/brz/remove-bazaar

# Copyright (C) 2007 Canonical Ltd

#

# 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

"""Converters, etc for going between Bazaar and Git ids."""

from bzrlib import errors, foreign

class BzrGitMapping(foreign.VcsMapping):

    """Class that maps between Git and Bazaar semantics."""

    experimental = False

    def revision_id_foreign_to_bzr(self, git_rev_id):

        """Convert a git revision id handle to a Bazaar revision id."""

        return "%s:%s" % (self.revid_prefix, git_rev_id)

    def revision_id_bzr_to_foreign(self, bzr_rev_id):

        """Convert a Bazaar revision id to a git revision id handle."""

        if not bzr_rev_id.startswith("%s:" % self.revid_prefix):

            raise errors.InvalidRevisionId(bzr_rev_id, self)

        return bzr_rev_id[len(self.revid_prefix)+1:]

    def show_foreign_revid(self, foreign_revid):

        return { "git commit": foreign_revid }

class BzrGitMappingExperimental(BzrGitMapping):

    revid_prefix = 'git-experimental'

    experimental = True

default_mapping = BzrGitMappingExperimental()