110
116
thing_to_unlock.break_lock()
112
def can_convert_format(self):
113
"""Return true if this bzrdir is one whose format we can convert from."""
116
118
def check_conversion_target(self, target_format):
119
"""Check that a bzrdir as a whole can be converted to a new format."""
120
# The only current restriction is that the repository content can be
121
# fetched compatibly with the target.
117
122
target_repo_format = target_format.repository_format
118
source_repo_format = self._format.repository_format
119
source_repo_format.check_conversion_target(target_repo_format)
122
def _check_supported(format, allow_unsupported,
123
recommend_upgrade=True,
125
"""Give an error or warning on old formats.
127
:param format: may be any kind of format - workingtree, branch,
130
:param allow_unsupported: If true, allow opening
131
formats that are strongly deprecated, and which may
132
have limited functionality.
134
:param recommend_upgrade: If true (default), warn
135
the user through the ui object that they may wish
136
to upgrade the object.
138
# TODO: perhaps move this into a base Format class; it's not BzrDir
139
# specific. mbp 20070323
140
if not allow_unsupported and not format.is_supported():
141
# see open_downlevel to open legacy branches.
142
raise errors.UnsupportedFormatError(format=format)
143
if recommend_upgrade \
144
and getattr(format, 'upgrade_recommended', False):
145
ui.ui_factory.recommend_upgrade(
146
format.get_format_description(),
149
def clone(self, url, revision_id=None, force_new_repo=False):
150
"""Clone this bzrdir and its contents to url verbatim.
152
If urls last component does not exist, it will be created.
154
if revision_id is not None, then the clone operation may tune
155
itself to download less data.
156
:param force_new_repo: Do not use a shared repository for the target
157
even if one is available.
159
return self.clone_on_transport(get_transport(url),
160
revision_id=revision_id,
161
force_new_repo=force_new_repo)
124
self.open_repository()._format.check_conversion_target(
126
except errors.NoRepositoryPresent:
127
# No repo, no problem.
163
130
def clone_on_transport(self, transport, revision_id=None,
164
force_new_repo=False):
131
force_new_repo=False, preserve_stacking=False, stacked_on=None,
132
create_prefix=False, use_existing_dir=True, no_tree=False):
165
133
"""Clone this bzrdir and its contents to transport verbatim.
167
If the target directory does not exist, it will be created.
169
if revision_id is not None, then the clone operation may tune
135
:param transport: The transport for the location to produce the clone
136
at. If the target directory does not exist, it will be created.
137
:param revision_id: The tip revision-id to use for any branch or
138
working tree. If not None, then the clone operation may tune
170
139
itself to download less data.
171
:param force_new_repo: Do not use a shared repository for the target
140
:param force_new_repo: Do not use a shared repository for the target,
172
141
even if one is available.
142
:param preserve_stacking: When cloning a stacked branch, stack the
143
new branch on top of the other branch's stacked-on branch.
144
:param create_prefix: Create any missing directories leading up to
146
:param use_existing_dir: Use an existing directory if one exists.
147
:param no_tree: If set to true prevents creation of a working tree.
174
transport.ensure_base()
175
result = self._format.initialize_on_transport(transport)
149
# Overview: put together a broad description of what we want to end up
150
# with; then make as few api calls as possible to do it.
152
# We may want to create a repo/branch/tree, if we do so what format
153
# would we want for each:
154
require_stacking = (stacked_on is not None)
155
format = self.cloning_metadir(require_stacking)
157
# Figure out what objects we want:
177
159
local_repo = self.find_repository()
178
160
except errors.NoRepositoryPresent:
179
161
local_repo = None
163
local_branch = self.open_branch()
164
except errors.NotBranchError:
167
# enable fallbacks when branch is not a branch reference
168
if local_branch.repository.has_same_location(local_repo):
169
local_repo = local_branch.repository
170
if preserve_stacking:
172
stacked_on = local_branch.get_stacked_on_url()
173
except (errors.UnstackableBranchFormat,
174
errors.UnstackableRepositoryFormat,
177
# Bug: We create a metadir without knowing if it can support stacking,
178
# we should look up the policy needs first, or just use it as a hint,
181
# may need to copy content in
183
result_repo = local_repo.clone(
185
revision_id=revision_id)
186
result_repo.set_make_working_trees(local_repo.make_working_trees())
189
result_repo = result.find_repository()
190
# fetch content this dir needs.
181
make_working_trees = local_repo.make_working_trees() and not no_tree
182
want_shared = local_repo.is_shared()
183
repo_format_name = format.repository_format.network_name()
185
make_working_trees = False
187
repo_format_name = None
189
result_repo, result, require_stacking, repository_policy = \
190
format.initialize_on_transport_ex(transport,
191
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
192
force_new_repo=force_new_repo, stacked_on=stacked_on,
193
stack_on_pwd=self.root_transport.base,
194
repo_format_name=repo_format_name,
195
make_working_trees=make_working_trees, shared_repo=want_shared)
198
# If the result repository is in the same place as the
199
# resulting bzr dir, it will have no content, further if the
200
# result is not stacked then we know all content should be
201
# copied, and finally if we are copying up to a specific
202
# revision_id then we can use the pending-ancestry-result which
203
# does not require traversing all of history to describe it.
204
if (result_repo.user_url == result.user_url
205
and not require_stacking and
206
revision_id is not None):
207
fetch_spec = vf_search.PendingAncestryResult(
208
[revision_id], local_repo)
209
result_repo.fetch(local_repo, fetch_spec=fetch_spec)
191
211
result_repo.fetch(local_repo, revision_id=revision_id)
192
except errors.NoRepositoryPresent:
193
# needed to make one anyway.
194
result_repo = local_repo.clone(
196
revision_id=revision_id)
197
result_repo.set_make_working_trees(local_repo.make_working_trees())
215
if result_repo is not None:
216
raise AssertionError('result_repo not None(%r)' % result_repo)
198
217
# 1 if there is a branch present
199
218
# make sure its content is available in the target repository
202
self.open_branch().clone(result, revision_id=revision_id)
203
except errors.NotBranchError:
206
self.open_workingtree().clone(result)
220
if local_branch is not None:
221
result_branch = local_branch.clone(result, revision_id=revision_id,
222
repository_policy=repository_policy)
224
# Cheaper to check if the target is not local, than to try making
226
result.root_transport.local_abspath('.')
227
if result_repo is None or result_repo.make_working_trees():
228
self.open_workingtree().clone(result, revision_id=revision_id)
207
229
except (errors.NoWorkingTree, errors.NotLocalUrl):
211
233
# TODO: This should be given a Transport, and should chdir up; otherwise
212
234
# this will open a new connection.
213
235
def _make_tail(self, url):
214
t = get_transport(url)
218
def create(cls, base, format=None, possible_transports=None):
219
"""Create a new BzrDir at the url 'base'.
221
This will call the current default formats initialize with base
222
as the only parameter.
224
:param format: If supplied, the format of branch to create. If not
225
supplied, the default is used.
226
:param possible_transports: If supplied, a list of transports that
227
can be reused to share a remote connection.
229
if cls is not BzrDir:
230
raise AssertionError("BzrDir.create always creates the default"
231
" format, not one of %r" % cls)
232
t = get_transport(base, possible_transports)
235
format = BzrDirFormat.get_default_format()
236
return format.initialize(base, possible_transports)
238
def create_branch(self):
239
"""Create a branch in this BzrDir.
241
The bzrdirs format will control what branch format is created.
242
For more control see BranchFormatXX.create(a_bzrdir).
244
raise NotImplementedError(self.create_branch)
247
def create_branch_and_repo(base, force_new_repo=False, format=None):
248
"""Create a new BzrDir, Branch and Repository at the url 'base'.
250
This will use the current default BzrDirFormat, and use whatever
251
repository format that that uses via bzrdir.create_branch and
252
create_repository. If a shared repository is available that is used
255
The created Branch object is returned.
257
:param base: The URL to create the branch at.
258
:param force_new_repo: If True a new repository is always created.
260
bzrdir = BzrDir.create(base, format)
261
bzrdir._find_or_create_repository(force_new_repo)
262
return bzrdir.create_branch()
236
t = _mod_transport.get_transport(url)
239
def determine_repository_policy(self, force_new_repo=False, stack_on=None,
240
stack_on_pwd=None, require_stacking=False):
241
"""Return an object representing a policy to use.
243
This controls whether a new repository is created, and the format of
244
that repository, or some existing shared repository used instead.
246
If stack_on is supplied, will not seek a containing shared repo.
248
:param force_new_repo: If True, require a new repository to be created.
249
:param stack_on: If supplied, the location to stack on. If not
250
supplied, a default_stack_on location may be used.
251
:param stack_on_pwd: If stack_on is relative, the location it is
254
def repository_policy(found_bzrdir):
257
config = found_bzrdir.get_config()
259
stack_on = config.get_default_stack_on()
260
if stack_on is not None:
261
stack_on_pwd = found_bzrdir.user_url
263
# does it have a repository ?
265
repository = found_bzrdir.open_repository()
266
except errors.NoRepositoryPresent:
269
if (found_bzrdir.user_url != self.user_url
270
and not repository.is_shared()):
271
# Don't look higher, can't use a higher shared repo.
279
return UseExistingRepository(repository, stack_on,
280
stack_on_pwd, require_stacking=require_stacking), True
282
return CreateRepository(self, stack_on, stack_on_pwd,
283
require_stacking=require_stacking), True
285
if not force_new_repo:
287
policy = self._find_containing(repository_policy)
288
if policy is not None:
292
return UseExistingRepository(self.open_repository(),
293
stack_on, stack_on_pwd,
294
require_stacking=require_stacking)
295
except errors.NoRepositoryPresent:
297
return CreateRepository(self, stack_on, stack_on_pwd,
298
require_stacking=require_stacking)
264
300
def _find_or_create_repository(self, force_new_repo):
265
301
"""Create a new repository if needed, returning the repository."""
267
return self.create_repository()
269
return self.find_repository()
270
except errors.NoRepositoryPresent:
271
return self.create_repository()
302
policy = self.determine_repository_policy(force_new_repo)
303
return policy.acquire_repository()[0]
305
def _find_source_repo(self, add_cleanup, source_branch):
306
"""Find the source branch and repo for a sprout operation.
274
def create_branch_convenience(base, force_new_repo=False,
275
force_new_tree=None, format=None,
276
possible_transports=None):
277
"""Create a new BzrDir, Branch and Repository at the url 'base'.
279
This is a convenience function - it will use an existing repository
280
if possible, can be told explicitly whether to create a working tree or
283
This will use the current default BzrDirFormat, and use whatever
284
repository format that that uses via bzrdir.create_branch and
285
create_repository. If a shared repository is available that is used
286
preferentially. Whatever repository is used, its tree creation policy
289
The created Branch object is returned.
290
If a working tree cannot be made due to base not being a file:// url,
291
no error is raised unless force_new_tree is True, in which case no
292
data is created on disk and NotLocalUrl is raised.
294
:param base: The URL to create the branch at.
295
:param force_new_repo: If True a new repository is always created.
296
:param force_new_tree: If True or False force creation of a tree or
297
prevent such creation respectively.
298
:param format: Override for the for the bzrdir format to create.
299
:param possible_transports: An optional reusable transports list.
302
# check for non local urls
303
t = get_transport(base, possible_transports)
304
if not isinstance(t, LocalTransport):
305
raise errors.NotLocalUrl(base)
306
bzrdir = BzrDir.create(base, format, possible_transports)
307
repo = bzrdir._find_or_create_repository(force_new_repo)
308
result = bzrdir.create_branch()
309
if force_new_tree or (repo.make_working_trees() and
310
force_new_tree is None):
312
bzrdir.create_workingtree()
313
except errors.NotLocalUrl:
308
This is helper intended for use by _sprout.
310
:returns: (source_branch, source_repository). Either or both may be
311
None. If not None, they will be read-locked (and their unlock(s)
312
scheduled via the add_cleanup param).
314
if source_branch is not None:
315
add_cleanup(source_branch.lock_read().unlock)
316
return source_branch, source_branch.repository
318
source_branch = self.open_branch()
319
source_repository = source_branch.repository
320
except errors.NotBranchError:
323
source_repository = self.open_repository()
324
except errors.NoRepositoryPresent:
325
source_repository = None
327
add_cleanup(source_repository.lock_read().unlock)
329
add_cleanup(source_branch.lock_read().unlock)
330
return source_branch, source_repository
332
def sprout(self, url, revision_id=None, force_new_repo=False,
333
recurse='down', possible_transports=None,
334
accelerator_tree=None, hardlink=False, stacked=False,
335
source_branch=None, create_tree_if_local=True):
336
"""Create a copy of this controldir prepared for use as a new line of
339
If url's last component does not exist, it will be created.
341
Attributes related to the identity of the source branch like
342
branch nickname will be cleaned, a working tree is created
343
whether one existed before or not; and a local branch is always
346
if revision_id is not None, then the clone operation may tune
347
itself to download less data.
349
:param accelerator_tree: A tree which can be used for retrieving file
350
contents more quickly than the revision tree, i.e. a workingtree.
351
The revision tree will be used for cases where accelerator_tree's
352
content is different.
353
:param hardlink: If true, hard-link files from accelerator_tree,
355
:param stacked: If true, create a stacked branch referring to the
356
location of this control directory.
357
:param create_tree_if_local: If true, a working-tree will be created
358
when working locally.
