91
54
BzrDir instances let you create or open any of the things that can be
92
55
found within .bzr - checkouts, branches and repositories.
95
58
the transport which this bzr dir is rooted at (i.e. file:///.../.bzr/)
97
a transport connected to the directory this bzr was opened from
98
(i.e. the parent directory holding the .bzr directory).
100
Everything in the bzrdir should have the same file permissions.
60
a transport connected to the directory this bzr was opened from.
103
def break_lock(self):
104
"""Invoke break_lock on the first object in the bzrdir.
106
If there is a tree, the tree is opened and break_lock() called.
107
Otherwise, branch is tried, and finally repository.
109
# XXX: This seems more like a UI function than something that really
110
# belongs in this class.
112
thing_to_unlock = self.open_workingtree()
113
except (errors.NotLocalUrl, errors.NoWorkingTree):
115
thing_to_unlock = self.open_branch()
116
except errors.NotBranchError:
118
thing_to_unlock = self.open_repository()
119
except errors.NoRepositoryPresent:
121
thing_to_unlock.break_lock()
123
63
def can_convert_format(self):
124
64
"""Return true if this bzrdir is one whose format we can convert from."""
127
def check_conversion_target(self, target_format):
128
target_repo_format = target_format.repository_format
129
source_repo_format = self._format.repository_format
130
source_repo_format.check_conversion_target(target_repo_format)
133
def _check_supported(format, allow_unsupported,
134
recommend_upgrade=True,
136
"""Give an error or warning on old formats.
138
:param format: may be any kind of format - workingtree, branch,
141
:param allow_unsupported: If true, allow opening
142
formats that are strongly deprecated, and which may
143
have limited functionality.
145
:param recommend_upgrade: If true (default), warn
146
the user through the ui object that they may wish
147
to upgrade the object.
67
def _check_supported(self, format, allow_unsupported):
68
"""Check whether format is a supported format.
70
If allow_unsupported is True, this is a no-op.
149
# TODO: perhaps move this into a base Format class; it's not BzrDir
150
# specific. mbp 20070323
151
72
if not allow_unsupported and not format.is_supported():
152
# see open_downlevel to open legacy branches.
153
raise errors.UnsupportedFormatError(format=format)
154
if recommend_upgrade \
155
and getattr(format, 'upgrade_recommended', False):
156
ui.ui_factory.recommend_upgrade(
157
format.get_format_description(),
73
raise errors.UnsupportedFormatError(format)
160
def clone(self, url, revision_id=None, force_new_repo=False,
161
preserve_stacking=False):
75
def clone(self, url, revision_id=None, basis=None, force_new_repo=False):
162
76
"""Clone this bzrdir and its contents to url verbatim.
164
:param url: The url create the clone at. If url's last component does
165
not exist, it will be created.
166
:param revision_id: The tip revision-id to use for any branch or
167
working tree. If not None, then the clone operation may tune
168
itself to download less data.
169
:param force_new_repo: Do not use a shared repository for the target
170
even if one is available.
171
:param preserve_stacking: When cloning a stacked branch, stack the
172
new branch on top of the other branch's stacked-on branch.
174
return self.clone_on_transport(get_transport(url),
175
revision_id=revision_id,
176
force_new_repo=force_new_repo,
177
preserve_stacking=preserve_stacking)
179
def clone_on_transport(self, transport, revision_id=None,
180
force_new_repo=False, preserve_stacking=False,
182
"""Clone this bzrdir and its contents to transport verbatim.
184
:param transport: The transport for the location to produce the clone
185
at. If the target directory does not exist, it will be created.
186
:param revision_id: The tip revision-id to use for any branch or
187
working tree. If not None, then the clone operation may tune
188
itself to download less data.
189
:param force_new_repo: Do not use a shared repository for the target,
190
even if one is available.
191
:param preserve_stacking: When cloning a stacked branch, stack the
192
new branch on top of the other branch's stacked-on branch.
194
transport.ensure_base()
195
require_stacking = (stacked_on is not None)
196
metadir = self.cloning_metadir(require_stacking)
197
result = metadir.initialize_on_transport(transport)
198
repository_policy = None
78
If urls last component does not exist, it will be created.
80
if revision_id is not None, then the clone operation may tune
81
itself to download less data.
82
:param force_new_repo: Do not use a shared repository for the target
83
even if one is available.
86
basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
87
result = self._format.initialize(url)
200
89
local_repo = self.find_repository()
201
90
except errors.NoRepositoryPresent:
204
local_branch = self.open_branch()
205
except errors.NotBranchError:
208
# enable fallbacks when branch is not a branch reference
209
if local_branch.repository.has_same_location(local_repo):
210
local_repo = local_branch.repository
211
if preserve_stacking:
213
stacked_on = local_branch.get_stacked_on_url()
214
except (errors.UnstackableBranchFormat,
215
errors.UnstackableRepositoryFormat,
220
93
# may need to copy content in
221
repository_policy = result.determine_repository_policy(
222
force_new_repo, stacked_on, self.root_transport.base,
223
require_stacking=require_stacking)
224
make_working_trees = local_repo.make_working_trees()
225
result_repo = repository_policy.acquire_repository(
226
make_working_trees, local_repo.is_shared())
227
result_repo.fetch(local_repo, revision_id=revision_id)
95
local_repo.clone(result, revision_id=revision_id, basis=basis_repo)
98
result_repo = result.find_repository()
99
# fetch content this dir needs.
101
# XXX FIXME RBC 20060214 need tests for this when the basis
103
result_repo.fetch(basis_repo, revision_id=revision_id)
104
result_repo.fetch(local_repo, revision_id=revision_id)
105
except errors.NoRepositoryPresent:
106
# needed to make one anyway.
107
local_repo.clone(result, revision_id=revision_id, basis=basis_repo)
230
108
# 1 if there is a branch present
231
109
# make sure its content is available in the target repository
233
if local_branch is not None:
234
result_branch = local_branch.clone(result, revision_id=revision_id)
235
if repository_policy is not None:
236
repository_policy.configure_branch(result_branch)
237
if result_repo is None or result_repo.make_working_trees():
112
self.open_branch().clone(result, revision_id=revision_id)
113
except errors.NotBranchError:
116
self.open_workingtree().clone(result, basis=basis_tree)
117
except (errors.NoWorkingTree, errors.NotLocalUrl):
121
def _get_basis_components(self, basis):
122
"""Retrieve the basis components that are available at basis."""
