128
86
"""Return true if this bzrdir is one whose format we can convert from."""
131
def check_conversion_target(self, target_format):
132
"""Check that a bzrdir as a whole can be converted to a new format."""
133
# The only current restriction is that the repository content can be
134
# fetched compatibly with the target.
135
target_repo_format = target_format.repository_format
137
self.open_repository()._format.check_conversion_target(
139
except errors.NoRepositoryPresent:
140
# No repo, no problem.
144
def _check_supported(format, allow_unsupported,
145
recommend_upgrade=True,
147
"""Give an error or warning on old formats.
149
:param format: may be any kind of format - workingtree, branch,
152
:param allow_unsupported: If true, allow opening
153
formats that are strongly deprecated, and which may
154
have limited functionality.
156
:param recommend_upgrade: If true (default), warn
157
the user through the ui object that they may wish
158
to upgrade the object.
90
def _check_supported(format, allow_unsupported):
91
"""Check whether format is a supported format.
93
If allow_unsupported is True, this is a no-op.
160
# TODO: perhaps move this into a base Format class; it's not BzrDir
161
# specific. mbp 20070323
162
95
if not allow_unsupported and not format.is_supported():
163
96
# see open_downlevel to open legacy branches.
164
97
raise errors.UnsupportedFormatError(format=format)
165
if recommend_upgrade \
166
and getattr(format, 'upgrade_recommended', False):
167
ui.ui_factory.recommend_upgrade(
168
format.get_format_description(),
171
def clone(self, url, revision_id=None, force_new_repo=False,
172
preserve_stacking=False):
99
def clone(self, url, revision_id=None, basis=None, force_new_repo=False):
173
100
"""Clone this bzrdir and its contents to url verbatim.
175
:param url: The url create the clone at. If url's last component does
176
not exist, it will be created.
177
:param revision_id: The tip revision-id to use for any branch or
178
working tree. If not None, then the clone operation may tune
179
itself to download less data.
180
:param force_new_repo: Do not use a shared repository for the target
181
even if one is available.
182
:param preserve_stacking: When cloning a stacked branch, stack the
183
new branch on top of the other branch's stacked-on branch.
185
return self.clone_on_transport(get_transport(url),
186
revision_id=revision_id,
187
force_new_repo=force_new_repo,
188
preserve_stacking=preserve_stacking)
190
def clone_on_transport(self, transport, revision_id=None,
191
force_new_repo=False, preserve_stacking=False, stacked_on=None,
192
create_prefix=False, use_existing_dir=True):
193
"""Clone this bzrdir and its contents to transport verbatim.
195
:param transport: The transport for the location to produce the clone
196
at. If the target directory does not exist, it will be created.
197
:param revision_id: The tip revision-id to use for any branch or
198
working tree. If not None, then the clone operation may tune
199
itself to download less data.
200
:param force_new_repo: Do not use a shared repository for the target,
201
even if one is available.
202
:param preserve_stacking: When cloning a stacked branch, stack the
203
new branch on top of the other branch's stacked-on branch.
204
:param create_prefix: Create any missing directories leading up to
206
:param use_existing_dir: Use an existing directory if one exists.
208
# Overview: put together a broad description of what we want to end up
209
# with; then make as few api calls as possible to do it.
211
# We may want to create a repo/branch/tree, if we do so what format
212
# would we want for each:
213
require_stacking = (stacked_on is not None)
214
format = self.cloning_metadir(require_stacking)
216
# Figure out what objects we want:
102
If urls last component does not exist, it will be created.
104
if revision_id is not None, then the clone operation may tune
105
itself to download less data.
106
:param force_new_repo: Do not use a shared repository for the target
107
even if one is available.
110
basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
111
result = self._format.initialize(url)
218
113
local_repo = self.find_repository()
219
114
except errors.NoRepositoryPresent:
220
115
local_repo = None
222
local_branch = self.open_branch()
223
except errors.NotBranchError:
226
# enable fallbacks when branch is not a branch reference
227
if local_branch.repository.has_same_location(local_repo):
228
local_repo = local_branch.repository
229
if preserve_stacking:
231
stacked_on = local_branch.get_stacked_on_url()
232
except (errors.UnstackableBranchFormat,
233
errors.UnstackableRepositoryFormat,
236
# Bug: We create a metadir without knowing if it can support stacking,
237
# we should look up the policy needs first, or just use it as a hint,
240
make_working_trees = local_repo.make_working_trees()
241
want_shared = local_repo.is_shared()
242
repo_format_name = format.repository_format.network_name()
244
make_working_trees = False
246
repo_format_name = None
248
result_repo, result, require_stacking, repository_policy = \
249
format.initialize_on_transport_ex(transport,
250
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
251
force_new_repo=force_new_repo, stacked_on=stacked_on,
252
stack_on_pwd=self.root_transport.base,
253
repo_format_name=repo_format_name,
254
make_working_trees=make_working_trees, shared_repo=want_shared)
257
# If the result repository is in the same place as the
258
# resulting bzr dir, it will have no content, further if the
259
# result is not stacked then we know all content should be
260
# copied, and finally if we are copying up to a specific
261
# revision_id then we can use the pending-ancestry-result which
262
# does not require traversing all of history to describe it.
263
if (result_repo.bzrdir.root_transport.base ==
264
result.root_transport.base and not require_stacking and
265
revision_id is not None):
266
fetch_spec = graph.PendingAncestryResult(
267
[revision_id], local_repo)
268
result_repo.fetch(local_repo, fetch_spec=fetch_spec)
117
# may need to copy content in
119
result_repo = local_repo.clone(
121
revision_id=revision_id,
123
result_repo.set_make_working_trees(local_repo.make_working_trees())
126
result_repo = result.find_repository()
127
# fetch content this dir needs.
129
# XXX FIXME RBC 20060214 need tests for this when the basis
131
result_repo.fetch(basis_repo, revision_id=revision_id)
270
132
result_repo.fetch(local_repo, revision_id=revision_id)
274
if result_repo is not None:
275
raise AssertionError('result_repo not None(%r)' % result_repo)
133
except errors.NoRepositoryPresent:
134
# needed to make one anyway.
135
result_repo = local_repo.clone(
137
revision_id=revision_id,
139
result_repo.set_make_working_trees(local_repo.make_working_trees())
276
140
# 1 if there is a branch present
277
141
# make sure its content is available in the target repository
279
if local_branch is not None:
280
result_branch = local_branch.clone(result, revision_id=revision_id,
281
repository_policy=repository_policy)
283
# Cheaper to check if the target is not local, than to try making
285
result.root_transport.local_abspath('.')
286
if result_repo is None or result_repo.make_working_trees():
287
self.open_workingtree().clone(result)
144
self.open_branch().clone(result, revision_id=revision_id)
145
except errors.NotBranchError:
148
self.open_workingtree().clone(result, basis=basis_tree)
288
149
except (errors.NoWorkingTree, errors.NotLocalUrl):
153
def _get_basis_components(self, basis):
154
"""Retrieve the basis components that are available at basis."""
156
return None, None, None
158
basis_tree = basis.open_workingtree()
159
basis_branch = basis_tree.branch
160
basis_repo = basis_branch.repository
161
except (errors.NoWorkingTree, errors.NotLocalUrl):
164
basis_branch = basis.open_branch()
165
basis_repo = basis_branch.repository
166
except errors.NotBranchError:
169
basis_repo = basis.open_repository()
170
except errors.NoRepositoryPresent:
172
return basis_repo, basis_branch, basis_tree
292
174
# TODO: This should be given a Transport, and should chdir up; otherwise
293
175
# this will open a new connection.
294
176
def _make_tail(self, url):
295
t = get_transport(url)
177
head, tail = urlutils.split(url)
178
if tail and tail != '.':
179
t = bzrlib.transport.get_transport(head)
182
except errors.FileExists:
185
# TODO: Should take a Transport
299
def create(cls, base, format=None, possible_transports=None):
187
def create(cls, base):
300
188
"""Create a new BzrDir at the url 'base'.
190
This will call the current default formats initialize with base
191
as the only parameter.
302
:param format: If supplied, the format of branch to create. If not
303
supplied, the default is used.
304
:param possible_transports: If supplied, a list of transports that
305
can be reused to share a remote connection.
193
If you need a specific format, consider creating an instance
194
of that and calling initialize().
307
196
if cls is not BzrDir:
308
raise AssertionError("BzrDir.create always creates the default"
309
" format, not one of %r" % cls)
310
t = get_transport(base, possible_transports)
313
format = BzrDirFormat.get_default_format()
314
return format.initialize_on_transport(t)
317
def find_bzrdirs(transport, evaluate=None, list_current=None):
318
"""Find bzrdirs recursively from current location.
