/usr/lib/python2.7/dist-packages/bzrlib/plugins/weave_fmt/bzrdir.py is in python-bzrlib 2.7.0-2ubuntu3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# 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; either version 2 of the License, or
# (at your option) any 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Weave-era BzrDir formats."""
from __future__ import absolute_import
from bzrlib.bzrdir import (
BzrDir,
BzrDirFormat,
BzrDirMetaFormat1,
)
from bzrlib.controldir import (
ControlDir,
Converter,
format_registry,
)
from bzrlib.lazy_import import lazy_import
lazy_import(globals(), """
import os
import warnings
from bzrlib import (
errors,
graph,
lockable_files,
lockdir,
osutils,
revision as _mod_revision,
trace,
ui,
urlutils,
versionedfile,
weave,
xml5,
)
from bzrlib.i18n import gettext
from bzrlib.store.versioned import VersionedFileStore
from bzrlib.transactions import WriteTransaction
from bzrlib.transport import (
get_transport,
local,
)
from bzrlib.plugins.weave_fmt import xml4
""")
class BzrDirFormatAllInOne(BzrDirFormat):
"""Common class for formats before meta-dirs."""
fixed_components = True
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
create_prefix=False, force_new_repo=False, stacked_on=None,
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
shared_repo=False):
"""See ControlDir.initialize_on_transport_ex."""
require_stacking = (stacked_on is not None)
# Format 5 cannot stack, but we've been asked to - actually init
# a Meta1Dir
if require_stacking:
format = BzrDirMetaFormat1()
return format.initialize_on_transport_ex(transport,
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
force_new_repo=force_new_repo, stacked_on=stacked_on,
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
make_working_trees=make_working_trees, shared_repo=shared_repo)
return BzrDirFormat.initialize_on_transport_ex(self, transport,
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
force_new_repo=force_new_repo, stacked_on=stacked_on,
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
make_working_trees=make_working_trees, shared_repo=shared_repo)
@classmethod
def from_string(cls, format_string):
if format_string != cls.get_format_string():
raise AssertionError("unexpected format string %r" % format_string)
return cls()
class BzrDirFormat5(BzrDirFormatAllInOne):
"""Bzr control format 5.
This format is a combined format for working tree, branch and repository.
It has:
- Format 2 working trees [always]
- Format 4 branches [always]
- Format 5 repositories [always]
Unhashed stores in the repository.
"""
_lock_class = lockable_files.TransportLock
def __eq__(self, other):
return type(self) == type(other)
@classmethod
def get_format_string(cls):
"""See BzrDirFormat.get_format_string()."""
return "Bazaar-NG branch, format 5\n"
def get_branch_format(self):
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
return BzrBranchFormat4()
def get_format_description(self):
"""See ControlDirFormat.get_format_description()."""
return "All-in-one format 5"
def get_converter(self, format=None):
"""See ControlDirFormat.get_converter()."""
# there is one and only one upgrade path here.
return ConvertBzrDir5To6()
def _initialize_for_clone(self, url):
return self.initialize_on_transport(get_transport(url), _cloning=True)
def initialize_on_transport(self, transport, _cloning=False):
"""Format 5 dirs always have working tree, branch and repository.
Except when they are being cloned.
"""
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat5
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
RepositoryFormat5().initialize(result, _internal=True)
if not _cloning:
branch = BzrBranchFormat4().initialize(result)
result._init_workingtree()
return result
def network_name(self):
return self.get_format_string()
def _open(self, transport):
"""See BzrDirFormat._open."""
return BzrDir5(transport, self)
def __return_repository_format(self):
"""Circular import protection."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat5
return RepositoryFormat5()
repository_format = property(__return_repository_format)
class BzrDirFormat6(BzrDirFormatAllInOne):
"""Bzr control format 6.
This format is a combined format for working tree, branch and repository.
It has:
- Format 2 working trees [always]
- Format 4 branches [always]
- Format 6 repositories [always]
"""
_lock_class = lockable_files.TransportLock
def __eq__(self, other):
return type(self) == type(other)
@classmethod
def get_format_string(cls):
"""See BzrDirFormat.get_format_string()."""
return "Bazaar-NG branch, format 6\n"
def get_format_description(self):
"""See ControlDirFormat.get_format_description()."""
return "All-in-one format 6"
def get_branch_format(self):
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
return BzrBranchFormat4()
def get_converter(self, format=None):
"""See ControlDirFormat.get_converter()."""
