116
117
thing_to_unlock.break_lock()
119
def can_convert_format(self):
120
"""Return true if this bzrdir is one whose format we can convert from."""
118
123
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.
122
124
target_repo_format = target_format.repository_format
124
self.open_repository()._format.check_conversion_target(
126
except errors.NoRepositoryPresent:
127
# No repo, no problem.
125
source_repo_format = self._format.repository_format
126
source_repo_format.check_conversion_target(target_repo_format)
129
def _check_supported(format, allow_unsupported,
130
recommend_upgrade=True,
132
"""Give an error or warning on old formats.
134
:param format: may be any kind of format - workingtree, branch,
137
:param allow_unsupported: If true, allow opening
138
formats that are strongly deprecated, and which may
139
have limited functionality.
141
:param recommend_upgrade: If true (default), warn
142
the user through the ui object that they may wish
143
to upgrade the object.
145
# TODO: perhaps move this into a base Format class; it's not BzrDir
146
# specific. mbp 20070323
147
if not allow_unsupported and not format.is_supported():
148
# see open_downlevel to open legacy branches.
149
raise errors.UnsupportedFormatError(format=format)
150
if recommend_upgrade \
151
and getattr(format, 'upgrade_recommended', False):
152
ui.ui_factory.recommend_upgrade(
153
format.get_format_description(),
156
def clone(self, url, revision_id=None, force_new_repo=False):
157
"""Clone this bzrdir and its contents to url verbatim.
159
If url's last component does not exist, it will be created.
161
if revision_id is not None, then the clone operation may tune
162
itself to download less data.
163
:param force_new_repo: Do not use a shared repository for the target
164
even if one is available.
166
return self.clone_on_transport(get_transport(url),
167
revision_id=revision_id,
168
force_new_repo=force_new_repo)
130
170
def clone_on_transport(self, transport, revision_id=None,
131
force_new_repo=False, preserve_stacking=False, stacked_on=None,
132
create_prefix=False, use_existing_dir=True, no_tree=False):
171
force_new_repo=False):
133
172
"""Clone this bzrdir and its contents to transport verbatim.
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
174
If the target directory does not exist, it will be created.
176
if revision_id is not None, then the clone operation may tune
139
177
itself to download less data.
140
:param force_new_repo: Do not use a shared repository for the target,
178
:param force_new_repo: Do not use a shared repository for the target
141
179
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.
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:
181
transport.ensure_base()
182
result = self.cloning_metadir().initialize_on_transport(transport)
183
repository_policy = None
159
185
local_repo = self.find_repository()
160
186
except errors.NoRepositoryPresent:
161
187
local_repo = None
163
local_branch = self.open_branch()
164
except errors.NotBranchError:
167
# enable fallbacks when branch is not a branch reference
168
if local_branch.repository.has_same_location(local_repo):
169
local_repo = local_branch.repository
170
if preserve_stacking:
172
stacked_on = local_branch.get_stacked_on_url()
173
except (errors.UnstackableBranchFormat,
174
errors.UnstackableRepositoryFormat,
177
# Bug: We create a metadir without knowing if it can support stacking,
178
# we should look up the policy needs first, or just use it as a hint,
181
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)
211
result_repo.fetch(local_repo, revision_id=revision_id)
215
if result_repo is not None:
216
raise AssertionError('result_repo not None(%r)' % result_repo)
189
# may need to copy content in
190
repository_policy = result.determine_repository_policy(
192
make_working_trees = local_repo.make_working_trees()
193
result_repo = repository_policy.acquire_repository(
194
make_working_trees, local_repo.is_shared())
195
result_repo.fetch(local_repo, revision_id=revision_id)
217
196
# 1 if there is a branch present
218
197
# make sure its content is available in the target repository
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)
229
except (errors.NoWorkingTree, errors.NotLocalUrl):
200
local_branch = self.open_branch()
201
except errors.NotBranchError:
204
result_branch = local_branch.clone(result, revision_id=revision_id)
205
if repository_policy is not None:
206
repository_policy.configure_branch(result_branch)
208
result_repo = result.find_repository()
209
except errors.NoRepositoryPresent:
211
if result_repo is None or result_repo.make_working_trees():
213
self.open_workingtree().clone(result)
214
except (errors.NoWorkingTree, errors.NotLocalUrl):
233
218
# TODO: This should be given a Transport, and should chdir up; otherwise
234
219
# this will open a new connection.
235
220
def _make_tail(self, url):
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):
221
t = get_transport(url)
225
def create(cls, base, format=None, possible_transports=None):
226
"""Create a new BzrDir at the url 'base'.
228
:param format: If supplied, the format of branch to create. If not
229
supplied, the default is used.
230
:param possible_transports: If supplied, a list of transports that
231
can be reused to share a remote connection.
233
if cls is not BzrDir:
234
raise AssertionError("BzrDir.create always creates the default"
235
" format, not one of %r" % cls)
236
t = get_transport(base, possible_transports)
239
format = BzrDirFormat.get_default_format()
240
return format.initialize_on_transport(t)
243
def find_bzrdirs(transport, evaluate=None, list_current=None):
244
"""Find bzrdirs recursively from current location.
246
This is intended primarily as a building block for more sophisticated
247
functionality, like finding trees under a directory, or finding
248
branches that use a given repository.
249
:param evaluate: An optional callable that yields recurse, value,
250
where recurse controls whether this bzrdir is recursed into
251
and value is the value to yield. By default, all bzrdirs
252
are recursed into, and the return value is the bzrdir.
253
:param list_current: if supplied, use this function to list the current
254
directory, instead of Transport.list_dir
255
:return: a generator of found bzrdirs, or whatever evaluate returns.
257
if list_current is None:
258
def list_current(transport):
259
return transport.list_dir('')
261
def evaluate(bzrdir):
264
pending = [transport]
265
while len(pending) > 0:
266
current_transport = pending.pop()
269
bzrdir = BzrDir.open_from_transport(current_transport)
270
except errors.NotBranchError:
273
recurse, value = evaluate(bzrdir)
276
subdirs = list_current(current_transport)
277
except errors.NoSuchFile:
280
for subdir in sorted(subdirs, reverse=True):
281
pending.append(current_transport.clone(subdir))
284
def find_branches(transport):
285
"""Find all branches under a transport.
287
This will find all branches below the transport, including branches
288
inside other branches. Where possible, it will use
289
Repository.find_branches.
291
To list all the branches that use a particular Repository, see
292
Repository.find_branches
294
def evaluate(bzrdir):
296
repository = bzrdir.open_repository()
297
except errors.NoRepositoryPresent:
300
return False, (None, repository)
302
branch = bzrdir.open_branch()
303
except errors.NotBranchError:
304
return True, (None, None)
306
return True, (branch, None)
308
for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
310
branches.extend(repo.find_branches())
311
if branch is not None:
312
branches.append(branch)
316
def destroy_repository(self):
317
"""Destroy the repository in this BzrDir"""
318
raise NotImplementedError(self.destroy_repository)
320
def create_branch(self):
321
"""Create a branch in this BzrDir.
323
The bzrdir's format will control what branch format is created.
324
For more control see BranchFormatXX.create(a_bzrdir).
326
raise NotImplementedError(self.create_branch)
328
def destroy_branch(self):
329
"""Destroy the branch in this BzrDir"""
330
raise NotImplementedError(self.destroy_branch)
333
def create_branch_and_repo(base, force_new_repo=False, format=None):
334
"""Create a new BzrDir, Branch and Repository at the url 'base'.
336
This will use the current default BzrDirFormat unless one is
337
specified, and use whatever
338
repository format that that uses via bzrdir.create_branch and
339
create_repository. If a shared repository is available that is used
342
The created Branch object is returned.
344
:param base: The URL to create the branch at.
345
:param force_new_repo: If True a new repository is always created.
346
:param format: If supplied, the format of branch to create. If not
347
supplied, the default is used.
349
bzrdir = BzrDir.create(base, format)
350
bzrdir._find_or_create_repository(force_new_repo)
351
return bzrdir.create_branch()
353
def determine_repository_policy(self, force_new_repo=False):
241
354
"""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
356
This controls whether a new repository is created, or a shared
357
repository used instead.
254
359
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
361
# does it have a repository ?
265
363
repository = found_bzrdir.open_repository()
266
364
except errors.NoRepositoryPresent:
267
365
repository = None
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.
367
if ((found_bzrdir.root_transport.base !=
368
self.root_transport.base) and not repository.is_shared()):
272
369
repository = None
277
373
return None, False
279
return UseExistingRepository(repository, stack_on,
280
stack_on_pwd, require_stacking=require_stacking), True
375
return UseExistingRepository(repository), True
282
return CreateRepository(self, stack_on, stack_on_pwd,
283
require_stacking=require_stacking), True
377
return CreateRepository(self), True
285
379
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)
380
policy = self._find_containing(repository_policy)
381
if policy is not None:
383
return CreateRepository(self)
300
385
def _find_or_create_repository(self, force_new_repo):
301
386
"""Create a new repository if needed, returning the repository."""
302
387
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.
388
return policy.acquire_repository()
391
def create_branch_convenience(base, force_new_repo=False,
392
force_new_tree=None, format=None,
393
possible_transports=None):
394
"""Create a new BzrDir, Branch and Repository at the url 'base'.
396
This is a convenience function - it will use an existing repository
397
if possible, can be told explicitly whether to create a working tree or
400
This will use the current default BzrDirFormat unless one is
401
specified, and use whatever
402
repository format that that uses via bzrdir.create_branch and
403
create_repository. If a shared repository is available that is used
404
preferentially. Whatever repository is used, its tree creation policy
407
The created Branch object is returned.
408
If a working tree cannot be made due to base not being a file:// url,
409
no error is raised unless force_new_tree is True, in which case no
410
data is created on disk and NotLocalUrl is raised.
412
:param base: The URL to create the branch at.
413
:param force_new_repo: If True a new repository is always created.
414
:param force_new_tree: If True or False force creation of a tree or
415
prevent such creation respectively.
416
:param format: Override for the bzrdir format to create.
