146
168
format.get_format_description(),
149
def clone(self, url, revision_id=None, force_new_repo=False):
171
def clone(self, url, revision_id=None, force_new_repo=False,
172
preserve_stacking=False):
150
173
"""Clone this bzrdir and its contents to url verbatim.
152
If urls last component does not exist, it will be created.
154
if revision_id is not None, then the clone operation may tune
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
155
179
itself to download less data.
156
:param force_new_repo: Do not use a shared repository for the target
180
:param force_new_repo: Do not use a shared repository for the target
157
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.
159
185
return self.clone_on_transport(get_transport(url),
160
186
revision_id=revision_id,
161
force_new_repo=force_new_repo)
187
force_new_repo=force_new_repo,
188
preserve_stacking=preserve_stacking)
163
190
def clone_on_transport(self, transport, revision_id=None,
164
force_new_repo=False):
191
force_new_repo=False, preserve_stacking=False, stacked_on=None,
192
create_prefix=False, use_existing_dir=True):
165
193
"""Clone this bzrdir and its contents to transport verbatim.
167
If the target directory does not exist, it will be created.
169
if revision_id is not None, then the clone operation may tune
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
170
199
itself to download less data.
171
:param force_new_repo: Do not use a shared repository for the target
200
:param force_new_repo: Do not use a shared repository for the target,
172
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.
174
transport.ensure_base()
175
result = self._format.initialize_on_transport(transport)
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:
177
218
local_repo = self.find_repository()
178
219
except errors.NoRepositoryPresent:
179
220
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,
181
# may need to copy content in
183
result_repo = local_repo.clone(
185
revision_id=revision_id)
186
result_repo.set_make_working_trees(local_repo.make_working_trees())
189
result_repo = result.find_repository()
190
# fetch content this dir needs.
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)
191
270
result_repo.fetch(local_repo, revision_id=revision_id)
192
except errors.NoRepositoryPresent:
193
# needed to make one anyway.
194
result_repo = local_repo.clone(
196
revision_id=revision_id)
197
result_repo.set_make_working_trees(local_repo.make_working_trees())
274
if result_repo is not None:
275
raise AssertionError('result_repo not None(%r)' % result_repo)
198
276
# 1 if there is a branch present
199
277
# make sure its content is available in the target repository
202
self.open_branch().clone(result, revision_id=revision_id)
203
except errors.NotBranchError:
206
self.open_workingtree().clone(result)
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)
207
288
except (errors.NoWorkingTree, errors.NotLocalUrl):
234
312
if format is None:
235
313
format = BzrDirFormat.get_default_format()
236
return format.initialize(base, possible_transports)
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)
238
393
def create_branch(self):
239
394
"""Create a branch in this BzrDir.
241
The bzrdirs format will control what branch format is created.
396
The bzrdir's format will control what branch format is created.
242
397
For more control see BranchFormatXX.create(a_bzrdir).
244
399
raise NotImplementedError(self.create_branch)
401
def destroy_branch(self):
402
"""Destroy the branch in this BzrDir"""
403
raise NotImplementedError(self.destroy_branch)
247
406
def create_branch_and_repo(base, force_new_repo=False, format=None):
248
407
"""Create a new BzrDir, Branch and Repository at the url 'base'.
250
This will use the current default BzrDirFormat, and use whatever
409
This will use the current default BzrDirFormat unless one is
410
specified, and use whatever
251
411
repository format that that uses via bzrdir.create_branch and
252
412
create_repository. If a shared repository is available that is used
257
417
:param base: The URL to create the branch at.
258
418
:param force_new_repo: If True a new repository is always created.
419
:param format: If supplied, the format of branch to create. If not
420
supplied, the default is used.
260
422
bzrdir = BzrDir.create(base, format)
261
423
bzrdir._find_or_create_repository(force_new_repo)
262
424
return bzrdir.create_branch()
426
def determine_repository_policy(self, force_new_repo=False, stack_on=None,
427
stack_on_pwd=None, require_stacking=False):
428
"""Return an object representing a policy to use.
430
This controls whether a new repository is created, and the format of
431
that repository, or some existing shared repository used instead.
433
If stack_on is supplied, will not seek a containing shared repo.
435
:param force_new_repo: If True, require a new repository to be created.
436
:param stack_on: If supplied, the location to stack on. If not
437
supplied, a default_stack_on location may be used.
438
:param stack_on_pwd: If stack_on is relative, the location it is
441
def repository_policy(found_bzrdir):
444
config = found_bzrdir.get_config()
446
stack_on = config.get_default_stack_on()
447
if stack_on is not None:
448
stack_on_pwd = found_bzrdir.root_transport.base
450
# does it have a repository ?
452
repository = found_bzrdir.open_repository()
453
except errors.NoRepositoryPresent:
456
if ((found_bzrdir.root_transport.base !=
457
self.root_transport.base) and not repository.is_shared()):
458
# Don't look higher, can't use a higher shared repo.
466
return UseExistingRepository(repository, stack_on,
467
stack_on_pwd, require_stacking=require_stacking), True
469
return CreateRepository(self, stack_on, stack_on_pwd,
470
require_stacking=require_stacking), True
472
if not force_new_repo:
474
policy = self._find_containing(repository_policy)
475
if policy is not None:
479
return UseExistingRepository(self.open_repository(),
480
stack_on, stack_on_pwd,
481
require_stacking=require_stacking)
482
except errors.NoRepositoryPresent:
484
return CreateRepository(self, stack_on, stack_on_pwd,
485
require_stacking=require_stacking)
264
487
def _find_or_create_repository(self, force_new_repo):
265
488
"""Create a new repository if needed, returning the repository."""
267
return self.create_repository()
269
return self.find_repository()
270
except errors.NoRepositoryPresent:
271
return self.create_repository()
489
policy = self.determine_repository_policy(force_new_repo)
490
return policy.acquire_repository()[0]
274
493
def create_branch_convenience(base, force_new_repo=False,
275
494
force_new_tree=None, format=None,
318
@deprecated_function(zero_ninetyone)
319
def create_repository(base, shared=False, format=None):
320
"""Create a new BzrDir and Repository at the url 'base'.
322
If no format is supplied, this will default to the current default
323
BzrDirFormat by default, and use whatever repository format that that
324
uses for bzrdirformat.create_repository.
326
:param shared: Create a shared repository rather than a standalone
328
The Repository object is returned.
330
This must be overridden as an instance method in child classes, where
331
it should take no parameters and construct whatever repository format
332
that child class desires.