124
return None, None, None
126
basis_tree = basis.open_workingtree()
127
basis_branch = basis_tree.branch
128
basis_repo = basis_branch.repository
129
except (errors.NoWorkingTree, errors.NotLocalUrl):
239
self.open_workingtree().clone(result)
240
except (errors.NoWorkingTree, errors.NotLocalUrl):
132
basis_branch = basis.open_branch()
133
basis_repo = basis_branch.repository
134
except errors.NotBranchError:
137
basis_repo = basis.open_repository()
138
except errors.NoRepositoryPresent:
140
return basis_repo, basis_branch, basis_tree
244
# TODO: This should be given a Transport, and should chdir up; otherwise
245
# this will open a new connection.
246
142
def _make_tail(self, url):
247
t = get_transport(url)
143
segments = url.split('/')
144
if segments and segments[-1] not in ('', '.'):
145
parent = '/'.join(segments[:-1])
146
t = bzrlib.transport.get_transport(parent)
148
t.mkdir(segments[-1])
149
except errors.FileExists:
251
def create(cls, base, format=None, possible_transports=None):
252
154
"""Create a new BzrDir at the url 'base'.
254
:param format: If supplied, the format of branch to create. If not
255
supplied, the default is used.
256
:param possible_transports: If supplied, a list of transports that
257
can be reused to share a remote connection.
259
if cls is not BzrDir:
260
raise AssertionError("BzrDir.create always creates the default"
261
" format, not one of %r" % cls)
262
t = get_transport(base, possible_transports)
265
format = BzrDirFormat.get_default_format()
266
return format.initialize_on_transport(t)
269
def find_bzrdirs(transport, evaluate=None, list_current=None):
270
"""Find bzrdirs recursively from current location.
272
This is intended primarily as a building block for more sophisticated
273
functionality, like finding trees under a directory, or finding
274
branches that use a given repository.
275
:param evaluate: An optional callable that yields recurse, value,
276
where recurse controls whether this bzrdir is recursed into
277
and value is the value to yield. By default, all bzrdirs
278
are recursed into, and the return value is the bzrdir.
279
:param list_current: if supplied, use this function to list the current
280
directory, instead of Transport.list_dir
281
:return: a generator of found bzrdirs, or whatever evaluate returns.
283
if list_current is None:
284
def list_current(transport):
285
return transport.list_dir('')
287
def evaluate(bzrdir):
290
pending = [transport]
291
while len(pending) > 0:
292
current_transport = pending.pop()
295
bzrdir = BzrDir.open_from_transport(current_transport)
296
except errors.NotBranchError:
299
recurse, value = evaluate(bzrdir)
302
subdirs = list_current(current_transport)
303
except errors.NoSuchFile:
306
for subdir in sorted(subdirs, reverse=True):
307
pending.append(current_transport.clone(subdir))
310
def find_branches(transport):
311
"""Find all branches under a transport.
313
This will find all branches below the transport, including branches
314
inside other branches. Where possible, it will use
315
Repository.find_branches.
317
To list all the branches that use a particular Repository, see
318
Repository.find_branches
320
def evaluate(bzrdir):
322
repository = bzrdir.open_repository()
323
except errors.NoRepositoryPresent:
326
return False, (None, repository)
328
branch = bzrdir.open_branch()
329
except errors.NotBranchError:
330
return True, (None, None)
332
return True, (branch, None)
334
for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
336
branches.extend(repo.find_branches())
337
if branch is not None:
338
branches.append(branch)
341
def destroy_repository(self):
342
"""Destroy the repository in this BzrDir"""
343
raise NotImplementedError(self.destroy_repository)
156
This will call the current default formats initialize with base
157
as the only parameter.
159
If you need a specific format, consider creating an instance
160
of that and calling initialize().
162
segments = base.split('/')
163
if segments and segments[-1] not in ('', '.'):
164
parent = '/'.join(segments[:-1])
165
t = bzrlib.transport.get_transport(parent)
167
t.mkdir(segments[-1])
168
except errors.FileExists:
170
return BzrDirFormat.get_default_format().initialize(safe_unicode(base))
345
172
def create_branch(self):
346
173
"""Create a branch in this BzrDir.
348
The bzrdir's format will control what branch format is created.
175
The bzrdirs format will control what branch format is created.
349
176
For more control see BranchFormatXX.create(a_bzrdir).
351
178
raise NotImplementedError(self.create_branch)
353
def destroy_branch(self):
354
"""Destroy the branch in this BzrDir"""
355
raise NotImplementedError(self.destroy_branch)
358
def create_branch_and_repo(base, force_new_repo=False, format=None):
181
def create_branch_and_repo(base, force_new_repo=False):
359
182
"""Create a new BzrDir, Branch and Repository at the url 'base'.
361
This will use the current default BzrDirFormat unless one is
362
specified, and use whatever
184
This will use the current default BzrDirFormat, and use whatever
363
185
repository format that that uses via bzrdir.create_branch and
364
186
create_repository. If a shared repository is available that is used
468
227
:param force_new_repo: If True a new repository is always created.
469
228
:param force_new_tree: If True or False force creation of a tree or
470
229
prevent such creation respectively.
471
:param format: Override for the bzrdir format to create.
472
:param possible_transports: An optional reusable transports list.
474
231
if force_new_tree:
475
232
# check for non local urls
476
t = get_transport(base, possible_transports)
233
t = get_transport(safe_unicode(base))
477
234
if not isinstance(t, LocalTransport):
478
235
raise errors.NotLocalUrl(base)
479
bzrdir = BzrDir.create(base, format, possible_transports)
236
bzrdir = BzrDir.create(base)
480
237
repo = bzrdir._find_or_create_repository(force_new_repo)
481
238
result = bzrdir.create_branch()
482
if force_new_tree or (repo.make_working_trees() and
239
if force_new_tree or (repo.make_working_trees() and
483
240
force_new_tree is None):
485
242
bzrdir.create_workingtree()
486
243
except errors.NotLocalUrl:
491
def create_standalone_workingtree(base, format=None):
248
def create_repository(base, shared=False):
249
"""Create a new BzrDir and Repository at the url 'base'.
251
This will use the current default BzrDirFormat, and use whatever
252
repository format that that uses for bzrdirformat.create_repository.
254
;param shared: Create a shared repository rather than a standalone
256
The Repository object is returned.
258
This must be overridden as an instance method in child classes, where
259
it should take no parameters and construct whatever repository format
260
that child class desires.
262
bzrdir = BzrDir.create(base)
263
return bzrdir.create_repository()
266
def create_standalone_workingtree(base):
492
267
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
494
269
'base' must be a local path or a file:// url.
496
This will use the current default BzrDirFormat unless one is
497
specified, and use whatever
271
This will use the current default BzrDirFormat, and use whatever
498
272
repository format that that uses for bzrdirformat.create_workingtree,
499
273
create_branch and create_repository.
501
:param format: Override for the bzrdir format to create.
502
:return: The WorkingTree object.
275
The WorkingTree object is returned.
