112
107
thing_to_unlock.break_lock()
109
def can_convert_format(self):
110
"""Return true if this bzrdir is one whose format we can convert from."""
114
113
def check_conversion_target(self, target_format):
115
"""Check that a bzrdir as a whole can be converted to a new format."""
116
# The only current restriction is that the repository content can be
117
# fetched compatibly with the target.
118
114
target_repo_format = target_format.repository_format
120
self.open_repository()._format.check_conversion_target(
122
except errors.NoRepositoryPresent:
123
# No repo, no problem.
126
def clone_on_transport(self, transport, revision_id=None,
127
force_new_repo=False, preserve_stacking=False, stacked_on=None,
128
create_prefix=False, use_existing_dir=True, no_tree=False):
129
"""Clone this bzrdir and its contents to transport verbatim.
131
:param transport: The transport for the location to produce the clone
132
at. If the target directory does not exist, it will be created.
133
:param revision_id: The tip revision-id to use for any branch or
134
working tree. If not None, then the clone operation may tune
115
source_repo_format = self._format.repository_format
116
source_repo_format.check_conversion_target(target_repo_format)
119
def _check_supported(format, allow_unsupported,
120
recommend_upgrade=True,
122
"""Give an error or warning on old formats.
124
:param format: may be any kind of format - workingtree, branch,
127
:param allow_unsupported: If true, allow opening
128
formats that are strongly deprecated, and which may
129
have limited functionality.
131
:param recommend_upgrade: If true (default), warn
132
the user through the ui object that they may wish
133
to upgrade the object.
135
# TODO: perhaps move this into a base Format class; it's not BzrDir
136
# specific. mbp 20070323
137
if not allow_unsupported and not format.is_supported():
138
# see open_downlevel to open legacy branches.
139
raise errors.UnsupportedFormatError(format=format)
140
if recommend_upgrade \
141
and getattr(format, 'upgrade_recommended', False):
142
ui.ui_factory.recommend_upgrade(
143
format.get_format_description(),
146
def clone(self, url, revision_id=None, force_new_repo=False):
147
"""Clone this bzrdir and its contents to url verbatim.
149
If urls last component does not exist, it will be created.
151
if revision_id is not None, then the clone operation may tune
135
152
itself to download less data.
136
:param force_new_repo: Do not use a shared repository for the target,
153
:param force_new_repo: Do not use a shared repository for the target
137
154
even if one is available.
138
:param preserve_stacking: When cloning a stacked branch, stack the
139
new branch on top of the other branch's stacked-on branch.
140
:param create_prefix: Create any missing directories leading up to
142
:param use_existing_dir: Use an existing directory if one exists.
143
:param no_tree: If set to true prevents creation of a working tree.
145
# Overview: put together a broad description of what we want to end up
146
# with; then make as few api calls as possible to do it.
148
# We may want to create a repo/branch/tree, if we do so what format
149
# would we want for each:
150
require_stacking = (stacked_on is not None)
151
format = self.cloning_metadir(require_stacking)
153
# Figure out what objects we want:
157
result = self._format.initialize(url)
155
159
local_repo = self.find_repository()
156
160
except errors.NoRepositoryPresent:
157
161
local_repo = None
159
local_branch = self.open_branch()
160
except errors.NotBranchError:
163
# enable fallbacks when branch is not a branch reference
164
if local_branch.repository.has_same_location(local_repo):
165
local_repo = local_branch.repository
166
if preserve_stacking:
168
stacked_on = local_branch.get_stacked_on_url()
169
except (errors.UnstackableBranchFormat,
170
errors.UnstackableRepositoryFormat,
173
# Bug: We create a metadir without knowing if it can support stacking,
174
# we should look up the policy needs first, or just use it as a hint,
177
make_working_trees = local_repo.make_working_trees() and not no_tree
178
want_shared = local_repo.is_shared()
179
repo_format_name = format.repository_format.network_name()
181
make_working_trees = False
183
repo_format_name = None
185
result_repo, result, require_stacking, repository_policy = \
186
format.initialize_on_transport_ex(transport,
187
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
188
force_new_repo=force_new_repo, stacked_on=stacked_on,
189
stack_on_pwd=self.root_transport.base,
190
repo_format_name=repo_format_name,
191
make_working_trees=make_working_trees, shared_repo=want_shared)
194
# If the result repository is in the same place as the
195
# resulting bzr dir, it will have no content, further if the
196
# result is not stacked then we know all content should be
197
# copied, and finally if we are copying up to a specific
198
# revision_id then we can use the pending-ancestry-result which
199
# does not require traversing all of history to describe it.
200
if (result_repo.user_url == result.user_url
201
and not require_stacking and
202
revision_id is not None):
203
fetch_spec = graph.PendingAncestryResult(
204
[revision_id], local_repo)
205
result_repo.fetch(local_repo, fetch_spec=fetch_spec)
163
# may need to copy content in
165
result_repo = local_repo.clone(
167
revision_id=revision_id)
168
result_repo.set_make_working_trees(local_repo.make_working_trees())
171
result_repo = result.find_repository()
172
# fetch content this dir needs.
207
173
result_repo.fetch(local_repo, revision_id=revision_id)
211
if result_repo is not None:
212
raise AssertionError('result_repo not None(%r)' % result_repo)
174
except errors.NoRepositoryPresent:
175
# needed to make one anyway.
176
result_repo = local_repo.clone(
178
revision_id=revision_id)
179
result_repo.set_make_working_trees(local_repo.make_working_trees())
213
180
# 1 if there is a branch present
214
181
# make sure its content is available in the target repository
216
if local_branch is not None:
217
result_branch = local_branch.clone(result, revision_id=revision_id,
218
repository_policy=repository_policy)
220
# Cheaper to check if the target is not local, than to try making
222
result.root_transport.local_abspath('.')
223
if result_repo is None or result_repo.make_working_trees():
224
self.open_workingtree().clone(result)
184
self.open_branch().clone(result, revision_id=revision_id)
185
except errors.NotBranchError:
188
self.open_workingtree().clone(result)
225
189
except (errors.NoWorkingTree, errors.NotLocalUrl):
316
248
:param base: The URL to create the branch at.
317
249
:param force_new_repo: If True a new repository is always created.
318
:param format: If supplied, the format of branch to create. If not
319
supplied, the default is used.
321
251
bzrdir = BzrDir.create(base, format)
322
252
bzrdir._find_or_create_repository(force_new_repo)
323
253
return bzrdir.create_branch()
325
def determine_repository_policy(self, force_new_repo=False, stack_on=None,
326
stack_on_pwd=None, require_stacking=False):
327
"""Return an object representing a policy to use.
329
This controls whether a new repository is created, and the format of
330
that repository, or some existing shared repository used instead.
332
If stack_on is supplied, will not seek a containing shared repo.
334
:param force_new_repo: If True, require a new repository to be created.
335
:param stack_on: If supplied, the location to stack on. If not
336
supplied, a default_stack_on location may be used.
337
:param stack_on_pwd: If stack_on is relative, the location it is
340
def repository_policy(found_bzrdir):
343
config = found_bzrdir.get_config()
345
stack_on = config.get_default_stack_on()
346
if stack_on is not None:
347
stack_on_pwd = found_bzrdir.user_url
349
# does it have a repository ?
351
repository = found_bzrdir.open_repository()
352
except errors.NoRepositoryPresent:
355
if (found_bzrdir.user_url != self.user_url
356
and not repository.is_shared()):
357
# Don't look higher, can't use a higher shared repo.
365
return UseExistingRepository(repository, stack_on,
366
stack_on_pwd, require_stacking=require_stacking), True
368
return CreateRepository(self, stack_on, stack_on_pwd,
369
require_stacking=require_stacking), True
371
if not force_new_repo:
373
policy = self._find_containing(repository_policy)
374
if policy is not None:
378
return UseExistingRepository(self.open_repository(),
379
stack_on, stack_on_pwd,
380
require_stacking=require_stacking)
381
except errors.NoRepositoryPresent:
383
return CreateRepository(self, stack_on, stack_on_pwd,
384
require_stacking=require_stacking)
386
255
def _find_or_create_repository(self, force_new_repo):
387
256
"""Create a new repository if needed, returning the repository."""
388
policy = self.determine_repository_policy(force_new_repo)
389
return policy.acquire_repository()[0]
391
def _find_source_repo(self, add_cleanup, source_branch):
392
"""Find the source branch and repo for a sprout operation.
258
return self.create_repository()
260
return self.find_repository()
261
except errors.NoRepositoryPresent:
262
return self.create_repository()
394
This is helper intended for use by _sprout.
396
:returns: (source_branch, source_repository). Either or both may be
397
None. If not None, they will be read-locked (and their unlock(s)
398
scheduled via the add_cleanup param).
400
if source_branch is not None:
401
add_cleanup(source_branch.lock_read().unlock)
402
return source_branch, source_branch.repository
404
source_branch = self.open_branch()
405
source_repository = source_branch.repository
406
except errors.NotBranchError:
409
source_repository = self.open_repository()
410
except errors.NoRepositoryPresent:
411
source_repository = None
413
add_cleanup(source_repository.lock_read().unlock)
415
add_cleanup(source_branch.lock_read().unlock)
416
return source_branch, source_repository
418
def sprout(self, url, revision_id=None, force_new_repo=False,
419
recurse='down', possible_transports=None,
420
accelerator_tree=None, hardlink=False, stacked=False,
421
source_branch=None, create_tree_if_local=True):
422
"""Create a copy of this controldir prepared for use as a new line of
425
If url's last component does not exist, it will be created.
427
Attributes related to the identity of the source branch like
428
branch nickname will be cleaned, a working tree is created
429
whether one existed before or not; and a local branch is always
432
if revision_id is not None, then the clone operation may tune
433
itself to download less data.
434
:param accelerator_tree: A tree which can be used for retrieving file
435
contents more quickly than the revision tree, i.e. a workingtree.
436
The revision tree will be used for cases where accelerator_tree's
437
content is different.
438
:param hardlink: If true, hard-link files from accelerator_tree,
440
:param stacked: If true, create a stacked branch referring to the
441
location of this control directory.
442
:param create_tree_if_local: If true, a working-tree will be created
443
when working locally.
