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1e7ab2a63f
git-repo/repo
Conley Owens 5e0ee14575 Do not use print_function from __future__ 
Python 2.4 and 2.5 do not have a print_function available, so we need a
compatible print function for displaying an error message when the user
has an older version of Python.

Change-Id: I54d7297be98bb53970e873b36c6605e6dad386c3
2013-09-27 09:32:02 +09:00

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Python
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#!/usr/bin/env python
## repo default configuration
##
REPO_URL = 'https://gerrit.googlesource.com/git-repo'
REPO_REV = 'stable'
# Copyright (C) 2008 Google Inc.
#
# 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.
# increment this whenever we make important changes to this script
VERSION = (1, 20)
# increment this if the MAINTAINER_KEYS block is modified
KEYRING_VERSION = (1, 2)
MAINTAINER_KEYS = """
Repo Maintainer <repo@android.kernel.org>
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=CMiZ
-----END PGP PUBLIC KEY BLOCK-----
Conley Owens <cco3@android.com>
-----BEGIN PGP PUBLIC KEY BLOCK-----
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"""
GIT = 'git' # our git command
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
MIN_PYTHON_VERSION = (2, 6) # minimum supported python version
import optparse
import os
import re
import stat
import subprocess
import sys
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
def _print(*objects, **kwargs):
sep = kwargs.get('sep', ' ')
end = kwargs.get('end', '\n')
out = kwargs.get('file', sys.stdout)
out.write(sep.join(objects) + end)
# Python version check
ver = sys.version_info
if ver[0] == 3:
_print('error: Python 3 support is not fully implemented in repo yet.\n'
'Please use Python 2.6 - 2.7 instead.',
file=sys.stderr)
sys.exit(1)
if (ver[0], ver[1]) < MIN_PYTHON_VERSION:
_print('error: Python version %s unsupported.\n'
'Please use Python 2.6 - 2.7 instead.'
% sys.version.split(' ')[0], file=sys.stderr)
sys.exit(1)
home_dot_repo = os.path.expanduser('~/.repoconfig')
gpg_dir = os.path.join(home_dot_repo, 'gnupg')
extra_args = []
init_optparse = optparse.OptionParser(usage="repo init -u url [options]")
# Logging
group = init_optparse.add_option_group('Logging options')
group.add_option('-q', '--quiet',
dest="quiet", action="store_true", default=False,
help="be quiet")
# Manifest
group = init_optparse.add_option_group('Manifest options')
group.add_option('-u', '--manifest-url',
dest='manifest_url',
help='manifest repository location', metavar='URL')
group.add_option('-b', '--manifest-branch',
dest='manifest_branch',
help='manifest branch or revision', metavar='REVISION')
group.add_option('-m', '--manifest-name',
dest='manifest_name',
help='initial manifest file', metavar='NAME.xml')
group.add_option('--mirror',
dest='mirror', action='store_true',
help='create a replica of the remote repositories '
'rather than a client working directory')
group.add_option('--reference',
dest='reference',
help='location of mirror directory', metavar='DIR')
group.add_option('--depth', type='int', default=None,
dest='depth',
help='create a shallow clone with given depth; see git clone')
group.add_option('-g', '--groups',
dest='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',
dest='platform', default="auto",
help='restrict manifest projects to ones with a specified '
'platform group [auto|all|none|linux|darwin|...]',
metavar='PLATFORM')
# Tool
group = init_optparse.add_option_group('repo Version options')
group.add_option('--repo-url',
dest='repo_url',
help='repo repository location', metavar='URL')
group.add_option('--repo-branch',
dest='repo_branch',
help='repo branch or revision', metavar='REVISION')
group.add_option('--no-repo-verify',
dest='no_repo_verify', action='store_true',
help='do not verify repo source code')
# Other
group = init_optparse.add_option_group('Other options')
group.add_option('--config-name',
dest='config_name', action="store_true", default=False,
help='Always prompt for name/e-mail')
class CloneFailure(Exception):
"""Indicate the remote clone of repo itself failed.
"""
def _Init(args):
"""Installs repo by cloning it over the network.