320
This is intended primarily as a building block for more sophisticated
321
functionality, like finding trees under a directory, or finding
322
branches that use a given repository.
323
:param evaluate: An optional callable that yields recurse, value,
324
where recurse controls whether this bzrdir is recursed into
325
and value is the value to yield. By default, all bzrdirs
326
are recursed into, and the return value is the bzrdir.
327
:param list_current: if supplied, use this function to list the current
328
directory, instead of Transport.list_dir
329
:return: a generator of found bzrdirs, or whatever evaluate returns.
331
if list_current is None:
332
def list_current(transport):
333
return transport.list_dir('')
335
def evaluate(bzrdir):
338
pending = [transport]
339
while len(pending) > 0:
340
current_transport = pending.pop()
343
bzrdir = BzrDir.open_from_transport(current_transport)
344
except errors.NotBranchError:
347
recurse, value = evaluate(bzrdir)
350
subdirs = list_current(current_transport)
351
except errors.NoSuchFile:
354
for subdir in sorted(subdirs, reverse=True):
355
pending.append(current_transport.clone(subdir))
358
def find_branches(transport):
359
"""Find all branches under a transport.
361
This will find all branches below the transport, including branches
362
inside other branches. Where possible, it will use
363
Repository.find_branches.
365
To list all the branches that use a particular Repository, see
366
Repository.find_branches
368
def evaluate(bzrdir):
370
repository = bzrdir.open_repository()
371
except errors.NoRepositoryPresent:
374
return False, (None, repository)
376
branch = bzrdir.open_branch()
377
except errors.NotBranchError:
378
return True, (None, None)
380
return True, (branch, None)
382
for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
384
branches.extend(repo.find_branches())
385
if branch is not None:
386
branches.append(branch)
389
def destroy_repository(self):
390
"""Destroy the repository in this BzrDir"""
391
raise NotImplementedError(self.destroy_repository)
197
raise AssertionError("BzrDir.create always creates the default format, "
198
"not one of %r" % cls)
199
head, tail = urlutils.split(base)
200
if tail and tail != '.':
201
t = bzrlib.transport.get_transport(head)
204
except errors.FileExists:
206
return BzrDirFormat.get_default_format().initialize(safe_unicode(base))
393
208
def create_branch(self):
394
209
"""Create a branch in this BzrDir.
396
The bzrdir's format will control what branch format is created.
211
The bzrdirs format will control what branch format is created.
397
212
For more control see BranchFormatXX.create(a_bzrdir).
399
214
raise NotImplementedError(self.create_branch)
401
def destroy_branch(self):
402
"""Destroy the branch in this BzrDir"""
403
raise NotImplementedError(self.destroy_branch)
406
def create_branch_and_repo(base, force_new_repo=False, format=None):
217
def create_branch_and_repo(base, force_new_repo=False):
407
218
"""Create a new BzrDir, Branch and Repository at the url 'base'.
409
This will use the current default BzrDirFormat unless one is
410
specified, and use whatever
220
This will use the current default BzrDirFormat, and use whatever
411
221
repository format that that uses via bzrdir.create_branch and
412
222
create_repository. If a shared repository is available that is used
509
258
The created Branch object is returned.
510
259
If a working tree cannot be made due to base not being a file:// url,
511
no error is raised unless force_new_tree is True, in which case no
260
no error is raised unless force_new_tree is True, in which case no
512
261
data is created on disk and NotLocalUrl is raised.
514
263
:param base: The URL to create the branch at.
515
264
:param force_new_repo: If True a new repository is always created.
516
:param force_new_tree: If True or False force creation of a tree or
265
:param force_new_tree: If True or False force creation of a tree or
517
266
prevent such creation respectively.
518
:param format: Override for the bzrdir format to create.
519
:param possible_transports: An optional reusable transports list.
267
:param format: Override for the for the bzrdir format to create
521
269
if force_new_tree:
522
270
# check for non local urls
523
t = get_transport(base, possible_transports)
524
if not isinstance(t, local.LocalTransport):
271
t = get_transport(safe_unicode(base))
272
if not isinstance(t, LocalTransport):
525
273
raise errors.NotLocalUrl(base)
526
bzrdir = BzrDir.create(base, format, possible_transports)
275
bzrdir = BzrDir.create(base)
277
bzrdir = format.initialize(base)
527
278
repo = bzrdir._find_or_create_repository(force_new_repo)
528
279
result = bzrdir.create_branch()
529
if force_new_tree or (repo.make_working_trees() and
280
if force_new_tree or (repo.make_working_trees() and
530
281
force_new_tree is None):
532
283
bzrdir.create_workingtree()
533
284
except errors.NotLocalUrl:
538
def create_standalone_workingtree(base, format=None):
289
def create_repository(base, shared=False):
290
"""Create a new BzrDir and Repository at the url 'base'.
292
This will use the current default BzrDirFormat, and use whatever
293
repository format that that uses for bzrdirformat.create_repository.
295
;param shared: Create a shared repository rather than a standalone
297
The Repository object is returned.
299
This must be overridden as an instance method in child classes, where
300
it should take no parameters and construct whatever repository format
301
that child class desires.
303
bzrdir = BzrDir.create(base)
304
return bzrdir.create_repository(shared)
307
def create_standalone_workingtree(base):
539
308
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
541
310
'base' must be a local path or a file:// url.
543
This will use the current default BzrDirFormat unless one is
544
specified, and use whatever
312
This will use the current default BzrDirFormat, and use whatever
545
313
repository format that that uses for bzrdirformat.create_workingtree,
546
314
create_branch and create_repository.
548
:param format: Override for the bzrdir format to create.
549
:return: The WorkingTree object.
316
The WorkingTree object is returned.
551
t = get_transport(base)
552
if not isinstance(t, local.LocalTransport):
318
t = get_transport(safe_unicode(base))
319
if not isinstance(t, LocalTransport):
553
320
raise errors.NotLocalUrl(base)
554
bzrdir = BzrDir.create_branch_and_repo(base,
556
format=format).bzrdir
321
bzrdir = BzrDir.create_branch_and_repo(safe_unicode(base),
322
force_new_repo=True).bzrdir
557
323
return bzrdir.create_workingtree()
559
def create_workingtree(self, revision_id=None, from_branch=None,
560
accelerator_tree=None, hardlink=False):
325
def create_workingtree(self, revision_id=None):
561
326
"""Create a working tree at this BzrDir.
563
:param revision_id: create it as of this revision id.
564
:param from_branch: override bzrdir branch (for lightweight checkouts)
565
:param accelerator_tree: A tree which can be used for retrieving file
566
contents more quickly than the revision tree, i.e. a workingtree.
567
The revision tree will be used for cases where accelerator_tree's
568
content is different.
328
revision_id: create it as of this revision id.
570
330
raise NotImplementedError(self.create_workingtree)
572
def backup_bzrdir(self):
573
"""Backup this bzr control directory.
332
def find_repository(self):
333
"""Find the repository that should be used for a_bzrdir.
575
:return: Tuple with old path name and new path name
335
This does not require a branch as we use it to find the repo for
336
new branches as well as to hook existing branches up to their
577
pb = ui.ui_factory.nested_progress_bar()
579
# FIXME: bug 300001 -- the backup fails if the backup directory
580
# already exists, but it should instead either remove it or make
581
# a new backup directory.
583
# FIXME: bug 262450 -- the backup directory should have the same
584
# permissions as the .bzr directory (probably a bug in copy_tree)
585
old_path = self.root_transport.abspath('.bzr')
586
new_path = self.root_transport.abspath('backup.bzr')
587
ui.ui_factory.note('making backup of %s\n to %s' % (old_path, new_path,))
588
self.root_transport.copy_tree('.bzr', 'backup.bzr')
589
return (old_path, new_path)
593
def retire_bzrdir(self, limit=10000):
594
"""Permanently disable the bzrdir.
596
This is done by renaming it to give the user some ability to recover
597
if there was a problem.
599
This will have horrible consequences if anyone has anything locked or
601
:param limit: number of times to retry
606
to_path = '.bzr.retired.%d' % i
607
self.root_transport.rename('.bzr', to_path)
608
note("renamed %s to %s"
609
% (self.root_transport.abspath('.bzr'), to_path))
611
except (errors.TransportError, IOError, errors.PathError):
618
def destroy_workingtree(self):
619
"""Destroy the working tree at this BzrDir.
621
Formats that do not support this may raise UnsupportedOperation.
623
raise NotImplementedError(self.destroy_workingtree)
625
def destroy_workingtree_metadata(self):
626
"""Destroy the control files for the working tree at this BzrDir.
628
The contents of working tree files are not affected.
629
Formats that do not support this may raise UnsupportedOperation.
631
raise NotImplementedError(self.destroy_workingtree_metadata)
633
def _find_containing(self, evaluate):
634
"""Find something in a containing control directory.