359
:return: The created control directory
361
operation = cleanup.OperationWithCleanups(self._sprout)
362
return operation.run(url, revision_id=revision_id,
363
force_new_repo=force_new_repo, recurse=recurse,
364
possible_transports=possible_transports,
365
accelerator_tree=accelerator_tree, hardlink=hardlink,
366
stacked=stacked, source_branch=source_branch,
367
create_tree_if_local=create_tree_if_local)
369
def _sprout(self, op, url, revision_id=None, force_new_repo=False,
370
recurse='down', possible_transports=None,
371
accelerator_tree=None, hardlink=False, stacked=False,
372
source_branch=None, create_tree_if_local=True):
373
add_cleanup = op.add_cleanup
374
fetch_spec_factory = fetch.FetchSpecFactory()
375
if revision_id is not None:
376
fetch_spec_factory.add_revision_ids([revision_id])
377
fetch_spec_factory.source_branch_stop_revision_id = revision_id
378
if possible_transports is None:
379
possible_transports = []
381
possible_transports = list(possible_transports) + [
383
target_transport = _mod_transport.get_transport(url,
385
target_transport.ensure_base()
386
cloning_format = self.cloning_metadir(stacked)
387
# Create/update the result branch
389
result = controldir.ControlDir.open_from_transport(target_transport)
390
except errors.NotBranchError:
391
result = cloning_format.initialize_on_transport(target_transport)
392
source_branch, source_repository = self._find_source_repo(
393
add_cleanup, source_branch)
394
fetch_spec_factory.source_branch = source_branch
395
# if a stacked branch wasn't requested, we don't create one
396
# even if the origin was stacked
397
if stacked and source_branch is not None:
398
stacked_branch_url = self.root_transport.base
400
stacked_branch_url = None
401
repository_policy = result.determine_repository_policy(
402
force_new_repo, stacked_branch_url, require_stacking=stacked)
403
result_repo, is_new_repo = repository_policy.acquire_repository(
404
possible_transports=possible_transports)
405
add_cleanup(result_repo.lock_write().unlock)
406
fetch_spec_factory.source_repo = source_repository
407
fetch_spec_factory.target_repo = result_repo
408
if stacked or (len(result_repo._fallback_repositories) != 0):
409
target_repo_kind = fetch.TargetRepoKinds.STACKED
411
target_repo_kind = fetch.TargetRepoKinds.EMPTY
413
target_repo_kind = fetch.TargetRepoKinds.PREEXISTING
414
fetch_spec_factory.target_repo_kind = target_repo_kind
415
if source_repository is not None:
416
fetch_spec = fetch_spec_factory.make_fetch_spec()
417
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
419
if source_branch is None:
420
# this is for sprouting a controldir without a branch; is that
422
# Not especially, but it's part of the contract.
423
result_branch = result.create_branch()
425
result_branch = source_branch.sprout(result,
426
revision_id=revision_id, repository_policy=repository_policy,
427
repository=result_repo)
428
mutter("created new branch %r" % (result_branch,))
430
# Create/update the result working tree
431
if (create_tree_if_local and not result.has_workingtree() and
432
isinstance(target_transport, local.LocalTransport) and
433
(result_repo is None or result_repo.make_working_trees())):
434
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
435
hardlink=hardlink, from_branch=result_branch)
438
if wt.path2id('') is None:
440
wt.set_root_id(self.open_workingtree.get_root_id())
441
except errors.NoWorkingTree:
447
if recurse == 'down':
450
basis = wt.basis_tree()
451
elif result_branch is not None:
452
basis = result_branch.basis_tree()
453
elif source_branch is not None:
454
basis = source_branch.basis_tree()
455
if basis is not None:
456
add_cleanup(basis.lock_read().unlock)
457
subtrees = basis.iter_references()
460
for path, file_id in subtrees:
461
target = urlutils.join(url, urlutils.escape(path))
462
sublocation = source_branch.reference_parent(file_id, path)
463
sublocation.bzrdir.sprout(target,
464
basis.get_reference_revision(file_id, path),
465
force_new_repo=force_new_repo, recurse=recurse,
318
@deprecated_function(zero_ninetyone)
319
def create_repository(base, shared=False, format=None):
320
"""Create a new BzrDir and Repository at the url 'base'.
322
If no format is supplied, this will default to the current default
323
BzrDirFormat by default, and use whatever repository format that that
324
uses for bzrdirformat.create_repository.
326
:param shared: Create a shared repository rather than a standalone
328
The Repository object is returned.
330
This must be overridden as an instance method in child classes, where
331
it should take no parameters and construct whatever repository format
332
that child class desires.
334
This method is deprecated, please call create_repository on a bzrdir
337
bzrdir = BzrDir.create(base, format)
338
return bzrdir.create_repository(shared)
341
def create_standalone_workingtree(base, format=None):
342
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
344
'base' must be a local path or a file:// url.
346
This will use the current default BzrDirFormat, and use whatever
347
repository format that that uses for bzrdirformat.create_workingtree,
348
create_branch and create_repository.
350
:return: The WorkingTree object.
352
t = get_transport(base)
353
if not isinstance(t, LocalTransport):
354
raise errors.NotLocalUrl(base)
355
bzrdir = BzrDir.create_branch_and_repo(base,
357
format=format).bzrdir
358
return bzrdir.create_workingtree()
360
def create_workingtree(self, revision_id=None):
361
"""Create a working tree at this BzrDir.
363
revision_id: create it as of this revision id.
365
raise NotImplementedError(self.create_workingtree)
367
def retire_bzrdir(self):
469
def _available_backup_name(self, base):
470
"""Find a non-existing backup file name based on base.
472
See bzrlib.osutils.available_backup_name about race conditions.
474
return osutils.available_backup_name(base, self.root_transport.has)
476
def backup_bzrdir(self):
477
"""Backup this bzr control directory.
479
:return: Tuple with old path name and new path name
482
pb = ui.ui_factory.nested_progress_bar()
484
old_path = self.root_transport.abspath('.bzr')
485
backup_dir = self._available_backup_name('backup.bzr')
486
new_path = self.root_transport.abspath(backup_dir)
487
ui.ui_factory.note(gettext('making backup of {0}\n to {1}').format(
488
urlutils.unescape_for_display(old_path, 'utf-8'),
489
urlutils.unescape_for_display(new_path, 'utf-8')))
490
self.root_transport.copy_tree('.bzr', backup_dir)
491
return (old_path, new_path)
495
def retire_bzrdir(self, limit=10000):
368
496
"""Permanently disable the bzrdir.
370
498
This is done by renaming it to give the user some ability to recover
373
501
This will have horrible consequences if anyone has anything locked or
503
:param limit: number of times to retry
376
for i in xrange(10000):
378
508
to_path = '.bzr.retired.%d' % i
379
509
self.root_transport.rename('.bzr', to_path)
380
note("renamed %s to %s"
381
% (self.root_transport.abspath('.bzr'), to_path))
510
note(gettext("renamed {0} to {1}").format(
511
self.root_transport.abspath('.bzr'), to_path))
383
513
except (errors.TransportError, IOError, errors.PathError):
386
def destroy_workingtree(self):
387
"""Destroy the working tree at this BzrDir.
389
Formats that do not support this may raise UnsupportedOperation.
391
raise NotImplementedError(self.destroy_workingtree)
393
def destroy_workingtree_metadata(self):
394
"""Destroy the control files for the working tree at this BzrDir.
396
The contents of working tree files are not affected.
397
Formats that do not support this may raise UnsupportedOperation.
399
raise NotImplementedError(self.destroy_workingtree_metadata)
520
def _find_containing(self, evaluate):
521
"""Find something in a containing control directory.
523
This method will scan containing control dirs, until it finds what
524
it is looking for, decides that it will never find it, or runs out
525
of containing control directories to check.
527
It is used to implement find_repository and
528
determine_repository_policy.
530
:param evaluate: A function returning (value, stop). If stop is True,
531
the value will be returned.
535
result, stop = evaluate(found_bzrdir)
538
next_transport = found_bzrdir.root_transport.clone('..')
539
if (found_bzrdir.user_url == next_transport.base):
540
# top of the file system
542
# find the next containing bzrdir
544
found_bzrdir = self.open_containing_from_transport(
546
except errors.NotBranchError:
401
549
def find_repository(self):
402
"""Find the repository that should be used for a_bzrdir.
550
"""Find the repository that should be used.
404
552
This does not require a branch as we use it to find the repo for
405
553
new branches as well as to hook existing branches up to their
409
return self.open_repository()
410
except errors.NoRepositoryPresent:
412
next_transport = self.root_transport.clone('..')
414
# find the next containing bzrdir
416
found_bzrdir = BzrDir.open_containing_from_transport(
418
except errors.NotBranchError:
420
raise errors.NoRepositoryPresent(self)
556
def usable_repository(found_bzrdir):
421
557
# does it have a repository ?
423
559
repository = found_bzrdir.open_repository()
424
560
except errors.NoRepositoryPresent:
425
next_transport = found_bzrdir.root_transport.clone('..')
426
if (found_bzrdir.root_transport.base == next_transport.base):
427
# top of the file system
431
if ((found_bzrdir.root_transport.base ==
432
self.root_transport.base) or repository.is_shared()):
435
raise errors.NoRepositoryPresent(self)
436
raise errors.NoRepositoryPresent(self)
438
def get_branch_reference(self):
439
"""Return the referenced URL for the branch in this bzrdir.
441
:raises NotBranchError: If there is no Branch.
442
:return: The URL the branch in this bzrdir references if it is a
443
reference branch, or None for regular branches.
562
if found_bzrdir.user_url == self.user_url:
563
return repository, True
564
elif repository.is_shared():
565
return repository, True
569
found_repo = self._find_containing(usable_repository)
570
if found_repo is None:
571
raise errors.NoRepositoryPresent(self)
574
def _find_creation_modes(self):
575
"""Determine the appropriate modes for files and directories.
577
They're always set to be consistent with the base directory,
578
assuming that this transport allows setting modes.
580
# TODO: Do we need or want an option (maybe a config setting) to turn
581
# this off or override it for particular locations? -- mbp 20080512
582
if self._mode_check_done:
584
self._mode_check_done = True
586
st = self.transport.stat('.')
587
except errors.TransportNotPossible:
588
self._dir_mode = None
589
self._file_mode = None
591
# Check the directory mode, but also make sure the created
592
# directories and files are read-write for this user. This is
593
# mostly a workaround for filesystems which lie about being able to
594
# write to a directory (cygwin & win32)
595
if (st.st_mode & 07777 == 00000):
596
# FTP allows stat but does not return dir/file modes
597
self._dir_mode = None
598
self._file_mode = None
600
self._dir_mode = (st.st_mode & 07777) | 00700
601
# Remove the sticky and execute bits for files
602
self._file_mode = self._dir_mode & ~07111
604
def _get_file_mode(self):
605
"""Return Unix mode for newly created files, or None.
607
if not self._mode_check_done:
608
self._find_creation_modes()
609
return self._file_mode
611
def _get_dir_mode(self):
612
"""Return Unix mode for newly created directories, or None.
614
if not self._mode_check_done:
615
self._find_creation_modes()
616
return self._dir_mode
618
def get_config(self):
619
"""Get configuration for this BzrDir."""
620
return config.BzrDirConfig(self)
622
def _get_config(self):
623
"""By default, no configuration is available."""
447
def get_branch_transport(self, branch_format):
448
"""Get the transport for use by branch format in this BzrDir.
450
Note that bzr dirs that do not support format strings will raise
451
IncompatibleFormat if the branch format they are given has
452
a format string, and vice versa.
454
If branch_format is None, the transport is returned with no
455
checking. if it is not None, then the returned transport is
456
guaranteed to point to an existing directory ready for use.
458
raise NotImplementedError(self.get_branch_transport)
460
def get_repository_transport(self, repository_format):
461
"""Get the transport for use by repository format in this BzrDir.
463
Note that bzr dirs that do not support format strings will raise
464
IncompatibleFormat if the repository format they are given has
465
a format string, and vice versa.
467
If repository_format is None, the transport is returned with no
468
checking. if it is not None, then the returned transport is
469
guaranteed to point to an existing directory ready for use.
471
raise NotImplementedError(self.get_repository_transport)
473
def get_workingtree_transport(self, tree_format):
474
"""Get the transport for use by workingtree format in this BzrDir.
476
Note that bzr dirs that do not support format strings will raise
477
IncompatibleFormat if the workingtree format they are given has a
478
format string, and vice versa.
480
If workingtree_format is None, the transport is returned with no
481
checking. if it is not None, then the returned transport is
482
guaranteed to point to an existing directory ready for use.
484
raise NotImplementedError(self.get_workingtree_transport)
486
626
def __init__(self, _transport, _format):
487
627
"""Initialize a Bzr control dir object.
489
629
Only really common logic should reside here, concrete classes should be
490
630
made with varying behaviours.
493
633
:param _transport: the transport this dir is based at.
495
635
self._format = _format
636
# these are also under the more standard names of
637
# control_transport and user_transport
496
638
self.transport = _transport.clone('.bzr')
497
639
self.root_transport = _transport
640
self._mode_check_done = False
643
def user_transport(self):
644
return self.root_transport
647
def control_transport(self):
648
return self.transport
499
650
def is_control_filename(self, filename):
500
651
"""True if filename is the name of a path which is reserved for bzrdir's.
502
653
:param filename: A filename within the root transport of this bzrdir.
504
655
This is true IF and ONLY IF the filename is part of the namespace reserved
505
656
for bzr control dirs. Currently this is the '.bzr' directory in the root
506
of the root_transport. it is expected that plugins will need to extend
507
this in the future - for instance to make bzr talk with svn working
657
of the root_transport.
510
# this might be better on the BzrDirFormat class because it refers to
511
# all the possible bzrdir disk formats.
512
# This method is tested via the workingtree is_control_filename tests-
513
# it was extracted from WorkingTree.is_control_filename. If the methods
514
# contract is extended beyond the current trivial implementation please
659
# this might be better on the BzrDirFormat class because it refers to
660
# all the possible bzrdir disk formats.
661
# This method is tested via the workingtree is_control_filename tests-
662
# it was extracted from WorkingTree.is_control_filename. If the method's
663
# contract is extended beyond the current trivial implementation, please
515
664
# add new tests for it to the appropriate place.
516
665
return filename == '.bzr' or filename.startswith('.bzr/')
518
def needs_format_conversion(self, format=None):
519
"""Return true if this bzrdir needs convert_format run on it.
521
For instance, if the repository format is out of date but the
522
branch and working tree are not, this should return True.
524
:param format: Optional parameter indicating a specific desired
525
format we plan to arrive at.
527
raise NotImplementedError(self.needs_format_conversion)
530
def open_unsupported(base):
531
"""Open a branch which is not supported."""
532
return BzrDir.open(base, _unsupported=True)
535
def open(base, _unsupported=False):
536
"""Open an existing bzrdir, rooted at 'base' (url)
538
_unsupported is a private parameter to the BzrDir class.
540
t = get_transport(base)
541
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
544
def open_from_transport(transport, _unsupported=False,
545
_server_formats=True):
546
"""Open a bzrdir within a particular directory.
548
:param transport: Transport containing the bzrdir.
549
:param _unsupported: private.
551
base = transport.base
553
def find_format(transport):
554
return transport, BzrDirFormat.find_format(
555
transport, _server_formats=_server_formats)
557
def redirected(transport, e, redirection_notice):
558
qualified_source = e.get_source_url()
559
relpath = transport.relpath(qualified_source)
560
if not e.target.endswith(relpath):
561
# Not redirected to a branch-format, not a branch
562
raise errors.NotBranchError(path=e.target)
563
target = e.target[:-len(relpath)]
564
note('%s is%s redirected to %s',
565
transport.base, e.permanently, target)
566
# Let's try with a new transport
567
qualified_target = e.get_target_url()[:-len(relpath)]
568
# FIXME: If 'transport' has a qualifier, this should
569
# be applied again to the new transport *iff* the
570
# schemes used are the same. It's a bit tricky to
571
# verify, so I'll punt for now
573
return get_transport(target)
576
transport, format = do_catching_redirections(find_format,
579
except errors.TooManyRedirections:
580
raise errors.NotBranchError(base)
582
BzrDir._check_supported(format, _unsupported)
583
return format.open(transport, _found=True)
585
def open_branch(self, unsupported=False):
586
"""Open the branch object at this BzrDir if one is present.