417
:param possible_transports: An optional reusable transports list.
420
# check for non local urls
421
t = get_transport(base, possible_transports)
422
if not isinstance(t, LocalTransport):
423
raise errors.NotLocalUrl(base)
424
bzrdir = BzrDir.create(base, format, possible_transports)
425
repo = bzrdir._find_or_create_repository(force_new_repo)
426
result = bzrdir.create_branch()
427
if force_new_tree or (repo.make_working_trees() and
428
force_new_tree is None):
430
bzrdir.create_workingtree()
431
except errors.NotLocalUrl:
436
def create_standalone_workingtree(base, format=None):
437
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
439
'base' must be a local path or a file:// url.
441
This will use the current default BzrDirFormat unless one is
442
specified, and use whatever
443
repository format that that uses for bzrdirformat.create_workingtree,
444
create_branch and create_repository.
446
:param format: Override for the bzrdir format to create.
447
:return: The WorkingTree object.
449
t = get_transport(base)
450
if not isinstance(t, LocalTransport):
451
raise errors.NotLocalUrl(base)
452
bzrdir = BzrDir.create_branch_and_repo(base,
454
format=format).bzrdir
455
return bzrdir.create_workingtree()
457
def create_workingtree(self, revision_id=None, from_branch=None,
458
accelerator_tree=None, hardlink=False):
459
"""Create a working tree at this BzrDir.
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.
461
:param revision_id: create it as of this revision id.
462
:param from_branch: override bzrdir branch (for lightweight checkouts)
349
463
:param accelerator_tree: A tree which can be used for retrieving file
350
464
contents more quickly than the revision tree, i.e. a workingtree.
351
465
The revision tree will be used for cases where accelerator_tree's
352
466
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,
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)
468
raise NotImplementedError(self.create_workingtree)
495
470
def retire_bzrdir(self, limit=10000):
496
471
"""Permanently disable the bzrdir.
633
619
:param _transport: the transport this dir is based at.
635
621
self._format = _format
636
# these are also under the more standard names of
637
# control_transport and user_transport
638
622
self.transport = _transport.clone('.bzr')
639
623
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
650
625
def is_control_filename(self, filename):
651
626
"""True if filename is the name of a path which is reserved for bzrdir's.
653
628
:param filename: A filename within the root transport of this bzrdir.
655
630
This is true IF and ONLY IF the filename is part of the namespace reserved
656
631
for bzr control dirs. Currently this is the '.bzr' directory in the root
657
of the root_transport.
632
of the root_transport. it is expected that plugins will need to extend
633
this in the future - for instance to make bzr talk with svn working
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-
636
# this might be better on the BzrDirFormat class because it refers to
637
# all the possible bzrdir disk formats.
638
# This method is tested via the workingtree is_control_filename tests-
662
639
# it was extracted from WorkingTree.is_control_filename. If the method's
663
640
# contract is extended beyond the current trivial implementation, please
664
641
# add new tests for it to the appropriate place.
665
642
return filename == '.bzr' or filename.startswith('.bzr/')
644
def needs_format_conversion(self, format=None):
645
"""Return true if this bzrdir needs convert_format run on it.
647
For instance, if the repository format is out of date but the
648
branch and working tree are not, this should return True.
650
:param format: Optional parameter indicating a specific desired
651
format we plan to arrive at.
653
raise NotImplementedError(self.needs_format_conversion)
656
def open_unsupported(base):
657
"""Open a branch which is not supported."""
658
return BzrDir.open(base, _unsupported=True)
661
def open(base, _unsupported=False, possible_transports=None):
662
"""Open an existing bzrdir, rooted at 'base' (url).
664
:param _unsupported: a private parameter to the BzrDir class.
666
t = get_transport(base, possible_transports=possible_transports)
667
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
670
def open_from_transport(transport, _unsupported=False,
671
_server_formats=True):
672
"""Open a bzrdir within a particular directory.
674
:param transport: Transport containing the bzrdir.
675
:param _unsupported: private.
677
base = transport.base
679
def find_format(transport):
680
return transport, BzrDirFormat.find_format(
681
transport, _server_formats=_server_formats)
683
def redirected(transport, e, redirection_notice):
684
qualified_source = e.get_source_url()
685
relpath = transport.relpath(qualified_source)
686
if not e.target.endswith(relpath):
687
# Not redirected to a branch-format, not a branch
688
raise errors.NotBranchError(path=e.target)
689
target = e.target[:-len(relpath)]
690
note('%s is%s redirected to %s',
691
transport.base, e.permanently, target)
692
# Let's try with a new transport
693
# FIXME: If 'transport' has a qualifier, this should
694
# be applied again to the new transport *iff* the
695
# schemes used are the same. Uncomment this code
696
# once the function (and tests) exist.
698
#target = urlutils.copy_url_qualifiers(original, target)
699
return get_transport(target)
702
transport, format = do_catching_redirections(find_format,
705
except errors.TooManyRedirections:
706
raise errors.NotBranchError(base)
708
BzrDir._check_supported(format, _unsupported)
709
return format.open(transport, _found=True)
711
def open_branch(self, unsupported=False):
712
"""Open the branch object at this BzrDir if one is present.
714
If unsupported is True, then no longer supported branch formats can
717
TODO: static convenience version of this?
719
raise NotImplementedError(self.open_branch)
722
def open_containing(url, possible_transports=None):
723
"""Open an existing branch which contains url.
725
:param url: url to search from.
726
See open_containing_from_transport for more detail.
728
transport = get_transport(url, possible_transports)
729
return BzrDir.open_containing_from_transport(transport)
732
def open_containing_from_transport(a_transport):
733
"""Open an existing branch which contains a_transport.base.
735
This probes for a branch at a_transport, and searches upwards from there.
737
Basically we keep looking up until we find the control directory or
738
run into the root. If there isn't one, raises NotBranchError.
739
If there is one and it is either an unrecognised format or an unsupported
740
format, UnknownFormatError or UnsupportedFormatError are raised.
741
If there is one, it is returned, along with the unused portion of url.
743
:return: The BzrDir that contains the path, and a Unicode path
744
for the rest of the URL.
746
# this gets the normalised url back. I.e. '.' -> the full path.
747
url = a_transport.base
750
result = BzrDir.open_from_transport(a_transport)
751
return result, urlutils.unescape(a_transport.relpath(url))
752
except errors.NotBranchError, e:
755
new_t = a_transport.clone('..')
756
except errors.InvalidURLJoin:
757
# reached the root, whatever that may be
758
raise errors.NotBranchError(path=url)
759
if new_t.base == a_transport.base:
760
# reached the root, whatever that may be
761
raise errors.NotBranchError(path=url)
764
def _get_tree_branch(self):
765
"""Return the branch and tree, if any, for this bzrdir.
767
Return None for tree if not present or inaccessible.
768
Raise NotBranchError if no branch is present.
769
:return: (tree, branch)
772
tree = self.open_workingtree()
773
except (errors.NoWorkingTree, errors.NotLocalUrl):
775
branch = self.open_branch()
781
def open_tree_or_branch(klass, location):
782
"""Return the branch and working tree at a location.
784
If there is no tree at the location, tree will be None.
785
If there is no branch at the location, an exception will be
787
:return: (tree, branch)
789
bzrdir = klass.open(location)
790
return bzrdir._get_tree_branch()
793
def open_containing_tree_or_branch(klass, location):
794
"""Return the branch and working tree contained by a location.
796
Returns (tree, branch, relpath).
797
If there is no tree at containing the location, tree will be None.
798
If there is no branch containing the location, an exception will be
800
relpath is the portion of the path that is contained by the branch.
802
bzrdir, relpath = klass.open_containing(location)
803
tree, branch = bzrdir._get_tree_branch()
804
return tree, branch, relpath
806
def open_repository(self, _unsupported=False):
807
"""Open the repository object at this BzrDir if one is present.
809
This will not follow the Branch object pointer - it's strictly a direct
810
open facility. Most client code should use open_branch().repository to
813
:param _unsupported: a private parameter, not part of the api.
814
TODO: static convenience version of this?
816
raise NotImplementedError(self.open_repository)
818
def open_workingtree(self, _unsupported=False,
819
recommend_upgrade=True, from_branch=None):
820
"""Open the workingtree object at this BzrDir if one is present.
822
:param recommend_upgrade: Optional keyword parameter, when True (the
823
default), emit through the ui module a recommendation that the user
824
upgrade the working tree when the workingtree being opened is old
825
(but still fully supported).
826
:param from_branch: override bzrdir branch (for lightweight checkouts)
828
raise NotImplementedError(self.open_workingtree)
830
def has_branch(self):
831
"""Tell if this bzrdir contains a branch.
833
Note: if you're going to open the branch, you should just go ahead
834
and try, and not ask permission first. (This method just opens the
835
branch and discards it, and that's somewhat expensive.)
840
except errors.NotBranchError:
843
def has_workingtree(self):
844
"""Tell if this bzrdir contains a working tree.
846
This will still raise an exception if the bzrdir has a workingtree that
847
is remote & inaccessible.
849
Note: if you're going to open the working tree, you should just go ahead
850
and try, and not ask permission first. (This method just opens the
851
workingtree and discards it, and that's somewhat expensive.)
854
self.open_workingtree(recommend_upgrade=False)
856
except errors.NoWorkingTree:
667
859
def _cloning_metadir(self):
668
"""Produce a metadir suitable for cloning with.
670
:returns: (destination_bzrdir_format, source_repository)
860
"""Produce a metadir suitable for cloning with."""
672
861
result_format = self._format.__class__()
675
branch = self.open_branch(ignore_fallbacks=True)
864
branch = self.open_branch()
676
865
source_repository = branch.repository
677
result_format._branch_format = branch._format
678
866
except errors.NotBranchError:
679
867
source_branch = None
680
868
source_repository = self.open_repository()
700
886
result_format.workingtree_format = tree._format.__class__()
701
887
return result_format, source_repository
703
def cloning_metadir(self, require_stacking=False):
889
def cloning_metadir(self):
704
890
"""Produce a metadir suitable for cloning or sprouting with.