# there is one and only one upgrade path here.
return ConvertBzrDir6ToMeta()
def _initialize_for_clone(self, url):
return self.initialize_on_transport(get_transport(url), _cloning=True)
def initialize_on_transport(self, transport, _cloning=False):
"""Format 6 dirs always have working tree, branch and repository.
Except when they are being cloned.
"""
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat6
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
RepositoryFormat6().initialize(result, _internal=True)
if not _cloning:
branch = BzrBranchFormat4().initialize(result)
result._init_workingtree()
return result
def network_name(self):
return self.get_format_string()
def _open(self, transport):
"""See BzrDirFormat._open."""
return BzrDir6(transport, self)
def __return_repository_format(self):
"""Circular import protection."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat6
return RepositoryFormat6()
repository_format = property(__return_repository_format)
class ConvertBzrDir4To5(Converter):
"""Converts format 4 bzr dirs to format 5."""
def __init__(self):
super(ConvertBzrDir4To5, self).__init__()
self.converted_revs = set()
self.absent_revisions = set()
self.text_count = 0
self.revisions = {}
def convert(self, to_convert, pb):
"""See Converter.convert()."""
self.bzrdir = to_convert
if pb is not None:
warnings.warn(gettext("pb parameter to convert() is deprecated"))
self.pb = ui.ui_factory.nested_progress_bar()
try:
ui.ui_factory.note(gettext('starting upgrade from format 4 to 5'))
if isinstance(self.bzrdir.transport, local.LocalTransport):
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
self._convert_to_weaves()
return ControlDir.open(self.bzrdir.user_url)
finally:
self.pb.finished()
def _convert_to_weaves(self):
ui.ui_factory.note(gettext(
'note: upgrade may be faster if all store files are ungzipped first'))
try:
# TODO permissions
stat = self.bzrdir.transport.stat('weaves')
if not S_ISDIR(stat.st_mode):
self.bzrdir.transport.delete('weaves')
self.bzrdir.transport.mkdir('weaves')
except errors.NoSuchFile:
self.bzrdir.transport.mkdir('weaves')
# deliberately not a WeaveFile as we want to build it up slowly.
self.inv_weave = weave.Weave('inventory')
# holds in-memory weaves for all files
self.text_weaves = {}
self.bzrdir.transport.delete('branch-format')
self.branch = self.bzrdir.open_branch()
self._convert_working_inv()
rev_history = self.branch._revision_history()
# to_read is a stack holding the revisions we still need to process;
# appending to it adds new highest-priority revisions
self.known_revisions = set(rev_history)
self.to_read = rev_history[-1:]
while self.to_read:
rev_id = self.to_read.pop()
if (rev_id not in self.revisions
and rev_id not in self.absent_revisions):
self._load_one_rev(rev_id)
self.pb.clear()
to_import = self._make_order()
for i, rev_id in enumerate(to_import):
self.pb.update(gettext('converting revision'), i, len(to_import))
self._convert_one_rev(rev_id)
self.pb.clear()
self._write_all_weaves()
self._write_all_revs()
ui.ui_factory.note(gettext('upgraded to weaves:'))
ui.ui_factory.note(' ' + gettext('%6d revisions and inventories') %
len(self.revisions))
ui.ui_factory.note(' ' + gettext('%6d revisions not present') %
len(self.absent_revisions))
ui.ui_factory.note(' ' + gettext('%6d texts') % self.text_count)
self._cleanup_spare_files_after_format4()
self.branch._transport.put_bytes(
'branch-format',
BzrDirFormat5().get_format_string(),
mode=self.bzrdir._get_file_mode())
def _cleanup_spare_files_after_format4(self):