588
If unsupported is True, then no longer supported branch formats can
591
TODO: static convenience version of this?
593
raise NotImplementedError(self.open_branch)
596
def open_containing(url, possible_transports=None):
597
"""Open an existing branch which contains url.
599
:param url: url to search from.
600
See open_containing_from_transport for more detail.
602
transport = get_transport(url, possible_transports)
603
return BzrDir.open_containing_from_transport(transport)
606
def open_containing_from_transport(a_transport):
607
"""Open an existing branch which contains a_transport.base
609
This probes for a branch at a_transport, and searches upwards from there.
611
Basically we keep looking up until we find the control directory or
612
run into the root. If there isn't one, raises NotBranchError.
613
If there is one and it is either an unrecognised format or an unsupported
614
format, UnknownFormatError or UnsupportedFormatError are raised.
615
If there is one, it is returned, along with the unused portion of url.
617
:return: The BzrDir that contains the path, and a Unicode path
618
for the rest of the URL.
620
# this gets the normalised url back. I.e. '.' -> the full path.
621
url = a_transport.base
624
result = BzrDir.open_from_transport(a_transport)
625
return result, urlutils.unescape(a_transport.relpath(url))
626
except errors.NotBranchError, e:
629
new_t = a_transport.clone('..')
630
except errors.InvalidURLJoin:
631
# reached the root, whatever that may be
632
raise errors.NotBranchError(path=url)
633
if new_t.base == a_transport.base:
634
# reached the root, whatever that may be
635
raise errors.NotBranchError(path=url)
639
def open_containing_tree_or_branch(klass, location):
640
"""Return the branch and working tree contained by a location.
642
Returns (tree, branch, relpath).
643
If there is no tree at containing the location, tree will be None.
644
If there is no branch containing the location, an exception will be
646
relpath is the portion of the path that is contained by the branch.
648
bzrdir, relpath = klass.open_containing(location)
650
tree = bzrdir.open_workingtree()
651
except (errors.NoWorkingTree, errors.NotLocalUrl):
653
branch = bzrdir.open_branch()
656
return tree, branch, relpath
658
def open_repository(self, _unsupported=False):
659
"""Open the repository object at this BzrDir if one is present.
661
This will not follow the Branch object pointer - its strictly a direct
662
open facility. Most client code should use open_branch().repository to
665
_unsupported is a private parameter, not part of the api.
666
TODO: static convenience version of this?
668
raise NotImplementedError(self.open_repository)
670
def open_workingtree(self, _unsupported=False,
671
recommend_upgrade=True):
672
"""Open the workingtree object at this BzrDir if one is present.
674
:param recommend_upgrade: Optional keyword parameter, when True (the
675
default), emit through the ui module a recommendation that the user
676
upgrade the working tree when the workingtree being opened is old
677
(but still fully supported).
679
raise NotImplementedError(self.open_workingtree)
681
def has_branch(self):
682
"""Tell if this bzrdir contains a branch.
684
Note: if you're going to open the branch, you should just go ahead
685
and try, and not ask permission first. (This method just opens the
686
branch and discards it, and that's somewhat expensive.)
691
except errors.NotBranchError:
694
def has_workingtree(self):
695
"""Tell if this bzrdir contains a working tree.
697
This will still raise an exception if the bzrdir has a workingtree that
698
is remote & inaccessible.
700
Note: if you're going to open the working tree, you should just go ahead
701
and try, and not ask permission first. (This method just opens the
702
workingtree and discards it, and that's somewhat expensive.)
705
self.open_workingtree(recommend_upgrade=False)
707
except errors.NoWorkingTree:
710
667
def _cloning_metadir(self):
711
"""Produce a metadir suitable for cloning with"""
668
"""Produce a metadir suitable for cloning with.
670
:returns: (destination_bzrdir_format, source_repository)
712
672
result_format = self._format.__class__()
715
branch = self.open_branch()
675
branch = self.open_branch(ignore_fallbacks=True)
716
676
source_repository = branch.repository
677
result_format._branch_format = branch._format
717
678
except errors.NotBranchError:
718
679
source_branch = None
719
680
source_repository = self.open_repository()
737
700
result_format.workingtree_format = tree._format.__class__()
738
701
return result_format, source_repository
740
def cloning_metadir(self):
703
def cloning_metadir(self, require_stacking=False):
741
704
"""Produce a metadir suitable for cloning or sprouting with.
743
706
These operations may produce workingtrees (yes, even though they're
744
"cloning" something that doesn't have a tree, so a viable workingtree
707
"cloning" something that doesn't have a tree), so a viable workingtree
745
708
format must be selected.
710
:require_stacking: If True, non-stackable formats will be upgraded
711
to similar stackable formats.
712
:returns: a ControlDirFormat with all component formats either set
713
appropriately or set to None if that component should not be
747
716
format, repository = self._cloning_metadir()
748
717
if format._workingtree_format is None:
749
719
if repository is None:
720
# No repository either
722
# We have a repository, so set a working tree? (Why? This seems to
723
# contradict the stated return value in the docstring).
751
724
tree_format = repository._format._matchingbzrdir.workingtree_format
752
725
format.workingtree_format = tree_format.__class__()
727
format.require_stacking()
755
def checkout_metadir(self):
756
return self.cloning_metadir()
758
def sprout(self, url, revision_id=None, force_new_repo=False,
759
recurse='down', possible_transports=None):
760
"""Create a copy of this bzrdir prepared for use as a new line of
763
If urls last component does not exist, it will be created.
765
Attributes related to the identity of the source branch like
766
branch nickname will be cleaned, a working tree is created
767
whether one existed before or not; and a local branch is always
770
if revision_id is not None, then the clone operation may tune
771
itself to download less data.
730
def get_branch_transport(self, branch_format, name=None):
731
"""Get the transport for use by branch format in this BzrDir.
733
Note that bzr dirs that do not support format strings will raise
734
IncompatibleFormat if the branch format they are given has
735
a format string, and vice versa.
737
If branch_format is None, the transport is returned with no
738
checking. If it is not None, then the returned transport is
739
guaranteed to point to an existing directory ready for use.
773
target_transport = get_transport(url, possible_transports)
774
target_transport.ensure_base()
775
cloning_format = self.cloning_metadir()
776
result = cloning_format.initialize_on_transport(target_transport)
778
source_branch = self.open_branch()
779
source_repository = source_branch.repository
780
except errors.NotBranchError:
783
source_repository = self.open_repository()
784
except errors.NoRepositoryPresent:
785
source_repository = None
790
result_repo = result.find_repository()
791
except errors.NoRepositoryPresent:
793
if source_repository is None and result_repo is not None:
795
elif source_repository is None and result_repo is None:
796
# no repo available, make a new one
797
result.create_repository()
798
elif source_repository is not None and result_repo is None:
799
# have source, and want to make a new target repo
800
result_repo = source_repository.sprout(result,
801
revision_id=revision_id)
803
# fetch needed content into target.
804
if source_repository is not None:
806
# source_repository.copy_content_into(result_repo,
807
# revision_id=revision_id)
808
# so we can override the copy method
809
result_repo.fetch(source_repository, revision_id=revision_id)
810
if source_branch is not None:
811
source_branch.sprout(result, revision_id=revision_id)
813
result.create_branch()
814
if isinstance(target_transport, LocalTransport) and (
815
result_repo is None or result_repo.make_working_trees()):
816
wt = result.create_workingtree()
819
if wt.path2id('') is None:
821
wt.set_root_id(self.open_workingtree.get_root_id())
822
except errors.NoWorkingTree:
828
if recurse == 'down':
830
basis = wt.basis_tree()
832
subtrees = basis.iter_references()
833
recurse_branch = wt.branch
834
elif source_branch is not None:
835
basis = source_branch.basis_tree()
837
subtrees = basis.iter_references()
838
recurse_branch = source_branch
843
for path, file_id in subtrees:
844
target = urlutils.join(url, urlutils.escape(path))
845
sublocation = source_branch.reference_parent(file_id, path)
846
sublocation.bzrdir.sprout(target,
847
basis.get_reference_revision(file_id, path),
848
force_new_repo=force_new_repo, recurse=recurse)
850
if basis is not None:
855
class BzrDirPreSplitOut(BzrDir):
856
"""A common class for the all-in-one formats."""
858
def __init__(self, _transport, _format):
859
"""See BzrDir.__init__."""
860
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
861
assert self._format._lock_class == lockable_files.TransportLock
862
assert self._format._lock_file_name == 'branch-lock'
863
self._control_files = lockable_files.LockableFiles(
864
self.get_branch_transport(None),
865
self._format._lock_file_name,
866
self._format._lock_class)
868
def break_lock(self):
869
"""Pre-splitout bzrdirs do not suffer from stale locks."""
870
raise NotImplementedError(self.break_lock)
872
def clone(self, url, revision_id=None, force_new_repo=False):
873
"""See BzrDir.clone()."""
874
from bzrlib.workingtree import WorkingTreeFormat2
876
result = self._format._initialize_for_clone(url)
877
self.open_repository().clone(result, revision_id=revision_id)
878
from_branch = self.open_branch()
879
from_branch.clone(result, revision_id=revision_id)
881
self.open_workingtree().clone(result)
882
except errors.NotLocalUrl:
883
# make a new one, this format always has to have one.
885
WorkingTreeFormat2().initialize(result)
886
except errors.NotLocalUrl:
887
# but we cannot do it for remote trees.
888
to_branch = result.open_branch()
889
WorkingTreeFormat2().stub_initialize_remote(to_branch.control_files)
892
def create_branch(self):
893
"""See BzrDir.create_branch."""
894
return self.open_branch()
896
def create_repository(self, shared=False):
897
"""See BzrDir.create_repository."""
899
raise errors.IncompatibleFormat('shared repository', self._format)
900
return self.open_repository()
902
def create_workingtree(self, revision_id=None):
903
"""See BzrDir.create_workingtree."""
904
# this looks buggy but is not -really-
905
# because this format creates the workingtree when the bzrdir is
907
# clone and sprout will have set the revision_id
908
# and that will have set it for us, its only
909
# specific uses of create_workingtree in isolation
910
# that can do wonky stuff here, and that only
911
# happens for creating checkouts, which cannot be
912
# done on this format anyway. So - acceptable wart.
913
result = self.open_workingtree(recommend_upgrade=False)
914
if revision_id is not None:
915
if revision_id == _mod_revision.NULL_REVISION:
916
result.set_parent_ids([])
918
result.set_parent_ids([revision_id])
921
def destroy_workingtree(self):
922
"""See BzrDir.destroy_workingtree."""
923
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
925
def destroy_workingtree_metadata(self):
926
"""See BzrDir.destroy_workingtree_metadata."""
927
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
930
def get_branch_transport(self, branch_format):
931
"""See BzrDir.get_branch_transport()."""
932
if branch_format is None:
933
return self.transport
935
branch_format.get_format_string()
936
except NotImplementedError:
937
return self.transport
938
raise errors.IncompatibleFormat(branch_format, self._format)
741
raise NotImplementedError(self.get_branch_transport)
940
743
def get_repository_transport(self, repository_format):
941
"""See BzrDir.get_repository_transport()."""
942
if repository_format is None:
943
return self.transport
945
repository_format.get_format_string()
946
except NotImplementedError:
947
return self.transport
948
raise errors.IncompatibleFormat(repository_format, self._format)
950
def get_workingtree_transport(self, workingtree_format):
951
"""See BzrDir.get_workingtree_transport()."""
952
if workingtree_format is None:
953
return self.transport
955
workingtree_format.get_format_string()
956
except NotImplementedError:
957
return self.transport
958
raise errors.IncompatibleFormat(workingtree_format, self._format)
960
def needs_format_conversion(self, format=None):
961
"""See BzrDir.needs_format_conversion()."""
962
# if the format is not the same as the system default,
963
# an upgrade is needed.
965
format = BzrDirFormat.get_default_format()
966
return not isinstance(self._format, format.__class__)
968
def open_branch(self, unsupported=False):
969
"""See BzrDir.open_branch."""
970
from bzrlib.branch import BzrBranchFormat4
971
format = BzrBranchFormat4()
972
self._check_supported(format, unsupported)
973
return format.open(self, _found=True)
975
def sprout(self, url, revision_id=None, force_new_repo=False,
976
possible_transports=None):
977
"""See BzrDir.sprout()."""
978
from bzrlib.workingtree import WorkingTreeFormat2
980
result = self._format._initialize_for_clone(url)
982
self.open_repository().clone(result, revision_id=revision_id)
983
except errors.NoRepositoryPresent:
986
self.open_branch().sprout(result, revision_id=revision_id)
987
except errors.NotBranchError:
989
# we always want a working tree
990
WorkingTreeFormat2().initialize(result)
994
class BzrDir4(BzrDirPreSplitOut):
995
"""A .bzr version 4 control object.
997
This is a deprecated format and may be removed after sept 2006.
1000
def create_repository(self, shared=False):
1001
"""See BzrDir.create_repository."""
1002
return self._format.repository_format.initialize(self, shared)
1004
def needs_format_conversion(self, format=None):
1005
"""Format 4 dirs are always in need of conversion."""
1008
def open_repository(self):
1009
"""See BzrDir.open_repository."""
1010
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1011
return RepositoryFormat4().open(self, _found=True)
1014
class BzrDir5(BzrDirPreSplitOut):
1015
"""A .bzr version 5 control object.
1017
This is a deprecated format and may be removed after sept 2006.
1020
def open_repository(self):
1021
"""See BzrDir.open_repository."""
1022
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1023
return RepositoryFormat5().open(self, _found=True)
1025
def open_workingtree(self, _unsupported=False,
1026
recommend_upgrade=True):
1027
"""See BzrDir.create_workingtree."""
1028
from bzrlib.workingtree import WorkingTreeFormat2
1029
wt_format = WorkingTreeFormat2()
1030
# we don't warn here about upgrades; that ought to be handled for the
1032
return wt_format.open(self, _found=True)
1035
class BzrDir6(BzrDirPreSplitOut):
1036
"""A .bzr version 6 control object.
1038
This is a deprecated format and may be removed after sept 2006.
1041
def open_repository(self):
1042
"""See BzrDir.open_repository."""
1043
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1044
return RepositoryFormat6().open(self, _found=True)
1046
def open_workingtree(self, _unsupported=False,
1047
recommend_upgrade=True):
1048
"""See BzrDir.create_workingtree."""
1049
# we don't warn here about upgrades; that ought to be handled for the
1051
from bzrlib.workingtree import WorkingTreeFormat2
1052
return WorkingTreeFormat2().open(self, _found=True)
744
"""Get the transport for use by repository format in this BzrDir.
746
Note that bzr dirs that do not support format strings will raise
747
IncompatibleFormat if the repository format they are given has
748
a format string, and vice versa.
750
If repository_format is None, the transport is returned with no
751
checking. If it is not None, then the returned transport is
752
guaranteed to point to an existing directory ready for use.