334
This method is deprecated, please call create_repository on a bzrdir
337
bzrdir = BzrDir.create(base, format)
338
return bzrdir.create_repository(shared)
341
538
def create_standalone_workingtree(base, format=None):
342
539
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
344
541
'base' must be a local path or a file:// url.
346
This will use the current default BzrDirFormat, and use whatever
543
This will use the current default BzrDirFormat unless one is
544
specified, and use whatever
347
545
repository format that that uses for bzrdirformat.create_workingtree,
348
546
create_branch and create_repository.
548
:param format: Override for the bzrdir format to create.
350
549
:return: The WorkingTree object.
352
551
t = get_transport(base)
353
if not isinstance(t, LocalTransport):
552
if not isinstance(t, local.LocalTransport):
354
553
raise errors.NotLocalUrl(base)
355
554
bzrdir = BzrDir.create_branch_and_repo(base,
356
555
force_new_repo=True,
357
556
format=format).bzrdir
358
557
return bzrdir.create_workingtree()
360
def create_workingtree(self, revision_id=None):
559
def create_workingtree(self, revision_id=None, from_branch=None,
560
accelerator_tree=None, hardlink=False):
361
561
"""Create a working tree at this BzrDir.
363
revision_id: create it as of this revision id.
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.
365
570
raise NotImplementedError(self.create_workingtree)
367
def retire_bzrdir(self):
572
def backup_bzrdir(self):
573
"""Backup this bzr control directory.
575
:return: Tuple with old path name and new path name
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
pb.note('making backup of %s' % (old_path,))
588
pb.note(' to %s' % (new_path,))
589
self.root_transport.copy_tree('.bzr', 'backup.bzr')
590
return (old_path, new_path)
594
def retire_bzrdir(self, limit=10000):
368
595
"""Permanently disable the bzrdir.
370
597
This is done by renaming it to give the user some ability to recover
646
970
relpath is the portion of the path that is contained by the branch.
648
972
bzrdir, relpath = klass.open_containing(location)
650
tree = bzrdir.open_workingtree()
651
except (errors.NoWorkingTree, errors.NotLocalUrl):
653
branch = bzrdir.open_branch()
973
tree, branch = bzrdir._get_tree_branch()
656
974
return tree, branch, relpath
977
def open_containing_tree_branch_or_repository(klass, location):
978
"""Return the working tree, branch and repo contained by a location.
980
Returns (tree, branch, repository, relpath).
981
If there is no tree containing the location, tree will be None.
982
If there is no branch containing the location, branch will be None.
983
If there is no repository containing the location, repository will be
985
relpath is the portion of the path that is contained by the innermost
988
If no tree, branch or repository is found, a NotBranchError is raised.
990
bzrdir, relpath = klass.open_containing(location)
992
tree, branch = bzrdir._get_tree_branch()
993
except errors.NotBranchError:
995
repo = bzrdir.find_repository()
996
return None, None, repo, relpath
997
except (errors.NoRepositoryPresent):
998
raise errors.NotBranchError(location)
999
return tree, branch, branch.repository, relpath
658
1001
def open_repository(self, _unsupported=False):
659
1002
"""Open the repository object at this BzrDir if one is present.
661
This will not follow the Branch object pointer - its strictly a direct
1004
This will not follow the Branch object pointer - it's strictly a direct
662
1005
open facility. Most client code should use open_branch().repository to
663
1006
get at a repository.
665
_unsupported is a private parameter, not part of the api.
1008
:param _unsupported: a private parameter, not part of the api.
666
1009
TODO: static convenience version of this?
668
1011
raise NotImplementedError(self.open_repository)
670
1013
def open_workingtree(self, _unsupported=False,
671
recommend_upgrade=True):
1014
recommend_upgrade=True, from_branch=None):
672
1015
"""Open the workingtree object at this BzrDir if one is present.
674
1017
:param recommend_upgrade: Optional keyword parameter, when True (the
675
1018
default), emit through the ui module a recommendation that the user
676
1019
upgrade the working tree when the workingtree being opened is old
677
1020
(but still fully supported).
1021
:param from_branch: override bzrdir branch (for lightweight checkouts)
679
1023
raise NotImplementedError(self.open_workingtree)
681
1025
def has_branch(self):
682
1026
"""Tell if this bzrdir contains a branch.
684
1028
Note: if you're going to open the branch, you should just go ahead
685
and try, and not ask permission first. (This method just opens the
686
branch and discards it, and that's somewhat expensive.)
1029
and try, and not ask permission first. (This method just opens the
1030
branch and discards it, and that's somewhat expensive.)
689
1033
self.open_branch()
770
1134
if revision_id is not None, then the clone operation may tune
771
1135
itself to download less data.
1136
:param accelerator_tree: A tree which can be used for retrieving file
1137
contents more quickly than the revision tree, i.e. a workingtree.
1138
The revision tree will be used for cases where accelerator_tree's
1139
content is different.
1140
:param hardlink: If true, hard-link files from accelerator_tree,
1142
:param stacked: If true, create a stacked branch referring to the
1143
location of this control directory.
1144
:param create_tree_if_local: If true, a working-tree will be created
1145
when working locally.
773
1147
target_transport = get_transport(url, possible_transports)
774
1148
target_transport.ensure_base()
775
cloning_format = self.cloning_metadir()
1149
cloning_format = self.cloning_metadir(stacked)
1150
# Create/update the result branch
776
1151
result = cloning_format.initialize_on_transport(target_transport)
778
source_branch = self.open_branch()
1152
# if a stacked branch wasn't requested, we don't create one
1153
# even if the origin was stacked
1154
stacked_branch_url = None
1155
if source_branch is not None:
1157
stacked_branch_url = self.root_transport.base
779
1158
source_repository = source_branch.repository
780
except errors.NotBranchError:
783
source_repository = self.open_repository()
784
except errors.NoRepositoryPresent:
785
source_repository = None
790
result_repo = result.find_repository()
791
except errors.NoRepositoryPresent:
793
if source_repository is None and result_repo is not None:
795
elif source_repository is None and result_repo is None:
796
# no repo available, make a new one
797
result.create_repository()
798
elif source_repository is not None and result_repo is None:
799
# have source, and want to make a new target repo
800
result_repo = source_repository.sprout(result,
801
revision_id=revision_id)
