1
# Copyright (C) 2010 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
"""Weave-era branch implementations."""
24
from bzrlib.trace import mutter
26
from bzrlib.branch import (
32
class BzrBranch4(FullHistoryBzrBranch):
33
"""Branch format 4."""
35
def _get_checkout_format(self, lightweight=False):
36
"""Return the most suitable metadir for a checkout of this branch.
38
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat7
39
from bzrlib.bzrdir import BzrDirMetaFormat1
40
format = BzrDirMetaFormat1()
42
format.set_branch_format(self._format)
43
format.repository_format = self.bzrdir._format.repository_format
45
format.repository_format = RepositoryFormat7()
49
raise errors.UpgradeRequired(self.user_url)
51
def bind(self, other):
52
raise errors.UpgradeRequired(self.user_url)
54
def set_bound_location(self, location):
55
raise NotImplementedError(self.set_bound_location)
57
def get_bound_location(self):
63
def get_master_branch(self, possible_transports=None):
67
class BzrBranchFormat4(BranchFormat):
68
"""Bzr branch format 4.
71
- a revision-history file.
72
- a branch-lock lock file [ to be shared with the bzrdir ]
74
It does not support binding.
77
def initialize(self, a_bzrdir, name=None, repository=None,
78
append_revisions_only=None):
79
"""Create a branch of this format in a_bzrdir.
81
:param a_bzrdir: The bzrdir to initialize the branch in
82
:param name: Name of colocated branch to create, if any
83
:param repository: Repository for this branch (unused)
85
if append_revisions_only:
86
raise errors.UpgradeRequired(a_bzrdir.user_url)
87
if repository is not None:
88
raise NotImplementedError(
89
"initialize(repository=<not None>) on %r" % (self,))
90
if not [isinstance(a_bzrdir._format, format) for format in
91
self._compatible_bzrdirs]:
92
raise errors.IncompatibleFormat(self, a_bzrdir._format)
93
utf8_files = [('revision-history', ''),
96
mutter('creating branch %r in %s', self, a_bzrdir.user_url)
97
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
98
control_files = lockable_files.LockableFiles(branch_transport,
99
'branch-lock', lockable_files.TransportLock)
100
control_files.create_lock()
102
control_files.lock_write()
103
except errors.LockContention:
108
for (filename, content) in utf8_files:
109
branch_transport.put_bytes(
111
mode=a_bzrdir._get_file_mode())
114
control_files.unlock()
115
branch = self.open(a_bzrdir, name, _found=True,
116
found_repository=None)
117
self._run_post_branch_init_hooks(a_bzrdir, name, branch)
121
super(BzrBranchFormat4, self).__init__()
122
from bzrlib.plugins.weave_fmt.bzrdir import (
123
BzrDirFormat4, BzrDirFormat5, BzrDirFormat6,
125
self._matchingbzrdir = BzrDirFormat6()
126
self._compatible_bzrdirs = [BzrDirFormat4, BzrDirFormat5,
129
def network_name(self):
130
"""The network name for this format is the control dirs disk label."""
131
return self._matchingbzrdir.get_format_string()
133
def get_format_description(self):
134
return "Branch format 4"
136
def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False,
137
found_repository=None, possible_transports=None):
138
"""See BranchFormat.open()."""
140
raise errors.NoColocatedBranchSupport(self)
142
# we are being called directly and must probe.
143
raise NotImplementedError
144
if found_repository is None:
145
found_repository = a_bzrdir.open_repository()
146
return BzrBranch4(_format=self,
147
_control_files=a_bzrdir._control_files,
150
_repository=found_repository,
151
possible_transports=possible_transports)
154
return "Bazaar-NG branch format 4"
156
def supports_leaving_lock(self):
added
removed
bzrlib/plugins/weave_fmt/branch.py