754
raise NotImplementedError(self.get_repository_transport)
756
def get_workingtree_transport(self, tree_format):
757
"""Get the transport for use by workingtree format in this BzrDir.
759
Note that bzr dirs that do not support format strings will raise
760
IncompatibleFormat if the workingtree format they are given has a
761
format string, and vice versa.
763
If workingtree_format is None, the transport is returned with no
764
checking. If it is not None, then the returned transport is
765
guaranteed to point to an existing directory ready for use.
767
raise NotImplementedError(self.get_workingtree_transport)
770
def create(cls, base, format=None, possible_transports=None):
771
"""Create a new BzrDir at the url 'base'.
773
:param format: If supplied, the format of branch to create. If not
774
supplied, the default is used.
775
:param possible_transports: If supplied, a list of transports that
776
can be reused to share a remote connection.
778
if cls is not BzrDir:
779
raise AssertionError("BzrDir.create always creates the "
780
"default format, not one of %r" % cls)
781
return controldir.ControlDir.create(base, format=format,
782
possible_transports=possible_transports)
785
return "<%s at %r>" % (self.__class__.__name__, self.user_url)
787
def update_feature_flags(self, updated_flags):
788
"""Update the features required by this bzrdir.
790
:param updated_flags: Dictionary mapping feature names to necessities
791
A necessity can be None to indicate the feature should be removed
793
self.control_files.lock_write()
795
self._format._update_feature_flags(updated_flags)
796
self.transport.put_bytes('branch-format', self._format.as_string())
798
self.control_files.unlock()
1055
801
class BzrDirMeta1(BzrDir):
1056
802
"""A .bzr meta version 1 control object.
1058
This is the first control object where the
804
This is the first control object where the
1059
805
individual aspects are really split out: there are separate repository,
1060
806
workingtree and branch subdirectories and any subset of the three can be
1061
807
present within a BzrDir.
810
def _get_branch_path(self, name):
811
"""Obtain the branch path to use.
813
This uses the API specified branch name first, and then falls back to
814
the branch name specified in the URL. If neither of those is specified,
815
it uses the default branch.
817
:param name: Optional branch name to use
818
:return: Relative path to branch
822
return urlutils.join('branches', name.encode("utf-8"))
824
def _read_branch_list(self):
825
"""Read the branch list.
827
:return: List of utf-8 encoded branch names.
830
f = self.control_transport.get('branch-list')
831
except errors.NoSuchFile:
837
ret.append(name.rstrip("\n"))
842
def _write_branch_list(self, branches):
843
"""Write out the branch list.
845
:param branches: List of utf-8 branch names to write
847
self.transport.put_bytes('branch-list',
848
"".join([name+"\n" for name in branches]))
850
def __init__(self, _transport, _format):
851
super(BzrDirMeta1, self).__init__(_transport, _format)
852
self.control_files = lockable_files.LockableFiles(
853
self.control_transport, self._format._lock_file_name,
854
self._format._lock_class)
1064
856
def can_convert_format(self):
1065
857
"""See BzrDir.can_convert_format()."""
1068
def create_branch(self):
1069
"""See BzrDir.create_branch."""
1070
return self._format.get_branch_format().initialize(self)
860
def create_branch(self, name=None, repository=None,
861
append_revisions_only=None):
862
"""See ControlDir.create_branch."""
864
name = self._get_selected_branch()
865
return self._format.get_branch_format().initialize(self, name=name,
866
repository=repository,
867
append_revisions_only=append_revisions_only)
869
def destroy_branch(self, name=None):
870
"""See ControlDir.destroy_branch."""
872
name = self._get_selected_branch()
873
path = self._get_branch_path(name)
875
self.control_files.lock_write()
877
branches = self._read_branch_list()
879
branches.remove(name.encode("utf-8"))
881
raise errors.NotBranchError(name)
882
self._write_branch_list(branches)
884
self.control_files.unlock()
886
self.transport.delete_tree(path)
887
except errors.NoSuchFile:
888
raise errors.NotBranchError(path=urlutils.join(self.transport.base,
1072
891
def create_repository(self, shared=False):
1073
892
"""See BzrDir.create_repository."""
1074
893
return self._format.repository_format.initialize(self, shared)
1076
def create_workingtree(self, revision_id=None):
895
def destroy_repository(self):
896
"""See BzrDir.destroy_repository."""
898
self.transport.delete_tree('repository')
899
except errors.NoSuchFile:
900
raise errors.NoRepositoryPresent(self)
902
def create_workingtree(self, revision_id=None, from_branch=None,
903
accelerator_tree=None, hardlink=False):
1077
904
"""See BzrDir.create_workingtree."""
1078
from bzrlib.workingtree import WorkingTreeFormat
1079
return self._format.workingtree_format.initialize(self, revision_id)
905
return self._format.workingtree_format.initialize(
906
self, revision_id, from_branch=from_branch,
907
accelerator_tree=accelerator_tree, hardlink=hardlink)
1081
909
def destroy_workingtree(self):
1082
910
"""See BzrDir.destroy_workingtree."""
1083
911
wt = self.open_workingtree(recommend_upgrade=False)
1084
912
repository = wt.branch.repository
1085
913
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1086
wt.revert([], old_tree=empty)
914
# We ignore the conflicts returned by wt.revert since we're about to
915
# delete the wt metadata anyway, all that should be left here are
916
# detritus. But see bug #634470 about subtree .bzr dirs.
917
conflicts = wt.revert(old_tree=empty)
1087
918
self.destroy_workingtree_metadata()
1089
920
def destroy_workingtree_metadata(self):
1090
921
self.transport.delete_tree('checkout')
1092
def find_branch_format(self):
923
def find_branch_format(self, name=None):
1093
924
"""Find the branch 'format' for this bzrdir.
1095
926
This might be a synthetic object for e.g. RemoteBranch and SVN.
1097
from bzrlib.branch import BranchFormat
1098
return BranchFormat.find_format(self)
928
from bzrlib.branch import BranchFormatMetadir
929
return BranchFormatMetadir.find_format(self, name=name)
1100
931
def _get_mkdir_mode(self):
1101
932
"""Figure out the mode to use when creating a bzrdir subdir."""
1186
def open_branch(self, unsupported=False):
1187
"""See BzrDir.open_branch."""
1188
format = self.find_branch_format()
1189
self._check_supported(format, unsupported)
1190
return format.open(self, _found=True)
1070
def open_branch(self, name=None, unsupported=False,
1071
ignore_fallbacks=False, possible_transports=None):
1072
"""See ControlDir.open_branch."""
1074
name = self._get_selected_branch()
1075
format = self.find_branch_format(name=name)
1076
format.check_support_status(unsupported)
1077
return format.open(self, name=name,
1078
_found=True, ignore_fallbacks=ignore_fallbacks,
1079
possible_transports=possible_transports)
1192
1081
def open_repository(self, unsupported=False):
1193
1082
"""See BzrDir.open_repository."""
1194
from bzrlib.repository import RepositoryFormat
1195
format = RepositoryFormat.find_format(self)
1196
self._check_supported(format, unsupported)
1083
from bzrlib.repository import RepositoryFormatMetaDir
1084
format = RepositoryFormatMetaDir.find_format(self)
1085
format.check_support_status(unsupported)
1197
1086
return format.open(self, _found=True)
1199
1088
def open_workingtree(self, unsupported=False,
1200
1089
recommend_upgrade=True):
1201
1090
"""See BzrDir.open_workingtree."""
1202
from bzrlib.workingtree import WorkingTreeFormat
1203
format = WorkingTreeFormat.find_format(self)
1204
self._check_supported(format, unsupported,
1091
from bzrlib.workingtree import WorkingTreeFormatMetaDir
1092
format = WorkingTreeFormatMetaDir.find_format(self)
1093
format.check_support_status(unsupported, recommend_upgrade,
1206
1094
basedir=self.root_transport.base)
1207
1095
return format.open(self, _found=True)
1210
class BzrDirFormat(object):
1211
"""An encapsulation of the initialization and open routines for a format.
1213
Formats provide three things:
1214
* An initialization routine,
1218
Formats are placed in an dict by their format string for reference
1097
def _get_config(self):
1098
return config.TransportConfig(self.transport, 'control.conf')
1101
class BzrFormat(object):
1102
"""Base class for all formats of things living in metadirs.
1104
This class manages the format string that is stored in the 'format'
1105
or 'branch-format' file.
1107
All classes for (branch-, repository-, workingtree-) formats that
1108
live in meta directories and have their own 'format' file
1109
(i.e. different from .bzr/branch-format) derive from this class,
1110
as well as the relevant base class for their kind
1111
(BranchFormat, WorkingTreeFormat, RepositoryFormat).
1113
Each format is identified by a "format" or "branch-format" file with a
1114
single line containing the base format name and then an optional list of
1117
Feature flags are supported as of bzr 2.5. Setting feature flags on formats
1118
will render them inaccessible to older versions of bzr.
1120
:ivar features: Dictionary mapping feature names to their necessity
1123
_present_features = set()
1129
def register_feature(cls, name):
1130
"""Register a feature as being present.
1132
:param name: Name of the feature
1135
raise ValueError("spaces are not allowed in feature names")
1136
if name in cls._present_features:
1137
raise errors.FeatureAlreadyRegistered(name)
1138
cls._present_features.add(name)
1141
def unregister_feature(cls, name):
1142
"""Unregister a feature."""
1143
cls._present_features.remove(name)
1145
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1147
for name, necessity in self.features.iteritems():
1148
if name in self._present_features:
1150
if necessity == "optional":
1151
mutter("ignoring optional missing feature %s", name)
1153
elif necessity == "required":
1154
raise errors.MissingFeature(name)
1156
mutter("treating unknown necessity as require for %s",
1158
raise errors.MissingFeature(name)
1161
def get_format_string(cls):
1162
"""Return the ASCII format string that identifies this format."""
1163
raise NotImplementedError(cls.get_format_string)
1166
def from_string(cls, text):
1167
format_string = cls.get_format_string()
1168
if not text.startswith(format_string):
1169
raise AssertionError("Invalid format header %r for %r" % (text, cls))
1170
lines = text[len(format_string):].splitlines()
1172
for lineno, line in enumerate(lines):
1174
(necessity, feature) = line.split(" ", 1)
1176
raise errors.ParseFormatError(format=cls, lineno=lineno+2,
1177
line=line, text=text)
1178
ret.features[feature] = necessity
1181
def as_string(self):
1182
"""Return the string representation of this format.
1184
lines = [self.get_format_string()]
1185
lines.extend([("%s %s\n" % (item[1], item[0])) for item in
1186
self.features.iteritems()])
1187
return "".join(lines)
1190
def _find_format(klass, registry, kind, format_string):
1192
first_line = format_string[:format_string.index("\n")+1]
1194
first_line = format_string
1196
cls = registry.get(first_line)
1198
raise errors.UnknownFormatError(format=first_line, kind=kind)
1199
return cls.from_string(format_string)
1201
def network_name(self):
1202
"""A simple byte string uniquely identifying this format for RPC calls.
1204
Metadir branch formats use their format string.
1206
return self.as_string()
1208
def __eq__(self, other):
1209
return (self.__class__ is other.__class__ and
1210
self.features == other.features)
1212
def _update_feature_flags(self, updated_flags):
1213
"""Update the feature flags in this format.
1215
:param updated_flags: Updated feature flags
1217
for name, necessity in updated_flags.iteritems():
1218
if necessity is None:
1220
del self.features[name]
1224
self.features[name] = necessity
1227
class BzrProber(controldir.Prober):
1228
"""Prober for formats that use a .bzr/ control directory."""
1230
formats = registry.FormatRegistry(controldir.network_format_registry)
1231
"""The known .bzr formats."""
1234
def probe_transport(klass, transport):
1235
"""Return the .bzrdir style format present in a directory."""
1237
format_string = transport.get_bytes(".bzr/branch-format")
1238
except errors.NoSuchFile:
1239
raise errors.NotBranchError(path=transport.base)
1241
first_line = format_string[:format_string.index("\n")+1]
1243
first_line = format_string
1245
cls = klass.formats.get(first_line)
1247
raise errors.UnknownFormatError(format=first_line, kind='bzrdir')
1248
return cls.from_string(format_string)
1251
def known_formats(cls):
1253
for name, format in cls.formats.iteritems():
1254
if callable(format):
1260
controldir.ControlDirFormat.register_prober(BzrProber)
1263
class RemoteBzrProber(controldir.Prober):
1264
"""Prober for remote servers that provide a Bazaar smart server."""
1267
def probe_transport(klass, transport):
1268
"""Return a RemoteBzrDirFormat object if it looks possible."""
1270
medium = transport.get_smart_medium()
1271
except (NotImplementedError, AttributeError,
1272
errors.TransportNotPossible, errors.NoSmartMedium,
1273
errors.SmartProtocolError):
1274
# no smart server, so not a branch for this format type.
1275
raise errors.NotBranchError(path=transport.base)
1277
# Decline to open it if the server doesn't support our required
1278
# version (3) so that the VFS-based transport will do it.
1279
if medium.should_probe():
1281
server_version = medium.protocol_version()
1282
except errors.SmartProtocolError:
1283
# Apparently there's no usable smart server there, even though
1284
# the medium supports the smart protocol.
1285
raise errors.NotBranchError(path=transport.base)
1286
if server_version != '2':
1287
raise errors.NotBranchError(path=transport.base)
1288
from bzrlib.remote import RemoteBzrDirFormat
1289
return RemoteBzrDirFormat()
1292
def known_formats(cls):
1293
from bzrlib.remote import RemoteBzrDirFormat
1294
return set([RemoteBzrDirFormat()])
1297
class BzrDirFormat(BzrFormat, controldir.ControlDirFormat):
1298
"""ControlDirFormat base class for .bzr/ directories.
1300
Formats are placed in a dict by their format string for reference
1219
1301
during bzrdir opening. These should be subclasses of BzrDirFormat
1220
1302
for consistency.
1222
1304
Once a format is deprecated, just deprecate the initialize and open
1223
methods on the format class. Do not deprecate the object, as the
1305
methods on the format class. Do not deprecate the object, as the
1224
1306
object will be created every system load.
1227
_default_format = None
1228
"""The default format used for new .bzr dirs."""
1231
"""The known formats."""
1233
_control_formats = []
1234
"""The registered control formats - .bzr, ....
1236
This is a list of BzrDirFormat objects.
1239
_control_server_formats = []
1240
"""The registered control server formats, e.g. RemoteBzrDirs.
1242
This is a list of BzrDirFormat objects.
1245
1309
_lock_file_name = 'branch-lock'
1247
1311
# _lock_class must be set in subclasses to the lock type, typ.
1248
1312
# TransportLock or LockDir
1251
def find_format(klass, transport, _server_formats=True):
1252
"""Return the format present at transport."""
