202
145
format.get_format_description(),
205
def clone(self, url, revision_id=None, force_new_repo=False,
206
preserve_stacking=False):
148
def clone(self, url, revision_id=None, force_new_repo=False):
207
149
"""Clone this bzrdir and its contents to url verbatim.
209
:param url: The url create the clone at. If url's last component does
210
not exist, it will be created.
211
:param revision_id: The tip revision-id to use for any branch or
212
working tree. If not None, then the clone operation may tune
151
If urls last component does not exist, it will be created.
153
if revision_id is not None, then the clone operation may tune
213
154
itself to download less data.
214
:param force_new_repo: Do not use a shared repository for the target
155
:param force_new_repo: Do not use a shared repository for the target
215
156
even if one is available.
216
:param preserve_stacking: When cloning a stacked branch, stack the
217
new branch on top of the other branch's stacked-on branch.
219
158
return self.clone_on_transport(get_transport(url),
220
159
revision_id=revision_id,
221
force_new_repo=force_new_repo,
222
preserve_stacking=preserve_stacking)
160
force_new_repo=force_new_repo)
224
162
def clone_on_transport(self, transport, revision_id=None,
225
force_new_repo=False, preserve_stacking=False, stacked_on=None,
226
create_prefix=False, use_existing_dir=True):
163
force_new_repo=False):
227
164
"""Clone this bzrdir and its contents to transport verbatim.
229
:param transport: The transport for the location to produce the clone
230
at. If the target directory does not exist, it will be created.
231
:param revision_id: The tip revision-id to use for any branch or
232
working tree. If not None, then the clone operation may tune
166
If the target directory does not exist, it will be created.
168
if revision_id is not None, then the clone operation may tune
233
169
itself to download less data.
234
:param force_new_repo: Do not use a shared repository for the target,
170
:param force_new_repo: Do not use a shared repository for the target
235
171
even if one is available.
236
:param preserve_stacking: When cloning a stacked branch, stack the
237
new branch on top of the other branch's stacked-on branch.
238
:param create_prefix: Create any missing directories leading up to
240
:param use_existing_dir: Use an existing directory if one exists.
242
# Overview: put together a broad description of what we want to end up
243
# with; then make as few api calls as possible to do it.
245
# We may want to create a repo/branch/tree, if we do so what format
246
# would we want for each:
247
require_stacking = (stacked_on is not None)
248
format = self.cloning_metadir(require_stacking)
250
# Figure out what objects we want:
173
transport.ensure_base()
174
result = self._format.initialize_on_transport(transport)
252
176
local_repo = self.find_repository()
253
177
except errors.NoRepositoryPresent:
254
178
local_repo = None
256
local_branch = self.open_branch()
257
except errors.NotBranchError:
260
# enable fallbacks when branch is not a branch reference
261
if local_branch.repository.has_same_location(local_repo):
262
local_repo = local_branch.repository
263
if preserve_stacking:
265
stacked_on = local_branch.get_stacked_on_url()
266
except (errors.UnstackableBranchFormat,
267
errors.UnstackableRepositoryFormat,
270
# Bug: We create a metadir without knowing if it can support stacking,
271
# we should look up the policy needs first, or just use it as a hint,
274
make_working_trees = local_repo.make_working_trees()
275
want_shared = local_repo.is_shared()
276
repo_format_name = format.repository_format.network_name()
278
make_working_trees = False
280
repo_format_name = None
282
result_repo, result, require_stacking, repository_policy = \
283
format.initialize_on_transport_ex(transport,
284
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
285
force_new_repo=force_new_repo, stacked_on=stacked_on,
286
stack_on_pwd=self.root_transport.base,
287
repo_format_name=repo_format_name,
288
make_working_trees=make_working_trees, shared_repo=want_shared)
291
# If the result repository is in the same place as the
292
# resulting bzr dir, it will have no content, further if the
293
# result is not stacked then we know all content should be
294
# copied, and finally if we are copying up to a specific
295
# revision_id then we can use the pending-ancestry-result which
296
# does not require traversing all of history to describe it.
297
if (result_repo.user_url == result.user_url
298
and not require_stacking and
299
revision_id is not None):
300
fetch_spec = graph.PendingAncestryResult(
301
[revision_id], local_repo)
302
result_repo.fetch(local_repo, fetch_spec=fetch_spec)
180
# may need to copy content in
182
result_repo = local_repo.clone(
184
revision_id=revision_id)
185
result_repo.set_make_working_trees(local_repo.make_working_trees())
188
result_repo = result.find_repository()
189
# fetch content this dir needs.
304
190
result_repo.fetch(local_repo, revision_id=revision_id)
308
if result_repo is not None:
309
raise AssertionError('result_repo not None(%r)' % result_repo)
191
except errors.NoRepositoryPresent:
192
# needed to make one anyway.
193
result_repo = local_repo.clone(
195
revision_id=revision_id)
196
result_repo.set_make_working_trees(local_repo.make_working_trees())
310
197
# 1 if there is a branch present
311
198
# make sure its content is available in the target repository
313
if local_branch is not None:
314
result_branch = local_branch.clone(result, revision_id=revision_id,
315
repository_policy=repository_policy)
317
# Cheaper to check if the target is not local, than to try making
319
result.root_transport.local_abspath('.')
320
if result_repo is None or result_repo.make_working_trees():
321
self.open_workingtree().clone(result)
201
self.open_branch().clone(result, revision_id=revision_id)
202
except errors.NotBranchError:
205
self.open_workingtree().clone(result)
322
206
except (errors.NoWorkingTree, errors.NotLocalUrl):
329
213
t = get_transport(url)
216
# TODO: Should take a Transport
333
def create(cls, base, format=None, possible_transports=None):
218
def create(cls, base, format=None):
334
219
"""Create a new BzrDir at the url 'base'.
221
This will call the current default formats initialize with base
222
as the only parameter.
336
224
:param format: If supplied, the format of branch to create. If not
337
225
supplied, the default is used.
338
:param possible_transports: If supplied, a list of transports that
339
can be reused to share a remote connection.
341
227
if cls is not BzrDir:
342
228
raise AssertionError("BzrDir.create always creates the default"
343
229
" format, not one of %r" % cls)
344
t = get_transport(base, possible_transports)
230
t = get_transport(base)
346
232
if format is None:
347
233
format = BzrDirFormat.get_default_format()
348
return format.initialize_on_transport(t)
351
def find_bzrdirs(transport, evaluate=None, list_current=None):
352
"""Find bzrdirs recursively from current location.
354
This is intended primarily as a building block for more sophisticated
355
functionality, like finding trees under a directory, or finding
356
branches that use a given repository.
357
:param evaluate: An optional callable that yields recurse, value,
358
where recurse controls whether this bzrdir is recursed into
359
and value is the value to yield. By default, all bzrdirs
360
are recursed into, and the return value is the bzrdir.
361
:param list_current: if supplied, use this function to list the current
362
directory, instead of Transport.list_dir
363
:return: a generator of found bzrdirs, or whatever evaluate returns.
365
if list_current is None:
366
def list_current(transport):
367
return transport.list_dir('')
369
def evaluate(bzrdir):
372
pending = [transport]
373
while len(pending) > 0:
374
current_transport = pending.pop()
377
bzrdir = BzrDir.open_from_transport(current_transport)
378
except errors.NotBranchError:
381
recurse, value = evaluate(bzrdir)
384
subdirs = list_current(current_transport)
385
except errors.NoSuchFile:
388
for subdir in sorted(subdirs, reverse=True):
389
pending.append(current_transport.clone(subdir))
391
def list_branches(self):
392
"""Return a sequence of all branches local to this control directory.
396
return [self.open_branch()]
397
except errors.NotBranchError:
401
def find_branches(transport):
402
"""Find all branches under a transport.
