111
116
thing_to_unlock.break_lock()
113
def can_convert_format(self):
114
"""Return true if this bzrdir is one whose format we can convert from."""
117
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.
118
122
target_repo_format = target_format.repository_format
119
source_repo_format = self._format.repository_format
120
source_repo_format.check_conversion_target(target_repo_format)
123
def _check_supported(format, allow_unsupported,
124
recommend_upgrade=True,
126
"""Give an error or warning on old formats.
128
:param format: may be any kind of format - workingtree, branch,
131
:param allow_unsupported: If true, allow opening
132
formats that are strongly deprecated, and which may
133
have limited functionality.
135
:param recommend_upgrade: If true (default), warn
136
the user through the ui object that they may wish
137
to upgrade the object.
139
# TODO: perhaps move this into a base Format class; it's not BzrDir
140
# specific. mbp 20070323
141
if not allow_unsupported and not format.is_supported():
142
# see open_downlevel to open legacy branches.
143
raise errors.UnsupportedFormatError(format=format)
144
if recommend_upgrade \
145
and getattr(format, 'upgrade_recommended', False):
146
ui.ui_factory.recommend_upgrade(
147
format.get_format_description(),
150
def clone(self, url, revision_id=None, force_new_repo=False):
151
"""Clone this bzrdir and its contents to url verbatim.
153
If urls last component does not exist, it will be created.
155
if revision_id is not None, then the clone operation may tune
156
itself to download less data.
157
:param force_new_repo: Do not use a shared repository for the target
158
even if one is available.
160
return self.clone_on_transport(get_transport(url),
161
revision_id=revision_id,
162
force_new_repo=force_new_repo)
124
self.open_repository()._format.check_conversion_target(
126
except errors.NoRepositoryPresent:
127
# No repo, no problem.
164
130
def clone_on_transport(self, transport, revision_id=None,
165
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):
166
133
"""Clone this bzrdir and its contents to transport verbatim.
168
If the target directory does not exist, it will be created.
170
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
171
139
itself to download less data.
172
: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,
173
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.
175
transport.ensure_base()
176
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:
178
159
local_repo = self.find_repository()
179
160
except errors.NoRepositoryPresent:
180
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,
182
# may need to copy content in
184
result_repo = local_repo.clone(
186
revision_id=revision_id)
187
result_repo.set_make_working_trees(local_repo.make_working_trees())
190
result_repo = result.find_repository()
191
# 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)
192
211
result_repo.fetch(local_repo, revision_id=revision_id)
193
except errors.NoRepositoryPresent:
194
# needed to make one anyway.
195
result_repo = local_repo.clone(
197
revision_id=revision_id)
198
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)
199
217
# 1 if there is a branch present
200
218
# make sure its content is available in the target repository
203
self.open_branch().clone(result, revision_id=revision_id)
204
except errors.NotBranchError:
207
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)
208
229
except (errors.NoWorkingTree, errors.NotLocalUrl):
212
233
# TODO: This should be given a Transport, and should chdir up; otherwise
213
234
# this will open a new connection.
214
235
def _make_tail(self, url):
215
t = get_transport(url)
219
def create(cls, base, format=None, possible_transports=None):
220
"""Create a new BzrDir at the url 'base'.
222
This will call the current default formats initialize with base
223
as the only parameter.
225
:param format: If supplied, the format of branch to create. If not
226
supplied, the default is used.
227
:param possible_transports: If supplied, a list of transports that
228
can be reused to share a remote connection.
230
if cls is not BzrDir:
231
raise AssertionError("BzrDir.create always creates the default"
232
" format, not one of %r" % cls)
233
t = get_transport(base, possible_transports)
236
format = BzrDirFormat.get_default_format()
237
return format.initialize(base, possible_transports)
239
def create_branch(self):
240
"""Create a branch in this BzrDir.
242
The bzrdirs format will control what branch format is created.
243
For more control see BranchFormatXX.create(a_bzrdir).
245
raise NotImplementedError(self.create_branch)
248
def create_branch_and_repo(base, force_new_repo=False, format=None):
249
"""Create a new BzrDir, Branch and Repository at the url 'base'.
251
This will use the current default BzrDirFormat, and use whatever
252
repository format that that uses via bzrdir.create_branch and
253
create_repository. If a shared repository is available that is used
256
The created Branch object is returned.
258
:param base: The URL to create the branch at.
259
:param force_new_repo: If True a new repository is always created.
261
bzrdir = BzrDir.create(base, format)
262
bzrdir._find_or_create_repository(force_new_repo)
263
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)
265
300
def _find_or_create_repository(self, force_new_repo):
266
301
"""Create a new repository if needed, returning the repository."""
268
return self.create_repository()
270
return self.find_repository()
271
except errors.NoRepositoryPresent:
272
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.
275
def create_branch_convenience(base, force_new_repo=False,
276
force_new_tree=None, format=None,
277
possible_transports=None):
278
"""Create a new BzrDir, Branch and Repository at the url 'base'.
280
This is a convenience function - it will use an existing repository
281
if possible, can be told explicitly whether to create a working tree or
284
This will use the current default BzrDirFormat, and use whatever
285
repository format that that uses via bzrdir.create_branch and
286
create_repository. If a shared repository is available that is used
287
preferentially. Whatever repository is used, its tree creation policy
290
The created Branch object is returned.
291
If a working tree cannot be made due to base not being a file:// url,
292
no error is raised unless force_new_tree is True, in which case no
293
data is created on disk and NotLocalUrl is raised.
295
:param base: The URL to create the branch at.
296
:param force_new_repo: If True a new repository is always created.
297
:param force_new_tree: If True or False force creation of a tree or
298
prevent such creation respectively.
299
:param format: Override for the for the bzrdir format to create.
300
:param possible_transports: An optional reusable transports list.
303
# check for non local urls
304
t = get_transport(base, possible_transports)
305
if not isinstance(t, LocalTransport):
306
raise errors.NotLocalUrl(base)
307
bzrdir = BzrDir.create(base, format, possible_transports)
308
repo = bzrdir._find_or_create_repository(force_new_repo)
309
result = bzrdir.create_branch()
310
if force_new_tree or (repo.make_working_trees() and
311
force_new_tree is None):
313
bzrdir.create_workingtree()
314
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,
319
@deprecated_function(zero_ninetyone)
320
def create_repository(base, shared=False, format=None):
321
"""Create a new BzrDir and Repository at the url 'base'.
323
If no format is supplied, this will default to the current default
324
BzrDirFormat by default, and use whatever repository format that that
325
uses for bzrdirformat.create_repository.
327
:param shared: Create a shared repository rather than a standalone
329
The Repository object is returned.
331
This must be overridden as an instance method in child classes, where
332
it should take no parameters and construct whatever repository format
333
that child class desires.
335
This method is deprecated, please call create_repository on a bzrdir
338
bzrdir = BzrDir.create(base, format)
339
return bzrdir.create_repository(shared)
342
def create_standalone_workingtree(base, format=None):
343
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
345
'base' must be a local path or a file:// url.
347
This will use the current default BzrDirFormat, and use whatever
348
repository format that that uses for bzrdirformat.create_workingtree,
349
create_branch and create_repository.
351
:return: The WorkingTree object.
353
t = get_transport(base)
354
if not isinstance(t, LocalTransport):
355
raise errors.NotLocalUrl(base)
356
bzrdir = BzrDir.create_branch_and_repo(base,
358
format=format).bzrdir
359
return bzrdir.create_workingtree()
361
def create_workingtree(self, revision_id=None):
362
"""Create a working tree at this BzrDir.
364
revision_id: create it as of this revision id.
366
raise NotImplementedError(self.create_workingtree)
368
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):
369
496
"""Permanently disable the bzrdir.
371
498
This is done by renaming it to give the user some ability to recover
374
501
This will have horrible consequences if anyone has anything locked or
503
:param limit: number of times to retry
377
for i in xrange(10000):
379
508
to_path = '.bzr.retired.%d' % i
380
509
self.root_transport.rename('.bzr', to_path)
381
note("renamed %s to %s"
382
% (self.root_transport.abspath('.bzr'), to_path))
510
note(gettext("renamed {0} to {1}").format(
511
self.root_transport.abspath('.bzr'), to_path))
384
513
except (errors.TransportError, IOError, errors.PathError):
387
def destroy_workingtree(self):
388
"""Destroy the working tree at this BzrDir.
390
Formats that do not support this may raise UnsupportedOperation.
392
raise NotImplementedError(self.destroy_workingtree)
394
def destroy_workingtree_metadata(self):
395
"""Destroy the control files for the working tree at this BzrDir.
397
The contents of working tree files are not affected.