445
operation = cleanup.OperationWithCleanups(self._sprout)
446
return operation.run(url, revision_id=revision_id,
447
force_new_repo=force_new_repo, recurse=recurse,
448
possible_transports=possible_transports,
449
accelerator_tree=accelerator_tree, hardlink=hardlink,
450
stacked=stacked, source_branch=source_branch,
451
create_tree_if_local=create_tree_if_local)
453
def _sprout(self, op, url, revision_id=None, force_new_repo=False,
454
recurse='down', possible_transports=None,
455
accelerator_tree=None, hardlink=False, stacked=False,
456
source_branch=None, create_tree_if_local=True):
457
add_cleanup = op.add_cleanup
458
fetch_spec_factory = fetch.FetchSpecFactory()
459
if revision_id is not None:
460
fetch_spec_factory.add_revision_ids([revision_id])
461
fetch_spec_factory.source_branch_stop_revision_id = revision_id
462
target_transport = _mod_transport.get_transport(url,
464
target_transport.ensure_base()
465
cloning_format = self.cloning_metadir(stacked)
466
# Create/update the result branch
467
result = cloning_format.initialize_on_transport(target_transport)
468
source_branch, source_repository = self._find_source_repo(
469
add_cleanup, source_branch)
470
fetch_spec_factory.source_branch = source_branch
471
# if a stacked branch wasn't requested, we don't create one
472
# even if the origin was stacked
473
if stacked and source_branch is not None:
474
stacked_branch_url = self.root_transport.base
476
stacked_branch_url = None
477
repository_policy = result.determine_repository_policy(
478
force_new_repo, stacked_branch_url, require_stacking=stacked)
479
result_repo, is_new_repo = repository_policy.acquire_repository()
480
add_cleanup(result_repo.lock_write().unlock)
481
fetch_spec_factory.source_repo = source_repository
482
fetch_spec_factory.target_repo = result_repo
483
if stacked or (len(result_repo._fallback_repositories) != 0):
484
target_repo_kind = fetch.TargetRepoKinds.STACKED
486
target_repo_kind = fetch.TargetRepoKinds.EMPTY
488
target_repo_kind = fetch.TargetRepoKinds.PREEXISTING
489
fetch_spec_factory.target_repo_kind = target_repo_kind
490
if source_repository is not None:
491
fetch_spec = fetch_spec_factory.make_fetch_spec()
492
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
494
if source_branch is None:
495
# this is for sprouting a controldir without a branch; is that
497
# Not especially, but it's part of the contract.
498
result_branch = result.create_branch()
500
result_branch = source_branch.sprout(result,
501
revision_id=revision_id, repository_policy=repository_policy,
502
repository=result_repo)
503
mutter("created new branch %r" % (result_branch,))
505
# Create/update the result working tree
506
if (create_tree_if_local and
507
isinstance(target_transport, local.LocalTransport) and
508
(result_repo is None or result_repo.make_working_trees())):
509
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
510
hardlink=hardlink, from_branch=result_branch)
513
if wt.path2id('') is None:
515
wt.set_root_id(self.open_workingtree.get_root_id())
516
except errors.NoWorkingTree:
522
if recurse == 'down':
525
basis = wt.basis_tree()
526
elif result_branch is not None:
527
basis = result_branch.basis_tree()
528
elif source_branch is not None:
529
basis = source_branch.basis_tree()
530
if basis is not None:
531
add_cleanup(basis.lock_read().unlock)
532
subtrees = basis.iter_references()
535
for path, file_id in subtrees:
536
target = urlutils.join(url, urlutils.escape(path))
537
sublocation = source_branch.reference_parent(file_id, path)
538
sublocation.bzrdir.sprout(target,
539
basis.get_reference_revision(file_id, path),
540
force_new_repo=force_new_repo, recurse=recurse,
547
265
def create_branch_convenience(base, force_new_repo=False,
548
force_new_tree=None, format=None,
549
possible_transports=None):
266
force_new_tree=None, format=None):
550
267
"""Create a new BzrDir, Branch and Repository at the url 'base'.
552
269
This is a convenience function - it will use an existing repository
553
270
if possible, can be told explicitly whether to create a working tree or
556
This will use the current default BzrDirFormat unless one is
557
specified, and use whatever
273
This will use the current default BzrDirFormat, and use whatever
558
274
repository format that that uses via bzrdir.create_branch and
559
275
create_repository. If a shared repository is available that is used
560
276
preferentially. Whatever repository is used, its tree creation policy
648
358
This will have horrible consequences if anyone has anything locked or
650
:param limit: number of times to retry
361
for i in xrange(10000):
655
363
to_path = '.bzr.retired.%d' % i
656
364
self.root_transport.rename('.bzr', to_path)
657
365
note("renamed %s to %s"
658
366
% (self.root_transport.abspath('.bzr'), to_path))
660
368
except (errors.TransportError, IOError, errors.PathError):
667
def _find_containing(self, evaluate):
668
"""Find something in a containing control directory.
670
This method will scan containing control dirs, until it finds what
671
it is looking for, decides that it will never find it, or runs out
672
of containing control directories to check.
674
It is used to implement find_repository and
675
determine_repository_policy.
677
:param evaluate: A function returning (value, stop). If stop is True,
678
the value will be returned.
371
def destroy_workingtree(self):
372
"""Destroy the working tree at this BzrDir.
374
Formats that do not support this may raise UnsupportedOperation.
376
raise NotImplementedError(self.destroy_workingtree)
378
def destroy_workingtree_metadata(self):
379
"""Destroy the control files for the working tree at this BzrDir.
381
The contents of working tree files are not affected.
382
Formats that do not support this may raise UnsupportedOperation.
384
raise NotImplementedError(self.destroy_workingtree_metadata)
386
def find_repository(self):
387
"""Find the repository that should be used for a_bzrdir.
389
This does not require a branch as we use it to find the repo for
390
new branches as well as to hook existing branches up to their
394
return self.open_repository()
395
except errors.NoRepositoryPresent:
397
next_transport = self.root_transport.clone('..')
682
result, stop = evaluate(found_bzrdir)
685
next_transport = found_bzrdir.root_transport.clone('..')
686
if (found_bzrdir.user_url == next_transport.base):
687
# top of the file system
689
399
# find the next containing bzrdir
691
401
found_bzrdir = BzrDir.open_containing_from_transport(
692
402
next_transport)[0]
693
403
except errors.NotBranchError:
696
def find_repository(self):
697
"""Find the repository that should be used.
699
This does not require a branch as we use it to find the repo for
700
new branches as well as to hook existing branches up to their
703
def usable_repository(found_bzrdir):
405
raise errors.NoRepositoryPresent(self)
704
406
# does it have a repository ?
706
408
repository = found_bzrdir.open_repository()
707
409
except errors.NoRepositoryPresent:
709
if found_bzrdir.user_url == self.user_url:
710
return repository, True
711
elif repository.is_shared():
712
return repository, True
716
found_repo = self._find_containing(usable_repository)
717
if found_repo is None:
718
raise errors.NoRepositoryPresent(self)
721
def _find_creation_modes(self):
722
"""Determine the appropriate modes for files and directories.
724
They're always set to be consistent with the base directory,
725
assuming that this transport allows setting modes.
727
# TODO: Do we need or want an option (maybe a config setting) to turn
728
# this off or override it for particular locations? -- mbp 20080512
729
if self._mode_check_done:
731
self._mode_check_done = True
733
st = self.transport.stat('.')
734
except errors.TransportNotPossible:
735
self._dir_mode = None
736
self._file_mode = None
738
# Check the directory mode, but also make sure the created
739
# directories and files are read-write for this user. This is
740
# mostly a workaround for filesystems which lie about being able to
741
# write to a directory (cygwin & win32)
742
if (st.st_mode & 07777 == 00000):
743
# FTP allows stat but does not return dir/file modes
744
self._dir_mode = None
745
self._file_mode = None
747
self._dir_mode = (st.st_mode & 07777) | 00700
748
# Remove the sticky and execute bits for files
749
self._file_mode = self._dir_mode & ~07111
751
def _get_file_mode(self):
752
"""Return Unix mode for newly created files, or None.
754
if not self._mode_check_done:
755
self._find_creation_modes()
756
return self._file_mode
758
def _get_dir_mode(self):
759
"""Return Unix mode for newly created directories, or None.
761
if not self._mode_check_done:
762
self._find_creation_modes()
763
return self._dir_mode
765
def get_config(self):
766
"""Get configuration for this BzrDir."""
767
return config.BzrDirConfig(self)
769
def _get_config(self):
770
"""By default, no configuration is available."""
410
next_transport = found_bzrdir.root_transport.clone('..')
411
if (found_bzrdir.root_transport.base == next_transport.base):
412
# top of the file system
416
if ((found_bzrdir.root_transport.base ==
417
self.root_transport.base) or repository.is_shared()):
420
raise errors.NoRepositoryPresent(self)
421
raise errors.NoRepositoryPresent(self)
423
def get_branch_transport(self, branch_format):
424
"""Get the transport for use by branch format in this BzrDir.
426
Note that bzr dirs that do not support format strings will raise
427
IncompatibleFormat if the branch format they are given has
428
a format string, and vice versa.
430
If branch_format is None, the transport is returned with no
431
checking. if it is not None, then the returned transport is
432
guaranteed to point to an existing directory ready for use.
434
raise NotImplementedError(self.get_branch_transport)
436
def get_repository_transport(self, repository_format):
437
"""Get the transport for use by repository format in this BzrDir.
439
Note that bzr dirs that do not support format strings will raise
440
IncompatibleFormat if the repository format they are given has
441
a format string, and vice versa.
443
If repository_format is None, the transport is returned with no
444
checking. if it is not None, then the returned transport is
445
guaranteed to point to an existing directory ready for use.
447
raise NotImplementedError(self.get_repository_transport)
449
def get_workingtree_transport(self, tree_format):
450
"""Get the transport for use by workingtree format in this BzrDir.
452
Note that bzr dirs that do not support format strings will raise
453
IncompatibleFormat if the workingtree format they are given has a
454
format string, and vice versa.
456
If workingtree_format is None, the transport is returned with no
457
checking. if it is not None, then the returned transport is
458
guaranteed to point to an existing directory ready for use.
460
raise NotImplementedError(self.get_workingtree_transport)
773
462
def __init__(self, _transport, _format):
774
463
"""Initialize a Bzr control dir object.
776
465
Only really common logic should reside here, concrete classes should be
777
466
made with varying behaviours.
780
469
:param _transport: the transport this dir is based at.
782
471
self._format = _format
783
# these are also under the more standard names of
784
# control_transport and user_transport
785
472
self.transport = _transport.clone('.bzr')
786
473
self.root_transport = _transport
787
self._mode_check_done = False
790
def user_transport(self):
791
return self.root_transport
794
def control_transport(self):
795
return self.transport
797
475
def is_control_filename(self, filename):
798
476
"""True if filename is the name of a path which is reserved for bzrdir's.
800
478
:param filename: A filename within the root transport of this bzrdir.
802
480
This is true IF and ONLY IF the filename is part of the namespace reserved
803
481
for bzr control dirs. Currently this is the '.bzr' directory in the root
804
of the root_transport.
482
of the root_transport. it is expected that plugins will need to extend
483
this in the future - for instance to make bzr talk with svn working
806
# this might be better on the BzrDirFormat class because it refers to
807
# all the possible bzrdir disk formats.
808
# This method is tested via the workingtree is_control_filename tests-
809
# it was extracted from WorkingTree.is_control_filename. If the method's
810
# contract is extended beyond the current trivial implementation, please
486
# this might be better on the BzrDirFormat class because it refers to
487
# all the possible bzrdir disk formats.
488
# This method is tested via the workingtree is_control_filename tests-
489
# it was extracted from WorkingTree.is_control_filename. If the methods
490
# contract is extended beyond the current trivial implementation please
811
491
# add new tests for it to the appropriate place.
812
492
return filename == '.bzr' or filename.startswith('.bzr/')
494
def needs_format_conversion(self, format=None):
495
"""Return true if this bzrdir needs convert_format run on it.
497
For instance, if the repository format is out of date but the
498
branch and working tree are not, this should return True.
500
:param format: Optional parameter indicating a specific desired
501
format we plan to arrive at.
503
raise NotImplementedError(self.needs_format_conversion)
815
506
def open_unsupported(base):
816
507
"""Open a branch which is not supported."""
817
508
return BzrDir.open(base, _unsupported=True)
820
def open(base, _unsupported=False, possible_transports=None):
821
"""Open an existing bzrdir, rooted at 'base' (url).
823
:param _unsupported: a private parameter to the BzrDir class.
511
def open(base, _unsupported=False):
512
"""Open an existing bzrdir, rooted at 'base' (url)
514
_unsupported is a private parameter to the BzrDir class.
