1
# Copyright (C) 2006-2010 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 BzrDir formats."""
19
from __future__ import absolute_import
21
from ...bzr.bzrdir import (
26
from ...controldir import (
35
from ...lazy_import import lazy_import
36
lazy_import(globals(), """
41
branch as _mod_branch,,
46
revision as _mod_revision,
51
from breezy.bzr import (
56
from breezy.i18n import gettext
57
from breezy.plugins.weave_fmt.store.versioned import VersionedFileStore
58
from breezy.transactions import WriteTransaction
59
from breezy.transport import (
63
from breezy.plugins.weave_fmt import xml4
67
class BzrDirFormatAllInOne(BzrDirFormat):
68
"""Common class for formats before meta-dirs."""
70
fixed_components = True
72
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
73
create_prefix=False, force_new_repo=False, stacked_on=None,
74
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
76
"""See ControlDir.initialize_on_transport_ex."""
77
require_stacking = (stacked_on is not None)
78
# Format 5 cannot stack, but we've been asked to - actually init
81
format = BzrDirMetaFormat1()
82
return format.initialize_on_transport_ex(transport,
83
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
84
force_new_repo=force_new_repo, stacked_on=stacked_on,
85
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
86
make_working_trees=make_working_trees, shared_repo=shared_repo)
87
return BzrDirFormat.initialize_on_transport_ex(self, transport,
88
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
89
force_new_repo=force_new_repo, stacked_on=stacked_on,
90
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
91
make_working_trees=make_working_trees, shared_repo=shared_repo)
94
def from_string(cls, format_string):
95
if format_string != cls.get_format_string():
96
raise AssertionError("unexpected format string %r" % format_string)
100
class BzrDirFormat5(BzrDirFormatAllInOne):
101
"""Bzr control format 5.
103
This format is a combined format for working tree, branch and repository.
105
- Format 2 working trees [always]
106
- Format 4 branches [always]
107
- Format 5 repositories [always]
108
Unhashed stores in the repository.
111
_lock_class = lockable_files.TransportLock
113
def __eq__(self, other):
114
return isinstance(self, type(other))
117
def get_format_string(cls):
118
"""See BzrDirFormat.get_format_string()."""
119
return b"Bazaar-NG branch, format 5\n"
121
def get_branch_format(self):
122
from .branch import BzrBranchFormat4
123
return BzrBranchFormat4()
125
def get_format_description(self):
126
"""See ControlDirFormat.get_format_description()."""
127
return "All-in-one format 5"
129
def get_converter(self, format=None):
130
"""See ControlDirFormat.get_converter()."""
131
# there is one and only one upgrade path here.
132
return ConvertBzrDir5To6()
134
def _initialize_for_clone(self, url):
135
return self.initialize_on_transport(get_transport(url), _cloning=True)
137
def initialize_on_transport(self, transport, _cloning=False):
138
"""Format 5 dirs always have working tree, branch and repository.
140
Except when they are being cloned.
142
from .branch import BzrBranchFormat4
143
from .repository import RepositoryFormat5
144
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
145
RepositoryFormat5().initialize(result, _internal=True)
147
branch = BzrBranchFormat4().initialize(result)
148
result._init_workingtree()
151
def network_name(self):
152
return self.get_format_string()
154
def _open(self, transport):
155
"""See BzrDirFormat._open."""
156
return BzrDir5(transport, self)
158
def __return_repository_format(self):
159
"""Circular import protection."""
160
from .repository import RepositoryFormat5
161
return RepositoryFormat5()
162
repository_format = property(__return_repository_format)
165
class BzrDirFormat6(BzrDirFormatAllInOne):
166
"""Bzr control format 6.
168
This format is a combined format for working tree, branch and repository.
170
- Format 2 working trees [always]
171
- Format 4 branches [always]
172
- Format 6 repositories [always]
175
_lock_class = lockable_files.TransportLock
177
def __eq__(self, other):
178
return isinstance(self, type(other))
181
def get_format_string(cls):
182
"""See BzrDirFormat.get_format_string()."""