706
892
These operations may produce workingtrees (yes, even though they're
707
893
"cloning" something that doesn't have a tree), so a viable workingtree
708
894
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
716
896
format, repository = self._cloning_metadir()
717
897
if format._workingtree_format is None:
719
898
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).
724
900
tree_format = repository._format._matchingbzrdir.workingtree_format
725
901
format.workingtree_format = tree_format.__class__()
727
format.require_stacking()
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.
904
def checkout_metadir(self):
905
return self.cloning_metadir()
907
def sprout(self, url, revision_id=None, force_new_repo=False,
908
recurse='down', possible_transports=None,
909
accelerator_tree=None, hardlink=False):
910
"""Create a copy of this bzrdir prepared for use as a new line of
913
If url's last component does not exist, it will be created.
915
Attributes related to the identity of the source branch like
916
branch nickname will be cleaned, a working tree is created
917
whether one existed before or not; and a local branch is always
920
if revision_id is not None, then the clone operation may tune
921
itself to download less data.
922
:param accelerator_tree: A tree which can be used for retrieving file
923
contents more quickly than the revision tree, i.e. a workingtree.
924
The revision tree will be used for cases where accelerator_tree's
925
content is different.
926
:param hardlink: If true, hard-link files from accelerator_tree,
741
raise NotImplementedError(self.get_branch_transport)
929
target_transport = get_transport(url, possible_transports)
930
target_transport.ensure_base()
931
cloning_format = self.cloning_metadir()
932
result = cloning_format.initialize_on_transport(target_transport)
934
source_branch = self.open_branch()
935
source_repository = source_branch.repository
936
except errors.NotBranchError:
939
source_repository = self.open_repository()
940
except errors.NoRepositoryPresent:
941
source_repository = None
946
result_repo = result.find_repository()
947
except errors.NoRepositoryPresent:
949
if source_repository is None and result_repo is not None:
951
elif source_repository is None and result_repo is None:
952
# no repo available, make a new one
953
result.create_repository()
954
elif source_repository is not None and result_repo is None:
955
# have source, and want to make a new target repo
956
result_repo = source_repository.sprout(result,
957
revision_id=revision_id)
959
# fetch needed content into target.
960
if source_repository is not None:
962
# source_repository.copy_content_into(result_repo,
963
# revision_id=revision_id)
964
# so we can override the copy method
965
result_repo.fetch(source_repository, revision_id=revision_id)
966
if source_branch is not None:
967
source_branch.sprout(result, revision_id=revision_id)
969
result.create_branch()
970
if isinstance(target_transport, LocalTransport) and (
971
result_repo is None or result_repo.make_working_trees()):
972
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
976
if wt.path2id('') is None:
978
wt.set_root_id(self.open_workingtree.get_root_id())
979
except errors.NoWorkingTree:
985
if recurse == 'down':
987
basis = wt.basis_tree()
989
subtrees = basis.iter_references()
990
recurse_branch = wt.branch
991
elif source_branch is not None:
992
basis = source_branch.basis_tree()
994
subtrees = basis.iter_references()
995
recurse_branch = source_branch
1000
for path, file_id in subtrees:
1001
target = urlutils.join(url, urlutils.escape(path))
1002
sublocation = source_branch.reference_parent(file_id, path)
1003
sublocation.bzrdir.sprout(target,
1004
basis.get_reference_revision(file_id, path),
1005
force_new_repo=force_new_repo, recurse=recurse)
1007
if basis is not None:
1012
class BzrDirPreSplitOut(BzrDir):
1013
"""A common class for the all-in-one formats."""
1015
def __init__(self, _transport, _format):
1016
"""See BzrDir.__init__."""
1017
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1018
self._control_files = lockable_files.LockableFiles(
1019
self.get_branch_transport(None),
1020
self._format._lock_file_name,
1021
self._format._lock_class)
1023
def break_lock(self):
1024
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1025
raise NotImplementedError(self.break_lock)
1027
def cloning_metadir(self):
1028
"""Produce a metadir suitable for cloning with."""
1029
return self._format.__class__()
1031
def clone(self, url, revision_id=None, force_new_repo=False):
1032
"""See BzrDir.clone()."""
1033
from bzrlib.workingtree import WorkingTreeFormat2
1034
self._make_tail(url)
1035
result = self._format._initialize_for_clone(url)
1036
self.open_repository().clone(result, revision_id=revision_id)
1037
from_branch = self.open_branch()
1038
from_branch.clone(result, revision_id=revision_id)
1040
self.open_workingtree().clone(result)
1041
except errors.NotLocalUrl:
1042
# make a new one, this format always has to have one.
1044
WorkingTreeFormat2().initialize(result)
1045
except errors.NotLocalUrl:
1046
# but we cannot do it for remote trees.
1047
to_branch = result.open_branch()
1048
WorkingTreeFormat2().stub_initialize_remote(to_branch.control_files)
1051
def create_branch(self):
1052
"""See BzrDir.create_branch."""
1053
return self.open_branch()
1055
def destroy_branch(self):
1056
"""See BzrDir.destroy_branch."""
1057
raise errors.UnsupportedOperation(self.destroy_branch, self)
1059
def create_repository(self, shared=False):
1060
"""See BzrDir.create_repository."""
1062
raise errors.IncompatibleFormat('shared repository', self._format)
1063
return self.open_repository()
1065
def destroy_repository(self):
1066
"""See BzrDir.destroy_repository."""
1067
raise errors.UnsupportedOperation(self.destroy_repository, self)
1069
def create_workingtree(self, revision_id=None, from_branch=None,
1070
accelerator_tree=None, hardlink=False):
1071
"""See BzrDir.create_workingtree."""
1072
# this looks buggy but is not -really-
1073
# because this format creates the workingtree when the bzrdir is
1075
# clone and sprout will have set the revision_id
1076
# and that will have set it for us, its only
1077
# specific uses of create_workingtree in isolation
1078
# that can do wonky stuff here, and that only
1079
# happens for creating checkouts, which cannot be
1080
# done on this format anyway. So - acceptable wart.
1081
result = self.open_workingtree(recommend_upgrade=False)
1082
if revision_id is not None:
1083
if revision_id == _mod_revision.NULL_REVISION:
1084
result.set_parent_ids([])
1086
result.set_parent_ids([revision_id])
1089
def destroy_workingtree(self):
1090
"""See BzrDir.destroy_workingtree."""
1091
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1093
def destroy_workingtree_metadata(self):
1094
"""See BzrDir.destroy_workingtree_metadata."""
1095
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1098
def get_branch_transport(self, branch_format):
1099
"""See BzrDir.get_branch_transport()."""
1100
if branch_format is None:
1101
return self.transport
1103
branch_format.get_format_string()
1104
except NotImplementedError:
1105
return self.transport
1106
raise errors.IncompatibleFormat(branch_format, self._format)
743
1108
def get_repository_transport(self, repository_format):
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()
1109
"""See BzrDir.get_repository_transport()."""
1110
if repository_format is None:
1111
return self.transport
1113
repository_format.get_format_string()
1114
except NotImplementedError:
1115
return self.transport
1116
raise errors.IncompatibleFormat(repository_format, self._format)
1118
def get_workingtree_transport(self, workingtree_format):
1119
"""See BzrDir.get_workingtree_transport()."""
1120
if workingtree_format is None:
1121
return self.transport
1123
workingtree_format.get_format_string()
1124
except NotImplementedError:
1125
return self.transport
1126
raise errors.IncompatibleFormat(workingtree_format, self._format)
1128
def needs_format_conversion(self, format=None):
1129
"""See BzrDir.needs_format_conversion()."""
1130
# if the format is not the same as the system default,
1131
# an upgrade is needed.
1133
format = BzrDirFormat.get_default_format()
1134
return not isinstance(self._format, format.__class__)
1136
def open_branch(self, unsupported=False):
1137
"""See BzrDir.open_branch."""
1138
from bzrlib.branch import BzrBranchFormat4
1139
format = BzrBranchFormat4()
1140
self._check_supported(format, unsupported)
1141
return format.open(self, _found=True)
1143
def sprout(self, url, revision_id=None, force_new_repo=False,
1144
possible_transports=None, accelerator_tree=None,
1146
"""See BzrDir.sprout()."""
1147
from bzrlib.workingtree import WorkingTreeFormat2
1148
self._make_tail(url)
1149
result = self._format._initialize_for_clone(url)
1151
self.open_repository().clone(result, revision_id=revision_id)
1152
except errors.NoRepositoryPresent:
1155
self.open_branch().sprout(result, revision_id=revision_id)
1156
except errors.NotBranchError:
1158
# we always want a working tree
1159
WorkingTreeFormat2().initialize(result,
1160
accelerator_tree=accelerator_tree,
1165
class BzrDir4(BzrDirPreSplitOut):
1166
"""A .bzr version 4 control object.
1168
This is a deprecated format and may be removed after sept 2006.
1171
def create_repository(self, shared=False):
1172
"""See BzrDir.create_repository."""
1173
return self._format.repository_format.initialize(self, shared)
1175
def needs_format_conversion(self, format=None):
1176
"""Format 4 dirs are always in need of conversion."""
1179
def open_repository(self):
1180
"""See BzrDir.open_repository."""
1181
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1182
return RepositoryFormat4().open(self, _found=True)
1185
class BzrDir5(BzrDirPreSplitOut):
1186
"""A .bzr version 5 control object.
1188
This is a deprecated format and may be removed after sept 2006.
1191
def open_repository(self):
1192
"""See BzrDir.open_repository."""
1193
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1194
return RepositoryFormat5().open(self, _found=True)
1196
def open_workingtree(self, _unsupported=False,
1197
recommend_upgrade=True):
1198
"""See BzrDir.create_workingtree."""
1199
from bzrlib.workingtree import WorkingTreeFormat2
1200
wt_format = WorkingTreeFormat2()
1201
# we don't warn here about upgrades; that ought to be handled for the
1203
return wt_format.open(self, _found=True)
1206
class BzrDir6(BzrDirPreSplitOut):
1207
"""A .bzr version 6 control object.
