/brz/remove-bazaar

# Copyright (C) 2010 Jelmer Vernooij <jelmer@samba.org>

#

# 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 repository implementation that uses a Bazaar transport."""

from dulwich.errors import (

    NotGitRepository,

    )

from dulwich.repo import (

    BaseRepo,

    OBJECTDIR,

    REFSDIR,

    BASE_DIRECTORIES

    )

from bzrlib import (

    urlutils,

    )

from bzrlib.errors import (

    NoSuchFile,

    )

class TransportRepo(BaseRepo):

    def __init__(self, transport):

        super(TransportRepo, self).__init__()

        self.transport = transport

        if self.transport.has(urlutils.join(".git", OBJECTDIR)):

            self.bare = False

            self._controltransport = self.transport.clone('.git')

        elif (self.transport.has(OBJECTDIR) and

              self.transport.has(REFSDIR)):

            self.bare = True

            self._controltransport = self.transport

        else:

            raise NotGitRepository(self.transport)

        object_store = TransportObjectStore(

            self._controltransport.clone(OBJECTDIR))

        refs = TransportRefsContainer(self._controltransport)

        BaseRepo.__init__(self, object_store, refs)

    def get_named_file(self, path):

        """Get a file from the control dir with a specific name.

        Although the filename should be interpreted as a filename relative to

        the control dir in a disk-baked Repo, the object returned need not be

        pointing to a file in that location.

        :param path: The path to the file, relative to the control dir.

        :return: An open file object, or None if the file does not exist.

        """

        try:

            return self._controltransport.get(path.lstrip('/'))

        except NoSuchFile:

            return None

    def put_named_file(self, path, contents):

        self._controltransport.put_bytes(path.lstrip('/'), contents)

    def open_index(self):

        """Open the index for this repository."""

        raise NotImplementedError

    def __repr__(self):

        return "<TransportRepo for %r>" % self.transport

    @classmethod

    def init(cls, transport, mkdir=True):

        transport.mkdir('.git')

        controltransport = transport.clone('.git')

        cls.init_bare(controltransport)

        return cls(controltransport)

    @classmethod

    def init_bare(cls, transport, mkdir=True):

        for d in BASE_DIRECTORIES:

            transport.mkdir(urlutils.join(*d))

        ret = cls(transport)

        ret.refs.set_ref("HEAD", "refs/heads/master")

        ret.put_named_file('description', "Unnamed repository")

        ret.put_named_file('config', """[core]

    repositoryformatversion = 0

    filemode = true

    bare = false

    logallrefupdates = true

""")

        ret.put_named_file('info/excludes', '')

        return ret

    create = init_bare