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# Copyright (C) 2006-2009 Canonical Ltd
# Authors: Robert Collins <robert.collins@canonical.com>
# Jelmer Vernooij <jelmer@samba.org>
# John Carr <john.carr@unrouted.co.uk>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""A GIT branch and repository format implementation for bzr."""
import os
import sys
import bzrlib
import bzrlib.api
from info import (
bzr_compatible_versions,
bzr_plugin_version as version_info,
dulwich_minimum_version,
)
if version_info[3] == 'final':
version_string = '%d.%d.%d' % version_info[:3]
else:
version_string = '%d.%d.%d%s%d' % version_info
__version__ = version_string
bzrlib.api.require_any_api(bzrlib, bzr_compatible_versions)
from bzrlib import (
errors as bzr_errors,
)
from bzrlib.controldir import (
ControlDirFormat,
Prober,
format_registry,
network_format_registry as controldir_network_format_registry,
)
from bzrlib.foreign import (
foreign_vcs_registry,
)
from bzrlib.help_topics import (
topic_registry,
)
from bzrlib.transport import (
register_lazy_transport,
register_transport_proto,
)
from bzrlib.commands import (
plugin_cmds,
)
from bzrlib.send import (
format_registry as send_format_registry,
)
if getattr(sys, "frozen", None):
# allow import additional libs from ./_lib for bzr.exe only
sys.path.append(os.path.normpath(
os.path.join(os.path.dirname(__file__), '_lib')))
def import_dulwich():
try:
from dulwich import __version__ as dulwich_version
except ImportError:
raise bzr_errors.DependencyNotPresent("dulwich",
"bzr-git: Please install dulwich, https://launchpad.net/dulwich")
else:
if dulwich_version < dulwich_minimum_version:
raise bzr_errors.DependencyNotPresent("dulwich",
"bzr-git: Dulwich is too old; at least %d.%d.%d is required" %
dulwich_minimum_version)
_versions_checked = False
def lazy_check_versions():
global _versions_checked
if _versions_checked:
return
import_dulwich()
_versions_checked = True
format_registry.register_lazy('git',
"bzrlib.plugins.git.dir", "LocalGitControlDirFormat",
help='GIT repository.', native=False, experimental=False,
)
format_registry.register_lazy('git-bare',
"bzrlib.plugins.git.dir", "BareLocalGitControlDirFormat",
help='Bare GIT repository (no working tree).', native=False,
experimental=False,
)
from bzrlib.revisionspec import revspec_registry
revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
"RevisionSpec_git")
from bzrlib.revisionspec import dwim_revspecs, RevisionSpec_dwim
if getattr(RevisionSpec_dwim, "append_possible_lazy_revspec", None):
RevisionSpec_dwim.append_possible_lazy_revspec(
"bzrlib.plugins.git.revspec", "RevisionSpec_git")
else: # bzr < 2.4
from bzrlib.plugins.git.revspec import RevisionSpec_git
dwim_revspecs.append(RevisionSpec_git)
class LocalGitProber(Prober):
def probe_transport(self, transport):
try:
if not transport.has_any(['info/refs', '.git/branches',
'branches']):
raise bzr_errors.NotBranchError(path=transport.base)
except bzr_errors.NoSuchFile:
raise bzr_errors.NotBranchError(path=transport.base)
from bzrlib import urlutils
if urlutils.split(transport.base)[1] == ".git":
raise bzr_errors.NotBranchError(path=transport.base)
lazy_check_versions()
import dulwich
from bzrlib.plugins.git.transportgit import TransportRepo
try:
gitrepo = TransportRepo(transport)
except dulwich.errors.NotGitRepository, e:
raise bzr_errors.NotBranchError(path=transport.base)
else:
from bzrlib.plugins.git.dir import (
BareLocalGitControlDirFormat,
LocalGitControlDirFormat,
)
if gitrepo.bare:
return BareLocalGitControlDirFormat()
else:
return LocalGitControlDirFormat()
@classmethod
def known_formats(cls):
from bzrlib.plugins.git.dir import (
BareLocalGitControlDirFormat,
LocalGitControlDirFormat,
)
return set([BareLocalGitControlDirFormat(), LocalGitControlDirFormat()])
class RemoteGitProber(Prober):
def probe_transport(self, transport):
url = transport.base
if url.startswith('readonly+'):
url = url[len('readonly+'):]
if (not url.startswith("git://") and not url.startswith("git+")):
raise bzr_errors.NotBranchError(transport.base)
# little ugly, but works
from bzrlib.plugins.git.remote import (
GitSmartTransport,
RemoteGitControlDirFormat,
)
if not isinstance(transport, GitSmartTransport):
raise bzr_errors.NotBranchError(transport.base)
return RemoteGitControlDirFormat()
@classmethod
def known_formats(cls):
from bzrlib.plugins.git.remote import RemoteGitControlDirFormat
return set([RemoteGitControlDirFormat()])
if not getattr(Prober, "known_formats", None): # bzr < 2.4
from bzrlib.plugins.git.dir import (
LocalGitControlDirFormat, BareLocalGitControlDirFormat,
)
from bzrlib.plugins.git.remote import RemoteGitControlDirFormat
ControlDirFormat.register_format(LocalGitControlDirFormat())
ControlDirFormat.register_format(BareLocalGitControlDirFormat())
ControlDirFormat.register_format(RemoteGitControlDirFormat())
ControlDirFormat.register_prober(LocalGitProber)
ControlDirFormat.register_prober(RemoteGitProber)
register_transport_proto('git://',
help="Access using the Git smart server protocol.")