# FIXME working tree upgrade foo.
for n in 'merged-patches', 'pending-merged-patches':
try:
## assert os.path.getsize(p) == 0
self.bzrdir.transport.delete(n)
except errors.NoSuchFile:
pass
self.bzrdir.transport.delete_tree('inventory-store')
self.bzrdir.transport.delete_tree('text-store')
def _convert_working_inv(self):
inv = xml4.serializer_v4.read_inventory(
self.branch._transport.get('inventory'))
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
self.branch._transport.put_bytes('inventory', new_inv_xml,
mode=self.bzrdir._get_file_mode())
def _write_all_weaves(self):
controlweaves = VersionedFileStore(self.bzrdir.transport, prefixed=False,
versionedfile_class=weave.WeaveFile)
weave_transport = self.bzrdir.transport.clone('weaves')
weaves = VersionedFileStore(weave_transport, prefixed=False,
versionedfile_class=weave.WeaveFile)
transaction = WriteTransaction()
try:
i = 0
for file_id, file_weave in self.text_weaves.items():
self.pb.update(gettext('writing weave'), i,
len(self.text_weaves))
weaves._put_weave(file_id, file_weave, transaction)
i += 1
self.pb.update(gettext('inventory'), 0, 1)
controlweaves._put_weave('inventory', self.inv_weave, transaction)
self.pb.update(gettext('inventory'), 1, 1)
finally:
self.pb.clear()
def _write_all_revs(self):
"""Write all revisions out in new form."""
self.bzrdir.transport.delete_tree('revision-store')
self.bzrdir.transport.mkdir('revision-store')
revision_transport = self.bzrdir.transport.clone('revision-store')
# TODO permissions
from bzrlib.xml5 import serializer_v5
from bzrlib.plugins.weave_fmt.repository import RevisionTextStore
revision_store = RevisionTextStore(revision_transport,
serializer_v5, False, versionedfile.PrefixMapper(),
lambda:True, lambda:True)
try:
for i, rev_id in enumerate(self.converted_revs):
self.pb.update(gettext('write revision'), i,
len(self.converted_revs))
text = serializer_v5.write_revision_to_string(
self.revisions[rev_id])
key = (rev_id,)
revision_store.add_lines(key, None, osutils.split_lines(text))
finally:
self.pb.clear()
def _load_one_rev(self, rev_id):
"""Load a revision object into memory.
Any parents not either loaded or abandoned get queued to be
loaded."""
self.pb.update(gettext('loading revision'),
len(self.revisions),
len(self.known_revisions))
if not self.branch.repository.has_revision(rev_id):
self.pb.clear()
ui.ui_factory.note(gettext('revision {%s} not present in branch; '
'will be converted as a ghost') %
rev_id)
self.absent_revisions.add(rev_id)
else:
rev = self.branch.repository.get_revision(rev_id)
for parent_id in rev.parent_ids:
self.known_revisions.add(parent_id)
self.to_read.append(parent_id)
self.revisions[rev_id] = rev
def _load_old_inventory(self, rev_id):
f = self.branch.repository.inventory_store.get(rev_id)
try:
old_inv_xml = f.read()
finally:
f.close()
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
inv.revision_id = rev_id
rev = self.revisions[rev_id]
return inv
def _load_updated_inventory(self, rev_id):
inv_xml = self.inv_weave.get_text(rev_id)
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
return inv
def _convert_one_rev(self, rev_id):
"""Convert revision and all referenced objects to new format."""
rev = self.revisions[rev_id]
inv = self._load_old_inventory(rev_id)
present_parents = [p for p in rev.parent_ids
if p not in self.absent_revisions]
self._convert_revision_contents(rev, inv, present_parents)
self._store_new_inv(rev, inv, present_parents)
self.converted_revs.add(rev_id)
def _store_new_inv(self, rev, inv, present_parents):
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
new_inv_sha1 = osutils.sha_string(new_inv_xml)
self.inv_weave.add_lines(rev.revision_id,
present_parents,
new_inv_xml.splitlines(True))
rev.inventory_sha1 = new_inv_sha1
def _convert_revision_contents(self, rev, inv, present_parents):
"""Convert all the files within a revision.
Also upgrade the inventory to refer to the text revision ids."""
rev_id = rev.revision_id
trace.mutter('converting texts of revision {%s}', rev_id)
parent_invs = map(self._load_updated_inventory, present_parents)
entries = inv.iter_entries()
entries.next()
for path, ie in entries:
self._convert_file_version(rev, ie, parent_invs)
def _convert_file_version(self, rev, ie, parent_invs):
"""Convert one version of one file.
The file needs to be added into the weave if it is a merge
of >=2 parents or if it's changed from its parent.