504
t = get_transport(base)
277
t = get_transport(safe_unicode(base))
505
278
if not isinstance(t, LocalTransport):
506
279
raise errors.NotLocalUrl(base)
507
bzrdir = BzrDir.create_branch_and_repo(base,
509
format=format).bzrdir
280
bzrdir = BzrDir.create_branch_and_repo(safe_unicode(base),
281
force_new_repo=True).bzrdir
510
282
return bzrdir.create_workingtree()
512
def create_workingtree(self, revision_id=None, from_branch=None,
513
accelerator_tree=None, hardlink=False):
284
def create_workingtree(self, revision_id=None):
514
285
"""Create a working tree at this BzrDir.
516
:param revision_id: create it as of this revision id.
517
:param from_branch: override bzrdir branch (for lightweight checkouts)
518
:param accelerator_tree: A tree which can be used for retrieving file
519
contents more quickly than the revision tree, i.e. a workingtree.
520
The revision tree will be used for cases where accelerator_tree's
521
content is different.
287
revision_id: create it as of this revision id.
523
289
raise NotImplementedError(self.create_workingtree)
525
def retire_bzrdir(self, limit=10000):
526
"""Permanently disable the bzrdir.
528
This is done by renaming it to give the user some ability to recover
529
if there was a problem.
531
This will have horrible consequences if anyone has anything locked or
533
:param limit: number of times to retry
538
to_path = '.bzr.retired.%d' % i
539
self.root_transport.rename('.bzr', to_path)
540
note("renamed %s to %s"
541
% (self.root_transport.abspath('.bzr'), to_path))
543
except (errors.TransportError, IOError, errors.PathError):
550
def destroy_workingtree(self):
551
"""Destroy the working tree at this BzrDir.
553
Formats that do not support this may raise UnsupportedOperation.
555
raise NotImplementedError(self.destroy_workingtree)
557
def destroy_workingtree_metadata(self):
558
"""Destroy the control files for the working tree at this BzrDir.
560
The contents of working tree files are not affected.
561
Formats that do not support this may raise UnsupportedOperation.
563
raise NotImplementedError(self.destroy_workingtree_metadata)
565
def _find_containing(self, evaluate):
566
"""Find something in a containing control directory.
568
This method will scan containing control dirs, until it finds what
569
it is looking for, decides that it will never find it, or runs out
570
of containing control directories to check.
572
It is used to implement find_repository and
573
determine_repository_policy.
575
:param evaluate: A function returning (value, stop). If stop is True,
576
the value will be returned.
580
result, stop = evaluate(found_bzrdir)
583
next_transport = found_bzrdir.root_transport.clone('..')
584
if (found_bzrdir.root_transport.base == next_transport.base):
585
# top of the file system
587
# find the next containing bzrdir
589
found_bzrdir = BzrDir.open_containing_from_transport(
591
except errors.NotBranchError:
594
291
def find_repository(self):
595
"""Find the repository that should be used.
292
"""Find the repository that should be used for a_bzrdir.
597
294
This does not require a branch as we use it to find the repo for
598
295
new branches as well as to hook existing branches up to their
601
def usable_repository(found_bzrdir):
602
# does it have a repository ?
299
return self.open_repository()
300
except errors.NoRepositoryPresent:
302
next_transport = self.root_transport.clone('..')
305
found_bzrdir = BzrDir.open_containing_from_transport(
307
except errors.NotBranchError:
308
raise errors.NoRepositoryPresent(self)
604
310
repository = found_bzrdir.open_repository()
605
311
except errors.NoRepositoryPresent:
607
if found_bzrdir.root_transport.base == self.root_transport.base:
608
return repository, True
609
elif repository.is_shared():
610
return repository, True
312
next_transport = found_bzrdir.root_transport.clone('..')
314
if ((found_bzrdir.root_transport.base ==
315
self.root_transport.base) or repository.is_shared()):
614
found_repo = self._find_containing(usable_repository)
615
if found_repo is None:
616
raise errors.NoRepositoryPresent(self)
619
def get_branch_reference(self):
620
"""Return the referenced URL for the branch in this bzrdir.
622
:raises NotBranchError: If there is no Branch.
623
:return: The URL the branch in this bzrdir references if it is a
624
reference branch, or None for regular branches.
318
raise errors.NoRepositoryPresent(self)
319
raise errors.NoRepositoryPresent(self)
628
321
def get_branch_transport(self, branch_format):
629
322
"""Get the transport for use by branch format in this BzrDir.
631
324
Note that bzr dirs that do not support format strings will raise
632
325
IncompatibleFormat if the branch format they are given has
633
a format string, and vice versa.
326
a format string, and vice verca.
635
328
If branch_format is None, the transport is returned with no
636
checking. If it is not None, then the returned transport is
329
checking. if it is not None, then the returned transport is
637
330
guaranteed to point to an existing directory ready for use.
639
332
raise NotImplementedError(self.get_branch_transport)
641
def _find_creation_modes(self):
642
"""Determine the appropriate modes for files and directories.
644
They're always set to be consistent with the base directory,
645
assuming that this transport allows setting modes.
647
# TODO: Do we need or want an option (maybe a config setting) to turn
648
# this off or override it for particular locations? -- mbp 20080512
649
if self._mode_check_done:
651
self._mode_check_done = True
653
st = self.transport.stat('.')
654
except errors.TransportNotPossible:
655
self._dir_mode = None
656
self._file_mode = None
658
# Check the directory mode, but also make sure the created
659
# directories and files are read-write for this user. This is
660
# mostly a workaround for filesystems which lie about being able to
661
# write to a directory (cygwin & win32)
662
if (st.st_mode & 07777 == 00000):
663
# FTP allows stat but does not return dir/file modes
664
self._dir_mode = None
665
self._file_mode = None
667
self._dir_mode = (st.st_mode & 07777) | 00700
668
# Remove the sticky and execute bits for files
669
self._file_mode = self._dir_mode & ~07111
671
def _get_file_mode(self):
672
"""Return Unix mode for newly created files, or None.
674
if not self._mode_check_done:
675
self._find_creation_modes()
676
return self._file_mode
678
def _get_dir_mode(self):
679
"""Return Unix mode for newly created directories, or None.
681
if not self._mode_check_done:
682
self._find_creation_modes()
683
return self._dir_mode
685
334
def get_repository_transport(self, repository_format):
686
335
"""Get the transport for use by repository format in this BzrDir.
688
337
Note that bzr dirs that do not support format strings will raise
689
338
IncompatibleFormat if the repository format they are given has
690
a format string, and vice versa.
339
a format string, and vice verca.
692
341
If repository_format is None, the transport is returned with no
693
checking. If it is not None, then the returned transport is
342
checking. if it is not None, then the returned transport is
694
343
guaranteed to point to an existing directory ready for use.