398
Formats that do not support this may raise UnsupportedOperation.
400
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:
402
549
def find_repository(self):
403
"""Find the repository that should be used for a_bzrdir.
550
"""Find the repository that should be used.
405
552
This does not require a branch as we use it to find the repo for
406
553
new branches as well as to hook existing branches up to their
410
return self.open_repository()
411
except errors.NoRepositoryPresent:
413
next_transport = self.root_transport.clone('..')
415
# find the next containing bzrdir
417
found_bzrdir = BzrDir.open_containing_from_transport(
419
except errors.NotBranchError:
421
raise errors.NoRepositoryPresent(self)
556
def usable_repository(found_bzrdir):
422
557
# does it have a repository ?
424
559
repository = found_bzrdir.open_repository()
425
560
except errors.NoRepositoryPresent:
426
next_transport = found_bzrdir.root_transport.clone('..')
427
if (found_bzrdir.root_transport.base == next_transport.base):
428
# top of the file system
432
if ((found_bzrdir.root_transport.base ==
433
self.root_transport.base) or repository.is_shared()):
436
raise errors.NoRepositoryPresent(self)
437
raise errors.NoRepositoryPresent(self)
439
def get_branch_reference(self):
440
"""Return the referenced URL for the branch in this bzrdir.
442
:raises NotBranchError: If there is no Branch.
443
:return: The URL the branch in this bzrdir references if it is a
444
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."""
448
def get_branch_transport(self, branch_format):
449
"""Get the transport for use by branch format in this BzrDir.
451
Note that bzr dirs that do not support format strings will raise
452
IncompatibleFormat if the branch format they are given has
453
a format string, and vice versa.
455
If branch_format is None, the transport is returned with no
456
checking. if it is not None, then the returned transport is
457
guaranteed to point to an existing directory ready for use.
459
raise NotImplementedError(self.get_branch_transport)
461
def get_repository_transport(self, repository_format):
462
"""Get the transport for use by repository format in this BzrDir.
464
Note that bzr dirs that do not support format strings will raise
465
IncompatibleFormat if the repository format they are given has
466
a format string, and vice versa.
468
If repository_format is None, the transport is returned with no
469
checking. if it is not None, then the returned transport is
470
guaranteed to point to an existing directory ready for use.
472
raise NotImplementedError(self.get_repository_transport)
474
def get_workingtree_transport(self, tree_format):
475
"""Get the transport for use by workingtree format in this BzrDir.
477
Note that bzr dirs that do not support format strings will raise
478
IncompatibleFormat if the workingtree format they are given has a
479
format string, and vice versa.
481
If workingtree_format is None, the transport is returned with no
482
checking. if it is not None, then the returned transport is
483
guaranteed to point to an existing directory ready for use.
485
raise NotImplementedError(self.get_workingtree_transport)
487
626
def __init__(self, _transport, _format):
488
627
"""Initialize a Bzr control dir object.
490
629
Only really common logic should reside here, concrete classes should be
491
630
made with varying behaviours.
494
633
:param _transport: the transport this dir is based at.
496
635
self._format = _format
636
# these are also under the more standard names of
637
# control_transport and user_transport
497
638
self.transport = _transport.clone('.bzr')
498
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
500
650
def is_control_filename(self, filename):
501
651
"""True if filename is the name of a path which is reserved for bzrdir's.
503
653
:param filename: A filename within the root transport of this bzrdir.
505
655
This is true IF and ONLY IF the filename is part of the namespace reserved
506
656
for bzr control dirs. Currently this is the '.bzr' directory in the root
507
of the root_transport. it is expected that plugins will need to extend
508
this in the future - for instance to make bzr talk with svn working
657
of the root_transport.
511
# this might be better on the BzrDirFormat class because it refers to
512
# all the possible bzrdir disk formats.
513
# This method is tested via the workingtree is_control_filename tests-
514
# it was extracted from WorkingTree.is_control_filename. If the methods
515
# 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
516
664
# add new tests for it to the appropriate place.
517
665
return filename == '.bzr' or filename.startswith('.bzr/')
519
def needs_format_conversion(self, format=None):
520
"""Return true if this bzrdir needs convert_format run on it.
522
For instance, if the repository format is out of date but the
523
branch and working tree are not, this should return True.
525
:param format: Optional parameter indicating a specific desired
526
format we plan to arrive at.
528
raise NotImplementedError(self.needs_format_conversion)
531
def open_unsupported(base):
532
"""Open a branch which is not supported."""
533
return BzrDir.open(base, _unsupported=True)
536
def open(base, _unsupported=False):
537
"""Open an existing bzrdir, rooted at 'base' (url)
539
_unsupported is a private parameter to the BzrDir class.
541
t = get_transport(base)
542
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
545
def open_from_transport(transport, _unsupported=False,
546
_server_formats=True):
547
"""Open a bzrdir within a particular directory.
549
:param transport: Transport containing the bzrdir.
550
:param _unsupported: private.
552
base = transport.base
554
def find_format(transport):
555
return transport, BzrDirFormat.find_format(
556
transport, _server_formats=_server_formats)
558
def redirected(transport, e, redirection_notice):
559
qualified_source = e.get_source_url()
560
relpath = transport.relpath(qualified_source)
561
if not e.target.endswith(relpath):
562
# Not redirected to a branch-format, not a branch
563
raise errors.NotBranchError(path=e.target)
564
target = e.target[:-len(relpath)]
565
note('%s is%s redirected to %s',
566
transport.base, e.permanently, target)
567
# Let's try with a new transport
568
qualified_target = e.get_target_url()[:-len(relpath)]
569
# FIXME: If 'transport' has a qualifier, this should
570
# be applied again to the new transport *iff* the
571
# schemes used are the same. It's a bit tricky to
572
# verify, so I'll punt for now
574
return get_transport(target)
577
transport, format = do_catching_redirections(find_format,
580
except errors.TooManyRedirections:
581
raise errors.NotBranchError(base)
583
BzrDir._check_supported(format, _unsupported)
584
return format.open(transport, _found=True)
586
def open_branch(self, unsupported=False):
587
"""Open the branch object at this BzrDir if one is present.
589
If unsupported is True, then no longer supported branch formats can
592
TODO: static convenience version of this?
594
raise NotImplementedError(self.open_branch)
597
def open_containing(url, possible_transports=None):
598
"""Open an existing branch which contains url.
600
:param url: url to search from.
601
See open_containing_from_transport for more detail.
603
transport = get_transport(url, possible_transports)
604
return BzrDir.open_containing_from_transport(transport)
607
def open_containing_from_transport(a_transport):
608
"""Open an existing branch which contains a_transport.base
610
This probes for a branch at a_transport, and searches upwards from there.
612
Basically we keep looking up until we find the control directory or
613
run into the root. If there isn't one, raises NotBranchError.
614
If there is one and it is either an unrecognised format or an unsupported
615
format, UnknownFormatError or UnsupportedFormatError are raised.
616
If there is one, it is returned, along with the unused portion of url.
618
:return: The BzrDir that contains the path, and a Unicode path
619
for the rest of the URL.
621
# this gets the normalised url back. I.e. '.' -> the full path.
622
url = a_transport.base
625
result = BzrDir.open_from_transport(a_transport)
626
return result, urlutils.unescape(a_transport.relpath(url))
627
except errors.NotBranchError, e:
630
new_t = a_transport.clone('..')
631
except errors.InvalidURLJoin:
632
# reached the root, whatever that may be
633
raise errors.NotBranchError(path=url)
634
if new_t.base == a_transport.base:
635
# reached the root, whatever that may be
636
raise errors.NotBranchError(path=url)
640
def open_containing_tree_or_branch(klass, location):
641
"""Return the branch and working tree contained by a location.
643
Returns (tree, branch, relpath).
644
If there is no tree at containing the location, tree will be None.
645
If there is no branch containing the location, an exception will be
647
relpath is the portion of the path that is contained by the branch.
649
bzrdir, relpath = klass.open_containing(location)
651
tree = bzrdir.open_workingtree()
652
except (errors.NoWorkingTree, errors.NotLocalUrl):
654
branch = bzrdir.open_branch()
657
return tree, branch, relpath
659
def open_repository(self, _unsupported=False):
660
"""Open the repository object at this BzrDir if one is present.
662
This will not follow the Branch object pointer - its strictly a direct
663
open facility. Most client code should use open_branch().repository to
666
_unsupported is a private parameter, not part of the api.
667
TODO: static convenience version of this?
669
raise NotImplementedError(self.open_repository)
671
def open_workingtree(self, _unsupported=False,
672
recommend_upgrade=True):
673
"""Open the workingtree object at this BzrDir if one is present.