636
This method will scan containing control dirs, until it finds what
637
it is looking for, decides that it will never find it, or runs out
638
of containing control directories to check.
640
It is used to implement find_repository and
641
determine_repository_policy.
643
:param evaluate: A function returning (value, stop). If stop is True,
644
the value will be returned.
648
result, stop = evaluate(found_bzrdir)
651
next_transport = found_bzrdir.root_transport.clone('..')
652
if (found_bzrdir.root_transport.base == next_transport.base):
653
# top of the file system
340
return self.open_repository()
341
except errors.NoRepositoryPresent:
343
next_transport = self.root_transport.clone('..')
655
345
# find the next containing bzrdir
657
347
found_bzrdir = BzrDir.open_containing_from_transport(
658
348
next_transport)[0]
659
349
except errors.NotBranchError:
662
def find_repository(self):
663
"""Find the repository that should be used.
665
This does not require a branch as we use it to find the repo for
666
new branches as well as to hook existing branches up to their
669
def usable_repository(found_bzrdir):
351
raise errors.NoRepositoryPresent(self)
670
352
# does it have a repository ?
672
354
repository = found_bzrdir.open_repository()
673
355
except errors.NoRepositoryPresent:
675
if found_bzrdir.root_transport.base == self.root_transport.base:
676
return repository, True
677
elif repository.is_shared():
678
return repository, True
356
next_transport = found_bzrdir.root_transport.clone('..')
357
if (found_bzrdir.root_transport.base == next_transport.base):
358
# top of the file system
362
if ((found_bzrdir.root_transport.base ==
363
self.root_transport.base) or repository.is_shared()):
682
found_repo = self._find_containing(usable_repository)
683
if found_repo is None:
684
raise errors.NoRepositoryPresent(self)
687
def get_branch_reference(self):
688
"""Return the referenced URL for the branch in this bzrdir.
690
:raises NotBranchError: If there is no Branch.
691
:return: The URL the branch in this bzrdir references if it is a
692
reference branch, or None for regular branches.
366
raise errors.NoRepositoryPresent(self)
367
raise errors.NoRepositoryPresent(self)
696
369
def get_branch_transport(self, branch_format):
697
370
"""Get the transport for use by branch format in this BzrDir.
832
452
def open_unsupported(base):
833
453
"""Open a branch which is not supported."""
834
454
return BzrDir.open(base, _unsupported=True)
837
def open(base, _unsupported=False, possible_transports=None):
838
"""Open an existing bzrdir, rooted at 'base' (url).
840
:param _unsupported: a private parameter to the BzrDir class.
842
t = get_transport(base, possible_transports=possible_transports)
843
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
846
def open_from_transport(transport, _unsupported=False,
847
_server_formats=True):
848
"""Open a bzrdir within a particular directory.
850
:param transport: Transport containing the bzrdir.
851
:param _unsupported: private.
853
for hook in BzrDir.hooks['pre_open']:
855
# Keep initial base since 'transport' may be modified while following
857
base = transport.base
858
def find_format(transport):
859
return transport, BzrDirFormat.find_format(
860
transport, _server_formats=_server_formats)
862
def redirected(transport, e, redirection_notice):
863
redirected_transport = transport._redirected_to(e.source, e.target)
864
if redirected_transport is None:
865
raise errors.NotBranchError(base)
866
note('%s is%s redirected to %s',
867
transport.base, e.permanently, redirected_transport.base)
868
return redirected_transport
871
transport, format = do_catching_redirections(find_format,
874
except errors.TooManyRedirections:
875
raise errors.NotBranchError(base)
457
def open(base, _unsupported=False):
458
"""Open an existing bzrdir, rooted at 'base' (url)
460
_unsupported is a private parameter to the BzrDir class.
462
t = get_transport(base)
463
mutter("trying to open %r with transport %r", base, t)
464
format = BzrDirFormat.find_format(t)
877
465
BzrDir._check_supported(format, _unsupported)
878
return format.open(transport, _found=True)
466
return format.open(t, _found=True)
880
def open_branch(self, unsupported=False, ignore_fallbacks=False):
468
def open_branch(self, unsupported=False):
881
469
"""Open the branch object at this BzrDir if one is present.
883
471
If unsupported is True, then no longer supported branch formats can
886
474
TODO: static convenience version of this?
888
476
raise NotImplementedError(self.open_branch)
891
def open_containing(url, possible_transports=None):
479
def open_containing(url):
892
480
"""Open an existing branch which contains url.
894
482
:param url: url to search from.
895
483
See open_containing_from_transport for more detail.
897
transport = get_transport(url, possible_transports)
898
return BzrDir.open_containing_from_transport(transport)
485
return BzrDir.open_containing_from_transport(get_transport(url))
901
488
def open_containing_from_transport(a_transport):
902
"""Open an existing branch which contains a_transport.base.
489
"""Open an existing branch which contains a_transport.base
904
491
This probes for a branch at a_transport, and searches upwards from there.
906
493
Basically we keep looking up until we find the control directory or
907
494
run into the root. If there isn't one, raises NotBranchError.
908
If there is one and it is either an unrecognised format or an unsupported
495
If there is one and it is either an unrecognised format or an unsupported
909
496
format, UnknownFormatError or UnsupportedFormatError are raised.
910
497
If there is one, it is returned, along with the unused portion of url.
912
:return: The BzrDir that contains the path, and a Unicode path
499
:return: The BzrDir that contains the path, and a Unicode path
913
500
for the rest of the URL.
915
502
# this gets the normalised url back. I.e. '.' -> the full path.
916
503
url = a_transport.base
919
result = BzrDir.open_from_transport(a_transport)
920
return result, urlutils.unescape(a_transport.relpath(url))
506
format = BzrDirFormat.find_format(a_transport)
507
BzrDir._check_supported(format, False)
508
return format.open(a_transport), urlutils.unescape(a_transport.relpath(url))
921
509
except errors.NotBranchError, e:
510
## mutter('not a branch in: %r %s', a_transport.base, e)
924
new_t = a_transport.clone('..')
925
except errors.InvalidURLJoin:
926
# reached the root, whatever that may be
927
raise errors.NotBranchError(path=url)
512
new_t = a_transport.clone('..')
928
513
if new_t.base == a_transport.base:
929
514
# reached the root, whatever that may be
930
515
raise errors.NotBranchError(path=url)
931
516
a_transport = new_t
933
def _get_tree_branch(self):
934
"""Return the branch and tree, if any, for this bzrdir.
936
Return None for tree if not present or inaccessible.
937
Raise NotBranchError if no branch is present.
938
:return: (tree, branch)
941
tree = self.open_workingtree()
942
except (errors.NoWorkingTree, errors.NotLocalUrl):
944
branch = self.open_branch()
950
def open_tree_or_branch(klass, location):
951
"""Return the branch and working tree at a location.
953
If there is no tree at the location, tree will be None.
954
If there is no branch at the location, an exception will be
956
:return: (tree, branch)
958
bzrdir = klass.open(location)
959
return bzrdir._get_tree_branch()
962
def open_containing_tree_or_branch(klass, location):
963
"""Return the branch and working tree contained by a location.
965
Returns (tree, branch, relpath).
966
If there is no tree at containing the location, tree will be None.
967
If there is no branch containing the location, an exception will be
969
relpath is the portion of the path that is contained by the branch.
971
bzrdir, relpath = klass.open_containing(location)
972
tree, branch = bzrdir._get_tree_branch()
973
return tree, branch, relpath
976
def open_containing_tree_branch_or_repository(klass, location):
977
"""Return the working tree, branch and repo contained by a location.
979
Returns (tree, branch, repository, relpath).
980
If there is no tree containing the location, tree will be None.
981
If there is no branch containing the location, branch will be None.
982
If there is no repository containing the location, repository will be
984
relpath is the portion of the path that is contained by the innermost
987
If no tree, branch or repository is found, a NotBranchError is raised.
989
bzrdir, relpath = klass.open_containing(location)
991
tree, branch = bzrdir._get_tree_branch()
992
except errors.NotBranchError:
994
repo = bzrdir.find_repository()
995
return None, None, repo, relpath
996
except (errors.NoRepositoryPresent):
997
raise errors.NotBranchError(location)
998
return tree, branch, branch.repository, relpath
1000
518
def open_repository(self, _unsupported=False):
1001
519
"""Open the repository object at this BzrDir if one is present.
1003
This will not follow the Branch object pointer - it's strictly a direct
521
This will not follow the Branch object pointer - its strictly a direct
1004
522
open facility. Most client code should use open_branch().repository to
1005
523
get at a repository.
1007
:param _unsupported: a private parameter, not part of the api.
525
_unsupported is a private parameter, not part of the api.
1008
526
TODO: static convenience version of this?
