/brz/remove-bazaar

# Copyright (C) 2006 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."""

from bzrlib import bzrdir

from bzrlib.foreign import foreign_vcs_registry

from bzrlib.transport import register_lazy_transport

from bzrlib.commands import Command, register_command

from bzrlib.option import Option

from bzrlib.trace import warning

MINIMUM_DULWICH_VERSION = (0, 1, 0)

try:

    from dulwich import __version__ as dulwich_version

except ImportError:

    warning("Please install dulwich, https://launchpad.net/dulwich")

    raise

else:

    if dulwich_version < MINIMUM_DULWICH_VERSION:

        warning("Dulwich is too old; at least %d.%d.%d is required" % MINIMUM_DULWICH_VERSION)

        raise ImportError

from bzrlib.plugins.git.dir import LocalGitBzrDirFormat, RemoteGitBzrDirFormat

bzrdir.format_registry.register(

    'git', LocalGitBzrDirFormat,

    help='GIT repository.', 

    native=False, experimental=True,

    )

bzrdir.BzrDirFormat.register_control_format(LocalGitBzrDirFormat)

bzrdir.BzrDirFormat.register_control_format(RemoteGitBzrDirFormat)

register_lazy_transport("git://", 'bzrlib.plugins.git.remote',

                        'GitSmartTransport')

foreign_vcs_registry.register_lazy("git", 

                        "bzrlib.plugins.git.mapping", 

                        "foreign_git",

                        "Stupid content tracker")

class cmd_git_serve(Command):

    """Provide access to a Bazaar branch using the git protocol.

    This command is experimental and doesn't do much yet.

    """

    takes_options = [

        Option('directory',

               help='serve contents of directory',

               type=unicode)

    ]

    def run(self, directory=None):

        from dulwich.server import TCPGitServer

        from bzrlib.plugins.git.server import BzrBackend

        from bzrlib.trace import warning

        import os

        warning("server support in bzr-git is experimental.")

        if directory is None:

            directory = os.getcwd()

        backend = BzrBackend(directory)

        server = TCPGitServer(backend, 'localhost')

        server.serve_forever()

register_command(cmd_git_serve)

class cmd_git_import(Command):

    """Import all branches from a git repository.

    """

    takes_args = ["src_location", "dest_location"]

    def run(self, src_location, dest_location):

        from bzrlib.bzrdir import BzrDir, format_registry

        from bzrlib.errors import NoRepositoryPresent, NotBranchError

        from bzrlib.repository import Repository

        source_repo = Repository.open(src_location)

        format = format_registry.make_bzrdir('rich-root-pack')

        try:

            target_bzrdir = BzrDir.open(dest_location)

        except NotBranchError:

            target_bzrdir = BzrDir.create(dest_location, format=format)

        try:

            target_repo = target_bzrdir.open_repository()

        except NoRepositoryPresent:

            target_repo = target_bzrdir.create_repository(shared=True)

        target_repo.fetch(source_repo)

        for name, ref in source_repo._git.heads().iteritems():

            head_loc = os.path.join(dest_location, name)

            try:

                head_bzrdir = BzrDir.open(head_loc)

            except NotBranchError:

                head_bzrdir = BzrDir.create(head_loc, format=format)

            try:

                head_branch = head_bzrdir.open_branch()

            except NotBranchError:

                head_branch = head_bzrdir.create_branch()

            head_branch.generate_revision_history(source_repo.get_mapping().revision_id_foreign_to_bzr(ref))

register_command(cmd_git_import)

def test_suite():

    from bzrlib.plugins.git import tests

    return tests.test_suite()