/brz/remove-bazaar

# 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,

    osutils,

    )

try:

    from bzrlib.controldir import (

        ControlDirFormat,

        ControlDir,

        Prober,

        format_registry,

        )

except ImportError:

    # bzr < 2.3

    from bzrlib.bzrdir import (

        BzrDirFormat,

        BzrDir,

        format_registry,

        )

    ControlDir = BzrDir

    ControlDirFormat = BzrDirFormat

    Prober = object

    has_controldir = False

else:

    has_controldir = True

from bzrlib.foreign import (

    foreign_vcs_registry,

    )

from bzrlib.help_topics import (

    topic_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')))

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")

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 GitControlDirFormat(ControlDirFormat):

    _lock_class = TransportLock

    colocated_branches = True

    def __eq__(self, other):

        return type(self) == type(other)

    def is_supported(self):

        return True

    def network_name(self):

        return "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:

            if gitrepo.bare:

                return BareLocalGitControlDirFormat()

            else:

                return LocalGitControlDirFormat()

class LocalGitControlDirFormat(GitControlDirFormat):

    """The .git directory control format."""

    bare = False

    @classmethod

    def _known_formats(self):

        return set([LocalGitControlDirFormat()])

    def open(self, transport, _found=None):

        """Open this directory.

        """

        lazy_check_versions()

        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):

        prober = LocalGitProber()

        return prober.probe_transport(transport)

    def get_format_description(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

        path = transport.local_abspath(".").encode(osutils._fs_enc)

        if self.bare:

            Repo.init_bare(path)

        else:

            Repo.init(path)

        return self.open(transport)

    def is_supported(self):

        return True

class BareLocalGitControlDirFormat(LocalGitControlDirFormat):

    bare = True

    supports_workingtrees = False

    @classmethod

    def _known_formats(self):

        return set([RemoteGitControlDirFormat()])

    def get_format_description(self):

        return "Local Git Repository (bare)"

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

        if not isinstance(transport, GitSmartTransport):

            raise bzr_errors.NotBranchError(transport.base)

        return RemoteGitControlDirFormat()

class RemoteGitControlDirFormat(GitControlDirFormat):

    """The .git directory control format."""

    supports_workingtrees = False

    @classmethod

    def _known_formats(self):

        return set([RemoteGitControlDirFormat()])

    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/'."""

        prober = RemoteGitProber()

        return prober.probe_transport(transport)

    def get_format_description(self):

        return "Remote Git Repository"

    def initialize_on_transport(self, transport):

        raise bzr_errors.UninitializableFormat(self)

if has_controldir:

    ControlDirFormat.register_format(LocalGitControlDirFormat())

    ControlDirFormat.register_format(BareLocalGitControlDirFormat())

    ControlDirFormat.register_format(RemoteGitControlDirFormat())

    ControlDirFormat.register_prober(LocalGitProber)

    ControlDirFormat.register_prober(RemoteGitProber)

else:

    ControlDirFormat.register_control_format(LocalGitControlDirFormat)

    ControlDirFormat.register_control_format(BareLocalGitControlDirFormat)

    ControlDirFormat.register_control_format(RemoteGitControlDirFormat)

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)

RioVersionInfoBuilder.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')

try:

    from bzrlib.controldir import (

        network_format_registry as controldir_network_format_registry,

        )

except ImportError:

    from bzrlib.bzrdir import (

        network_format_registry as controldir_network_format_registry,

        )

controldir_network_format_registry.register('git', 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')

try:

    from bzrlib.diff import format_registry as diff_format_registry

except ImportError:

    pass

else:

    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()