.
+ path = DEPOT_TOOLS_DIR
+ while path != path.parent:
+ if (path / '.repo').is_dir() and (path / 'chromite').is_dir():
+ return
+ path = path.parent
+
+ subprocess.run([UPDATE_DEPOT_TOOLS], check=True)
-def exec_command(cmd):
- """Execute |cmd| or return None on failure."""
- trace.print(':', ' '.join(cmd))
- try:
- if platform.system() == 'Windows':
- ret = subprocess.call(cmd)
- sys.exit(ret)
- else:
- os.execvp(cmd[0], cmd)
- except Exception:
- pass
+def main(argv):
+ # This is a bit hacky, but should be "good enough". If repo itself gains
+ # support for sync hooks, we could switch to that.
+ if argv and argv[0] == 'sync':
+ _UpdateDepotTools()
-
-def check_python_version():
- """Make sure the active Python version is recent enough."""
- def reexec(prog):
- exec_command([prog] + sys.argv)
-
- MIN_PYTHON_VERSION = (3, 6)
-
- ver = sys.version_info
- major = ver.major
- minor = ver.minor
-
- # Abort on very old Python 2 versions.
- if (major, minor) < (2, 7):
- print('repo: error: Your Python version is too old. '
- 'Please use Python {}.{} or newer instead.'.format(
- *MIN_PYTHON_VERSION), file=sys.stderr)
- sys.exit(1)
-
- # Try to re-exec the version specific Python 3 if needed.
- if (major, minor) < MIN_PYTHON_VERSION:
- # Python makes releases ~once a year, so try our min version +10 to help
- # bridge the gap. This is the fallback anyways so perf isn't critical.
- min_major, min_minor = MIN_PYTHON_VERSION
- for inc in range(0, 10):
- reexec('python{}.{}'.format(min_major, min_minor + inc))
-
- # Try the generic Python 3 wrapper, but only if it's new enough. We don't
- # want to go from (still supported) Python 2.7 to (unsupported) Python 3.5.
- try:
- proc = subprocess.Popen(
- ['python3', '-c', 'import sys; '
- 'print(sys.version_info.major, sys.version_info.minor)'],
- stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- (output, _) = proc.communicate()
- python3_ver = tuple(int(x) for x in output.decode('utf-8').split())
- except (OSError, subprocess.CalledProcessError):
- python3_ver = None
-
- # The python3 version looks like it's new enough, so give it a try.
- if python3_ver and python3_ver >= MIN_PYTHON_VERSION:
- reexec('python3')
-
- # We're still here, so diagnose things for the user.
- if major < 3:
- print('repo: warning: Python 2 is no longer supported; '
- 'Please upgrade to Python {}.{}+.'.format(*MIN_PYTHON_VERSION),
- file=sys.stderr)
- else:
- print('repo: error: Python 3 version is too old; '
- 'Please use Python {}.{} or newer.'.format(*MIN_PYTHON_VERSION),
- file=sys.stderr)
- sys.exit(1)
+ os.execv(REPO, [sys.argv[0]] + argv)
if __name__ == '__main__':
- check_python_version()
-
-
-# repo default configuration
-#
-REPO_URL = os.environ.get('REPO_URL', None)
-if not REPO_URL:
- REPO_URL = 'https://chromium.googlesource.com/external/repo'
-REPO_REV = os.environ.get('REPO_REV')
-if not REPO_REV:
- REPO_REV = 'stable'
-
-# increment this whenever we make important changes to this script
-VERSION = (2, 8)
-
-# increment this if the MAINTAINER_KEYS block is modified
-KEYRING_VERSION = (2, 3)
-
-# Each individual key entry is created by using:
-# gpg --armor --export keyid
-MAINTAINER_KEYS = """
-
- Repo Maintainer <repo@android.kernel.org>
------BEGIN PGP PUBLIC KEY BLOCK-----
-
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-VCkk1l8qqLiuW0fo+ZkPY5qOgrvc0HW1SmdH649uNwqCbcKb6CxaTxzhOwCgj3AP
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-cZ7aFsJF4PtcDrfdejyAxbtsSHI=
-=82Tj
------END PGP PUBLIC KEY BLOCK-----
-"""
-
-GIT = 'git' # our git command
-# NB: The version of git that the repo launcher requires may be much older than
-# the version of git that the main repo source tree requires. Keeping this at
-# an older version also makes it easier for users to upgrade/rollback as needed.