183
return b"Bazaar-NG branch, format 6\n"
185
def get_format_description(self):
186
"""See ControlDirFormat.get_format_description()."""
187
return "All-in-one format 6"
189
def get_branch_format(self):
190
from .branch import BzrBranchFormat4
191
return BzrBranchFormat4()
193
def get_converter(self, format=None):
194
"""See ControlDirFormat.get_converter()."""
195
# there is one and only one upgrade path here.
196
return ConvertBzrDir6ToMeta()
198
def _initialize_for_clone(self, url):
199
return self.initialize_on_transport(get_transport(url), _cloning=True)
201
def initialize_on_transport(self, transport, _cloning=False):
202
"""Format 6 dirs always have working tree, branch and repository.
204
Except when they are being cloned.
206
from .branch import BzrBranchFormat4
207
from .repository import RepositoryFormat6
208
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
209
RepositoryFormat6().initialize(result, _internal=True)
211
branch = BzrBranchFormat4().initialize(result)
212
result._init_workingtree()
215
def network_name(self):
216
return self.get_format_string()
218
def _open(self, transport):
219
"""See BzrDirFormat._open."""
220
return BzrDir6(transport, self)
222
def __return_repository_format(self):
223
"""Circular import protection."""
224
from .repository import RepositoryFormat6
225
return RepositoryFormat6()
226
repository_format = property(__return_repository_format)
229
class ConvertBzrDir4To5(Converter):
230
"""Converts format 4 bzr dirs to format 5."""
233
super(ConvertBzrDir4To5, self).__init__()
234
self.converted_revs = set()
235
self.absent_revisions = set()
239
def convert(self, to_convert, pb):
240
"""See Converter.convert()."""
241
self.controldir = to_convert
243
warnings.warn(gettext("pb parameter to convert() is deprecated"))
244
with ui.ui_factory.nested_progress_bar() as self.pb:
245
ui.ui_factory.note(gettext('starting upgrade from format 4 to 5'))
246
if isinstance(self.controldir.transport, local.LocalTransport):
247
self.controldir.get_workingtree_transport(
248
None).delete('stat-cache')
249
self._convert_to_weaves()
250
return ControlDir.open(self.controldir.user_url)
252
def _convert_to_weaves(self):
253
ui.ui_factory.note(gettext(
254
'note: upgrade may be faster if all store files are ungzipped first'))
257
stat = self.controldir.transport.stat('weaves')
258
if not S_ISDIR(stat.st_mode):
259
self.controldir.transport.delete('weaves')
260
self.controldir.transport.mkdir('weaves')
261
except errors.NoSuchFile:
262
self.controldir.transport.mkdir('weaves')
263
# deliberately not a WeaveFile as we want to build it up slowly.
264
self.inv_weave = weave.Weave('inventory')
265
# holds in-memory weaves for all files
266
self.text_weaves = {}
267
self.controldir.transport.delete('branch-format')
268
self.branch = self.controldir.open_branch()
269
self._convert_working_inv()
270
rev_history = self.branch._revision_history()
271
# to_read is a stack holding the revisions we still need to process;
272
# appending to it adds new highest-priority revisions
273
self.known_revisions = set(rev_history)
274
self.to_read = rev_history[-1:]
276
rev_id = self.to_read.pop()
277
if (rev_id not in self.revisions and
278
rev_id not in self.absent_revisions):
279
self._load_one_rev(rev_id)
281
to_import = self._make_order()
282
for i, rev_id in enumerate(to_import):
283
self.pb.update(gettext('converting revision'), i, len(to_import))
284
self._convert_one_rev(rev_id)
286
self._write_all_weaves()
287
self._write_all_revs()
288
ui.ui_factory.note(gettext('upgraded to weaves:'))
289
ui.ui_factory.note(' ' + gettext('%6d revisions and inventories') %
291
ui.ui_factory.note(' ' + gettext('%6d revisions not present') %
292
len(self.absent_revisions))
293
ui.ui_factory.note(' ' + gettext('%6d texts') % self.text_count)
294
self._cleanup_spare_files_after_format4()
295
self.branch._transport.put_bytes(
297
BzrDirFormat5().get_format_string(),
298
mode=self.controldir._get_file_mode())
300
def _cleanup_spare_files_after_format4(self):