1254
formats = klass._control_server_formats + klass._control_formats
1256
formats = klass._control_formats
1257
for format in formats:
1259
return format.probe_transport(transport)
1260
except errors.NotBranchError:
1261
# this format does not find a control dir here.
1263
raise errors.NotBranchError(path=transport.base)
1266
def probe_transport(klass, transport):
1267
"""Return the .bzrdir style format present in a directory."""
1269
format_string = transport.get(".bzr/branch-format").read()
1270
except errors.NoSuchFile:
1271
raise errors.NotBranchError(path=transport.base)
1274
return klass._formats[format_string]
1276
raise errors.UnknownFormatError(format=format_string)
1279
def get_default_format(klass):
1280
"""Return the current default format."""
1281
return klass._default_format
1283
def get_format_string(self):
1284
"""Return the ASCII format string that identifies this format."""
1285
raise NotImplementedError(self.get_format_string)
1287
def get_format_description(self):
1288
"""Return the short description for this format."""
1289
raise NotImplementedError(self.get_format_description)
1291
def get_converter(self, format=None):
1292
"""Return the converter to use to convert bzrdirs needing converts.
1294
This returns a bzrlib.bzrdir.Converter object.
1296
This should return the best upgrader to step this format towards the
1297
current default format. In the case of plugins we can/should provide
1298
some means for them to extend the range of returnable converters.
1300
:param format: Optional format to override the default format of the
1303
raise NotImplementedError(self.get_converter)
1305
def initialize(self, url, possible_transports=None):
1306
"""Create a bzr control dir at this url and return an opened copy.
1308
Subclasses should typically override initialize_on_transport
1309
instead of this method.
1311
return self.initialize_on_transport(get_transport(url,
1312
possible_transports))
1314
1314
def initialize_on_transport(self, transport):
1315
1315
"""Initialize a new bzrdir in the base directory of a Transport."""
1316
# Since we don't have a .bzr directory, inherit the
1317
# can we hand off the request to the smart server rather than using
1319
client_medium = transport.get_smart_medium()
1320
except errors.NoSmartMedium:
1321
return self._initialize_on_transport_vfs(transport)
1323
# Current RPC's only know how to create bzr metadir1 instances, so
1324
# we still delegate to vfs methods if the requested format is not a
1326
if type(self) != BzrDirMetaFormat1:
1327
return self._initialize_on_transport_vfs(transport)
1328
from bzrlib.remote import RemoteBzrDirFormat
1329
remote_format = RemoteBzrDirFormat()
1330
self._supply_sub_formats_to(remote_format)
1331
return remote_format.initialize_on_transport(transport)
1333
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
1334
create_prefix=False, force_new_repo=False, stacked_on=None,
1335
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
1336
shared_repo=False, vfs_only=False):
1337
"""Create this format on transport.
1339
The directory to initialize will be created.
1341
:param force_new_repo: Do not use a shared repository for the target,
1342
even if one is available.
1343
:param create_prefix: Create any missing directories leading up to
1345
:param use_existing_dir: Use an existing directory if one exists.
1346
:param stacked_on: A url to stack any created branch on, None to follow
1347
any target stacking policy.
1348
:param stack_on_pwd: If stack_on is relative, the location it is
1350
:param repo_format_name: If non-None, a repository will be
1351
made-or-found. Should none be found, or if force_new_repo is True
1352
the repo_format_name is used to select the format of repository to
1354
:param make_working_trees: Control the setting of make_working_trees
1355
for a new shared repository when one is made. None to use whatever
1356
default the format has.
1357
:param shared_repo: Control whether made repositories are shared or
1359
:param vfs_only: If True do not attempt to use a smart server
1360
:return: repo, controldir, require_stacking, repository_policy. repo is
1361
None if none was created or found, bzrdir is always valid.
1362
require_stacking is the result of examining the stacked_on
1363
parameter and any stacking policy found for the target.
1366
# Try to hand off to a smart server
1368
client_medium = transport.get_smart_medium()
1369
except errors.NoSmartMedium:
1372
from bzrlib.remote import RemoteBzrDirFormat
1373
# TODO: lookup the local format from a server hint.
1374
remote_dir_format = RemoteBzrDirFormat()
1375
remote_dir_format._network_name = self.network_name()
1376
self._supply_sub_formats_to(remote_dir_format)
1377
return remote_dir_format.initialize_on_transport_ex(transport,
1378
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
1379
force_new_repo=force_new_repo, stacked_on=stacked_on,
1380
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
1381
make_working_trees=make_working_trees, shared_repo=shared_repo)
1382
# XXX: Refactor the create_prefix/no_create_prefix code into a
1383
# common helper function
1384
# The destination may not exist - if so make it according to policy.
1385
def make_directory(transport):
1386
transport.mkdir('.')
1388
def redirected(transport, e, redirection_notice):
1389
note(redirection_notice)
1390
return transport._redirected_to(e.source, e.target)
1392
transport = do_catching_redirections(make_directory, transport,
1394
except errors.FileExists:
1395
if not use_existing_dir:
1397
except errors.NoSuchFile:
1398
if not create_prefix:
1400
transport.create_prefix()
1402
require_stacking = (stacked_on is not None)
1403
# Now the target directory exists, but doesn't have a .bzr
1404
# directory. So we need to create it, along with any work to create
1405
# all of the dependent branches, etc.
1407
result = self.initialize_on_transport(transport)
1408
if repo_format_name:
1410
# use a custom format
1411
result._format.repository_format = \
1412
repository.network_format_registry.get(repo_format_name)
1413
except AttributeError:
1414
# The format didn't permit it to be set.
1416
# A repository is desired, either in-place or shared.
1417
repository_policy = result.determine_repository_policy(
1418
force_new_repo, stacked_on, stack_on_pwd,
1419
require_stacking=require_stacking)
1420
result_repo, is_new_repo = repository_policy.acquire_repository(
1421
make_working_trees, shared_repo)
1422
if not require_stacking and repository_policy._require_stacking:
1423
require_stacking = True
1424
result._format.require_stacking()
1425
result_repo.lock_write()
1428
repository_policy = None
1429
return result_repo, result, require_stacking, repository_policy
1431
def _initialize_on_transport_vfs(self, transport):
1432
"""Initialize a new bzrdir using VFS calls.
1434
:param transport: The transport to create the .bzr directory in.
1437
# Since we are creating a .bzr directory, inherit the
1317
1438
# mode from the root directory
1318
1439
temp_control = lockable_files.LockableFiles(transport,
1319
1440
'', lockable_files.TransportLock)
1320
temp_control._transport.mkdir('.bzr',
1321
# FIXME: RBC 20060121 don't peek under
1323
mode=temp_control._dir_mode)
1442
temp_control._transport.mkdir('.bzr',
1443
# FIXME: RBC 20060121 don't peek under
1445
mode=temp_control._dir_mode)
1446
except errors.FileExists:
1447
raise errors.AlreadyControlDirError(transport.base)
1448
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1449
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1324
1450
file_mode = temp_control._file_mode
1325
1451
del temp_control
1326
mutter('created control directory in ' + transport.base)
1327
control = transport.clone('.bzr')
1328
utf8_files = [('README',
1329
"This is a Bazaar-NG control directory.\n"
1330
"Do not change any files in this directory.\n"),
1331
('branch-format', self.get_format_string()),
1452
bzrdir_transport = transport.clone('.bzr')
1453
utf8_files = [('README',
1454
"This is a Bazaar control directory.\n"
1455
"Do not change any files in this directory.\n"
1456
"See http://bazaar.canonical.com/ for more information about Bazaar.\n"),
1457
('branch-format', self.as_string()),
1333
1459
# NB: no need to escape relative paths that are url safe.
1334
control_files = lockable_files.LockableFiles(control,
1335
self._lock_file_name, self._lock_class)
1460
control_files = lockable_files.LockableFiles(bzrdir_transport,
1461
self._lock_file_name, self._lock_class)
1336
1462
control_files.create_lock()
1337
1463
control_files.lock_write()
1339
for file, content in utf8_files:
1340
control_files.put_utf8(file, content)
1465
for (filename, content) in utf8_files:
1466
bzrdir_transport.put_bytes(filename, content,
1342
1469
control_files.unlock()
1343
1470
return self.open(transport, _found=True)
1345
def is_supported(self):
1346
"""Is this format supported?
1348
Supported formats must be initializable and openable.
1349
Unsupported formats may not support initialization or committing or
1350
some other features depending on the reason for not being supported.
1354
def same_model(self, target_format):
1355
return (self.repository_format.rich_root_data ==
1356
target_format.rich_root_data)
1359
def known_formats(klass):
1360
"""Return all the known formats.
1362
Concrete formats should override _known_formats.
1364
# There is double indirection here to make sure that control
1365
# formats used by more than one dir format will only be probed
1366
# once. This can otherwise be quite expensive for remote connections.
1368
for format in klass._control_formats:
1369
result.update(format._known_formats())
1373
def _known_formats(klass):
1374
"""Return the known format instances for this control format."""
1375
return set(klass._formats.values())
1377
1472
def open(self, transport, _found=False):
1378
1473
"""Return an instance of this format for the dir transport points at.
1380
1475
_found is a private parameter, do not use it.
1383
found_format = BzrDirFormat.find_format(transport)
1478
found_format = controldir.ControlDirFormat.find_format(transport)
1384
1479
if not isinstance(found_format, self.__class__):
1385
1480
raise AssertionError("%s was asked to open %s, but it seems to need "
1387
1482
% (self, transport, found_format))
1483
# Allow subclasses - use the found format.
1484
self._supply_sub_formats_to(found_format)
1485
return found_format._open(transport)
1388
1486
return self._open(transport)
1390
1488
def _open(self, transport):
1396
1494
raise NotImplementedError(self._open)
1399
def register_format(klass, format):
1400
klass._formats[format.get_format_string()] = format
1403
def register_control_format(klass, format):
1404
"""Register a format that does not use '.bzr' for its control dir.
1406
TODO: This should be pulled up into a 'ControlDirFormat' base class
1407
which BzrDirFormat can inherit from, and renamed to register_format
1408
there. It has been done without that for now for simplicity of
1411
klass._control_formats.append(format)
1414
def register_control_server_format(klass, format):
1415
"""Register a control format for client-server environments.
1417
These formats will be tried before ones registered with
1418
register_control_format. This gives implementations that decide to the
1419
chance to grab it before anything looks at the contents of the format
1422
klass._control_server_formats.append(format)
1425
@symbol_versioning.deprecated_method(symbol_versioning.zero_fourteen)
1426
def set_default_format(klass, format):
1427
klass._set_default_format(format)
1430
def _set_default_format(klass, format):
1431
"""Set default format (for testing behavior of defaults only)"""
1432
klass._default_format = format
1435
return self.get_format_string()[:-1]
1438
def unregister_format(klass, format):
1439
assert klass._formats[format.get_format_string()] is format
1440
del klass._formats[format.get_format_string()]
1443
def unregister_control_format(klass, format):
1444
klass._control_formats.remove(format)
1447
class BzrDirFormat4(BzrDirFormat):
1448
"""Bzr dir format 4.
1450
This format is a combined format for working tree, branch and repository.
1452
- Format 1 working trees [always]
1453
- Format 4 branches [always]
1454
- Format 4 repositories [always]
1456
This format is deprecated: it indexes texts using a text it which is
1457
removed in format 5; write support for this format has been removed.
1460
_lock_class = lockable_files.TransportLock
1462
def get_format_string(self):
1463
"""See BzrDirFormat.get_format_string()."""
1464
return "Bazaar-NG branch, format 0.0.4\n"
1466
def get_format_description(self):
1467
"""See BzrDirFormat.get_format_description()."""
1468
return "All-in-one format 4"
1470
def get_converter(self, format=None):
1471
"""See BzrDirFormat.get_converter()."""
1472
# there is one and only one upgrade path here.
1473
return ConvertBzrDir4To5()
1475
def initialize_on_transport(self, transport):
1476
"""Format 4 branches cannot be created."""
1477
raise errors.UninitializableFormat(self)
1479
def is_supported(self):
1480
"""Format 4 is not supported.
1482
It is not supported because the model changed from 4 to 5 and the
1483
conversion logic is expensive - so doing it on the fly was not
1488
def _open(self, transport):
1489
"""See BzrDirFormat._open."""
1490
return BzrDir4(transport, self)
1492
def __return_repository_format(self):
1493
"""Circular import protection."""
1494
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1495
return RepositoryFormat4()
1496
repository_format = property(__return_repository_format)
1499
class BzrDirFormat5(BzrDirFormat):
1500
"""Bzr control format 5.
1502
This format is a combined format for working tree, branch and repository.
1504
- Format 2 working trees [always]
1505
- Format 4 branches [always]
1506
- Format 5 repositories [always]
1507
Unhashed stores in the repository.
1510
_lock_class = lockable_files.TransportLock
1512
def get_format_string(self):
1513
"""See BzrDirFormat.get_format_string()."""
1514
return "Bazaar-NG branch, format 5\n"
1516
def get_format_description(self):
1517
"""See BzrDirFormat.get_format_description()."""
1518
return "All-in-one format 5"
1520
def get_converter(self, format=None):
1521
"""See BzrDirFormat.get_converter()."""
1522
# there is one and only one upgrade path here.
1523
return ConvertBzrDir5To6()
1525
def _initialize_for_clone(self, url):
1526
return self.initialize_on_transport(get_transport(url), _cloning=True)
1528
def initialize_on_transport(self, transport, _cloning=False):
1529
"""Format 5 dirs always have working tree, branch and repository.
1531
Except when they are being cloned.
1533
from bzrlib.branch import BzrBranchFormat4
1534
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1535
from bzrlib.workingtree import WorkingTreeFormat2
1536
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1537
RepositoryFormat5().initialize(result, _internal=True)
1539
branch = BzrBranchFormat4().initialize(result)
1541
WorkingTreeFormat2().initialize(result)
1542
except errors.NotLocalUrl:
1543
# Even though we can't access the working tree, we need to
1544
# create its control files.
1545
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1548
def _open(self, transport):
1549
"""See BzrDirFormat._open."""
1550
return BzrDir5(transport, self)
1552
def __return_repository_format(self):
1553
"""Circular import protection."""
1554
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1555
return RepositoryFormat5()
1556
repository_format = property(__return_repository_format)
1559
class BzrDirFormat6(BzrDirFormat):
1560
"""Bzr control format 6.
1562
This format is a combined format for working tree, branch and repository.
1564
- Format 2 working trees [always]
1565
- Format 4 branches [always]
1566
- Format 6 repositories [always]
1569
_lock_class = lockable_files.TransportLock
1571
def get_format_string(self):
1572
"""See BzrDirFormat.get_format_string()."""
1573
return "Bazaar-NG branch, format 6\n"
1575
def get_format_description(self):
1576
"""See BzrDirFormat.get_format_description()."""
1577
return "All-in-one format 6"
1579
def get_converter(self, format=None):
1580
"""See BzrDirFormat.get_converter()."""