"""
file_id = ie.file_id
rev_id = rev.revision_id
w = self.text_weaves.get(file_id)
if w is None:
w = weave.Weave(file_id)
self.text_weaves[file_id] = w
text_changed = False
parent_candiate_entries = ie.parent_candidates(parent_invs)
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
# XXX: Note that this is unordered - and this is tolerable because
# the previous code was also unordered.
previous_entries = dict((head, parent_candiate_entries[head]) for head
in heads)
self.snapshot_ie(previous_entries, ie, w, rev_id)
def get_parent_map(self, revision_ids):
"""See graph.StackedParentsProvider.get_parent_map"""
return dict((revision_id, self.revisions[revision_id])
for revision_id in revision_ids
if revision_id in self.revisions)
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
# TODO: convert this logic, which is ~= snapshot to
# a call to:. This needs the path figured out. rather than a work_tree
# a v4 revision_tree can be given, or something that looks enough like
# one to give the file content to the entry if it needs it.
# and we need something that looks like a weave store for snapshot to
# save against.
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
if len(previous_revisions) == 1:
previous_ie = previous_revisions.values()[0]
if ie._unchanged(previous_ie):
ie.revision = previous_ie.revision
return
if ie.has_text():
f = self.branch.repository._text_store.get(ie.text_id)
try:
file_lines = f.readlines()
finally:
f.close()
w.add_lines(rev_id, previous_revisions, file_lines)
self.text_count += 1
else:
w.add_lines(rev_id, previous_revisions, [])
ie.revision = rev_id
def _make_order(self):
"""Return a suitable order for importing revisions.
The order must be such that an revision is imported after all
its (present) parents.
"""
todo = set(self.revisions.keys())
done = self.absent_revisions.copy()
order = []
while todo:
# scan through looking for a revision whose parents
# are all done
for rev_id in sorted(list(todo)):
rev = self.revisions[rev_id]
parent_ids = set(rev.parent_ids)
if parent_ids.issubset(done):
# can take this one now
order.append(rev_id)
todo.remove(rev_id)
done.add(rev_id)
return order
class ConvertBzrDir5To6(Converter):
"""Converts format 5 bzr dirs to format 6."""
def convert(self, to_convert, pb):
"""See Converter.convert()."""
self.bzrdir = to_convert
pb = ui.ui_factory.nested_progress_bar()
try:
ui.ui_factory.note(gettext('starting upgrade from format 5 to 6'))
self._convert_to_prefixed()
return ControlDir.open(self.bzrdir.user_url)
finally:
pb.finished()
def _convert_to_prefixed(self):
from bzrlib.store import TransportStore
self.bzrdir.transport.delete('branch-format')
for store_name in ["weaves", "revision-store"]:
ui.ui_factory.note(gettext("adding prefixes to %s") % store_name)
store_transport = self.bzrdir.transport.clone(store_name)
store = TransportStore(store_transport, prefixed=True)
for urlfilename in store_transport.list_dir('.'):
filename = urlutils.unescape(urlfilename)
if (filename.endswith(".weave") or
filename.endswith(".gz") or
filename.endswith(".sig")):
file_id, suffix = os.path.splitext(filename)
else:
file_id = filename
suffix = ''
new_name = store._mapper.map((file_id,)) + suffix
# FIXME keep track of the dirs made RBC 20060121
try:
store_transport.move(filename, new_name)
except errors.NoSuchFile: # catches missing dirs strangely enough
store_transport.mkdir(osutils.dirname(new_name))
store_transport.move(filename, new_name)
self.bzrdir.transport.put_bytes(
'branch-format',
BzrDirFormat6().get_format_string(),
mode=self.bzrdir._get_file_mode())
class ConvertBzrDir6ToMeta(Converter):
"""Converts format 6 bzr dirs to metadirs."""
def convert(self, to_convert, pb):
"""See Converter.convert()."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat7
from bzrlib.branchfmt.fullhistory import BzrBranchFormat5
self.bzrdir = to_convert
self.pb = ui.ui_factory.nested_progress_bar()
self.count = 0
self.total = 20 # the steps we know about
self.garbage_inventories = []
self.dir_mode = self.bzrdir._get_dir_mode()
self.file_mode = self.bzrdir._get_file_mode()
ui.ui_factory.note(gettext('starting upgrade from format 6 to metadir'))
self.bzrdir.transport.put_bytes(
'branch-format',
"Converting to format 6",
mode=self.file_mode)
# its faster to move specific files around than to open and use the apis...
# first off, nuke ancestry.weave, it was never used.
try:
self.step(gettext('Removing ancestry.weave'))
self.bzrdir.transport.delete('ancestry.weave')
except errors.NoSuchFile:
pass
# find out whats there
self.step(gettext('Finding branch files'))
last_revision = self.bzrdir.open_branch().last_revision()
bzrcontents = self.bzrdir.transport.list_dir('.')
