205
207
raise errors.NoColocatedBranchSupport(self)
208
def get_branch_transport(self, branch_format, name=None):
209
"""Get the transport for use by branch format in this ControlDir.
211
Note that bzr dirs that do not support format strings will raise
212
IncompatibleFormat if the branch format they are given has
213
a format string, and vice versa.
215
If branch_format is None, the transport is returned with no
216
checking. If it is not None, then the returned transport is
217
guaranteed to point to an existing directory ready for use.
219
raise NotImplementedError(self.get_branch_transport)
221
def get_repository_transport(self, repository_format):
222
"""Get the transport for use by repository format in this ControlDir.
224
Note that bzr dirs that do not support format strings will raise
225
IncompatibleFormat if the repository format they are given has
226
a format string, and vice versa.
228
If repository_format is None, the transport is returned with no
229
checking. If it is not None, then the returned transport is
230
guaranteed to point to an existing directory ready for use.
232
raise NotImplementedError(self.get_repository_transport)
234
def get_workingtree_transport(self, tree_format):
235
"""Get the transport for use by workingtree format in this ControlDir.
237
Note that bzr dirs that do not support format strings will raise
238
IncompatibleFormat if the workingtree format they are given has a
239
format string, and vice versa.
241
If workingtree_format is None, the transport is returned with no
242
checking. If it is not None, then the returned transport is
243
guaranteed to point to an existing directory ready for use.
245
raise NotImplementedError(self.get_workingtree_transport)
247
210
def open_branch(self, name=None, unsupported=False,
248
211
ignore_fallbacks=False):
249
212
"""Open the branch object at this ControlDir if one is present.
364
328
:param create_tree_if_local: If true, a working-tree will be created
365
329
when working locally.
367
target_transport = get_transport(url, possible_transports)
368
target_transport.ensure_base()
369
cloning_format = self.cloning_metadir(stacked)
370
# Create/update the result branch
371
result = cloning_format.initialize_on_transport(target_transport)
372
# if a stacked branch wasn't requested, we don't create one
373
# even if the origin was stacked
374
stacked_branch_url = None
375
if source_branch is not None:
377
stacked_branch_url = self.root_transport.base
378
source_repository = source_branch.repository
381
source_branch = self.open_branch()
382
source_repository = source_branch.repository
384
stacked_branch_url = self.root_transport.base
385
except errors.NotBranchError:
388
source_repository = self.open_repository()
389
except errors.NoRepositoryPresent:
390
source_repository = None
391
repository_policy = result.determine_repository_policy(
392
force_new_repo, stacked_branch_url, require_stacking=stacked)
393
result_repo, is_new_repo = repository_policy.acquire_repository()
394
is_stacked = stacked or (len(result_repo._fallback_repositories) != 0)
395
if is_new_repo and revision_id is not None and not is_stacked:
396
fetch_spec = graph.PendingAncestryResult(
397
[revision_id], source_repository)
400
if source_repository is not None:
401
# Fetch while stacked to prevent unstacked fetch from
403
if fetch_spec is None:
404
result_repo.fetch(source_repository, revision_id=revision_id)
406
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
408
if source_branch is None:
409
# this is for sprouting a controldir without a branch; is that
411
# Not especially, but it's part of the contract.
412
result_branch = result.create_branch()
414
result_branch = source_branch.sprout(result,
415
revision_id=revision_id, repository_policy=repository_policy)
416
mutter("created new branch %r" % (result_branch,))
418
# Create/update the result working tree
419
if (create_tree_if_local and
420
isinstance(target_transport, local.LocalTransport) and
421
(result_repo is None or result_repo.make_working_trees())):
422
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
426
if wt.path2id('') is None:
428
wt.set_root_id(self.open_workingtree.get_root_id())
429
except errors.NoWorkingTree:
435
if recurse == 'down':
437
basis = wt.basis_tree()
439
subtrees = basis.iter_references()
440
elif result_branch is not None:
441
basis = result_branch.basis_tree()
443
subtrees = basis.iter_references()
444
elif source_branch is not None:
445
basis = source_branch.basis_tree()
447
subtrees = basis.iter_references()
452
for path, file_id in subtrees:
453
target = urlutils.join(url, urlutils.escape(path))
454
sublocation = source_branch.reference_parent(file_id, path)
455
sublocation.bzrdir.sprout(target,
456
basis.get_reference_revision(file_id, path),
457
force_new_repo=force_new_repo, recurse=recurse,
460
if basis is not None:
331
raise NotImplementedError(self.sprout)
464
333
def push_branch(self, source, revision_id=None, overwrite=False,
465
334
remember=False, create_prefix=False):
542
415
branch = tree.branch
543
416
return tree, branch
418
def get_config(self):
419
"""Get configuration for this ControlDir."""
420
raise NotImplementedError(self.get_config)
422
def check_conversion_target(self, target_format):
423
"""Check that a bzrdir as a whole can be converted to a new format."""