675
:param recommend_upgrade: Optional keyword parameter, when True (the
676
default), emit through the ui module a recommendation that the user
677
upgrade the working tree when the workingtree being opened is old
678
(but still fully supported).
680
raise NotImplementedError(self.open_workingtree)
682
def has_branch(self):
683
"""Tell if this bzrdir contains a branch.
685
Note: if you're going to open the branch, you should just go ahead
686
and try, and not ask permission first. (This method just opens the
687
branch and discards it, and that's somewhat expensive.)
692
except errors.NotBranchError:
695
def has_workingtree(self):
696
"""Tell if this bzrdir contains a working tree.
698
This will still raise an exception if the bzrdir has a workingtree that
699
is remote & inaccessible.
701
Note: if you're going to open the working tree, you should just go ahead
702
and try, and not ask permission first. (This method just opens the
703
workingtree and discards it, and that's somewhat expensive.)
706
self.open_workingtree(recommend_upgrade=False)
708
except errors.NoWorkingTree:
711
667
def _cloning_metadir(self):
712
"""Produce a metadir suitable for cloning with"""
668
"""Produce a metadir suitable for cloning with.
670
:returns: (destination_bzrdir_format, source_repository)
713
672
result_format = self._format.__class__()
716
branch = self.open_branch()
675
branch = self.open_branch(ignore_fallbacks=True)
717
676
source_repository = branch.repository
677
result_format._branch_format = branch._format
718
678
except errors.NotBranchError:
719
679
source_branch = None
720
680
source_repository = self.open_repository()
738
700
result_format.workingtree_format = tree._format.__class__()
739
701
return result_format, source_repository
741
def cloning_metadir(self):
703
def cloning_metadir(self, require_stacking=False):
742
704
"""Produce a metadir suitable for cloning or sprouting with.
744
706
These operations may produce workingtrees (yes, even though they're
745
"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
746
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
748
716
format, repository = self._cloning_metadir()
749
717
if format._workingtree_format is None:
750
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).
752
724
tree_format = repository._format._matchingbzrdir.workingtree_format
753
725
format.workingtree_format = tree_format.__class__()
727
format.require_stacking()
756
def checkout_metadir(self):
757
return self.cloning_metadir()
759
def sprout(self, url, revision_id=None, force_new_repo=False,
760
recurse='down', possible_transports=None):
761
"""Create a copy of this bzrdir prepared for use as a new line of
764
If urls last component does not exist, it will be created.
766
Attributes related to the identity of the source branch like
767
branch nickname will be cleaned, a working tree is created
768
whether one existed before or not; and a local branch is always
771
if revision_id is not None, then the clone operation may tune
772
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.
774
target_transport = get_transport(url, possible_transports)
775
target_transport.ensure_base()
776
cloning_format = self.cloning_metadir()
777
result = cloning_format.initialize_on_transport(target_transport)
779
source_branch = self.open_branch()
780
source_repository = source_branch.repository
781
except errors.NotBranchError:
784
source_repository = self.open_repository()
785
except errors.NoRepositoryPresent:
786
source_repository = None
791
result_repo = result.find_repository()
792
except errors.NoRepositoryPresent:
794
if source_repository is None and result_repo is not None:
796
elif source_repository is None and result_repo is None:
797
# no repo available, make a new one
798
result.create_repository()
799
elif source_repository is not None and result_repo is None:
800
# have source, and want to make a new target repo
801
result_repo = source_repository.sprout(result,
802
revision_id=revision_id)
804
# fetch needed content into target.
805
if source_repository is not None:
807
# source_repository.copy_content_into(result_repo,
808
# revision_id=revision_id)
809
# so we can override the copy method
810
result_repo.fetch(source_repository, revision_id=revision_id)
811
if source_branch is not None:
812
source_branch.sprout(result, revision_id=revision_id)
814
result.create_branch()
815
if isinstance(target_transport, LocalTransport) and (
816
result_repo is None or result_repo.make_working_trees()):
817
wt = result.create_workingtree()
820
if wt.path2id('') is None:
822
wt.set_root_id(self.open_workingtree.get_root_id())
823
except errors.NoWorkingTree:
829
if recurse == 'down':
831
basis = wt.basis_tree()
833
subtrees = basis.iter_references()
834
recurse_branch = wt.branch
835
elif source_branch is not None:
836
basis = source_branch.basis_tree()
838
subtrees = basis.iter_references()
839
recurse_branch = source_branch
844
for path, file_id in subtrees:
845
target = urlutils.join(url, urlutils.escape(path))
846
sublocation = source_branch.reference_parent(file_id, path)
847
sublocation.bzrdir.sprout(target,
848
basis.get_reference_revision(file_id, path),
849
force_new_repo=force_new_repo, recurse=recurse)
851
if basis is not None:
856
class BzrDirPreSplitOut(BzrDir):
857
"""A common class for the all-in-one formats."""
859
def __init__(self, _transport, _format):
860
"""See BzrDir.__init__."""
861
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
862
assert self._format._lock_class == lockable_files.TransportLock
863
assert self._format._lock_file_name == 'branch-lock'
864
self._control_files = lockable_files.LockableFiles(
865
self.get_branch_transport(None),
866
self._format._lock_file_name,
867
self._format._lock_class)
869
def break_lock(self):
870
"""Pre-splitout bzrdirs do not suffer from stale locks."""
871
raise NotImplementedError(self.break_lock)
873
def clone(self, url, revision_id=None, force_new_repo=False):
874
"""See BzrDir.clone()."""
875
from bzrlib.workingtree import WorkingTreeFormat2
877
result = self._format._initialize_for_clone(url)
878
self.open_repository().clone(result, revision_id=revision_id)
879
from_branch = self.open_branch()
880
from_branch.clone(result, revision_id=revision_id)
882
self.open_workingtree().clone(result)
883
except errors.NotLocalUrl:
884
# make a new one, this format always has to have one.
886
WorkingTreeFormat2().initialize(result)
887
except errors.NotLocalUrl:
888
# but we cannot do it for remote trees.
889
to_branch = result.open_branch()
890
WorkingTreeFormat2().stub_initialize_remote(to_branch.control_files)
893
def create_branch(self):
894
"""See BzrDir.create_branch."""
895
return self.open_branch()
897
def create_repository(self, shared=False):
898
"""See BzrDir.create_repository."""
900
raise errors.IncompatibleFormat('shared repository', self._format)
901
return self.open_repository()
903
def create_workingtree(self, revision_id=None):
904
"""See BzrDir.create_workingtree."""
905
# this looks buggy but is not -really-
906
# because this format creates the workingtree when the bzrdir is
908
# clone and sprout will have set the revision_id
909
# and that will have set it for us, its only
910
# specific uses of create_workingtree in isolation
911
# that can do wonky stuff here, and that only
912
# happens for creating checkouts, which cannot be
913
# done on this format anyway. So - acceptable wart.
914
result = self.open_workingtree(recommend_upgrade=False)
915
if revision_id is not None:
916
if revision_id == _mod_revision.NULL_REVISION:
917
result.set_parent_ids([])
919
result.set_parent_ids([revision_id])
922
def destroy_workingtree(self):
923
"""See BzrDir.destroy_workingtree."""
924
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
926
def destroy_workingtree_metadata(self):
927
"""See BzrDir.destroy_workingtree_metadata."""
928
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
931
def get_branch_transport(self, branch_format):
932
"""See BzrDir.get_branch_transport()."""
933
if branch_format is None:
934
return self.transport
936
branch_format.get_format_string()
937
except NotImplementedError:
938
return self.transport
939
raise errors.IncompatibleFormat(branch_format, self._format)
741
raise NotImplementedError(self.get_branch_transport)
941
743
def get_repository_transport(self, repository_format):
942
"""See BzrDir.get_repository_transport()."""
943
if repository_format is None:
944
return self.transport
946
repository_format.get_format_string()
947
except NotImplementedError:
948
return self.transport
949
raise errors.IncompatibleFormat(repository_format, self._format)
951
def get_workingtree_transport(self, workingtree_format):
952
"""See BzrDir.get_workingtree_transport()."""
953
if workingtree_format is None:
954
return self.transport
956
workingtree_format.get_format_string()
957
except NotImplementedError:
958
return self.transport
959
raise errors.IncompatibleFormat(workingtree_format, self._format)
961
def needs_format_conversion(self, format=None):
962
"""See BzrDir.needs_format_conversion()."""
963
# if the format is not the same as the system default,
964
# an upgrade is needed.
966
format = BzrDirFormat.get_default_format()
967
return not isinstance(self._format, format.__class__)
969
def open_branch(self, unsupported=False):
970
"""See BzrDir.open_branch."""