1581
# there is one and only one upgrade path here.
1582
return ConvertBzrDir6ToMeta()
1584
def _initialize_for_clone(self, url):
1585
return self.initialize_on_transport(get_transport(url), _cloning=True)
1587
def initialize_on_transport(self, transport, _cloning=False):
1588
"""Format 6 dirs always have working tree, branch and repository.
1590
Except when they are being cloned.
1592
from bzrlib.branch import BzrBranchFormat4
1593
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1594
from bzrlib.workingtree import WorkingTreeFormat2
1595
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1596
RepositoryFormat6().initialize(result, _internal=True)
1598
branch = BzrBranchFormat4().initialize(result)
1600
WorkingTreeFormat2().initialize(result)
1601
except errors.NotLocalUrl:
1602
# Even though we can't access the working tree, we need to
1603
# create its control files.
1604
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1607
def _open(self, transport):
1608
"""See BzrDirFormat._open."""
1609
return BzrDir6(transport, self)
1611
def __return_repository_format(self):
1612
"""Circular import protection."""
1613
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1614
return RepositoryFormat6()
1615
repository_format = property(__return_repository_format)
1496
def _supply_sub_formats_to(self, other_format):
1497
"""Give other_format the same values for sub formats as this has.
1499
This method is expected to be used when parameterising a
1500
RemoteBzrDirFormat instance with the parameters from a
1501
BzrDirMetaFormat1 instance.
1503
:param other_format: other_format is a format which should be
1504
compatible with whatever sub formats are supported by self.
1507
other_format.features = dict(self.features)
1509
def supports_transport(self, transport):
1510
# bzr formats can be opened over all known transports
1513
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1515
controldir.ControlDirFormat.check_support_status(self,
1516
allow_unsupported=allow_unsupported, recommend_upgrade=recommend_upgrade,
1518
BzrFormat.check_support_status(self, allow_unsupported=allow_unsupported,
1519
recommend_upgrade=recommend_upgrade, basedir=basedir)
1618
1522
class BzrDirMetaFormat1(BzrDirFormat):
1673
1687
def _open(self, transport):
1674
1688
"""See BzrDirFormat._open."""
1675
return BzrDirMeta1(transport, self)
1689
# Create a new format instance because otherwise initialisation of new
1690
# metadirs share the global default format object leading to alias
1692
format = BzrDirMetaFormat1()
1693
self._supply_sub_formats_to(format)
1694
return BzrDirMeta1(transport, format)
1677
1696
def __return_repository_format(self):
1678
1697
"""Circular import protection."""
1679
if getattr(self, '_repository_format', None):
1698
if self._repository_format:
1680
1699
return self._repository_format
1681
from bzrlib.repository import RepositoryFormat
1682
return RepositoryFormat.get_default_format()
1700
from bzrlib.repository import format_registry
1701
return format_registry.get_default()
1684
def __set_repository_format(self, value):
1685
"""Allow changint the repository format for metadir formats."""
1703
def _set_repository_format(self, value):
1704
"""Allow changing the repository format for metadir formats."""
1686
1705
self._repository_format = value
1688
repository_format = property(__return_repository_format, __set_repository_format)
1707
repository_format = property(__return_repository_format,
1708
_set_repository_format)
1710
def _supply_sub_formats_to(self, other_format):
1711
"""Give other_format the same values for sub formats as this has.
1713
This method is expected to be used when parameterising a
1714
RemoteBzrDirFormat instance with the parameters from a
1715
BzrDirMetaFormat1 instance.
1717
:param other_format: other_format is a format which should be
1718
compatible with whatever sub formats are supported by self.
1721
super(BzrDirMetaFormat1, self)._supply_sub_formats_to(other_format)
1722
if getattr(self, '_repository_format', None) is not None:
1723
other_format.repository_format = self.repository_format
1724
if self._branch_format is not None:
1725
other_format._branch_format = self._branch_format
1726
if self._workingtree_format is not None:
1727
other_format.workingtree_format = self.workingtree_format
1690
1729
def __get_workingtree_format(self):
1691
1730
if self._workingtree_format is None:
1692
from bzrlib.workingtree import WorkingTreeFormat
1693
self._workingtree_format = WorkingTreeFormat.get_default_format()
1731
from bzrlib.workingtree import (
1732
format_registry as wt_format_registry,
1734
self._workingtree_format = wt_format_registry.get_default()
1694
1735
return self._workingtree_format
1696
1737
def __set_workingtree_format(self, wt_format):
1697
1738
self._workingtree_format = wt_format
1741
return "<%r>" % (self.__class__.__name__,)
1699
1743
workingtree_format = property(__get_workingtree_format,
1700
1744
__set_workingtree_format)
1703
# Register bzr control format
1704
BzrDirFormat.register_control_format(BzrDirFormat)
1706
1747
# Register bzr formats
1707
BzrDirFormat.register_format(BzrDirFormat4())
1708
BzrDirFormat.register_format(BzrDirFormat5())
1709
BzrDirFormat.register_format(BzrDirFormat6())
1710
__default_format = BzrDirMetaFormat1()
1711
BzrDirFormat.register_format(__default_format)
1712
BzrDirFormat._default_format = __default_format
1715
class Converter(object):
1716
"""Converts a disk format object from one format to another."""
1718
def convert(self, to_convert, pb):
1719
"""Perform the conversion of to_convert, giving feedback via pb.
1721
:param to_convert: The disk object to convert.
1722
:param pb: a progress bar to use for progress information.
1725
def step(self, message):
1726
"""Update the pb by a step."""
1728
self.pb.update(message, self.count, self.total)
1731
class ConvertBzrDir4To5(Converter):
1732
"""Converts format 4 bzr dirs to format 5."""
1735
super(ConvertBzrDir4To5, self).__init__()
1736
self.converted_revs = set()
1737
self.absent_revisions = set()
1741
def convert(self, to_convert, pb):
1742
"""See Converter.convert()."""
1743
self.bzrdir = to_convert
1745
self.pb.note('starting upgrade from format 4 to 5')
1746
if isinstance(self.bzrdir.transport, LocalTransport):
1747
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
1748
self._convert_to_weaves()
1749
return BzrDir.open(self.bzrdir.root_transport.base)
1751
def _convert_to_weaves(self):
1752
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
1755
stat = self.bzrdir.transport.stat('weaves')
1756
if not S_ISDIR(stat.st_mode):
1757
self.bzrdir.transport.delete('weaves')
1758
self.bzrdir.transport.mkdir('weaves')
1759
except errors.NoSuchFile:
1760
self.bzrdir.transport.mkdir('weaves')
1761
# deliberately not a WeaveFile as we want to build it up slowly.
1762
self.inv_weave = Weave('inventory')
1763
# holds in-memory weaves for all files
1764
self.text_weaves = {}
1765
self.bzrdir.transport.delete('branch-format')
1766
self.branch = self.bzrdir.open_branch()
1767
self._convert_working_inv()
1768
rev_history = self.branch.revision_history()
1769
# to_read is a stack holding the revisions we still need to process;
1770
# appending to it adds new highest-priority revisions
1771
self.known_revisions = set(rev_history)
1772
self.to_read = rev_history[-1:]
1774
rev_id = self.to_read.pop()
1775
if (rev_id not in self.revisions
1776
and rev_id not in self.absent_revisions):
1777
self._load_one_rev(rev_id)
1779
to_import = self._make_order()
1780
for i, rev_id in enumerate(to_import):
1781
self.pb.update('converting revision', i, len(to_import))
1782
self._convert_one_rev(rev_id)
1784
self._write_all_weaves()
1785
self._write_all_revs()
1786
self.pb.note('upgraded to weaves:')
1787
self.pb.note(' %6d revisions and inventories', len(self.revisions))
1788
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
1789
self.pb.note(' %6d texts', self.text_count)
1790
self._cleanup_spare_files_after_format4()
1791
self.branch.control_files.put_utf8('branch-format', BzrDirFormat5().get_format_string())
1793
def _cleanup_spare_files_after_format4(self):
1794
# FIXME working tree upgrade foo.
1795
for n in 'merged-patches', 'pending-merged-patches':
1797
## assert os.path.getsize(p) == 0
1798
self.bzrdir.transport.delete(n)
1799
except errors.NoSuchFile:
1801
self.bzrdir.transport.delete_tree('inventory-store')
1802
self.bzrdir.transport.delete_tree('text-store')
1804
def _convert_working_inv(self):
1805
inv = xml4.serializer_v4.read_inventory(
1806
self.branch.control_files.get('inventory'))
1807
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
1808
# FIXME inventory is a working tree change.
1809
self.branch.control_files.put('inventory', StringIO(new_inv_xml))
1811
def _write_all_weaves(self):
1812
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
1813
weave_transport = self.bzrdir.transport.clone('weaves')
1814
weaves = WeaveStore(weave_transport, prefixed=False)
1815
transaction = WriteTransaction()
1819
for file_id, file_weave in self.text_weaves.items():
1820
self.pb.update('writing weave', i, len(self.text_weaves))
1821
weaves._put_weave(file_id, file_weave, transaction)
1823
self.pb.update('inventory', 0, 1)
1824
controlweaves._put_weave('inventory', self.inv_weave, transaction)
1825
self.pb.update('inventory', 1, 1)
1829
def _write_all_revs(self):
1830
"""Write all revisions out in new form."""
1831
self.bzrdir.transport.delete_tree('revision-store')
1832
self.bzrdir.transport.mkdir('revision-store')
1833
revision_transport = self.bzrdir.transport.clone('revision-store')
1835
_revision_store = TextRevisionStore(TextStore(revision_transport,
1839
transaction = WriteTransaction()
1840
for i, rev_id in enumerate(self.converted_revs):
1841
self.pb.update('write revision', i, len(self.converted_revs))
1842
_revision_store.add_revision(self.revisions[rev_id], transaction)
1846
def _load_one_rev(self, rev_id):
1847
"""Load a revision object into memory.
1849
Any parents not either loaded or abandoned get queued to be
1851
self.pb.update('loading revision',
1852
len(self.revisions),
1853
len(self.known_revisions))
1854
if not self.branch.repository.has_revision(rev_id):
1856
self.pb.note('revision {%s} not present in branch; '
1857
'will be converted as a ghost',
1859
self.absent_revisions.add(rev_id)
1861
rev = self.branch.repository._revision_store.get_revision(rev_id,
1862
self.branch.repository.get_transaction())
1863
for parent_id in rev.parent_ids:
1864
self.known_revisions.add(parent_id)
1865
self.to_read.append(parent_id)
1866
self.revisions[rev_id] = rev
1868
def _load_old_inventory(self, rev_id):
1869
assert rev_id not in self.converted_revs
1870
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
1871
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
1872
inv.revision_id = rev_id
1873
rev = self.revisions[rev_id]
1874
if rev.inventory_sha1:
1875
assert rev.inventory_sha1 == sha_string(old_inv_xml), \
1876
'inventory sha mismatch for {%s}' % rev_id
1879
def _load_updated_inventory(self, rev_id):
1880
assert rev_id in self.converted_revs
1881
inv_xml = self.inv_weave.get_text(rev_id)
1882
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml)
1885
def _convert_one_rev(self, rev_id):
1886
"""Convert revision and all referenced objects to new format."""
1887
rev = self.revisions[rev_id]
1888
inv = self._load_old_inventory(rev_id)
1889
present_parents = [p for p in rev.parent_ids
1890
if p not in self.absent_revisions]
1891
self._convert_revision_contents(rev, inv, present_parents)
1892
self._store_new_weave(rev, inv, present_parents)
1893
self.converted_revs.add(rev_id)
1895
def _store_new_weave(self, rev, inv, present_parents):
1896
# the XML is now updated with text versions
1898
entries = inv.iter_entries()
1900
for path, ie in entries:
1901
assert getattr(ie, 'revision', None) is not None, \
1902
'no revision on {%s} in {%s}' % \
1903
(file_id, rev.revision_id)
1904
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
1905
new_inv_sha1 = sha_string(new_inv_xml)
1906
self.inv_weave.add_lines(rev.revision_id,
1908
new_inv_xml.splitlines(True))
1909
rev.inventory_sha1 = new_inv_sha1
1911
def _convert_revision_contents(self, rev, inv, present_parents):
1912
"""Convert all the files within a revision.
1914
Also upgrade the inventory to refer to the text revision ids."""
1915
rev_id = rev.revision_id
1916
mutter('converting texts of revision {%s}',
1918
parent_invs = map(self._load_updated_inventory, present_parents)
1919
entries = inv.iter_entries()
1921
for path, ie in entries:
1922
self._convert_file_version(rev, ie, parent_invs)
1924
def _convert_file_version(self, rev, ie, parent_invs):
1925
"""Convert one version of one file.
1927
The file needs to be added into the weave if it is a merge
1928
of >=2 parents or if it's changed from its parent.
1930
file_id = ie.file_id
1931
rev_id = rev.revision_id
1932
w = self.text_weaves.get(file_id)
1935
self.text_weaves[file_id] = w
1936
text_changed = False
1937
previous_entries = ie.find_previous_heads(parent_invs,
1941
for old_revision in previous_entries:
1942
# if this fails, its a ghost ?
1943
assert old_revision in self.converted_revs, \
1944
"Revision {%s} not in converted_revs" % old_revision
1945
self.snapshot_ie(previous_entries, ie, w, rev_id)
1947
assert getattr(ie, 'revision', None) is not None
1949
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
1950
# TODO: convert this logic, which is ~= snapshot to
1951
# a call to:. This needs the path figured out. rather than a work_tree
1952
# a v4 revision_tree can be given, or something that looks enough like
1953
# one to give the file content to the entry if it needs it.
1954
# and we need something that looks like a weave store for snapshot to
1956
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
1957
if len(previous_revisions) == 1:
1958
previous_ie = previous_revisions.values()[0]
1959
if ie._unchanged(previous_ie):
1960
ie.revision = previous_ie.revision
1963
text = self.branch.repository.weave_store.get(ie.text_id)
1964
file_lines = text.readlines()
1965
assert sha_strings(file_lines) == ie.text_sha1
1966
assert sum(map(len, file_lines)) == ie.text_size
1967
w.add_lines(rev_id, previous_revisions, file_lines)
1968
self.text_count += 1
1970
w.add_lines(rev_id, previous_revisions, [])
1971
ie.revision = rev_id
1973
def _make_order(self):
1974
"""Return a suitable order for importing revisions.
1976
The order must be such that an revision is imported after all
1977
its (present) parents.
1979
todo = set(self.revisions.keys())
1980
done = self.absent_revisions.copy()
1983
# scan through looking for a revision whose parents
1985
for rev_id in sorted(list(todo)):
1986
rev = self.revisions[rev_id]
1987
parent_ids = set(rev.parent_ids)
1988
if parent_ids.issubset(done):
1989
# can take this one now
1990
order.append(rev_id)
1996
class ConvertBzrDir5To6(Converter):
1997
"""Converts format 5 bzr dirs to format 6."""
1999
def convert(self, to_convert, pb):
2000
"""See Converter.convert()."""
