321
535
policy = self.determine_repository_policy(force_new_repo)
322
536
return policy.acquire_repository()[0]
324
def _find_source_repo(self, exit_stack, source_branch):
325
"""Find the source branch and repo for a sprout operation.
327
This is helper intended for use by _sprout.
329
:returns: (source_branch, source_repository). Either or both may be
330
None. If not None, they will be read-locked (and their unlock(s)
331
scheduled via the exit_stack param).
539
def create_branch_convenience(base, force_new_repo=False,
540
force_new_tree=None, format=None,
541
possible_transports=None):
542
"""Create a new BzrDir, Branch and Repository at the url 'base'.
544
This is a convenience function - it will use an existing repository
545
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
550
repository format that that uses via bzrdir.create_branch and
551
create_repository. If a shared repository is available that is used
552
preferentially. Whatever repository is used, its tree creation policy
555
The created Branch object is returned.
556
If a working tree cannot be made due to base not being a file:// url,
557
no error is raised unless force_new_tree is True, in which case no
558
data is created on disk and NotLocalUrl is raised.
560
:param base: The URL to create the branch at.
561
:param force_new_repo: If True a new repository is always created.
562
:param force_new_tree: If True or False force creation of a tree or
563
prevent such creation respectively.
564
:param format: Override for the bzrdir format to create.
565
:param possible_transports: An optional reusable transports list.
333
if source_branch is not None:
334
exit_stack.enter_context(source_branch.lock_read())
335
return source_branch, source_branch.repository
337
source_branch = self.open_branch()
338
source_repository = source_branch.repository
339
except errors.NotBranchError:
568
# check for non local urls
569
t = get_transport(base, possible_transports)
570
if not isinstance(t, local.LocalTransport):
571
raise errors.NotLocalUrl(base)
572
bzrdir = BzrDir.create(base, format, possible_transports)
573
repo = bzrdir._find_or_create_repository(force_new_repo)
574
result = bzrdir.create_branch()
575
if force_new_tree or (repo.make_working_trees() and
576
force_new_tree is None):
342
source_repository = self.open_repository()
343
except errors.NoRepositoryPresent:
344
source_repository = None
346
exit_stack.enter_context(source_repository.lock_read())
348
exit_stack.enter_context(source_branch.lock_read())
349
return source_branch, source_repository
351
def sprout(self, url, revision_id=None, force_new_repo=False,
352
recurse='down', possible_transports=None,
353
accelerator_tree=None, hardlink=False, stacked=False,
354
source_branch=None, create_tree_if_local=True,
356
"""Create a copy of this controldir prepared for use as a new line of
359
If url's last component does not exist, it will be created.
361
Attributes related to the identity of the source branch like
362
branch nickname will be cleaned, a working tree is created
363
whether one existed before or not; and a local branch is always
366
if revision_id is not None, then the clone operation may tune
367
itself to download less data.
578
bzrdir.create_workingtree()
579
except errors.NotLocalUrl:
584
def create_standalone_workingtree(base, format=None):
585
"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
587
'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
591
repository format that that uses for bzrdirformat.create_workingtree,
592
create_branch and create_repository.
594
:param format: Override for the bzrdir format to create.
595
:return: The WorkingTree object.
597
t = get_transport(base)
598
if not isinstance(t, local.LocalTransport):
599
raise errors.NotLocalUrl(base)
600
bzrdir = BzrDir.create_branch_and_repo(base,
602
format=format).bzrdir
603
return bzrdir.create_workingtree()
605
def create_workingtree(self, revision_id=None, from_branch=None,
606
accelerator_tree=None, hardlink=False):
607
"""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)
369
611
:param accelerator_tree: A tree which can be used for retrieving file
370
612
contents more quickly than the revision tree, i.e. a workingtree.
371
613
The revision tree will be used for cases where accelerator_tree's
372
614
content is different.
373
:param hardlink: If true, hard-link files from accelerator_tree,
375
:param stacked: If true, create a stacked branch referring to the
376
location of this control directory.
377
:param create_tree_if_local: If true, a working-tree will be created
378
when working locally.