301
# FIXME working tree upgrade foo.
302
for n in 'merged-patches', 'pending-merged-patches':
304
## assert os.path.getsize(p) == 0
305
self.controldir.transport.delete(n)
306
except errors.NoSuchFile:
308
self.controldir.transport.delete_tree('inventory-store')
309
self.controldir.transport.delete_tree('text-store')
311
def _convert_working_inv(self):
312
inv = xml4.serializer_v4.read_inventory(
313
self.branch._transport.get('inventory'))
314
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(
316
self.branch._transport.put_bytes('inventory', new_inv_xml,
317
mode=self.controldir._get_file_mode())
319
def _write_all_weaves(self):
320
controlweaves = VersionedFileStore(self.controldir.transport, prefixed=False,
321
versionedfile_class=weave.WeaveFile)
322
weave_transport = self.controldir.transport.clone('weaves')
323
weaves = VersionedFileStore(weave_transport, prefixed=False,
324
versionedfile_class=weave.WeaveFile)
325
transaction = WriteTransaction()
329
for file_id, file_weave in self.text_weaves.items():
330
self.pb.update(gettext('writing weave'), i,
331
len(self.text_weaves))
332
weaves._put_weave(file_id, file_weave, transaction)
334
self.pb.update(gettext('inventory'), 0, 1)
335
controlweaves._put_weave(b'inventory', self.inv_weave, transaction)
336
self.pb.update(gettext('inventory'), 1, 1)
340
def _write_all_revs(self):
341
"""Write all revisions out in new form."""
342
self.controldir.transport.delete_tree('revision-store')
343
self.controldir.transport.mkdir('revision-store')
344
revision_transport = self.controldir.transport.clone('revision-store')
346
from ...bzr.xml5 import serializer_v5
347
from .repository import RevisionTextStore
348
revision_store = RevisionTextStore(revision_transport,
349
serializer_v5, False, versionedfile.PrefixMapper(),
350
lambda: True, lambda: True)
352
for i, rev_id in enumerate(self.converted_revs):
353
self.pb.update(gettext('write revision'), i,
354
len(self.converted_revs))
355
text = serializer_v5.write_revision_to_string(
356
self.revisions[rev_id])
358
revision_store.add_lines(key, None, osutils.split_lines(text))
362
def _load_one_rev(self, rev_id):
363
"""Load a revision object into memory.
365
Any parents not either loaded or abandoned get queued to be
367
self.pb.update(gettext('loading revision'),
369
len(self.known_revisions))
370
if not self.branch.repository.has_revision(rev_id):
372
ui.ui_factory.note(gettext('revision {%s} not present in branch; '
373
'will be converted as a ghost') %
375
self.absent_revisions.add(rev_id)
377
rev = self.branch.repository.get_revision(rev_id)
378
for parent_id in rev.parent_ids:
379
self.known_revisions.add(parent_id)
380
self.to_read.append(parent_id)
381
self.revisions[rev_id] = rev
383
def _load_old_inventory(self, rev_id):
384
f = self.branch.repository.inventory_store.get(rev_id)
386
old_inv_xml = f.read()
389
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
390
inv.revision_id = rev_id
391
rev = self.revisions[rev_id]
394
def _load_updated_inventory(self, rev_id):
395
inv_xml = self.inv_weave.get_text(rev_id)
396
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
399
def _convert_one_rev(self, rev_id):
400
"""Convert revision and all referenced objects to new format."""