1010
528
raise NotImplementedError(self.open_repository)
1012
def open_workingtree(self, _unsupported=False,
1013
recommend_upgrade=True, from_branch=None):
530
def open_workingtree(self, _unsupported=False):
1014
531
"""Open the workingtree object at this BzrDir if one is present.
1016
:param recommend_upgrade: Optional keyword parameter, when True (the
1017
default), emit through the ui module a recommendation that the user
1018
upgrade the working tree when the workingtree being opened is old
1019
(but still fully supported).
1020
:param from_branch: override bzrdir branch (for lightweight checkouts)
533
TODO: static convenience version of this?
1022
535
raise NotImplementedError(self.open_workingtree)
1024
537
def has_branch(self):
1025
538
"""Tell if this bzrdir contains a branch.
1027
540
Note: if you're going to open the branch, you should just go ahead
1028
and try, and not ask permission first. (This method just opens the
1029
branch and discards it, and that's somewhat expensive.)
541
and try, and not ask permission first. (This method just opens the
542
branch and discards it, and that's somewhat expensive.)
1032
545
self.open_branch()
1133
577
if revision_id is not None, then the clone operation may tune
1134
578
itself to download less data.
1135
:param accelerator_tree: A tree which can be used for retrieving file
1136
contents more quickly than the revision tree, i.e. a workingtree.
1137
The revision tree will be used for cases where accelerator_tree's
1138
content is different.
1139
:param hardlink: If true, hard-link files from accelerator_tree,
1141
:param stacked: If true, create a stacked branch referring to the
1142
location of this control directory.
1143
:param create_tree_if_local: If true, a working-tree will be created
1144
when working locally.
1146
target_transport = get_transport(url, possible_transports)
1147
target_transport.ensure_base()
1148
cloning_format = self.cloning_metadir(stacked)
1149
# Create/update the result branch
1150
result = cloning_format.initialize_on_transport(target_transport)
1151
# if a stacked branch wasn't requested, we don't create one
1152
# even if the origin was stacked
1153
stacked_branch_url = None
1154
if source_branch is not None:
1156
stacked_branch_url = self.root_transport.base
581
result = self._format.initialize(url)
582
basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
584
source_branch = self.open_branch()
1157
585
source_repository = source_branch.repository
1160
source_branch = self.open_branch()
1161
source_repository = source_branch.repository
1163
stacked_branch_url = self.root_transport.base
1164
except errors.NotBranchError:
1165
source_branch = None
1167
source_repository = self.open_repository()
1168
except errors.NoRepositoryPresent:
1169
source_repository = None
1170
repository_policy = result.determine_repository_policy(
1171
force_new_repo, stacked_branch_url, require_stacking=stacked)
1172
result_repo, is_new_repo = repository_policy.acquire_repository()
1173
if is_new_repo and revision_id is not None and not stacked:
1174
fetch_spec = graph.PendingAncestryResult(
1175
[revision_id], source_repository)
1178
if source_repository is not None:
1179
# Fetch while stacked to prevent unstacked fetch from
1181
if fetch_spec is None:
1182
result_repo.fetch(source_repository, revision_id=revision_id)
1184
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
1186
if source_branch is None:
1187
# this is for sprouting a bzrdir without a branch; is that
1189
# Not especially, but it's part of the contract.
1190
result_branch = result.create_branch()
1192
result_branch = source_branch.sprout(result,
1193
revision_id=revision_id, repository_policy=repository_policy)
1194
mutter("created new branch %r" % (result_branch,))
1196
# Create/update the result working tree
1197
if (create_tree_if_local and
1198
isinstance(target_transport, local.LocalTransport) and
1199
(result_repo is None or result_repo.make_working_trees())):
1200
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1204
if wt.path2id('') is None:
1206
wt.set_root_id(self.open_workingtree.get_root_id())
1207
except errors.NoWorkingTree:
1213
if recurse == 'down':
1215
basis = wt.basis_tree()
1217
subtrees = basis.iter_references()
1218
elif result_branch is not None:
1219
basis = result_branch.basis_tree()
1221
subtrees = basis.iter_references()
1222
elif source_branch is not None:
1223
basis = source_branch.basis_tree()
1225
subtrees = basis.iter_references()
1230
for path, file_id in subtrees:
1231
target = urlutils.join(url, urlutils.escape(path))
1232
sublocation = source_branch.reference_parent(file_id, path)
1233
sublocation.bzrdir.sprout(target,
1234
basis.get_reference_revision(file_id, path),
1235
force_new_repo=force_new_repo, recurse=recurse,
1238
if basis is not None:
586
except errors.NotBranchError:
589
source_repository = self.open_repository()
590
except errors.NoRepositoryPresent:
591
# copy the entire basis one if there is one
592
# but there is no repository.
593
source_repository = basis_repo
598
result_repo = result.find_repository()
599
except errors.NoRepositoryPresent:
601
if source_repository is None and result_repo is not None:
603
elif source_repository is None and result_repo is None:
604
# no repo available, make a new one
605
result.create_repository()
606
elif source_repository is not None and result_repo is None:
607
# have source, and want to make a new target repo
608
# we don't clone the repo because that preserves attributes
609
# like is_shared(), and we have not yet implemented a
610
# repository sprout().
611
result_repo = result.create_repository()
612
if result_repo is not None:
613
# fetch needed content into target.
615
# XXX FIXME RBC 20060214 need tests for this when the basis
617
result_repo.fetch(basis_repo, revision_id=revision_id)
618
result_repo.fetch(source_repository, revision_id=revision_id)
619
if source_branch is not None:
620
source_branch.sprout(result, revision_id=revision_id)
622
result.create_branch()
623
# TODO: jam 20060426 we probably need a test in here in the
624
# case that the newly sprouted branch is a remote one
625
if result_repo is None or result_repo.make_working_trees():
626
result.create_workingtree()
1242
def push_branch(self, source, revision_id=None, overwrite=False,
1243
remember=False, create_prefix=False):
1244
"""Push the source branch into this BzrDir."""
1246
# If we can open a branch, use its direct repository, otherwise see
1247
# if there is a repository without a branch.
1249
br_to = self.open_branch()
1250
except errors.NotBranchError:
1251
# Didn't find a branch, can we find a repository?
1252
repository_to = self.find_repository()
1254
# Found a branch, so we must have found a repository
1255
repository_to = br_to.repository
1257
push_result = PushResult()
1258
push_result.source_branch = source
1260
# We have a repository but no branch, copy the revisions, and then
1262
repository_to.fetch(source.repository, revision_id=revision_id)
1263
br_to = source.clone(self, revision_id=revision_id)
1264
if source.get_push_location() is None or remember:
1265
source.set_push_location(br_to.base)
1266
push_result.stacked_on = None
1267
push_result.branch_push_result = None
1268
push_result.old_revno = None
1269
push_result.old_revid = _mod_revision.NULL_REVISION
1270
push_result.target_branch = br_to
1271
push_result.master_branch = None
1272
push_result.workingtree_updated = False
1274
# We have successfully opened the branch, remember if necessary:
1275
if source.get_push_location() is None or remember:
1276
source.set_push_location(br_to.base)
1278
tree_to = self.open_workingtree()
1279
except errors.NotLocalUrl:
1280
push_result.branch_push_result = source.push(br_to,
1281
overwrite, stop_revision=revision_id)
1282
push_result.workingtree_updated = False
1283
except errors.NoWorkingTree:
1284
push_result.branch_push_result = source.push(br_to,
1285
overwrite, stop_revision=revision_id)
1286
push_result.workingtree_updated = None # Not applicable
1288
tree_to.lock_write()
1290
push_result.branch_push_result = source.push(
1291
tree_to.branch, overwrite, stop_revision=revision_id)
1295
push_result.workingtree_updated = True
1296
push_result.old_revno = push_result.branch_push_result.old_revno
1297
push_result.old_revid = push_result.branch_push_result.old_revid
1298
push_result.target_branch = \
1299
push_result.branch_push_result.target_branch
1303
class BzrDirHooks(hooks.Hooks):
1304
"""Hooks for BzrDir operations."""
1307
"""Create the default hooks."""
1308
hooks.Hooks.__init__(self)
1309
self.create_hook(hooks.HookPoint('pre_open',
1310
"Invoked before attempting to open a BzrDir with the transport "
1311
"that the open will use.", (1, 14), None))
1313
# install the default hooks
1314
BzrDir.hooks = BzrDirHooks()
1317
630
class BzrDirPreSplitOut(BzrDir):
1318
631
"""A common class for the all-in-one formats."""
1858
1000
current default format. In the case of plugins we can/should provide
1859
1001
some means for them to extend the range of returnable converters.