2001
self.bzrdir = to_convert
2003
self.pb.note('starting upgrade from format 5 to 6')
2004
self._convert_to_prefixed()
2005
return BzrDir.open(self.bzrdir.root_transport.base)
2007
def _convert_to_prefixed(self):
2008
from bzrlib.store import TransportStore
2009
self.bzrdir.transport.delete('branch-format')
2010
for store_name in ["weaves", "revision-store"]:
2011
self.pb.note("adding prefixes to %s" % store_name)
2012
store_transport = self.bzrdir.transport.clone(store_name)
2013
store = TransportStore(store_transport, prefixed=True)
2014
for urlfilename in store_transport.list_dir('.'):
2015
filename = urlutils.unescape(urlfilename)
2016
if (filename.endswith(".weave") or
2017
filename.endswith(".gz") or
2018
filename.endswith(".sig")):
2019
file_id = os.path.splitext(filename)[0]
2022
prefix_dir = store.hash_prefix(file_id)
2023
# FIXME keep track of the dirs made RBC 20060121
2025
store_transport.move(filename, prefix_dir + '/' + filename)
2026
except errors.NoSuchFile: # catches missing dirs strangely enough
2027
store_transport.mkdir(prefix_dir)
2028
store_transport.move(filename, prefix_dir + '/' + filename)
2029
self.bzrdir._control_files.put_utf8('branch-format', BzrDirFormat6().get_format_string())
2032
class ConvertBzrDir6ToMeta(Converter):
2033
"""Converts format 6 bzr dirs to metadirs."""
2035
def convert(self, to_convert, pb):
2036
"""See Converter.convert()."""
2037
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2038
from bzrlib.branch import BzrBranchFormat5
2039
self.bzrdir = to_convert
2042
self.total = 20 # the steps we know about
2043
self.garbage_inventories = []
2045
self.pb.note('starting upgrade from format 6 to metadir')
2046
self.bzrdir._control_files.put_utf8('branch-format', "Converting to format 6")
2047
# its faster to move specific files around than to open and use the apis...
2048
# first off, nuke ancestry.weave, it was never used.
2050
self.step('Removing ancestry.weave')
2051
self.bzrdir.transport.delete('ancestry.weave')
2052
except errors.NoSuchFile:
2054
# find out whats there
2055
self.step('Finding branch files')
2056
last_revision = self.bzrdir.open_branch().last_revision()
2057
bzrcontents = self.bzrdir.transport.list_dir('.')
2058
for name in bzrcontents:
2059
if name.startswith('basis-inventory.'):
2060
self.garbage_inventories.append(name)
2061
# create new directories for repository, working tree and branch
2062
self.dir_mode = self.bzrdir._control_files._dir_mode
2063
self.file_mode = self.bzrdir._control_files._file_mode
2064
repository_names = [('inventory.weave', True),
2065
('revision-store', True),
2067
self.step('Upgrading repository ')
2068
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2069
self.make_lock('repository')
2070
# we hard code the formats here because we are converting into
2071
# the meta format. The meta format upgrader can take this to a
2072
# future format within each component.
2073
self.put_format('repository', RepositoryFormat7())
2074
for entry in repository_names:
2075
self.move_entry('repository', entry)
2077
self.step('Upgrading branch ')
2078
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2079
self.make_lock('branch')
2080
self.put_format('branch', BzrBranchFormat5())
2081
branch_files = [('revision-history', True),
2082
('branch-name', True),
2084
for entry in branch_files:
2085
self.move_entry('branch', entry)
2087
checkout_files = [('pending-merges', True),
2088
('inventory', True),
2089
('stat-cache', False)]
2090
# If a mandatory checkout file is not present, the branch does not have
2091
# a functional checkout. Do not create a checkout in the converted
2093
for name, mandatory in checkout_files:
2094
if mandatory and name not in bzrcontents:
2095
has_checkout = False
2099
if not has_checkout:
2100
self.pb.note('No working tree.')
2101
# If some checkout files are there, we may as well get rid of them.
2102
for name, mandatory in checkout_files:
2103
if name in bzrcontents:
2104
self.bzrdir.transport.delete(name)
2106
from bzrlib.workingtree import WorkingTreeFormat3
2107
self.step('Upgrading working tree')
2108
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2109
self.make_lock('checkout')
2111
'checkout', WorkingTreeFormat3())
2112
self.bzrdir.transport.delete_multi(
2113
self.garbage_inventories, self.pb)
2114
for entry in checkout_files:
2115
self.move_entry('checkout', entry)
2116
if last_revision is not None:
2117
self.bzrdir._control_files.put_utf8(
2118
'checkout/last-revision', last_revision)
2119
self.bzrdir._control_files.put_utf8(
2120
'branch-format', BzrDirMetaFormat1().get_format_string())
2121
return BzrDir.open(self.bzrdir.root_transport.base)
2123
def make_lock(self, name):
2124
"""Make a lock for the new control dir name."""
2125
self.step('Make %s lock' % name)
2126
ld = lockdir.LockDir(self.bzrdir.transport,
2128
file_modebits=self.file_mode,
2129
dir_modebits=self.dir_mode)
2132
def move_entry(self, new_dir, entry):
2133
"""Move then entry name into new_dir."""
2135
mandatory = entry[1]
2136
self.step('Moving %s' % name)
2138
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2139
except errors.NoSuchFile:
2143
def put_format(self, dirname, format):
2144
self.bzrdir._control_files.put_utf8('%s/format' % dirname, format.get_format_string())
2147
class ConvertMetaToMeta(Converter):
1748
BzrProber.formats.register(BzrDirMetaFormat1.get_format_string(),
1750
controldir.ControlDirFormat._default_format = BzrDirMetaFormat1()
1753
class BzrDirMetaFormat1Colo(BzrDirMetaFormat1):
1754
"""BzrDirMeta1 format with support for colocated branches."""
1756
colocated_branches = True
1759
def get_format_string(cls):
1760
"""See BzrDirFormat.get_format_string()."""
1761
return "Bazaar meta directory, format 1 (with colocated branches)\n"
1763
def get_format_description(self):
1764
"""See BzrDirFormat.get_format_description()."""
1765
return "Meta directory format 1 with support for colocated branches"
1767
def _open(self, transport):
1768
"""See BzrDirFormat._open."""
1769
# Create a new format instance because otherwise initialisation of new
1770
# metadirs share the global default format object leading to alias
1772
format = BzrDirMetaFormat1Colo()
1773
self._supply_sub_formats_to(format)
1774
return BzrDirMeta1(transport, format)
1777
BzrProber.formats.register(BzrDirMetaFormat1Colo.get_format_string(),
1778
BzrDirMetaFormat1Colo)
1781
class ConvertMetaToMeta(controldir.Converter):
2148
1782
"""Converts the components of metadirs."""
2150
1784
def __init__(self, target_format):
2193
1838
# TODO: conversions of Branch and Tree should be done by
2194
1839
# InterXFormat lookups
2195
if (isinstance(tree, workingtree.WorkingTree3) and
2196
not isinstance(tree, workingtree_4.WorkingTree4) and
1840
if (isinstance(tree, workingtree_3.WorkingTree3) and
1841
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2197
1842
isinstance(self.target_format.workingtree_format,
2198
workingtree_4.WorkingTreeFormat4)):
1843
workingtree_4.DirStateWorkingTreeFormat)):
2199
1844
workingtree_4.Converter3to4().convert(tree)
1845
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1846
not isinstance(tree, workingtree_4.WorkingTree5) and
1847
isinstance(self.target_format.workingtree_format,
1848
workingtree_4.WorkingTreeFormat5)):
1849
workingtree_4.Converter4to5().convert(tree)
1850
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1851
not isinstance(tree, workingtree_4.WorkingTree6) and
1852
isinstance(self.target_format.workingtree_format,
1853
workingtree_4.WorkingTreeFormat6)):
1854
workingtree_4.Converter4or5to6().convert(tree)
2200
1856
return to_convert
2203
# This is not in remote.py because it's small, and needs to be registered.
2204
# Putting it in remote.py creates a circular import problem.
2205
# we can make it a lazy object if the control formats is turned into something
2207
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2208
"""Format representing bzrdirs accessed via a smart server"""
2210
def get_format_description(self):
2211
return 'bzr remote bzrdir'
2214
def probe_transport(klass, transport):
2215
"""Return a RemoteBzrDirFormat object if it looks possible."""
2217
client = transport.get_smart_client()
2218
except (NotImplementedError, AttributeError,
2219
errors.TransportNotPossible):
2220
# no smart server, so not a branch for this format type.
2221
raise errors.NotBranchError(path=transport.base)
2223
# Send a 'hello' request in protocol version one, and decline to
2224
# open it if the server doesn't support our required version (2) so
2225
# that the VFS-based transport will do it.
2226
request = client.get_request()
2227
smart_protocol = protocol.SmartClientRequestProtocolOne(request)
2228
server_version = smart_protocol.query_version()
2229
if server_version != 2:
2230
raise errors.NotBranchError(path=transport.base)
2233
def initialize_on_transport(self, transport):
2235
# hand off the request to the smart server
2236
shared_medium = transport.get_shared_medium()
2237
except errors.NoSmartMedium:
2238
# TODO: lookup the local format from a server hint.
2239
local_dir_format = BzrDirMetaFormat1()
2240
return local_dir_format.initialize_on_transport(transport)
2241
client = _SmartClient(shared_medium)
2242
path = client.remote_path_from_transport(transport)
2243
response = _SmartClient(shared_medium).call('BzrDirFormat.initialize',
2245
assert response[0] in ('ok', ), 'unexpected response code %s' % (response,)
2246
return remote.RemoteBzrDir(transport)
2248
def _open(self, transport):
2249
return remote.RemoteBzrDir(transport)
2251
def __eq__(self, other):
2252
if not isinstance(other, RemoteBzrDirFormat):
2254
return self.get_format_description() == other.get_format_description()
2257
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2260
class BzrDirFormatInfo(object):
2262
def __init__(self, native, deprecated, hidden):
2263
self.deprecated = deprecated
2264
self.native = native
2265
self.hidden = hidden
2268
class BzrDirFormatRegistry(registry.Registry):
2269
"""Registry of user-selectable BzrDir subformats.
2271
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2272
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2275
def register_metadir(self, key,
2276
repository_format, help, native=True, deprecated=False,
2280
"""Register a metadir subformat.
2282
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2283
by the Repository format.
2285
:param repository_format: The fully-qualified repository format class
2287
:param branch_format: Fully-qualified branch format class name as
2289
:param tree_format: Fully-qualified tree format class name as
2292
# This should be expanded to support setting WorkingTree and Branch
2293
# formats, once BzrDirMetaFormat1 supports that.
2294
def _load(full_name):
2295
mod_name, factory_name = full_name.rsplit('.', 1)
2297
mod = __import__(mod_name, globals(), locals(),
2299
except ImportError, e:
2300
raise ImportError('failed to load %s: %s' % (full_name, e))
2302
factory = getattr(mod, factory_name)
2303
except AttributeError:
2304
raise AttributeError('no factory %s in module %r'
2309
bd = BzrDirMetaFormat1()
2310
if branch_format is not None:
2311
bd.set_branch_format(_load(branch_format))
2312
if tree_format is not None:
2313
bd.workingtree_format = _load(tree_format)
2314
if repository_format is not None:
2315
bd.repository_format = _load(repository_format)
2317
self.register(key, helper, help, native, deprecated, hidden)
2319
def register(self, key, factory, help, native=True, deprecated=False,
2321
"""Register a BzrDirFormat factory.
2323
The factory must be a callable that takes one parameter: the key.
2324
It must produce an instance of the BzrDirFormat when called.
2326
This function mainly exists to prevent the info object from being
2329
registry.Registry.register(self, key, factory, help,
2330
BzrDirFormatInfo(native, deprecated, hidden))
2332
def register_lazy(self, key, module_name, member_name, help, native=True,
2333
deprecated=False, hidden=False):
2334
registry.Registry.register_lazy(self, key, module_name, member_name,
2335
help, BzrDirFormatInfo(native, deprecated, hidden))
2337
def set_default(self, key):
2338
"""Set the 'default' key to be a clone of the supplied key.
2340
This method must be called once and only once.
2342
registry.Registry.register(self, 'default', self.get(key),
2343
self.get_help(key), info=self.get_info(key))
2345
def set_default_repository(self, key):
2346
"""Set the FormatRegistry default and Repository default.
2348
This is a transitional method while Repository.set_default_format
2351
if 'default' in self:
2352
self.remove('default')
2353
self.set_default(key)
2354
format = self.get('default')()
2355
assert isinstance(format, BzrDirMetaFormat1)
2357
def make_bzrdir(self, key):
2358
return self.get(key)()
2360
def help_topic(self, topic):
2361
output = textwrap.dedent("""\
2362
These formats can be used for creating branches, working trees, and
2366
default_realkey = None
2367
default_help = self.get_help('default')
2369
for key in self.keys():
2370
if key == 'default':
2372
help = self.get_help(key)
2373
if help == default_help:
2374
default_realkey = key
2376
help_pairs.append((key, help))
2378
def wrapped(key, help, info):
2380
help = '(native) ' + help
2381
return ':%s:\n%s\n\n' % (key,
2382
textwrap.fill(help, initial_indent=' ',
2383
subsequent_indent=' '))
2384
if default_realkey is not None:
2385
output += wrapped(default_realkey, '(default) %s' % default_help,
2386
self.get_info('default'))
2387
deprecated_pairs = []
2388
for key, help in help_pairs:
2389
info = self.get_info(key)
2392
elif info.deprecated:
2393
deprecated_pairs.append((key, help))
2395
output += wrapped(key, help, info)
2396
if len(deprecated_pairs) > 0:
2397
output += "Deprecated formats are shown below.\n\n"
2398
for key, help in deprecated_pairs:
2399
info = self.get_info(key)
2400
output += wrapped(key, help, info)
2405
format_registry = BzrDirFormatRegistry()
2406
format_registry.register('weave', BzrDirFormat6,
2407
'Pre-0.8 format. Slower than knit and does not'
2408
' support checkouts or shared repositories.',
2410
format_registry.register_metadir('knit',
1859
class ConvertMetaToColo(controldir.Converter):
1860
"""Add colocated branch support."""
1862
def __init__(self, target_format):
1863
"""Create a converter.that upgrades a metadir to the colo format.
1865
:param target_format: The final metadir format that is desired.
1867
self.target_format = target_format
1869
def convert(self, to_convert, pb):
1870
"""See Converter.convert()."""
1871
to_convert.transport.put_bytes('branch-format',
1872
self.target_format.as_string())
1873
return BzrDir.open_from_transport(to_convert.root_transport)
1876
class ConvertMetaToColo(controldir.Converter):
1877
"""Convert a 'development-colo' bzrdir to a '2a' bzrdir."""