404
This will find all branches below the transport, including branches
405
inside other branches. Where possible, it will use
406
Repository.find_branches.
408
To list all the branches that use a particular Repository, see
409
Repository.find_branches
411
def evaluate(bzrdir):
413
repository = bzrdir.open_repository()
414
except errors.NoRepositoryPresent:
417
return False, ([], repository)
418
return True, (bzrdir.list_branches(), None)
420
for branches, repo in BzrDir.find_bzrdirs(transport,
423
ret.extend(repo.find_branches())
424
if branches is not None:
428
def destroy_repository(self):
429
"""Destroy the repository in this BzrDir"""
430
raise NotImplementedError(self.destroy_repository)
432
def create_branch(self, name=None):
234
return format.initialize(safe_unicode(base))
236
def create_branch(self):
433
237
"""Create a branch in this BzrDir.
435
:param name: Name of the colocated branch to create, None for
438
The bzrdir's format will control what branch format is created.
239
The bzrdirs format will control what branch format is created.
439
240
For more control see BranchFormatXX.create(a_bzrdir).
441
242
raise NotImplementedError(self.create_branch)
443
def destroy_branch(self, name=None):
444
"""Destroy a branch in this BzrDir.
446
:param name: Name of the branch to destroy, None for the default
449
raise NotImplementedError(self.destroy_branch)
452
245
def create_branch_and_repo(base, force_new_repo=False, format=None):
453
246
"""Create a new BzrDir, Branch and Repository at the url 'base'.
455
This will use the current default BzrDirFormat unless one is
456
specified, and use whatever
248
This will use the current default BzrDirFormat, and use whatever
457
249
repository format that that uses via bzrdir.create_branch and
458
250
create_repository. If a shared repository is available that is used
463
255
:param base: The URL to create the branch at.
464
256
:param force_new_repo: If True a new repository is always created.
465
:param format: If supplied, the format of branch to create. If not
466
supplied, the default is used.
468
258
bzrdir = BzrDir.create(base, format)
469
259
bzrdir._find_or_create_repository(force_new_repo)
470
260
return bzrdir.create_branch()
472
def determine_repository_policy(self, force_new_repo=False, stack_on=None,
473
stack_on_pwd=None, require_stacking=False):
474
"""Return an object representing a policy to use.
476
This controls whether a new repository is created, and the format of
477
that repository, or some existing shared repository used instead.
479
If stack_on is supplied, will not seek a containing shared repo.
481
:param force_new_repo: If True, require a new repository to be created.
482
:param stack_on: If supplied, the location to stack on. If not
483
supplied, a default_stack_on location may be used.
484
:param stack_on_pwd: If stack_on is relative, the location it is
487
def repository_policy(found_bzrdir):
490
config = found_bzrdir.get_config()
492
stack_on = config.get_default_stack_on()
493
if stack_on is not None:
494
stack_on_pwd = found_bzrdir.user_url
496
# does it have a repository ?
498
repository = found_bzrdir.open_repository()
499
except errors.NoRepositoryPresent:
502
if (found_bzrdir.user_url != self.user_url
503
and not repository.is_shared()):
504
# Don't look higher, can't use a higher shared repo.
512
return UseExistingRepository(repository, stack_on,
513
stack_on_pwd, require_stacking=require_stacking), True
515
return CreateRepository(self, stack_on, stack_on_pwd,
516
require_stacking=require_stacking), True
518
if not force_new_repo:
520
policy = self._find_containing(repository_policy)
521
if policy is not None:
525
return UseExistingRepository(self.open_repository(),
526
stack_on, stack_on_pwd,
527
require_stacking=require_stacking)
528
except errors.NoRepositoryPresent:
530
return CreateRepository(self, stack_on, stack_on_pwd,
531
require_stacking=require_stacking)
533
262
def _find_or_create_repository(self, force_new_repo):
534
263
"""Create a new repository if needed, returning the repository."""
535
policy = self.determine_repository_policy(force_new_repo)
536
return policy.acquire_repository()[0]
265
return self.create_repository()
267
return self.find_repository()
268
except errors.NoRepositoryPresent:
269
return self.create_repository()
539
272
def create_branch_convenience(base, force_new_repo=False,
540
force_new_tree=None, format=None,
541
possible_transports=None):
273
force_new_tree=None, format=None):
542
274
"""Create a new BzrDir, Branch and Repository at the url 'base'.
544
276
This is a convenience function - it will use an existing repository
545
277
if possible, can be told explicitly whether to create a working tree or
548
This will use the current default BzrDirFormat unless one is
549
specified, and use whatever
280
This will use the current default BzrDirFormat, and use whatever
550
281
repository format that that uses via bzrdir.create_branch and
551
282
create_repository. If a shared repository is available that is used
552
283
preferentially. Whatever repository is used, its tree creation policy
587
336
'base' must be a local path or a file:// url.
589
This will use the current default BzrDirFormat unless one is
590
specified, and use whatever
338
This will use the current default BzrDirFormat, and use whatever
591
339
repository format that that uses for bzrdirformat.create_workingtree,
592
340
create_branch and create_repository.
594
:param format: Override for the bzrdir format to create.
595
342
:return: The WorkingTree object.
597
t = get_transport(base)
598
if not isinstance(t, local.LocalTransport):
344
t = get_transport(safe_unicode(base))
345
if not isinstance(t, LocalTransport):
599
346
raise errors.NotLocalUrl(base)
600
bzrdir = BzrDir.create_branch_and_repo(base,
347
bzrdir = BzrDir.create_branch_and_repo(safe_unicode(base),
601
348
force_new_repo=True,
602
349
format=format).bzrdir
603
350
return bzrdir.create_workingtree()
605
def create_workingtree(self, revision_id=None, from_branch=None,
606
accelerator_tree=None, hardlink=False):
352
def create_workingtree(self, revision_id=None):
607
353
"""Create a working tree at this BzrDir.
609
:param revision_id: create it as of this revision id.
610
:param from_branch: override bzrdir branch (for lightweight checkouts)
611
:param accelerator_tree: A tree which can be used for retrieving file
612
contents more quickly than the revision tree, i.e. a workingtree.
613
The revision tree will be used for cases where accelerator_tree's
614
content is different.
355
revision_id: create it as of this revision id.
616
357
raise NotImplementedError(self.create_workingtree)
618
def backup_bzrdir(self):
619
"""Backup this bzr control directory.
621
:return: Tuple with old path name and new path name
623
def name_gen(base='backup.bzr'):
625
name = "%s.~%d~" % (base, counter)
626
while self.root_transport.has(name):
628
name = "%s.~%d~" % (base, counter)
631
backup_dir=name_gen()
632
pb = ui.ui_factory.nested_progress_bar()
634
# FIXME: bug 300001 -- the backup fails if the backup directory
635
# already exists, but it should instead either remove it or make
636
# a new backup directory.
638
old_path = self.root_transport.abspath('.bzr')
639
new_path = self.root_transport.abspath(backup_dir)
640
ui.ui_factory.note('making backup of %s\n to %s' % (old_path, new_path,))
641
self.root_transport.copy_tree('.bzr', backup_dir)
642
return (old_path, new_path)
646
def retire_bzrdir(self, limit=10000):
359
def retire_bzrdir(self):
647
360
"""Permanently disable the bzrdir.
649
362
This is done by renaming it to give the user some ability to recover
1033
637
relpath is the portion of the path that is contained by the branch.
1035
639
bzrdir, relpath = klass.open_containing(location)
1036
tree, branch = bzrdir._get_tree_branch()
641
tree = bzrdir.open_workingtree()
642
except (errors.NoWorkingTree, errors.NotLocalUrl):
644
branch = bzrdir.open_branch()
1037
647
return tree, branch, relpath
1040
def open_containing_tree_branch_or_repository(klass, location):
1041
"""Return the working tree, branch and repo contained by a location.