for name in bzrcontents:
if name.startswith('basis-inventory.'):
self.garbage_inventories.append(name)
# create new directories for repository, working tree and branch
repository_names = [('inventory.weave', True),
('revision-store', True),
('weaves', True)]
self.step(gettext('Upgrading repository') + ' ')
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
self.make_lock('repository')
# we hard code the formats here because we are converting into
# the meta format. The meta format upgrader can take this to a
# future format within each component.
self.put_format('repository', RepositoryFormat7())
for entry in repository_names:
self.move_entry('repository', entry)
self.step(gettext('Upgrading branch') + ' ')
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
self.make_lock('branch')
self.put_format('branch', BzrBranchFormat5())
branch_files = [('revision-history', True),
('branch-name', True),
('parent', False)]
for entry in branch_files:
self.move_entry('branch', entry)
checkout_files = [('pending-merges', True),
('inventory', True),
('stat-cache', False)]
# If a mandatory checkout file is not present, the branch does not have
# a functional checkout. Do not create a checkout in the converted
# branch.
for name, mandatory in checkout_files:
if mandatory and name not in bzrcontents:
has_checkout = False
break
else:
has_checkout = True
if not has_checkout:
ui.ui_factory.note(gettext('No working tree.'))
# If some checkout files are there, we may as well get rid of them.
for name, mandatory in checkout_files:
if name in bzrcontents:
self.bzrdir.transport.delete(name)
else:
from bzrlib.workingtree_3 import WorkingTreeFormat3
self.step(gettext('Upgrading working tree'))
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
self.make_lock('checkout')
self.put_format(
'checkout', WorkingTreeFormat3())
self.bzrdir.transport.delete_multi(
self.garbage_inventories, self.pb)
for entry in checkout_files:
self.move_entry('checkout', entry)
if last_revision is not None:
self.bzrdir.transport.put_bytes(
'checkout/last-revision', last_revision)
self.bzrdir.transport.put_bytes(
'branch-format',
BzrDirMetaFormat1().get_format_string(),
mode=self.file_mode)
self.pb.finished()
return ControlDir.open(self.bzrdir.user_url)
def make_lock(self, name):
"""Make a lock for the new control dir name."""
self.step(gettext('Make %s lock') % name)
ld = lockdir.LockDir(self.bzrdir.transport,
'%s/lock' % name,
file_modebits=self.file_mode,
dir_modebits=self.dir_mode)
ld.create()
def move_entry(self, new_dir, entry):
"""Move then entry name into new_dir."""
name = entry[0]
mandatory = entry[1]
self.step(gettext('Moving %s') % name)
try:
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
except errors.NoSuchFile:
if mandatory:
raise
def put_format(self, dirname, format):
self.bzrdir.transport.put_bytes('%s/format' % dirname,
format.get_format_string(),
self.file_mode)
class BzrDirFormat4(BzrDirFormat):
"""Bzr dir format 4.
This format is a combined format for working tree, branch and repository.
It has:
- Format 1 working trees [always]
- Format 4 branches [always]
- Format 4 repositories [always]
This format is deprecated: it indexes texts using a text it which is
removed in format 5; write support for this format has been removed.
"""
_lock_class = lockable_files.TransportLock
def __eq__(self, other):
return type(self) == type(other)
@classmethod
def get_format_string(cls):
"""See BzrDirFormat.get_format_string()."""
return "Bazaar-NG branch, format 0.0.4\n"
def get_format_description(self):
"""See ControlDirFormat.get_format_description()."""
return "All-in-one format 4"
def get_converter(self, format=None):
"""See ControlDirFormat.get_converter()."""
# there is one and only one upgrade path here.
return ConvertBzrDir4To5()
def initialize_on_transport(self, transport):
"""Format 4 branches cannot be created."""
raise errors.UninitializableFormat(self)
def is_supported(self):
"""Format 4 is not supported.
It is not supported because the model changed from 4 to 5 and the
conversion logic is expensive - so doing it on the fly was not
feasible.
"""
return False
def network_name(self):
return self.get_format_string()
def _open(self, transport):
"""See BzrDirFormat._open."""
return BzrDir4(transport, self)
def __return_repository_format(self):
"""Circular import protection."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat4
return RepositoryFormat4()
repository_format = property(__return_repository_format)
@classmethod
def from_string(cls, format_string):
if format_string != cls.get_format_string():
raise AssertionError("unexpected format string %r" % format_string)
return cls()
class BzrDirPreSplitOut(BzrDir):
"""A common class for the all-in-one formats."""
def __init__(self, _transport, _format):
"""See ControlDir.__init__."""