971
from bzrlib.branch import BzrBranchFormat4
972
format = BzrBranchFormat4()
973
self._check_supported(format, unsupported)
974
return format.open(self, _found=True)
976
def sprout(self, url, revision_id=None, force_new_repo=False,
977
possible_transports=None):
978
"""See BzrDir.sprout()."""
979
from bzrlib.workingtree import WorkingTreeFormat2
981
result = self._format._initialize_for_clone(url)
983
self.open_repository().clone(result, revision_id=revision_id)
984
except errors.NoRepositoryPresent:
987
self.open_branch().sprout(result, revision_id=revision_id)
988
except errors.NotBranchError:
990
# we always want a working tree
991
WorkingTreeFormat2().initialize(result)
995
class BzrDir4(BzrDirPreSplitOut):
996
"""A .bzr version 4 control object.
998
This is a deprecated format and may be removed after sept 2006.
1001
def create_repository(self, shared=False):
1002
"""See BzrDir.create_repository."""
1003
return self._format.repository_format.initialize(self, shared)
1005
def needs_format_conversion(self, format=None):
1006
"""Format 4 dirs are always in need of conversion."""
1009
def open_repository(self):
1010
"""See BzrDir.open_repository."""
1011
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1012
return RepositoryFormat4().open(self, _found=True)
1015
class BzrDir5(BzrDirPreSplitOut):
1016
"""A .bzr version 5 control object.
1018
This is a deprecated format and may be removed after sept 2006.
1021
def open_repository(self):
1022
"""See BzrDir.open_repository."""
1023
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1024
return RepositoryFormat5().open(self, _found=True)
1026
def open_workingtree(self, _unsupported=False,
1027
recommend_upgrade=True):
1028
"""See BzrDir.create_workingtree."""
1029
from bzrlib.workingtree import WorkingTreeFormat2
1030
wt_format = WorkingTreeFormat2()
1031
# we don't warn here about upgrades; that ought to be handled for the
1033
return wt_format.open(self, _found=True)
1036
class BzrDir6(BzrDirPreSplitOut):
1037
"""A .bzr version 6 control object.
1039
This is a deprecated format and may be removed after sept 2006.
1042
def open_repository(self):
1043
"""See BzrDir.open_repository."""
1044
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1045
return RepositoryFormat6().open(self, _found=True)
1047
def open_workingtree(self, _unsupported=False,
1048
recommend_upgrade=True):
1049
"""See BzrDir.create_workingtree."""
1050
# we don't warn here about upgrades; that ought to be handled for the
1052
from bzrlib.workingtree import WorkingTreeFormat2
1053
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()
1056
801
class BzrDirMeta1(BzrDir):
1057
802
"""A .bzr meta version 1 control object.
1059
This is the first control object where the
804
This is the first control object where the
1060
805
individual aspects are really split out: there are separate repository,
1061
806
workingtree and branch subdirectories and any subset of the three can be
1062
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)
1065
856
def can_convert_format(self):
1066
857
"""See BzrDir.can_convert_format()."""
1069
def create_branch(self):
1070
"""See BzrDir.create_branch."""
1071
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,
1073
891
def create_repository(self, shared=False):
1074
892
"""See BzrDir.create_repository."""
1075
893
return self._format.repository_format.initialize(self, shared)
1077
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):
1078
904
"""See BzrDir.create_workingtree."""
1079
from bzrlib.workingtree import WorkingTreeFormat
1080
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)
1082
909
def destroy_workingtree(self):
1083
910
"""See BzrDir.destroy_workingtree."""
1084
911
wt = self.open_workingtree(recommend_upgrade=False)
1085
912
repository = wt.branch.repository
1086
913
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1087
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)
1088
918
self.destroy_workingtree_metadata()
1090
920
def destroy_workingtree_metadata(self):
1091
921
self.transport.delete_tree('checkout')
1093
def find_branch_format(self):
923
def find_branch_format(self, name=None):
1094
924
"""Find the branch 'format' for this bzrdir.
1096
926
This might be a synthetic object for e.g. RemoteBranch and SVN.
1098
from bzrlib.branch import BranchFormat
1099
return BranchFormat.find_format(self)
928
from bzrlib.branch import BranchFormatMetadir
929
return BranchFormatMetadir.find_format(self, name=name)
1101
931
def _get_mkdir_mode(self):
1102
932
"""Figure out the mode to use when creating a bzrdir subdir."""
1187
def open_branch(self, unsupported=False):
1188
"""See BzrDir.open_branch."""
1189
format = self.find_branch_format()
1190
self._check_supported(format, unsupported)
1191
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)
1193
1081
def open_repository(self, unsupported=False):
1194
1082
"""See BzrDir.open_repository."""
1195
from bzrlib.repository import RepositoryFormat
1196
format = RepositoryFormat.find_format(self)
1197
self._check_supported(format, unsupported)
1083
from bzrlib.repository import RepositoryFormatMetaDir
1084
format = RepositoryFormatMetaDir.find_format(self)
1085
format.check_support_status(unsupported)
1198
1086
return format.open(self, _found=True)
1200
1088
def open_workingtree(self, unsupported=False,
1201
1089
recommend_upgrade=True):
1202
1090
"""See BzrDir.open_workingtree."""
1203
from bzrlib.workingtree import WorkingTreeFormat
1204
format = WorkingTreeFormat.find_format(self)
1205
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,
1207
1094
basedir=self.root_transport.base)
1208
1095
return format.open(self, _found=True)
1211
class BzrDirFormat(object):
1212
"""An encapsulation of the initialization and open routines for a format.
1214
Formats provide three things:
1215
* An initialization routine,
1219
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
1220
1301
during bzrdir opening. These should be subclasses of BzrDirFormat
1221
1302
for consistency.
1223
1304
Once a format is deprecated, just deprecate the initialize and open
1224
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
1225
1306
object will be created every system load.
1228
_default_format = None
1229
"""The default format used for new .bzr dirs."""
1232
"""The known formats."""
1234
_control_formats = []
1235
"""The registered control formats - .bzr, ....
1237
This is a list of BzrDirFormat objects.
1240
_control_server_formats = []
1241
"""The registered control server formats, e.g. RemoteBzrDirs.
1243
This is a list of BzrDirFormat objects.
1246
1309
_lock_file_name = 'branch-lock'
1248
1311
# _lock_class must be set in subclasses to the lock type, typ.
1249
1312
# TransportLock or LockDir
1252
def find_format(klass, transport, _server_formats=True):
1253
"""Return the format present at transport."""
1255
formats = klass._control_server_formats + klass._control_formats
1257
formats = klass._control_formats
1258
for format in formats:
1260
return format.probe_transport(transport)
1261
except errors.NotBranchError:
1262
# this format does not find a control dir here.
1264
raise errors.NotBranchError(path=transport.base)
1267
def probe_transport(klass, transport):
1268
"""Return the .bzrdir style format present in a directory."""
1270
format_string = transport.get(".bzr/branch-format").read()
1271
except errors.NoSuchFile:
1272
raise errors.NotBranchError(path=transport.base)
1275
return klass._formats[format_string]
1277
raise errors.UnknownFormatError(format=format_string)
1280
def get_default_format(klass):
1281
"""Return the current default format."""
1282
return klass._default_format
1284
def get_format_string(self):
1285
"""Return the ASCII format string that identifies this format."""
1286
raise NotImplementedError(self.get_format_string)
1288
def get_format_description(self):
1289
"""Return the short description for this format."""
1290
raise NotImplementedError(self.get_format_description)
1292
def get_converter(self, format=None):
1293
"""Return the converter to use to convert bzrdirs needing converts.
1295
This returns a bzrlib.bzrdir.Converter object.
1297
This should return the best upgrader to step this format towards the
1298
current default format. In the case of plugins we can/should provide
1299
some means for them to extend the range of returnable converters.
1301
:param format: Optional format to override the default format of the
1304
raise NotImplementedError(self.get_converter)
1306
def initialize(self, url, possible_transports=None):
1307
"""Create a bzr control dir at this url and return an opened copy.
1309
Subclasses should typically override initialize_on_transport
1310
instead of this method.
1312
return self.initialize_on_transport(get_transport(url,
1313
possible_transports))
1315
1314
def initialize_on_transport(self, transport):
1316
1315
"""Initialize a new bzrdir in the base directory of a Transport."""