424
raise NotImplementedError(self.check_conversion_target)
426
def clone(self, url, revision_id=None, force_new_repo=False,
427
preserve_stacking=False):
428
"""Clone this bzrdir and its contents to url verbatim.
430
:param url: The url create the clone at. If url's last component does
431
not exist, it will be created.
432
:param revision_id: The tip revision-id to use for any branch or
433
working tree. If not None, then the clone operation may tune
434
itself to download less data.
435
:param force_new_repo: Do not use a shared repository for the target
436
even if one is available.
437
:param preserve_stacking: When cloning a stacked branch, stack the
438
new branch on top of the other branch's stacked-on branch.
440
return self.clone_on_transport(_mod_transport.get_transport(url),
441
revision_id=revision_id,
442
force_new_repo=force_new_repo,
443
preserve_stacking=preserve_stacking)
445
def clone_on_transport(self, transport, revision_id=None,
446
force_new_repo=False, preserve_stacking=False, stacked_on=None,
447
create_prefix=False, use_existing_dir=True, no_tree=False):
448
"""Clone this bzrdir and its contents to transport verbatim.
450
:param transport: The transport for the location to produce the clone
451
at. If the target directory does not exist, it will be created.
452
:param revision_id: The tip revision-id to use for any branch or
453
working tree. If not None, then the clone operation may tune
454
itself to download less data.
455
:param force_new_repo: Do not use a shared repository for the target,
456
even if one is available.
457
:param preserve_stacking: When cloning a stacked branch, stack the
458
new branch on top of the other branch's stacked-on branch.
459
:param create_prefix: Create any missing directories leading up to
461
:param use_existing_dir: Use an existing directory if one exists.
462
:param no_tree: If set to true prevents creation of a working tree.
464
raise NotImplementedError(self.clone_on_transport)
467
class ControlComponentFormat(object):
468
"""A component that can live inside of a .bzr meta directory."""
470
upgrade_recommended = False
472
def get_format_string(self):
473
"""Return the format of this format, if usable in meta directories."""
474
raise NotImplementedError(self.get_format_string)
476
def get_format_description(self):
477
"""Return the short description for this format."""
478
raise NotImplementedError(self.get_format_description)
480
def is_supported(self):
481
"""Is this format supported?
483
Supported formats must be initializable and openable.
484
Unsupported formats may not support initialization or committing or
485
some other features depending on the reason for not being supported.
489
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
491
"""Give an error or warning on old formats.
493
:param allow_unsupported: If true, allow opening
494
formats that are strongly deprecated, and which may
495
have limited functionality.
497
:param recommend_upgrade: If true (default), warn
498
the user through the ui object that they may wish
499
to upgrade the object.
501
if not allow_unsupported and not self.is_supported():
502
# see open_downlevel to open legacy branches.
503
raise errors.UnsupportedFormatError(format=self)
504
if recommend_upgrade and self.upgrade_recommended:
505
ui.ui_factory.recommend_upgrade(
506
self.get_format_description(), basedir)
509
class ControlComponentFormatRegistry(registry.FormatRegistry):
510
"""A registry for control components (branch, workingtree, repository)."""
512
def __init__(self, other_registry=None):
513
super(ControlComponentFormatRegistry, self).__init__(other_registry)
514
self._extra_formats = []
516
def register(self, format):
517
"""Register a new format."""
518
super(ControlComponentFormatRegistry, self).register(
519
format.get_format_string(), format)
521
def remove(self, format):
522
"""Remove a registered format."""
523
super(ControlComponentFormatRegistry, self).remove(
524
format.get_format_string())
526
def register_extra(self, format):
527
"""Register a format that can not be used in a metadir.
529
This is mainly useful to allow custom repository formats, such as older
530
Bazaar formats and foreign formats, to be tested.
532
self._extra_formats.append(registry._ObjectGetter(format))
534
def remove_extra(self, format):
535
"""Remove an extra format.
537
self._extra_formats.remove(registry._ObjectGetter(format))
539
def register_extra_lazy(self, module_name, member_name):
540
"""Register a format lazily.
542
self._extra_formats.append(
543
registry._LazyObjectGetter(module_name, member_name))
545
def _get_extra(self):
546
"""Return all "extra" formats, not usable in meta directories."""
548
for getter in self._extra_formats:
556
"""Return all formats, even those not usable in metadirs.
559
for name in self.keys():
564
return result + self._get_extra()
566
def _get_all_modules(self):
567
"""Return a set of the modules providing objects."""
569
for name in self.keys():
570
modules.add(self._get_module(name))
571
for getter in self._extra_formats:
572
modules.add(getter.get_module())
576
class Converter(object):
577
"""Converts a disk format object from one format to another."""
579
def convert(self, to_convert, pb):
580
"""Perform the conversion of to_convert, giving feedback via pb.
582
:param to_convert: The disk object to convert.
583
:param pb: a progress bar to use for progress information.
586
def step(self, message):
587
"""Update the pb by a step."""
589
self.pb.update(message, self.count, self.total)
548
592
class ControlDirFormat(object):
added
removed
bzrlib/controldir.py