803
# fetch needed content into target.
804
if source_repository is not None:
806
# source_repository.copy_content_into(result_repo,
807
# revision_id=revision_id)
808
# so we can override the copy method
1161
source_branch = self.open_branch()
1162
source_repository = source_branch.repository
1164
stacked_branch_url = self.root_transport.base
1165
except errors.NotBranchError:
1166
source_branch = None
1168
source_repository = self.open_repository()
1169
except errors.NoRepositoryPresent:
1170
source_repository = None
1171
repository_policy = result.determine_repository_policy(
1172
force_new_repo, stacked_branch_url, require_stacking=stacked)
1173
result_repo, is_new_repo = repository_policy.acquire_repository()
1174
if is_new_repo and revision_id is not None and not stacked:
1175
fetch_spec = graph.PendingAncestryResult(
1176
[revision_id], source_repository)
1179
if source_repository is not None:
1180
# Fetch while stacked to prevent unstacked fetch from
1182
if fetch_spec is None:
809
1183
result_repo.fetch(source_repository, revision_id=revision_id)
810
if source_branch is not None:
811
source_branch.sprout(result, revision_id=revision_id)
1185
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
1187
if source_branch is None:
1188
# this is for sprouting a bzrdir without a branch; is that
1190
# Not especially, but it's part of the contract.
1191
result_branch = result.create_branch()
813
result.create_branch()
814
if isinstance(target_transport, LocalTransport) and (
815
result_repo is None or result_repo.make_working_trees()):
816
wt = result.create_workingtree()
1193
result_branch = source_branch.sprout(result,
1194
revision_id=revision_id, repository_policy=repository_policy)
1195
mutter("created new branch %r" % (result_branch,))
1197
# Create/update the result working tree
1198
if (create_tree_if_local and
1199
isinstance(target_transport, local.LocalTransport) and
1200
(result_repo is None or result_repo.make_working_trees())):
1201
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
819
1205
if wt.path2id('') is None:
845
1233
sublocation = source_branch.reference_parent(file_id, path)
846
1234
sublocation.bzrdir.sprout(target,
847
1235
basis.get_reference_revision(file_id, path),
848
force_new_repo=force_new_repo, recurse=recurse)
1236
force_new_repo=force_new_repo, recurse=recurse,
850
1239
if basis is not None:
1243
def push_branch(self, source, revision_id=None, overwrite=False,
1244
remember=False, create_prefix=False):
1245
"""Push the source branch into this BzrDir."""
1247
# If we can open a branch, use its direct repository, otherwise see
1248
# if there is a repository without a branch.
1250
br_to = self.open_branch()
1251
except errors.NotBranchError:
1252
# Didn't find a branch, can we find a repository?
1253
repository_to = self.find_repository()
1255
# Found a branch, so we must have found a repository
1256
repository_to = br_to.repository
1258
push_result = PushResult()
1259
push_result.source_branch = source
1261
# We have a repository but no branch, copy the revisions, and then
1263
repository_to.fetch(source.repository, revision_id=revision_id)
1264
br_to = source.clone(self, revision_id=revision_id)
1265
if source.get_push_location() is None or remember:
1266
source.set_push_location(br_to.base)
1267
push_result.stacked_on = None
1268
push_result.branch_push_result = None
1269
push_result.old_revno = None
1270
push_result.old_revid = _mod_revision.NULL_REVISION
1271
push_result.target_branch = br_to
1272
push_result.master_branch = None
1273
push_result.workingtree_updated = False
1275
# We have successfully opened the branch, remember if necessary:
1276
if source.get_push_location() is None or remember:
1277
source.set_push_location(br_to.base)
1279
tree_to = self.open_workingtree()
1280
except errors.NotLocalUrl:
1281
push_result.branch_push_result = source.push(br_to,
1282
overwrite, stop_revision=revision_id)
1283
push_result.workingtree_updated = False
1284
except errors.NoWorkingTree:
1285
push_result.branch_push_result = source.push(br_to,
1286
overwrite, stop_revision=revision_id)
1287
push_result.workingtree_updated = None # Not applicable
1289
tree_to.lock_write()
1291
push_result.branch_push_result = source.push(
1292
tree_to.branch, overwrite, stop_revision=revision_id)
1296
push_result.workingtree_updated = True
1297
push_result.old_revno = push_result.branch_push_result.old_revno
1298
push_result.old_revid = push_result.branch_push_result.old_revid
1299
push_result.target_branch = \
1300
push_result.branch_push_result.target_branch
1304
class BzrDirHooks(hooks.Hooks):
1305
"""Hooks for BzrDir operations."""
1308
"""Create the default hooks."""
1309
hooks.Hooks.__init__(self)
1310
self.create_hook(hooks.HookPoint('pre_open',
1311
"Invoked before attempting to open a BzrDir with the transport "
1312
"that the open will use.", (1, 14), None))
1314
# install the default hooks
1315
BzrDir.hooks = BzrDirHooks()
855
1318
class BzrDirPreSplitOut(BzrDir):
856
1319
"""A common class for the all-in-one formats."""
1314
1856
def initialize_on_transport(self, transport):
1315
1857
"""Initialize a new bzrdir in the base directory of a Transport."""
1316
# Since we don't have a .bzr directory, inherit the
1859
# can we hand off the request to the smart server rather than using
1861
client_medium = transport.get_smart_medium()
1862
except errors.NoSmartMedium:
1863
return self._initialize_on_transport_vfs(transport)
1865
# Current RPC's only know how to create bzr metadir1 instances, so
1866
# we still delegate to vfs methods if the requested format is not a
1868
if type(self) != BzrDirMetaFormat1:
1869
return self._initialize_on_transport_vfs(transport)
1870
remote_format = RemoteBzrDirFormat()
1871
self._supply_sub_formats_to(remote_format)
1872
return remote_format.initialize_on_transport(transport)
1874
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
1875
create_prefix=False, force_new_repo=False, stacked_on=None,
1876
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
1877
shared_repo=False, vfs_only=False):
1878
"""Create this format on transport.
1880
The directory to initialize will be created.
1882
:param force_new_repo: Do not use a shared repository for the target,
1883
even if one is available.
1884
:param create_prefix: Create any missing directories leading up to
1886
:param use_existing_dir: Use an existing directory if one exists.
1887
:param stacked_on: A url to stack any created branch on, None to follow
1888
any target stacking policy.
1889
:param stack_on_pwd: If stack_on is relative, the location it is
1891
:param repo_format_name: If non-None, a repository will be
1892
made-or-found. Should none be found, or if force_new_repo is True
1893
the repo_format_name is used to select the format of repository to
1895
:param make_working_trees: Control the setting of make_working_trees
1896
for a new shared repository when one is made. None to use whatever
1897
default the format has.
1898
:param shared_repo: Control whether made repositories are shared or
1900
:param vfs_only: If True do not attempt to use a smart server
1901
:return: repo, bzrdir, require_stacking, repository_policy. repo is
1902
None if none was created or found, bzrdir is always valid.
1903
require_stacking is the result of examining the stacked_on
1904
parameter and any stacking policy found for the target.