1317
# 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
1318
1438
# mode from the root directory
1319
1439
temp_control = lockable_files.LockableFiles(transport,
1320
1440
'', lockable_files.TransportLock)
1321
temp_control._transport.mkdir('.bzr',
1322
# FIXME: RBC 20060121 don't peek under
1324
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'))
1325
1450
file_mode = temp_control._file_mode
1326
1451
del temp_control
1327
mutter('created control directory in ' + transport.base)
1328
control = transport.clone('.bzr')
1329
utf8_files = [('README',
1330
"This is a Bazaar-NG control directory.\n"
1331
"Do not change any files in this directory.\n"),
1332
('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()),
1334
1459
# NB: no need to escape relative paths that are url safe.
1335
control_files = lockable_files.LockableFiles(control,
1336
self._lock_file_name, self._lock_class)
1460
control_files = lockable_files.LockableFiles(bzrdir_transport,
1461
self._lock_file_name, self._lock_class)
1337
1462
control_files.create_lock()
1338
1463
control_files.lock_write()
1340
for file, content in utf8_files:
1341
control_files.put_utf8(file, content)
1465
for (filename, content) in utf8_files:
1466
bzrdir_transport.put_bytes(filename, content,
1343
1469
control_files.unlock()
1344
1470
return self.open(transport, _found=True)
1346
def is_supported(self):
1347
"""Is this format supported?
1349
Supported formats must be initializable and openable.
1350
Unsupported formats may not support initialization or committing or
1351
some other features depending on the reason for not being supported.
1355
def same_model(self, target_format):
1356
return (self.repository_format.rich_root_data ==
1357
target_format.rich_root_data)
1360
def known_formats(klass):
1361
"""Return all the known formats.
1363
Concrete formats should override _known_formats.
1365
# There is double indirection here to make sure that control
1366
# formats used by more than one dir format will only be probed
1367
# once. This can otherwise be quite expensive for remote connections.
1369
for format in klass._control_formats:
1370
result.update(format._known_formats())
1374
def _known_formats(klass):
1375
"""Return the known format instances for this control format."""
1376
return set(klass._formats.values())
1378
1472
def open(self, transport, _found=False):
1379
1473
"""Return an instance of this format for the dir transport points at.
1381
1475
_found is a private parameter, do not use it.
1384
found_format = BzrDirFormat.find_format(transport)
1478
found_format = controldir.ControlDirFormat.find_format(transport)
1385
1479
if not isinstance(found_format, self.__class__):
1386
1480
raise AssertionError("%s was asked to open %s, but it seems to need "
1388
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)
1389
1486
return self._open(transport)
1391
1488
def _open(self, transport):
1397
1494
raise NotImplementedError(self._open)
1400
def register_format(klass, format):
1401
klass._formats[format.get_format_string()] = format
1404
def register_control_format(klass, format):
1405
"""Register a format that does not use '.bzr' for its control dir.
1407
TODO: This should be pulled up into a 'ControlDirFormat' base class
1408
which BzrDirFormat can inherit from, and renamed to register_format
1409
there. It has been done without that for now for simplicity of
1412
klass._control_formats.append(format)
1415
def register_control_server_format(klass, format):
1416
"""Register a control format for client-server environments.
1418
These formats will be tried before ones registered with
1419
register_control_format. This gives implementations that decide to the
1420
chance to grab it before anything looks at the contents of the format
1423
klass._control_server_formats.append(format)
1426
@symbol_versioning.deprecated_method(symbol_versioning.zero_fourteen)
1427
def set_default_format(klass, format):
1428
klass._set_default_format(format)
1431
def _set_default_format(klass, format):
1432
"""Set default format (for testing behavior of defaults only)"""
1433
klass._default_format = format
1436
return self.get_format_string()[:-1]
1439
def unregister_format(klass, format):
1440
assert klass._formats[format.get_format_string()] is format
1441
del klass._formats[format.get_format_string()]
1444
def unregister_control_format(klass, format):
1445
klass._control_formats.remove(format)
1448
class BzrDirFormat4(BzrDirFormat):
1449
"""Bzr dir format 4.
1451
This format is a combined format for working tree, branch and repository.
1453
- Format 1 working trees [always]
1454
- Format 4 branches [always]
1455
- Format 4 repositories [always]
1457
This format is deprecated: it indexes texts using a text it which is
1458
removed in format 5; write support for this format has been removed.
1461
_lock_class = lockable_files.TransportLock
1463
def get_format_string(self):
1464
"""See BzrDirFormat.get_format_string()."""
1465
return "Bazaar-NG branch, format 0.0.4\n"
1467
def get_format_description(self):
1468
"""See BzrDirFormat.get_format_description()."""
1469
return "All-in-one format 4"
1471
def get_converter(self, format=None):
1472
"""See BzrDirFormat.get_converter()."""
1473
# there is one and only one upgrade path here.
1474
return ConvertBzrDir4To5()
1476
def initialize_on_transport(self, transport):
1477
"""Format 4 branches cannot be created."""
1478
raise errors.UninitializableFormat(self)
1480
def is_supported(self):
1481
"""Format 4 is not supported.
1483
It is not supported because the model changed from 4 to 5 and the
1484
conversion logic is expensive - so doing it on the fly was not
1489
def _open(self, transport):
1490
"""See BzrDirFormat._open."""
1491
return BzrDir4(transport, self)
1493
def __return_repository_format(self):
1494
"""Circular import protection."""
1495
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1496
return RepositoryFormat4()
1497
repository_format = property(__return_repository_format)
1500
class BzrDirFormat5(BzrDirFormat):
1501
"""Bzr control format 5.
1503
This format is a combined format for working tree, branch and repository.
1505
- Format 2 working trees [always]
1506
- Format 4 branches [always]
1507
- Format 5 repositories [always]
1508
Unhashed stores in the repository.
1511
_lock_class = lockable_files.TransportLock
1513
def get_format_string(self):
1514
"""See BzrDirFormat.get_format_string()."""
1515
return "Bazaar-NG branch, format 5\n"
1517
def get_format_description(self):
1518
"""See BzrDirFormat.get_format_description()."""
1519
return "All-in-one format 5"
1521
def get_converter(self, format=None):
1522
"""See BzrDirFormat.get_converter()."""
1523
# there is one and only one upgrade path here.
1524
return ConvertBzrDir5To6()
1526
def _initialize_for_clone(self, url):
1527
return self.initialize_on_transport(get_transport(url), _cloning=True)
1529
def initialize_on_transport(self, transport, _cloning=False):
1530
"""Format 5 dirs always have working tree, branch and repository.
1532
Except when they are being cloned.
1534
from bzrlib.branch import BzrBranchFormat4
1535
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1536
from bzrlib.workingtree import WorkingTreeFormat2
1537
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1538
RepositoryFormat5().initialize(result, _internal=True)
1540
branch = BzrBranchFormat4().initialize(result)
1542
WorkingTreeFormat2().initialize(result)
1543
except errors.NotLocalUrl:
1544
# Even though we can't access the working tree, we need to
1545
# create its control files.
1546
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1549
def _open(self, transport):
1550
"""See BzrDirFormat._open."""
1551
return BzrDir5(transport, self)
1553
def __return_repository_format(self):
1554
"""Circular import protection."""
1555
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1556
return RepositoryFormat5()
1557
repository_format = property(__return_repository_format)
1560
class BzrDirFormat6(BzrDirFormat):
1561
"""Bzr control format 6.
1563
This format is a combined format for working tree, branch and repository.
1565
- Format 2 working trees [always]
1566
- Format 4 branches [always]
1567
- Format 6 repositories [always]
1570
_lock_class = lockable_files.TransportLock
1572
def get_format_string(self):
1573
"""See BzrDirFormat.get_format_string()."""
1574
return "Bazaar-NG branch, format 6\n"
1576
def get_format_description(self):
1577
"""See BzrDirFormat.get_format_description()."""
1578
return "All-in-one format 6"
1580
def get_converter(self, format=None):
1581
"""See BzrDirFormat.get_converter()."""
1582
# there is one and only one upgrade path here.
1583
return ConvertBzrDir6ToMeta()
1585
def _initialize_for_clone(self, url):
1586
return self.initialize_on_transport(get_transport(url), _cloning=True)
1588
def initialize_on_transport(self, transport, _cloning=False):
1589
"""Format 6 dirs always have working tree, branch and repository.
1591
Except when they are being cloned.
1593
from bzrlib.branch import BzrBranchFormat4
1594
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1595
from bzrlib.workingtree import WorkingTreeFormat2
1596
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1597
RepositoryFormat6().initialize(result, _internal=True)
1599
branch = BzrBranchFormat4().initialize(result)
1601
WorkingTreeFormat2().initialize(result)
1602
except errors.NotLocalUrl:
1603
# Even though we can't access the working tree, we need to
1604
# create its control files.
1605
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1608
def _open(self, transport):
1609
"""See BzrDirFormat._open."""
1610
return BzrDir6(transport, self)
1612
def __return_repository_format(self):
1613
"""Circular import protection."""
