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# Copyright (C) 2006-2009 Canonical Ltd
 
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# Authors: Robert Collins <robert.collins@canonical.com>
 
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#          Jelmer Vernooij <jelmer@samba.org>
 
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#          John Carr <john.carr@unrouted.co.uk>
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""A GIT branch and repository format implementation for bzr."""
 
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    bzr_compatible_versions,
 
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    bzr_plugin_version as version_info,
 
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    dulwich_minimum_version,
 
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if version_info[3] == 'final':
 
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    version_string = '%d.%d.%d' % version_info[:3]
 
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    version_string = '%d.%d.%d%s%d' % version_info
 
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__version__ = version_string
 
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bzrlib.api.require_any_api(bzrlib, bzr_compatible_versions)
 
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    from bzrlib.controldir import (
 
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    from bzrlib.bzrdir import (
 
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    ControlDirFormat = BzrDirFormat
 
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    has_controldir = False
 
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from bzrlib.foreign import (
 
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from bzrlib.help_topics import (
 
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from bzrlib.lockable_files import (
 
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from bzrlib.transport import (
 
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    register_lazy_transport,
 
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    register_transport_proto,
 
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from bzrlib.commands import (
 
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from bzrlib.version_info_formats.format_rio import (
 
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    RioVersionInfoBuilder,
 
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from bzrlib.send import (
 
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    format_registry as send_format_registry,
 
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if getattr(sys, "frozen", None):
 
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    # allow import additional libs from ./_lib for bzr.exe only
 
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    sys.path.append(os.path.normpath(
 
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        os.path.join(os.path.dirname(__file__), '_lib')))
 
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def import_dulwich():
 
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        from dulwich import __version__ as dulwich_version
 
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        raise bzr_errors.DependencyNotPresent("dulwich",
 
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            "bzr-git: Please install dulwich, https://launchpad.net/dulwich")
 
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        if dulwich_version < dulwich_minimum_version:
 
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            raise bzr_errors.DependencyNotPresent("dulwich",
 
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                "bzr-git: Dulwich is too old; at least %d.%d.%d is required" %
 
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                    dulwich_minimum_version)
 
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_versions_checked = False
 
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def lazy_check_versions():
 
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    global _versions_checked
 
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    if _versions_checked:
 
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    _versions_checked = True
 
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format_registry.register_lazy('git',
 
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    "bzrlib.plugins.git.dir", "LocalGitControlDirFormat",
 
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    help='GIT repository.', native=False, experimental=False,
 
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format_registry.register_lazy('git-bare',
 
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    "bzrlib.plugins.git.dir", "BareLocalGitControlDirFormat",
 
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    help='Bare GIT repository (no working tree).', native=False,
 
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from bzrlib.revisionspec import revspec_registry
 
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revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
 
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    from bzrlib.revisionspec import dwim_revspecs
 
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    from bzrlib.plugins.git.revspec import RevisionSpec_git
 
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    dwim_revspecs.append(RevisionSpec_git)
 
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class GitControlDirFormat(ControlDirFormat):
 
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    _lock_class = TransportLock
 
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    colocated_branches = True
 
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    def __eq__(self, other):
 
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        return type(self) == type(other)
 
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    def is_supported(self):
 
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    def network_name(self):
 
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class LocalGitProber(Prober):
 
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    def probe_transport(self, transport):
 
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            if not transport.has_any(['info/refs', '.git/branches',
 
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                raise bzr_errors.NotBranchError(path=transport.base)
 
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        except bzr_errors.NoSuchFile:
 
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            raise bzr_errors.NotBranchError(path=transport.base)
 
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        from bzrlib import urlutils
 
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        if urlutils.split(transport.base)[1] == ".git":
 
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            raise bzr_errors.NotBranchError(path=transport.base)
 
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        lazy_check_versions()
 
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        from bzrlib.plugins.git.transportgit import TransportRepo
 
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            gitrepo = TransportRepo(transport)
 
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        except dulwich.errors.NotGitRepository, e:
 
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            raise bzr_errors.NotBranchError(path=transport.base)
 
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                return BareLocalGitControlDirFormat()
 
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                return LocalGitControlDirFormat()
 
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class LocalGitControlDirFormat(GitControlDirFormat):
 
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    """The .git directory control format."""
 
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    def _known_formats(self):
 
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        return set([LocalGitControlDirFormat()])
 
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    def open(self, transport, _found=None):
 
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        """Open this directory.
 
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        lazy_check_versions()
 
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        from bzrlib.plugins.git.transportgit import TransportRepo
 
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        gitrepo = TransportRepo(transport)
 
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        from bzrlib.plugins.git.dir import LocalGitDir, GitLockableFiles, GitLock
 
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        lockfiles = GitLockableFiles(transport, GitLock())
 
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        return LocalGitDir(transport, lockfiles, gitrepo, self)
 
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    def probe_transport(klass, transport):
 
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        prober = LocalGitProber()
 
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        return prober.probe_transport(transport)
 
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    def get_format_description(self):
 
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        return "Local Git Repository"
 
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    def initialize_on_transport(self, transport):
 
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        from bzrlib.transport.local import LocalTransport
 
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        if not isinstance(transport, LocalTransport):
 
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            raise NotImplementedError(self.initialize,
 
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                "Can't create Git Repositories/branches on "
 
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                "non-local transports")
 
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        lazy_check_versions()
 
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        from dulwich.repo import Repo
 
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        Repo.init(transport.local_abspath(".").encode(osutils._fs_enc),
 
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        return self.open(transport)
 
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    def is_supported(self):
 
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class BareLocalGitControlDirFormat(LocalGitControlDirFormat):
 
