1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
# 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 ... import version_info # noqa: F401
from breezy import (
controldir,
errors,
)
class DarcsUnsupportedError(errors.UnsupportedFormatError):
_fmt = ('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.')
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 errors.UninitializableFormat(self)
def is_supported(self):
return False
def supports_transport(self, transport):
return False
@classmethod
def _known_formats(self):
return set([DarcsDirFormat()])
def open(self, transport, _found=False):
"""Open this directory."""
raise DarcsUnsupportedError()
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
basedir=None):
raise DarcsUnsupportedError()
def open(self, transport):
# Raise NotBranchError if there is nothing there
DarcsProber().probe_transport(transport)
raise NotImplementedError(self.open)
class DarcsProber(controldir.Prober):
@classmethod
def priority(klass, transport):
if 'darcs' in transport.base:
return 90
return 100
@classmethod
def probe_transport(klass, transport):
if transport.has('_darcs/format'):
return DarcsDirFormat()
raise errors.NotBranchError(path=transport.base)
@classmethod
def known_formats(cls):
return [DarcsDirFormat()]
controldir.ControlDirFormat.register_prober(DarcsProber)
|