1614
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1615
return RepositoryFormat6()
1616
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)
1619
1522
class BzrDirMetaFormat1(BzrDirFormat):
1674
1687
def _open(self, transport):
1675
1688
"""See BzrDirFormat._open."""
1676
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)
1678
1696
def __return_repository_format(self):
1679
1697
"""Circular import protection."""
1680
if getattr(self, '_repository_format', None):
1698
if self._repository_format:
1681
1699
return self._repository_format
1682
from bzrlib.repository import RepositoryFormat
1683
return RepositoryFormat.get_default_format()
1700
from bzrlib.repository import format_registry
1701
return format_registry.get_default()
1685
def __set_repository_format(self, value):
1686
"""Allow changint the repository format for metadir formats."""
1703
def _set_repository_format(self, value):
1704
"""Allow changing the repository format for metadir formats."""
1687
1705
self._repository_format = value
1689
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
1691
1729
def __get_workingtree_format(self):
1692
1730
if self._workingtree_format is None:
1693
from bzrlib.workingtree import WorkingTreeFormat
1694
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()
1695
1735
return self._workingtree_format
1697
1737
def __set_workingtree_format(self, wt_format):
1698
1738
self._workingtree_format = wt_format
1741
return "<%r>" % (self.__class__.__name__,)
1700
1743
workingtree_format = property(__get_workingtree_format,
1701
1744
__set_workingtree_format)
1704
# Register bzr control format
1705
BzrDirFormat.register_control_format(BzrDirFormat)
1707
1747
# Register bzr formats
1708
BzrDirFormat.register_format(BzrDirFormat4())
1709
BzrDirFormat.register_format(BzrDirFormat5())
1710
BzrDirFormat.register_format(BzrDirFormat6())
1711
__default_format = BzrDirMetaFormat1()
1712
BzrDirFormat.register_format(__default_format)
1713
BzrDirFormat._default_format = __default_format
1716
class Converter(object):
1717
"""Converts a disk format object from one format to another."""
1719
def convert(self, to_convert, pb):
1720
"""Perform the conversion of to_convert, giving feedback via pb.
1722
:param to_convert: The disk object to convert.
1723
:param pb: a progress bar to use for progress information.
1726
def step(self, message):
1727
"""Update the pb by a step."""
1729
self.pb.update(message, self.count, self.total)
1732
class ConvertBzrDir4To5(Converter):
1733
"""Converts format 4 bzr dirs to format 5."""
1736
super(ConvertBzrDir4To5, self).__init__()
1737
self.converted_revs = set()
1738
self.absent_revisions = set()
1742
def convert(self, to_convert, pb):
1743
"""See Converter.convert()."""
1744
self.bzrdir = to_convert
1746
self.pb.note('starting upgrade from format 4 to 5')
1747
if isinstance(self.bzrdir.transport, LocalTransport):
1748
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
1749
self._convert_to_weaves()
1750
return BzrDir.open(self.bzrdir.root_transport.base)
1752
def _convert_to_weaves(self):
1753
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
1756
stat = self.bzrdir.transport.stat('weaves')
1757
if not S_ISDIR(stat.st_mode):
1758
self.bzrdir.transport.delete('weaves')
1759
self.bzrdir.transport.mkdir('weaves')
1760
except errors.NoSuchFile:
1761
self.bzrdir.transport.mkdir('weaves')
1762
# deliberately not a WeaveFile as we want to build it up slowly.
1763
self.inv_weave = Weave('inventory')
1764
# holds in-memory weaves for all files
1765
self.text_weaves = {}
1766
self.bzrdir.transport.delete('branch-format')
1767
self.branch = self.bzrdir.open_branch()
1768
self._convert_working_inv()
1769
rev_history = self.branch.revision_history()
1770
# to_read is a stack holding the revisions we still need to process;
1771
# appending to it adds new highest-priority revisions
1772
self.known_revisions = set(rev_history)
1773
self.to_read = rev_history[-1:]
1775
rev_id = self.to_read.pop()
1776
if (rev_id not in self.revisions
1777
and rev_id not in self.absent_revisions):
1778
self._load_one_rev(rev_id)
1780
to_import = self._make_order()
1781
for i, rev_id in enumerate(to_import):
1782
self.pb.update('converting revision', i, len(to_import))
1783
self._convert_one_rev(rev_id)
1785
self._write_all_weaves()
1786
self._write_all_revs()
1787
self.pb.note('upgraded to weaves:')
1788
self.pb.note(' %6d revisions and inventories', len(self.revisions))
1789
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
1790
self.pb.note(' %6d texts', self.text_count)
1791
self._cleanup_spare_files_after_format4()
1792
self.branch.control_files.put_utf8('branch-format', BzrDirFormat5().get_format_string())
1794
def _cleanup_spare_files_after_format4(self):
1795
# FIXME working tree upgrade foo.
1796
for n in 'merged-patches', 'pending-merged-patches':
1798
## assert os.path.getsize(p) == 0
1799
self.bzrdir.transport.delete(n)
1800
except errors.NoSuchFile:
1802
self.bzrdir.transport.delete_tree('inventory-store')
1803
self.bzrdir.transport.delete_tree('text-store')
1805
def _convert_working_inv(self):
1806
inv = xml4.serializer_v4.read_inventory(
1807
self.branch.control_files.get('inventory'))
1808
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
1809
# FIXME inventory is a working tree change.
1810
self.branch.control_files.put('inventory', StringIO(new_inv_xml))
1812
def _write_all_weaves(self):
1813
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
1814
weave_transport = self.bzrdir.transport.clone('weaves')
1815
weaves = WeaveStore(weave_transport, prefixed=False)
1816
transaction = WriteTransaction()
1820
for file_id, file_weave in self.text_weaves.items():
1821
self.pb.update('writing weave', i, len(self.text_weaves))
1822
weaves._put_weave(file_id, file_weave, transaction)
1824
self.pb.update('inventory', 0, 1)
1825
controlweaves._put_weave('inventory', self.inv_weave, transaction)
1826
self.pb.update('inventory', 1, 1)
1830
def _write_all_revs(self):
1831
"""Write all revisions out in new form."""
1832
self.bzrdir.transport.delete_tree('revision-store')
1833
self.bzrdir.transport.mkdir('revision-store')
1834
revision_transport = self.bzrdir.transport.clone('revision-store')
1836
_revision_store = TextRevisionStore(TextStore(revision_transport,
1840
transaction = WriteTransaction()
1841
for i, rev_id in enumerate(self.converted_revs):
1842
self.pb.update('write revision', i, len(self.converted_revs))
1843
_revision_store.add_revision(self.revisions[rev_id], transaction)
1847
def _load_one_rev(self, rev_id):
1848
"""Load a revision object into memory.
1850
Any parents not either loaded or abandoned get queued to be
1852
self.pb.update('loading revision',
1853
len(self.revisions),
1854
len(self.known_revisions))
1855
if not self.branch.repository.has_revision(rev_id):
1857
self.pb.note('revision {%s} not present in branch; '
1858
'will be converted as a ghost',
1860
self.absent_revisions.add(rev_id)
1862
rev = self.branch.repository._revision_store.get_revision(rev_id,
1863
self.branch.repository.get_transaction())
1864
for parent_id in rev.parent_ids:
1865
self.known_revisions.add(parent_id)
1866
self.to_read.append(parent_id)
1867
self.revisions[rev_id] = rev
1869
def _load_old_inventory(self, rev_id):
1870
assert rev_id not in self.converted_revs
1871
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
1872
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
1873
inv.revision_id = rev_id
1874
rev = self.revisions[rev_id]
1875
if rev.inventory_sha1:
1876
assert rev.inventory_sha1 == sha_string(old_inv_xml), \
1877
'inventory sha mismatch for {%s}' % rev_id
1880
def _load_updated_inventory(self, rev_id):
1881
assert rev_id in self.converted_revs
1882
inv_xml = self.inv_weave.get_text(rev_id)
1883
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml)
1886
def _convert_one_rev(self, rev_id):
1887
"""Convert revision and all referenced objects to new format."""
1888
rev = self.revisions[rev_id]
1889
inv = self._load_old_inventory(rev_id)
1890
present_parents = [p for p in rev.parent_ids
1891
if p not in self.absent_revisions]
1892
self._convert_revision_contents(rev, inv, present_parents)
1893
self._store_new_weave(rev, inv, present_parents)
1894
self.converted_revs.add(rev_id)
1896
def _store_new_weave(self, rev, inv, present_parents):
1897
# the XML is now updated with text versions
1899
entries = inv.iter_entries()
1901
for path, ie in entries:
1902
assert getattr(ie, 'revision', None) is not None, \
1903
'no revision on {%s} in {%s}' % \
1904
(file_id, rev.revision_id)
1905
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
1906
new_inv_sha1 = sha_string(new_inv_xml)
1907
self.inv_weave.add_lines(rev.revision_id,
1909
new_inv_xml.splitlines(True))
1910
rev.inventory_sha1 = new_inv_sha1
1912
def _convert_revision_contents(self, rev, inv, present_parents):
1913
"""Convert all the files within a revision.