1907
# Try to hand off to a smart server
1909
client_medium = transport.get_smart_medium()
1910
except errors.NoSmartMedium:
1913
# TODO: lookup the local format from a server hint.
1914
remote_dir_format = RemoteBzrDirFormat()
1915
remote_dir_format._network_name = self.network_name()
1916
self._supply_sub_formats_to(remote_dir_format)
1917
return remote_dir_format.initialize_on_transport_ex(transport,
1918
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
1919
force_new_repo=force_new_repo, stacked_on=stacked_on,
1920
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
1921
make_working_trees=make_working_trees, shared_repo=shared_repo)
1922
# XXX: Refactor the create_prefix/no_create_prefix code into a
1923
# common helper function
1924
# The destination may not exist - if so make it according to policy.
1925
def make_directory(transport):
1926
transport.mkdir('.')
1928
def redirected(transport, e, redirection_notice):
1929
note(redirection_notice)
1930
return transport._redirected_to(e.source, e.target)
1932
transport = do_catching_redirections(make_directory, transport,
1934
except errors.FileExists:
1935
if not use_existing_dir:
1937
except errors.NoSuchFile:
1938
if not create_prefix:
1940
transport.create_prefix()
1942
require_stacking = (stacked_on is not None)
1943
# Now the target directory exists, but doesn't have a .bzr
1944
# directory. So we need to create it, along with any work to create
1945
# all of the dependent branches, etc.
1947
result = self.initialize_on_transport(transport)
1948
if repo_format_name:
1950
# use a custom format
1951
result._format.repository_format = \
1952
repository.network_format_registry.get(repo_format_name)
1953
except AttributeError:
1954
# The format didn't permit it to be set.
1956
# A repository is desired, either in-place or shared.
1957
repository_policy = result.determine_repository_policy(
1958
force_new_repo, stacked_on, stack_on_pwd,
1959
require_stacking=require_stacking)
1960
result_repo, is_new_repo = repository_policy.acquire_repository(
1961
make_working_trees, shared_repo)
1962
if not require_stacking and repository_policy._require_stacking:
1963
require_stacking = True
1964
result._format.require_stacking()
1965
result_repo.lock_write()
1968
repository_policy = None
1969
return result_repo, result, require_stacking, repository_policy
1971
def _initialize_on_transport_vfs(self, transport):
1972
"""Initialize a new bzrdir using VFS calls.
1974
:param transport: The transport to create the .bzr directory in.
1977
# Since we are creating a .bzr directory, inherit the
1317
1978
# mode from the root directory
1318
1979
temp_control = lockable_files.LockableFiles(transport,
1319
1980
'', lockable_files.TransportLock)
1653
2370
def set_branch_format(self, format):
1654
2371
self._branch_format = format
2373
def require_stacking(self, stack_on=None, possible_transports=None,
2375
"""We have a request to stack, try to ensure the formats support it.
2377
:param stack_on: If supplied, it is the URL to a branch that we want to
2378
stack on. Check to see if that format supports stacking before
2381
# Stacking is desired. requested by the target, but does the place it
2382
# points at support stacking? If it doesn't then we should
2383
# not implicitly upgrade. We check this here.
2384
new_repo_format = None
2385
new_branch_format = None
2387
# a bit of state for get_target_branch so that we don't try to open it
2388
# 2 times, for both repo *and* branch
2389
target = [None, False, None] # target_branch, checked, upgrade anyway
2390
def get_target_branch():
2392
# We've checked, don't check again
2394
if stack_on is None:
2395
# No target format, that means we want to force upgrading
2396
target[:] = [None, True, True]
2399
target_dir = BzrDir.open(stack_on,
2400
possible_transports=possible_transports)
2401
except errors.NotBranchError:
2402
# Nothing there, don't change formats
2403
target[:] = [None, True, False]
2405
except errors.JailBreak:
2406
# JailBreak, JFDI and upgrade anyway
2407
target[:] = [None, True, True]
2410
target_branch = target_dir.open_branch()
2411
except errors.NotBranchError:
2412
# No branch, don't upgrade formats
2413
target[:] = [None, True, False]
2415
target[:] = [target_branch, True, False]
2418
if (not _skip_repo and
2419
not self.repository_format.supports_external_lookups):
2420
# We need to upgrade the Repository.
2421
target_branch, _, do_upgrade = get_target_branch()
2422
if target_branch is None:
2423
# We don't have a target branch, should we upgrade anyway?
2425
# stack_on is inaccessible, JFDI.
2426
# TODO: bad monkey, hard-coded formats...
2427
if self.repository_format.rich_root_data:
2428
new_repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
2430
new_repo_format = pack_repo.RepositoryFormatKnitPack5()
2432
# If the target already supports stacking, then we know the
2433
# project is already able to use stacking, so auto-upgrade
2435
new_repo_format = target_branch.repository._format
2436
if not new_repo_format.supports_external_lookups:
2437
# target doesn't, source doesn't, so don't auto upgrade
2439
new_repo_format = None
2440
if new_repo_format is not None:
2441
self.repository_format = new_repo_format
2442
note('Source repository format does not support stacking,'
2443
' using format:\n %s',
2444
new_repo_format.get_format_description())
2446
if not self.get_branch_format().supports_stacking():
2447
# We just checked the repo, now lets check if we need to
2448
# upgrade the branch format
2449
target_branch, _, do_upgrade = get_target_branch()
2450
if target_branch is None:
2452
# TODO: bad monkey, hard-coded formats...
2453
new_branch_format = branch.BzrBranchFormat7()
2455
new_branch_format = target_branch._format
2456
if not new_branch_format.supports_stacking():
2457
new_branch_format = None
2458
if new_branch_format is not None:
2459
# Does support stacking, use its format.
2460
self.set_branch_format(new_branch_format)
2461
note('Source branch format does not support stacking,'
2462
' using format:\n %s',
2463
new_branch_format.get_format_description())
1656
2465
def get_converter(self, format=None):
1657
2466
"""See BzrDirFormat.get_converter()."""