825
t = _mod_transport.get_transport(base, possible_transports)
516
t = get_transport(base)
826
517
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
829
def open_from_transport(transport, _unsupported=False,
830
_server_formats=True):
520
def open_from_transport(transport, _unsupported=False):
831
521
"""Open a bzrdir within a particular directory.
833
523
:param transport: Transport containing the bzrdir.
834
524
:param _unsupported: private.
836
for hook in BzrDir.hooks['pre_open']:
838
# Keep initial base since 'transport' may be modified while following
840
526
base = transport.base
841
528
def find_format(transport):
842
return transport, controldir.ControlDirFormat.find_format(
843
transport, _server_formats=_server_formats)
529
return transport, BzrDirFormat.find_format(transport)
845
531
def redirected(transport, e, redirection_notice):
846
redirected_transport = transport._redirected_to(e.source, e.target)
847
if redirected_transport is None:
848
raise errors.NotBranchError(base)
532
qualified_source = e.get_source_url()
533
relpath = transport.relpath(qualified_source)
534
if not e.target.endswith(relpath):
535
# Not redirected to a branch-format, not a branch
536
raise errors.NotBranchError(path=e.target)
537
target = e.target[:-len(relpath)]
849
538
note('%s is%s redirected to %s',
850
transport.base, e.permanently, redirected_transport.base)
851
return redirected_transport
539
transport.base, e.permanently, target)
540
# Let's try with a new transport
541
qualified_target = e.get_target_url()[:-len(relpath)]
542
# FIXME: If 'transport' has a qualifier, this should
543
# be applied again to the new transport *iff* the
544
# schemes used are the same. It's a bit tricky to
545
# verify, so I'll punt for now
547
return get_transport(target)
854
550
transport, format = do_catching_redirections(find_format,
990
695
result_format.workingtree_format = tree._format.__class__()
991
696
return result_format, source_repository
993
def cloning_metadir(self, require_stacking=False):
698
def cloning_metadir(self):
994
699
"""Produce a metadir suitable for cloning or sprouting with.
996
701
These operations may produce workingtrees (yes, even though they're
997
"cloning" something that doesn't have a tree), so a viable workingtree
702
"cloning" something that doesn't have a tree, so a viable workingtree
998
703
format must be selected.
1000
:require_stacking: If True, non-stackable formats will be upgraded
1001
to similar stackable formats.
1002
:returns: a BzrDirFormat with all component formats either set
1003
appropriately or set to None if that component should not be
1006
705
format, repository = self._cloning_metadir()
1007
706
if format._workingtree_format is None:
1009
707
if repository is None:
1010
# No repository either
1012
# We have a repository, so set a working tree? (Why? This seems to
1013
# contradict the stated return value in the docstring).
1014
709
tree_format = repository._format._matchingbzrdir.workingtree_format
1015
710
format.workingtree_format = tree_format.__class__()
1016
if require_stacking:
1017
format.require_stacking()
1021
def create(cls, base, format=None, possible_transports=None):
1022
"""Create a new BzrDir at the url 'base'.
1024
:param format: If supplied, the format of branch to create. If not
1025
supplied, the default is used.
1026
:param possible_transports: If supplied, a list of transports that
1027
can be reused to share a remote connection.
713
def checkout_metadir(self):
714
return self.cloning_metadir()
716
def sprout(self, url, revision_id=None, force_new_repo=False,
718
"""Create a copy of this bzrdir prepared for use as a new line of
721
If urls last component does not exist, it will be created.
723
Attributes related to the identity of the source branch like
724
branch nickname will be cleaned, a working tree is created
725
whether one existed before or not; and a local branch is always
728
if revision_id is not None, then the clone operation may tune
729
itself to download less data.
1029
if cls is not BzrDir:
1030
raise AssertionError("BzrDir.create always creates the"
1031
"default format, not one of %r" % cls)
1032
t = _mod_transport.get_transport(base, possible_transports)
732
cloning_format = self.cloning_metadir()
733
result = cloning_format.initialize(url)
735
source_branch = self.open_branch()
736
source_repository = source_branch.repository
737
except errors.NotBranchError:
740
source_repository = self.open_repository()
741
except errors.NoRepositoryPresent:
742
source_repository = None
747
result_repo = result.find_repository()
748
except errors.NoRepositoryPresent:
750
if source_repository is None and result_repo is not None:
752
elif source_repository is None and result_repo is None:
753
# no repo available, make a new one
754
result.create_repository()
755
elif source_repository is not None and result_repo is None:
756
# have source, and want to make a new target repo
757
# we don't clone the repo because that preserves attributes
758
# like is_shared(), and we have not yet implemented a
759
# repository sprout().
760
result_repo = result.create_repository()
761
if result_repo is not None:
762
# fetch needed content into target.
763
if source_repository is not None:
764
result_repo.fetch(source_repository, revision_id=revision_id)
765
if source_branch is not None:
766
source_branch.sprout(result, revision_id=revision_id)
768
result.create_branch()
769
# TODO: jam 20060426 we probably need a test in here in the
770
# case that the newly sprouted branch is a remote one
771
if result_repo is None or result_repo.make_working_trees():
772
wt = result.create_workingtree()
775
if wt.path2id('') is None:
777
wt.set_root_id(self.open_workingtree.get_root_id())
778
except errors.NoWorkingTree:
784
if recurse == 'down':
786
basis = wt.basis_tree()
788
subtrees = basis.iter_references()
789
recurse_branch = wt.branch
790
elif source_branch is not None:
791
basis = source_branch.basis_tree()
793
subtrees = basis.iter_references()
794
recurse_branch = source_branch
799
for path, file_id in subtrees:
800
target = urlutils.join(url, urlutils.escape(path))
801
sublocation = source_branch.reference_parent(file_id, path)
802
sublocation.bzrdir.sprout(target,
803
basis.get_reference_revision(file_id, path),
804
force_new_repo=force_new_repo, recurse=recurse)
806
if basis is not None:
811
class BzrDirPreSplitOut(BzrDir):
812
"""A common class for the all-in-one formats."""
814
def __init__(self, _transport, _format):
815
"""See BzrDir.__init__."""
816
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
817
assert self._format._lock_class == lockable_files.TransportLock
818
assert self._format._lock_file_name == 'branch-lock'
819
self._control_files = lockable_files.LockableFiles(
820
self.get_branch_transport(None),
821
self._format._lock_file_name,
822
self._format._lock_class)
824
def break_lock(self):
825
"""Pre-splitout bzrdirs do not suffer from stale locks."""
826
raise NotImplementedError(self.break_lock)
828
def clone(self, url, revision_id=None, force_new_repo=False):
829
"""See BzrDir.clone()."""
830
from bzrlib.workingtree import WorkingTreeFormat2
832
result = self._format._initialize_for_clone(url)
833
self.open_repository().clone(result, revision_id=revision_id)
834
from_branch = self.open_branch()
835
from_branch.clone(result, revision_id=revision_id)
837
self.open_workingtree().clone(result)
838
except errors.NotLocalUrl:
839
# make a new one, this format always has to have one.
841
WorkingTreeFormat2().initialize(result)
842
except errors.NotLocalUrl:
843
# but we cannot do it for remote trees.
844
to_branch = result.open_branch()
845
WorkingTreeFormat2().stub_initialize_remote(to_branch.control_files)
848
def create_branch(self):
849
"""See BzrDir.create_branch."""
850
return self.open_branch()
852
def create_repository(self, shared=False):
853
"""See BzrDir.create_repository."""
855
raise errors.IncompatibleFormat('shared repository', self._format)
856
return self.open_repository()
858
def create_workingtree(self, revision_id=None):
859
"""See BzrDir.create_workingtree."""
860
# this looks buggy but is not -really-
861
# because this format creates the workingtree when the bzrdir is
863
# clone and sprout will have set the revision_id
864
# and that will have set it for us, its only
865
# specific uses of create_workingtree in isolation
866
# that can do wonky stuff here, and that only
867
# happens for creating checkouts, which cannot be
868
# done on this format anyway. So - acceptable wart.
869
result = self.open_workingtree(recommend_upgrade=False)
870
if revision_id is not None:
871
if revision_id == _mod_revision.NULL_REVISION:
872
result.set_parent_ids([])
874
result.set_parent_ids([revision_id])
877
def destroy_workingtree(self):
878
"""See BzrDir.destroy_workingtree."""
879
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
881
def destroy_workingtree_metadata(self):
882
"""See BzrDir.destroy_workingtree_metadata."""
883
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
886
def get_branch_transport(self, branch_format):
887
"""See BzrDir.get_branch_transport()."""
888
if branch_format is None:
889
return self.transport
891
branch_format.get_format_string()
892
except NotImplementedError:
893
return self.transport
894
raise errors.IncompatibleFormat(branch_format, self._format)
896
def get_repository_transport(self, repository_format):
897
"""See BzrDir.get_repository_transport()."""
898
if repository_format is None:
899
return self.transport
901
repository_format.get_format_string()
902
except NotImplementedError:
903
return self.transport
904
raise errors.IncompatibleFormat(repository_format, self._format)
906
def get_workingtree_transport(self, workingtree_format):
907
"""See BzrDir.get_workingtree_transport()."""
908
if workingtree_format is None:
909
return self.transport
911
workingtree_format.get_format_string()
912
except NotImplementedError:
913
return self.transport
914
raise errors.IncompatibleFormat(workingtree_format, self._format)
916
def needs_format_conversion(self, format=None):
917
"""See BzrDir.needs_format_conversion()."""
918
# if the format is not the same as the system default,
919
# an upgrade is needed.
1034
920
if format is None:
1035
format = controldir.ControlDirFormat.get_default_format()
1036
return format.initialize_on_transport(t)
1038
def get_branch_transport(self, branch_format, name=None):
1039
"""Get the transport for use by branch format in this BzrDir.
1041
Note that bzr dirs that do not support format strings will raise
1042
IncompatibleFormat if the branch format they are given has
1043
a format string, and vice versa.
1045
If branch_format is None, the transport is returned with no
1046
checking. If it is not None, then the returned transport is
1047
guaranteed to point to an existing directory ready for use.
1049
raise NotImplementedError(self.get_branch_transport)
1051
def get_repository_transport(self, repository_format):
1052
"""Get the transport for use by repository format in this BzrDir.
1054
Note that bzr dirs that do not support format strings will raise
1055
IncompatibleFormat if the repository format they are given has
1056
a format string, and vice versa.
1058
If repository_format is None, the transport is returned with no
1059
checking. If it is not None, then the returned transport is
1060
guaranteed to point to an existing directory ready for use.
1062
raise NotImplementedError(self.get_repository_transport)
1064
def get_workingtree_transport(self, tree_format):
1065
"""Get the transport for use by workingtree format in this BzrDir.
1067
Note that bzr dirs that do not support format strings will raise
1068
IncompatibleFormat if the workingtree format they are given has a
1069
format string, and vice versa.
1071
If workingtree_format is None, the transport is returned with no
1072
checking. If it is not None, then the returned transport is
1073
guaranteed to point to an existing directory ready for use.
1075
raise NotImplementedError(self.get_workingtree_transport)
1078
class BzrDirHooks(hooks.Hooks):
1079
"""Hooks for BzrDir operations."""
1082
"""Create the default hooks."""