1043
Returns (tree, branch, repository, relpath).
1044
If there is no tree containing the location, tree will be None.
1045
If there is no branch containing the location, branch will be None.
1046
If there is no repository containing the location, repository will be
1048
relpath is the portion of the path that is contained by the innermost
1051
If no tree, branch or repository is found, a NotBranchError is raised.
1053
bzrdir, relpath = klass.open_containing(location)
1055
tree, branch = bzrdir._get_tree_branch()
1056
except errors.NotBranchError:
1058
repo = bzrdir.find_repository()
1059
return None, None, repo, relpath
1060
except (errors.NoRepositoryPresent):
1061
raise errors.NotBranchError(location)
1062
return tree, branch, branch.repository, relpath
1064
649
def open_repository(self, _unsupported=False):
1065
650
"""Open the repository object at this BzrDir if one is present.
1067
This will not follow the Branch object pointer - it's strictly a direct
652
This will not follow the Branch object pointer - its strictly a direct
1068
653
open facility. Most client code should use open_branch().repository to
1069
654
get at a repository.
1071
:param _unsupported: a private parameter, not part of the api.
656
_unsupported is a private parameter, not part of the api.
1072
657
TODO: static convenience version of this?
1074
659
raise NotImplementedError(self.open_repository)
1076
661
def open_workingtree(self, _unsupported=False,
1077
recommend_upgrade=True, from_branch=None):
662
recommend_upgrade=True):
1078
663
"""Open the workingtree object at this BzrDir if one is present.
1080
665
:param recommend_upgrade: Optional keyword parameter, when True (the
1081
666
default), emit through the ui module a recommendation that the user
1082
667
upgrade the working tree when the workingtree being opened is old
1083
668
(but still fully supported).
1084
:param from_branch: override bzrdir branch (for lightweight checkouts)
1086
670
raise NotImplementedError(self.open_workingtree)
1088
def has_branch(self, name=None):
672
def has_branch(self):
1089
673
"""Tell if this bzrdir contains a branch.
1091
675
Note: if you're going to open the branch, you should just go ahead
1092
and try, and not ask permission first. (This method just opens the
1093
branch and discards it, and that's somewhat expensive.)
676
and try, and not ask permission first. (This method just opens the
677
branch and discards it, and that's somewhat expensive.)
1096
self.open_branch(name)
1098
682
except errors.NotBranchError:
1197
761
if revision_id is not None, then the clone operation may tune
1198
762
itself to download less data.
1199
:param accelerator_tree: A tree which can be used for retrieving file
1200
contents more quickly than the revision tree, i.e. a workingtree.
1201
The revision tree will be used for cases where accelerator_tree's
1202
content is different.
1203
:param hardlink: If true, hard-link files from accelerator_tree,
1205
:param stacked: If true, create a stacked branch referring to the
1206
location of this control directory.
1207
:param create_tree_if_local: If true, a working-tree will be created
1208
when working locally.
1210
target_transport = get_transport(url, possible_transports)
764
target_transport = get_transport(url)
1211
765
target_transport.ensure_base()
1212
cloning_format = self.cloning_metadir(stacked)
1213
# Create/update the result branch
766
cloning_format = self.cloning_metadir()
1214
767
result = cloning_format.initialize_on_transport(target_transport)
1215
# if a stacked branch wasn't requested, we don't create one
1216
# even if the origin was stacked
1217
stacked_branch_url = None
1218
if source_branch is not None:
1220
stacked_branch_url = self.root_transport.base
769
source_branch = self.open_branch()
1221
770
source_repository = source_branch.repository
1224
source_branch = self.open_branch()
1225
source_repository = source_branch.repository
1227
stacked_branch_url = self.root_transport.base
1228
except errors.NotBranchError:
1229
source_branch = None
1231
source_repository = self.open_repository()
1232
except errors.NoRepositoryPresent:
1233
source_repository = None
1234
repository_policy = result.determine_repository_policy(
1235
force_new_repo, stacked_branch_url, require_stacking=stacked)
1236
result_repo, is_new_repo = repository_policy.acquire_repository()
1237
if is_new_repo and revision_id is not None and not stacked:
1238
fetch_spec = graph.PendingAncestryResult(
1239
[revision_id], source_repository)
1242
if source_repository is not None:
1243
# Fetch while stacked to prevent unstacked fetch from
1245
if fetch_spec is None:
771
except errors.NotBranchError:
774
source_repository = self.open_repository()
775
except errors.NoRepositoryPresent:
776
source_repository = None
781
result_repo = result.find_repository()
782
except errors.NoRepositoryPresent:
784
if source_repository is None and result_repo is not None:
786
elif source_repository is None and result_repo is None:
787
# no repo available, make a new one
788
result.create_repository()
789
elif source_repository is not None and result_repo is None:
790
# have source, and want to make a new target repo
791
result_repo = source_repository.sprout(result, revision_id=revision_id)
793
# fetch needed content into target.
794
if source_repository is not None:
796
# source_repository.copy_content_into(result_repo, revision_id=revision_id)
797
# so we can override the copy method
1246
798
result_repo.fetch(source_repository, revision_id=revision_id)
1248
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
1250
if source_branch is None:
1251
# this is for sprouting a bzrdir without a branch; is that
1253
# Not especially, but it's part of the contract.
1254
result_branch = result.create_branch()
799
if source_branch is not None:
800
source_branch.sprout(result, revision_id=revision_id)
1256
result_branch = source_branch.sprout(result,
1257
revision_id=revision_id, repository_policy=repository_policy)
1258
mutter("created new branch %r" % (result_branch,))
1260
# Create/update the result working tree
1261
if (create_tree_if_local and
1262
isinstance(target_transport, local.LocalTransport) and
1263
(result_repo is None or result_repo.make_working_trees())):
1264
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
802
result.create_branch()
803
# TODO: jam 20060426 we probably need a test in here in the
804
# case that the newly sprouted branch is a remote one
805
if result_repo is None or result_repo.make_working_trees():
806
wt = result.create_workingtree()
1268
809
if wt.path2id('') is None:
1296
835
sublocation = source_branch.reference_parent(file_id, path)
1297
836
sublocation.bzrdir.sprout(target,
1298
837
basis.get_reference_revision(file_id, path),
1299
force_new_repo=force_new_repo, recurse=recurse,
838
force_new_repo=force_new_repo, recurse=recurse)
1302
840
if basis is not None:
1306
def push_branch(self, source, revision_id=None, overwrite=False,
1307
remember=False, create_prefix=False):
1308
"""Push the source branch into this BzrDir."""
1310
# If we can open a branch, use its direct repository, otherwise see
1311
# if there is a repository without a branch.
1313
br_to = self.open_branch()
1314
except errors.NotBranchError:
1315
# Didn't find a branch, can we find a repository?
1316
repository_to = self.find_repository()
1318
# Found a branch, so we must have found a repository
1319
repository_to = br_to.repository
1321
push_result = PushResult()
1322
push_result.source_branch = source
1324
# We have a repository but no branch, copy the revisions, and then
1326
repository_to.fetch(source.repository, revision_id=revision_id)
1327
br_to = source.clone(self, revision_id=revision_id)
1328
if source.get_push_location() is None or remember:
1329
source.set_push_location(br_to.base)
1330
push_result.stacked_on = None
1331
push_result.branch_push_result = None
1332
push_result.old_revno = None
1333
push_result.old_revid = _mod_revision.NULL_REVISION
1334
push_result.target_branch = br_to
1335
push_result.master_branch = None
1336
push_result.workingtree_updated = False
1338
# We have successfully opened the branch, remember if necessary:
1339
if source.get_push_location() is None or remember:
1340
source.set_push_location(br_to.base)
1342
tree_to = self.open_workingtree()
1343
except errors.NotLocalUrl:
1344
push_result.branch_push_result = source.push(br_to,
1345
overwrite, stop_revision=revision_id)
1346
push_result.workingtree_updated = False
1347
except errors.NoWorkingTree:
1348
push_result.branch_push_result = source.push(br_to,
1349
overwrite, stop_revision=revision_id)
1350
push_result.workingtree_updated = None # Not applicable
1352
tree_to.lock_write()
1354
push_result.branch_push_result = source.push(
1355
tree_to.branch, overwrite, stop_revision=revision_id)
1359
push_result.workingtree_updated = True
1360
push_result.old_revno = push_result.branch_push_result.old_revno
1361
push_result.old_revid = push_result.branch_push_result.old_revid
1362
push_result.target_branch = \
1363
push_result.branch_push_result.target_branch
1367
class BzrDirHooks(hooks.Hooks):
1368
"""Hooks for BzrDir operations."""
