/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

"""Git-specific subcommands for Bazaar."""

from bzrlib.commands import Command

from bzrlib.option import Option

from bzrlib.plugins.git import get_rich_root_format

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):

        lazy_check_versions()

        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()

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=None):

        import os

        from bzrlib import (

            ui,

            urlutils,

            )

        from bzrlib.bzrdir import (

            BzrDir,

            format_registry,

            )

        from bzrlib.errors import (

            BzrCommandError,

            NoRepositoryPresent,

            NotBranchError,

            )

        from bzrlib.repository import Repository

        from bzrlib.plugins.git.branch import GitBranch

        from bzrlib.plugins.git.fetch import InterGitNonGitRepository

        from bzrlib.plugins.git.repository import GitRepository

        if dest_location is None:

            dest_location = os.path.basename(src_location.rstrip("/\\"))

        source_repo = Repository.open(src_location)

        if not isinstance(source_repo, GitRepository):

            raise BzrCommandError("%r is not a git repository" % src_location)

        format = get_rich_root_format()

        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)

        interrepo = InterGitNonGitRepository(source_repo, target_repo)

        mapping = source_repo.get_mapping()

        refs = interrepo.fetch_refs()

        pb = ui.ui_factory.nested_progress_bar()

        try:

            for i, (name, ref) in enumerate(refs.iteritems()):

                if name.startswith("refs/tags/"):

                    continue

                pb.update("creating branches", i, len(refs))

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

                try:

                    head_bzrdir = BzrDir.open(head_loc)

                except NotBranchError:

                    parent_path = urlutils.dirname(head_loc)

                    if not os.path.isdir(parent_path):

                        os.makedirs(parent_path)

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

                try:

                    head_branch = head_bzrdir.open_branch()

                except NotBranchError:

                    head_branch = head_bzrdir.create_branch()

                revid = mapping.revision_id_foreign_to_bzr(ref)

                source_branch = GitBranch(source_repo.bzrdir, source_repo, 

                    name, ref, None)

                head_branch.generate_revision_history(revid)

                source_branch.tags.merge_to(head_branch.tags)

        finally:

            pb.finished()