1083
hooks.Hooks.__init__(self, "bzrlib.bzrdir", "BzrDir.hooks")
1084
self.add_hook('pre_open',
1085
"Invoked before attempting to open a BzrDir with the transport "
1086
"that the open will use.", (1, 14))
1087
self.add_hook('post_repo_init',
1088
"Invoked after a repository has been initialized. "
1089
"post_repo_init is called with a "
1090
"bzrlib.bzrdir.RepoInitHookParams.",
1093
# install the default hooks
1094
BzrDir.hooks = BzrDirHooks()
1097
class RepoInitHookParams(object):
1098
"""Object holding parameters passed to *_repo_init hooks.
1100
There are 4 fields that hooks may wish to access:
1102
:ivar repository: Repository created
1103
:ivar format: Repository format
1104
:ivar bzrdir: The bzrdir for the repository
1105
:ivar shared: The repository is shared
1108
def __init__(self, repository, format, a_bzrdir, shared):
1109
"""Create a group of RepoInitHook parameters.
1111
:param repository: Repository created
1112
:param format: Repository format
1113
:param bzrdir: The bzrdir for the repository
1114
:param shared: The repository is shared
1116
self.repository = repository
1117
self.format = format
1118
self.bzrdir = a_bzrdir
1119
self.shared = shared
1121
def __eq__(self, other):
1122
return self.__dict__ == other.__dict__
1126
return "<%s for %s>" % (self.__class__.__name__,
1129
return "<%s for %s>" % (self.__class__.__name__,
921
format = BzrDirFormat.get_default_format()
922
return not isinstance(self._format, format.__class__)
924
def open_branch(self, unsupported=False):
925
"""See BzrDir.open_branch."""
926
from bzrlib.branch import BzrBranchFormat4
927
format = BzrBranchFormat4()
928
self._check_supported(format, unsupported)
929
return format.open(self, _found=True)
931
def sprout(self, url, revision_id=None, force_new_repo=False):
932
"""See BzrDir.sprout()."""
933
from bzrlib.workingtree import WorkingTreeFormat2
935
result = self._format._initialize_for_clone(url)
937
self.open_repository().clone(result, revision_id=revision_id)
938
except errors.NoRepositoryPresent:
941
self.open_branch().sprout(result, revision_id=revision_id)
942
except errors.NotBranchError:
944
# we always want a working tree
945
WorkingTreeFormat2().initialize(result)
949
class BzrDir4(BzrDirPreSplitOut):
950
"""A .bzr version 4 control object.
952
This is a deprecated format and may be removed after sept 2006.
955
def create_repository(self, shared=False):
956
"""See BzrDir.create_repository."""
957
return self._format.repository_format.initialize(self, shared)
959
def needs_format_conversion(self, format=None):
960
"""Format 4 dirs are always in need of conversion."""
963
def open_repository(self):
964
"""See BzrDir.open_repository."""
965
from bzrlib.repofmt.weaverepo import RepositoryFormat4
966
return RepositoryFormat4().open(self, _found=True)
969
class BzrDir5(BzrDirPreSplitOut):
970
"""A .bzr version 5 control object.
972
This is a deprecated format and may be removed after sept 2006.
975
def open_repository(self):
976
"""See BzrDir.open_repository."""
977
from bzrlib.repofmt.weaverepo import RepositoryFormat5
978
return RepositoryFormat5().open(self, _found=True)
980
def open_workingtree(self, _unsupported=False,
981
recommend_upgrade=True):
982
"""See BzrDir.create_workingtree."""
983
from bzrlib.workingtree import WorkingTreeFormat2
984
wt_format = WorkingTreeFormat2()
985
# we don't warn here about upgrades; that ought to be handled for the
987
return wt_format.open(self, _found=True)
990
class BzrDir6(BzrDirPreSplitOut):
991
"""A .bzr version 6 control object.
993
This is a deprecated format and may be removed after sept 2006.
996
def open_repository(self):
997
"""See BzrDir.open_repository."""
998
from bzrlib.repofmt.weaverepo import RepositoryFormat6
999
return RepositoryFormat6().open(self, _found=True)
1001
def open_workingtree(self, _unsupported=False,
1002
recommend_upgrade=True):
1003
"""See BzrDir.create_workingtree."""
1004
# we don't warn here about upgrades; that ought to be handled for the
1006
from bzrlib.workingtree import WorkingTreeFormat2
1007
return WorkingTreeFormat2().open(self, _found=True)
1133
1010
class BzrDirMeta1(BzrDir):
1134
1011
"""A .bzr meta version 1 control object.
1136
This is the first control object where the
1013
This is the first control object where the
1137
1014
individual aspects are really split out: there are separate repository,
1138
1015
workingtree and branch subdirectories and any subset of the three can be
1139
1016
present within a BzrDir.
1310
1143
"""See BzrDir.open_workingtree."""
1311
1144
from bzrlib.workingtree import WorkingTreeFormat
1312
1145
format = WorkingTreeFormat.find_format(self)
1313
format.check_support_status(unsupported, recommend_upgrade,
1146
self._check_supported(format, unsupported,
1314
1148
basedir=self.root_transport.base)
1315
1149
return format.open(self, _found=True)
1317
def _get_config(self):
1318
return config.TransportConfig(self.transport, 'control.conf')
1321
class BzrProber(controldir.Prober):
1322
"""Prober for formats that use a .bzr/ control directory."""
1324
formats = registry.FormatRegistry(controldir.network_format_registry)
1325
"""The known .bzr formats."""
1328
@deprecated_method(deprecated_in((2, 4, 0)))
1329
def register_bzrdir_format(klass, format):
1330
klass.formats.register(format.get_format_string(), format)
1333
@deprecated_method(deprecated_in((2, 4, 0)))
1334
def unregister_bzrdir_format(klass, format):
1335
klass.formats.remove(format.get_format_string())
1338
def probe_transport(klass, transport):
1339
"""Return the .bzrdir style format present in a directory."""
1341
format_string = transport.get_bytes(".bzr/branch-format")
1342
except errors.NoSuchFile:
1343
raise errors.NotBranchError(path=transport.base)
1345
return klass.formats.get(format_string)
1347
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1350
def known_formats(cls):
1352
for name, format in cls.formats.iteritems():
1353
if callable(format):
1359
controldir.ControlDirFormat.register_prober(BzrProber)
1362
class RemoteBzrProber(controldir.Prober):
1363
"""Prober for remote servers that provide a Bazaar smart server."""
1366
def probe_transport(klass, transport):
1367
"""Return a RemoteBzrDirFormat object if it looks possible."""
1369
medium = transport.get_smart_medium()
1370
except (NotImplementedError, AttributeError,
1371
errors.TransportNotPossible, errors.NoSmartMedium,
1372
errors.SmartProtocolError):
1373
# no smart server, so not a branch for this format type.
1374
raise errors.NotBranchError(path=transport.base)
1376
# Decline to open it if the server doesn't support our required
1377
# version (3) so that the VFS-based transport will do it.
1378
if medium.should_probe():
1380
server_version = medium.protocol_version()
1381
except errors.SmartProtocolError:
1382
# Apparently there's no usable smart server there, even though
1383
# the medium supports the smart protocol.
1384
raise errors.NotBranchError(path=transport.base)
1385
if server_version != '2':
1386
raise errors.NotBranchError(path=transport.base)
1387
from bzrlib.remote import RemoteBzrDirFormat
1388
return RemoteBzrDirFormat()
1391
def known_formats(cls):
1392
from bzrlib.remote import RemoteBzrDirFormat
1393
return set([RemoteBzrDirFormat()])
1396
class BzrDirFormat(controldir.ControlDirFormat):
1397
"""ControlDirFormat base class for .bzr/ directories.
1399
Formats are placed in a dict by their format string for reference
1152
class BzrDirFormat(object):
1153
"""An encapsulation of the initialization and open routines for a format.
1155
Formats provide three things:
1156
* An initialization routine,
1160
Formats are placed in an dict by their format string for reference
1400
1161
during bzrdir opening. These should be subclasses of BzrDirFormat
1401
1162
for consistency.
1403
1164
Once a format is deprecated, just deprecate the initialize and open
1404
methods on the format class. Do not deprecate the object, as the
1165
methods on the format class. Do not deprecate the object, as the
1405
1166
object will be created every system load.
1169
_default_format = None
1170
"""The default format used for new .bzr dirs."""
1173
"""The known formats."""
1175
_control_formats = []
1176
"""The registered control formats - .bzr, ....
1178
This is a list of BzrDirFormat objects.
1408
1181
_lock_file_name = 'branch-lock'
1410
1183
# _lock_class must be set in subclasses to the lock type, typ.
1411
1184
# TransportLock or LockDir
1414
def get_format_string(cls):
1187
def find_format(klass, transport):
1188
"""Return the format present at transport."""
1189
for format in klass._control_formats:
1191
return format.probe_transport(transport)
1192
except errors.NotBranchError:
1193
# this format does not find a control dir here.
1195
raise errors.NotBranchError(path=transport.base)
1198
def probe_transport(klass, transport):
1199
"""Return the .bzrdir style transport present at URL."""
1201
format_string = transport.get(".bzr/branch-format").read()
1202
except errors.NoSuchFile:
1203
raise errors.NotBranchError(path=transport.base)
1206
return klass._formats[format_string]
1208
raise errors.UnknownFormatError(format=format_string)
1211
def get_default_format(klass):
1212
"""Return the current default format."""
1213
return klass._default_format
1215
def get_format_string(self):
1415
1216
"""Return the ASCII format string that identifies this format."""
1416
1217
raise NotImplementedError(self.get_format_string)
1219
def get_format_description(self):
1220
"""Return the short description for this format."""
1221
raise NotImplementedError(self.get_format_description)
1223
def get_converter(self, format=None):
1224
"""Return the converter to use to convert bzrdirs needing converts.
1226
This returns a bzrlib.bzrdir.Converter object.
1228
This should return the best upgrader to step this format towards the
1229
current default format. In the case of plugins we can/should provide
1230
some means for them to extend the range of returnable converters.
1232
:param format: Optional format to override the default format of the
1235
raise NotImplementedError(self.get_converter)
1237
def initialize(self, url):
1238
"""Create a bzr control dir at this url and return an opened copy.
1240
Subclasses should typically override initialize_on_transport
1241
instead of this method.
1243
return self.initialize_on_transport(get_transport(url))
1418
1245
def initialize_on_transport(self, transport):
1419
1246
"""Initialize a new bzrdir in the base directory of a Transport."""
1421
# can we hand off the request to the smart server rather than using
1423
client_medium = transport.get_smart_medium()
1424
except errors.NoSmartMedium:
1425
return self._initialize_on_transport_vfs(transport)
1427
# Current RPC's only know how to create bzr metadir1 instances, so
1428
# we still delegate to vfs methods if the requested format is not a
1430
if type(self) != BzrDirMetaFormat1:
1431
return self._initialize_on_transport_vfs(transport)
1432
from bzrlib.remote import RemoteBzrDirFormat
1433
remote_format = RemoteBzrDirFormat()
1434
self._supply_sub_formats_to(remote_format)
1435
return remote_format.initialize_on_transport(transport)
1437
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
1438
create_prefix=False, force_new_repo=False, stacked_on=None,
1439
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
1440
shared_repo=False, vfs_only=False):
1441
"""Create this format on transport.
1443
The directory to initialize will be created.
1445
:param force_new_repo: Do not use a shared repository for the target,
1446
even if one is available.
1447
:param create_prefix: Create any missing directories leading up to
1449
:param use_existing_dir: Use an existing directory if one exists.
1450
:param stacked_on: A url to stack any created branch on, None to follow
1451
any target stacking policy.