1209
This is a deprecated format and may be removed after sept 2006.
1212
def open_repository(self):
1213
"""See BzrDir.open_repository."""
1214
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1215
return RepositoryFormat6().open(self, _found=True)
1217
def open_workingtree(self, _unsupported=False,
1218
recommend_upgrade=True):
1219
"""See BzrDir.create_workingtree."""
1220
# we don't warn here about upgrades; that ought to be handled for the
1222
from bzrlib.workingtree import WorkingTreeFormat2
1223
return WorkingTreeFormat2().open(self, _found=True)
801
1226
class BzrDirMeta1(BzrDir):
802
1227
"""A .bzr meta version 1 control object.
804
This is the first control object where the
1229
This is the first control object where the
805
1230
individual aspects are really split out: there are separate repository,
806
1231
workingtree and branch subdirectories and any subset of the three can be
807
1232
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)
856
1235
def can_convert_format(self):
857
1236
"""See BzrDir.can_convert_format()."""
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)
1239
def create_branch(self):
1240
"""See BzrDir.create_branch."""
1241
return self._format.get_branch_format().initialize(self)
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,
1243
def destroy_branch(self):
1244
"""See BzrDir.create_branch."""
1245
self.transport.delete_tree('branch')
891
1247
def create_repository(self, shared=False):
892
1248
"""See BzrDir.create_repository."""
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)
1367
def open_branch(self, unsupported=False):
1368
"""See BzrDir.open_branch."""
1369
format = self.find_branch_format()
1370
self._check_supported(format, unsupported)
1371
return format.open(self, _found=True)
1081
1373
def open_repository(self, unsupported=False):
1082
1374
"""See BzrDir.open_repository."""
1083
from bzrlib.repository import RepositoryFormatMetaDir
1084
format = RepositoryFormatMetaDir.find_format(self)
1085
format.check_support_status(unsupported)
1375
from bzrlib.repository import RepositoryFormat
1376
format = RepositoryFormat.find_format(self)
1377
self._check_supported(format, unsupported)
1086
1378
return format.open(self, _found=True)
1088
1380
def open_workingtree(self, unsupported=False,
1089
1381
recommend_upgrade=True):
1090
1382
"""See BzrDir.open_workingtree."""
1091
from bzrlib.workingtree import WorkingTreeFormatMetaDir
1092
format = WorkingTreeFormatMetaDir.find_format(self)
1093
format.check_support_status(unsupported, recommend_upgrade,
1383
from bzrlib.workingtree import WorkingTreeFormat
1384
format = WorkingTreeFormat.find_format(self)
1385
self._check_supported(format, unsupported,
1094
1387
basedir=self.root_transport.base)
1095
1388
return format.open(self, _found=True)
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
1391
class BzrDirFormat(object):
1392
"""An encapsulation of the initialization and open routines for a format.
1394
Formats provide three things:
1395
* An initialization routine,
1399
Formats are placed in a dict by their format string for reference
1301
1400
during bzrdir opening. These should be subclasses of BzrDirFormat
1302
1401
for consistency.
1304
1403
Once a format is deprecated, just deprecate the initialize and open
1305
methods on the format class. Do not deprecate the object, as the
1404
methods on the format class. Do not deprecate the object, as the
1306
1405
object will be created every system load.
1408
_default_format = None
1409
"""The default format used for new .bzr dirs."""
1412
"""The known formats."""
1414
_control_formats = []
1415
"""The registered control formats - .bzr, ....
1417
This is a list of BzrDirFormat objects.
1420
_control_server_formats = []
1421
"""The registered control server formats, e.g. RemoteBzrDirs.
1423
This is a list of BzrDirFormat objects.
1309
1426
_lock_file_name = 'branch-lock'
1311
1428
# _lock_class must be set in subclasses to the lock type, typ.
1312
1429
# TransportLock or LockDir
1432
def find_format(klass, transport, _server_formats=True):
1433
"""Return the format present at transport."""
1435
formats = klass._control_server_formats + klass._control_formats
1437
formats = klass._control_formats
1438
for format in formats:
1440
return format.probe_transport(transport)
1441
except errors.NotBranchError:
1442
# this format does not find a control dir here.
1444
raise errors.NotBranchError(path=transport.base)
1447
def probe_transport(klass, transport):
1448
"""Return the .bzrdir style format present in a directory."""
1450
format_string = transport.get(".bzr/branch-format").read()
1451
except errors.NoSuchFile:
1452
raise errors.NotBranchError(path=transport.base)
1455
return klass._formats[format_string]
1457
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1460
def get_default_format(klass):
1461
"""Return the current default format."""
1462
return klass._default_format
1464
def get_format_string(self):
1465
"""Return the ASCII format string that identifies this format."""
1466
raise NotImplementedError(self.get_format_string)
1468
def get_format_description(self):
1469
"""Return the short description for this format."""
1470
raise NotImplementedError(self.get_format_description)
1472
def get_converter(self, format=None):
1473
"""Return the converter to use to convert bzrdirs needing converts.
1475
This returns a bzrlib.bzrdir.Converter object.
1477
This should return the best upgrader to step this format towards the
1478
current default format. In the case of plugins we can/should provide
1479
some means for them to extend the range of returnable converters.
1481
:param format: Optional format to override the default format of the
1484
raise NotImplementedError(self.get_converter)
1486
def initialize(self, url, possible_transports=None):
1487
"""Create a bzr control dir at this url and return an opened copy.
1489
Subclasses should typically override initialize_on_transport
1490
instead of this method.
1492
return self.initialize_on_transport(get_transport(url,
1493
possible_transports))
1314
1495
def initialize_on_transport(self, transport):
1315
1496
"""Initialize a new bzrdir in the base directory of a Transport."""
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
1497
# Since we don't have a .bzr directory, inherit the
1438
1498
# mode from the root directory
1439
1499
temp_control = lockable_files.LockableFiles(transport,
1440
1500
'', lockable_files.TransportLock)
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):
1501
temp_control._transport.mkdir('.bzr',
1502
# FIXME: RBC 20060121 don't peek under
1504
mode=temp_control._dir_mode)
1505
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1449
1506
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1450
1507
file_mode = temp_control._file_mode
1451
1508
del temp_control
1452
bzrdir_transport = transport.clone('.bzr')
1453
utf8_files = [('README',
1509
mutter('created control directory in ' + transport.base)
1510
control = transport.clone('.bzr')
1511
utf8_files = [('README',
1454
1512
"This is a Bazaar control directory.\n"
1455
1513
"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()),
1514
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1515
('branch-format', self.get_format_string()),
1459
1517
# NB: no need to escape relative paths that are url safe.
1460
control_files = lockable_files.LockableFiles(bzrdir_transport,
1461
self._lock_file_name, self._lock_class)
1518
control_files = lockable_files.LockableFiles(control,
1519
self._lock_file_name, self._lock_class)
1462
1520
control_files.create_lock()
1463
1521
control_files.lock_write()
1465
for (filename, content) in utf8_files:
1466
bzrdir_transport.put_bytes(filename, content,
1523
for file, content in utf8_files:
1524
control_files.put_utf8(file, content)
1469
1526
control_files.unlock()
1470
1527
return self.open(transport, _found=True)
1529
def is_supported(self):
1530
"""Is this format supported?
1532
Supported formats must be initializable and openable.
1533
Unsupported formats may not support initialization or committing or
1534
some other features depending on the reason for not being supported.
1538
def same_model(self, target_format):
1539
return (self.repository_format.rich_root_data ==
1540
target_format.rich_root_data)
1543
def known_formats(klass):
1544
"""Return all the known formats.
1546
Concrete formats should override _known_formats.
1548
# There is double indirection here to make sure that control
1549
# formats used by more than one dir format will only be probed
1550
# once. This can otherwise be quite expensive for remote connections.
1552
for format in klass._control_formats:
1553
result.update(format._known_formats())
1557
def _known_formats(klass):
1558
"""Return the known format instances for this control format."""
1559
return set(klass._formats.values())
1472
1561
def open(self, transport, _found=False):
1473
1562
"""Return an instance of this format for the dir transport points at.
1475
1564
_found is a private parameter, do not use it.
1478
found_format = controldir.ControlDirFormat.find_format(transport)
1567
found_format = BzrDirFormat.find_format(transport)
1479
1568
if not isinstance(found_format, self.__class__):
1480
1569
raise AssertionError("%s was asked to open %s, but it seems to need "
1482
1571
% (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)
1486
1572
return self._open(transport)
1488
1574
def _open(self, transport):
1494
1580
raise NotImplementedError(self._open)
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)
1583
def register_format(klass, format):
1584
klass._formats[format.get_format_string()] = format
1587
def register_control_format(klass, format):
1588
"""Register a format that does not use '.bzr' for its control dir.
1590
TODO: This should be pulled up into a 'ControlDirFormat' base class
1591
which BzrDirFormat can inherit from, and renamed to register_format
1592
there. It has been done without that for now for simplicity of
1595
klass._control_formats.append(format)
1598
def register_control_server_format(klass, format):
1599
"""Register a control format for client-server environments.
1601
These formats will be tried before ones registered with
1602
register_control_format. This gives implementations that decide to the
1603
chance to grab it before anything looks at the contents of the format
1606
klass._control_server_formats.append(format)
1609
def _set_default_format(klass, format):
1610
"""Set default format (for testing behavior of defaults only)"""
1611
klass._default_format = format
1615
return self.get_format_string().rstrip()
1618
def unregister_format(klass, format):
1619
del klass._formats[format.get_format_string()]
1622
def unregister_control_format(klass, format):
1623
klass._control_formats.remove(format)
1626
class BzrDirFormat4(BzrDirFormat):
1627
"""Bzr dir format 4.
1629
This format is a combined format for working tree, branch and repository.
1631
- Format 1 working trees [always]
1632
- Format 4 branches [always]
1633
- Format 4 repositories [always]
1635
This format is deprecated: it indexes texts using a text it which is
1636
removed in format 5; write support for this format has been removed.
1639
_lock_class = lockable_files.TransportLock
1641
def get_format_string(self):
1642
"""See BzrDirFormat.get_format_string()."""