-#
-# git-1.7 is in (EOL) Ubuntu Precise.
-MIN_GIT_VERSION = (1, 7, 2) # minimum supported git version
-repodir = '.repo' # name of repo's private directory
-S_repo = 'repo' # special repo repository
-S_manifests = 'manifests' # special manifest repository
-REPO_MAIN = S_repo + '/main.py' # main script
-GITC_CONFIG_FILE = '/gitc/.config'
-GITC_FS_ROOT_DIR = '/gitc/manifest-rw/'
-
-
-import collections
-import errno
-import optparse
-import re
-import shutil
-import stat
-
-if sys.version_info[0] == 3:
- import urllib.request
- import urllib.error
-else:
- import imp
- import urllib2
- urllib = imp.new_module('urllib')
- urllib.request = urllib2
- urllib.error = urllib2
-
-
-home_dot_repo = os.path.expanduser('~/.repoconfig')
-gpg_dir = os.path.join(home_dot_repo, 'gnupg')
-
-
-def GetParser(gitc_init=False):
- """Setup the CLI parser."""
- if gitc_init:
- usage = 'repo gitc-init -u url -c client [options]'
- else:
- usage = 'repo init -u url [options]'
-
- parser = optparse.OptionParser(usage=usage)
-
- # Logging.
- group = parser.add_option_group('Logging options')
- group.add_option('-v', '--verbose',
- dest='output_mode', action='store_true',
- help='show all output')
- group.add_option('-q', '--quiet',
- dest='output_mode', action='store_false',
- help='only show errors')
-
- # Manifest.
- group = parser.add_option_group('Manifest options')
- group.add_option('-u', '--manifest-url',
- help='manifest repository location', metavar='URL')
- group.add_option('-b', '--manifest-branch',
- help='manifest branch or revision', metavar='REVISION')
- group.add_option('-m', '--manifest-name',
- help='initial manifest file', metavar='NAME.xml')
- cbr_opts = ['--current-branch']
- # The gitc-init subcommand allocates -c itself, but a lot of init users
- # want -c, so try to satisfy both as best we can.
- if not gitc_init:
- cbr_opts += ['-c']
- group.add_option(*cbr_opts,
- dest='current_branch_only', action='store_true',
- help='fetch only current manifest branch from server')
- group.add_option('--mirror', action='store_true',
- help='create a replica of the remote repositories '
- 'rather than a client working directory')
- 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('--clone-filter', action='store', default='blob:none',
- help='filter for use with --partial-clone '
- '[default: %default]')
- group.add_option('--worktree', action='store_true',
- help=optparse.SUPPRESS_HELP)
- 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('--submodules', action='store_true',
- help='sync any submodules associated with the manifest repo')
- group.add_option('-g', '--groups', default='default',
- help='restrict manifest projects to ones with specified '
- 'group(s) [default|all|G1,G2,G3|G4,-G5,-G6]',
- metavar='GROUP')
- group.add_option('-p', '--platform', default='auto',
- help='restrict manifest projects to ones with a specified '
- 'platform group [auto|all|none|linux|darwin|...]',
- metavar='PLATFORM')
- 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)')
- group.add_option('--no-tags',
- dest='tags', default=True, action='store_false',
- help="don't fetch tags in the manifest")
-
- # 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.
-
- @param 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:
- 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 in [401, 403, 404, 501]:
- return False
- print('fatal: Cannot get %s' % url, file=sys.stderr)
- print('fatal: HTTP error %s' % e.code, file=sys.stderr)
- raise CloneFailure()
- 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 != '/' \
- and 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
-
-
-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").
-""")
- 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'))
- 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)
-
- 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:])
+ sys.exit(main(sys.argv[1:]))
diff --git a/repo_launcher b/repo_launcher
new file mode 100755
index 0000000..8a3b2aa
--- /dev/null
+++ b/repo_launcher
@@ -0,0 +1,1194 @@
+#!/usr/bin/env python
+# -*- coding:utf-8 -*-
+#
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Repo launcher.