1452
:param stack_on_pwd: If stack_on is relative, the location it is
1454
:param repo_format_name: If non-None, a repository will be
1455
made-or-found. Should none be found, or if force_new_repo is True
1456
the repo_format_name is used to select the format of repository to
1458
:param make_working_trees: Control the setting of make_working_trees
1459
for a new shared repository when one is made. None to use whatever
1460
default the format has.
1461
:param shared_repo: Control whether made repositories are shared or
1463
:param vfs_only: If True do not attempt to use a smart server
1464
:return: repo, bzrdir, require_stacking, repository_policy. repo is
1465
None if none was created or found, bzrdir is always valid.
1466
require_stacking is the result of examining the stacked_on
1467
parameter and any stacking policy found for the target.
1470
# Try to hand off to a smart server
1472
client_medium = transport.get_smart_medium()
1473
except errors.NoSmartMedium:
1476
from bzrlib.remote import RemoteBzrDirFormat
1477
# TODO: lookup the local format from a server hint.
1478
remote_dir_format = RemoteBzrDirFormat()
1479
remote_dir_format._network_name = self.network_name()
1480
self._supply_sub_formats_to(remote_dir_format)
1481
return remote_dir_format.initialize_on_transport_ex(transport,
1482
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
1483
force_new_repo=force_new_repo, stacked_on=stacked_on,
1484
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
1485
make_working_trees=make_working_trees, shared_repo=shared_repo)
1486
# XXX: Refactor the create_prefix/no_create_prefix code into a
1487
# common helper function
1488
# The destination may not exist - if so make it according to policy.
1489
def make_directory(transport):
1490
transport.mkdir('.')
1492
def redirected(transport, e, redirection_notice):
1493
note(redirection_notice)
1494
return transport._redirected_to(e.source, e.target)
1496
transport = do_catching_redirections(make_directory, transport,
1498
except errors.FileExists:
1499
if not use_existing_dir:
1501
except errors.NoSuchFile:
1502
if not create_prefix:
1504
transport.create_prefix()
1506
require_stacking = (stacked_on is not None)
1507
# Now the target directory exists, but doesn't have a .bzr
1508
# directory. So we need to create it, along with any work to create
1509
# all of the dependent branches, etc.
1511
result = self.initialize_on_transport(transport)
1512
if repo_format_name:
1514
# use a custom format
1515
result._format.repository_format = \
1516
repository.network_format_registry.get(repo_format_name)
1517
except AttributeError:
1518
# The format didn't permit it to be set.
1520
# A repository is desired, either in-place or shared.
1521
repository_policy = result.determine_repository_policy(
1522
force_new_repo, stacked_on, stack_on_pwd,
1523
require_stacking=require_stacking)
1524
result_repo, is_new_repo = repository_policy.acquire_repository(
1525
make_working_trees, shared_repo)
1526
if not require_stacking and repository_policy._require_stacking:
1527
require_stacking = True
1528
result._format.require_stacking()
1529
result_repo.lock_write()
1532
repository_policy = None
1533
return result_repo, result, require_stacking, repository_policy
1535
def _initialize_on_transport_vfs(self, transport):
1536
"""Initialize a new bzrdir using VFS calls.
1538
:param transport: The transport to create the .bzr directory in.
1541
# Since we are creating a .bzr directory, inherit the
1247
# Since we don't have a .bzr directory, inherit the
1542
1248
# mode from the root directory
1543
1249
temp_control = lockable_files.LockableFiles(transport,
1544
1250
'', lockable_files.TransportLock)
1595
1327
raise NotImplementedError(self._open)
1597
def _supply_sub_formats_to(self, other_format):
1598
"""Give other_format the same values for sub formats as this has.
1600
This method is expected to be used when parameterising a
1601
RemoteBzrDirFormat instance with the parameters from a
1602
BzrDirMetaFormat1 instance.
1604
:param other_format: other_format is a format which should be
1605
compatible with whatever sub formats are supported by self.
1330
def register_format(klass, format):
1331
klass._formats[format.get_format_string()] = format
1334
def register_control_format(klass, format):
1335
"""Register a format that does not use '.bzr' for its control dir.
1337
TODO: This should be pulled up into a 'ControlDirFormat' base class
1338
which BzrDirFormat can inherit from, and renamed to register_format
1339
there. It has been done without that for now for simplicity of
1342
klass._control_formats.append(format)
1345
@symbol_versioning.deprecated_method(symbol_versioning.zero_fourteen)
1346
def set_default_format(klass, format):
1347
klass._set_default_format(format)
1350
def _set_default_format(klass, format):
1351
"""Set default format (for testing behavior of defaults only)"""
1352
klass._default_format = format
1355
return self.get_format_string()[:-1]
1358
def unregister_format(klass, format):
1359
assert klass._formats[format.get_format_string()] is format
1360
del klass._formats[format.get_format_string()]
1363
def unregister_control_format(klass, format):
1364
klass._control_formats.remove(format)
1367
class BzrDirFormat4(BzrDirFormat):
1368
"""Bzr dir format 4.
1370
This format is a combined format for working tree, branch and repository.
1372
- Format 1 working trees [always]
1373
- Format 4 branches [always]
1374
- Format 4 repositories [always]
1376
This format is deprecated: it indexes texts using a text it which is
1377
removed in format 5; write support for this format has been removed.
1380
_lock_class = lockable_files.TransportLock
1382
def get_format_string(self):
1383
"""See BzrDirFormat.get_format_string()."""
1384
return "Bazaar-NG branch, format 0.0.4\n"
1386
def get_format_description(self):
1387
"""See BzrDirFormat.get_format_description()."""
1388
return "All-in-one format 4"
1390
def get_converter(self, format=None):
1391
"""See BzrDirFormat.get_converter()."""
1392
# there is one and only one upgrade path here.
1393
return ConvertBzrDir4To5()
1395
def initialize_on_transport(self, transport):
1396
"""Format 4 branches cannot be created."""
1397
raise errors.UninitializableFormat(self)
1399
def is_supported(self):
1400
"""Format 4 is not supported.
1402
It is not supported because the model changed from 4 to 5 and the
1403
conversion logic is expensive - so doing it on the fly was not
1408
def _open(self, transport):
1409
"""See BzrDirFormat._open."""
1410
return BzrDir4(transport, self)
1412
def __return_repository_format(self):
1413
"""Circular import protection."""
1414
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1415
return RepositoryFormat4()
1416
repository_format = property(__return_repository_format)
1419
class BzrDirFormat5(BzrDirFormat):
1420
"""Bzr control format 5.
1422
This format is a combined format for working tree, branch and repository.
1424
- Format 2 working trees [always]
1425
- Format 4 branches [always]
1426
- Format 5 repositories [always]
1427
Unhashed stores in the repository.
1430
_lock_class = lockable_files.TransportLock
1432
def get_format_string(self):
1433
"""See BzrDirFormat.get_format_string()."""
1434
return "Bazaar-NG branch, format 5\n"
1436
def get_format_description(self):
1437
"""See BzrDirFormat.get_format_description()."""
1438
return "All-in-one format 5"
1440
def get_converter(self, format=None):
1441
"""See BzrDirFormat.get_converter()."""
1442
# there is one and only one upgrade path here.
1443
return ConvertBzrDir5To6()
1445
def _initialize_for_clone(self, url):
1446
return self.initialize_on_transport(get_transport(url), _cloning=True)
1448
def initialize_on_transport(self, transport, _cloning=False):
1449
"""Format 5 dirs always have working tree, branch and repository.
1451
Except when they are being cloned.
1453
from bzrlib.branch import BzrBranchFormat4
1454
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1455
from bzrlib.workingtree import WorkingTreeFormat2
1456
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1457
RepositoryFormat5().initialize(result, _internal=True)
1459
branch = BzrBranchFormat4().initialize(result)
1461
WorkingTreeFormat2().initialize(result)
1462
except errors.NotLocalUrl:
1463
# Even though we can't access the working tree, we need to
1464
# create its control files.
1465
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1468
def _open(self, transport):
1469
"""See BzrDirFormat._open."""
1470
return BzrDir5(transport, self)
1472
def __return_repository_format(self):
1473
"""Circular import protection."""
1474
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1475
return RepositoryFormat5()
1476
repository_format = property(__return_repository_format)
1479
class BzrDirFormat6(BzrDirFormat):
1480
"""Bzr control format 6.
1482
This format is a combined format for working tree, branch and repository.
1484
- Format 2 working trees [always]
1485
- Format 4 branches [always]
1486
- Format 6 repositories [always]
1489
_lock_class = lockable_files.TransportLock
1491
def get_format_string(self):
1492
"""See BzrDirFormat.get_format_string()."""
1493
return "Bazaar-NG branch, format 6\n"
1495
def get_format_description(self):
1496
"""See BzrDirFormat.get_format_description()."""
1497
return "All-in-one format 6"
1499
def get_converter(self, format=None):
1500
"""See BzrDirFormat.get_converter()."""
1501
# there is one and only one upgrade path here.
1502
return ConvertBzrDir6ToMeta()
1504
def _initialize_for_clone(self, url):
1505
return self.initialize_on_transport(get_transport(url), _cloning=True)
1507
def initialize_on_transport(self, transport, _cloning=False):
1508
"""Format 6 dirs always have working tree, branch and repository.
1510
Except when they are being cloned.
1512
from bzrlib.branch import BzrBranchFormat4
1513
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1514
from bzrlib.workingtree import WorkingTreeFormat2
1515
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1516
RepositoryFormat6().initialize(result, _internal=True)
1518
branch = BzrBranchFormat4().initialize(result)
1520
WorkingTreeFormat2().initialize(result)
1521
except errors.NotLocalUrl:
1522
# Even though we can't access the working tree, we need to
1523
# create its control files.
1524
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1527
def _open(self, transport):
1528
"""See BzrDirFormat._open."""
1529
return BzrDir6(transport, self)
1531
def __return_repository_format(self):
1532
"""Circular import protection."""
1533
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1534
return RepositoryFormat6()
1535
repository_format = property(__return_repository_format)
1610
1538
class BzrDirMetaFormat1(BzrDirFormat):
1818
1620
__set_workingtree_format)
1623
# Register bzr control format
1624
BzrDirFormat.register_control_format(BzrDirFormat)
1821
1626
# Register bzr formats
1822
BzrProber.formats.register(BzrDirMetaFormat1.get_format_string(),
1824
controldir.ControlDirFormat._default_format = BzrDirMetaFormat1()
1827
class ConvertMetaToMeta(controldir.Converter):
1627
BzrDirFormat.register_format(BzrDirFormat4())
1628
BzrDirFormat.register_format(BzrDirFormat5())
1629
BzrDirFormat.register_format(BzrDirFormat6())
1630
__default_format = BzrDirMetaFormat1()
1631
BzrDirFormat.register_format(__default_format)
1632
BzrDirFormat._default_format = __default_format
1635
class BzrDirTestProviderAdapter(object):
1636
"""A tool to generate a suite testing multiple bzrdir formats at once.
1638
This is done by copying the test once for each transport and injecting
1639
the transport_server, transport_readonly_server, and bzrdir_format
1640
classes into each copy. Each copy is also given a new id() to make it
1644
def __init__(self, transport_server, transport_readonly_server, formats):
1645
self._transport_server = transport_server
1646
self._transport_readonly_server = transport_readonly_server
1647
self._formats = formats
1649
def adapt(self, test):
1650
result = unittest.TestSuite()
1651
for format in self._formats:
1652
new_test = deepcopy(test)
1653
new_test.transport_server = self._transport_server
1654
new_test.transport_readonly_server = self._transport_readonly_server
1655
new_test.bzrdir_format = format
1656
def make_new_test_id():
1657
new_id = "%s(%s)" % (new_test.id(), format.__class__.__name__)
1658
return lambda: new_id
1659
new_test.id = make_new_test_id()
1660
result.addTest(new_test)
1664
class Converter(object):
1665
"""Converts a disk format object from one format to another."""