1643
return "Bazaar-NG branch, format 0.0.4\n"
1645
def get_format_description(self):
1646
"""See BzrDirFormat.get_format_description()."""
1647
return "All-in-one format 4"
1649
def get_converter(self, format=None):
1650
"""See BzrDirFormat.get_converter()."""
1651
# there is one and only one upgrade path here.
1652
return ConvertBzrDir4To5()
1654
def initialize_on_transport(self, transport):
1655
"""Format 4 branches cannot be created."""
1656
raise errors.UninitializableFormat(self)
1658
def is_supported(self):
1659
"""Format 4 is not supported.
1661
It is not supported because the model changed from 4 to 5 and the
1662
conversion logic is expensive - so doing it on the fly was not
1667
def _open(self, transport):
1668
"""See BzrDirFormat._open."""
1669
return BzrDir4(transport, self)
1671
def __return_repository_format(self):
1672
"""Circular import protection."""
1673
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1674
return RepositoryFormat4()
1675
repository_format = property(__return_repository_format)
1678
class BzrDirFormat5(BzrDirFormat):
1679
"""Bzr control format 5.
1681
This format is a combined format for working tree, branch and repository.
1683
- Format 2 working trees [always]
1684
- Format 4 branches [always]
1685
- Format 5 repositories [always]
1686
Unhashed stores in the repository.
1689
_lock_class = lockable_files.TransportLock
1691
def get_format_string(self):
1692
"""See BzrDirFormat.get_format_string()."""
1693
return "Bazaar-NG branch, format 5\n"
1695
def get_format_description(self):
1696
"""See BzrDirFormat.get_format_description()."""
1697
return "All-in-one format 5"
1699
def get_converter(self, format=None):
1700
"""See BzrDirFormat.get_converter()."""
1701
# there is one and only one upgrade path here.
1702
return ConvertBzrDir5To6()
1704
def _initialize_for_clone(self, url):
1705
return self.initialize_on_transport(get_transport(url), _cloning=True)
1707
def initialize_on_transport(self, transport, _cloning=False):
1708
"""Format 5 dirs always have working tree, branch and repository.
1710
Except when they are being cloned.
1712
from bzrlib.branch import BzrBranchFormat4
1713
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1714
from bzrlib.workingtree import WorkingTreeFormat2
1715
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1716
RepositoryFormat5().initialize(result, _internal=True)
1718
branch = BzrBranchFormat4().initialize(result)
1720
WorkingTreeFormat2().initialize(result)
1721
except errors.NotLocalUrl:
1722
# Even though we can't access the working tree, we need to
1723
# create its control files.
1724
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1727
def _open(self, transport):
1728
"""See BzrDirFormat._open."""
1729
return BzrDir5(transport, self)
1731
def __return_repository_format(self):
1732
"""Circular import protection."""
1733
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1734
return RepositoryFormat5()
1735
repository_format = property(__return_repository_format)
1738
class BzrDirFormat6(BzrDirFormat):
1739
"""Bzr control format 6.
1741
This format is a combined format for working tree, branch and repository.
1743
- Format 2 working trees [always]
1744
- Format 4 branches [always]
1745
- Format 6 repositories [always]
1748
_lock_class = lockable_files.TransportLock
1750
def get_format_string(self):
1751
"""See BzrDirFormat.get_format_string()."""
1752
return "Bazaar-NG branch, format 6\n"
1754
def get_format_description(self):
1755
"""See BzrDirFormat.get_format_description()."""
1756
return "All-in-one format 6"
1758
def get_converter(self, format=None):
1759
"""See BzrDirFormat.get_converter()."""
1760
# there is one and only one upgrade path here.
1761
return ConvertBzrDir6ToMeta()
1763
def _initialize_for_clone(self, url):
1764
return self.initialize_on_transport(get_transport(url), _cloning=True)
1766
def initialize_on_transport(self, transport, _cloning=False):
1767
"""Format 6 dirs always have working tree, branch and repository.
1769
Except when they are being cloned.
1771
from bzrlib.branch import BzrBranchFormat4
1772
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1773
from bzrlib.workingtree import WorkingTreeFormat2
1774
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1775
RepositoryFormat6().initialize(result, _internal=True)
1777
branch = BzrBranchFormat4().initialize(result)
1779
WorkingTreeFormat2().initialize(result)
1780
except errors.NotLocalUrl:
1781
# Even though we can't access the working tree, we need to
1782
# create its control files.
1783
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1786
def _open(self, transport):
1787
"""See BzrDirFormat._open."""
1788
return BzrDir6(transport, self)
1790
def __return_repository_format(self):
1791
"""Circular import protection."""
1792
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1793
return RepositoryFormat6()
1794
repository_format = property(__return_repository_format)
1522
1797
class BzrDirMetaFormat1(BzrDirFormat):
1561
1826
def get_branch_format(self):
1562
1827
if self._branch_format is None:
1563
from bzrlib.branch import format_registry as branch_format_registry
1564
self._branch_format = branch_format_registry.get_default()
1828
from bzrlib.branch import BranchFormat
1829
self._branch_format = BranchFormat.get_default_format()
1565
1830
return self._branch_format
1567
1832
def set_branch_format(self, format):
1568
1833
self._branch_format = format
1570
def require_stacking(self, stack_on=None, possible_transports=None,
1572
"""We have a request to stack, try to ensure the formats support it.
1574
:param stack_on: If supplied, it is the URL to a branch that we want to
1575
stack on. Check to see if that format supports stacking before
1578
# Stacking is desired. requested by the target, but does the place it
1579
# points at support stacking? If it doesn't then we should
1580
# not implicitly upgrade. We check this here.
1581
new_repo_format = None
1582
new_branch_format = None
1584
# a bit of state for get_target_branch so that we don't try to open it
1585
# 2 times, for both repo *and* branch
1586
target = [None, False, None] # target_branch, checked, upgrade anyway
1587
def get_target_branch():
1589
# We've checked, don't check again
1591
if stack_on is None:
1592
# No target format, that means we want to force upgrading
1593
target[:] = [None, True, True]
1596
target_dir = BzrDir.open(stack_on,
1597
possible_transports=possible_transports)
1598
except errors.NotBranchError:
1599
# Nothing there, don't change formats
1600
target[:] = [None, True, False]
1602
except errors.JailBreak:
1603
# JailBreak, JFDI and upgrade anyway
1604
target[:] = [None, True, True]
1607
target_branch = target_dir.open_branch()
1608
except errors.NotBranchError:
1609
# No branch, don't upgrade formats
1610
target[:] = [None, True, False]
1612
target[:] = [target_branch, True, False]
1615
if (not _skip_repo and
1616
not self.repository_format.supports_external_lookups):
1617
# We need to upgrade the Repository.
1618
target_branch, _, do_upgrade = get_target_branch()
1619
if target_branch is None:
1620
# We don't have a target branch, should we upgrade anyway?
1622
# stack_on is inaccessible, JFDI.
1623
# TODO: bad monkey, hard-coded formats...
1624
if self.repository_format.rich_root_data:
1625
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5RichRoot()
1627
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5()
1629
# If the target already supports stacking, then we know the
1630
# project is already able to use stacking, so auto-upgrade
1632
new_repo_format = target_branch.repository._format
1633
if not new_repo_format.supports_external_lookups:
1634
# target doesn't, source doesn't, so don't auto upgrade
1636
new_repo_format = None
1637
if new_repo_format is not None:
1638
self.repository_format = new_repo_format
1639
note(gettext('Source repository format does not support stacking,'
1640
' using format:\n %s'),
1641
new_repo_format.get_format_description())
1643
if not self.get_branch_format().supports_stacking():
1644
# We just checked the repo, now lets check if we need to
1645
# upgrade the branch format
1646
target_branch, _, do_upgrade = get_target_branch()
1647
if target_branch is None:
1649
# TODO: bad monkey, hard-coded formats...
1650
from bzrlib.branch import BzrBranchFormat7
1651
new_branch_format = BzrBranchFormat7()
1653
new_branch_format = target_branch._format
1654
if not new_branch_format.supports_stacking():
1655
new_branch_format = None
1656
if new_branch_format is not None:
1657
# Does support stacking, use its format.
1658
self.set_branch_format(new_branch_format)
1659
note(gettext('Source branch format does not support stacking,'
1660
' using format:\n %s'),
1661
new_branch_format.get_format_description())
1663
1835
def get_converter(self, format=None):
1664
1836
"""See BzrDirFormat.get_converter()."""
1665
1837
if format is None:
1666
1838
format = BzrDirFormat.get_default_format()
1667
if (type(self) is BzrDirMetaFormat1 and
1668
type(format) is BzrDirMetaFormat1Colo):
1669
return ConvertMetaToColo(format)
1670
if (type(self) is BzrDirMetaFormat1Colo and
1671
type(format) is BzrDirMetaFormat1):
1672
return ConvertMetaToColo(format)
1673
1839
if not isinstance(self, format.__class__):
1674
1840
# converting away from metadir is not implemented
1675
1841
raise NotImplementedError(self.get_converter)
1676
1842
return ConvertMetaToMeta(format)
1679
def get_format_string(cls):
1844
def get_format_string(self):
1680
1845
"""See BzrDirFormat.get_format_string()."""
1681
1846
return "Bazaar-NG meta directory, format 1\n"
1687
1852
def _open(self, transport):
1688
1853
"""See BzrDirFormat._open."""
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)
1854
return BzrDirMeta1(transport, self)
1696
1856
def __return_repository_format(self):
1697
1857
"""Circular import protection."""
1698
if self._repository_format:
1858
if getattr(self, '_repository_format', None):
1699
1859
return self._repository_format
1700
from bzrlib.repository import format_registry
1701
return format_registry.get_default()
1860
from bzrlib.repository import RepositoryFormat
1861
return RepositoryFormat.get_default_format()
1703
def _set_repository_format(self, value):
1863
def __set_repository_format(self, value):
1704
1864
"""Allow changing the repository format for metadir formats."""
