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# 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; version 3 of the License or
# (at your option) a 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
"""Darcs foreign branch support.
Currently only tells the user to use fastimport/fastexport.
"""
from __future__ import absolute_import
from breezy import (
controldir,
errors,
)
class DarcsDirFormat(controldir.ControlDirFormat):
"""Darcs directory format."""
def get_converter(self):
raise NotImplementedError(self.get_converter)
def get_format_description(self):
return "darcs control directory"
def initialize_on_transport(self, transport):
raise NotImplementedError(self.get_converter)
@classmethod
def _known_formats(self):
return set([DarcsDirFormat()])
def open(self, transport, _found=False):
"""Open this directory."""
raise errors.BzrCommandError(
'Darcs branches are not yet supported. '
'To convert darcs branches to Bazaar branches or vice versa, '
'use bzr-fastimport. See http://bazaar-vcs.org/BzrMigration.')
@classmethod
def probe_transport(klass, transport):
"""Our format is present if the transport has a '_darcs/' subdir."""
format = klass()
if transport.has('_darcs'):
return format
raise errors.NotBranchError(path=transport.base)
controldir.ControlDirFormat.register_control_format(DarcsDirFormat)
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