1667
def convert(self, to_convert, pb):
1668
"""Perform the conversion of to_convert, giving feedback via pb.
1670
:param to_convert: The disk object to convert.
1671
:param pb: a progress bar to use for progress information.
1674
def step(self, message):
1675
"""Update the pb by a step."""
1677
self.pb.update(message, self.count, self.total)
1680
class ConvertBzrDir4To5(Converter):
1681
"""Converts format 4 bzr dirs to format 5."""
1684
super(ConvertBzrDir4To5, self).__init__()
1685
self.converted_revs = set()
1686
self.absent_revisions = set()
1690
def convert(self, to_convert, pb):
1691
"""See Converter.convert()."""
1692
self.bzrdir = to_convert
1694
self.pb.note('starting upgrade from format 4 to 5')
1695
if isinstance(self.bzrdir.transport, LocalTransport):
1696
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
1697
self._convert_to_weaves()
1698
return BzrDir.open(self.bzrdir.root_transport.base)
1700
def _convert_to_weaves(self):
1701
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
1704
stat = self.bzrdir.transport.stat('weaves')
1705
if not S_ISDIR(stat.st_mode):
1706
self.bzrdir.transport.delete('weaves')
1707
self.bzrdir.transport.mkdir('weaves')
1708
except errors.NoSuchFile:
1709
self.bzrdir.transport.mkdir('weaves')
1710
# deliberately not a WeaveFile as we want to build it up slowly.
1711
self.inv_weave = Weave('inventory')
1712
# holds in-memory weaves for all files
1713
self.text_weaves = {}
1714
self.bzrdir.transport.delete('branch-format')
1715
self.branch = self.bzrdir.open_branch()
1716
self._convert_working_inv()
1717
rev_history = self.branch.revision_history()
1718
# to_read is a stack holding the revisions we still need to process;
1719
# appending to it adds new highest-priority revisions
1720
self.known_revisions = set(rev_history)
1721
self.to_read = rev_history[-1:]
1723
rev_id = self.to_read.pop()
1724
if (rev_id not in self.revisions
1725
and rev_id not in self.absent_revisions):
1726
self._load_one_rev(rev_id)
1728
to_import = self._make_order()
1729
for i, rev_id in enumerate(to_import):
1730
self.pb.update('converting revision', i, len(to_import))
1731
self._convert_one_rev(rev_id)
1733
self._write_all_weaves()
1734
self._write_all_revs()
1735
self.pb.note('upgraded to weaves:')
1736
self.pb.note(' %6d revisions and inventories', len(self.revisions))
1737
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
1738
self.pb.note(' %6d texts', self.text_count)
1739
self._cleanup_spare_files_after_format4()
1740
self.branch.control_files.put_utf8('branch-format', BzrDirFormat5().get_format_string())
1742
def _cleanup_spare_files_after_format4(self):
1743
# FIXME working tree upgrade foo.
1744
for n in 'merged-patches', 'pending-merged-patches':
1746
## assert os.path.getsize(p) == 0
1747
self.bzrdir.transport.delete(n)
1748
except errors.NoSuchFile:
1750
self.bzrdir.transport.delete_tree('inventory-store')
1751
self.bzrdir.transport.delete_tree('text-store')
1753
def _convert_working_inv(self):
1754
inv = xml4.serializer_v4.read_inventory(
1755
self.branch.control_files.get('inventory'))
1756
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
1757
# FIXME inventory is a working tree change.
1758
self.branch.control_files.put('inventory', StringIO(new_inv_xml))
1760
def _write_all_weaves(self):
1761
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
1762
weave_transport = self.bzrdir.transport.clone('weaves')
1763
weaves = WeaveStore(weave_transport, prefixed=False)
1764
transaction = WriteTransaction()
1768
for file_id, file_weave in self.text_weaves.items():
1769
self.pb.update('writing weave', i, len(self.text_weaves))
1770
weaves._put_weave(file_id, file_weave, transaction)
1772
self.pb.update('inventory', 0, 1)
1773
controlweaves._put_weave('inventory', self.inv_weave, transaction)
1774
self.pb.update('inventory', 1, 1)
1778
def _write_all_revs(self):
1779
"""Write all revisions out in new form."""
1780
self.bzrdir.transport.delete_tree('revision-store')
1781
self.bzrdir.transport.mkdir('revision-store')
1782
revision_transport = self.bzrdir.transport.clone('revision-store')
1784
_revision_store = TextRevisionStore(TextStore(revision_transport,
1788
transaction = WriteTransaction()
1789
for i, rev_id in enumerate(self.converted_revs):
1790
self.pb.update('write revision', i, len(self.converted_revs))
1791
_revision_store.add_revision(self.revisions[rev_id], transaction)
1795
def _load_one_rev(self, rev_id):
1796
"""Load a revision object into memory.
1798
Any parents not either loaded or abandoned get queued to be
1800
self.pb.update('loading revision',
1801
len(self.revisions),
1802
len(self.known_revisions))
1803
if not self.branch.repository.has_revision(rev_id):
1805
self.pb.note('revision {%s} not present in branch; '
1806
'will be converted as a ghost',
1808
self.absent_revisions.add(rev_id)
1810
rev = self.branch.repository._revision_store.get_revision(rev_id,
1811
self.branch.repository.get_transaction())
1812
for parent_id in rev.parent_ids:
1813
self.known_revisions.add(parent_id)
1814
self.to_read.append(parent_id)
1815
self.revisions[rev_id] = rev
1817
def _load_old_inventory(self, rev_id):
1818
assert rev_id not in self.converted_revs
1819
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
1820
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
1821
inv.revision_id = rev_id
1822
rev = self.revisions[rev_id]
1823
if rev.inventory_sha1:
1824
assert rev.inventory_sha1 == sha_string(old_inv_xml), \
1825
'inventory sha mismatch for {%s}' % rev_id
1828
def _load_updated_inventory(self, rev_id):
1829
assert rev_id in self.converted_revs
1830
inv_xml = self.inv_weave.get_text(rev_id)
1831
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml)
1834
def _convert_one_rev(self, rev_id):
1835
"""Convert revision and all referenced objects to new format."""
1836
rev = self.revisions[rev_id]
1837
inv = self._load_old_inventory(rev_id)
1838
present_parents = [p for p in rev.parent_ids
1839
if p not in self.absent_revisions]
1840
self._convert_revision_contents(rev, inv, present_parents)
1841
self._store_new_weave(rev, inv, present_parents)
1842
self.converted_revs.add(rev_id)
1844
def _store_new_weave(self, rev, inv, present_parents):
1845
# the XML is now updated with text versions
1847
entries = inv.iter_entries()
1849
for path, ie in entries:
1850
assert getattr(ie, 'revision', None) is not None, \
1851
'no revision on {%s} in {%s}' % \
1852
(file_id, rev.revision_id)
1853
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
1854
new_inv_sha1 = sha_string(new_inv_xml)
1855
self.inv_weave.add_lines(rev.revision_id,
1857
new_inv_xml.splitlines(True))
1858
rev.inventory_sha1 = new_inv_sha1
1860
def _convert_revision_contents(self, rev, inv, present_parents):
1861
"""Convert all the files within a revision.
1863
Also upgrade the inventory to refer to the text revision ids."""
1864
rev_id = rev.revision_id
1865
mutter('converting texts of revision {%s}',
1867
parent_invs = map(self._load_updated_inventory, present_parents)
1868
entries = inv.iter_entries()
1870
for path, ie in entries:
1871
self._convert_file_version(rev, ie, parent_invs)
1873
def _convert_file_version(self, rev, ie, parent_invs):
1874
"""Convert one version of one file.
1876
The file needs to be added into the weave if it is a merge
1877
of >=2 parents or if it's changed from its parent.
1879
file_id = ie.file_id
1880
rev_id = rev.revision_id
1881
w = self.text_weaves.get(file_id)
1884
self.text_weaves[file_id] = w
1885
text_changed = False
1886
previous_entries = ie.find_previous_heads(parent_invs,
1890
for old_revision in previous_entries:
1891
# if this fails, its a ghost ?
1892
assert old_revision in self.converted_revs, \
1893
"Revision {%s} not in converted_revs" % old_revision
1894
self.snapshot_ie(previous_entries, ie, w, rev_id)
1896
assert getattr(ie, 'revision', None) is not None
1898
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
1899
# TODO: convert this logic, which is ~= snapshot to
1900
# a call to:. This needs the path figured out. rather than a work_tree
1901
# a v4 revision_tree can be given, or something that looks enough like
1902
# one to give the file content to the entry if it needs it.
1903
# and we need something that looks like a weave store for snapshot to
1905
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
1906
if len(previous_revisions) == 1:
1907
previous_ie = previous_revisions.values()[0]
1908
if ie._unchanged(previous_ie):
1909
ie.revision = previous_ie.revision
1912
text = self.branch.repository.text_store.get(ie.text_id)
1913
file_lines = text.readlines()
1914
assert sha_strings(file_lines) == ie.text_sha1
1915
assert sum(map(len, file_lines)) == ie.text_size
1916
w.add_lines(rev_id, previous_revisions, file_lines)
1917
self.text_count += 1
1919
w.add_lines(rev_id, previous_revisions, [])
1920
ie.revision = rev_id
1922
def _make_order(self):
1923
"""Return a suitable order for importing revisions.
1925
The order must be such that an revision is imported after all
1926
its (present) parents.
1928
todo = set(self.revisions.keys())
1929
done = self.absent_revisions.copy()
1932
# scan through looking for a revision whose parents
1934
for rev_id in sorted(list(todo)):
1935
rev = self.revisions[rev_id]
1936
parent_ids = set(rev.parent_ids)
1937
if parent_ids.issubset(done):
1938
# can take this one now
1939
order.append(rev_id)
1945
class ConvertBzrDir5To6(Converter):
1946
"""Converts format 5 bzr dirs to format 6."""
1948
def convert(self, to_convert, pb):
1949
"""See Converter.convert()."""
1950
self.bzrdir = to_convert
1952
self.pb.note('starting upgrade from format 5 to 6')
1953
self._convert_to_prefixed()
1954
return BzrDir.open(self.bzrdir.root_transport.base)
1956
def _convert_to_prefixed(self):
1957
from bzrlib.store import TransportStore
1958
self.bzrdir.transport.delete('branch-format')
1959
for store_name in ["weaves", "revision-store"]:
1960
self.pb.note("adding prefixes to %s" % store_name)
1961
store_transport = self.bzrdir.transport.clone(store_name)
1962
store = TransportStore(store_transport, prefixed=True)
1963
for urlfilename in store_transport.list_dir('.'):
1964
filename = urlutils.unescape(urlfilename)
1965
if (filename.endswith(".weave") or
1966
filename.endswith(".gz") or
1967
filename.endswith(".sig")):
1968
file_id = os.path.splitext(filename)[0]
1971
prefix_dir = store.hash_prefix(file_id)
1972
# FIXME keep track of the dirs made RBC 20060121
1974
store_transport.move(filename, prefix_dir + '/' + filename)
1975
except errors.NoSuchFile: # catches missing dirs strangely enough
1976
store_transport.mkdir(prefix_dir)
1977
store_transport.move(filename, prefix_dir + '/' + filename)
1978
self.bzrdir._control_files.put_utf8('branch-format', BzrDirFormat6().get_format_string())
1981
class ConvertBzrDir6ToMeta(Converter):
1982
"""Converts format 6 bzr dirs to metadirs."""