1705
1865
self._repository_format = value
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
1867
repository_format = property(__return_repository_format, __set_repository_format)
1729
1869
def __get_workingtree_format(self):
1730
1870
if self._workingtree_format is None:
1731
from bzrlib.workingtree import (
1732
format_registry as wt_format_registry,
1734
self._workingtree_format = wt_format_registry.get_default()
1871
from bzrlib.workingtree import WorkingTreeFormat
1872
self._workingtree_format = WorkingTreeFormat.get_default_format()
1735
1873
return self._workingtree_format
1737
1875
def __set_workingtree_format(self, wt_format):
1738
1876
self._workingtree_format = wt_format
1741
return "<%r>" % (self.__class__.__name__,)
1743
1878
workingtree_format = property(__get_workingtree_format,
1744
1879
__set_workingtree_format)
1882
# Register bzr control format
1883
BzrDirFormat.register_control_format(BzrDirFormat)
1747
1885
# Register bzr formats
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):
1886
BzrDirFormat.register_format(BzrDirFormat4())
1887
BzrDirFormat.register_format(BzrDirFormat5())
1888
BzrDirFormat.register_format(BzrDirFormat6())
1889
__default_format = BzrDirMetaFormat1()
1890
BzrDirFormat.register_format(__default_format)
1891
BzrDirFormat._default_format = __default_format
1894
class Converter(object):
1895
"""Converts a disk format object from one format to another."""
1897
def convert(self, to_convert, pb):
1898
"""Perform the conversion of to_convert, giving feedback via pb.
1900
:param to_convert: The disk object to convert.
1901
:param pb: a progress bar to use for progress information.
1904
def step(self, message):
1905
"""Update the pb by a step."""
1907
self.pb.update(message, self.count, self.total)
1910
class ConvertBzrDir4To5(Converter):
1911
"""Converts format 4 bzr dirs to format 5."""
1914
super(ConvertBzrDir4To5, self).__init__()
1915
self.converted_revs = set()
1916
self.absent_revisions = set()
1920
def convert(self, to_convert, pb):
1921
"""See Converter.convert()."""
1922
self.bzrdir = to_convert
1924
self.pb.note('starting upgrade from format 4 to 5')
1925
if isinstance(self.bzrdir.transport, LocalTransport):
1926
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
1927
self._convert_to_weaves()
1928
return BzrDir.open(self.bzrdir.root_transport.base)
1930
def _convert_to_weaves(self):
1931
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
1934
stat = self.bzrdir.transport.stat('weaves')
1935
if not S_ISDIR(stat.st_mode):
1936
self.bzrdir.transport.delete('weaves')
1937
self.bzrdir.transport.mkdir('weaves')
1938
except errors.NoSuchFile:
1939
self.bzrdir.transport.mkdir('weaves')
1940
# deliberately not a WeaveFile as we want to build it up slowly.
1941
self.inv_weave = Weave('inventory')
1942
# holds in-memory weaves for all files
1943
self.text_weaves = {}
1944
self.bzrdir.transport.delete('branch-format')
1945
self.branch = self.bzrdir.open_branch()
1946
self._convert_working_inv()
1947
rev_history = self.branch.revision_history()
1948
# to_read is a stack holding the revisions we still need to process;
1949
# appending to it adds new highest-priority revisions
1950
self.known_revisions = set(rev_history)
1951
self.to_read = rev_history[-1:]
1953
rev_id = self.to_read.pop()
1954
if (rev_id not in self.revisions
1955
and rev_id not in self.absent_revisions):
1956
self._load_one_rev(rev_id)
1958
to_import = self._make_order()
1959
for i, rev_id in enumerate(to_import):
1960
self.pb.update('converting revision', i, len(to_import))
1961
self._convert_one_rev(rev_id)
1963
self._write_all_weaves()
1964
self._write_all_revs()
1965
self.pb.note('upgraded to weaves:')
1966
self.pb.note(' %6d revisions and inventories', len(self.revisions))
1967
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
1968
self.pb.note(' %6d texts', self.text_count)
1969
self._cleanup_spare_files_after_format4()
1970
self.branch.control_files.put_utf8('branch-format', BzrDirFormat5().get_format_string())
1972
def _cleanup_spare_files_after_format4(self):
1973
# FIXME working tree upgrade foo.
1974
for n in 'merged-patches', 'pending-merged-patches':
1976
## assert os.path.getsize(p) == 0
1977
self.bzrdir.transport.delete(n)
1978
except errors.NoSuchFile:
1980
self.bzrdir.transport.delete_tree('inventory-store')
1981
self.bzrdir.transport.delete_tree('text-store')
1983
def _convert_working_inv(self):
1984
inv = xml4.serializer_v4.read_inventory(
1985
self.branch.control_files.get('inventory'))
1986
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
1987
# FIXME inventory is a working tree change.
1988
self.branch.control_files.put('inventory', StringIO(new_inv_xml))
1990
def _write_all_weaves(self):
1991
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
1992
weave_transport = self.bzrdir.transport.clone('weaves')
1993
weaves = WeaveStore(weave_transport, prefixed=False)
1994
transaction = WriteTransaction()
1998
for file_id, file_weave in self.text_weaves.items():
1999
self.pb.update('writing weave', i, len(self.text_weaves))
2000
weaves._put_weave(file_id, file_weave, transaction)
2002
self.pb.update('inventory', 0, 1)
2003
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2004
self.pb.update('inventory', 1, 1)
2008
def _write_all_revs(self):
2009
"""Write all revisions out in new form."""
2010
self.bzrdir.transport.delete_tree('revision-store')
2011
self.bzrdir.transport.mkdir('revision-store')
2012
revision_transport = self.bzrdir.transport.clone('revision-store')
2014
_revision_store = TextRevisionStore(TextStore(revision_transport,
2018
transaction = WriteTransaction()
2019
for i, rev_id in enumerate(self.converted_revs):
2020
self.pb.update('write revision', i, len(self.converted_revs))
2021
_revision_store.add_revision(self.revisions[rev_id], transaction)
2025
def _load_one_rev(self, rev_id):
2026
"""Load a revision object into memory.
2028
Any parents not either loaded or abandoned get queued to be
2030
self.pb.update('loading revision',
2031
len(self.revisions),
2032
len(self.known_revisions))
2033
if not self.branch.repository.has_revision(rev_id):
2035
self.pb.note('revision {%s} not present in branch; '
2036
'will be converted as a ghost',
2038
self.absent_revisions.add(rev_id)
2040
rev = self.branch.repository._revision_store.get_revision(rev_id,
2041
self.branch.repository.get_transaction())
2042
for parent_id in rev.parent_ids:
2043
self.known_revisions.add(parent_id)
2044
self.to_read.append(parent_id)
2045
self.revisions[rev_id] = rev
2047
def _load_old_inventory(self, rev_id):
2048
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2049
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2050
inv.revision_id = rev_id
2051
rev = self.revisions[rev_id]
2054
def _load_updated_inventory(self, rev_id):
2055
inv_xml = self.inv_weave.get_text(rev_id)
2056
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2059
def _convert_one_rev(self, rev_id):
2060
"""Convert revision and all referenced objects to new format."""
2061
rev = self.revisions[rev_id]
2062
inv = self._load_old_inventory(rev_id)
2063
present_parents = [p for p in rev.parent_ids
2064
if p not in self.absent_revisions]
2065
self._convert_revision_contents(rev, inv, present_parents)
2066
self._store_new_inv(rev, inv, present_parents)
2067
self.converted_revs.add(rev_id)
2069
def _store_new_inv(self, rev, inv, present_parents):
2070
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2071
new_inv_sha1 = sha_string(new_inv_xml)
2072
self.inv_weave.add_lines(rev.revision_id,
2074
new_inv_xml.splitlines(True))
2075
rev.inventory_sha1 = new_inv_sha1
2077
def _convert_revision_contents(self, rev, inv, present_parents):
2078
"""Convert all the files within a revision.
2080
Also upgrade the inventory to refer to the text revision ids."""
2081
rev_id = rev.revision_id
2082
mutter('converting texts of revision {%s}',
2084
parent_invs = map(self._load_updated_inventory, present_parents)
2085
entries = inv.iter_entries()
2087
for path, ie in entries:
2088
self._convert_file_version(rev, ie, parent_invs)
2090
def _convert_file_version(self, rev, ie, parent_invs):
2091
"""Convert one version of one file.
2093
The file needs to be added into the weave if it is a merge
2094
of >=2 parents or if it's changed from its parent.
2096
file_id = ie.file_id
2097
rev_id = rev.revision_id
2098
w = self.text_weaves.get(file_id)
2101
self.text_weaves[file_id] = w
2102
text_changed = False
2103
parent_candiate_entries = ie.parent_candidates(parent_invs)
2104
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2105
# XXX: Note that this is unordered - and this is tolerable because
2106
# the previous code was also unordered.
2107
previous_entries = dict((head, parent_candiate_entries[head]) for head
2109
self.snapshot_ie(previous_entries, ie, w, rev_id)
2112
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2113
def get_parents(self, revision_ids):
2114
for revision_id in revision_ids:
2115
yield self.revisions[revision_id].parent_ids
2117
def get_parent_map(self, revision_ids):
2118
"""See graph._StackedParentsProvider.get_parent_map"""
2119
return dict((revision_id, self.revisions[revision_id])
2120
for revision_id in revision_ids
2121
if revision_id in self.revisions)
2123
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2124
# TODO: convert this logic, which is ~= snapshot to
2125
# a call to:. This needs the path figured out. rather than a work_tree
2126
# a v4 revision_tree can be given, or something that looks enough like
2127
# one to give the file content to the entry if it needs it.
2128
# and we need something that looks like a weave store for snapshot to
2130
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2131
if len(previous_revisions) == 1:
2132
previous_ie = previous_revisions.values()[0]
2133
if ie._unchanged(previous_ie):
2134
ie.revision = previous_ie.revision
2137
text = self.branch.repository.weave_store.get(ie.text_id)
2138
file_lines = text.readlines()
2139
w.add_lines(rev_id, previous_revisions, file_lines)
2140
self.text_count += 1
2142
w.add_lines(rev_id, previous_revisions, [])
2143
ie.revision = rev_id
2145
def _make_order(self):
2146
"""Return a suitable order for importing revisions.