1371
"""Create the default hooks."""
1372
hooks.Hooks.__init__(self)
1373
self.create_hook(hooks.HookPoint('pre_open',
1374
"Invoked before attempting to open a BzrDir with the transport "
1375
"that the open will use.", (1, 14), None))
1376
self.create_hook(hooks.HookPoint('post_repo_init',
1377
"Invoked after a repository has been initialized. "
1378
"post_repo_init is called with a "
1379
"bzrlib.bzrdir.RepoInitHookParams.",
1382
# install the default hooks
1383
BzrDir.hooks = BzrDirHooks()
1386
class RepoInitHookParams(object):
1387
"""Object holding parameters passed to *_repo_init hooks.
1389
There are 4 fields that hooks may wish to access:
1391
:ivar repository: Repository created
1392
:ivar format: Repository format
1393
:ivar bzrdir: The bzrdir for the repository
1394
:ivar shared: The repository is shared
1397
def __init__(self, repository, format, a_bzrdir, shared):
1398
"""Create a group of RepoInitHook parameters.
1400
:param repository: Repository created
1401
:param format: Repository format
1402
:param bzrdir: The bzrdir for the repository
1403
:param shared: The repository is shared
1405
self.repository = repository
1406
self.format = format
1407
self.bzrdir = a_bzrdir
1408
self.shared = shared
1410
def __eq__(self, other):
1411
return self.__dict__ == other.__dict__
1415
return "<%s for %s>" % (self.__class__.__name__,
1418
return "<%s for %s>" % (self.__class__.__name__,
1422
845
class BzrDirPreSplitOut(BzrDir):
1423
846
"""A common class for the all-in-one formats."""
1976
1286
current default format. In the case of plugins we can/should provide
1977
1287
some means for them to extend the range of returnable converters.
1979
:param format: Optional format to override the default format of the
1289
:param format: Optional format to override the default format of the
1982
1292
raise NotImplementedError(self.get_converter)
1984
def initialize(self, url, possible_transports=None):
1294
def initialize(self, url):
1985
1295
"""Create a bzr control dir at this url and return an opened copy.
1987
While not deprecated, this method is very specific and its use will
1988
lead to many round trips to setup a working environment. See
1989
initialize_on_transport_ex for a [nearly] all-in-one method.
1991
1297
Subclasses should typically override initialize_on_transport
1992
1298
instead of this method.
1994
return self.initialize_on_transport(get_transport(url,
1995
possible_transports))
1300
return self.initialize_on_transport(get_transport(url))
1997
1302
def initialize_on_transport(self, transport):
1998
1303
"""Initialize a new bzrdir in the base directory of a Transport."""
2000
# can we hand off the request to the smart server rather than using
2002
client_medium = transport.get_smart_medium()
2003
except errors.NoSmartMedium:
2004
return self._initialize_on_transport_vfs(transport)
2006
# Current RPC's only know how to create bzr metadir1 instances, so
2007
# we still delegate to vfs methods if the requested format is not a
2009
if type(self) != BzrDirMetaFormat1:
2010
return self._initialize_on_transport_vfs(transport)
2011
remote_format = RemoteBzrDirFormat()
2012
self._supply_sub_formats_to(remote_format)
2013
return remote_format.initialize_on_transport(transport)
2015
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
2016
create_prefix=False, force_new_repo=False, stacked_on=None,
2017
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
2018
shared_repo=False, vfs_only=False):
2019
"""Create this format on transport.
2021
The directory to initialize will be created.
2023
:param force_new_repo: Do not use a shared repository for the target,
2024
even if one is available.
2025
:param create_prefix: Create any missing directories leading up to
2027
:param use_existing_dir: Use an existing directory if one exists.
2028
:param stacked_on: A url to stack any created branch on, None to follow
2029
any target stacking policy.
2030
:param stack_on_pwd: If stack_on is relative, the location it is
2032
:param repo_format_name: If non-None, a repository will be
2033
made-or-found. Should none be found, or if force_new_repo is True
2034
the repo_format_name is used to select the format of repository to
2036
:param make_working_trees: Control the setting of make_working_trees
2037
for a new shared repository when one is made. None to use whatever
2038
default the format has.
2039
:param shared_repo: Control whether made repositories are shared or
2041
:param vfs_only: If True do not attempt to use a smart server
2042
:return: repo, bzrdir, require_stacking, repository_policy. repo is
2043
None if none was created or found, bzrdir is always valid.
2044
require_stacking is the result of examining the stacked_on
2045
parameter and any stacking policy found for the target.
2048
# Try to hand off to a smart server
2050
client_medium = transport.get_smart_medium()
2051
except errors.NoSmartMedium:
2054
# TODO: lookup the local format from a server hint.
2055
remote_dir_format = RemoteBzrDirFormat()
2056
remote_dir_format._network_name = self.network_name()
2057
self._supply_sub_formats_to(remote_dir_format)
2058
return remote_dir_format.initialize_on_transport_ex(transport,
2059
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
2060
force_new_repo=force_new_repo, stacked_on=stacked_on,
2061
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
2062
make_working_trees=make_working_trees, shared_repo=shared_repo)
2063
# XXX: Refactor the create_prefix/no_create_prefix code into a
2064
# common helper function
2065
# The destination may not exist - if so make it according to policy.
2066
def make_directory(transport):
2067
transport.mkdir('.')
2069
def redirected(transport, e, redirection_notice):
2070
note(redirection_notice)
2071
return transport._redirected_to(e.source, e.target)
2073
transport = do_catching_redirections(make_directory, transport,
2075
except errors.FileExists:
2076
if not use_existing_dir:
2078
except errors.NoSuchFile:
2079
if not create_prefix:
2081
transport.create_prefix()
2083
require_stacking = (stacked_on is not None)
2084
# Now the target directory exists, but doesn't have a .bzr
2085
# directory. So we need to create it, along with any work to create
2086
# all of the dependent branches, etc.
2088
result = self.initialize_on_transport(transport)
2089
if repo_format_name:
2091
# use a custom format
2092
result._format.repository_format = \
2093
repository.network_format_registry.get(repo_format_name)
2094
except AttributeError:
2095
# The format didn't permit it to be set.
2097
# A repository is desired, either in-place or shared.
2098
repository_policy = result.determine_repository_policy(
2099
force_new_repo, stacked_on, stack_on_pwd,
2100
require_stacking=require_stacking)
2101
result_repo, is_new_repo = repository_policy.acquire_repository(
2102
make_working_trees, shared_repo)
2103
if not require_stacking and repository_policy._require_stacking:
2104
require_stacking = True
2105
result._format.require_stacking()
2106
result_repo.lock_write()
2109
repository_policy = None
2110
return result_repo, result, require_stacking, repository_policy
2112
def _initialize_on_transport_vfs(self, transport):
2113
"""Initialize a new bzrdir using VFS calls.