696
345
raise NotImplementedError(self.get_repository_transport)
844
434
If there is one and it is either an unrecognised format or an unsupported
845
435
format, UnknownFormatError or UnsupportedFormatError are raised.
846
436
If there is one, it is returned, along with the unused portion of url.
848
:return: The BzrDir that contains the path, and a Unicode path
849
for the rest of the URL.
851
438
# this gets the normalised url back. I.e. '.' -> the full path.
852
439
url = a_transport.base
855
result = BzrDir.open_from_transport(a_transport)
856
return result, urlutils.unescape(a_transport.relpath(url))
442
format = BzrDirFormat.find_format(a_transport)
443
return format.open(a_transport), a_transport.relpath(url)
857
444
except errors.NotBranchError, e:
860
new_t = a_transport.clone('..')
861
except errors.InvalidURLJoin:
862
# reached the root, whatever that may be
863
raise errors.NotBranchError(path=url)
445
mutter('not a branch in: %r %s', a_transport.base, e)
446
new_t = a_transport.clone('..')
864
447
if new_t.base == a_transport.base:
865
448
# reached the root, whatever that may be
866
449
raise errors.NotBranchError(path=url)
867
450
a_transport = new_t
869
def _get_tree_branch(self):
870
"""Return the branch and tree, if any, for this bzrdir.
872
Return None for tree if not present or inaccessible.
873
Raise NotBranchError if no branch is present.
874
:return: (tree, branch)
877
tree = self.open_workingtree()
878
except (errors.NoWorkingTree, errors.NotLocalUrl):
880
branch = self.open_branch()
886
def open_tree_or_branch(klass, location):
887
"""Return the branch and working tree at a location.
889
If there is no tree at the location, tree will be None.
890
If there is no branch at the location, an exception will be
892
:return: (tree, branch)
894
bzrdir = klass.open(location)
895
return bzrdir._get_tree_branch()
898
def open_containing_tree_or_branch(klass, location):
899
"""Return the branch and working tree contained by a location.
901
Returns (tree, branch, relpath).
902
If there is no tree at containing the location, tree will be None.
903
If there is no branch containing the location, an exception will be
905
relpath is the portion of the path that is contained by the branch.
907
bzrdir, relpath = klass.open_containing(location)
908
tree, branch = bzrdir._get_tree_branch()
909
return tree, branch, relpath
912
def open_containing_tree_branch_or_repository(klass, location):
913
"""Return the working tree, branch and repo contained by a location.
915
Returns (tree, branch, repository, relpath).
916
If there is no tree containing the location, tree will be None.
917
If there is no branch containing the location, branch will be None.
918
If there is no repository containing the location, repository will be
920
relpath is the portion of the path that is contained by the innermost
923
If no tree, branch or repository is found, a NotBranchError is raised.
925
bzrdir, relpath = klass.open_containing(location)
927
tree, branch = bzrdir._get_tree_branch()
928
except errors.NotBranchError:
930
repo = bzrdir.find_repository()
931
return None, None, repo, relpath
932
except (errors.NoRepositoryPresent):
933
raise errors.NotBranchError(location)
934
return tree, branch, branch.repository, relpath
936
452
def open_repository(self, _unsupported=False):
937
453
"""Open the repository object at this BzrDir if one is present.
939
This will not follow the Branch object pointer - it's strictly a direct
455
This will not follow the Branch object pointer - its strictly a direct
940
456
open facility. Most client code should use open_branch().repository to
941
457
get at a repository.
943
:param _unsupported: a private parameter, not part of the api.
459
_unsupported is a private parameter, not part of the api.
944
460
TODO: static convenience version of this?
946
462
raise NotImplementedError(self.open_repository)
948
def open_workingtree(self, _unsupported=False,
949
recommend_upgrade=True, from_branch=None):
464
def open_workingtree(self, _unsupported=False):
950
465
"""Open the workingtree object at this BzrDir if one is present.
952
:param recommend_upgrade: Optional keyword parameter, when True (the
953
default), emit through the ui module a recommendation that the user
954
upgrade the working tree when the workingtree being opened is old
955
(but still fully supported).
956
:param from_branch: override bzrdir branch (for lightweight checkouts)
467
TODO: static convenience version of this?
958
469
raise NotImplementedError(self.open_workingtree)
960
def has_branch(self):
961
"""Tell if this bzrdir contains a branch.
963
Note: if you're going to open the branch, you should just go ahead
964
and try, and not ask permission first. (This method just opens the
965
branch and discards it, and that's somewhat expensive.)
970
except errors.NotBranchError:
973
def has_workingtree(self):
974
"""Tell if this bzrdir contains a working tree.
976
This will still raise an exception if the bzrdir has a workingtree that
977
is remote & inaccessible.
979
Note: if you're going to open the working tree, you should just go ahead
980
and try, and not ask permission first. (This method just opens the
981
workingtree and discards it, and that's somewhat expensive.)
984
self.open_workingtree(recommend_upgrade=False)
986
except errors.NoWorkingTree:
989
def _cloning_metadir(self):
990
"""Produce a metadir suitable for cloning with.
992
:returns: (destination_bzrdir_format, source_repository)
994
result_format = self._format.__class__()
997
branch = self.open_branch()
998
source_repository = branch.repository
999
result_format._branch_format = branch._format
1000
except errors.NotBranchError:
1001
source_branch = None
1002
source_repository = self.open_repository()
1003
except errors.NoRepositoryPresent:
1004
source_repository = None
1006
# XXX TODO: This isinstance is here because we have not implemented
1007
# the fix recommended in bug # 103195 - to delegate this choice the
1008
# repository itself.
1009
repo_format = source_repository._format
1010
if not isinstance(repo_format, remote.RemoteRepositoryFormat):
1011
result_format.repository_format = repo_format
1013
# TODO: Couldn't we just probe for the format in these cases,
1014
# rather than opening the whole tree? It would be a little
1015
# faster. mbp 20070401
1016
tree = self.open_workingtree(recommend_upgrade=False)
1017
except (errors.NoWorkingTree, errors.NotLocalUrl):
1018
result_format.workingtree_format = None
1020
result_format.workingtree_format = tree._format.__class__()
1021
return result_format, source_repository
1023
def cloning_metadir(self, require_stacking=False):
1024
"""Produce a metadir suitable for cloning or sprouting with.
1026
These operations may produce workingtrees (yes, even though they're
1027
"cloning" something that doesn't have a tree), so a viable workingtree
1028
format must be selected.
1030
:require_stacking: If True, non-stackable formats will be upgraded
1031
to similar stackable formats.