2148
The order must be such that an revision is imported after all
2149
its (present) parents.
2151
todo = set(self.revisions.keys())
2152
done = self.absent_revisions.copy()
2155
# scan through looking for a revision whose parents
2157
for rev_id in sorted(list(todo)):
2158
rev = self.revisions[rev_id]
2159
parent_ids = set(rev.parent_ids)
2160
if parent_ids.issubset(done):
2161
# can take this one now
2162
order.append(rev_id)
2168
class ConvertBzrDir5To6(Converter):
2169
"""Converts format 5 bzr dirs to format 6."""
2171
def convert(self, to_convert, pb):
2172
"""See Converter.convert()."""
2173
self.bzrdir = to_convert
2175
self.pb.note('starting upgrade from format 5 to 6')
2176
self._convert_to_prefixed()
2177
return BzrDir.open(self.bzrdir.root_transport.base)
2179
def _convert_to_prefixed(self):
2180
from bzrlib.store import TransportStore
2181
self.bzrdir.transport.delete('branch-format')
2182
for store_name in ["weaves", "revision-store"]:
2183
self.pb.note("adding prefixes to %s" % store_name)
2184
store_transport = self.bzrdir.transport.clone(store_name)
2185
store = TransportStore(store_transport, prefixed=True)
2186
for urlfilename in store_transport.list_dir('.'):
2187
filename = urlutils.unescape(urlfilename)
2188
if (filename.endswith(".weave") or
2189
filename.endswith(".gz") or
2190
filename.endswith(".sig")):
2191
file_id = os.path.splitext(filename)[0]
2194
prefix_dir = store.hash_prefix(file_id)
2195
# FIXME keep track of the dirs made RBC 20060121
2197
store_transport.move(filename, prefix_dir + '/' + filename)
2198
except errors.NoSuchFile: # catches missing dirs strangely enough
2199
store_transport.mkdir(prefix_dir)
2200
store_transport.move(filename, prefix_dir + '/' + filename)
2201
self.bzrdir._control_files.put_utf8('branch-format', BzrDirFormat6().get_format_string())
2204
class ConvertBzrDir6ToMeta(Converter):
2205
"""Converts format 6 bzr dirs to metadirs."""
2207
def convert(self, to_convert, pb):
2208
"""See Converter.convert()."""
2209
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2210
from bzrlib.branch import BzrBranchFormat5
2211
self.bzrdir = to_convert
2214
self.total = 20 # the steps we know about
2215
self.garbage_inventories = []
2217
self.pb.note('starting upgrade from format 6 to metadir')
2218
self.bzrdir._control_files.put_utf8('branch-format', "Converting to format 6")
2219
# its faster to move specific files around than to open and use the apis...
2220
# first off, nuke ancestry.weave, it was never used.
2222
self.step('Removing ancestry.weave')
2223
self.bzrdir.transport.delete('ancestry.weave')
2224
except errors.NoSuchFile:
2226
# find out whats there
2227
self.step('Finding branch files')
2228
last_revision = self.bzrdir.open_branch().last_revision()
2229
bzrcontents = self.bzrdir.transport.list_dir('.')
2230
for name in bzrcontents:
2231
if name.startswith('basis-inventory.'):
2232
self.garbage_inventories.append(name)
2233
# create new directories for repository, working tree and branch
2234
self.dir_mode = self.bzrdir._control_files._dir_mode
2235
self.file_mode = self.bzrdir._control_files._file_mode
2236
repository_names = [('inventory.weave', True),
2237
('revision-store', True),
2239
self.step('Upgrading repository ')
2240
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2241
self.make_lock('repository')
2242
# we hard code the formats here because we are converting into
2243
# the meta format. The meta format upgrader can take this to a
2244
# future format within each component.
2245
self.put_format('repository', RepositoryFormat7())
2246
for entry in repository_names:
2247
self.move_entry('repository', entry)
2249
self.step('Upgrading branch ')
2250
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2251
self.make_lock('branch')
2252
self.put_format('branch', BzrBranchFormat5())
2253
branch_files = [('revision-history', True),
2254
('branch-name', True),
2256
for entry in branch_files:
2257
self.move_entry('branch', entry)
2259
checkout_files = [('pending-merges', True),
2260
('inventory', True),
2261
('stat-cache', False)]
2262
# If a mandatory checkout file is not present, the branch does not have
2263
# a functional checkout. Do not create a checkout in the converted
2265
for name, mandatory in checkout_files:
2266
if mandatory and name not in bzrcontents:
2267
has_checkout = False
2271
if not has_checkout:
2272
self.pb.note('No working tree.')
2273
# If some checkout files are there, we may as well get rid of them.
2274
for name, mandatory in checkout_files:
2275
if name in bzrcontents:
2276
self.bzrdir.transport.delete(name)
2278
from bzrlib.workingtree import WorkingTreeFormat3
2279
self.step('Upgrading working tree')
2280
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2281
self.make_lock('checkout')
2283
'checkout', WorkingTreeFormat3())
2284
self.bzrdir.transport.delete_multi(
2285
self.garbage_inventories, self.pb)
2286
for entry in checkout_files:
2287
self.move_entry('checkout', entry)
2288
if last_revision is not None:
2289
self.bzrdir._control_files.put_utf8(
2290
'checkout/last-revision', last_revision)
2291
self.bzrdir._control_files.put_utf8(
2292
'branch-format', BzrDirMetaFormat1().get_format_string())
2293
return BzrDir.open(self.bzrdir.root_transport.base)
2295
def make_lock(self, name):
2296
"""Make a lock for the new control dir name."""
2297
self.step('Make %s lock' % name)
2298
ld = lockdir.LockDir(self.bzrdir.transport,
2300
file_modebits=self.file_mode,
2301
dir_modebits=self.dir_mode)
2304
def move_entry(self, new_dir, entry):
2305
"""Move then entry name into new_dir."""
2307
mandatory = entry[1]
2308
self.step('Moving %s' % name)
2310
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2311
except errors.NoSuchFile:
2315
def put_format(self, dirname, format):
2316
self.bzrdir._control_files.put_utf8('%s/format' % dirname, format.get_format_string())
2319
class ConvertMetaToMeta(Converter):
1782
2320
"""Converts the components of metadirs."""
1784
2322
def __init__(self, target_format):
1838
2365
# TODO: conversions of Branch and Tree should be done by
1839
2366
# InterXFormat lookups
1840
if (isinstance(tree, workingtree_3.WorkingTree3) and
1841
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2367
if (isinstance(tree, workingtree.WorkingTree3) and
2368
not isinstance(tree, workingtree_4.WorkingTree4) and
1842
2369
isinstance(self.target_format.workingtree_format,
1843
workingtree_4.DirStateWorkingTreeFormat)):
2370
workingtree_4.WorkingTreeFormat4)):
1844
2371
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)
1856
2372
return to_convert
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)
2375
# This is not in remote.py because it's small, and needs to be registered.
2376
# Putting it in remote.py creates a circular import problem.
2377
# we can make it a lazy object if the control formats is turned into something
2379
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2380
"""Format representing bzrdirs accessed via a smart server"""
2382
def get_format_description(self):
2383
return 'bzr remote bzrdir'
2386
def probe_transport(klass, transport):
2387
"""Return a RemoteBzrDirFormat object if it looks possible."""
2389
medium = transport.get_smart_medium()
2390
except (NotImplementedError, AttributeError,
2391
errors.TransportNotPossible, errors.NoSmartMedium):
2392
# no smart server, so not a branch for this format type.
2393
raise errors.NotBranchError(path=transport.base)
2395
# Decline to open it if the server doesn't support our required
2396
# version (2) so that the VFS-based transport will do it.
2398
server_version = medium.protocol_version()
2399
except errors.SmartProtocolError:
2400
# Apparently there's no usable smart server there, even though
2401
# the medium supports the smart protocol.
2402
raise errors.NotBranchError(path=transport.base)
2403
if server_version != 2:
2404
raise errors.NotBranchError(path=transport.base)
2407
def initialize_on_transport(self, transport):
2409
# hand off the request to the smart server
2410
client_medium = transport.get_smart_medium()
2411
except errors.NoSmartMedium:
2412
# TODO: lookup the local format from a server hint.
2413
local_dir_format = BzrDirMetaFormat1()
2414
return local_dir_format.initialize_on_transport(transport)
2415
client = _SmartClient(client_medium, transport.base)
2416
path = client.remote_path_from_transport(transport)
2417
response = client.call('BzrDirFormat.initialize', path)
2418
if response[0] != 'ok':
2419
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2420
return remote.RemoteBzrDir(transport)
2422
def _open(self, transport):
2423
return remote.RemoteBzrDir(transport)
2425
def __eq__(self, other):
2426
if not isinstance(other, RemoteBzrDirFormat):
2428
return self.get_format_description() == other.get_format_description()
2431
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2434
class BzrDirFormatInfo(object):
2436
def __init__(self, native, deprecated, hidden, experimental):
2437
self.deprecated = deprecated
2438
self.native = native
2439
self.hidden = hidden
2440
self.experimental = experimental
2443
class BzrDirFormatRegistry(registry.Registry):
2444
"""Registry of user-selectable BzrDir subformats.
2446
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2447
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2451
"""Create a BzrDirFormatRegistry."""
2452
self._aliases = set()
2453
super(BzrDirFormatRegistry, self).__init__()
2456
"""Return a set of the format names which are aliases."""
2457
return frozenset(self._aliases)
2459
def register_metadir(self, key,
2460
repository_format, help, native=True, deprecated=False,
2466
"""Register a metadir subformat.
2468
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2469
by the Repository format.