2115
:param transport: The transport to create the .bzr directory in.
2118
# Since we are creating a .bzr directory, inherit the
1304
# Since we don't have a .bzr directory, inherit the
2119
1305
# mode from the root directory
2120
1306
temp_control = lockable_files.LockableFiles(transport,
2121
1307
'', lockable_files.TransportLock)
2511
1641
def set_branch_format(self, format):
2512
1642
self._branch_format = format
2514
def require_stacking(self, stack_on=None, possible_transports=None,
2516
"""We have a request to stack, try to ensure the formats support it.
2518
:param stack_on: If supplied, it is the URL to a branch that we want to
2519
stack on. Check to see if that format supports stacking before
2522
# Stacking is desired. requested by the target, but does the place it
2523
# points at support stacking? If it doesn't then we should
2524
# not implicitly upgrade. We check this here.
2525
new_repo_format = None
2526
new_branch_format = None
2528
# a bit of state for get_target_branch so that we don't try to open it
2529
# 2 times, for both repo *and* branch
2530
target = [None, False, None] # target_branch, checked, upgrade anyway
2531
def get_target_branch():
2533
# We've checked, don't check again
2535
if stack_on is None:
2536
# No target format, that means we want to force upgrading
2537
target[:] = [None, True, True]
2540
target_dir = BzrDir.open(stack_on,
2541
possible_transports=possible_transports)
2542
except errors.NotBranchError:
2543
# Nothing there, don't change formats
2544
target[:] = [None, True, False]
2546
except errors.JailBreak:
2547
# JailBreak, JFDI and upgrade anyway
2548
target[:] = [None, True, True]
2551
target_branch = target_dir.open_branch()
2552
except errors.NotBranchError:
2553
# No branch, don't upgrade formats
2554
target[:] = [None, True, False]
2556
target[:] = [target_branch, True, False]
2559
if (not _skip_repo and
2560
not self.repository_format.supports_external_lookups):
2561
# We need to upgrade the Repository.
2562
target_branch, _, do_upgrade = get_target_branch()
2563
if target_branch is None:
2564
# We don't have a target branch, should we upgrade anyway?
2566
# stack_on is inaccessible, JFDI.
2567
# TODO: bad monkey, hard-coded formats...
2568
if self.repository_format.rich_root_data:
2569
new_repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
2571
new_repo_format = pack_repo.RepositoryFormatKnitPack5()
2573
# If the target already supports stacking, then we know the
2574
# project is already able to use stacking, so auto-upgrade
2576
new_repo_format = target_branch.repository._format
2577
if not new_repo_format.supports_external_lookups:
2578
# target doesn't, source doesn't, so don't auto upgrade
2580
new_repo_format = None
2581
if new_repo_format is not None:
2582
self.repository_format = new_repo_format
2583
note('Source repository format does not support stacking,'
2584
' using format:\n %s',
2585
new_repo_format.get_format_description())
2587
if not self.get_branch_format().supports_stacking():
2588
# We just checked the repo, now lets check if we need to
2589
# upgrade the branch format
2590
target_branch, _, do_upgrade = get_target_branch()
2591
if target_branch is None:
2593
# TODO: bad monkey, hard-coded formats...
2594
new_branch_format = branch.BzrBranchFormat7()
2596
new_branch_format = target_branch._format
2597
if not new_branch_format.supports_stacking():
2598
new_branch_format = None
2599
if new_branch_format is not None:
2600
# Does support stacking, use its format.
2601
self.set_branch_format(new_branch_format)
2602
note('Source branch format does not support stacking,'
2603
' using format:\n %s',
2604
new_branch_format.get_format_description())
2606
1644
def get_converter(self, format=None):
2607
1645
"""See BzrDirFormat.get_converter()."""
2608
1646
if format is None:
3205
2218
# TODO: conversions of Branch and Tree should be done by
3206
2219
# InterXFormat lookups
3207
2220
if (isinstance(tree, workingtree.WorkingTree3) and
3208
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2221
not isinstance(tree, workingtree_4.WorkingTree4) and
3209
2222
isinstance(self.target_format.workingtree_format,
3210
workingtree_4.DirStateWorkingTreeFormat)):
2223
workingtree_4.WorkingTreeFormat4)):
3211
2224
workingtree_4.Converter3to4().convert(tree)
3212
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3213
not isinstance(tree, workingtree_4.WorkingTree5) and
3214
isinstance(self.target_format.workingtree_format,
3215
workingtree_4.WorkingTreeFormat5)):
3216
workingtree_4.Converter4to5().convert(tree)
3217
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3218
not isinstance(tree, workingtree_4.WorkingTree6) and
3219
isinstance(self.target_format.workingtree_format,
3220
workingtree_4.WorkingTreeFormat6)):
3221
workingtree_4.Converter4or5to6().convert(tree)
3223
2225
return to_convert
3226
# This is not in remote.py because it's relatively small, and needs to be
3227
# registered. Putting it in remote.py creates a circular import problem.
2228
# This is not in remote.py because it's small, and needs to be registered.
2229
# Putting it in remote.py creates a circular import problem.
3228
2230
# we can make it a lazy object if the control formats is turned into something
3229
2231
# like a registry.
3230
2232
class RemoteBzrDirFormat(BzrDirMetaFormat1):
3231
2233
"""Format representing bzrdirs accessed via a smart server"""
3234
BzrDirMetaFormat1.__init__(self)
3235
# XXX: It's a bit ugly that the network name is here, because we'd
3236
# like to believe that format objects are stateless or at least
3237
# immutable, However, we do at least avoid mutating the name after
3238
# it's returned. See <https://bugs.edge.launchpad.net/bzr/+bug/504102>
3239
self._network_name = None
3242
return "%s(_network_name=%r)" % (self.__class__.__name__,
3245
2235
def get_format_description(self):
3246
if self._network_name:
3247
real_format = network_format_registry.get(self._network_name)
3248
return 'Remote: ' + real_format.get_format_description()
3249
2236
return 'bzr remote bzrdir'
3251
def get_format_string(self):
3252
raise NotImplementedError(self.get_format_string)
3254
def network_name(self):
3255
if self._network_name:
3256
return self._network_name
3258
raise AssertionError("No network name set.")
3261
2239
def probe_transport(klass, transport):
3262
2240
"""Return a RemoteBzrDirFormat object if it looks possible."""
3264
medium = transport.get_smart_medium()
2242
client = transport.get_smart_client()
3265
2243
except (NotImplementedError, AttributeError,
3266
errors.TransportNotPossible, errors.NoSmartMedium,
3267
errors.SmartProtocolError):
2244
errors.TransportNotPossible):
3268
2245
# no smart server, so not a branch for this format type.
3269
2246
raise errors.NotBranchError(path=transport.base)
3271
# Decline to open it if the server doesn't support our required
3272
# version (3) so that the VFS-based transport will do it.
3273
if medium.should_probe():
3275
server_version = medium.protocol_version()
3276
except errors.SmartProtocolError:
3277
# Apparently there's no usable smart server there, even though
3278
# the medium supports the smart protocol.
3279
raise errors.NotBranchError(path=transport.base)
3280
if server_version != '2':
3281
raise errors.NotBranchError(path=transport.base)
2248
# Send a 'hello' request in protocol version one, and decline to
2249
# open it if the server doesn't support our required version (2) so
2250
# that the VFS-based transport will do it.
2251
request = client.get_request()
2252
smart_protocol = protocol.SmartClientRequestProtocolOne(request)
2253
server_version = smart_protocol.query_version()
2254
if server_version != 2:
2255
raise errors.NotBranchError(path=transport.base)
3284
2258
def initialize_on_transport(self, transport):
3286
2260
# hand off the request to the smart server
3287
client_medium = transport.get_smart_medium()
2261
medium = transport.get_smart_medium()
3288
2262
except errors.NoSmartMedium:
3289
2263
# TODO: lookup the local format from a server hint.
3290
2264
local_dir_format = BzrDirMetaFormat1()
3291
2265
return local_dir_format.initialize_on_transport(transport)
3292
client = _SmartClient(client_medium)
2266
client = _SmartClient(medium)
3293
2267
path = client.remote_path_from_transport(transport)
3295
response = client.call('BzrDirFormat.initialize', path)
3296
except errors.ErrorFromSmartServer, err:
3297
remote._translate_error(err, path=path)
3298
if response[0] != 'ok':
3299
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
3300
format = RemoteBzrDirFormat()
3301
self._supply_sub_formats_to(format)
3302
return remote.RemoteBzrDir(transport, format)
3304
def parse_NoneTrueFalse(self, arg):
3311
raise AssertionError("invalid arg %r" % arg)
3313
def _serialize_NoneTrueFalse(self, arg):
3320
def _serialize_NoneString(self, arg):
3323
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
3324
create_prefix=False, force_new_repo=False, stacked_on=None,
3325
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
3328
# hand off the request to the smart server
3329
client_medium = transport.get_smart_medium()
3330
except errors.NoSmartMedium:
3333
# Decline to open it if the server doesn't support our required
3334
# version (3) so that the VFS-based transport will do it.
3335
if client_medium.should_probe():
3337
server_version = client_medium.protocol_version()
3338
if server_version != '2':
3342
except errors.SmartProtocolError:
3343
# Apparently there's no usable smart server there, even though
3344
# the medium supports the smart protocol.
3349
client = _SmartClient(client_medium)
3350
path = client.remote_path_from_transport(transport)
3351
if client_medium._is_remote_before((1, 16)):
3354
# TODO: lookup the local format from a server hint.
3355
local_dir_format = BzrDirMetaFormat1()
3356
self._supply_sub_formats_to(local_dir_format)
3357
return local_dir_format.initialize_on_transport_ex(transport,
3358
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3359
force_new_repo=force_new_repo, stacked_on=stacked_on,
3360
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3361
make_working_trees=make_working_trees, shared_repo=shared_repo,
3363
return self._initialize_on_transport_ex_rpc(client, path, transport,
3364
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3365
stack_on_pwd, repo_format_name, make_working_trees, shared_repo)
3367
def _initialize_on_transport_ex_rpc(self, client, path, transport,
3368
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3369
stack_on_pwd, repo_format_name, make_working_trees, shared_repo):
3371
args.append(self._serialize_NoneTrueFalse(use_existing_dir))
3372
args.append(self._serialize_NoneTrueFalse(create_prefix))
3373
args.append(self._serialize_NoneTrueFalse(force_new_repo))
3374
args.append(self._serialize_NoneString(stacked_on))
3375
# stack_on_pwd is often/usually our transport
3378
stack_on_pwd = transport.relpath(stack_on_pwd)
3379
if not stack_on_pwd:
3381
except errors.PathNotChild:
3383
args.append(self._serialize_NoneString(stack_on_pwd))
3384
args.append(self._serialize_NoneString(repo_format_name))
3385
args.append(self._serialize_NoneTrueFalse(make_working_trees))
3386
args.append(self._serialize_NoneTrueFalse(shared_repo))
3387
request_network_name = self._network_name or \
3388
BzrDirFormat.get_default_format().network_name()
3390
response = client.call('BzrDirFormat.initialize_ex_1.16',
3391
request_network_name, path, *args)
3392
except errors.UnknownSmartMethod:
3393
client._medium._remember_remote_is_before((1,16))
3394
local_dir_format = BzrDirMetaFormat1()
3395
self._supply_sub_formats_to(local_dir_format)
3396
return local_dir_format.initialize_on_transport_ex(transport,
3397
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3398
force_new_repo=force_new_repo, stacked_on=stacked_on,
3399
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3400
make_working_trees=make_working_trees, shared_repo=shared_repo,
3402
except errors.ErrorFromSmartServer, err:
3403
remote._translate_error(err, path=path)
3404
repo_path = response[0]
3405
bzrdir_name = response[6]
3406
require_stacking = response[7]
3407
require_stacking = self.parse_NoneTrueFalse(require_stacking)
3408
format = RemoteBzrDirFormat()
3409
format._network_name = bzrdir_name
3410
self._supply_sub_formats_to(format)
3411
bzrdir = remote.RemoteBzrDir(transport, format, _client=client)
3413
repo_format = remote.response_tuple_to_repo_format(response[1:])
3414
if repo_path == '.':
3417
repo_bzrdir_format = RemoteBzrDirFormat()
3418
repo_bzrdir_format._network_name = response[5]
3419
repo_bzr = remote.RemoteBzrDir(transport.clone(repo_path),
3423
final_stack = response[8] or None
3424
final_stack_pwd = response[9] or None
3426
final_stack_pwd = urlutils.join(
3427
transport.base, final_stack_pwd)
3428
remote_repo = remote.RemoteRepository(repo_bzr, repo_format)
3429
if len(response) > 10:
3430
# Updated server verb that locks remotely.
3431
repo_lock_token = response[10] or None
3432
remote_repo.lock_write(repo_lock_token, _skip_rpc=True)
3434
remote_repo.dont_leave_lock_in_place()
3436
remote_repo.lock_write()
3437
policy = UseExistingRepository(remote_repo, final_stack,
3438
final_stack_pwd, require_stacking)
3439
policy.acquire_repository()
3443
bzrdir._format.set_branch_format(self.get_branch_format())
3444
if require_stacking:
3445
# The repo has already been created, but we need to make sure that
3446
# we'll make a stackable branch.
3447
bzrdir._format.require_stacking(_skip_repo=True)
3448
return remote_repo, bzrdir, require_stacking, policy
2268
response = _SmartClient(medium).call('BzrDirFormat.initialize', path)
2269
assert response[0] in ('ok', ), 'unexpected response code %s' % (response,)
2270
return remote.RemoteBzrDir(transport)
3450
2272
def _open(self, transport):
3451
return remote.RemoteBzrDir(transport, self)
2273
return remote.RemoteBzrDir(transport)
3453
2275
def __eq__(self, other):
3454
2276
if not isinstance(other, RemoteBzrDirFormat):
3456
2278
return self.get_format_description() == other.get_format_description()
3458
def __return_repository_format(self):
3459
# Always return a RemoteRepositoryFormat object, but if a specific bzr
3460
# repository format has been asked for, tell the RemoteRepositoryFormat
3461
# that it should use that for init() etc.
3462
result = remote.RemoteRepositoryFormat()
3463
custom_format = getattr(self, '_repository_format', None)
3465
if isinstance(custom_format, remote.RemoteRepositoryFormat):
3466
return custom_format
3468
# We will use the custom format to create repositories over the
3469
# wire; expose its details like rich_root_data for code to
3471
result._custom_format = custom_format
3474
def get_branch_format(self):
3475
result = BzrDirMetaFormat1.get_branch_format(self)
3476
if not isinstance(result, remote.RemoteBranchFormat):
3477
new_result = remote.RemoteBranchFormat()
3478
new_result._custom_format = result
3480
self.set_branch_format(new_result)
3484
repository_format = property(__return_repository_format,
3485
BzrDirMetaFormat1._set_repository_format) #.im_func)
3488
2281
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
3491
2284
class BzrDirFormatInfo(object):
3493
def __init__(self, native, deprecated, hidden, experimental):
2286
def __init__(self, native, deprecated, hidden):
3494
2287
self.deprecated = deprecated
3495
2288
self.native = native
3496
2289
self.hidden = hidden
3497
self.experimental = experimental
3500
2292
class BzrDirFormatRegistry(registry.Registry):
3501
2293
"""Registry of user-selectable BzrDir subformats.