1879
def __init__(self, target_format):
1880
"""Create a converter that converts a 'development-colo' metadir
1883
:param target_format: The final metadir format that is desired.
1885
self.target_format = target_format
1887
def convert(self, to_convert, pb):
1888
"""See Converter.convert()."""
1889
to_convert.transport.put_bytes('branch-format',
1890
self.target_format.as_string())
1891
return BzrDir.open_from_transport(to_convert.root_transport)
1894
controldir.ControlDirFormat.register_server_prober(RemoteBzrProber)
1897
class RepositoryAcquisitionPolicy(object):
1898
"""Abstract base class for repository acquisition policies.
1900
A repository acquisition policy decides how a BzrDir acquires a repository
1901
for a branch that is being created. The most basic policy decision is
1902
whether to create a new repository or use an existing one.
1904
def __init__(self, stack_on, stack_on_pwd, require_stacking):
1907
:param stack_on: A location to stack on
1908
:param stack_on_pwd: If stack_on is relative, the location it is
1910
:param require_stacking: If True, it is a failure to not stack.
1912
self._stack_on = stack_on
1913
self._stack_on_pwd = stack_on_pwd
1914
self._require_stacking = require_stacking
1916
def configure_branch(self, branch):
1917
"""Apply any configuration data from this policy to the branch.
1919
Default implementation sets repository stacking.
1921
if self._stack_on is None:
1923
if self._stack_on_pwd is None:
1924
stack_on = self._stack_on
1927
stack_on = urlutils.rebase_url(self._stack_on,
1930
except errors.InvalidRebaseURLs:
1931
stack_on = self._get_full_stack_on()
1933
branch.set_stacked_on_url(stack_on)
1934
except (errors.UnstackableBranchFormat,
1935
errors.UnstackableRepositoryFormat):
1936
if self._require_stacking:
1939
def requires_stacking(self):
1940
"""Return True if this policy requires stacking."""
1941
return self._stack_on is not None and self._require_stacking
1943
def _get_full_stack_on(self):
1944
"""Get a fully-qualified URL for the stack_on location."""
1945
if self._stack_on is None:
1947
if self._stack_on_pwd is None:
1948
return self._stack_on
1950
return urlutils.join(self._stack_on_pwd, self._stack_on)
1952
def _add_fallback(self, repository, possible_transports=None):
1953
"""Add a fallback to the supplied repository, if stacking is set."""
1954
stack_on = self._get_full_stack_on()
1955
if stack_on is None:
1958
stacked_dir = BzrDir.open(stack_on,
1959
possible_transports=possible_transports)
1960
except errors.JailBreak:
1961
# We keep the stacking details, but we are in the server code so
1962
# actually stacking is not needed.
1965
stacked_repo = stacked_dir.open_branch().repository
1966
except errors.NotBranchError:
1967
stacked_repo = stacked_dir.open_repository()
1969
repository.add_fallback_repository(stacked_repo)
1970
except errors.UnstackableRepositoryFormat:
1971
if self._require_stacking:
1974
self._require_stacking = True
1976
def acquire_repository(self, make_working_trees=None, shared=False,
1977
possible_transports=None):
1978
"""Acquire a repository for this bzrdir.
1980
Implementations may create a new repository or use a pre-exising
1983
:param make_working_trees: If creating a repository, set
1984
make_working_trees to this value (if non-None)
1985
:param shared: If creating a repository, make it shared if True
1986
:return: A repository, is_new_flag (True if the repository was
1989
raise NotImplementedError(RepositoryAcquisitionPolicy.acquire_repository)
1992
class CreateRepository(RepositoryAcquisitionPolicy):
1993
"""A policy of creating a new repository"""
1995
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
1996
require_stacking=False):
1999
:param bzrdir: The bzrdir to create the repository on.
2000
:param stack_on: A location to stack on
2001
:param stack_on_pwd: If stack_on is relative, the location it is
2004
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2006
self._bzrdir = bzrdir
2008
def acquire_repository(self, make_working_trees=None, shared=False,
2009
possible_transports=None):
2010
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2012
Creates the desired repository in the bzrdir we already have.
2014
if possible_transports is None:
2015
possible_transports = []
2017
possible_transports = list(possible_transports)
2018
possible_transports.append(self._bzrdir.root_transport)
2019
stack_on = self._get_full_stack_on()
2021
format = self._bzrdir._format
2022
format.require_stacking(stack_on=stack_on,
2023
possible_transports=possible_transports)
2024
if not self._require_stacking:
2025
# We have picked up automatic stacking somewhere.
2026
note(gettext('Using default stacking branch {0} at {1}').format(
2027
self._stack_on, self._stack_on_pwd))
2028
repository = self._bzrdir.create_repository(shared=shared)
2029
self._add_fallback(repository,
2030
possible_transports=possible_transports)
2031
if make_working_trees is not None:
2032
repository.set_make_working_trees(make_working_trees)
2033
return repository, True
2036
class UseExistingRepository(RepositoryAcquisitionPolicy):
2037
"""A policy of reusing an existing repository"""
2039
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2040
require_stacking=False):
2043
:param repository: The repository to use.
2044
:param stack_on: A location to stack on
2045
:param stack_on_pwd: If stack_on is relative, the location it is
2048
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2050
self._repository = repository
2052
def acquire_repository(self, make_working_trees=None, shared=False,
2053
possible_transports=None):
2054
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2056
Returns an existing repository to use.
2058
if possible_transports is None:
2059
possible_transports = []
2061
possible_transports = list(possible_transports)
2062
possible_transports.append(self._repository.bzrdir.transport)
2063
self._add_fallback(self._repository,
2064
possible_transports=possible_transports)
2065
return self._repository, False
2068
def register_metadir(registry, key,
2069
repository_format, help, native=True, deprecated=False,
2074
alias=False, bzrdir_format=None):
2075
"""Register a metadir subformat.
2077
These all use a meta bzrdir, but can be parameterized by the
2078
Repository/Branch/WorkingTreeformats.
2080
:param repository_format: The fully-qualified repository format class
2082
:param branch_format: Fully-qualified branch format class name as
2084
:param tree_format: Fully-qualified tree format class name as
2087
if bzrdir_format is None:
2088
bzrdir_format = BzrDirMetaFormat1
2089
# This should be expanded to support setting WorkingTree and Branch
2090
# formats, once the API supports that.
2091
def _load(full_name):
2092
mod_name, factory_name = full_name.rsplit('.', 1)
2094
factory = pyutils.get_named_object(mod_name, factory_name)
2095
except ImportError, e:
2096
raise ImportError('failed to load %s: %s' % (full_name, e))
2097
except AttributeError:
2098
raise AttributeError('no factory %s in module %r'
2099
% (full_name, sys.modules[mod_name]))
2103
bd = bzrdir_format()
2104
if branch_format is not None:
2105
bd.set_branch_format(_load(branch_format))
2106
if tree_format is not None:
2107
bd.workingtree_format = _load(tree_format)
2108
if repository_format is not None:
2109
bd.repository_format = _load(repository_format)
2111
registry.register(key, helper, help, native, deprecated, hidden,
2112
experimental, alias)
2114
register_metadir(controldir.format_registry, 'knit',
2411
2115
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2412
2116
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2413
branch_format='bzrlib.branch.BzrBranchFormat5',
2414
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2415
format_registry.register_metadir('metaweave',
2416
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2417
'Transitional format in 0.8. Slower than knit.',
2418
branch_format='bzrlib.branch.BzrBranchFormat5',
2419
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2421
format_registry.register_metadir('dirstate',
2422
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2423
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2424
'above when accessed over the network.',
2425
branch_format='bzrlib.branch.BzrBranchFormat5',
2426
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2427
# directly from workingtree_4 triggers a circular import.
2428
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2430
format_registry.register_metadir('dirstate-tags',
2431
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2432
help='New in 0.15: Fast local operations and improved scaling for '
2433
'network operations. Additionally adds support for tags.'
2434
' Incompatible with bzr < 0.15.',
2435
branch_format='bzrlib.branch.BzrBranchFormat6',
2436
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2438
format_registry.register_metadir('dirstate-with-subtree',
2117
branch_format='bzrlib.branchfmt.fullhistory.BzrBranchFormat5',
2118
tree_format='bzrlib.workingtree_3.WorkingTreeFormat3',
2121
register_metadir(controldir.format_registry, 'dirstate',
2122
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2123
help='Format using dirstate for working trees. '
2124
'Compatible with bzr 0.8 and '
2125
'above when accessed over the network. Introduced in bzr 0.15.',
2126
branch_format='bzrlib.branchfmt.fullhistory.BzrBranchFormat5',
2127
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2130
register_metadir(controldir.format_registry, 'dirstate-tags',
2131
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2132
help='Variant of dirstate with support for tags. '
2133
'Introduced in bzr 0.15.',
2134
branch_format='bzrlib.branch.BzrBranchFormat6',
2135
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2138
register_metadir(controldir.format_registry, 'rich-root',
2139
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2140
help='Variant of dirstate with better handling of tree roots. '
2141
'Introduced in bzr 1.0',
2142
branch_format='bzrlib.branch.BzrBranchFormat6',
2143
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2146
register_metadir(controldir.format_registry, 'dirstate-with-subtree',
2439
2147
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2440
help='New in 0.15: Fast local operations and improved scaling for '
2441
'network operations. Additionally adds support for versioning nested '
2442
'bzr branches. Incompatible with bzr < 0.15.',
2443
branch_format='bzrlib.branch.BzrBranchFormat6',
2444
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2447
format_registry.set_default('dirstate-tags')
2148
help='Variant of dirstate with support for nested trees. '
2149
'Introduced in 0.15.',
2150
branch_format='bzrlib.branch.BzrBranchFormat6',
2151
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2155
register_metadir(controldir.format_registry, 'pack-0.92',
2156
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack1',
2157
help='Pack-based format used in 1.x series. Introduced in 0.92. '
2158
'Interoperates with bzr repositories before 0.92 but cannot be '
2159
'read by bzr < 0.92. '
2161
branch_format='bzrlib.branch.BzrBranchFormat6',
2162
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2165
register_metadir(controldir.format_registry, 'pack-0.92-subtree',
2166
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack3',
2167
help='Pack-based format used in 1.x series, with subtree support. '
2168
'Introduced in 0.92. Interoperates with '
2169
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2171
branch_format='bzrlib.branch.BzrBranchFormat6',
2172
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2177
register_metadir(controldir.format_registry, 'rich-root-pack',
2178
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack4',
2179
help='A variant of pack-0.92 that supports rich-root data '
2180
'(needed for bzr-svn and bzr-git). Introduced in 1.0.',
2181
branch_format='bzrlib.branch.BzrBranchFormat6',
2182
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2186
register_metadir(controldir.format_registry, '1.6',
2187
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5',
2188
help='A format that allows a branch to indicate that there is another '
2189
'(stacked) repository that should be used to access data that is '
2190
'not present locally.',
2191
branch_format='bzrlib.branch.BzrBranchFormat7',
2192
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2196
register_metadir(controldir.format_registry, '1.6.1-rich-root',
2197
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5RichRoot',
2198
help='A variant of 1.6 that supports rich-root data '
2199
'(needed for bzr-svn and bzr-git).',
2200
branch_format='bzrlib.branch.BzrBranchFormat7',
2201
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2205
register_metadir(controldir.format_registry, '1.9',
2206
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2207
help='A repository format using B+tree indexes. These indexes '
2208
'are smaller in size, have smarter caching and provide faster '
2209
'performance for most operations.',
2210
branch_format='bzrlib.branch.BzrBranchFormat7',
2211
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2215
register_metadir(controldir.format_registry, '1.9-rich-root',
2216
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2217
help='A variant of 1.9 that supports rich-root data '
2218
'(needed for bzr-svn and bzr-git).',
2219
branch_format='bzrlib.branch.BzrBranchFormat7',
2220
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2224
register_metadir(controldir.format_registry, '1.14',
2225
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2226
help='A working-tree format that supports content filtering.',
2227
branch_format='bzrlib.branch.BzrBranchFormat7',
2228
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2232
register_metadir(controldir.format_registry, '1.14-rich-root',
2233
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2234
help='A variant of 1.14 that supports rich-root data '
2235
'(needed for bzr-svn and bzr-git).',
2236
branch_format='bzrlib.branch.BzrBranchFormat7',
2237
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2241
# The following un-numbered 'development' formats should always just be aliases.
2242
register_metadir(controldir.format_registry, 'development-subtree',
2243
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2aSubtree',
2244
help='Current development format, subtree variant. Can convert data to and '
2245
'from pack-0.92-subtree (and anything compatible with '
2246
'pack-0.92-subtree) format repositories. Repositories and branches in '
2247
'this format can only be read by bzr.dev. Please read '
2248
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2250
branch_format='bzrlib.branch.BzrBranchFormat7',
2251
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2254
alias=False, # Restore to being an alias when an actual development subtree format is added
2255
# This current non-alias status is simply because we did not introduce a
2256
# chk based subtree format.
2258
register_metadir(controldir.format_registry, 'development5-subtree',
2259
'bzrlib.repofmt.knitpack_repo.RepositoryFormatPackDevelopment2Subtree',
2260
help='Development format, subtree variant. Can convert data to and '
2261
'from pack-0.92-subtree (and anything compatible with '
2262
'pack-0.92-subtree) format repositories. Repositories and branches in '
2263
'this format can only be read by bzr.dev. Please read '
2264
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2266
branch_format='bzrlib.branch.BzrBranchFormat7',
2267
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2273
register_metadir(controldir.format_registry, 'development-colo',
2274
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2275
help='The 2a format with experimental support for colocated branches.\n',
2276
branch_format='bzrlib.branch.BzrBranchFormat7',
2277
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2279
bzrdir_format=BzrDirMetaFormat1Colo,
2283
# And the development formats above will have aliased one of the following:
2285
# Finally, the current format.
2286
register_metadir(controldir.format_registry, '2a',
2287
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2288
help='Format for the bzr 2.0 series.\n'
2289
'Uses group-compress storage.\n'
2290
'Provides rich roots which are a one-way transition.\n',
2291
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
2292
# 'rich roots. Supported by bzr 1.16 and later.',
2293
branch_format='bzrlib.branch.BzrBranchFormat7',
2294
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2298
# The following format should be an alias for the rich root equivalent
2299
# of the default format
2300
register_metadir(controldir.format_registry, 'default-rich-root',
2301
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2302
branch_format='bzrlib.branch.BzrBranchFormat7',
2303
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2308
# The current format that is made on 'bzr init'.
2309
format_name = config.GlobalStack().get('default_format')
2310
controldir.format_registry.set_default(format_name)
2312
# XXX 2010-08-20 JRV: There is still a lot of code relying on
2313
# bzrlib.bzrdir.format_registry existing. When BzrDir.create/BzrDir.open/etc
2314
# get changed to ControlDir.create/ControlDir.open/etc this should be removed.
2315
format_registry = controldir.format_registry
added
removed
bzrlib/bzrdir.py