+
+This is a standalone tool that people may copy to anywhere in their system.
+It is used to get an initial repo client checkout, and after that it runs the
+copy of repo in the checkout.
+"""
+
+from __future__ import print_function
+
+import datetime
+import os
+import platform
+import shlex
+import subprocess
+import sys
+
+
+# Keep basic logic in sync with repo_trace.py.
+class Trace(object):
+ """Trace helper logic."""
+
+ REPO_TRACE = 'REPO_TRACE'
+
+ def __init__(self):
+ self.set(os.environ.get(self.REPO_TRACE) == '1')
+
+ def set(self, value):
+ self.enabled = bool(value)
+
+ def print(self, *args, **kwargs):
+ if self.enabled:
+ print(*args, **kwargs)
+
+
+trace = Trace()
+
+
+def exec_command(cmd):
+ """Execute |cmd| or return None on failure."""
+ trace.print(':', ' '.join(cmd))
+ try:
+ if platform.system() == 'Windows':
+ ret = subprocess.call(cmd)
+ sys.exit(ret)
+ else:
+ os.execvp(cmd[0], cmd)
+ except Exception:
+ pass
+
+
+def check_python_version():
+ """Make sure the active Python version is recent enough."""
+ def reexec(prog):
+ exec_command([prog] + sys.argv)
+
+ MIN_PYTHON_VERSION = (3, 6)
+
+ ver = sys.version_info
+ major = ver.major
+ minor = ver.minor
+
+ # Abort on very old Python 2 versions.
+ if (major, minor) < (2, 7):
+ print('repo: error: Your Python version is too old. '
+ 'Please use Python {}.{} or newer instead.'.format(
+ *MIN_PYTHON_VERSION), file=sys.stderr)
+ sys.exit(1)
+
+ # Try to re-exec the version specific Python 3 if needed.
+ if (major, minor) < MIN_PYTHON_VERSION:
+ # Python makes releases ~once a year, so try our min version +10 to help
+ # bridge the gap. This is the fallback anyways so perf isn't critical.
+ min_major, min_minor = MIN_PYTHON_VERSION
+ for inc in range(0, 10):
+ reexec('python{}.{}'.format(min_major, min_minor + inc))
+
+ # Try the generic Python 3 wrapper, but only if it's new enough. We don't
+ # want to go from (still supported) Python 2.7 to (unsupported) Python 3.5.
+ try:
+ proc = subprocess.Popen(
+ ['python3', '-c', 'import sys; '
+ 'print(sys.version_info.major, sys.version_info.minor)'],
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ (output, _) = proc.communicate()
+ python3_ver = tuple(int(x) for x in output.decode('utf-8').split())
+ except (OSError, subprocess.CalledProcessError):
+ python3_ver = None
+
+ # The python3 version looks like it's new enough, so give it a try.
+ if python3_ver and python3_ver >= MIN_PYTHON_VERSION:
+ reexec('python3')
+
+ # We're still here, so diagnose things for the user.
+ if major < 3:
+ print('repo: warning: Python 2 is no longer supported; '
+ 'Please upgrade to Python {}.{}+.'.format(*MIN_PYTHON_VERSION),
+ file=sys.stderr)
+ else:
+ print('repo: error: Python 3 version is too old; '
+ 'Please use Python {}.{} or newer.'.format(*MIN_PYTHON_VERSION),
+ file=sys.stderr)
+ sys.exit(1)
+
+
+if __name__ == '__main__':
+ check_python_version()
+
+
+# repo default configuration
+#
+REPO_URL = os.environ.get('REPO_URL', None)
+if not REPO_URL:
+ REPO_URL = 'https://chromium.googlesource.com/external/repo'
+REPO_REV = os.environ.get('REPO_REV')
+if not REPO_REV:
+ REPO_REV = 'stable'
+
+# increment this whenever we make important changes to this script
+VERSION = (2, 8)
+
+# increment this if the MAINTAINER_KEYS block is modified
+KEYRING_VERSION = (2, 3)
+
+# Each individual key entry is created by using:
+# gpg --armor --export keyid
+MAINTAINER_KEYS = """
+
+ Repo Maintainer <repo@android.kernel.org>
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQGiBEj3ugERBACrLJh/ZPyVSKeClMuznFIrsQ+hpNnmJGw1a9GXKYKk8qHPhAZf
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+cZ7aFsJF4PtcDrfdejyAxbtsSHI=
+=82Tj
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+
+GIT = 'git' # our git command
+# NB: The version of git that the repo launcher requires may be much older than
+# the version of git that the main repo source tree requires. Keeping this at
+# an older version also makes it easier for users to upgrade/rollback as needed.