2471
:param repository_format: The fully-qualified repository format class
2473
:param branch_format: Fully-qualified branch format class name as
2475
:param tree_format: Fully-qualified tree format class name as
2478
# This should be expanded to support setting WorkingTree and Branch
2479
# formats, once BzrDirMetaFormat1 supports that.
2480
def _load(full_name):
2481
mod_name, factory_name = full_name.rsplit('.', 1)
2483
mod = __import__(mod_name, globals(), locals(),
2485
except ImportError, e:
2486
raise ImportError('failed to load %s: %s' % (full_name, e))
2488
factory = getattr(mod, factory_name)
2489
except AttributeError:
2490
raise AttributeError('no factory %s in module %r'
2495
bd = BzrDirMetaFormat1()
2496
if branch_format is not None:
2497
bd.set_branch_format(_load(branch_format))
2498
if tree_format is not None:
2499
bd.workingtree_format = _load(tree_format)
2500
if repository_format is not None:
2501
bd.repository_format = _load(repository_format)
2503
self.register(key, helper, help, native, deprecated, hidden,
2504
experimental, alias)
2506
def register(self, key, factory, help, native=True, deprecated=False,
2507
hidden=False, experimental=False, alias=False):
2508
"""Register a BzrDirFormat factory.
2510
The factory must be a callable that takes one parameter: the key.
2511
It must produce an instance of the BzrDirFormat when called.
2513
This function mainly exists to prevent the info object from being
2516
registry.Registry.register(self, key, factory, help,
2517
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2519
self._aliases.add(key)
2521
def register_lazy(self, key, module_name, member_name, help, native=True,
2522
deprecated=False, hidden=False, experimental=False, alias=False):
2523
registry.Registry.register_lazy(self, key, module_name, member_name,
2524
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2526
self._aliases.add(key)
2528
def set_default(self, key):
2529
"""Set the 'default' key to be a clone of the supplied key.
2531
This method must be called once and only once.
2533
registry.Registry.register(self, 'default', self.get(key),
2534
self.get_help(key), info=self.get_info(key))
2535
self._aliases.add('default')
2537
def set_default_repository(self, key):
2538
"""Set the FormatRegistry default and Repository default.
2540
This is a transitional method while Repository.set_default_format
2543
if 'default' in self:
2544
self.remove('default')
2545
self.set_default(key)
2546
format = self.get('default')()
2548
def make_bzrdir(self, key):
2549
return self.get(key)()
2551
def help_topic(self, topic):
2552
output = textwrap.dedent("""\
2553
These formats can be used for creating branches, working trees, and
2557
default_realkey = None
2558
default_help = self.get_help('default')
2560
for key in self.keys():
2561
if key == 'default':
2563
help = self.get_help(key)
2564
if help == default_help:
2565
default_realkey = key
2567
help_pairs.append((key, help))
2569
def wrapped(key, help, info):
2571
help = '(native) ' + help
2572
return ':%s:\n%s\n\n' % (key,
2573
textwrap.fill(help, initial_indent=' ',
2574
subsequent_indent=' '))
2575
if default_realkey is not None:
2576
output += wrapped(default_realkey, '(default) %s' % default_help,
2577
self.get_info('default'))
2578
deprecated_pairs = []
2579
experimental_pairs = []
2580
for key, help in help_pairs:
2581
info = self.get_info(key)
2584
elif info.deprecated:
2585
deprecated_pairs.append((key, help))
2586
elif info.experimental:
2587
experimental_pairs.append((key, help))
2589
output += wrapped(key, help, info)
2590
if len(experimental_pairs) > 0:
2591
output += "Experimental formats are shown below.\n\n"
2592
for key, help in experimental_pairs:
2593
info = self.get_info(key)
2594
output += wrapped(key, help, info)
2595
if len(deprecated_pairs) > 0:
2596
output += "Deprecated formats are shown below.\n\n"
2597
for key, help in deprecated_pairs:
2598
info = self.get_info(key)
2599
output += wrapped(key, help, info)
1897
2604
class RepositoryAcquisitionPolicy(object):
1901
2608
for a branch that is being created. The most basic policy decision is
1902
2609
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
2612
def configure_branch(self, branch):
1917
2613
"""Apply any configuration data from this policy to the branch.
1919
Default implementation sets repository stacking.
2615
Default implementation does nothing.
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):
2619
def acquire_repository(self, make_working_trees=None, shared=False):
1978
2620
"""Acquire a repository for this bzrdir.
1980
2622
Implementations may create a new repository or use a pre-exising
1983
2624
:param make_working_trees: If creating a repository, set
1984
2625
make_working_trees to this value (if non-None)
1985
2626
:param shared: If creating a repository, make it shared if True
1986
:return: A repository, is_new_flag (True if the repository was
2627
:return: A repository
1989
raise NotImplementedError(RepositoryAcquisitionPolicy.acquire_repository)
2629
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
1992
2632
class CreateRepository(RepositoryAcquisitionPolicy):
1993
2633
"""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,
2635
def __init__(self, bzrdir):
2636
RepositoryAcquisitionPolicy.__init__(self)
2006
2637
self._bzrdir = bzrdir
2008
def acquire_repository(self, make_working_trees=None, shared=False,
2009
possible_transports=None):
2639
def acquire_repository(self, make_working_trees=None, shared=False):
2010
2640
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2012
2642
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
2644
repository = self._bzrdir.create_repository(shared=shared)
2029
self._add_fallback(repository,
2030
possible_transports=possible_transports)
2031
2645
if make_working_trees is not None:
2032
2646
repository.set_make_working_trees(make_working_trees)
2033
return repository, True
2036
2650
class UseExistingRepository(RepositoryAcquisitionPolicy):
2037
2651
"""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,
2653
def __init__(self, repository):
2654
RepositoryAcquisitionPolicy.__init__(self)
2050
2655
self._repository = repository
2052
def acquire_repository(self, make_working_trees=None, shared=False,
2053
possible_transports=None):
2657
def acquire_repository(self, make_working_trees=None, shared=False):
2054
2658
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2056
Returns an existing repository to use.
2660
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',
2662
return self._repository
2665
format_registry = BzrDirFormatRegistry()
2666
format_registry.register('weave', BzrDirFormat6,
2667
'Pre-0.8 format. Slower than knit and does not'
2668
' support checkouts or shared repositories.',
2670
format_registry.register_metadir('knit',
2115
2671
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2116
2672
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
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.',
2673
branch_format='bzrlib.branch.BzrBranchFormat5',
2674
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2675
format_registry.register_metadir('metaweave',
2676
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2677
'Transitional format in 0.8. Slower than knit.',
2678
branch_format='bzrlib.branch.BzrBranchFormat5',
2679
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2681
format_registry.register_metadir('dirstate',
2682
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2683
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2684
'above when accessed over the network.',
2685
branch_format='bzrlib.branch.BzrBranchFormat5',
2686
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2687
# directly from workingtree_4 triggers a circular import.
2688
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2690
format_registry.register_metadir('dirstate-tags',
2691
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2692
help='New in 0.15: Fast local operations and improved scaling for '
2693
'network operations. Additionally adds support for tags.'
2694
' Incompatible with bzr < 0.15.',
2134
2695
branch_format='bzrlib.branch.BzrBranchFormat6',
2135
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2138
register_metadir(controldir.format_registry, 'rich-root',
2696
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2698
format_registry.register_metadir('rich-root',
2139
2699
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2140
help='Variant of dirstate with better handling of tree roots. '
2141
'Introduced in bzr 1.0',
2700
help='New in 1.0. Better handling of tree roots. Incompatible with'
2142
2702
branch_format='bzrlib.branch.BzrBranchFormat6',
2143
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2146
register_metadir(controldir.format_registry, 'dirstate-with-subtree',
2703
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2705
format_registry.register_metadir('dirstate-with-subtree',
2147
2706
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
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',
2707
help='New in 0.15: Fast local operations and improved scaling for '
2708
'network operations. Additionally adds support for versioning nested '
2709
'bzr branches. Incompatible with bzr < 0.15.',
2710
branch_format='bzrlib.branch.BzrBranchFormat6',
2711
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2715
format_registry.register_metadir('pack-0.92',
2716
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
2717
help='New in 0.92: Pack-based format with data compatible with '
2718
'dirstate-tags format repositories. Interoperates with '
2719
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2720
'Previously called knitpack-experimental. '
2721
'For more information, see '
2722
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
2723
branch_format='bzrlib.branch.BzrBranchFormat6',
2724
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2726
format_registry.register_metadir('pack-0.92-subtree',
2727
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
2728
help='New in 0.92: Pack-based format with data compatible with '
2729
'dirstate-with-subtree format repositories. Interoperates with '
2730
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2731
'Previously called knitpack-experimental. '
2732
'For more information, see '
2733
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
2734
branch_format='bzrlib.branch.BzrBranchFormat6',
2735
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2739
format_registry.register_metadir('rich-root-pack',
2740
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
2741
help='New in 1.0: Pack-based format with data compatible with '
2742
'rich-root format repositories. Incompatible with'
2744
branch_format='bzrlib.branch.BzrBranchFormat6',
2745
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2747
# The following two formats should always just be aliases.
2748
format_registry.register_metadir('development',
2749
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
2750
help='Current development format. Can convert data to and from pack-0.92 '
2751
'(and anything compatible with pack-0.92) format repositories. '
2752
'Repositories in this format can only be read by bzr.dev. '
2754
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2756
branch_format='bzrlib.branch.BzrBranchFormat6',
2757
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2761
format_registry.register_metadir('development-subtree',
2762
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
2244
2763
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',
2764
'from pack-0.92 (and anything compatible with pack-0.92) format '
2765
'repositories. Repositories in this format can only be read by '
2766
'bzr.dev. Please read '
2767
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2769
branch_format='bzrlib.branch.BzrBranchFormat6',
2770
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
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
2774
# And the development formats which the will have aliased one of follow:
2775
format_registry.register_metadir('development0',
2776
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
2777
help='Trivial rename of pack-0.92 to provide a development format. '
2779
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2781
branch_format='bzrlib.branch.BzrBranchFormat6',
2782
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2786
format_registry.register_metadir('development0-subtree',
2787
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
2788
help='Trivial rename of pack-0.92-subtree to provide a development format. '
2790
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2792
branch_format='bzrlib.branch.BzrBranchFormat6',
2793
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2797
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