401
rev = self.revisions[rev_id]
402
inv = self._load_old_inventory(rev_id)
403
present_parents = [p for p in rev.parent_ids
404
if p not in self.absent_revisions]
405
self._convert_revision_contents(rev, inv, present_parents)
406
self._store_new_inv(rev, inv, present_parents)
407
self.converted_revs.add(rev_id)
409
def _store_new_inv(self, rev, inv, present_parents):
410
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
411
new_inv_sha1 = osutils.sha_string(new_inv_xml)
412
self.inv_weave.add_lines(rev.revision_id,
414
new_inv_xml.splitlines(True))
415
rev.inventory_sha1 = new_inv_sha1
417
def _convert_revision_contents(self, rev, inv, present_parents):
418
"""Convert all the files within a revision.
420
Also upgrade the inventory to refer to the text revision ids."""
421
rev_id = rev.revision_id
422
trace.mutter('converting texts of revision {%s}', rev_id)
423
parent_invs = list(map(self._load_updated_inventory, present_parents))
424
entries = inv.iter_entries()
426
for path, ie in entries:
427
self._convert_file_version(rev, ie, parent_invs)
429
def _convert_file_version(self, rev, ie, parent_invs):
430
"""Convert one version of one file.
432
The file needs to be added into the weave if it is a merge
433
of >=2 parents or if it's changed from its parent.
436
rev_id = rev.revision_id
437
w = self.text_weaves.get(file_id)
439
w = weave.Weave(file_id)
440
self.text_weaves[file_id] = w
442
parent_candiate_entries = ie.parent_candidates(parent_invs)
443
heads = graph.Graph(self).heads(parent_candiate_entries)
444
# XXX: Note that this is unordered - and this is tolerable because
445
# the previous code was also unordered.
446
previous_entries = {head: parent_candiate_entries[head]
448
self.snapshot_ie(previous_entries, ie, w, rev_id)
450
def get_parent_map(self, revision_ids):
451
"""See graph.StackedParentsProvider.get_parent_map"""
452
return dict((revision_id, self.revisions[revision_id])
453
for revision_id in revision_ids
454
if revision_id in self.revisions)
456
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
457
# TODO: convert this logic, which is ~= snapshot to
458
# a call to:. This needs the path figured out. rather than a work_tree
459
# a v4 revision_tree can be given, or something that looks enough like
460
# one to give the file content to the entry if it needs it.
461
# and we need something that looks like a weave store for snapshot to
463
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
464
if len(previous_revisions) == 1:
465
previous_ie = next(iter(previous_revisions.values()))
466
if ie._unchanged(previous_ie):
467
ie.revision = previous_ie.revision
470
f = self.branch.repository._text_store.get(ie.text_id)
472
file_lines = f.readlines()
475
w.add_lines(rev_id, previous_revisions, file_lines)
478
w.add_lines(rev_id, previous_revisions, [])
481
def _make_order(self):
482
"""Return a suitable order for importing revisions.
484
The order must be such that an revision is imported after all
485
its (present) parents.
487
todo = set(self.revisions)
488
done = self.absent_revisions.copy()
491
# scan through looking for a revision whose parents
493
for rev_id in sorted(list(todo)):
494
rev = self.revisions[rev_id]
495
parent_ids = set(rev.parent_ids)
496
if parent_ids.issubset(done):
497
# can take this one now
504
class ConvertBzrDir5To6(Converter):
505
"""Converts format 5 bzr dirs to format 6."""
507
def convert(self, to_convert, pb):
508
"""See Converter.convert()."""