1032
:returns: a BzrDirFormat with all component formats either set
1033
appropriately or set to None if that component should not be
1036
format, repository = self._cloning_metadir()
1037
if format._workingtree_format is None:
1038
if repository is None:
1040
tree_format = repository._format._matchingbzrdir.workingtree_format
1041
format.workingtree_format = tree_format.__class__()
1042
if (require_stacking and not
1043
format.get_branch_format().supports_stacking()):
1044
# We need to make a stacked branch, but the default format for the
1045
# target doesn't support stacking. So force a branch that *can*
1047
from bzrlib.branch import BzrBranchFormat7
1048
format._branch_format = BzrBranchFormat7()
1049
mutter("using %r for stacking" % (format._branch_format,))
1050
from bzrlib.repofmt import pack_repo
1051
if format.repository_format.rich_root_data:
1052
bzrdir_format_name = '1.6.1-rich-root'
1053
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
1055
bzrdir_format_name = '1.6'
1056
repo_format = pack_repo.RepositoryFormatKnitPack5()
1057
note('Source format does not support stacking, using format:'
1059
bzrdir_format_name, repo_format.get_format_description())
1060
format.repository_format = repo_format
1063
def checkout_metadir(self):
1064
return self.cloning_metadir()
1066
def sprout(self, url, revision_id=None, force_new_repo=False,
1067
recurse='down', possible_transports=None,
1068
accelerator_tree=None, hardlink=False, stacked=False):
471
def sprout(self, url, revision_id=None, basis=None, force_new_repo=False):
1069
472
"""Create a copy of this bzrdir prepared for use as a new line of
1072
If url's last component does not exist, it will be created.
475
If urls last component does not exist, it will be created.
1074
477
Attributes related to the identity of the source branch like
1075
478
branch nickname will be cleaned, a working tree is created
1079
482
if revision_id is not None, then the clone operation may tune
1080
483
itself to download less data.
1081
:param accelerator_tree: A tree which can be used for retrieving file
1082
contents more quickly than the revision tree, i.e. a workingtree.
1083
The revision tree will be used for cases where accelerator_tree's
1084
content is different.
1085
:param hardlink: If true, hard-link files from accelerator_tree,
1087
:param stacked: If true, create a stacked branch referring to the
1088
location of this control directory.
1090
target_transport = get_transport(url, possible_transports)
1091
target_transport.ensure_base()
1092
cloning_format = self.cloning_metadir(stacked)
1093
# Create/update the result branch
1094
result = cloning_format.initialize_on_transport(target_transport)
486
result = self._format.initialize(url)
487
basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
1096
489
source_branch = self.open_branch()
1097
490
source_repository = source_branch.repository
1099
stacked_branch_url = self.root_transport.base
1101
# if a stacked branch wasn't requested, we don't create one
1102
# even if the origin was stacked
1103
stacked_branch_url = None
1104
491
except errors.NotBranchError:
1105
492
source_branch = None
1107
494
source_repository = self.open_repository()
1108
495
except errors.NoRepositoryPresent:
1109
source_repository = None
1110
stacked_branch_url = None
1111
repository_policy = result.determine_repository_policy(
1112
force_new_repo, stacked_branch_url, require_stacking=stacked)
1113
result_repo = repository_policy.acquire_repository()
1114
if source_repository is not None:
1115
# Fetch while stacked to prevent unstacked fetch from
496
# copy the entire basis one if there is one
497
# but there is no repository.
498
source_repository = basis_repo
503
result_repo = result.find_repository()
504
except errors.NoRepositoryPresent:
506
if source_repository is None and result_repo is not None:
508
elif source_repository is None and result_repo is None:
509
# no repo available, make a new one
510
result.create_repository()
511
elif source_repository is not None and result_repo is None:
512
# have soure, and want to make a new target repo
513
source_repository.clone(result,
514
revision_id=revision_id,
517
# fetch needed content into target.
519
# XXX FIXME RBC 20060214 need tests for this when the basis
521
result_repo.fetch(basis_repo, revision_id=revision_id)
1117
522
result_repo.fetch(source_repository, revision_id=revision_id)
1119
if source_branch is None:
1120
# this is for sprouting a bzrdir without a branch; is that
1122
# Not especially, but it's part of the contract.
1123
result_branch = result.create_branch()
1125
# Force NULL revision to avoid using repository before stacking
1127
result_branch = source_branch.sprout(
1128
result, revision_id=_mod_revision.NULL_REVISION)
1129
parent_location = result_branch.get_parent()
1130
mutter("created new branch %r" % (result_branch,))
1131
repository_policy.configure_branch(result_branch)
1132
523
if source_branch is not None:
1133
source_branch.copy_content_into(result_branch, revision_id)
1134
# Override copy_content_into
1135
result_branch.set_parent(parent_location)
1137
# Create/update the result working tree
1138
if isinstance(target_transport, LocalTransport) and (
1139
result_repo is None or result_repo.make_working_trees()):
1140
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1144
if wt.path2id('') is None:
1146
wt.set_root_id(self.open_workingtree.get_root_id())
1147
except errors.NoWorkingTree:
524
source_branch.sprout(result, revision_id=revision_id)
1153
if recurse == 'down':
1155
basis = wt.basis_tree()
1157
subtrees = basis.iter_references()
1158
elif source_branch is not None:
1159
basis = source_branch.basis_tree()
1161
subtrees = basis.iter_references()
1166
for path, file_id in subtrees:
1167
target = urlutils.join(url, urlutils.escape(path))
1168
sublocation = source_branch.reference_parent(file_id, path)
1169
sublocation.bzrdir.sprout(target,
1170
basis.get_reference_revision(file_id, path),
1171
force_new_repo=force_new_repo, recurse=recurse,
1174
if basis is not None:
526
result.create_branch()
527
result.create_workingtree()
2431
1556
# find out whats there
2432
1557
self.step('Finding branch files')
2433
last_revision = self.bzrdir.open_branch().last_revision()
1558
last_revision = self.bzrdir.open_workingtree().last_revision()
2434
1559
bzrcontents = self.bzrdir.transport.list_dir('.')