1915
Also upgrade the inventory to refer to the text revision ids."""
1916
rev_id = rev.revision_id
1917
mutter('converting texts of revision {%s}',
1919
parent_invs = map(self._load_updated_inventory, present_parents)
1920
entries = inv.iter_entries()
1922
for path, ie in entries:
1923
self._convert_file_version(rev, ie, parent_invs)
1925
def _convert_file_version(self, rev, ie, parent_invs):
1926
"""Convert one version of one file.
1928
The file needs to be added into the weave if it is a merge
1929
of >=2 parents or if it's changed from its parent.
1931
file_id = ie.file_id
1932
rev_id = rev.revision_id
1933
w = self.text_weaves.get(file_id)
1936
self.text_weaves[file_id] = w
1937
text_changed = False
1938
parent_candiate_entries = ie.parent_candidates(parent_invs)
1939
for old_revision in parent_candiate_entries.keys():
1940
# if this fails, its a ghost ?
1941
assert old_revision in self.converted_revs, \
1942
"Revision {%s} not in converted_revs" % old_revision
1943
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
1944
# XXX: Note that this is unordered - and this is tolerable because
1945
# the previous code was also unordered.
1946
previous_entries = dict((head, parent_candiate_entries[head]) for head
1948
self.snapshot_ie(previous_entries, ie, w, rev_id)
1950
assert getattr(ie, 'revision', None) is not None
1952
def get_parents(self, revision_ids):
1953
for revision_id in revision_ids:
1954
yield self.revisions[revision_id].parent_ids
1956
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
1957
# TODO: convert this logic, which is ~= snapshot to
1958
# a call to:. This needs the path figured out. rather than a work_tree
1959
# a v4 revision_tree can be given, or something that looks enough like
1960
# one to give the file content to the entry if it needs it.
1961
# and we need something that looks like a weave store for snapshot to
1963
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
1964
if len(previous_revisions) == 1:
1965
previous_ie = previous_revisions.values()[0]
1966
if ie._unchanged(previous_ie):
1967
ie.revision = previous_ie.revision
1970
text = self.branch.repository.weave_store.get(ie.text_id)
1971
file_lines = text.readlines()
1972
assert sha_strings(file_lines) == ie.text_sha1
1973
assert sum(map(len, file_lines)) == ie.text_size
1974
w.add_lines(rev_id, previous_revisions, file_lines)
1975
self.text_count += 1
1977
w.add_lines(rev_id, previous_revisions, [])
1978
ie.revision = rev_id
1980
def _make_order(self):
1981
"""Return a suitable order for importing revisions.
1983
The order must be such that an revision is imported after all
1984
its (present) parents.
1986
todo = set(self.revisions.keys())
1987
done = self.absent_revisions.copy()
1990
# scan through looking for a revision whose parents
1992
for rev_id in sorted(list(todo)):
1993
rev = self.revisions[rev_id]
1994
parent_ids = set(rev.parent_ids)
1995
if parent_ids.issubset(done):
1996
# can take this one now
1997
order.append(rev_id)
2003
class ConvertBzrDir5To6(Converter):
2004
"""Converts format 5 bzr dirs to format 6."""
2006
def convert(self, to_convert, pb):
2007
"""See Converter.convert()."""
2008
self.bzrdir = to_convert
2010
self.pb.note('starting upgrade from format 5 to 6')
2011
self._convert_to_prefixed()
2012
return BzrDir.open(self.bzrdir.root_transport.base)
2014
def _convert_to_prefixed(self):
2015
from bzrlib.store import TransportStore
2016
self.bzrdir.transport.delete('branch-format')
2017
for store_name in ["weaves", "revision-store"]:
2018
self.pb.note("adding prefixes to %s" % store_name)
2019
store_transport = self.bzrdir.transport.clone(store_name)
2020
store = TransportStore(store_transport, prefixed=True)
2021
for urlfilename in store_transport.list_dir('.'):
2022
filename = urlutils.unescape(urlfilename)
2023
if (filename.endswith(".weave") or
2024
filename.endswith(".gz") or
2025
filename.endswith(".sig")):
2026
file_id = os.path.splitext(filename)[0]
2029
prefix_dir = store.hash_prefix(file_id)
2030
# FIXME keep track of the dirs made RBC 20060121
2032
store_transport.move(filename, prefix_dir + '/' + filename)
2033
except errors.NoSuchFile: # catches missing dirs strangely enough
2034
store_transport.mkdir(prefix_dir)
2035
store_transport.move(filename, prefix_dir + '/' + filename)
2036
self.bzrdir._control_files.put_utf8('branch-format', BzrDirFormat6().get_format_string())
2039
class ConvertBzrDir6ToMeta(Converter):
2040
"""Converts format 6 bzr dirs to metadirs."""
2042
def convert(self, to_convert, pb):
2043
"""See Converter.convert()."""
2044
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2045
from bzrlib.branch import BzrBranchFormat5
2046
self.bzrdir = to_convert
2049
self.total = 20 # the steps we know about
2050
self.garbage_inventories = []
2052
self.pb.note('starting upgrade from format 6 to metadir')
2053
self.bzrdir._control_files.put_utf8('branch-format', "Converting to format 6")
2054
# its faster to move specific files around than to open and use the apis...
2055
# first off, nuke ancestry.weave, it was never used.
2057
self.step('Removing ancestry.weave')
2058
self.bzrdir.transport.delete('ancestry.weave')
2059
except errors.NoSuchFile:
2061
# find out whats there
2062
self.step('Finding branch files')
2063
last_revision = self.bzrdir.open_branch().last_revision()
2064
bzrcontents = self.bzrdir.transport.list_dir('.')
2065
for name in bzrcontents:
2066
if name.startswith('basis-inventory.'):
2067
self.garbage_inventories.append(name)
2068
# create new directories for repository, working tree and branch
2069
self.dir_mode = self.bzrdir._control_files._dir_mode
2070
self.file_mode = self.bzrdir._control_files._file_mode
2071
repository_names = [('inventory.weave', True),
2072
('revision-store', True),
2074
self.step('Upgrading repository ')
2075
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2076
self.make_lock('repository')
2077
# we hard code the formats here because we are converting into
2078
# the meta format. The meta format upgrader can take this to a
2079
# future format within each component.
2080
self.put_format('repository', RepositoryFormat7())
2081
for entry in repository_names:
2082
self.move_entry('repository', entry)
2084
self.step('Upgrading branch ')
2085
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2086
self.make_lock('branch')
2087
self.put_format('branch', BzrBranchFormat5())
2088
branch_files = [('revision-history', True),
2089
('branch-name', True),
2091
for entry in branch_files:
2092
self.move_entry('branch', entry)
2094
checkout_files = [('pending-merges', True),
2095
('inventory', True),
2096
('stat-cache', False)]
2097
# If a mandatory checkout file is not present, the branch does not have
2098
# a functional checkout. Do not create a checkout in the converted
2100
for name, mandatory in checkout_files:
2101
if mandatory and name not in bzrcontents:
2102
has_checkout = False
2106
if not has_checkout:
2107
self.pb.note('No working tree.')
2108
# If some checkout files are there, we may as well get rid of them.
2109
for name, mandatory in checkout_files:
2110
if name in bzrcontents:
2111
self.bzrdir.transport.delete(name)
2113
from bzrlib.workingtree import WorkingTreeFormat3
2114
self.step('Upgrading working tree')
2115
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2116
self.make_lock('checkout')
2118
'checkout', WorkingTreeFormat3())
2119
self.bzrdir.transport.delete_multi(
2120
self.garbage_inventories, self.pb)
2121
for entry in checkout_files:
2122
self.move_entry('checkout', entry)
2123
if last_revision is not None:
2124
self.bzrdir._control_files.put_utf8(
2125
'checkout/last-revision', last_revision)
2126
self.bzrdir._control_files.put_utf8(
2127
'branch-format', BzrDirMetaFormat1().get_format_string())
2128
return BzrDir.open(self.bzrdir.root_transport.base)
2130
def make_lock(self, name):
2131
"""Make a lock for the new control dir name."""