509
self.controldir = to_convert
510
with ui.ui_factory.nested_progress_bar() as pb:
511
ui.ui_factory.note(gettext('starting upgrade from format 5 to 6'))
512
self._convert_to_prefixed()
513
return ControlDir.open(self.controldir.user_url)
515
def _convert_to_prefixed(self):
516
from .store import TransportStore
517
self.controldir.transport.delete('branch-format')
518
for store_name in ["weaves", "revision-store"]:
519
ui.ui_factory.note(gettext("adding prefixes to %s") % store_name)
520
store_transport = self.controldir.transport.clone(store_name)
521
store = TransportStore(store_transport, prefixed=True)
522
for urlfilename in store_transport.list_dir('.'):
523
filename = urlutils.unescape(urlfilename)
524
if (filename.endswith(".weave")
525
or filename.endswith(".gz")
526
or filename.endswith(".sig")):
527
file_id, suffix = os.path.splitext(filename)
531
new_name = store._mapper.map(
532
(file_id.encode('utf-8'),)) + suffix
533
# FIXME keep track of the dirs made RBC 20060121
535
store_transport.move(filename, new_name)
536
except errors.NoSuchFile: # catches missing dirs strangely enough
537
store_transport.mkdir(osutils.dirname(new_name))
538
store_transport.move(filename, new_name)
539
self.controldir.transport.put_bytes(
541
BzrDirFormat6().get_format_string(),
542
mode=self.controldir._get_file_mode())
545
class ConvertBzrDir6ToMeta(Converter):
546
"""Converts format 6 bzr dirs to metadirs."""
548
def convert(self, to_convert, pb):
549
"""See Converter.convert()."""
550
from .repository import RepositoryFormat7
551
from ...bzr.fullhistory import BzrBranchFormat5
552
self.controldir = to_convert
553
self.pb = ui.ui_factory.nested_progress_bar()
555
self.total = 20 # the steps we know about
556
self.garbage_inventories = []
557
self.dir_mode = self.controldir._get_dir_mode()
558
self.file_mode = self.controldir._get_file_mode()
561
gettext('starting upgrade from format 6 to metadir'))
562
self.controldir.transport.put_bytes(
564
b"Converting to format 6",
566
# its faster to move specific files around than to open and use the apis...
567
# first off, nuke ancestry.weave, it was never used.
569
self.step(gettext('Removing ancestry.weave'))
570
self.controldir.transport.delete('ancestry.weave')
571
except errors.NoSuchFile:
573
# find out whats there
574
self.step(gettext('Finding branch files'))
575
last_revision = self.controldir.open_branch().last_revision()
576
bzrcontents = self.controldir.transport.list_dir('.')
577
for name in bzrcontents:
578
if name.startswith('basis-inventory.'):
579
self.garbage_inventories.append(name)
580
# create new directories for repository, working tree and branch
581
repository_names = [('inventory.weave', True),
582
('revision-store', True),
584
self.step(gettext('Upgrading repository') + ' ')
585
self.controldir.transport.mkdir('repository', mode=self.dir_mode)
586
self.make_lock('repository')
587
# we hard code the formats here because we are converting into
588
# the meta format. The meta format upgrader can take this to a
589
# future format within each component.
590
self.put_format('repository', RepositoryFormat7())
591
for entry in repository_names:
592
self.move_entry('repository', entry)
594
self.step(gettext('Upgrading branch') + ' ')
595
self.controldir.transport.mkdir('branch', mode=self.dir_mode)
596
self.make_lock('branch')
597
self.put_format('branch', BzrBranchFormat5())
598
branch_files = [('revision-history', True),
599
('branch-name', True),
601
for entry in branch_files:
602
self.move_entry('branch', entry)
604
checkout_files = [('pending-merges', True),
606
('stat-cache', False)]
607
# If a mandatory checkout file is not present, the branch does not have
608
# a functional checkout. Do not create a checkout in the converted
610
for name, mandatory in checkout_files:
611
if mandatory and name not in bzrcontents:
617
ui.ui_factory.note(gettext('No working tree.'))