2435
1560
for name in bzrcontents:
2436
1561
if name.startswith('basis-inventory.'):
2437
1562
self.garbage_inventories.append(name)
2438
1563
# create new directories for repository, working tree and branch
1564
dir_mode = self.bzrdir._control_files._dir_mode
1565
self.file_mode = self.bzrdir._control_files._file_mode
2439
1566
repository_names = [('inventory.weave', True),
2440
1567
('revision-store', True),
2441
1568
('weaves', True)]
2442
1569
self.step('Upgrading repository ')
2443
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
1570
self.bzrdir.transport.mkdir('repository', mode=dir_mode)
2444
1571
self.make_lock('repository')
2445
1572
# we hard code the formats here because we are converting into
2446
1573
# the meta format. The meta format upgrader can take this to a
2447
1574
# future format within each component.
2448
self.put_format('repository', RepositoryFormat7())
1575
self.put_format('repository', bzrlib.repository.RepositoryFormat7())
2449
1576
for entry in repository_names:
2450
1577
self.move_entry('repository', entry)
2452
1579
self.step('Upgrading branch ')
2453
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
1580
self.bzrdir.transport.mkdir('branch', mode=dir_mode)
2454
1581
self.make_lock('branch')
2455
self.put_format('branch', BzrBranchFormat5())
1582
self.put_format('branch', bzrlib.branch.BzrBranchFormat5())
2456
1583
branch_files = [('revision-history', True),
2457
1584
('branch-name', True),
2458
1585
('parent', False)]
2459
1586
for entry in branch_files:
2460
1587
self.move_entry('branch', entry)
1589
self.step('Upgrading working tree')
1590
self.bzrdir.transport.mkdir('checkout', mode=dir_mode)
1591
self.make_lock('checkout')
1592
self.put_format('checkout', bzrlib.workingtree.WorkingTreeFormat3())
1593
self.bzrdir.transport.delete_multi(self.garbage_inventories, self.pb)
2462
1594
checkout_files = [('pending-merges', True),
2463
1595
('inventory', True),
2464
1596
('stat-cache', False)]
2465
# If a mandatory checkout file is not present, the branch does not have
2466
# a functional checkout. Do not create a checkout in the converted
2468
for name, mandatory in checkout_files:
2469
if mandatory and name not in bzrcontents:
2470
has_checkout = False
2474
if not has_checkout:
2475
self.pb.note('No working tree.')
2476
# If some checkout files are there, we may as well get rid of them.
2477
for name, mandatory in checkout_files:
2478
if name in bzrcontents:
2479
self.bzrdir.transport.delete(name)
2481
from bzrlib.workingtree import WorkingTreeFormat3
2482
self.step('Upgrading working tree')
2483
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2484
self.make_lock('checkout')
2486
'checkout', WorkingTreeFormat3())
2487
self.bzrdir.transport.delete_multi(
2488
self.garbage_inventories, self.pb)
2489
for entry in checkout_files:
2490
self.move_entry('checkout', entry)
2491
if last_revision is not None:
2492
self.bzrdir.transport.put_bytes(
2493
'checkout/last-revision', last_revision)
2494
self.bzrdir.transport.put_bytes(
2496
BzrDirMetaFormat1().get_format_string(),
2497
mode=self.file_mode)
1597
for entry in checkout_files:
1598
self.move_entry('checkout', entry)
1599
if last_revision is not None:
1600
self.bzrdir._control_files.put_utf8('checkout/last-revision',
1602
self.bzrdir._control_files.put_utf8('branch-format', BzrDirMetaFormat1().get_format_string())
2498
1603
return BzrDir.open(self.bzrdir.root_transport.base)
2500
1605
def make_lock(self, name):
2501
1606
"""Make a lock for the new control dir name."""
2502
1607
self.step('Make %s lock' % name)
2503
ld = lockdir.LockDir(self.bzrdir.transport,
2505
file_modebits=self.file_mode,
2506
dir_modebits=self.dir_mode)
1608
self.bzrdir.transport.put('%s/lock' % name, StringIO(), mode=self.file_mode)
2509
1610
def move_entry(self, new_dir, entry):
2510
1611
"""Move then entry name into new_dir."""
2550
1649
self.pb.note('starting repository conversion')
2551
1650
converter = CopyConverter(self.target_format.repository_format)
2552
1651
converter.convert(repo, pb)
2554
branch = self.bzrdir.open_branch()
2555
except errors.NotBranchError:
2558
# TODO: conversions of Branch and Tree should be done by
2559
# InterXFormat lookups/some sort of registry.
2560
# Avoid circular imports
2561
from bzrlib import branch as _mod_branch
2562
old = branch._format.__class__
2563
new = self.target_format.get_branch_format().__class__
2565
if (old == _mod_branch.BzrBranchFormat5 and
2566
new in (_mod_branch.BzrBranchFormat6,
2567
_mod_branch.BzrBranchFormat7)):
2568
branch_converter = _mod_branch.Converter5to6()
2569
elif (old == _mod_branch.BzrBranchFormat6 and
2570
new == _mod_branch.BzrBranchFormat7):
2571
branch_converter = _mod_branch.Converter6to7()
2573
raise errors.BadConversionTarget("No converter", new)
2574
branch_converter.convert(branch)
2575
branch = self.bzrdir.open_branch()
2576
old = branch._format.__class__
2578
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2579
except (errors.NoWorkingTree, errors.NotLocalUrl):
2582
# TODO: conversions of Branch and Tree should be done by
2583
# InterXFormat lookups
2584
if (isinstance(tree, workingtree.WorkingTree3) and
2585
not isinstance(tree, workingtree_4.WorkingTree4) and
2586
isinstance(self.target_format.workingtree_format,
2587
workingtree_4.WorkingTreeFormat4)):
2588
workingtree_4.Converter3to4().convert(tree)
2589
1652
return to_convert
2592
# This is not in remote.py because it's small, and needs to be registered.
2593
# Putting it in remote.py creates a circular import problem.
2594
# we can make it a lazy object if the control formats is turned into something
2596
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2597
"""Format representing bzrdirs accessed via a smart server"""
2599
def get_format_description(self):
2600
return 'bzr remote bzrdir'
2603
def probe_transport(klass, transport):
2604
"""Return a RemoteBzrDirFormat object if it looks possible."""
2606
medium = transport.get_smart_medium()
2607
except (NotImplementedError, AttributeError,
2608
errors.TransportNotPossible, errors.NoSmartMedium,
2609
errors.SmartProtocolError):
2610
# no smart server, so not a branch for this format type.
2611
raise errors.NotBranchError(path=transport.base)
2613
# Decline to open it if the server doesn't support our required
2614
# version (3) so that the VFS-based transport will do it.
2615
if medium.should_probe():
2617
server_version = medium.protocol_version()
2618
except errors.SmartProtocolError:
2619
# Apparently there's no usable smart server there, even though
2620
# the medium supports the smart protocol.
2621
raise errors.NotBranchError(path=transport.base)
2622
if server_version != '2':
2623
raise errors.NotBranchError(path=transport.base)
2626
def initialize_on_transport(self, transport):
2628
# hand off the request to the smart server
2629
client_medium = transport.get_smart_medium()
2630
except errors.NoSmartMedium:
2631
# TODO: lookup the local format from a server hint.
2632
local_dir_format = BzrDirMetaFormat1()
2633
return local_dir_format.initialize_on_transport(transport)
2634
client = _SmartClient(client_medium)
2635
path = client.remote_path_from_transport(transport)
2636
response = client.call('BzrDirFormat.initialize', path)
2637
if response[0] != 'ok':
2638
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2639
return remote.RemoteBzrDir(transport)
2641
def _open(self, transport):
2642
return remote.RemoteBzrDir(transport)
2644
def __eq__(self, other):
2645
if not isinstance(other, RemoteBzrDirFormat):
2647
return self.get_format_description() == other.get_format_description()
2650
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2653
class BzrDirFormatInfo(object):
2655
def __init__(self, native, deprecated, hidden, experimental):
2656
self.deprecated = deprecated
2657
self.native = native
2658
self.hidden = hidden
2659
self.experimental = experimental
2662
class BzrDirFormatRegistry(registry.Registry):
2663
"""Registry of user-selectable BzrDir subformats.
