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# Copyright (C) 2019 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
"""Fossil foreign branch support.
Currently only tells the user that Fossil is not supported.
"""
from ... import version_info # noqa: F401
from ... import (
controldir,
errors,
)
class FossilUnsupportedError(errors.UnsupportedFormatError):
_fmt = ('Fossil branches are not yet supported. '
'To convert Fossil branches to Bazaar branches or vice versa, '
'use fastimport.')
class FossilDirFormat(controldir.ControlDirFormat):
"""Fossil directory format."""
def get_converter(self):
raise NotImplementedError(self.get_converter)
def get_format_description(self):
return "Fossil 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 FossilUnsupportedError()
def open(self, transport):
# Raise NotBranchError if there is nothing there
RemoteFossilProber().probe_transport(transport)
raise NotImplementedError(self.open)
class RemoteFossilProber(controldir.Prober):
@classmethod
def priority(klass, transport):
return 95
@classmethod
def probe_transport(klass, transport):
from breezy.transport.http import HttpTransport
if not isinstance(transport, HttpTransport):
raise errors.NotBranchError(path=transport.base)
response = transport.request(
'POST', transport.base, headers={'Content-Type': 'application/x-fossil'})
if response.status == 501:
raise errors.NotBranchError(path=transport.base)
ct = response.getheader('Content-Type')
if ct is None:
raise errors.NotBranchError(path=transport.base)
if ct.split(';')[0] != 'application/x-fossil':
raise errors.NotBranchError(path=transport.base)
return FossilDirFormat()
@classmethod
def known_formats(cls):
return [FossilDirFormat()]
controldir.ControlDirFormat.register_prober(RemoteFossilProber)
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