1861
:param format: Optional format to override the default format of the
1003
:param format: Optional format to override the default format of the
1864
1006
raise NotImplementedError(self.get_converter)
1866
def initialize(self, url, possible_transports=None):
1008
def initialize(self, url):
1867
1009
"""Create a bzr control dir at this url and return an opened copy.
1869
While not deprecated, this method is very specific and its use will
1870
lead to many round trips to setup a working environment. See
1871
initialize_on_transport_ex for a [nearly] all-in-one method.
1873
1011
Subclasses should typically override initialize_on_transport
1874
1012
instead of this method.
1876
return self.initialize_on_transport(get_transport(url,
1877
possible_transports))
1014
return self.initialize_on_transport(get_transport(url))
1879
1016
def initialize_on_transport(self, transport):
1880
1017
"""Initialize a new bzrdir in the base directory of a Transport."""
1882
# can we hand off the request to the smart server rather than using
1884
client_medium = transport.get_smart_medium()
1885
except errors.NoSmartMedium:
1886
return self._initialize_on_transport_vfs(transport)
1888
# Current RPC's only know how to create bzr metadir1 instances, so
1889
# we still delegate to vfs methods if the requested format is not a
1891
if type(self) != BzrDirMetaFormat1:
1892
return self._initialize_on_transport_vfs(transport)
1893
remote_format = RemoteBzrDirFormat()
1894
self._supply_sub_formats_to(remote_format)
1895
return remote_format.initialize_on_transport(transport)
1897
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
1898
create_prefix=False, force_new_repo=False, stacked_on=None,
1899
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
1900
shared_repo=False, vfs_only=False):
1901
"""Create this format on transport.
1903
The directory to initialize will be created.
1905
:param force_new_repo: Do not use a shared repository for the target,
1906
even if one is available.
1907
:param create_prefix: Create any missing directories leading up to
1909
:param use_existing_dir: Use an existing directory if one exists.
1910
:param stacked_on: A url to stack any created branch on, None to follow
1911
any target stacking policy.
1912
:param stack_on_pwd: If stack_on is relative, the location it is
1914
:param repo_format_name: If non-None, a repository will be
1915
made-or-found. Should none be found, or if force_new_repo is True
1916
the repo_format_name is used to select the format of repository to
1918
:param make_working_trees: Control the setting of make_working_trees
1919
for a new shared repository when one is made. None to use whatever
1920
default the format has.
1921
:param shared_repo: Control whether made repositories are shared or
1923
:param vfs_only: If True do not attempt to use a smart server
1924
:return: repo, bzrdir, require_stacking, repository_policy. repo is
1925
None if none was created or found, bzrdir is always valid.
1926
require_stacking is the result of examining the stacked_on
1927
parameter and any stacking policy found for the target.
1930
# Try to hand off to a smart server
1932
client_medium = transport.get_smart_medium()
1933
except errors.NoSmartMedium:
1936
# TODO: lookup the local format from a server hint.
1937
remote_dir_format = RemoteBzrDirFormat()
1938
remote_dir_format._network_name = self.network_name()
1939
self._supply_sub_formats_to(remote_dir_format)
1940
return remote_dir_format.initialize_on_transport_ex(transport,
1941
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
1942
force_new_repo=force_new_repo, stacked_on=stacked_on,
1943
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
1944
make_working_trees=make_working_trees, shared_repo=shared_repo)
1945
# XXX: Refactor the create_prefix/no_create_prefix code into a
1946
# common helper function
1947
# The destination may not exist - if so make it according to policy.
1948
def make_directory(transport):
1949
transport.mkdir('.')
1951
def redirected(transport, e, redirection_notice):
1952
note(redirection_notice)
1953
return transport._redirected_to(e.source, e.target)
1955
transport = do_catching_redirections(make_directory, transport,
1957
except errors.FileExists:
1958
if not use_existing_dir:
1960
except errors.NoSuchFile:
1961
if not create_prefix:
1963
transport.create_prefix()
1965
require_stacking = (stacked_on is not None)
1966
# Now the target directory exists, but doesn't have a .bzr
1967
# directory. So we need to create it, along with any work to create
1968
# all of the dependent branches, etc.
1970
result = self.initialize_on_transport(transport)
1971
if repo_format_name:
1973
# use a custom format
1974
result._format.repository_format = \
1975
repository.network_format_registry.get(repo_format_name)
1976
except AttributeError:
1977
# The format didn't permit it to be set.
1979
# A repository is desired, either in-place or shared.
1980
repository_policy = result.determine_repository_policy(
1981
force_new_repo, stacked_on, stack_on_pwd,
1982
require_stacking=require_stacking)
1983
result_repo, is_new_repo = repository_policy.acquire_repository(
1984
make_working_trees, shared_repo)
1985
if not require_stacking and repository_policy._require_stacking:
1986
require_stacking = True
1987
result._format.require_stacking()
1988
result_repo.lock_write()
1991
repository_policy = None
1992
return result_repo, result, require_stacking, repository_policy
1994
def _initialize_on_transport_vfs(self, transport):
1995
"""Initialize a new bzrdir using VFS calls.
1997
:param transport: The transport to create the .bzr directory in.
2000
# Since we are creating a .bzr directory, inherit the
1018
# Since we don't have a .bzr directory, inherit the
2001
1019
# mode from the root directory
2002
temp_control = lockable_files.LockableFiles(transport,
2003
'', lockable_files.TransportLock)
1020
temp_control = LockableFiles(transport, '', TransportLock)
2004
1021
temp_control._transport.mkdir('.bzr',
2005
1022
# FIXME: RBC 20060121 don't peek under
2007
1024
mode=temp_control._dir_mode)
2008
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
2009
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
2010
1025
file_mode = temp_control._file_mode
2011
1026
del temp_control
2012
bzrdir_transport = transport.clone('.bzr')
2013
utf8_files = [('README',
2014
"This is a Bazaar control directory.\n"
2015
"Do not change any files in this directory.\n"
2016
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1027
mutter('created control directory in ' + transport.base)
1028
control = transport.clone('.bzr')
1029
utf8_files = [('README',
1030
"This is a Bazaar-NG control directory.\n"
1031
"Do not change any files in this directory.\n"),
2017
1032
('branch-format', self.get_format_string()),
2019
1034
# NB: no need to escape relative paths that are url safe.
2020
control_files = lockable_files.LockableFiles(bzrdir_transport,
2021
self._lock_file_name, self._lock_class)
1035
control_files = LockableFiles(control, self._lock_file_name,
2022
1037
control_files.create_lock()
2023
1038
control_files.lock_write()
2025
for (filename, content) in utf8_files:
2026
bzrdir_transport.put_bytes(filename, content,
1040
for file, content in utf8_files:
1041
control_files.put_utf8(file, content)
2029
1043
control_files.unlock()
2030
1044
return self.open(transport, _found=True)
3042
1810
if not isinstance(repo._format, self.target_format.repository_format.__class__):
3043
1811
from bzrlib.repository import CopyConverter
3044
ui.ui_factory.note('starting repository conversion')
1812
self.pb.note('starting repository conversion')
3045
1813
converter = CopyConverter(self.target_format.repository_format)
3046
1814
converter.convert(repo, pb)
3048
branch = self.bzrdir.open_branch()
3049
except errors.NotBranchError:
3052
# TODO: conversions of Branch and Tree should be done by
3053
# InterXFormat lookups/some sort of registry.
3054
# Avoid circular imports
3055
from bzrlib import branch as _mod_branch
3056
old = branch._format.__class__
3057
new = self.target_format.get_branch_format().__class__
3059
if (old == _mod_branch.BzrBranchFormat5 and
3060
new in (_mod_branch.BzrBranchFormat6,
3061
_mod_branch.BzrBranchFormat7,
3062
_mod_branch.BzrBranchFormat8)):
3063
branch_converter = _mod_branch.Converter5to6()
3064
elif (old == _mod_branch.BzrBranchFormat6 and
3065
new in (_mod_branch.BzrBranchFormat7,
3066
_mod_branch.BzrBranchFormat8)):
3067
branch_converter = _mod_branch.Converter6to7()
3068
elif (old == _mod_branch.BzrBranchFormat7 and
3069
new is _mod_branch.BzrBranchFormat8):
3070
branch_converter = _mod_branch.Converter7to8()
3072
raise errors.BadConversionTarget("No converter", new,
3074
branch_converter.convert(branch)
3075
branch = self.bzrdir.open_branch()
3076
old = branch._format.__class__
3078
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
3079
except (errors.NoWorkingTree, errors.NotLocalUrl):
3082
# TODO: conversions of Branch and Tree should be done by
3083
# InterXFormat lookups
3084
if (isinstance(tree, workingtree.WorkingTree3) and
3085
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
3086
isinstance(self.target_format.workingtree_format,
3087
workingtree_4.DirStateWorkingTreeFormat)):
3088
workingtree_4.Converter3to4().convert(tree)
3089
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3090
not isinstance(tree, workingtree_4.WorkingTree5) and
3091
isinstance(self.target_format.workingtree_format,
3092
workingtree_4.WorkingTreeFormat5)):
3093
workingtree_4.Converter4to5().convert(tree)
3094
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3095
not isinstance(tree, workingtree_4.WorkingTree6) and
3096
isinstance(self.target_format.workingtree_format,
3097
workingtree_4.WorkingTreeFormat6)):
3098
workingtree_4.Converter4or5to6().convert(tree)