2665
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2666
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2670
"""Create a BzrDirFormatRegistry."""
2671
self._aliases = set()
2672
super(BzrDirFormatRegistry, self).__init__()
2675
"""Return a set of the format names which are aliases."""
2676
return frozenset(self._aliases)
2678
def register_metadir(self, key,
2679
repository_format, help, native=True, deprecated=False,
2685
"""Register a metadir subformat.
2687
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2688
by the Repository format.
2690
:param repository_format: The fully-qualified repository format class
2692
:param branch_format: Fully-qualified branch format class name as
2694
:param tree_format: Fully-qualified tree format class name as
2697
# This should be expanded to support setting WorkingTree and Branch
2698
# formats, once BzrDirMetaFormat1 supports that.
2699
def _load(full_name):
2700
mod_name, factory_name = full_name.rsplit('.', 1)
2702
mod = __import__(mod_name, globals(), locals(),
2704
except ImportError, e:
2705
raise ImportError('failed to load %s: %s' % (full_name, e))
2707
factory = getattr(mod, factory_name)
2708
except AttributeError:
2709
raise AttributeError('no factory %s in module %r'
2714
bd = BzrDirMetaFormat1()
2715
if branch_format is not None:
2716
bd.set_branch_format(_load(branch_format))
2717
if tree_format is not None:
2718
bd.workingtree_format = _load(tree_format)
2719
if repository_format is not None:
2720
bd.repository_format = _load(repository_format)
2722
self.register(key, helper, help, native, deprecated, hidden,
2723
experimental, alias)
2725
def register(self, key, factory, help, native=True, deprecated=False,
2726
hidden=False, experimental=False, alias=False):
2727
"""Register a BzrDirFormat factory.
2729
The factory must be a callable that takes one parameter: the key.
2730
It must produce an instance of the BzrDirFormat when called.
2732
This function mainly exists to prevent the info object from being
2735
registry.Registry.register(self, key, factory, help,
2736
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2738
self._aliases.add(key)
2740
def register_lazy(self, key, module_name, member_name, help, native=True,
2741
deprecated=False, hidden=False, experimental=False, alias=False):
2742
registry.Registry.register_lazy(self, key, module_name, member_name,
2743
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2745
self._aliases.add(key)
2747
def set_default(self, key):
2748
"""Set the 'default' key to be a clone of the supplied key.
2750
This method must be called once and only once.
2752
registry.Registry.register(self, 'default', self.get(key),
2753
self.get_help(key), info=self.get_info(key))
2754
self._aliases.add('default')
2756
def set_default_repository(self, key):
2757
"""Set the FormatRegistry default and Repository default.
2759
This is a transitional method while Repository.set_default_format
2762
if 'default' in self:
2763
self.remove('default')
2764
self.set_default(key)
2765
format = self.get('default')()
2767
def make_bzrdir(self, key):
2768
return self.get(key)()
2770
def help_topic(self, topic):
2771
output = textwrap.dedent("""\
2772
These formats can be used for creating branches, working trees, and
2776
default_realkey = None
2777
default_help = self.get_help('default')
2779
for key in self.keys():
2780
if key == 'default':
2782
help = self.get_help(key)
2783
if help == default_help:
2784
default_realkey = key
2786
help_pairs.append((key, help))
2788
def wrapped(key, help, info):
2790
help = '(native) ' + help
2791
return ':%s:\n%s\n\n' % (key,
2792
textwrap.fill(help, initial_indent=' ',
2793
subsequent_indent=' '))
2794
if default_realkey is not None:
2795
output += wrapped(default_realkey, '(default) %s' % default_help,
2796
self.get_info('default'))
2797
deprecated_pairs = []
2798
experimental_pairs = []
2799
for key, help in help_pairs:
2800
info = self.get_info(key)
2803
elif info.deprecated:
2804
deprecated_pairs.append((key, help))
2805
elif info.experimental:
2806
experimental_pairs.append((key, help))
2808
output += wrapped(key, help, info)
2809
if len(experimental_pairs) > 0:
2810
output += "Experimental formats are shown below.\n\n"
2811
for key, help in experimental_pairs:
2812
info = self.get_info(key)
2813
output += wrapped(key, help, info)
2814
if len(deprecated_pairs) > 0:
2815
output += "Deprecated formats are shown below.\n\n"
2816
for key, help in deprecated_pairs:
2817
info = self.get_info(key)
2818
output += wrapped(key, help, info)
2823
class RepositoryAcquisitionPolicy(object):
2824
"""Abstract base class for repository acquisition policies.
2826
A repository acquisition policy decides how a BzrDir acquires a repository
2827
for a branch that is being created. The most basic policy decision is
2828
whether to create a new repository or use an existing one.
2830
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2833
:param stack_on: A location to stack on
2834
:param stack_on_pwd: If stack_on is relative, the location it is
2836
:param require_stacking: If True, it is a failure to not stack.
2838
self._stack_on = stack_on
2839
self._stack_on_pwd = stack_on_pwd
2840
self._require_stacking = require_stacking
2842
def configure_branch(self, branch):
2843
"""Apply any configuration data from this policy to the branch.
2845
Default implementation sets repository stacking.
2847
if self._stack_on is None:
2849
if self._stack_on_pwd is None:
2850
stack_on = self._stack_on
2853
stack_on = urlutils.rebase_url(self._stack_on,
2855
branch.bzrdir.root_transport.base)
2856
except errors.InvalidRebaseURLs:
2857
stack_on = self._get_full_stack_on()
2859
branch.set_stacked_on_url(stack_on)
2860
except errors.UnstackableBranchFormat:
2861
if self._require_stacking:
2864
def _get_full_stack_on(self):
2865
"""Get a fully-qualified URL for the stack_on location."""
2866
if self._stack_on is None:
2868
if self._stack_on_pwd is None:
2869
return self._stack_on
2871
return urlutils.join(self._stack_on_pwd, self._stack_on)
2873
def _add_fallback(self, repository):
2874
"""Add a fallback to the supplied repository, if stacking is set."""
