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# Copyright (C) 2008 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; version 2 of the License.
#
# 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
"""CVS working tree support for bzr.
Currently limited to referencing tools for migration.
"""
from __future__ import absolute_import
from ... import version_info # noqa: F401
from ... import (
controldir,
errors,
)
class CVSUnsupportedError(errors.UnsupportedFormatError):
_fmt = ("CVS working trees are not supported. To convert CVS projects to "
"bzr, please see http://bazaar-vcs.org/BzrMigration and/or "
"https://launchpad.net/launchpad-bazaar/+faq/26.")
class CVSDirFormat(controldir.ControlDirFormat):
"""The CVS directory control format."""
def get_converter(self):
raise NotImplementedError(self.get_converter)
def get_format_description(self):
return "CVS control directory."
def initialize_on_transport(self, transport):
raise errors.UninitializableFormat(self)
def is_supported(self):
return False
def supports_transport(self, transport):
return False
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
basedir=None):
raise CVSUnsupportedError(self)
def open(self, transport):
# Raise NotBranchError if there is nothing there
CVSProber().probe_transport(transport)
raise NotImplementedError(self.open)
class CVSProber(controldir.Prober):
@classmethod
def probe_transport(klass, transport):
# little ugly, but works
# try a manual probe first, its a little faster perhaps ?
if transport.has('CVS') and transport.has('CVS/Repository'):
return CVSDirFormat()
raise errors.NotBranchError(path=transport.base)
@classmethod
def known_formats(cls):
return [CVSDirFormat()]
controldir.ControlDirFormat.register_prober(CVSProber)
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