/brz/remove-bazaar

# Copyright (C) 2009 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 3 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

"""Custom revision specifier for Subversion."""

from bzrlib.errors import BzrError, InvalidRevisionSpec, NoSuchRevision

from bzrlib.revisionspec import RevisionSpec, RevisionInfo

from bzrlib.plugins.git import lazy_check_versions

class RevisionSpec_git(RevisionSpec):

    """Selects a revision using a Subversion revision number."""

    help_txt = """Selects a revision using a Git revision sha1.

    """

    prefix = 'git:'

    def _match_on(self, branch, revs):

        lazy_check_versions()

        loc = self.spec.find(':')

        git_sha1 = self.spec[loc+1:].encode("utf-8")

        bzr_revid = branch.mapping.revision_id_foreign_to_bzr(git_sha1)

        if branch.repository.has_revision(bzr_revid):

            history = list(branch.repository.iter_reverse_revision_history(bzr_revid))

            history.reverse()

            return RevisionInfo.from_revision_id(branch, bzr_revid, history)

        raise InvalidRevisionSpec(self.user_spec, branch)

    def needs_branch(self):

        return True

    def get_branch(self):

        return None