2875
stack_on = self._get_full_stack_on()
2876
if stack_on is None:
2878
stacked_dir = BzrDir.open(stack_on)
2880
stacked_repo = stacked_dir.open_branch().repository
2881
except errors.NotBranchError:
2882
stacked_repo = stacked_dir.open_repository()
2884
repository.add_fallback_repository(stacked_repo)
2885
except errors.UnstackableRepositoryFormat:
2886
if self._require_stacking:
2889
def acquire_repository(self, make_working_trees=None, shared=False):
2890
"""Acquire a repository for this bzrdir.
2892
Implementations may create a new repository or use a pre-exising
2894
:param make_working_trees: If creating a repository, set
2895
make_working_trees to this value (if non-None)
2896
:param shared: If creating a repository, make it shared if True
2897
:return: A repository
2899
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2902
class CreateRepository(RepositoryAcquisitionPolicy):
2903
"""A policy of creating a new repository"""
2905
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2906
require_stacking=False):
2909
:param bzrdir: The bzrdir to create the repository on.
2910
:param stack_on: A location to stack on
2911
:param stack_on_pwd: If stack_on is relative, the location it is
2914
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2916
self._bzrdir = bzrdir
2918
def acquire_repository(self, make_working_trees=None, shared=False):
2919
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2921
Creates the desired repository in the bzrdir we already have.
2923
repository = self._bzrdir.create_repository(shared=shared)
2924
self._add_fallback(repository)
2925
if make_working_trees is not None:
2926
repository.set_make_working_trees(make_working_trees)
2930
class UseExistingRepository(RepositoryAcquisitionPolicy):
2931
"""A policy of reusing an existing repository"""
2933
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2934
require_stacking=False):
2937
:param repository: The repository to use.
2938
:param stack_on: A location to stack on
2939
:param stack_on_pwd: If stack_on is relative, the location it is
2942
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2944
self._repository = repository
2946
def acquire_repository(self, make_working_trees=None, shared=False):
2947
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2949
Returns an existing repository to use
2951
self._add_fallback(self._repository)
2952
return self._repository
2955
format_registry = BzrDirFormatRegistry()
2956
format_registry.register('weave', BzrDirFormat6,
2957
'Pre-0.8 format. Slower than knit and does not'
2958
' support checkouts or shared repositories.',
2960
format_registry.register_metadir('knit',
2961
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2962
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2963
branch_format='bzrlib.branch.BzrBranchFormat5',
2964
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2965
format_registry.register_metadir('metaweave',
2966
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2967
'Transitional format in 0.8. Slower than knit.',
2968
branch_format='bzrlib.branch.BzrBranchFormat5',
2969
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2971
format_registry.register_metadir('dirstate',
2972
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2973
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2974
'above when accessed over the network.',
2975
branch_format='bzrlib.branch.BzrBranchFormat5',
2976
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2977
# directly from workingtree_4 triggers a circular import.
2978
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2980
format_registry.register_metadir('dirstate-tags',
2981
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2982
help='New in 0.15: Fast local operations and improved scaling for '
2983
'network operations. Additionally adds support for tags.'
2984
' Incompatible with bzr < 0.15.',
2985
branch_format='bzrlib.branch.BzrBranchFormat6',
2986
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2988
format_registry.register_metadir('rich-root',
2989
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2990
help='New in 1.0. Better handling of tree roots. Incompatible with'
2992
branch_format='bzrlib.branch.BzrBranchFormat6',
2993
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2995
format_registry.register_metadir('dirstate-with-subtree',
2996
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2997
help='New in 0.15: Fast local operations and improved scaling for '
2998
'network operations. Additionally adds support for versioning nested '
2999
'bzr branches. Incompatible with bzr < 0.15.',
3000
branch_format='bzrlib.branch.BzrBranchFormat6',
3001
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3005
format_registry.register_metadir('pack-0.92',
3006
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3007
help='New in 0.92: Pack-based format with data compatible with '
3008
'dirstate-tags format repositories. Interoperates with '
3009
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3010
'Previously called knitpack-experimental. '
3011
'For more information, see '
3012
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3013
branch_format='bzrlib.branch.BzrBranchFormat6',
3014
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3016
format_registry.register_metadir('pack-0.92-subtree',
3017
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3018
help='New in 0.92: Pack-based format with data compatible with '
3019
'dirstate-with-subtree format repositories. Interoperates with '
3020
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3021
'Previously called knitpack-experimental. '
3022
'For more information, see '
3023
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3024
branch_format='bzrlib.branch.BzrBranchFormat6',
3025
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3029
format_registry.register_metadir('rich-root-pack',
3030
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3031
help='New in 1.0: Pack-based format with data compatible with '
3032
'rich-root format repositories. Incompatible with'
3034
branch_format='bzrlib.branch.BzrBranchFormat6',
3035
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3037
format_registry.register_metadir('1.6',
3038
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3039
help='A branch and pack based repository that supports stacking. ',
3040
branch_format='bzrlib.branch.BzrBranchFormat7',
3041
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3043
format_registry.register_metadir('1.6.1-rich-root',
3044
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3045
help='A branch and pack based repository that supports stacking '
3046
'and rich root data (needed for bzr-svn). ',
3047
branch_format='bzrlib.branch.BzrBranchFormat7',
3048
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3050
# The following two formats should always just be aliases.
3051
format_registry.register_metadir('development',
3052
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3053
help='Current development format. Can convert data to and from pack-0.92 '
3054
'(and anything compatible with pack-0.92) format repositories. '
3055
'Repositories and branches in this format can only be read by bzr.dev. '
3057
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3059
branch_format='bzrlib.branch.BzrBranchFormat7',
3060
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3064
format_registry.register_metadir('development-subtree',
3065
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3066
help='Current development format, subtree variant. Can convert data to and '
3067
'from pack-0.92-subtree (and anything compatible with '
3068
'pack-0.92-subtree) format repositories. Repositories and branches in '
3069
'this format can only be read by bzr.dev. Please read '
3070
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3072
branch_format='bzrlib.branch.BzrBranchFormat7',
3073
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3077
# And the development formats which the will have aliased one of follow:
3078
format_registry.register_metadir('development1',
3079
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3080
help='A branch and pack based repository that supports stacking. '
3082
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3084
branch_format='bzrlib.branch.BzrBranchFormat7',
3085
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3089
format_registry.register_metadir('development1-subtree',
3090
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3091
help='A branch and pack based repository that supports stacking. '
3093
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3095
branch_format='bzrlib.branch.BzrBranchFormat7',
3096
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3100
# The current format that is made on 'bzr init'.
3101
format_registry.set_default('pack-0.92')