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
self._control_files = lockable_files.LockableFiles(
self.get_branch_transport(None),
self._format._lock_file_name,
self._format._lock_class)
def break_lock(self):
"""Pre-splitout bzrdirs do not suffer from stale locks."""
raise NotImplementedError(self.break_lock)
def cloning_metadir(self, require_stacking=False):
"""Produce a metadir suitable for cloning with."""
if require_stacking:
return format_registry.make_bzrdir('1.6')
return self._format.__class__()
def clone(self, url, revision_id=None, force_new_repo=False,
preserve_stacking=False):
"""See ControlDir.clone().
force_new_repo has no effect, since this family of formats always
require a new repository.
preserve_stacking has no effect, since no source branch using this
family of formats can be stacked, so there is no stacking to preserve.
"""
self._make_tail(url)
result = self._format._initialize_for_clone(url)
self.open_repository().clone(result, revision_id=revision_id)
from_branch = self.open_branch()
from_branch.clone(result, revision_id=revision_id)
try:
tree = self.open_workingtree()
except errors.NotLocalUrl:
# make a new one, this format always has to have one.
result._init_workingtree()
else:
tree.clone(result)
return result
def create_branch(self, name=None, repository=None,
append_revisions_only=None):
"""See ControlDir.create_branch."""
if repository is not None:
raise NotImplementedError(
"create_branch(repository=<not None>) on %r" % (self,))
return self._format.get_branch_format().initialize(self, name=name,
append_revisions_only=append_revisions_only)
def destroy_branch(self, name=None):
"""See ControlDir.destroy_branch."""
raise errors.UnsupportedOperation(self.destroy_branch, self)
def create_repository(self, shared=False):
"""See ControlDir.create_repository."""
if shared:
raise errors.IncompatibleFormat('shared repository', self._format)
return self.open_repository()
def destroy_repository(self):
"""See ControlDir.destroy_repository."""
raise errors.UnsupportedOperation(self.destroy_repository, self)
def create_workingtree(self, revision_id=None, from_branch=None,
accelerator_tree=None, hardlink=False):
"""See ControlDir.create_workingtree."""
# The workingtree is sometimes created when the bzrdir is created,
# but not when cloning.
# this looks buggy but is not -really-
# because this format creates the workingtree when the bzrdir is
# created
# clone and sprout will have set the revision_id
# and that will have set it for us, its only
# specific uses of create_workingtree in isolation
# that can do wonky stuff here, and that only
# happens for creating checkouts, which cannot be
# done on this format anyway. So - acceptable wart.
if hardlink:
warning("can't support hardlinked working trees in %r"
% (self,))
try:
result = self.open_workingtree(recommend_upgrade=False)
except errors.NoSuchFile:
result = self._init_workingtree()
if revision_id is not None:
if revision_id == _mod_revision.NULL_REVISION:
result.set_parent_ids([])
else:
result.set_parent_ids([revision_id])
return result
def _init_workingtree(self):
from bzrlib.plugins.weave_fmt.workingtree import WorkingTreeFormat2
try:
return WorkingTreeFormat2().initialize(self)
except errors.NotLocalUrl:
# Even though we can't access the working tree, we need to
# create its control files.
return WorkingTreeFormat2()._stub_initialize_on_transport(
self.transport, self._control_files._file_mode)
def destroy_workingtree(self):
"""See ControlDir.destroy_workingtree."""
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
def destroy_workingtree_metadata(self):
"""See ControlDir.destroy_workingtree_metadata."""
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
self)
def get_branch_transport(self, branch_format, name=None):
"""See BzrDir.get_branch_transport()."""
if name is not None:
raise errors.NoColocatedBranchSupport(self)
if branch_format is None:
return self.transport
try:
branch_format.get_format_string()
except NotImplementedError:
return self.transport
raise errors.IncompatibleFormat(branch_format, self._format)
def get_repository_transport(self, repository_format):
"""See BzrDir.get_repository_transport()."""
if repository_format is None:
return self.transport
try:
repository_format.get_format_string()
except NotImplementedError:
return self.transport
raise errors.IncompatibleFormat(repository_format, self._format)
def get_workingtree_transport(self, workingtree_format):
"""See BzrDir.get_workingtree_transport()."""
if workingtree_format is None:
return self.transport
try:
workingtree_format.get_format_string()
except NotImplementedError:
return self.transport
raise errors.IncompatibleFormat(workingtree_format, self._format)
def needs_format_conversion(self, format=None):
"""See ControlDir.needs_format_conversion()."""