3099
1815
return to_convert
3102
# This is not in remote.py because it's relatively small, and needs to be
3103
# registered. Putting it in remote.py creates a circular import problem.
3104
# we can make it a lazy object if the control formats is turned into something
3106
class RemoteBzrDirFormat(BzrDirMetaFormat1):
3107
"""Format representing bzrdirs accessed via a smart server"""
3110
BzrDirMetaFormat1.__init__(self)
3111
# XXX: It's a bit ugly that the network name is here, because we'd
3112
# like to believe that format objects are stateless or at least
3113
# immutable, However, we do at least avoid mutating the name after
3114
# it's returned. See <https://bugs.edge.launchpad.net/bzr/+bug/504102>
3115
self._network_name = None
3118
return "%s(_network_name=%r)" % (self.__class__.__name__,
3121
def get_format_description(self):
3122
if self._network_name:
3123
real_format = network_format_registry.get(self._network_name)
3124
return 'Remote: ' + real_format.get_format_description()
3125
return 'bzr remote bzrdir'
3127
def get_format_string(self):
3128
raise NotImplementedError(self.get_format_string)
3130
def network_name(self):
3131
if self._network_name:
3132
return self._network_name
3134
raise AssertionError("No network name set.")
3137
def probe_transport(klass, transport):
3138
"""Return a RemoteBzrDirFormat object if it looks possible."""
3140
medium = transport.get_smart_medium()
3141
except (NotImplementedError, AttributeError,
3142
errors.TransportNotPossible, errors.NoSmartMedium,
3143
errors.SmartProtocolError):
3144
# no smart server, so not a branch for this format type.
3145
raise errors.NotBranchError(path=transport.base)
3147
# Decline to open it if the server doesn't support our required
3148
# version (3) so that the VFS-based transport will do it.
3149
if medium.should_probe():
3151
server_version = medium.protocol_version()
3152
except errors.SmartProtocolError:
3153
# Apparently there's no usable smart server there, even though
3154
# the medium supports the smart protocol.
3155
raise errors.NotBranchError(path=transport.base)
3156
if server_version != '2':
3157
raise errors.NotBranchError(path=transport.base)
3160
def initialize_on_transport(self, transport):
3162
# hand off the request to the smart server
3163
client_medium = transport.get_smart_medium()
3164
except errors.NoSmartMedium:
3165
# TODO: lookup the local format from a server hint.
3166
local_dir_format = BzrDirMetaFormat1()
3167
return local_dir_format.initialize_on_transport(transport)
3168
client = _SmartClient(client_medium)
3169
path = client.remote_path_from_transport(transport)
3171
response = client.call('BzrDirFormat.initialize', path)
3172
except errors.ErrorFromSmartServer, err:
3173
remote._translate_error(err, path=path)
3174
if response[0] != 'ok':
3175
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
3176
format = RemoteBzrDirFormat()
3177
self._supply_sub_formats_to(format)
3178
return remote.RemoteBzrDir(transport, format)
3180
def parse_NoneTrueFalse(self, arg):
3187
raise AssertionError("invalid arg %r" % arg)
3189
def _serialize_NoneTrueFalse(self, arg):
3196
def _serialize_NoneString(self, arg):
3199
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
3200
create_prefix=False, force_new_repo=False, stacked_on=None,
3201
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
3204
# hand off the request to the smart server
3205
client_medium = transport.get_smart_medium()
3206
except errors.NoSmartMedium:
3209
# Decline to open it if the server doesn't support our required
3210
# version (3) so that the VFS-based transport will do it.
3211
if client_medium.should_probe():
3213
server_version = client_medium.protocol_version()
3214
if server_version != '2':
3218
except errors.SmartProtocolError:
3219
# Apparently there's no usable smart server there, even though
3220
# the medium supports the smart protocol.
3225
client = _SmartClient(client_medium)
3226
path = client.remote_path_from_transport(transport)
3227
if client_medium._is_remote_before((1, 16)):
3230
# TODO: lookup the local format from a server hint.
3231
local_dir_format = BzrDirMetaFormat1()
3232
self._supply_sub_formats_to(local_dir_format)
3233
return local_dir_format.initialize_on_transport_ex(transport,
3234
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3235
force_new_repo=force_new_repo, stacked_on=stacked_on,
3236
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3237
make_working_trees=make_working_trees, shared_repo=shared_repo,
3239
return self._initialize_on_transport_ex_rpc(client, path, transport,
3240
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3241
stack_on_pwd, repo_format_name, make_working_trees, shared_repo)
3243
def _initialize_on_transport_ex_rpc(self, client, path, transport,
3244
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3245
stack_on_pwd, repo_format_name, make_working_trees, shared_repo):
3247
args.append(self._serialize_NoneTrueFalse(use_existing_dir))
3248
args.append(self._serialize_NoneTrueFalse(create_prefix))
3249
args.append(self._serialize_NoneTrueFalse(force_new_repo))
3250
args.append(self._serialize_NoneString(stacked_on))
3251
# stack_on_pwd is often/usually our transport
3254
stack_on_pwd = transport.relpath(stack_on_pwd)
3255
if not stack_on_pwd:
3257
except errors.PathNotChild:
3259
args.append(self._serialize_NoneString(stack_on_pwd))
3260
args.append(self._serialize_NoneString(repo_format_name))
3261
args.append(self._serialize_NoneTrueFalse(make_working_trees))
3262
args.append(self._serialize_NoneTrueFalse(shared_repo))
3263
request_network_name = self._network_name or \
3264
BzrDirFormat.get_default_format().network_name()
3266
response = client.call('BzrDirFormat.initialize_ex_1.16',
3267
request_network_name, path, *args)
3268
except errors.UnknownSmartMethod:
3269
client._medium._remember_remote_is_before((1,16))
3270
local_dir_format = BzrDirMetaFormat1()
3271
self._supply_sub_formats_to(local_dir_format)
3272
return local_dir_format.initialize_on_transport_ex(transport,
3273
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3274
force_new_repo=force_new_repo, stacked_on=stacked_on,
3275
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3276
make_working_trees=make_working_trees, shared_repo=shared_repo,
3278
except errors.ErrorFromSmartServer, err:
3279
remote._translate_error(err, path=path)
3280
repo_path = response[0]
3281
bzrdir_name = response[6]
3282
require_stacking = response[7]
3283
require_stacking = self.parse_NoneTrueFalse(require_stacking)
3284
format = RemoteBzrDirFormat()
3285
format._network_name = bzrdir_name
3286
self._supply_sub_formats_to(format)
3287
bzrdir = remote.RemoteBzrDir(transport, format, _client=client)
3289
repo_format = remote.response_tuple_to_repo_format(response[1:])
3290
if repo_path == '.':
3293
repo_bzrdir_format = RemoteBzrDirFormat()
3294
repo_bzrdir_format._network_name = response[5]
3295
repo_bzr = remote.RemoteBzrDir(transport.clone(repo_path),
3299
final_stack = response[8] or None
3300
final_stack_pwd = response[9] or None
3302
final_stack_pwd = urlutils.join(
3303
transport.base, final_stack_pwd)
3304
remote_repo = remote.RemoteRepository(repo_bzr, repo_format)
3305
if len(response) > 10:
3306
# Updated server verb that locks remotely.
3307
repo_lock_token = response[10] or None
3308
remote_repo.lock_write(repo_lock_token, _skip_rpc=True)
3310
remote_repo.dont_leave_lock_in_place()
3312
remote_repo.lock_write()
3313
policy = UseExistingRepository(remote_repo, final_stack,
3314
final_stack_pwd, require_stacking)
3315
policy.acquire_repository()
3319
bzrdir._format.set_branch_format(self.get_branch_format())
3320
if require_stacking:
3321
# The repo has already been created, but we need to make sure that
3322
# we'll make a stackable branch.
3323
bzrdir._format.require_stacking(_skip_repo=True)
3324
return remote_repo, bzrdir, require_stacking, policy
3326
def _open(self, transport):
3327
return remote.RemoteBzrDir(transport, self)
3329
def __eq__(self, other):
3330
if not isinstance(other, RemoteBzrDirFormat):
3332
return self.get_format_description() == other.get_format_description()
3334
def __return_repository_format(self):