618
# If some checkout files are there, we may as well get rid of them.
619
for name, mandatory in checkout_files:
620
if name in bzrcontents:
621
self.controldir.transport.delete(name)
623
from ...bzr.workingtree_3 import WorkingTreeFormat3
624
self.step(gettext('Upgrading working tree'))
625
self.controldir.transport.mkdir('checkout', mode=self.dir_mode)
626
self.make_lock('checkout')
627
self.put_format('checkout', WorkingTreeFormat3())
628
for path in self.garbage_inventories:
629
self.controldir.transport.delete(path)
630
for entry in checkout_files:
631
self.move_entry('checkout', entry)
632
if last_revision is not None:
633
self.controldir.transport.put_bytes(
634
'checkout/last-revision', last_revision)
635
self.controldir.transport.put_bytes(
637
BzrDirMetaFormat1().get_format_string(),
640
return ControlDir.open(self.controldir.user_url)
642
def make_lock(self, name):
643
"""Make a lock for the new control dir name."""
644
self.step(gettext('Make %s lock') % name)
645
ld = lockdir.LockDir(self.controldir.transport,
647
file_modebits=self.file_mode,
648
dir_modebits=self.dir_mode)
651
def move_entry(self, new_dir, entry):
652
"""Move then entry name into new_dir."""
655
self.step(gettext('Moving %s') % name)
657
self.controldir.transport.move(name, '%s/%s' % (new_dir, name))
658
except errors.NoSuchFile:
662
def put_format(self, dirname, format):
663
self.controldir.transport.put_bytes('%s/format' % dirname,
664
format.get_format_string(),
668
class BzrDirFormat4(BzrDirFormat):
671
This format is a combined format for working tree, branch and repository.
673
- Format 1 working trees [always]
674
- Format 4 branches [always]
675
- Format 4 repositories [always]
677
This format is deprecated: it indexes texts using a text it which is
678
removed in format 5; write support for this format has been removed.
681
_lock_class = lockable_files.TransportLock
683
def __eq__(self, other):
684
return isinstance(self, type(other))
687
def get_format_string(cls):
688
"""See BzrDirFormat.get_format_string()."""
689
return b"Bazaar-NG branch, format 0.0.4\n"
691
def get_format_description(self):
692
"""See ControlDirFormat.get_format_description()."""
693
return "All-in-one format 4"
695
def get_converter(self, format=None):
696
"""See ControlDirFormat.get_converter()."""
697
# there is one and only one upgrade path here.
698
return ConvertBzrDir4To5()
700
def initialize_on_transport(self, transport):
701
"""Format 4 branches cannot be created."""
702
raise errors.UninitializableFormat(self)
704
def is_supported(self):
705
"""Format 4 is not supported.
707
It is not supported because the model changed from 4 to 5 and the
708
conversion logic is expensive - so doing it on the fly was not
713
def network_name(self):
714
return self.get_format_string()
716
def _open(self, transport):
717
"""See BzrDirFormat._open."""
718
return BzrDir4(transport, self)
720
def __return_repository_format(self):
721
"""Circular import protection."""
722
from .repository import RepositoryFormat4
723
return RepositoryFormat4()
724
repository_format = property(__return_repository_format)
727
def from_string(cls, format_string):
728
if format_string != cls.get_format_string():
729
raise AssertionError("unexpected format string %r" % format_string)
733
class BzrDirPreSplitOut(BzrDir):
734
"""A common class for the all-in-one formats."""
736
def __init__(self, _transport, _format):
737
"""See ControlDir.__init__."""
738
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
739
self._control_files = lockable_files.LockableFiles(
740
self.get_branch_transport(None),
741
self._format._lock_file_name,
742
self._format._lock_class)
744
def break_lock(self):
745
"""Pre-splitout bzrdirs do not suffer from stale locks."""
746
raise NotImplementedError(self.break_lock)
748
def cloning_metadir(self, require_stacking=False):
749
"""Produce a metadir suitable for cloning with."""
751
return format_registry.make_controldir('1.6')
752
return self._format.__class__()
754
def clone(self, url, revision_id=None, force_new_repo=False,
755
preserve_stacking=False):
756
"""See ControlDir.clone().
758
force_new_repo has no effect, since this family of formats always
759
require a new repository.
760
preserve_stacking has no effect, since no source branch using this
761
family of formats can be stacked, so there is no stacking to preserve.