# if the format is not the same as the system default,
# an upgrade is needed.
if format is None:
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
% 'needs_format_conversion(format=None)')
format = BzrDirFormat.get_default_format()
return not isinstance(self._format, format.__class__)
def open_branch(self, name=None, unsupported=False,
ignore_fallbacks=False, possible_transports=None):
"""See ControlDir.open_branch."""
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
format = BzrBranchFormat4()
format.check_support_status(unsupported)
return format.open(self, name, _found=True,
possible_transports=possible_transports)
def sprout(self, url, revision_id=None, force_new_repo=False,
possible_transports=None, accelerator_tree=None,
hardlink=False, stacked=False, create_tree_if_local=True,
source_branch=None):
"""See ControlDir.sprout()."""
if source_branch is not None:
my_branch = self.open_branch()
if source_branch.base != my_branch.base:
raise AssertionError(
"source branch %r is not within %r with branch %r" %
(source_branch, self, my_branch))
if stacked:
raise errors.UnstackableBranchFormat(
self._format, self.root_transport.base)
if not create_tree_if_local:
raise errors.MustHaveWorkingTree(
self._format, self.root_transport.base)
from bzrlib.plugins.weave_fmt.workingtree import WorkingTreeFormat2
self._make_tail(url)
result = self._format._initialize_for_clone(url)
try:
self.open_repository().clone(result, revision_id=revision_id)
except errors.NoRepositoryPresent:
pass
try:
self.open_branch().sprout(result, revision_id=revision_id)
except errors.NotBranchError:
pass
# we always want a working tree
WorkingTreeFormat2().initialize(result,
accelerator_tree=accelerator_tree,
hardlink=hardlink)
return result
def set_branch_reference(self, target_branch, name=None):
from bzrlib.branch import BranchReferenceFormat
if name is not None:
raise errors.NoColocatedBranchSupport(self)
raise errors.IncompatibleFormat(BranchReferenceFormat, self._format)
class BzrDir4(BzrDirPreSplitOut):
"""A .bzr version 4 control object.
This is a deprecated format and may be removed after sept 2006.
"""
def create_repository(self, shared=False):
"""See ControlDir.create_repository."""
return self._format.repository_format.initialize(self, shared)
def needs_format_conversion(self, format=None):
"""Format 4 dirs are always in need of conversion."""
if format is None:
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
% 'needs_format_conversion(format=None)')
return True
def open_repository(self):
"""See ControlDir.open_repository."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat4
return RepositoryFormat4().open(self, _found=True)
class BzrDir5(BzrDirPreSplitOut):
"""A .bzr version 5 control object.
This is a deprecated format and may be removed after sept 2006.
"""
def has_workingtree(self):
"""See ControlDir.has_workingtree."""
return True
def open_repository(self):
"""See ControlDir.open_repository."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat5
return RepositoryFormat5().open(self, _found=True)
def open_workingtree(self, unsupported=False,
recommend_upgrade=True):
"""See ControlDir.create_workingtree."""
from bzrlib.plugins.weave_fmt.workingtree import WorkingTreeFormat2
wt_format = WorkingTreeFormat2()
# we don't warn here about upgrades; that ought to be handled for the
# bzrdir as a whole
return wt_format.open(self, _found=True)
class BzrDir6(BzrDirPreSplitOut):
"""A .bzr version 6 control object.
This is a deprecated format and may be removed after sept 2006.
"""
def has_workingtree(self):
"""See ControlDir.has_workingtree."""
return True
def open_repository(self):
"""See ControlDir.open_repository."""
from bzrlib.plugins.weave_fmt.repository import RepositoryFormat6
return RepositoryFormat6().open(self, _found=True)
def open_workingtree(self, unsupported=False, recommend_upgrade=True):
"""See ControlDir.create_workingtree."""
# we don't warn here about upgrades; that ought to be handled for the
# bzrdir as a whole
from bzrlib.plugins.weave_fmt.workingtree import WorkingTreeFormat2
return WorkingTreeFormat2().open(self, _found=True)
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