mirror of
https://gerrit.googlesource.com/git-repo
synced 2024-12-21 07:16:21 +00:00
0048b69c03
This fixes the SSH Control Masters to be managed in a thread-safe fashion. This is important because "repo sync -jN" uses threads to sync more than one repository at the same time. The problem didn't show up earlier because it was masked if all of the threads tried to connect to the same host that was used on the "repo init" line.
237 lines
6.5 KiB
Python
Executable File
237 lines
6.5 KiB
Python
Executable File
#!/bin/sh
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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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magic='--calling-python-from-/bin/sh--'
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"""exec" python -E "$0" "$@" """#$magic"
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if __name__ == '__main__':
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import sys
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if sys.argv[-1] == '#%s' % magic:
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del sys.argv[-1]
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del magic
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import optparse
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import os
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import re
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import sys
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from trace import SetTrace
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from git_config import init_ssh, close_ssh
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from command import InteractiveCommand
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from command import MirrorSafeCommand
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from command import PagedCommand
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from editor import Editor
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from error import ManifestInvalidRevisionError
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from error import NoSuchProjectError
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from error import RepoChangedException
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from manifest_xml import XmlManifest
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from pager import RunPager
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from subcmds import all as all_commands
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global_options = optparse.OptionParser(
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usage="repo [-p|--paginate|--no-pager] COMMAND [ARGS]"
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)
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global_options.add_option('-p', '--paginate',
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dest='pager', action='store_true',
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help='display command output in the pager')
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global_options.add_option('--no-pager',
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dest='no_pager', action='store_true',
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help='disable the pager')
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global_options.add_option('--trace',
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dest='trace', action='store_true',
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help='trace git command execution')
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global_options.add_option('--version',
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dest='show_version', action='store_true',
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help='display this version of repo')
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class _Repo(object):
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def __init__(self, repodir):
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self.repodir = repodir
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self.commands = all_commands
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def _Run(self, argv):
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name = None
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glob = []
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for i in xrange(0, len(argv)):
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if not argv[i].startswith('-'):
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name = argv[i]
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if i > 0:
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glob = argv[:i]
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argv = argv[i + 1:]
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break
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if not name:
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glob = argv
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name = 'help'
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argv = []
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gopts, gargs = global_options.parse_args(glob)
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if gopts.trace:
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SetTrace()
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if gopts.show_version:
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if name == 'help':
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name = 'version'
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else:
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print >>sys.stderr, 'fatal: invalid usage of --version'
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sys.exit(1)
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try:
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cmd = self.commands[name]
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except KeyError:
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print >>sys.stderr,\
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"repo: '%s' is not a repo command. See 'repo help'."\
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% name
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sys.exit(1)
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cmd.repodir = self.repodir
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cmd.manifest = XmlManifest(cmd.repodir)
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Editor.globalConfig = cmd.manifest.globalConfig
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if not isinstance(cmd, MirrorSafeCommand) and cmd.manifest.IsMirror:
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print >>sys.stderr, \
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"fatal: '%s' requires a working directory"\
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% name
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sys.exit(1)
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copts, cargs = cmd.OptionParser.parse_args(argv)
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if not gopts.no_pager and not isinstance(cmd, InteractiveCommand):
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config = cmd.manifest.globalConfig
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if gopts.pager:
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use_pager = True
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else:
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use_pager = config.GetBoolean('pager.%s' % name)
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if use_pager is None:
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use_pager = cmd.WantPager(copts)
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if use_pager:
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RunPager(config)
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try:
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cmd.Execute(copts, cargs)
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except ManifestInvalidRevisionError, e:
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print >>sys.stderr, 'error: %s' % str(e)
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sys.exit(1)
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except NoSuchProjectError, e:
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if e.name:
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print >>sys.stderr, 'error: project %s not found' % e.name
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else:
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print >>sys.stderr, 'error: no project in current directory'
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sys.exit(1)
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def _MyWrapperPath():
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return os.path.join(os.path.dirname(__file__), 'repo')
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def _CurrentWrapperVersion():
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VERSION = None
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pat = re.compile(r'^VERSION *=')
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fd = open(_MyWrapperPath())
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for line in fd:
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if pat.match(line):
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fd.close()
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exec line
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return VERSION
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raise NameError, 'No VERSION in repo script'
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def _CheckWrapperVersion(ver, repo_path):
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if not repo_path:
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repo_path = '~/bin/repo'
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if not ver:
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print >>sys.stderr, 'no --wrapper-version argument'
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sys.exit(1)
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exp = _CurrentWrapperVersion()
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ver = tuple(map(lambda x: int(x), ver.split('.')))
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if len(ver) == 1:
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ver = (0, ver[0])
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if exp[0] > ver[0] or ver < (0, 4):
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exp_str = '.'.join(map(lambda x: str(x), exp))
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print >>sys.stderr, """
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!!! A new repo command (%5s) is available. !!!
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!!! You must upgrade before you can continue: !!!
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cp %s %s
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""" % (exp_str, _MyWrapperPath(), repo_path)
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sys.exit(1)
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if exp > ver:
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exp_str = '.'.join(map(lambda x: str(x), exp))
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print >>sys.stderr, """
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... A new repo command (%5s) is available.
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... You should upgrade soon:
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cp %s %s
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""" % (exp_str, _MyWrapperPath(), repo_path)
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def _CheckRepoDir(dir):
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if not dir:
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print >>sys.stderr, 'no --repo-dir argument'
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sys.exit(1)
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def _PruneOptions(argv, opt):
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i = 0
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while i < len(argv):
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a = argv[i]
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if a == '--':
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break
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if a.startswith('--'):
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eq = a.find('=')
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if eq > 0:
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a = a[0:eq]
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if not opt.has_option(a):
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del argv[i]
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continue
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i += 1
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def _Main(argv):
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opt = optparse.OptionParser(usage="repo wrapperinfo -- ...")
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opt.add_option("--repo-dir", dest="repodir",
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help="path to .repo/")
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opt.add_option("--wrapper-version", dest="wrapper_version",
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help="version of the wrapper script")
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opt.add_option("--wrapper-path", dest="wrapper_path",
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help="location of the wrapper script")
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_PruneOptions(argv, opt)
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opt, argv = opt.parse_args(argv)
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_CheckWrapperVersion(opt.wrapper_version, opt.wrapper_path)
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_CheckRepoDir(opt.repodir)
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repo = _Repo(opt.repodir)
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try:
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try:
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init_ssh()
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repo._Run(argv)
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finally:
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close_ssh()
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except KeyboardInterrupt:
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sys.exit(1)
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except RepoChangedException, rce:
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# If repo changed, re-exec ourselves.
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#
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argv = list(sys.argv)
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argv.extend(rce.extra_args)
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try:
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os.execv(__file__, argv)
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except OSError, e:
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print >>sys.stderr, 'fatal: cannot restart repo after upgrade'
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print >>sys.stderr, 'fatal: %s' % e
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sys.exit(128)
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if __name__ == '__main__':
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_Main(sys.argv[1:])
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