register_transport_proto('git+ssh://',
help="Access using the Git smart server protocol over SSH.")
register_lazy_transport("git://", 'bzrlib.plugins.git.remote',
'TCPGitSmartTransport')
register_lazy_transport("git+ssh://", 'bzrlib.plugins.git.remote',
'SSHGitSmartTransport')
foreign_vcs_registry.register_lazy("git",
"bzrlib.plugins.git.mapping", "foreign_git", "Stupid content tracker")
plugin_cmds.register_lazy("cmd_git_import", [], "bzrlib.plugins.git.commands")
plugin_cmds.register_lazy("cmd_git_object", ["git-objects", "git-cat"],
"bzrlib.plugins.git.commands")
plugin_cmds.register_lazy("cmd_git_refs", [], "bzrlib.plugins.git.commands")
plugin_cmds.register_lazy("cmd_git_apply", [], "bzrlib.plugins.git.commands")
def update_stanza(rev, stanza):
mapping = getattr(rev, "mapping", None)
if mapping is not None and mapping.revid_prefix.startswith("git-"):
stanza.add("git-commit", rev.foreign_revid)
try:
from bzrlib.hooks import install_lazy_named_hook
except ImportError: # Compatibility with bzr < 2.4
from bzrlib.version_info_formats.format_rio import (
RioVersionInfoBuilder,
)
RioVersionInfoBuilder.hooks.install_named_hook('revision', update_stanza,
"git commits")
else:
install_lazy_named_hook("bzrlib.version_info_formats.format_rio",
"RioVersionInfoBuilder.hooks", "revision", update_stanza,
"git commits")
from bzrlib.transport import transport_server_registry
transport_server_registry.register_lazy('git',
'bzrlib.plugins.git.server',
'serve_git',
'Git Smart server protocol over TCP. (default port: 9418)')
from bzrlib.repository import (
format_registry as repository_format_registry,
network_format_registry as repository_network_format_registry,
)
repository_network_format_registry.register_lazy('git',
'bzrlib.plugins.git.repository', 'GitRepositoryFormat')
try:
register_extra_lazy_repository_format = getattr(repository_format_registry,
"register_extra_lazy")
except AttributeError: # bzr < 2.4
pass
else:
register_extra_lazy_repository_format('bzrlib.plugins.git.repository',
'GitRepositoryFormat')
from bzrlib.branch import (
network_format_registry as branch_network_format_registry,
)
branch_network_format_registry.register_lazy('git',
'bzrlib.plugins.git.branch', 'GitBranchFormat')
try:
from bzrlib.branch import (
format_registry as branch_format_registry,
)
except ImportError: # bzr < 2.4
pass
else:
branch_format_registry.register_extra_lazy(
'bzrlib.plugins.git.branch',
'GitBranchFormat',
)
try:
from bzrlib.workingtree import (
format_registry as workingtree_format_registry,
)
except ImportError: # bzr < 2.4
pass
else:
workingtree_format_registry.register_extra_lazy(
'bzrlib.plugins.git.workingtree',
'GitWorkingTreeFormat',
)
controldir_network_format_registry.register_lazy('git',
"bzrlib.plugins.git.dir", "GitControlDirFormat")
send_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
'send_git', 'Git am-style diff format')
topic_registry.register_lazy('git', 'bzrlib.plugins.git.help', 'help_git',
'Using Bazaar with Git')
from bzrlib.diff import format_registry as diff_format_registry
diff_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
'GitDiffTree', 'Git am-style diff format')
def test_suite():
from bzrlib.plugins.git import tests
return tests.test_suite()
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