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    supports_workingtrees = False
 
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    def _known_formats(self):
 
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        return set([RemoteGitControlDirFormat()])
 
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    def get_format_description(self):
 
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        return "Local Git Repository (bare)"
 
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class RemoteGitProber(Prober):
 
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    def probe_transport(self, transport):
 
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        if url.startswith('readonly+'):
 
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            url = url[len('readonly+'):]
 
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        if (not url.startswith("git://") and not url.startswith("git+")):
 
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            raise bzr_errors.NotBranchError(transport.base)
 
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        # little ugly, but works
 
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        from bzrlib.plugins.git.remote import GitSmartTransport
 
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        if not isinstance(transport, GitSmartTransport):
 
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            raise bzr_errors.NotBranchError(transport.base)
 
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        return RemoteGitControlDirFormat()
 
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class RemoteGitControlDirFormat(GitControlDirFormat):
 
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    """The .git directory control format."""
 
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    supports_workingtrees = False
 
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    def _known_formats(self):
 
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        return set([RemoteGitControlDirFormat()])
 
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    def open(self, transport, _found=None):
 
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        """Open this directory.
 
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        # we dont grok readonly - git isn't integrated with transport.
 
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        if url.startswith('readonly+'):
 
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            url = url[len('readonly+'):]
 
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        if (not url.startswith("git://") and not url.startswith("git+")):
 
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            raise bzr_errors.NotBranchError(transport.base)
 
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        from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
 
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        if not isinstance(transport, GitSmartTransport):
 
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            raise bzr_errors.NotBranchError(transport.base)
 
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        from bzrlib.plugins.git.dir import GitLockableFiles, GitLock
 
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        lockfiles = GitLockableFiles(transport, GitLock())
 
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        return RemoteGitDir(transport, lockfiles, self)
 
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    def probe_transport(klass, transport):
 
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        """Our format is present if the transport ends in '.not/'."""
 
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        prober = RemoteGitProber()
 
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        return prober.probe_transport(transport)
 
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    def get_format_description(self):
 
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        return "Remote Git Repository"
 
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    def initialize_on_transport(self, transport):
 
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        raise bzr_errors.UninitializableFormat(self)
 
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    ControlDirFormat.register_format(LocalGitControlDirFormat())
 
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    ControlDirFormat.register_format(BareLocalGitControlDirFormat())
 
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    ControlDirFormat.register_format(RemoteGitControlDirFormat())
 
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    ControlDirFormat.register_prober(LocalGitProber)
 
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    ControlDirFormat.register_prober(RemoteGitProber)
 
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    ControlDirFormat.register_control_format(LocalGitControlDirFormat)
 
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    ControlDirFormat.register_control_format(BareLocalGitControlDirFormat)
 
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    ControlDirFormat.register_control_format(RemoteGitControlDirFormat)
 
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register_transport_proto('git://',
 
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        help="Access using the Git smart server protocol.")
 
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register_transport_proto('git+ssh://',
 
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        help="Access using the Git smart server protocol over SSH.")
 
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register_lazy_transport("git://", 'bzrlib.plugins.git.remote',
 
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                        'TCPGitSmartTransport')
 
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register_lazy_transport("git+ssh://", 'bzrlib.plugins.git.remote',
 
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                        'SSHGitSmartTransport')
 
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foreign_vcs_registry.register_lazy("git",
 
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    "bzrlib.plugins.git.mapping", "foreign_git", "Stupid content tracker")
 
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plugin_cmds.register_lazy("cmd_git_import", [], "bzrlib.plugins.git.commands")
 
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plugin_cmds.register_lazy("cmd_git_object", ["git-objects", "git-cat"],
 
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    "bzrlib.plugins.git.commands")
 
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plugin_cmds.register_lazy("cmd_git_refs", [], "bzrlib.plugins.git.commands")
 
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plugin_cmds.register_lazy("cmd_git_apply", [], "bzrlib.plugins.git.commands")
 
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def update_stanza(rev, stanza):
 
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    mapping = getattr(rev, "mapping", None)
 
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    if mapping is not None and mapping.revid_prefix.startswith("git-"):
 
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        stanza.add("git-commit", rev.foreign_revid)
 
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rio_hooks = getattr(RioVersionInfoBuilder, "hooks", None)
 
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if rio_hooks is not None:
 
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    rio_hooks.install_named_hook('revision', update_stanza, None)
 
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from bzrlib.transport import transport_server_registry
 
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transport_server_registry.register_lazy('git',
 
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    'bzrlib.plugins.git.server',
 
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    'Git Smart server protocol over TCP. (default port: 9418)')
 
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from bzrlib.repository import (
 
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    network_format_registry as repository_network_format_registry,
 
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repository_network_format_registry.register_lazy('git',
 
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    'bzrlib.plugins.git.repository', 'GitRepositoryFormat')
 
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    from bzrlib.controldir import (
 
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        network_format_registry as controldir_network_format_registry,
 
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    from bzrlib.bzrdir import (
 
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        network_format_registry as controldir_network_format_registry,
 
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controldir_network_format_registry.register('git', GitControlDirFormat)
 
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send_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
 
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                                   'send_git', 'Git am-style diff format')
 
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topic_registry.register_lazy('git',
 
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                             'bzrlib.plugins.git.help',
 
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                             'help_git', 'Using Bazaar with Git')
 
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    from bzrlib.diff import format_registry as diff_format_registry
 
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    diff_format_registry.register_lazy('git', 'bzrlib.plugins.git.send',
 
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        'GitDiffTree', 'Git am-style diff format')
 
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    from bzrlib.plugins.git import tests
 
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    return tests.test_suite()