1658
2467
if format is None:
2193
3059
# TODO: conversions of Branch and Tree should be done by
2194
3060
# InterXFormat lookups
2195
3061
if (isinstance(tree, workingtree.WorkingTree3) and
2196
not isinstance(tree, workingtree_4.WorkingTree4) and
3062
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2197
3063
isinstance(self.target_format.workingtree_format,
2198
workingtree_4.WorkingTreeFormat4)):
3064
workingtree_4.DirStateWorkingTreeFormat)):
2199
3065
workingtree_4.Converter3to4().convert(tree)
3066
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3067
not isinstance(tree, workingtree_4.WorkingTree5) and
3068
isinstance(self.target_format.workingtree_format,
3069
workingtree_4.WorkingTreeFormat5)):
3070
workingtree_4.Converter4to5().convert(tree)
3071
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3072
not isinstance(tree, workingtree_4.WorkingTree6) and
3073
isinstance(self.target_format.workingtree_format,
3074
workingtree_4.WorkingTreeFormat6)):
3075
workingtree_4.Converter4or5to6().convert(tree)
2200
3076
return to_convert
2203
# This is not in remote.py because it's small, and needs to be registered.
2204
# Putting it in remote.py creates a circular import problem.
3079
# This is not in remote.py because it's relatively small, and needs to be
3080
# registered. Putting it in remote.py creates a circular import problem.
2205
3081
# we can make it a lazy object if the control formats is turned into something
2206
3082
# like a registry.
2207
3083
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2208
3084
"""Format representing bzrdirs accessed via a smart server"""
3087
BzrDirMetaFormat1.__init__(self)
3088
self._network_name = None
2210
3090
def get_format_description(self):
2211
3091
return 'bzr remote bzrdir'
3093
def get_format_string(self):
3094
raise NotImplementedError(self.get_format_string)
3096
def network_name(self):
3097
if self._network_name:
3098
return self._network_name
3100
raise AssertionError("No network name set.")
2214
3103
def probe_transport(klass, transport):
2215
3104
"""Return a RemoteBzrDirFormat object if it looks possible."""
2217
client = transport.get_smart_client()
3106
medium = transport.get_smart_medium()
2218
3107
except (NotImplementedError, AttributeError,
2219
errors.TransportNotPossible):
3108
errors.TransportNotPossible, errors.NoSmartMedium,
3109
errors.SmartProtocolError):
2220
3110
# no smart server, so not a branch for this format type.
2221
3111
raise errors.NotBranchError(path=transport.base)
2223
# Send a 'hello' request in protocol version one, and decline to
2224
# open it if the server doesn't support our required version (2) so
2225
# that the VFS-based transport will do it.
2226
request = client.get_request()
2227
smart_protocol = protocol.SmartClientRequestProtocolOne(request)
2228
server_version = smart_protocol.query_version()
2229
if server_version != 2:
2230
raise errors.NotBranchError(path=transport.base)
3113
# Decline to open it if the server doesn't support our required
3114
# version (3) so that the VFS-based transport will do it.
3115
if medium.should_probe():
3117
server_version = medium.protocol_version()
3118
except errors.SmartProtocolError:
3119
# Apparently there's no usable smart server there, even though
3120
# the medium supports the smart protocol.
3121
raise errors.NotBranchError(path=transport.base)
3122
if server_version != '2':
3123
raise errors.NotBranchError(path=transport.base)
2233
3126
def initialize_on_transport(self, transport):
2235
3128
# hand off the request to the smart server
2236
shared_medium = transport.get_shared_medium()
3129
client_medium = transport.get_smart_medium()
2237
3130
except errors.NoSmartMedium:
2238
3131
# TODO: lookup the local format from a server hint.
2239
3132
local_dir_format = BzrDirMetaFormat1()
2240
3133
return local_dir_format.initialize_on_transport(transport)
2241
client = _SmartClient(shared_medium)
3134
client = _SmartClient(client_medium)
2242
3135
path = client.remote_path_from_transport(transport)
2243
response = _SmartClient(shared_medium).call('BzrDirFormat.initialize',
2245
assert response[0] in ('ok', ), 'unexpected response code %s' % (response,)
2246
return remote.RemoteBzrDir(transport)
3137
response = client.call('BzrDirFormat.initialize', path)
3138
except errors.ErrorFromSmartServer, err:
3139
remote._translate_error(err, path=path)
3140
if response[0] != 'ok':
3141
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
3142
format = RemoteBzrDirFormat()
3143
self._supply_sub_formats_to(format)
3144
return remote.RemoteBzrDir(transport, format)
3146
def parse_NoneTrueFalse(self, arg):
3153
raise AssertionError("invalid arg %r" % arg)
3155
def _serialize_NoneTrueFalse(self, arg):
3162
def _serialize_NoneString(self, arg):
3165
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
3166
create_prefix=False, force_new_repo=False, stacked_on=None,
3167
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
3170
# hand off the request to the smart server
3171
client_medium = transport.get_smart_medium()
3172
except errors.NoSmartMedium:
3175
# Decline to open it if the server doesn't support our required
3176
# version (3) so that the VFS-based transport will do it.
3177
if client_medium.should_probe():
3179
server_version = client_medium.protocol_version()
3180
if server_version != '2':
3184
except errors.SmartProtocolError:
3185
# Apparently there's no usable smart server there, even though
3186
# the medium supports the smart protocol.
3191
client = _SmartClient(client_medium)
3192
path = client.remote_path_from_transport(transport)
3193
if client_medium._is_remote_before((1, 16)):
3196
# TODO: lookup the local format from a server hint.
3197
local_dir_format = BzrDirMetaFormat1()
3198
self._supply_sub_formats_to(local_dir_format)
3199
return local_dir_format.initialize_on_transport_ex(transport,
3200
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3201
force_new_repo=force_new_repo, stacked_on=stacked_on,
3202
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3203
make_working_trees=make_working_trees, shared_repo=shared_repo,
3205
return self._initialize_on_transport_ex_rpc(client, path, transport,
3206
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3207
stack_on_pwd, repo_format_name, make_working_trees, shared_repo)
3209
def _initialize_on_transport_ex_rpc(self, client, path, transport,
3210
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3211
stack_on_pwd, repo_format_name, make_working_trees, shared_repo):
3213
args.append(self._serialize_NoneTrueFalse(use_existing_dir))
3214
args.append(self._serialize_NoneTrueFalse(create_prefix))
3215
args.append(self._serialize_NoneTrueFalse(force_new_repo))
3216
args.append(self._serialize_NoneString(stacked_on))
3217
# stack_on_pwd is often/usually our transport
3220
stack_on_pwd = transport.relpath(stack_on_pwd)
3221
if not stack_on_pwd:
3223
except errors.PathNotChild:
3225
args.append(self._serialize_NoneString(stack_on_pwd))
3226
args.append(self._serialize_NoneString(repo_format_name))
3227
args.append(self._serialize_NoneTrueFalse(make_working_trees))
3228
args.append(self._serialize_NoneTrueFalse(shared_repo))
3229
if self._network_name is None:
3230
self._network_name = \
3231
BzrDirFormat.get_default_format().network_name()
3233
response = client.call('BzrDirFormat.initialize_ex_1.16',
3234
self.network_name(), path, *args)
3235
except errors.UnknownSmartMethod:
3236
client._medium._remember_remote_is_before((1,16))
3237
local_dir_format = BzrDirMetaFormat1()
3238
self._supply_sub_formats_to(local_dir_format)
3239
return local_dir_format.initialize_on_transport_ex(transport,
3240
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3241
force_new_repo=force_new_repo, stacked_on=stacked_on,
3242
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3243
make_working_trees=make_working_trees, shared_repo=shared_repo,
3245
except errors.ErrorFromSmartServer, err:
3246
remote._translate_error(err, path=path)
3247
repo_path = response[0]
3248
bzrdir_name = response[6]
3249
require_stacking = response[7]
3250
require_stacking = self.parse_NoneTrueFalse(require_stacking)
3251
format = RemoteBzrDirFormat()
3252
format._network_name = bzrdir_name
3253
self._supply_sub_formats_to(format)
3254
bzrdir = remote.RemoteBzrDir(transport, format, _client=client)
3256
repo_format = remote.response_tuple_to_repo_format(response[1:])
3257
if repo_path == '.':
3260
repo_bzrdir_format = RemoteBzrDirFormat()
3261
repo_bzrdir_format._network_name = response[5]
3262
repo_bzr = remote.RemoteBzrDir(transport.clone(repo_path),
3266
final_stack = response[8] or None
3267
final_stack_pwd = response[9] or None
3269
final_stack_pwd = urlutils.join(
3270
transport.base, final_stack_pwd)
3271
remote_repo = remote.RemoteRepository(repo_bzr, repo_format)
3272
if len(response) > 10:
3273
# Updated server verb that locks remotely.
3274
repo_lock_token = response[10] or None
3275
remote_repo.lock_write(repo_lock_token, _skip_rpc=True)
3277
remote_repo.dont_leave_lock_in_place()
3279
remote_repo.lock_write()
3280
policy = UseExistingRepository(remote_repo, final_stack,
3281
final_stack_pwd, require_stacking)
3282
policy.acquire_repository()
3286
bzrdir._format.set_branch_format(self.get_branch_format())
3287
if require_stacking:
3288
# The repo has already been created, but we need to make sure that
3289
# we'll make a stackable branch.
3290
bzrdir._format.require_stacking(_skip_repo=True)
3291
return remote_repo, bzrdir, require_stacking, policy
2248
3293
def _open(self, transport):
2249
return remote.RemoteBzrDir(transport)
3294
return remote.RemoteBzrDir(transport, self)
2251
3296
def __eq__(self, other):
2252
3297
if not isinstance(other, RemoteBzrDirFormat):
2254
3299
return self.get_format_description() == other.get_format_description()
3301
def __return_repository_format(self):
3302
# Always return a RemoteRepositoryFormat object, but if a specific bzr
3303
# repository format has been asked for, tell the RemoteRepositoryFormat
3304
# that it should use that for init() etc.
3305
result = remote.RemoteRepositoryFormat()
3306
custom_format = getattr(self, '_repository_format', None)
3308
if isinstance(custom_format, remote.RemoteRepositoryFormat):
3309
return custom_format
3311
# We will use the custom format to create repositories over the
3312
# wire; expose its details like rich_root_data for code to
3314
result._custom_format = custom_format
3317
def get_branch_format(self):
3318
result = BzrDirMetaFormat1.get_branch_format(self)
3319
if not isinstance(result, remote.RemoteBranchFormat):
3320
new_result = remote.RemoteBranchFormat()
3321
new_result._custom_format = result
3323
self.set_branch_format(new_result)
3327
repository_format = property(__return_repository_format,
3328
BzrDirMetaFormat1._set_repository_format) #.im_func)
2257
3331
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2260
3334
class BzrDirFormatInfo(object):
2262
def __init__(self, native, deprecated, hidden):
3336
def __init__(self, native, deprecated, hidden, experimental):
2263
3337
self.deprecated = deprecated
2264
3338
self.native = native
2265
3339
self.hidden = hidden
3340
self.experimental = experimental
2268
3343
class BzrDirFormatRegistry(registry.Registry):
2269
3344
"""Registry of user-selectable BzrDir subformats.
2271
3346
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2272
3347
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
3351
"""Create a BzrDirFormatRegistry."""
3352
self._aliases = set()
3353
self._registration_order = list()
3354
super(BzrDirFormatRegistry, self).__init__()
3357
"""Return a set of the format names which are aliases."""
3358
return frozenset(self._aliases)
2275
3360
def register_metadir(self, key,
2276
3361
repository_format, help, native=True, deprecated=False,
2277
3362
branch_format=None,
2278
3363
tree_format=None,
2280
3367
"""Register a metadir subformat.
2282
3369
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2283
by the Repository format.
3370
by the Repository/Branch/WorkingTreeformats.
2285
3372
:param repository_format: The fully-qualified repository format class
2286
3373
name as a string.
2314
3401
if repository_format is not None:
2315
3402
bd.repository_format = _load(repository_format)
2317
self.register(key, helper, help, native, deprecated, hidden)
3404
self.register(key, helper, help, native, deprecated, hidden,
3405
experimental, alias)
2319
3407
def register(self, key, factory, help, native=True, deprecated=False,
3408
hidden=False, experimental=False, alias=False):
2321
3409
"""Register a BzrDirFormat factory.
2323
3411
The factory must be a callable that takes one parameter: the key.
2324
3412
It must produce an instance of the BzrDirFormat when called.
2326
3414
This function mainly exists to prevent the info object from being
2327
3415
supplied directly.
2329
registry.Registry.register(self, key, factory, help,
2330
BzrDirFormatInfo(native, deprecated, hidden))
3417
registry.Registry.register(self, key, factory, help,
3418
BzrDirFormatInfo(native, deprecated, hidden, experimental))
3420
self._aliases.add(key)
3421
self._registration_order.append(key)
2332
3423
def register_lazy(self, key, module_name, member_name, help, native=True,
2333
deprecated=False, hidden=False):
2334
registry.Registry.register_lazy(self, key, module_name, member_name,
2335
help, BzrDirFormatInfo(native, deprecated, hidden))
3424
deprecated=False, hidden=False, experimental=False, alias=False):
3425
registry.Registry.register_lazy(self, key, module_name, member_name,
3426
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
3428
self._aliases.add(key)
3429
self._registration_order.append(key)
2337
3431
def set_default(self, key):
2338
3432
"""Set the 'default' key to be a clone of the supplied key.
2340
3434
This method must be called once and only once.