2132
self.step('Make %s lock' % name)
2133
ld = lockdir.LockDir(self.bzrdir.transport,
2135
file_modebits=self.file_mode,
2136
dir_modebits=self.dir_mode)
2139
def move_entry(self, new_dir, entry):
2140
"""Move then entry name into new_dir."""
2142
mandatory = entry[1]
2143
self.step('Moving %s' % name)
2145
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2146
except errors.NoSuchFile:
2150
def put_format(self, dirname, format):
2151
self.bzrdir._control_files.put_utf8('%s/format' % dirname, format.get_format_string())
2154
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):
2155
1782
"""Converts the components of metadirs."""
2157
1784
def __init__(self, target_format):
2200
1838
# TODO: conversions of Branch and Tree should be done by
2201
1839
# InterXFormat lookups
2202
if (isinstance(tree, workingtree.WorkingTree3) and
2203
not isinstance(tree, workingtree_4.WorkingTree4) and
1840
if (isinstance(tree, workingtree_3.WorkingTree3) and
1841
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2204
1842
isinstance(self.target_format.workingtree_format,
2205
workingtree_4.WorkingTreeFormat4)):
1843
workingtree_4.DirStateWorkingTreeFormat)):
2206
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)
2207
1856
return to_convert
2210
# This is not in remote.py because it's small, and needs to be registered.
2211
# Putting it in remote.py creates a circular import problem.
2212
# we can make it a lazy object if the control formats is turned into something
2214
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2215
"""Format representing bzrdirs accessed via a smart server"""
2217
def get_format_description(self):
2218
return 'bzr remote bzrdir'
2221
def probe_transport(klass, transport):
2222
"""Return a RemoteBzrDirFormat object if it looks possible."""
2224
client = transport.get_smart_client()
2225
except (NotImplementedError, AttributeError,
2226
errors.TransportNotPossible):
2227
# no smart server, so not a branch for this format type.
2228
raise errors.NotBranchError(path=transport.base)
2230
# Send a 'hello' request in protocol version one, and decline to
2231
# open it if the server doesn't support our required version (2) so
2232
# that the VFS-based transport will do it.
2233
request = client.get_request()
2234
smart_protocol = protocol.SmartClientRequestProtocolOne(request)
2235
server_version = smart_protocol.query_version()
2236
if server_version != 2:
2237
raise errors.NotBranchError(path=transport.base)
2240
def initialize_on_transport(self, transport):
2242
# hand off the request to the smart server
2243
shared_medium = transport.get_shared_medium()
2244
except errors.NoSmartMedium:
2245
# TODO: lookup the local format from a server hint.
2246
local_dir_format = BzrDirMetaFormat1()
2247
return local_dir_format.initialize_on_transport(transport)
2248
client = _SmartClient(shared_medium)
2249
path = client.remote_path_from_transport(transport)
2250
response = _SmartClient(shared_medium).call('BzrDirFormat.initialize',
2252
assert response[0] in ('ok', ), 'unexpected response code %s' % (response,)
2253
return remote.RemoteBzrDir(transport)
2255
def _open(self, transport):
2256
return remote.RemoteBzrDir(transport)
2258
def __eq__(self, other):
2259
if not isinstance(other, RemoteBzrDirFormat):
2261
return self.get_format_description() == other.get_format_description()
2264
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2267
class BzrDirFormatInfo(object):
2269
def __init__(self, native, deprecated, hidden):
2270
self.deprecated = deprecated
2271
self.native = native
2272
self.hidden = hidden
2275
class BzrDirFormatRegistry(registry.Registry):
2276
"""Registry of user-selectable BzrDir subformats.
2278
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2279
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2282
def register_metadir(self, key,
2283
repository_format, help, native=True, deprecated=False,
2287
"""Register a metadir subformat.
2289
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2290
by the Repository format.
2292
:param repository_format: The fully-qualified repository format class
2294
:param branch_format: Fully-qualified branch format class name as
2296
:param tree_format: Fully-qualified tree format class name as
2299
# This should be expanded to support setting WorkingTree and Branch
2300
# formats, once BzrDirMetaFormat1 supports that.
2301
def _load(full_name):
2302
mod_name, factory_name = full_name.rsplit('.', 1)
2304
mod = __import__(mod_name, globals(), locals(),
2306
except ImportError, e:
2307
raise ImportError('failed to load %s: %s' % (full_name, e))
2309
factory = getattr(mod, factory_name)
2310
except AttributeError:
2311
raise AttributeError('no factory %s in module %r'
2316
bd = BzrDirMetaFormat1()
2317
if branch_format is not None:
2318
bd.set_branch_format(_load(branch_format))
2319
if tree_format is not None:
2320
bd.workingtree_format = _load(tree_format)
2321
if repository_format is not None:
2322
bd.repository_format = _load(repository_format)
2324
self.register(key, helper, help, native, deprecated, hidden)
2326
def register(self, key, factory, help, native=True, deprecated=False,
2328
"""Register a BzrDirFormat factory.
2330
The factory must be a callable that takes one parameter: the key.
2331
It must produce an instance of the BzrDirFormat when called.
2333
This function mainly exists to prevent the info object from being
2336
registry.Registry.register(self, key, factory, help,
2337
BzrDirFormatInfo(native, deprecated, hidden))
2339
def register_lazy(self, key, module_name, member_name, help, native=True,
2340
deprecated=False, hidden=False):
2341
registry.Registry.register_lazy(self, key, module_name, member_name,
2342
help, BzrDirFormatInfo(native, deprecated, hidden))
2344
def set_default(self, key):
2345
"""Set the 'default' key to be a clone of the supplied key.
2347
This method must be called once and only once.
2349
registry.Registry.register(self, 'default', self.get(key),
2350
self.get_help(key), info=self.get_info(key))
2352
def set_default_repository(self, key):
2353
"""Set the FormatRegistry default and Repository default.
2355
This is a transitional method while Repository.set_default_format
2358
if 'default' in self:
2359
self.remove('default')
2360
self.set_default(key)
2361
format = self.get('default')()
2362
assert isinstance(format, BzrDirMetaFormat1)
2364
def make_bzrdir(self, key):
2365
return self.get(key)()
2367
def help_topic(self, topic):
2368
output = textwrap.dedent("""\
2369
These formats can be used for creating branches, working trees, and
2373
default_realkey = None
2374
default_help = self.get_help('default')
2376
for key in self.keys():
2377
if key == 'default':
2379
help = self.get_help(key)
2380
if help == default_help:
2381
default_realkey = key
2383
help_pairs.append((key, help))
2385
def wrapped(key, help, info):
2387
help = '(native) ' + help
2388
return ':%s:\n%s\n\n' % (key,
2389
textwrap.fill(help, initial_indent=' ',
2390
subsequent_indent=' '))
2391
if default_realkey is not None:
2392
output += wrapped(default_realkey, '(default) %s' % default_help,
2393
self.get_info('default'))
2394
deprecated_pairs = []
2395
for key, help in help_pairs:
2396
info = self.get_info(key)
2399
elif info.deprecated:
2400
deprecated_pairs.append((key, help))
2402
output += wrapped(key, help, info)
2403
if len(deprecated_pairs) > 0:
2404
output += "Deprecated formats are shown below.\n\n"
2405
for key, help in deprecated_pairs:
2406
info = self.get_info(key)
2407
output += wrapped(key, help, info)
2412
format_registry = BzrDirFormatRegistry()
2413
format_registry.register('weave', BzrDirFormat6,
2414
'Pre-0.8 format. Slower than knit and does not'
2415
' support checkouts or shared repositories.',
2417
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',
2418
2115
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2419
2116
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2420
branch_format='bzrlib.branch.BzrBranchFormat5',
2421
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2422
format_registry.register_metadir('metaweave',
2423
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2424
'Transitional format in 0.8. Slower than knit.',
2425
branch_format='bzrlib.branch.BzrBranchFormat5',
2426
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2428
format_registry.register_metadir('dirstate',
2429
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2430
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2431
'above when accessed over the network.',
2432
branch_format='bzrlib.branch.BzrBranchFormat5',
2433
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2434
# directly from workingtree_4 triggers a circular import.
2435
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2437
format_registry.register_metadir('dirstate-tags',
2438
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2439
help='New in 0.15: Fast local operations and improved scaling for '
2440
'network operations. Additionally adds support for tags.'
2441
' Incompatible with bzr < 0.15.',
2442
branch_format='bzrlib.branch.BzrBranchFormat6',
2443
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2445
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',
2446
2147
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2447
help='New in 0.15: Fast local operations and improved scaling for '
2448
'network operations. Additionally adds support for versioning nested '
2449
'bzr branches. Incompatible with bzr < 0.15.',
2450
branch_format='bzrlib.branch.BzrBranchFormat6',
2451
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2454
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