"""
opt, args = init_optparse.parse_args(args)
if args:
init_optparse.print_usage()
sys.exit(1)
url = opt.repo_url
if not url:
url = REPO_URL
extra_args.append('--repo-url=%s' % url)
branch = opt.repo_branch
if not branch:
branch = REPO_REV
extra_args.append('--repo-branch=%s' % branch)
if branch.startswith('refs/heads/'):
branch = branch[len('refs/heads/'):]
if branch.startswith('refs/'):
_print("fatal: invalid branch name '%s'" % branch, file=sys.stderr)
raise CloneFailure()
if not os.path.isdir(repodir):
try:
os.mkdir(repodir)
except OSError as e:
_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 NeedSetupGnuPG():
can_verify = SetupGnuPG(opt.quiet)
else:
can_verify = True
dst = os.path.abspath(os.path.join(repodir, S_repo))
_Clone(url, dst, opt.quiet)
if can_verify and not opt.no_repo_verify:
rev = _Verify(dst, branch, opt.quiet)
else:
rev = 'refs/remotes/origin/%s^0' % branch
_Checkout(dst, branch, rev, opt.quiet)
except CloneFailure:
if opt.quiet:
_print('fatal: repo init failed; run without --quiet to see why',
file=sys.stderr)
raise
def _CheckGitVersion():
cmd = [GIT, '--version']
try:
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
except OSError as e:
_print(file=sys.stderr)
_print("fatal: '%s' is not available" % GIT, file=sys.stderr)
_print('fatal: %s' % e, file=sys.stderr)
_print(file=sys.stderr)
_print('Please make sure %s is installed and in your path.' % GIT,
file=sys.stderr)
raise CloneFailure()
ver_str = proc.stdout.read().strip()
proc.stdout.close()
proc.wait()
if not ver_str.startswith('git version '):
_print('error: "%s" unsupported' % ver_str, file=sys.stderr)
raise CloneFailure()
ver_str = ver_str[len('git version '):].strip()
ver_act = tuple(map(int, ver_str.split('.')[0:3]))
if ver_act < MIN_GIT_VERSION:
need = '.'.join(map(str, MIN_GIT_VERSION))
_print('fatal: git %s or later required' % need, file=sys.stderr)
raise CloneFailure()
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):
if not os.path.isdir(home_dot_repo):
try:
os.mkdir(home_dot_repo)
except OSError as e:
_print('fatal: cannot make %s directory: %s'
% (home_dot_repo, e.strerror), file=sys.stderr)
sys.exit(1)
if not os.path.isdir(gpg_dir):
try:
os.mkdir(gpg_dir, stat.S_IRWXU)
except OSError as e:
_print('fatal: cannot make %s directory: %s' % (gpg_dir, e.strerror),
file=sys.stderr)
sys.exit(1)
env = os.environ.copy()
env['GNUPGHOME'] = gpg_dir.encode()
cmd = ['gpg', '--import']
try:
proc = subprocess.Popen(cmd,
env = env,
stdin = subprocess.PIPE)
except OSError as e:
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
proc.stdin.write(MAINTAINER_KEYS)
proc.stdin.close()
if proc.wait() != 0:
_print('fatal: registering repo maintainer keys failed', file=sys.stderr)
sys.exit(1)
_print()
fd = open(os.path.join(home_dot_repo, 'keyring-version'), 'w')
fd.write('.'.join(map(str, KEYRING_VERSION)) + '\n')
fd.close()
return True
def _SetConfig(local, name, value):
"""Set a git configuration option to the specified value.
"""
cmd = [GIT, 'config', name, value]
if subprocess.Popen(cmd, cwd = local).wait() != 0:
raise CloneFailure()
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:
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, local, src, quiet):
if not quiet:
_print('Get %s' % url, file=sys.stderr)
cmd = [GIT, 'fetch']
if quiet:
cmd.append('--quiet')
err = subprocess.PIPE
else:
err = None
cmd.append(src)
cmd.append('+refs/heads/*:refs/remotes/origin/*')
cmd.append('refs/tags/*:refs/tags/*')
proc = subprocess.Popen(cmd, cwd = local, stderr = err)
if err:
proc.stderr.read()
proc.stderr.close()
if proc.wait() != 0:
raise CloneFailure()
def _DownloadBundle(url, local, quiet):
if not url.endswith('/'):
url += '/'
url += 'clone.bundle'
proc = subprocess.Popen(
[GIT, 'config', '--get-regexp', 'url.*.insteadof'],
cwd = local,
stdout = subprocess.PIPE)
for line in proc.stdout:
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
proc.stdout.close()
proc.wait()
if not url.startswith('http:') and not url.startswith('https:'):
return False
dest = open(os.path.join(local, '.git', 'clone.bundle'), 'w+b')
try:
try:
r = urllib.request.urlopen(url)
except urllib.error.HTTPError as e:
if e.code in [403, 404]:
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 not quiet:
_print('Get %s' % url, file=sys.stderr)
while True:
buf = r.read(8192)
if buf == '':
return True
dest.write(buf)
finally:
r.close()
finally:
dest.close()
def _ImportBundle(local):
path = os.path.join(local, '.git', 'clone.bundle')
try:
_Fetch(local, local, path, True)
finally:
os.remove(path)
def _Clone(url, local, quiet):
"""Clones a git repository to a new subdirectory of repodir
"""
try:
os.mkdir(local)
except OSError as e:
_print('fatal: cannot make %s directory: %s' % (local, e.strerror),
file=sys.stderr)
raise CloneFailure()
cmd = [GIT, 'init', '--quiet']
try:
proc = subprocess.Popen(cmd, cwd = local)
except OSError as e:
_print(file=sys.stderr)
_print("fatal: '%s' is not available" % GIT, file=sys.stderr)
_print('fatal: %s' % e, file=sys.stderr)
_print(file=sys.stderr)
_print('Please make sure %s is installed and in your path.' % GIT,
file=sys.stderr)
raise CloneFailure()
if proc.wait() != 0:
_print('fatal: could not create %s' % local, file=sys.stderr)
raise CloneFailure()
_InitHttp()
_SetConfig(local, 'remote.origin.url', url)
_SetConfig(local, 'remote.origin.fetch',
'+refs/heads/*:refs/remotes/origin/*')
if _DownloadBundle(url, local, quiet):
_ImportBundle(local)
else:
_Fetch(url, local, 'origin', quiet)
def _Verify(cwd, branch, quiet):
"""Verify the branch has been signed by a tag.