2342
registry.Registry.register(self, 'default', self.get(key),
3436
registry.Registry.register(self, 'default', self.get(key),
2343
3437
self.get_help(key), info=self.get_info(key))
3438
self._aliases.add('default')
2345
3440
def set_default_repository(self, key):
2346
3441
"""Set the FormatRegistry default and Repository default.
2348
3443
This is a transitional method while Repository.set_default_format
2378
3468
def wrapped(key, help, info):
2379
3469
if info.native:
2380
3470
help = '(native) ' + help
2381
return ':%s:\n%s\n\n' % (key,
2382
textwrap.fill(help, initial_indent=' ',
2383
subsequent_indent=' '))
3471
return ':%s:\n%s\n\n' % (key,
3472
textwrap.fill(help, initial_indent=' ',
3473
subsequent_indent=' ',
3474
break_long_words=False))
2384
3475
if default_realkey is not None:
2385
3476
output += wrapped(default_realkey, '(default) %s' % default_help,
2386
3477
self.get_info('default'))
2387
3478
deprecated_pairs = []
3479
experimental_pairs = []
2388
3480
for key, help in help_pairs:
2389
3481
info = self.get_info(key)
2390
3482
if info.hidden:
2392
3484
elif info.deprecated:
2393
3485
deprecated_pairs.append((key, help))
3486
elif info.experimental:
3487
experimental_pairs.append((key, help))
2395
3489
output += wrapped(key, help, info)
3490
output += "\nSee ``bzr help formats`` for more about storage formats."
3492
if len(experimental_pairs) > 0:
3493
other_output += "Experimental formats are shown below.\n\n"
3494
for key, help in experimental_pairs:
3495
info = self.get_info(key)
3496
other_output += wrapped(key, help, info)
3499
"No experimental formats are available.\n\n"
2396
3500
if len(deprecated_pairs) > 0:
2397
output += "Deprecated formats are shown below.\n\n"
3501
other_output += "\nDeprecated formats are shown below.\n\n"
2398
3502
for key, help in deprecated_pairs:
2399
3503
info = self.get_info(key)
2400
output += wrapped(key, help, info)
3504
other_output += wrapped(key, help, info)
3507
"\nNo deprecated formats are available.\n\n"
3509
"\nSee ``bzr help formats`` for more about storage formats."
3511
if topic == 'other-formats':
3517
class RepositoryAcquisitionPolicy(object):
3518
"""Abstract base class for repository acquisition policies.
3520
A repository acquisition policy decides how a BzrDir acquires a repository
3521
for a branch that is being created. The most basic policy decision is
3522
whether to create a new repository or use an existing one.
3524
def __init__(self, stack_on, stack_on_pwd, require_stacking):
3527
:param stack_on: A location to stack on
3528
:param stack_on_pwd: If stack_on is relative, the location it is
3530
:param require_stacking: If True, it is a failure to not stack.
3532
self._stack_on = stack_on
3533
self._stack_on_pwd = stack_on_pwd
3534
self._require_stacking = require_stacking
3536
def configure_branch(self, branch):
3537
"""Apply any configuration data from this policy to the branch.
3539
Default implementation sets repository stacking.
3541
if self._stack_on is None:
3543
if self._stack_on_pwd is None:
3544
stack_on = self._stack_on
3547
stack_on = urlutils.rebase_url(self._stack_on,
3549
branch.bzrdir.root_transport.base)
3550
except errors.InvalidRebaseURLs:
3551
stack_on = self._get_full_stack_on()
3553
branch.set_stacked_on_url(stack_on)
3554
except (errors.UnstackableBranchFormat,
3555
errors.UnstackableRepositoryFormat):
3556
if self._require_stacking:
3559
def requires_stacking(self):
3560
"""Return True if this policy requires stacking."""
3561
return self._stack_on is not None and self._require_stacking
3563
def _get_full_stack_on(self):
3564
"""Get a fully-qualified URL for the stack_on location."""
3565
if self._stack_on is None:
3567
if self._stack_on_pwd is None:
3568
return self._stack_on
3570
return urlutils.join(self._stack_on_pwd, self._stack_on)
3572
def _add_fallback(self, repository, possible_transports=None):
3573
"""Add a fallback to the supplied repository, if stacking is set."""
3574
stack_on = self._get_full_stack_on()
3575
if stack_on is None:
3578
stacked_dir = BzrDir.open(stack_on,
3579
possible_transports=possible_transports)
3580
except errors.JailBreak:
3581
# We keep the stacking details, but we are in the server code so
3582
# actually stacking is not needed.
3585
stacked_repo = stacked_dir.open_branch().repository
3586
except errors.NotBranchError:
3587
stacked_repo = stacked_dir.open_repository()
3589
repository.add_fallback_repository(stacked_repo)
3590
except errors.UnstackableRepositoryFormat:
3591
if self._require_stacking:
3594
self._require_stacking = True
3596
def acquire_repository(self, make_working_trees=None, shared=False):
3597
"""Acquire a repository for this bzrdir.
3599
Implementations may create a new repository or use a pre-exising
3601
:param make_working_trees: If creating a repository, set
3602
make_working_trees to this value (if non-None)
3603
:param shared: If creating a repository, make it shared if True
3604
:return: A repository, is_new_flag (True if the repository was
3607
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
3610
class CreateRepository(RepositoryAcquisitionPolicy):
3611
"""A policy of creating a new repository"""
3613
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
3614
require_stacking=False):
3617
:param bzrdir: The bzrdir to create the repository on.
3618
:param stack_on: A location to stack on
3619
:param stack_on_pwd: If stack_on is relative, the location it is
3622
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3624
self._bzrdir = bzrdir
3626
def acquire_repository(self, make_working_trees=None, shared=False):
3627
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3629
Creates the desired repository in the bzrdir we already have.
3631
stack_on = self._get_full_stack_on()
3633
format = self._bzrdir._format
3634
format.require_stacking(stack_on=stack_on,
3635
possible_transports=[self._bzrdir.root_transport])
3636
if not self._require_stacking:
3637
# We have picked up automatic stacking somewhere.
3638
note('Using default stacking branch %s at %s', self._stack_on,
3640
repository = self._bzrdir.create_repository(shared=shared)
3641
self._add_fallback(repository,
3642
possible_transports=[self._bzrdir.transport])
3643
if make_working_trees is not None:
3644
repository.set_make_working_trees(make_working_trees)
3645
return repository, True
3648
class UseExistingRepository(RepositoryAcquisitionPolicy):
3649
"""A policy of reusing an existing repository"""
3651
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
3652
require_stacking=False):
3655
:param repository: The repository to use.