764
result = self._format._initialize_for_clone(url)
765
self.open_repository().clone(result, revision_id=revision_id)
766
from_branch = self.open_branch()
767
from_branch.clone(result, revision_id=revision_id)
769
tree = self.open_workingtree()
770
except errors.NotLocalUrl:
771
# make a new one, this format always has to have one.
772
result._init_workingtree()
777
def create_branch(self, name=None, repository=None,
778
append_revisions_only=None):
779
"""See ControlDir.create_branch."""
780
if repository is not None:
781
raise NotImplementedError(
782
"create_branch(repository=<not None>) on %r" % (self,))
783
return self._format.get_branch_format().initialize(self, name=name,
784
append_revisions_only=append_revisions_only)
786
def destroy_branch(self, name=None):
787
"""See ControlDir.destroy_branch."""
788
raise errors.UnsupportedOperation(self.destroy_branch, self)
790
def create_repository(self, shared=False):
791
"""See ControlDir.create_repository."""
793
raise errors.IncompatibleFormat('shared repository', self._format)
794
return self.open_repository()
796
def destroy_repository(self):
797
"""See ControlDir.destroy_repository."""
798
raise errors.UnsupportedOperation(self.destroy_repository, self)
800
def create_workingtree(self, revision_id=None, from_branch=None,
801
accelerator_tree=None, hardlink=False):
802
"""See ControlDir.create_workingtree."""
803
# The workingtree is sometimes created when the bzrdir is created,
804
# but not when cloning.
806
# this looks buggy but is not -really-
807
# because this format creates the workingtree when the bzrdir is
809
# clone and sprout will have set the revision_id
810
# and that will have set it for us, its only
811
# specific uses of create_workingtree in isolation
812
# that can do wonky stuff here, and that only
813
# happens for creating checkouts, which cannot be
814
# done on this format anyway. So - acceptable wart.
816
warning("can't support hardlinked working trees in %r"
819
result = self.open_workingtree(recommend_upgrade=False)
820
except errors.NoSuchFile:
821
result = self._init_workingtree()
822
if revision_id is not None:
823
if revision_id == _mod_revision.NULL_REVISION:
824
result.set_parent_ids([])
826
result.set_parent_ids([revision_id])
829
def _init_workingtree(self):
830
from .workingtree import WorkingTreeFormat2
832
return WorkingTreeFormat2().initialize(self)
833
except errors.NotLocalUrl:
834
# Even though we can't access the working tree, we need to
835
# create its control files.
836
return WorkingTreeFormat2()._stub_initialize_on_transport(
837
self.transport, self._control_files._file_mode)
839
def destroy_workingtree(self):
840
"""See ControlDir.destroy_workingtree."""
841
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
843
def destroy_workingtree_metadata(self):
844
"""See ControlDir.destroy_workingtree_metadata."""
845
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
848
def get_branch_transport(self, branch_format, name=None):
849
"""See BzrDir.get_branch_transport()."""
851
raise errors.NoColocatedBranchSupport(self)
852
if branch_format is None:
853
return self.transport
855
branch_format.get_format_string()
856
except NotImplementedError:
857
return self.transport
858
raise errors.IncompatibleFormat(branch_format, self._format)
860
def get_repository_transport(self, repository_format):
861
"""See BzrDir.get_repository_transport()."""
862
if repository_format is None:
863
return self.transport
865
repository_format.get_format_string()
866
except NotImplementedError:
867
return self.transport
868
raise errors.IncompatibleFormat(repository_format, self._format)
870
def get_workingtree_transport(self, workingtree_format):
871
"""See BzrDir.get_workingtree_transport()."""
872
if workingtree_format is None:
873
return self.transport
875
workingtree_format.get_format_string()
876
except NotImplementedError:
877
return self.transport
878
raise errors.IncompatibleFormat(workingtree_format, self._format)
880
def needs_format_conversion(self, format):
881
"""See ControlDir.needs_format_conversion()."""