3335
# Always return a RemoteRepositoryFormat object, but if a specific bzr
3336
# repository format has been asked for, tell the RemoteRepositoryFormat
3337
# that it should use that for init() etc.
3338
result = remote.RemoteRepositoryFormat()
3339
custom_format = getattr(self, '_repository_format', None)
3341
if isinstance(custom_format, remote.RemoteRepositoryFormat):
3342
return custom_format
3344
# We will use the custom format to create repositories over the
3345
# wire; expose its details like rich_root_data for code to
3347
result._custom_format = custom_format
3350
def get_branch_format(self):
3351
result = BzrDirMetaFormat1.get_branch_format(self)
3352
if not isinstance(result, remote.RemoteBranchFormat):
3353
new_result = remote.RemoteBranchFormat()
3354
new_result._custom_format = result
3356
self.set_branch_format(new_result)
3360
repository_format = property(__return_repository_format,
3361
BzrDirMetaFormat1._set_repository_format) #.im_func)
3364
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
3367
class BzrDirFormatInfo(object):
3369
def __init__(self, native, deprecated, hidden, experimental):
3370
self.deprecated = deprecated
3371
self.native = native
3372
self.hidden = hidden
3373
self.experimental = experimental
3376
class BzrDirFormatRegistry(registry.Registry):
3377
"""Registry of user-selectable BzrDir subformats.
3379
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
3380
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
3384
"""Create a BzrDirFormatRegistry."""
3385
self._aliases = set()
3386
self._registration_order = list()
3387
super(BzrDirFormatRegistry, self).__init__()
3390
"""Return a set of the format names which are aliases."""
3391
return frozenset(self._aliases)
3393
def register_metadir(self, key,
3394
repository_format, help, native=True, deprecated=False,
3400
"""Register a metadir subformat.
3402
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
3403
by the Repository/Branch/WorkingTreeformats.
3405
:param repository_format: The fully-qualified repository format class
3407
:param branch_format: Fully-qualified branch format class name as
3409
:param tree_format: Fully-qualified tree format class name as
3412
# This should be expanded to support setting WorkingTree and Branch
3413
# formats, once BzrDirMetaFormat1 supports that.
3414
def _load(full_name):
3415
mod_name, factory_name = full_name.rsplit('.', 1)
3417
mod = __import__(mod_name, globals(), locals(),
3419
except ImportError, e:
3420
raise ImportError('failed to load %s: %s' % (full_name, e))
3422
factory = getattr(mod, factory_name)
3423
except AttributeError:
3424
raise AttributeError('no factory %s in module %r'
3429
bd = BzrDirMetaFormat1()
3430
if branch_format is not None:
3431
bd.set_branch_format(_load(branch_format))
3432
if tree_format is not None:
3433
bd.workingtree_format = _load(tree_format)
3434
if repository_format is not None:
3435
bd.repository_format = _load(repository_format)
3437
self.register(key, helper, help, native, deprecated, hidden,
3438
experimental, alias)
3440
def register(self, key, factory, help, native=True, deprecated=False,
3441
hidden=False, experimental=False, alias=False):
3442
"""Register a BzrDirFormat factory.
3444
The factory must be a callable that takes one parameter: the key.
3445
It must produce an instance of the BzrDirFormat when called.
3447
This function mainly exists to prevent the info object from being
3450
registry.Registry.register(self, key, factory, help,
3451
BzrDirFormatInfo(native, deprecated, hidden, experimental))
3453
self._aliases.add(key)
3454
self._registration_order.append(key)
3456
def register_lazy(self, key, module_name, member_name, help, native=True,
3457
deprecated=False, hidden=False, experimental=False, alias=False):
3458
registry.Registry.register_lazy(self, key, module_name, member_name,
3459
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
3461
self._aliases.add(key)
3462
self._registration_order.append(key)
3464
def set_default(self, key):
3465
"""Set the 'default' key to be a clone of the supplied key.
3467
This method must be called once and only once.
3469
registry.Registry.register(self, 'default', self.get(key),
3470
self.get_help(key), info=self.get_info(key))
3471
self._aliases.add('default')
3473
def set_default_repository(self, key):
3474
"""Set the FormatRegistry default and Repository default.
3476
This is a transitional method while Repository.set_default_format
3479
if 'default' in self:
3480
self.remove('default')
3481
self.set_default(key)
3482
format = self.get('default')()
3484
def make_bzrdir(self, key):
3485
return self.get(key)()
3487
def help_topic(self, topic):
3489
default_realkey = None
3490
default_help = self.get_help('default')
3492
for key in self._registration_order:
3493
if key == 'default':
3495
help = self.get_help(key)
3496
if help == default_help:
3497
default_realkey = key
3499
help_pairs.append((key, help))
3501
def wrapped(key, help, info):
3503
help = '(native) ' + help
3504
return ':%s:\n%s\n\n' % (key,
3505
textwrap.fill(help, initial_indent=' ',
3506
subsequent_indent=' ',
3507
break_long_words=False))
3508
if default_realkey is not None:
3509
output += wrapped(default_realkey, '(default) %s' % default_help,
3510
self.get_info('default'))
3511
deprecated_pairs = []
3512
experimental_pairs = []
3513
for key, help in help_pairs:
3514
info = self.get_info(key)
3517
elif info.deprecated:
3518
deprecated_pairs.append((key, help))
3519
elif info.experimental:
3520
experimental_pairs.append((key, help))
3522
output += wrapped(key, help, info)
3523
output += "\nSee :doc:`formats-help` for more about storage formats."
3525
if len(experimental_pairs) > 0:
3526
other_output += "Experimental formats are shown below.\n\n"
3527
for key, help in experimental_pairs:
3528
info = self.get_info(key)
3529
other_output += wrapped(key, help, info)
3532
"No experimental formats are available.\n\n"
3533
if len(deprecated_pairs) > 0:
3534
other_output += "\nDeprecated formats are shown below.\n\n"
3535
for key, help in deprecated_pairs:
3536
info = self.get_info(key)
3537
other_output += wrapped(key, help, info)
3540
"\nNo deprecated formats are available.\n\n"
3542
"\nSee :doc:`formats-help` for more about storage formats."
3544
if topic == 'other-formats':
3550
class RepositoryAcquisitionPolicy(object):
3551
"""Abstract base class for repository acquisition policies.
3553
A repository acquisition policy decides how a BzrDir acquires a repository
3554
for a branch that is being created. The most basic policy decision is
3555
whether to create a new repository or use an existing one.
3557
def __init__(self, stack_on, stack_on_pwd, require_stacking):
3560
:param stack_on: A location to stack on
3561
:param stack_on_pwd: If stack_on is relative, the location it is
3563
:param require_stacking: If True, it is a failure to not stack.
3565
self._stack_on = stack_on
3566
self._stack_on_pwd = stack_on_pwd
3567
self._require_stacking = require_stacking
3569
def configure_branch(self, branch):
3570
"""Apply any configuration data from this policy to the branch.
3572
Default implementation sets repository stacking.
3574
if self._stack_on is None:
3576
if self._stack_on_pwd is None:
3577
stack_on = self._stack_on
3580
stack_on = urlutils.rebase_url(self._stack_on,
3582
branch.bzrdir.root_transport.base)
3583
except errors.InvalidRebaseURLs:
3584
stack_on = self._get_full_stack_on()
3586
branch.set_stacked_on_url(stack_on)
3587
except (errors.UnstackableBranchFormat,
3588
errors.UnstackableRepositoryFormat):
3589
if self._require_stacking:
3592
def requires_stacking(self):
3593
"""Return True if this policy requires stacking."""
3594
return self._stack_on is not None and self._require_stacking
3596
def _get_full_stack_on(self):
3597
"""Get a fully-qualified URL for the stack_on location."""
3598
if self._stack_on is None:
3600
if self._stack_on_pwd is None:
3601
return self._stack_on
3603
return urlutils.join(self._stack_on_pwd, self._stack_on)
3605
def _add_fallback(self, repository, possible_transports=None):
3606
"""Add a fallback to the supplied repository, if stacking is set."""
3607
stack_on = self._get_full_stack_on()
3608
if stack_on is None:
3611
stacked_dir = BzrDir.open(stack_on,
3612
possible_transports=possible_transports)
3613
except errors.JailBreak:
3614
# We keep the stacking details, but we are in the server code so
3615
# actually stacking is not needed.
3618
stacked_repo = stacked_dir.open_branch().repository
3619
except errors.NotBranchError:
3620
stacked_repo = stacked_dir.open_repository()
3622
repository.add_fallback_repository(stacked_repo)
3623
except errors.UnstackableRepositoryFormat:
3624
if self._require_stacking:
3627
self._require_stacking = True
3629
def acquire_repository(self, make_working_trees=None, shared=False):
3630
"""Acquire a repository for this bzrdir.