3656
:param stack_on: A location to stack on
3657
:param stack_on_pwd: If stack_on is relative, the location it is
3660
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3662
self._repository = repository
3664
def acquire_repository(self, make_working_trees=None, shared=False):
3665
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3667
Returns an existing repository to use.
3669
self._add_fallback(self._repository,
3670
possible_transports=[self._repository.bzrdir.transport])
3671
return self._repository, False
3674
# Please register new formats after old formats so that formats
3675
# appear in chronological order and format descriptions can build
2405
3677
format_registry = BzrDirFormatRegistry()
3678
# The pre-0.8 formats have their repository format network name registered in
3679
# repository.py. MetaDir formats have their repository format network name
3680
# inferred from their disk format string.
2406
3681
format_registry.register('weave', BzrDirFormat6,
2407
3682
'Pre-0.8 format. Slower than knit and does not'
2408
3683
' support checkouts or shared repositories.',
2409
3684
deprecated=True)
2410
format_registry.register_metadir('knit',
2411
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2412
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2413
branch_format='bzrlib.branch.BzrBranchFormat5',
2414
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2415
3685
format_registry.register_metadir('metaweave',
2416
3686
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2417
3687
'Transitional format in 0.8. Slower than knit.',
2418
3688
branch_format='bzrlib.branch.BzrBranchFormat5',
2419
3689
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2420
3690
deprecated=True)
3691
format_registry.register_metadir('knit',
3692
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3693
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
3694
branch_format='bzrlib.branch.BzrBranchFormat5',
3695
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2421
3697
format_registry.register_metadir('dirstate',
2422
3698
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2423
3699
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2442
3725
'bzr branches. Incompatible with bzr < 0.15.',
2443
3726
branch_format='bzrlib.branch.BzrBranchFormat6',
2444
3727
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2447
format_registry.set_default('dirstate-tags')
3731
format_registry.register_metadir('pack-0.92',
3732
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3733
help='New in 0.92: Pack-based format with data compatible with '
3734
'dirstate-tags format repositories. Interoperates with '
3735
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3736
'Previously called knitpack-experimental. '
3737
'For more information, see '
3738
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3739
branch_format='bzrlib.branch.BzrBranchFormat6',
3740
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3742
format_registry.register_metadir('pack-0.92-subtree',
3743
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3744
help='New in 0.92: Pack-based format with data compatible with '
3745
'dirstate-with-subtree format repositories. Interoperates with '
3746
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3747
'Previously called knitpack-experimental. '
3748
'For more information, see '
3749
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3750
branch_format='bzrlib.branch.BzrBranchFormat6',
3751
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3755
format_registry.register_metadir('rich-root-pack',
3756
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3757
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
3758
'(needed for bzr-svn and bzr-git).',
3759
branch_format='bzrlib.branch.BzrBranchFormat6',
3760
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3762
format_registry.register_metadir('1.6',
3763
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3764
help='A format that allows a branch to indicate that there is another '
3765
'(stacked) repository that should be used to access data that is '
3766
'not present locally.',
3767
branch_format='bzrlib.branch.BzrBranchFormat7',
3768
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3770
format_registry.register_metadir('1.6.1-rich-root',
3771
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3772
help='A variant of 1.6 that supports rich-root data '
3773
'(needed for bzr-svn and bzr-git).',
3774
branch_format='bzrlib.branch.BzrBranchFormat7',
3775
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3777
format_registry.register_metadir('1.9',
3778
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3779
help='A repository format using B+tree indexes. These indexes '
3780
'are smaller in size, have smarter caching and provide faster '
3781
'performance for most operations.',
3782
branch_format='bzrlib.branch.BzrBranchFormat7',
3783
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3785
format_registry.register_metadir('1.9-rich-root',
3786
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3787
help='A variant of 1.9 that supports rich-root data '
3788
'(needed for bzr-svn and bzr-git).',
3789
branch_format='bzrlib.branch.BzrBranchFormat7',
3790
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3792
format_registry.register_metadir('1.14',
3793
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3794
help='A working-tree format that supports content filtering.',
3795
branch_format='bzrlib.branch.BzrBranchFormat7',
3796
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3798
format_registry.register_metadir('1.14-rich-root',
3799
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3800
help='A variant of 1.14 that supports rich-root data '
3801
'(needed for bzr-svn and bzr-git).',
3802
branch_format='bzrlib.branch.BzrBranchFormat7',
3803
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3805
# The following un-numbered 'development' formats should always just be aliases.
3806
format_registry.register_metadir('development-rich-root',
3807
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
3808
help='Current development format. Supports rich roots. Can convert data '
3809
'to and from rich-root-pack (and anything compatible with '
3810
'rich-root-pack) format repositories. Repositories and branches in '
3811
'this format can only be read by bzr.dev. Please read '
3812
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3814
branch_format='bzrlib.branch.BzrBranchFormat7',
3815
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3819
format_registry.register_metadir('development-subtree',
3820
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3821
help='Current development format, subtree variant. Can convert data to and '
3822
'from pack-0.92-subtree (and anything compatible with '
3823
'pack-0.92-subtree) format repositories. Repositories and branches in '
3824
'this format can only be read by bzr.dev. Please read '
3825
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3827
branch_format='bzrlib.branch.BzrBranchFormat7',
3828
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3830
alias=False, # Restore to being an alias when an actual development subtree format is added
3831
# This current non-alias status is simply because we did not introduce a
3832
# chk based subtree format.
3835
# And the development formats above will have aliased one of the following:
3836
format_registry.register_metadir('development6-rich-root',
3837
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
3838
help='pack-1.9 with 255-way hashed CHK inv, group compress, rich roots '
3840
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3842
branch_format='bzrlib.branch.BzrBranchFormat7',
3843
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3848
format_registry.register_metadir('development7-rich-root',
3849
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK2',
3850
help='pack-1.9 with 255-way hashed CHK inv, bencode revision, group compress, '
3851
'rich roots. Please read '
3852
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3854
branch_format='bzrlib.branch.BzrBranchFormat7',
3855
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3860
format_registry.register_metadir('2a',
3861
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
3862
help='First format for bzr 2.0 series.\n'
3863
'Uses group-compress storage.\n'
3864
'Provides rich roots which are a one-way transition.\n',
3865
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
3866
# 'rich roots. Supported by bzr 1.16 and later.',
3867
branch_format='bzrlib.branch.BzrBranchFormat7',
3868
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3872
# The following format should be an alias for the rich root equivalent
3873
# of the default format
3874
format_registry.register_metadir('default-rich-root',
3875
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
3876
branch_format='bzrlib.branch.BzrBranchFormat7',
3877
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3881
# The current format that is made on 'bzr init'.
3882
format_registry.set_default('2a')