+#
+# git-1.7 is in (EOL) Ubuntu Precise.
+MIN_GIT_VERSION = (1, 7, 2) # minimum supported git version
+repodir = '.repo' # name of repo's private directory
+S_repo = 'repo' # special repo repository
+S_manifests = 'manifests' # special manifest repository
+REPO_MAIN = S_repo + '/main.py' # main script
+GITC_CONFIG_FILE = '/gitc/.config'
+GITC_FS_ROOT_DIR = '/gitc/manifest-rw/'
+
+
+import collections
+import errno
+import optparse
+import re
+import shutil
+import stat
+
+if sys.version_info[0] == 3:
+ import urllib.request
+ import urllib.error
+else:
+ import imp
+ import urllib2
+ urllib = imp.new_module('urllib')
+ urllib.request = urllib2
+ urllib.error = urllib2
+
+
+home_dot_repo = os.path.expanduser('~/.repoconfig')
+gpg_dir = os.path.join(home_dot_repo, 'gnupg')
+
+
+def GetParser(gitc_init=False):
+ """Setup the CLI parser."""
+ if gitc_init:
+ usage = 'repo gitc-init -u url -c client [options]'
+ else:
+ usage = 'repo init -u url [options]'
+
+ parser = optparse.OptionParser(usage=usage)
+
+ # Logging.
+ group = parser.add_option_group('Logging options')
+ group.add_option('-v', '--verbose',
+ dest='output_mode', action='store_true',
+ help='show all output')
+ group.add_option('-q', '--quiet',
+ dest='output_mode', action='store_false',
+ help='only show errors')
+
+ # Manifest.
+ group = parser.add_option_group('Manifest options')
+ group.add_option('-u', '--manifest-url',
+ help='manifest repository location', metavar='URL')
+ group.add_option('-b', '--manifest-branch',
+ help='manifest branch or revision', metavar='REVISION')
+ group.add_option('-m', '--manifest-name',
+ help='initial manifest file', metavar='NAME.xml')
+ cbr_opts = ['--current-branch']
+ # The gitc-init subcommand allocates -c itself, but a lot of init users
+ # want -c, so try to satisfy both as best we can.
+ if not gitc_init:
+ cbr_opts += ['-c']
+ group.add_option(*cbr_opts,
+ dest='current_branch_only', action='store_true',
+ help='fetch only current manifest branch from server')
+ group.add_option('--mirror', action='store_true',
+ help='create a replica of the remote repositories '
+ 'rather than a client working directory')
+ 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('--clone-filter', action='store', default='blob:none',
+ help='filter for use with --partial-clone '
+ '[default: %default]')
+ group.add_option('--worktree', action='store_true',
+ help=optparse.SUPPRESS_HELP)
+ 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('--submodules', action='store_true',
+ help='sync any submodules associated with the manifest repo')
+ group.add_option('-g', '--groups', default='default',
+ help='restrict manifest projects to ones with specified '
+ 'group(s) [default|all|G1,G2,G3|G4,-G5,-G6]',
+ metavar='GROUP')
+ group.add_option('-p', '--platform', default='auto',
+ help='restrict manifest projects to ones with a specified '
+ 'platform group [auto|all|none|linux|darwin|...]',
+ metavar='PLATFORM')
+ 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)')
+ group.add_option('--no-tags',
+ dest='tags', default=True, action='store_false',
+ help="don't fetch tags in the manifest")
+
+ # 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.
+
+ @param 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:
+ 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 in [401, 403, 404, 501]:
+ return False
+ print('fatal: Cannot get %s' % url, file=sys.stderr)
+ print('fatal: HTTP error %s' % e.code, file=sys.stderr)
+ raise CloneFailure()
+ 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 != '/' \
+ and 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
+
+
+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").
+""")
+ 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'))
+ 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)
+
+ 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:])