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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 (
bzrdir,
errors as bzr_errors,
osutils,
)
from bzrlib.foreign import (
foreign_vcs_registry,
)
from bzrlib.lockable_files import (
TransportLock,
)
from bzrlib.transport import (
register_lazy_transport,
register_transport_proto,
)
from bzrlib.commands import (
plugin_cmds,
)
from bzrlib.version_info_formats.format_rio import (
RioVersionInfoBuilder,
)
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')))
_versions_checked = False
def lazy_check_versions():
global _versions_checked
if _versions_checked:
return
_versions_checked = True
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)
bzrdir.format_registry.register_lazy('git',
"bzrlib.plugins.git.dir", "LocalGitBzrDirFormat",
help='GIT repository.', native=False, experimental=True,
)
from bzrlib.revisionspec import revspec_registry
revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
"RevisionSpec_git")
try:
from bzrlib.revisionspec import dwim_revspecs
except ImportError:
pass
else:
from bzrlib.plugins.git.revspec import RevisionSpec_git
dwim_revspecs.append(RevisionSpec_git)
class GitBzrDirFormat(bzrdir.BzrDirFormat):
_lock_class = TransportLock
def is_supported(self):
return True
def network_name(self):
return "git"
class LocalGitBzrDirFormat(GitBzrDirFormat):
"""The .git directory control format."""
@classmethod
def _known_formats(self):
return set([LocalGitBzrDirFormat()])
def open(self, transport, _found=None):
"""Open this directory.
"""
lazy_check_versions()
# we dont grok readonly - git isn't integrated with transport.
from bzrlib.transport.local import LocalTransport
if isinstance(transport, LocalTransport):
import dulwich
gitrepo = dulwich.repo.Repo(transport.local_abspath(".").encode(osutils._fs_enc))
else:
from bzrlib.plugins.git.transportgit import TransportRepo
gitrepo = TransportRepo(transport)
from bzrlib.plugins.git.dir import LocalGitDir, GitLockableFiles, GitLock
lockfiles = GitLockableFiles(transport, GitLock())
return LocalGitDir(transport, lockfiles, gitrepo, self)
@classmethod
def probe_transport(klass, transport):
try:
if not (transport.has('info/refs') or transport.has('.git/branches') or
transport.has('branches')):
raise bzr_errors.NotBranchError(path=transport.base)
except bzr_errors.NoSuchFile:
raise bzr_errors.NotBranchError(path=transport.base)
lazy_check_versions()
import dulwich
format = klass()
try:
format.open(transport)
return format
except dulwich.errors.NotGitRepository, e:
raise bzr_errors.NotBranchError(path=transport.base)
raise bzr_errors.NotBranchError(path=transport.base)
def get_format_description(self):
return "Local Git Repository"
def get_format_string(self):
return "Local Git Repository"
def initialize_on_transport(self, transport):
from bzrlib.transport.local import LocalTransport
if not isinstance(transport, LocalTransport):
raise NotImplementedError(self.initialize,
"Can't create Git Repositories/branches on "
"non-local transports")
lazy_check_versions()
from dulwich.repo import Repo
Repo.create(transport.local_abspath(".").encode(osutils._fs_enc))
return self.open(transport)
def is_supported(self):
return True
class RemoteGitBzrDirFormat(GitBzrDirFormat):
"""The .git directory control format."""
@classmethod
def _known_formats(self):
return set([RemoteGitBzrDirFormat()])
def open(self, transport, _found=None):
"""Open this directory.
"""
# we dont grok readonly - git isn't integrated with 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)
from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
if not isinstance(transport, GitSmartTransport):
raise bzr_errors.NotBranchError(transport.base)
from bzrlib.plugins.git.dir import GitLockableFiles, GitLock
lockfiles = GitLockableFiles(transport, GitLock())
return RemoteGitDir(transport, lockfiles, self)
@classmethod
def probe_transport(klass, transport):
"""Our format is present if the transport ends in '.not/'."""
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
format = klass()
from bzrlib.plugins.git.remote import GitSmartTransport
if not isinstance(transport, GitSmartTransport):
raise bzr_errors.NotBranchError(transport.base)
return format
def get_format_description(self):
return "Remote Git Repository"
def get_format_string(self):
return "Remote Git Repository"
def initialize_on_transport(self, transport):
raise bzr_errors.UninitializableFormat(self)
bzrdir.BzrDirFormat.register_control_format(LocalGitBzrDirFormat)
bzrdir.BzrDirFormat.register_control_format(RemoteGitBzrDirFormat)
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")
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)
rio_hooks = getattr(RioVersionInfoBuilder, "hooks", None)
if rio_hooks is not None:
rio_hooks.install_named_hook('revision', update_stanza, None)
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 network_format_registry as repository_network_format_registry
repository_network_format_registry.register_lazy('git',
'bzrlib.plugins.git.repository', 'GitRepositoryFormat')
from bzrlib.bzrdir import network_format_registry as bzrdir_network_format_registry
bzrdir_network_format_registry.register('git', GitBzrDirFormat)
def get_rich_root_format(stacked=False):
if stacked:
return bzrdir.format_registry.make_bzrdir("1.9-rich-root")
else:
return bzrdir.format_registry.make_bzrdir("default-rich-root")
send_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
'send_git', 'Git am-style diff format')
def test_suite():
from bzrlib.plugins.git import tests
return tests.test_suite()
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