"""
cmd = [GIT, 'describe', 'origin/%s' % branch]
proc = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
cwd = cwd)
cur = proc.stdout.read().strip()
proc.stdout.close()
proc.stderr.read()
proc.stderr.close()
if proc.wait() != 0 or not cur:
_print(file=sys.stderr)
_print("fatal: branch '%s' has not been signed" % branch, file=sys.stderr)
raise CloneFailure()
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("info: Ignoring branch '%s'; using tagged release '%s'"
% (branch, cur), file=sys.stderr)
_print(file=sys.stderr)
env = os.environ.copy()
env['GNUPGHOME'] = gpg_dir.encode()
cmd = [GIT, 'tag', '-v', cur]
proc = subprocess.Popen(cmd,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
cwd = cwd,
env = env)
out = proc.stdout.read()
proc.stdout.close()
err = proc.stderr.read()
proc.stderr.close()
if proc.wait() != 0:
_print(file=sys.stderr)
_print(out, file=sys.stderr)
_print(err, file=sys.stderr)
_print(file=sys.stderr)
raise CloneFailure()
return '%s^0' % cur
def _Checkout(cwd, branch, rev, quiet):
"""Checkout an upstream branch into the repository and track it.
"""
cmd = [GIT, 'update-ref', 'refs/heads/default', rev]
if subprocess.Popen(cmd, cwd = cwd).wait() != 0:
raise CloneFailure()
_SetConfig(cwd, 'branch.default.remote', 'origin')
_SetConfig(cwd, 'branch.default.merge', 'refs/heads/%s' % branch)
cmd = [GIT, 'symbolic-ref', 'HEAD', 'refs/heads/default']
if subprocess.Popen(cmd, cwd = cwd).wait() != 0:
raise CloneFailure()
cmd = [GIT, 'read-tree', '--reset', '-u']
if not quiet:
cmd.append('-v')
cmd.append('HEAD')
if subprocess.Popen(cmd, cwd = cwd).wait() != 0:
raise CloneFailure()
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:
help = False
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 not a.startswith('-'):
cmd = a
arg = args[i + 1:]
break
return cmd, opt, arg
def _Usage():
_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
help Display detailed help on a command
For access to the full online help, install repo ("repo init").
""", file=sys.stderr)
sys.exit(1)
def _Help(args):
if args:
if args[0] == 'init':
init_optparse.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 _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
proc = subprocess.Popen([GIT,
'--git-dir=%s' % gitdir,
'symbolic-ref',
'HEAD'],
stdout = subprocess.PIPE,
stderr = subprocess.PIPE)
REPO_REV = proc.stdout.read().strip()
proc.stdout.close()
proc.stderr.read()
proc.stderr.close()
if proc.wait() != 0:
_print('fatal: %s has no current branch' % gitdir, file=sys.stderr)
sys.exit(1)
def main(orig_args):
repo_main, rel_repo_dir = _FindRepo()
cmd, opt, args = _ParseArguments(orig_args)
wrapper_path = os.path.abspath(__file__)
my_main, my_git = _RunSelf(wrapper_path)
if not repo_main:
if opt.help:
_Usage()
if cmd == 'help':
_Help(args)
if not cmd:
_NotInstalled()
if cmd == 'init':
if my_git:
_SetDefaultsTo(my_git)
try:
_Init(args)
except CloneFailure:
for root, dirs, files in os.walk(repodir, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
for name in dirs:
os.rmdir(os.path.join(root, name))
os.rmdir(repodir)
sys.exit(1)
repo_main, rel_repo_dir = _FindRepo()
else:
_NoCommands(cmd)
if my_main:
repo_main = my_main
ver_str = '.'.join(map(str, VERSION))
me = [repo_main,
'--repo-dir=%s' % rel_repo_dir,
'--wrapper-version=%s' % ver_str,
'--wrapper-path=%s' % wrapper_path,
'--']
me.extend(orig_args)
me.extend(extra_args)
try:
os.execv(repo_main, me)
except OSError as e:
_print("fatal: unable to start %s" % repo_main, file=sys.stderr)
_print("fatal: %s" % e, file=sys.stderr)
sys.exit(148)
if __name__ == '__main__':
main(sys.argv[1:])
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