3503
2295
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
3504
2296
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
3508
"""Create a BzrDirFormatRegistry."""
3509
self._aliases = set()
3510
self._registration_order = list()
3511
super(BzrDirFormatRegistry, self).__init__()
3514
"""Return a set of the format names which are aliases."""
3515
return frozenset(self._aliases)
3517
2299
def register_metadir(self, key,
3518
2300
repository_format, help, native=True, deprecated=False,
3519
2301
branch_format=None,
3520
2302
tree_format=None,
3524
2304
"""Register a metadir subformat.
3526
2306
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
3527
by the Repository/Branch/WorkingTreeformats.
2307
by the Repository format.
3529
2309
:param repository_format: The fully-qualified repository format class
3530
2310
name as a string.
3558
2338
if repository_format is not None:
3559
2339
bd.repository_format = _load(repository_format)
3561
self.register(key, helper, help, native, deprecated, hidden,
3562
experimental, alias)
2341
self.register(key, helper, help, native, deprecated, hidden)
3564
2343
def register(self, key, factory, help, native=True, deprecated=False,
3565
hidden=False, experimental=False, alias=False):
3566
2345
"""Register a BzrDirFormat factory.
3568
2347
The factory must be a callable that takes one parameter: the key.
3569
2348
It must produce an instance of the BzrDirFormat when called.
3571
2350
This function mainly exists to prevent the info object from being
3572
2351
supplied directly.
3574
registry.Registry.register(self, key, factory, help,
3575
BzrDirFormatInfo(native, deprecated, hidden, experimental))
3577
self._aliases.add(key)
3578
self._registration_order.append(key)
2353
registry.Registry.register(self, key, factory, help,
2354
BzrDirFormatInfo(native, deprecated, hidden))
3580
2356
def register_lazy(self, key, module_name, member_name, help, native=True,
3581
deprecated=False, hidden=False, experimental=False, alias=False):
3582
registry.Registry.register_lazy(self, key, module_name, member_name,
3583
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
3585
self._aliases.add(key)
3586
self._registration_order.append(key)
2357
deprecated=False, hidden=False):
2358
registry.Registry.register_lazy(self, key, module_name, member_name,
2359
help, BzrDirFormatInfo(native, deprecated, hidden))
3588
2361
def set_default(self, key):
3589
2362
"""Set the 'default' key to be a clone of the supplied key.
3591
2364
This method must be called once and only once.
3593
registry.Registry.register(self, 'default', self.get(key),
2366
registry.Registry.register(self, 'default', self.get(key),
3594
2367
self.get_help(key), info=self.get_info(key))
3595
self._aliases.add('default')
3597
2369
def set_default_repository(self, key):
3598
2370
"""Set the FormatRegistry default and Repository default.
3600
2372
This is a transitional method while Repository.set_default_format
3625
2404
def wrapped(key, help, info):
3626
2405
if info.native:
3627
2406
help = '(native) ' + help
3628
return ':%s:\n%s\n\n' % (key,
3629
textwrap.fill(help, initial_indent=' ',
3630
subsequent_indent=' ',
3631
break_long_words=False))
3632
if default_realkey is not None:
3633
output += wrapped(default_realkey, '(default) %s' % default_help,
3634
self.get_info('default'))
2407
return ' %s:\n%s\n\n' % (key,
2408
textwrap.fill(help, initial_indent=' ',
2409
subsequent_indent=' '))
2410
output += wrapped('%s/default' % default_realkey, default_help,
2411
self.get_info('default'))
3635
2412
deprecated_pairs = []
3636
experimental_pairs = []
3637
2413
for key, help in help_pairs:
3638
2414
info = self.get_info(key)
3639
2415
if info.hidden:
3641
2417
elif info.deprecated:
3642
2418
deprecated_pairs.append((key, help))
3643
elif info.experimental:
3644
experimental_pairs.append((key, help))
3646
2420
output += wrapped(key, help, info)
3647
output += "\nSee :doc:`formats-help` for more about storage formats."
3649
if len(experimental_pairs) > 0:
3650
other_output += "Experimental formats are shown below.\n\n"
3651
for key, help in experimental_pairs:
3652
info = self.get_info(key)
3653
other_output += wrapped(key, help, info)
3656
"No experimental formats are available.\n\n"
3657
2421
if len(deprecated_pairs) > 0:
3658
other_output += "\nDeprecated formats are shown below.\n\n"
2422
output += "Deprecated formats\n------------------\n\n"
3659
2423
for key, help in deprecated_pairs:
3660
2424
info = self.get_info(key)
3661
other_output += wrapped(key, help, info)
3664
"\nNo deprecated formats are available.\n\n"
3666
"\nSee :doc:`formats-help` for more about storage formats."
3668
if topic == 'other-formats':
3674
class RepositoryAcquisitionPolicy(object):
3675
"""Abstract base class for repository acquisition policies.
3677
A repository acquisition policy decides how a BzrDir acquires a repository
3678
for a branch that is being created. The most basic policy decision is
3679
whether to create a new repository or use an existing one.
3681
def __init__(self, stack_on, stack_on_pwd, require_stacking):
3684
:param stack_on: A location to stack on
3685
:param stack_on_pwd: If stack_on is relative, the location it is
3687
:param require_stacking: If True, it is a failure to not stack.
3689
self._stack_on = stack_on
3690
self._stack_on_pwd = stack_on_pwd
3691
self._require_stacking = require_stacking
3693
def configure_branch(self, branch):
3694
"""Apply any configuration data from this policy to the branch.
3696
Default implementation sets repository stacking.
3698
if self._stack_on is None:
3700
if self._stack_on_pwd is None:
3701
stack_on = self._stack_on
3704
stack_on = urlutils.rebase_url(self._stack_on,
3707
except errors.InvalidRebaseURLs:
3708
stack_on = self._get_full_stack_on()
3710
branch.set_stacked_on_url(stack_on)
3711
except (errors.UnstackableBranchFormat,
3712
errors.UnstackableRepositoryFormat):
3713
if self._require_stacking:
3716
def requires_stacking(self):
3717
"""Return True if this policy requires stacking."""
3718
return self._stack_on is not None and self._require_stacking
3720
def _get_full_stack_on(self):
3721
"""Get a fully-qualified URL for the stack_on location."""
3722
if self._stack_on is None:
3724
if self._stack_on_pwd is None:
3725
return self._stack_on
3727
return urlutils.join(self._stack_on_pwd, self._stack_on)
3729
def _add_fallback(self, repository, possible_transports=None):
3730
"""Add a fallback to the supplied repository, if stacking is set."""
3731
stack_on = self._get_full_stack_on()
3732
if stack_on is None:
3735
stacked_dir = BzrDir.open(stack_on,
3736
possible_transports=possible_transports)
3737
except errors.JailBreak:
3738
# We keep the stacking details, but we are in the server code so
3739
# actually stacking is not needed.
3742
stacked_repo = stacked_dir.open_branch().repository
3743
except errors.NotBranchError:
3744
stacked_repo = stacked_dir.open_repository()
3746
repository.add_fallback_repository(stacked_repo)
3747
except errors.UnstackableRepositoryFormat:
3748
if self._require_stacking:
3751
self._require_stacking = True
3753
def acquire_repository(self, make_working_trees=None, shared=False):
3754
"""Acquire a repository for this bzrdir.
3756
Implementations may create a new repository or use a pre-exising
3758
:param make_working_trees: If creating a repository, set
3759
make_working_trees to this value (if non-None)
3760
:param shared: If creating a repository, make it shared if True
3761
:return: A repository, is_new_flag (True if the repository was
3764
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
3767
class CreateRepository(RepositoryAcquisitionPolicy):
3768
"""A policy of creating a new repository"""
3770
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
3771
require_stacking=False):
3774
:param bzrdir: The bzrdir to create the repository on.