1984
def convert(self, to_convert, pb):
1985
"""See Converter.convert()."""
1986
from bzrlib.repofmt.weaverepo import RepositoryFormat7
1987
from bzrlib.branch import BzrBranchFormat5
1988
self.bzrdir = to_convert
1991
self.total = 20 # the steps we know about
1992
self.garbage_inventories = []
1994
self.pb.note('starting upgrade from format 6 to metadir')
1995
self.bzrdir._control_files.put_utf8('branch-format', "Converting to format 6")
1996
# its faster to move specific files around than to open and use the apis...
1997
# first off, nuke ancestry.weave, it was never used.
1999
self.step('Removing ancestry.weave')
2000
self.bzrdir.transport.delete('ancestry.weave')
2001
except errors.NoSuchFile:
2003
# find out whats there
2004
self.step('Finding branch files')
2005
last_revision = self.bzrdir.open_branch().last_revision()
2006
bzrcontents = self.bzrdir.transport.list_dir('.')
2007
for name in bzrcontents:
2008
if name.startswith('basis-inventory.'):
2009
self.garbage_inventories.append(name)
2010
# create new directories for repository, working tree and branch
2011
self.dir_mode = self.bzrdir._control_files._dir_mode
2012
self.file_mode = self.bzrdir._control_files._file_mode
2013
repository_names = [('inventory.weave', True),
2014
('revision-store', True),
2016
self.step('Upgrading repository ')
2017
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2018
self.make_lock('repository')
2019
# we hard code the formats here because we are converting into
2020
# the meta format. The meta format upgrader can take this to a
2021
# future format within each component.
2022
self.put_format('repository', RepositoryFormat7())
2023
for entry in repository_names:
2024
self.move_entry('repository', entry)
2026
self.step('Upgrading branch ')
2027
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2028
self.make_lock('branch')
2029
self.put_format('branch', BzrBranchFormat5())
2030
branch_files = [('revision-history', True),
2031
('branch-name', True),
2033
for entry in branch_files:
2034
self.move_entry('branch', entry)
2036
checkout_files = [('pending-merges', True),
2037
('inventory', True),
2038
('stat-cache', False)]
2039
# If a mandatory checkout file is not present, the branch does not have
2040
# a functional checkout. Do not create a checkout in the converted
2042
for name, mandatory in checkout_files:
2043
if mandatory and name not in bzrcontents:
2044
has_checkout = False
2048
if not has_checkout:
2049
self.pb.note('No working tree.')
2050
# If some checkout files are there, we may as well get rid of them.
2051
for name, mandatory in checkout_files:
2052
if name in bzrcontents:
2053
self.bzrdir.transport.delete(name)
2055
from bzrlib.workingtree import WorkingTreeFormat3
2056
self.step('Upgrading working tree')
2057
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2058
self.make_lock('checkout')
2060
'checkout', WorkingTreeFormat3())
2061
self.bzrdir.transport.delete_multi(
2062
self.garbage_inventories, self.pb)
2063
for entry in checkout_files:
2064
self.move_entry('checkout', entry)
2065
if last_revision is not None:
2066
self.bzrdir._control_files.put_utf8(
2067
'checkout/last-revision', last_revision)
2068
self.bzrdir._control_files.put_utf8(
2069
'branch-format', BzrDirMetaFormat1().get_format_string())
2070
return BzrDir.open(self.bzrdir.root_transport.base)
2072
def make_lock(self, name):
2073
"""Make a lock for the new control dir name."""
2074
self.step('Make %s lock' % name)
2075
ld = lockdir.LockDir(self.bzrdir.transport,
2077
file_modebits=self.file_mode,
2078
dir_modebits=self.dir_mode)
2081
def move_entry(self, new_dir, entry):
2082
"""Move then entry name into new_dir."""
2084
mandatory = entry[1]
2085
self.step('Moving %s' % name)
2087
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2088
except errors.NoSuchFile:
2092
def put_format(self, dirname, format):
2093
self.bzrdir._control_files.put_utf8('%s/format' % dirname, format.get_format_string())
2096
class ConvertMetaToMeta(Converter):
1828
2097
"""Converts the components of metadirs."""
1830
2099
def __init__(self, target_format):
1884
2142
# TODO: conversions of Branch and Tree should be done by
1885
2143
# InterXFormat lookups
1886
if (isinstance(tree, workingtree_3.WorkingTree3) and
1887
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2144
if (isinstance(tree, workingtree.WorkingTree3) and
2145
not isinstance(tree, workingtree_4.WorkingTree4) and
1888
2146
isinstance(self.target_format.workingtree_format,
1889
workingtree_4.DirStateWorkingTreeFormat)):
2147
workingtree_4.WorkingTreeFormat4)):
1890
2148
workingtree_4.Converter3to4().convert(tree)
1891
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1892
not isinstance(tree, workingtree_4.WorkingTree5) and
1893
isinstance(self.target_format.workingtree_format,
1894
workingtree_4.WorkingTreeFormat5)):
1895
workingtree_4.Converter4to5().convert(tree)
1896
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1897
not isinstance(tree, workingtree_4.WorkingTree6) and
1898
isinstance(self.target_format.workingtree_format,
1899
workingtree_4.WorkingTreeFormat6)):
1900
workingtree_4.Converter4or5to6().convert(tree)
1902
2149
return to_convert
1905
controldir.ControlDirFormat.register_server_prober(RemoteBzrProber)
1908
class RepositoryAcquisitionPolicy(object):
1909
"""Abstract base class for repository acquisition policies.
1911
A repository acquisition policy decides how a BzrDir acquires a repository
1912
for a branch that is being created. The most basic policy decision is
1913
whether to create a new repository or use an existing one.
1915
def __init__(self, stack_on, stack_on_pwd, require_stacking):
1918
:param stack_on: A location to stack on
1919
:param stack_on_pwd: If stack_on is relative, the location it is
1921
:param require_stacking: If True, it is a failure to not stack.
1923
self._stack_on = stack_on
1924
self._stack_on_pwd = stack_on_pwd
1925
self._require_stacking = require_stacking
1927
def configure_branch(self, branch):
1928
"""Apply any configuration data from this policy to the branch.
1930
Default implementation sets repository stacking.
1932
if self._stack_on is None:
1934
if self._stack_on_pwd is None:
1935
stack_on = self._stack_on
1938
stack_on = urlutils.rebase_url(self._stack_on,
1941
except errors.InvalidRebaseURLs:
1942
stack_on = self._get_full_stack_on()
1944
branch.set_stacked_on_url(stack_on)
1945
except (errors.UnstackableBranchFormat,
1946
errors.UnstackableRepositoryFormat):
1947
if self._require_stacking:
1950
def requires_stacking(self):
1951
"""Return True if this policy requires stacking."""
1952
return self._stack_on is not None and self._require_stacking
1954
def _get_full_stack_on(self):
1955
"""Get a fully-qualified URL for the stack_on location."""
1956
if self._stack_on is None:
1958
if self._stack_on_pwd is None:
1959
return self._stack_on
1961
return urlutils.join(self._stack_on_pwd, self._stack_on)
1963
def _add_fallback(self, repository, possible_transports=None):
1964
"""Add a fallback to the supplied repository, if stacking is set."""
1965
stack_on = self._get_full_stack_on()
1966
if stack_on is None:
1969
stacked_dir = BzrDir.open(stack_on,
1970
possible_transports=possible_transports)
1971
except errors.JailBreak:
1972
# We keep the stacking details, but we are in the server code so
1973
# actually stacking is not needed.
1976
stacked_repo = stacked_dir.open_branch().repository
1977
except errors.NotBranchError:
1978
stacked_repo = stacked_dir.open_repository()
1980
repository.add_fallback_repository(stacked_repo)
1981
except errors.UnstackableRepositoryFormat:
1982
if self._require_stacking:
1985
self._require_stacking = True
1987
def acquire_repository(self, make_working_trees=None, shared=False):
1988
"""Acquire a repository for this bzrdir.
1990
Implementations may create a new repository or use a pre-exising
1992
:param make_working_trees: If creating a repository, set
1993
make_working_trees to this value (if non-None)
1994
:param shared: If creating a repository, make it shared if True
1995
:return: A repository, is_new_flag (True if the repository was
1998
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2001
class CreateRepository(RepositoryAcquisitionPolicy):
2002
"""A policy of creating a new repository"""
2004
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2005
require_stacking=False):
2008
:param bzrdir: The bzrdir to create the repository on.
2009
:param stack_on: A location to stack on
2010
:param stack_on_pwd: If stack_on is relative, the location it is
2013
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2015
self._bzrdir = bzrdir
2017
def acquire_repository(self, make_working_trees=None, shared=False):
2018
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2020
Creates the desired repository in the bzrdir we already have.
2022
stack_on = self._get_full_stack_on()
2024
format = self._bzrdir._format
2025
format.require_stacking(stack_on=stack_on,
2026
possible_transports=[self._bzrdir.root_transport])
2027
if not self._require_stacking:
2028
# We have picked up automatic stacking somewhere.
2029
note('Using default stacking branch %s at %s', self._stack_on,
2031
repository = self._bzrdir.create_repository(shared=shared)
2032
self._add_fallback(repository,
2033
possible_transports=[self._bzrdir.transport])
2034
if make_working_trees is not None:
2035
repository.set_make_working_trees(make_working_trees)
2036
return repository, True
2039
class UseExistingRepository(RepositoryAcquisitionPolicy):
2040
"""A policy of reusing an existing repository"""
2042
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2043
require_stacking=False):
2046
:param repository: The repository to use.
2047
:param stack_on: A location to stack on
2048
:param stack_on_pwd: If stack_on is relative, the location it is
2051
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2053
self._repository = repository
2055
def acquire_repository(self, make_working_trees=None, shared=False):
2056
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2058
Returns an existing repository to use.
2060
self._add_fallback(self._repository,
2061
possible_transports=[self._repository.bzrdir.transport])
2062
return self._repository, False
2065
def register_metadir(registry, key,
2066
repository_format, help, native=True, deprecated=False,
2072
"""Register a metadir subformat.
2074
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2075
by the Repository/Branch/WorkingTreeformats.
2077
:param repository_format: The fully-qualified repository format class
2079
:param branch_format: Fully-qualified branch format class name as
2081
:param tree_format: Fully-qualified tree format class name as
2084
# This should be expanded to support setting WorkingTree and Branch
2085
# formats, once BzrDirMetaFormat1 supports that.
2086
def _load(full_name):
2087
mod_name, factory_name = full_name.rsplit('.', 1)
2089
factory = pyutils.get_named_object(mod_name, factory_name)
2090
except ImportError, e:
2091
raise ImportError('failed to load %s: %s' % (full_name, e))
2092
except AttributeError:
2093
raise AttributeError('no factory %s in module %r'
2094
% (full_name, sys.modules[mod_name]))
2098
bd = BzrDirMetaFormat1()
2099
if branch_format is not None:
2100
bd.set_branch_format(_load(branch_format))
2101
if tree_format is not None:
2102
bd.workingtree_format = _load(tree_format)
2103
if repository_format is not None:
2104
bd.repository_format = _load(repository_format)
2106
registry.register(key, helper, help, native, deprecated, hidden,
2107
experimental, alias)
2109
register_metadir(controldir.format_registry, 'knit',
2152
class BzrDirFormatInfo(object):
2154
def __init__(self, native, deprecated, hidden):
2155
self.deprecated = deprecated
2156
self.native = native
2157
self.hidden = hidden
2160
class BzrDirFormatRegistry(registry.Registry):
2161
"""Registry of user-selectable BzrDir subformats.