882
# if the format is not the same as the system default,
883
# an upgrade is needed.
884
return not isinstance(self._format, format.__class__)
886
def open_branch(self, name=None, unsupported=False,
887
ignore_fallbacks=False, possible_transports=None):
888
"""See ControlDir.open_branch."""
889
from .branch import BzrBranchFormat4
890
format = BzrBranchFormat4()
891
format.check_support_status(unsupported)
892
return format.open(self, name, _found=True,
893
possible_transports=possible_transports)
895
def sprout(self, url, revision_id=None, force_new_repo=False,
896
possible_transports=None, accelerator_tree=None,
897
hardlink=False, stacked=False, create_tree_if_local=True,
899
"""See ControlDir.sprout()."""
900
if source_branch is not None:
901
my_branch = self.open_branch()
902
if source_branch.base != my_branch.base:
903
raise AssertionError(
904
"source branch %r is not within %r with branch %r" %
905
(source_branch, self, my_branch))
907
raise _mod_branch.UnstackableBranchFormat(
908
self._format, self.root_transport.base)
909
if not create_tree_if_local:
910
raise MustHaveWorkingTree(
911
self._format, self.root_transport.base)
912
from .workingtree import WorkingTreeFormat2
914
result = self._format._initialize_for_clone(url)
916
self.open_repository().clone(result, revision_id=revision_id)
917
except errors.NoRepositoryPresent:
920
self.open_branch().sprout(result, revision_id=revision_id)
921
except errors.NotBranchError:
924
# we always want a working tree
925
WorkingTreeFormat2().initialize(result,
926
accelerator_tree=accelerator_tree,
930
def set_branch_reference(self, target_branch, name=None):
931
from ...bzr.branch import BranchReferenceFormat
933
raise errors.NoColocatedBranchSupport(self)
934
raise errors.IncompatibleFormat(BranchReferenceFormat, self._format)
937
class BzrDir4(BzrDirPreSplitOut):
938
"""A .bzr version 4 control object.
940
This is a deprecated format and may be removed after sept 2006.
943
def create_repository(self, shared=False):
944
"""See ControlDir.create_repository."""
945
return self._format.repository_format.initialize(self, shared)
947
def needs_format_conversion(self, format):
948
"""Format 4 dirs are always in need of conversion."""
951
def open_repository(self):
952
"""See ControlDir.open_repository."""
953
from .repository import RepositoryFormat4
954
return RepositoryFormat4().open(self, _found=True)
957
class BzrDir5(BzrDirPreSplitOut):
958
"""A .bzr version 5 control object.
960
This is a deprecated format and may be removed after sept 2006.
963
def has_workingtree(self):
964
"""See ControlDir.has_workingtree."""
967
def open_repository(self):
968
"""See ControlDir.open_repository."""
969
from .repository import RepositoryFormat5
970
return RepositoryFormat5().open(self, _found=True)
972
def open_workingtree(self, unsupported=False,
973
recommend_upgrade=True):
974
"""See ControlDir.create_workingtree."""
975
from .workingtree import WorkingTreeFormat2
976
wt_format = WorkingTreeFormat2()
977
# we don't warn here about upgrades; that ought to be handled for the
979
return wt_format.open(self, _found=True)
982
class BzrDir6(BzrDirPreSplitOut):
983
"""A .bzr version 6 control object.
985
This is a deprecated format and may be removed after sept 2006.
988
def has_workingtree(self):
989
"""See ControlDir.has_workingtree."""
992
def open_repository(self):
993
"""See ControlDir.open_repository."""
994
from .repository import RepositoryFormat6
995
return RepositoryFormat6().open(self, _found=True)
997
def open_workingtree(self, unsupported=False, recommend_upgrade=True):
998
"""See ControlDir.create_workingtree."""
999
# we don't warn here about upgrades; that ought to be handled for the
1001
from .workingtree import WorkingTreeFormat2
1002
return WorkingTreeFormat2().open(self, _found=True)
added
removed
breezy/plugins/weave_fmt/bzrdir.py