3632
Implementations may create a new repository or use a pre-exising
3634
:param make_working_trees: If creating a repository, set
3635
make_working_trees to this value (if non-None)
3636
:param shared: If creating a repository, make it shared if True
3637
:return: A repository, is_new_flag (True if the repository was
3640
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
3643
class CreateRepository(RepositoryAcquisitionPolicy):
3644
"""A policy of creating a new repository"""
3646
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
3647
require_stacking=False):
3650
:param bzrdir: The bzrdir to create the repository on.
3651
:param stack_on: A location to stack on
3652
:param stack_on_pwd: If stack_on is relative, the location it is
3655
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3657
self._bzrdir = bzrdir
3659
def acquire_repository(self, make_working_trees=None, shared=False):
3660
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3662
Creates the desired repository in the bzrdir we already have.
3664
stack_on = self._get_full_stack_on()
3666
format = self._bzrdir._format
3667
format.require_stacking(stack_on=stack_on,
3668
possible_transports=[self._bzrdir.root_transport])
3669
if not self._require_stacking:
3670
# We have picked up automatic stacking somewhere.
3671
note('Using default stacking branch %s at %s', self._stack_on,
3673
repository = self._bzrdir.create_repository(shared=shared)
3674
self._add_fallback(repository,
3675
possible_transports=[self._bzrdir.transport])
3676
if make_working_trees is not None:
3677
repository.set_make_working_trees(make_working_trees)
3678
return repository, True
3681
class UseExistingRepository(RepositoryAcquisitionPolicy):
3682
"""A policy of reusing an existing repository"""
3684
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
3685
require_stacking=False):
3688
:param repository: The repository to use.
3689
:param stack_on: A location to stack on
3690
:param stack_on_pwd: If stack_on is relative, the location it is
3693
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3695
self._repository = repository
3697
def acquire_repository(self, make_working_trees=None, shared=False):
3698
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3700
Returns an existing repository to use.
3702
self._add_fallback(self._repository,
3703
possible_transports=[self._repository.bzrdir.transport])
3704
return self._repository, False
3707
# Please register new formats after old formats so that formats
3708
# appear in chronological order and format descriptions can build
3710
format_registry = BzrDirFormatRegistry()
3711
# The pre-0.8 formats have their repository format network name registered in
3712
# repository.py. MetaDir formats have their repository format network name
3713
# inferred from their disk format string.
3714
format_registry.register('weave', BzrDirFormat6,
3715
'Pre-0.8 format. Slower than knit and does not'
3716
' support checkouts or shared repositories.',
3719
format_registry.register_metadir('metaweave',
3720
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
3721
'Transitional format in 0.8. Slower than knit.',
3722
branch_format='bzrlib.branch.BzrBranchFormat5',
3723
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3726
format_registry.register_metadir('knit',
3727
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3728
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
3729
branch_format='bzrlib.branch.BzrBranchFormat5',
3730
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3733
format_registry.register_metadir('dirstate',
3734
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3735
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
3736
'above when accessed over the network.',
3737
branch_format='bzrlib.branch.BzrBranchFormat5',
3738
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
3739
# directly from workingtree_4 triggers a circular import.
3740
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3743
format_registry.register_metadir('dirstate-tags',
3744
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3745
help='New in 0.15: Fast local operations and improved scaling for '
3746
'network operations. Additionally adds support for tags.'
3747
' Incompatible with bzr < 0.15.',
3748
branch_format='bzrlib.branch.BzrBranchFormat6',
3749
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3752
format_registry.register_metadir('rich-root',
3753
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
3754
help='New in 1.0. Better handling of tree roots. Incompatible with'
3756
branch_format='bzrlib.branch.BzrBranchFormat6',
3757
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3760
format_registry.register_metadir('dirstate-with-subtree',
3761
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3762
help='New in 0.15: Fast local operations and improved scaling for '
3763
'network operations. Additionally adds support for versioning nested '
3764
'bzr branches. Incompatible with bzr < 0.15.',
3765
branch_format='bzrlib.branch.BzrBranchFormat6',
3766
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3770
format_registry.register_metadir('pack-0.92',
3771
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3772
help='New in 0.92: Pack-based format with data compatible with '
3773
'dirstate-tags format repositories. Interoperates with '
3774
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3776
branch_format='bzrlib.branch.BzrBranchFormat6',
3777
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3779
format_registry.register_metadir('pack-0.92-subtree',
3780
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3781
help='New in 0.92: Pack-based format with data compatible with '
3782
'dirstate-with-subtree format repositories. Interoperates with '
3783
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3785
branch_format='bzrlib.branch.BzrBranchFormat6',
3786
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3790
format_registry.register_metadir('rich-root-pack',
3791
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3792
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
3793
'(needed for bzr-svn and bzr-git).',
3794
branch_format='bzrlib.branch.BzrBranchFormat6',
3795
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3798
format_registry.register_metadir('1.6',
3799
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3800
help='A format that allows a branch to indicate that there is another '
3801
'(stacked) repository that should be used to access data that is '
3802
'not present locally.',
3803
branch_format='bzrlib.branch.BzrBranchFormat7',
3804
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3807
format_registry.register_metadir('1.6.1-rich-root',
3808
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3809
help='A variant of 1.6 that supports rich-root data '
3810
'(needed for bzr-svn and bzr-git).',
3811
branch_format='bzrlib.branch.BzrBranchFormat7',
3812
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3815
format_registry.register_metadir('1.9',
3816
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3817
help='A repository format using B+tree indexes. These indexes '
3818
'are smaller in size, have smarter caching and provide faster '
3819
'performance for most operations.',
3820
branch_format='bzrlib.branch.BzrBranchFormat7',
3821
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3824
format_registry.register_metadir('1.9-rich-root',
3825
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3826
help='A variant of 1.9 that supports rich-root data '
3827
'(needed for bzr-svn and bzr-git).',
3828
branch_format='bzrlib.branch.BzrBranchFormat7',
3829
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3832
format_registry.register_metadir('1.14',
3833
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3834
help='A working-tree format that supports content filtering.',
3835
branch_format='bzrlib.branch.BzrBranchFormat7',
3836
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3838
format_registry.register_metadir('1.14-rich-root',
3839
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3840
help='A variant of 1.14 that supports rich-root data '
3841
'(needed for bzr-svn and bzr-git).',
3842
branch_format='bzrlib.branch.BzrBranchFormat7',
3843
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3845
# The following un-numbered 'development' formats should always just be aliases.
3846
format_registry.register_metadir('development-rich-root',
3847
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
3848
help='Current development format. Supports rich roots. Can convert data '
3849
'to and from rich-root-pack (and anything compatible with '
3850
'rich-root-pack) format repositories. Repositories and branches in '
3851
'this format can only be read by bzr.dev. Please read '
3852
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3854
branch_format='bzrlib.branch.BzrBranchFormat7',
3855
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3860
format_registry.register_metadir('development-subtree',
3861
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3862
help='Current development format, subtree variant. Can convert data to and '
3863
'from pack-0.92-subtree (and anything compatible with '
3864
'pack-0.92-subtree) format repositories. Repositories and branches in '
3865
'this format can only be read by bzr.dev. Please read '
3866
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3868
branch_format='bzrlib.branch.BzrBranchFormat7',
3869
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3872
alias=False, # Restore to being an alias when an actual development subtree format is added
3873
# This current non-alias status is simply because we did not introduce a
3874
# chk based subtree format.
3877
# And the development formats above will have aliased one of the following:
3878
format_registry.register_metadir('development6-rich-root',
3879
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
3880
help='pack-1.9 with 255-way hashed CHK inv, group compress, rich roots '
3882
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3884
branch_format='bzrlib.branch.BzrBranchFormat7',
3885
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3890
format_registry.register_metadir('development7-rich-root',
3891
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK2',
3892
help='pack-1.9 with 255-way hashed CHK inv, bencode revision, group compress, '
3893
'rich roots. Please read '
3894
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3896
branch_format='bzrlib.branch.BzrBranchFormat7',
3897
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3902
format_registry.register_metadir('2a',
3903
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
3904
help='First format for bzr 2.0 series.\n'
3905
'Uses group-compress storage.\n'
3906
'Provides rich roots which are a one-way transition.\n',
3907
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
3908
# 'rich roots. Supported by bzr 1.16 and later.',
3909
branch_format='bzrlib.branch.BzrBranchFormat7',
3910
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3914
# The following format should be an alias for the rich root equivalent
3915
# of the default format
3916
format_registry.register_metadir('default-rich-root',
3917
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
3918
branch_format='bzrlib.branch.BzrBranchFormat7',
3919
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3924
# The current format that is made on 'bzr init'.
3925
format_registry.set_default('2a')