2163
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2164
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2167
def register_metadir(self, key,
2168
repository_format, help, native=True, deprecated=False,
2172
"""Register a metadir subformat.
2174
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2175
by the Repository format.
2177
:param repository_format: The fully-qualified repository format class
2179
:param branch_format: Fully-qualified branch format class name as
2181
:param tree_format: Fully-qualified tree format class name as
2184
# This should be expanded to support setting WorkingTree and Branch
2185
# formats, once BzrDirMetaFormat1 supports that.
2186
def _load(full_name):
2187
mod_name, factory_name = full_name.rsplit('.', 1)
2189
mod = __import__(mod_name, globals(), locals(),
2191
except ImportError, e:
2192
raise ImportError('failed to load %s: %s' % (full_name, e))
2194
factory = getattr(mod, factory_name)
2195
except AttributeError:
2196
raise AttributeError('no factory %s in module %r'
2201
bd = BzrDirMetaFormat1()
2202
if branch_format is not None:
2203
bd.set_branch_format(_load(branch_format))
2204
if tree_format is not None:
2205
bd.workingtree_format = _load(tree_format)
2206
if repository_format is not None:
2207
bd.repository_format = _load(repository_format)
2209
self.register(key, helper, help, native, deprecated, hidden)
2211
def register(self, key, factory, help, native=True, deprecated=False,
2213
"""Register a BzrDirFormat factory.
2215
The factory must be a callable that takes one parameter: the key.
2216
It must produce an instance of the BzrDirFormat when called.
2218
This function mainly exists to prevent the info object from being
2221
registry.Registry.register(self, key, factory, help,
2222
BzrDirFormatInfo(native, deprecated, hidden))
2224
def register_lazy(self, key, module_name, member_name, help, native=True,
2225
deprecated=False, hidden=False):
2226
registry.Registry.register_lazy(self, key, module_name, member_name,
2227
help, BzrDirFormatInfo(native, deprecated, hidden))
2229
def set_default(self, key):
2230
"""Set the 'default' key to be a clone of the supplied key.
2232
This method must be called once and only once.
2234
registry.Registry.register(self, 'default', self.get(key),
2235
self.get_help(key), info=self.get_info(key))
2237
def set_default_repository(self, key):
2238
"""Set the FormatRegistry default and Repository default.
2240
This is a transitional method while Repository.set_default_format
2243
if 'default' in self:
2244
self.remove('default')
2245
self.set_default(key)
2246
format = self.get('default')()
2247
assert isinstance(format, BzrDirMetaFormat1)
2249
def make_bzrdir(self, key):
2250
return self.get(key)()
2252
def help_topic(self, topic):
2253
output = textwrap.dedent("""\
2254
Bazaar directory formats
2255
------------------------
2257
These formats can be used for creating branches, working trees, and
2261
default_help = self.get_help('default')
2263
for key in self.keys():
2264
if key == 'default':
2266
help = self.get_help(key)
2267
if help == default_help:
2268
default_realkey = key
2270
help_pairs.append((key, help))
2272
def wrapped(key, help, info):
2274
help = '(native) ' + help
2275
return ' %s:\n%s\n\n' % (key,
2276
textwrap.fill(help, initial_indent=' ',
2277
subsequent_indent=' '))
2278
output += wrapped('%s/default' % default_realkey, default_help,
2279
self.get_info('default'))
2280
deprecated_pairs = []
2281
for key, help in help_pairs:
2282
info = self.get_info(key)
2285
elif info.deprecated:
2286
deprecated_pairs.append((key, help))
2288
output += wrapped(key, help, info)
2289
if len(deprecated_pairs) > 0:
2290
output += "Deprecated formats\n------------------\n\n"
2291
for key, help in deprecated_pairs:
2292
info = self.get_info(key)
2293
output += wrapped(key, help, info)
2298
format_registry = BzrDirFormatRegistry()
2299
format_registry.register('weave', BzrDirFormat6,
2300
'Pre-0.8 format. Slower than knit and does not'
2301
' support checkouts or shared repositories.',
2303
format_registry.register_metadir('knit',
2110
2304
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2111
2305
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2112
2306
branch_format='bzrlib.branch.BzrBranchFormat5',
2113
tree_format='bzrlib.workingtree_3.WorkingTreeFormat3',
2307
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2308
format_registry.register_metadir('metaweave',
2309
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2310
'Transitional format in 0.8. Slower than knit.',
2311
branch_format='bzrlib.branch.BzrBranchFormat5',
2312
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2115
2313
deprecated=True)
2116
register_metadir(controldir.format_registry, 'dirstate',
2314
format_registry.register_metadir('dirstate',
2117
2315
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2118
2316
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2119
2317
'above when accessed over the network.',
2120
2318
branch_format='bzrlib.branch.BzrBranchFormat5',
2121
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2124
register_metadir(controldir.format_registry, 'dirstate-tags',
2319
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2320
# directly from workingtree_4 triggers a circular import.
2321
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2323
format_registry.register_metadir('dirstate-tags',
2125
2324
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2126
2325
help='New in 0.15: Fast local operations and improved scaling for '
2127
2326
'network operations. Additionally adds support for tags.'
2128
2327
' Incompatible with bzr < 0.15.',
2129
2328
branch_format='bzrlib.branch.BzrBranchFormat6',
2130
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2133
register_metadir(controldir.format_registry, 'rich-root',
2134
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2135
help='New in 1.0. Better handling of tree roots. Incompatible with'
2137
branch_format='bzrlib.branch.BzrBranchFormat6',
2138
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2141
register_metadir(controldir.format_registry, 'dirstate-with-subtree',
2329
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2331
format_registry.register_metadir('dirstate-with-subtree',
2142
2332
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2143
2333
help='New in 0.15: Fast local operations and improved scaling for '
2144
2334
'network operations. Additionally adds support for versioning nested '
2145
2335
'bzr branches. Incompatible with bzr < 0.15.',
2146
2336
branch_format='bzrlib.branch.BzrBranchFormat6',
2147
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2151
register_metadir(controldir.format_registry, 'pack-0.92',
2152
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack1',
2153
help='New in 0.92: Pack-based format with data compatible with '
2154
'dirstate-tags format repositories. Interoperates with '
2155
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2157
branch_format='bzrlib.branch.BzrBranchFormat6',
2158
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2160
register_metadir(controldir.format_registry, 'pack-0.92-subtree',
2161
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack3',
2162
help='New in 0.92: Pack-based format with data compatible with '
2163
'dirstate-with-subtree format repositories. Interoperates with '
2164
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2166
branch_format='bzrlib.branch.BzrBranchFormat6',
2167
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2171
register_metadir(controldir.format_registry, 'rich-root-pack',
2172
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack4',
2173
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
2174
'(needed for bzr-svn and bzr-git).',
2175
branch_format='bzrlib.branch.BzrBranchFormat6',
2176
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2179
register_metadir(controldir.format_registry, '1.6',
2180
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5',
2181
help='A format that allows a branch to indicate that there is another '
2182
'(stacked) repository that should be used to access data that is '
2183
'not present locally.',
2184
branch_format='bzrlib.branch.BzrBranchFormat7',
2185
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2188
register_metadir(controldir.format_registry, '1.6.1-rich-root',
2189
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5RichRoot',
2190
help='A variant of 1.6 that supports rich-root data '
2191
'(needed for bzr-svn and bzr-git).',
2192
branch_format='bzrlib.branch.BzrBranchFormat7',
2193
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2196
register_metadir(controldir.format_registry, '1.9',
2197
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2198
help='A repository format using B+tree indexes. These indexes '
2199
'are smaller in size, have smarter caching and provide faster '
2200
'performance for most operations.',
2201
branch_format='bzrlib.branch.BzrBranchFormat7',
2202
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2205
register_metadir(controldir.format_registry, '1.9-rich-root',
2206
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2207
help='A variant of 1.9 that supports rich-root data '
2208
'(needed for bzr-svn and bzr-git).',
2209
branch_format='bzrlib.branch.BzrBranchFormat7',
2210
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2213
register_metadir(controldir.format_registry, '1.14',
2214
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2215
help='A working-tree format that supports content filtering.',
2216
branch_format='bzrlib.branch.BzrBranchFormat7',
2217
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2219
register_metadir(controldir.format_registry, '1.14-rich-root',
2220
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2221
help='A variant of 1.14 that supports rich-root data '
2222
'(needed for bzr-svn and bzr-git).',
2223
branch_format='bzrlib.branch.BzrBranchFormat7',
2224
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2226
# The following un-numbered 'development' formats should always just be aliases.
2227
register_metadir(controldir.format_registry, 'development-subtree',
2228
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2aSubtree',
2229
help='Current development format, subtree variant. Can convert data to and '
2230
'from pack-0.92-subtree (and anything compatible with '
2231
'pack-0.92-subtree) format repositories. Repositories and branches in '
2232
'this format can only be read by bzr.dev. Please read '
2233
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2235
branch_format='bzrlib.branch.BzrBranchFormat7',
2236
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2239
alias=False, # Restore to being an alias when an actual development subtree format is added
2240
# This current non-alias status is simply because we did not introduce a
2241
# chk based subtree format.
2243
register_metadir(controldir.format_registry, 'development5-subtree',
2244
'bzrlib.repofmt.knitpack_repo.RepositoryFormatPackDevelopment2Subtree',
2245
help='Development format, subtree variant. Can convert data to and '
2246
'from pack-0.92-subtree (and anything compatible with '
2247
'pack-0.92-subtree) format repositories. Repositories and branches in '
2248
'this format can only be read by bzr.dev. Please read '
2249
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2251
branch_format='bzrlib.branch.BzrBranchFormat7',
2252
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2258
# And the development formats above will have aliased one of the following:
2260
# Finally, the current format.
2261
register_metadir(controldir.format_registry, '2a',
2262
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2263
help='First format for bzr 2.0 series.\n'
2264
'Uses group-compress storage.\n'
2265
'Provides rich roots which are a one-way transition.\n',
2266
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
2267
# 'rich roots. Supported by bzr 1.16 and later.',
2268
branch_format='bzrlib.branch.BzrBranchFormat7',
2269
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2273
# The following format should be an alias for the rich root equivalent
2274
# of the default format
2275
register_metadir(controldir.format_registry, 'default-rich-root',
2276
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2277
branch_format='bzrlib.branch.BzrBranchFormat7',
2278
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2283
# The current format that is made on 'bzr init'.
2284
format_name = config.GlobalConfig().get_user_option('default_format')
2285
if format_name is None:
2286
controldir.format_registry.set_default('2a')
2288
controldir.format_registry.set_default(format_name)
2290
# XXX 2010-08-20 JRV: There is still a lot of code relying on
2291
# bzrlib.bzrdir.format_registry existing. When BzrDir.create/BzrDir.open/etc
2292
# get changed to ControlDir.create/ControlDir.open/etc this should be removed.
2293
format_registry = controldir.format_registry
2337
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2340
format_registry.set_default('dirstate')