3775
:param stack_on: A location to stack on
3776
:param stack_on_pwd: If stack_on is relative, the location it is
3779
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3781
self._bzrdir = bzrdir
3783
def acquire_repository(self, make_working_trees=None, shared=False):
3784
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3786
Creates the desired repository in the bzrdir we already have.
3788
stack_on = self._get_full_stack_on()
3790
format = self._bzrdir._format
3791
format.require_stacking(stack_on=stack_on,
3792
possible_transports=[self._bzrdir.root_transport])
3793
if not self._require_stacking:
3794
# We have picked up automatic stacking somewhere.
3795
note('Using default stacking branch %s at %s', self._stack_on,
3797
repository = self._bzrdir.create_repository(shared=shared)
3798
self._add_fallback(repository,
3799
possible_transports=[self._bzrdir.transport])
3800
if make_working_trees is not None:
3801
repository.set_make_working_trees(make_working_trees)
3802
return repository, True
3805
class UseExistingRepository(RepositoryAcquisitionPolicy):
3806
"""A policy of reusing an existing repository"""
3808
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
3809
require_stacking=False):
3812
:param repository: The repository to use.
3813
:param stack_on: A location to stack on
3814
:param stack_on_pwd: If stack_on is relative, the location it is
3817
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3819
self._repository = repository
3821
def acquire_repository(self, make_working_trees=None, shared=False):
3822
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3824
Returns an existing repository to use.
3826
self._add_fallback(self._repository,
3827
possible_transports=[self._repository.bzrdir.transport])
3828
return self._repository, False
3831
# Please register new formats after old formats so that formats
3832
# appear in chronological order and format descriptions can build
2425
output += wrapped(key, help, info)
3834
2430
format_registry = BzrDirFormatRegistry()
3835
# The pre-0.8 formats have their repository format network name registered in
3836
# repository.py. MetaDir formats have their repository format network name
3837
# inferred from their disk format string.
3838
2431
format_registry.register('weave', BzrDirFormat6,
3839
2432
'Pre-0.8 format. Slower than knit and does not'
3840
2433
' support checkouts or shared repositories.',
3842
2434
deprecated=True)
2435
format_registry.register_metadir('knit',
2436
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2437
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2438
branch_format='bzrlib.branch.BzrBranchFormat5',
2439
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
3843
2440
format_registry.register_metadir('metaweave',
3844
2441
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
3845
2442
'Transitional format in 0.8. Slower than knit.',
3846
2443
branch_format='bzrlib.branch.BzrBranchFormat5',
3847
2444
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3850
format_registry.register_metadir('knit',
3851
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3852
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
3853
branch_format='bzrlib.branch.BzrBranchFormat5',
3854
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3856
2445
deprecated=True)
3857
2446
format_registry.register_metadir('dirstate',
3858
2447
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3888
2467
'bzr branches. Incompatible with bzr < 0.15.',
3889
2468
branch_format='bzrlib.branch.BzrBranchFormat6',
3890
2469
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3894
format_registry.register_metadir('pack-0.92',
3895
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3896
help='New in 0.92: Pack-based format with data compatible with '
3897
'dirstate-tags format repositories. Interoperates with '
3898
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3900
branch_format='bzrlib.branch.BzrBranchFormat6',
3901
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3903
format_registry.register_metadir('pack-0.92-subtree',
3904
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3905
help='New in 0.92: Pack-based format with data compatible with '
3906
'dirstate-with-subtree format repositories. Interoperates with '
3907
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3909
branch_format='bzrlib.branch.BzrBranchFormat6',
3910
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3914
format_registry.register_metadir('rich-root-pack',
3915
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3916
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
3917
'(needed for bzr-svn and bzr-git).',
3918
branch_format='bzrlib.branch.BzrBranchFormat6',
3919
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3922
format_registry.register_metadir('1.6',
3923
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3924
help='A format that allows a branch to indicate that there is another '
3925
'(stacked) repository that should be used to access data that is '
3926
'not present locally.',
3927
branch_format='bzrlib.branch.BzrBranchFormat7',
3928
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3931
format_registry.register_metadir('1.6.1-rich-root',
3932
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3933
help='A variant of 1.6 that supports rich-root data '
3934
'(needed for bzr-svn and bzr-git).',
3935
branch_format='bzrlib.branch.BzrBranchFormat7',
3936
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3939
format_registry.register_metadir('1.9',
3940
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3941
help='A repository format using B+tree indexes. These indexes '
3942
'are smaller in size, have smarter caching and provide faster '
3943
'performance for most operations.',
3944
branch_format='bzrlib.branch.BzrBranchFormat7',
3945
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3948
format_registry.register_metadir('1.9-rich-root',
3949
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3950
help='A variant of 1.9 that supports rich-root data '
3951
'(needed for bzr-svn and bzr-git).',
3952
branch_format='bzrlib.branch.BzrBranchFormat7',
3953
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3956
format_registry.register_metadir('1.14',
3957
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3958
help='A working-tree format that supports content filtering.',
3959
branch_format='bzrlib.branch.BzrBranchFormat7',
3960
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3962
format_registry.register_metadir('1.14-rich-root',
3963
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3964
help='A variant of 1.14 that supports rich-root data '
3965
'(needed for bzr-svn and bzr-git).',
3966
branch_format='bzrlib.branch.BzrBranchFormat7',
3967
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3969
# The following un-numbered 'development' formats should always just be aliases.
3970
format_registry.register_metadir('development-rich-root',
3971
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
3972
help='Current development format. Supports rich roots. Can convert data '
3973
'to and from rich-root-pack (and anything compatible with '
3974
'rich-root-pack) format repositories. Repositories and branches in '
3975
'this format can only be read by bzr.dev. Please read '
3976
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3978
branch_format='bzrlib.branch.BzrBranchFormat7',
3979
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3984
format_registry.register_metadir('development-subtree',
3985
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3986
help='Current development format, subtree variant. Can convert data to and '
3987
'from pack-0.92-subtree (and anything compatible with '
3988
'pack-0.92-subtree) format repositories. Repositories and branches in '
3989
'this format can only be read by bzr.dev. Please read '
3990
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3992
branch_format='bzrlib.branch.BzrBranchFormat7',
3993
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
3996
alias=False, # Restore to being an alias when an actual development subtree format is added
3997
# This current non-alias status is simply because we did not introduce a
3998
# chk based subtree format.
4001
# And the development formats above will have aliased one of the following:
4002
format_registry.register_metadir('development6-rich-root',
4003
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
4004
help='pack-1.9 with 255-way hashed CHK inv, group compress, rich roots '
4006
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
4008
branch_format='bzrlib.branch.BzrBranchFormat7',
4009
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4014
format_registry.register_metadir('development7-rich-root',
4015
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK2',
4016
help='pack-1.9 with 255-way hashed CHK inv, bencode revision, group compress, '
4017
'rich roots. Please read '
4018
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
4020
branch_format='bzrlib.branch.BzrBranchFormat7',
4021
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4026
format_registry.register_metadir('2a',
4027
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
4028
help='First format for bzr 2.0 series.\n'
4029
'Uses group-compress storage.\n'
4030
'Provides rich roots which are a one-way transition.\n',
4031
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
4032
# 'rich roots. Supported by bzr 1.16 and later.',
4033
branch_format='bzrlib.branch.BzrBranchFormat7',
4034
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4038
# The following format should be an alias for the rich root equivalent
4039
# of the default format
4040
format_registry.register_metadir('default-rich-root',
4041
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
4042
branch_format='bzrlib.branch.BzrBranchFormat7',
4043
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4048
# The current format that is made on 'bzr init'.
4049
format_registry.set_default('2a')
2472
format_registry.set_default('dirstate')