379
:return: The created control directory
381
with contextlib.ExitStack() as stack:
382
fetch_spec_factory = fetch.FetchSpecFactory()
383
if revision_id is not None:
384
fetch_spec_factory.add_revision_ids([revision_id])
385
fetch_spec_factory.source_branch_stop_revision_id = revision_id
386
if possible_transports is None:
387
possible_transports = []
389
possible_transports = list(possible_transports) + [
391
target_transport = _mod_transport.get_transport(url,
393
target_transport.ensure_base()
394
cloning_format = self.cloning_metadir(stacked)
395
# Create/update the result branch
397
result = controldir.ControlDir.open_from_transport(
399
except errors.NotBranchError:
400
result = cloning_format.initialize_on_transport(target_transport)
401
source_branch, source_repository = self._find_source_repo(
402
stack, source_branch)
403
fetch_spec_factory.source_branch = source_branch
404
# if a stacked branch wasn't requested, we don't create one
405
# even if the origin was stacked
406
if stacked and source_branch is not None:
407
stacked_branch_url = self.root_transport.base
409
stacked_branch_url = None
410
repository_policy = result.determine_repository_policy(
411
force_new_repo, stacked_branch_url, require_stacking=stacked)
412
result_repo, is_new_repo = repository_policy.acquire_repository(
413
possible_transports=possible_transports)
414
stack.enter_context(result_repo.lock_write())
415
fetch_spec_factory.source_repo = source_repository
416
fetch_spec_factory.target_repo = result_repo
417
if stacked or (len(result_repo._fallback_repositories) != 0):
418
target_repo_kind = fetch.TargetRepoKinds.STACKED
420
target_repo_kind = fetch.TargetRepoKinds.EMPTY
422
target_repo_kind = fetch.TargetRepoKinds.PREEXISTING
423
fetch_spec_factory.target_repo_kind = target_repo_kind
424
if source_repository is not None:
425
fetch_spec = fetch_spec_factory.make_fetch_spec()
426
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
428
if source_branch is None:
429
# this is for sprouting a controldir without a branch; is that
431
# Not especially, but it's part of the contract.
432
result_branch = result.create_branch()
433
if revision_id is not None:
434
result_branch.generate_revision_history(revision_id)
436
result_branch = source_branch.sprout(
437
result, revision_id=revision_id,
438
repository_policy=repository_policy, repository=result_repo)
439
mutter("created new branch %r" % (result_branch,))
441
# Create/update the result working tree
442
if (create_tree_if_local and not result.has_workingtree()
443
and isinstance(target_transport, local.LocalTransport)
444
and (result_repo is None or result_repo.make_working_trees())
445
and result.open_branch(
447
possible_transports=possible_transports).name == result_branch.name):
448
wt = result.create_workingtree(
449
accelerator_tree=accelerator_tree, hardlink=hardlink,
450
from_branch=result_branch)
451
with wt.lock_write():
452
if not wt.is_versioned(''):
454
wt.set_root_id(self.open_workingtree.path2id(''))
455
except errors.NoWorkingTree:
459
if recurse == 'down':
463
basis = tree.basis_tree()
464
stack.enter_context(basis.lock_read())
465
elif result_branch is not None:
466
basis = tree = result_branch.basis_tree()
467
elif source_branch is not None:
468
basis = tree = source_branch.basis_tree()
470
stack.enter_context(tree.lock_read())
471
subtrees = tree.iter_references()
474
for path in subtrees:
475
target = urlutils.join(url, urlutils.escape(path))
476
sublocation = tree.reference_parent(
477
path, branch=result_branch,
478
possible_transports=possible_transports)
479
if sublocation is None:
481
'Ignoring nested tree %s, parent location unknown.',
484
sublocation.controldir.sprout(
485
target, basis.get_reference_revision(path),
486
force_new_repo=force_new_repo, recurse=recurse,
490
def _available_backup_name(self, base):
491
"""Find a non-existing backup file name based on base.
493
See breezy.osutils.available_backup_name about race conditions.
495
return osutils.available_backup_name(base, self.root_transport.has)
616
raise NotImplementedError(self.create_workingtree)
497
618
def backup_bzrdir(self):
498
619
"""Backup this bzr control directory.
500
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)
503
with ui.ui_factory.nested_progress_bar():
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.
504
638
old_path = self.root_transport.abspath('.bzr')
505
backup_dir = self._available_backup_name('backup.bzr')
506
639
new_path = self.root_transport.abspath(backup_dir)
508
gettext('making backup of {0}\n to {1}').format(
509
urlutils.unescape_for_display(old_path, 'utf-8'),
510
urlutils.unescape_for_display(new_path, 'utf-8')))
640
ui.ui_factory.note('making backup of %s\n to %s' % (old_path, new_path,))
511
641
self.root_transport.copy_tree('.bzr', backup_dir)
512
642
return (old_path, new_path)
514
646
def retire_bzrdir(self, limit=10000):
515
647
"""Permanently disable the bzrdir.
652
852
:param _transport: the transport this dir is based at.
654
854
self._format = _format
655
# these are also under the more standard names of
855
# these are also under the more standard names of
656
856
# control_transport and user_transport
657
857
self.transport = _transport.clone('.bzr')
658
858
self.root_transport = _transport
659
859
self._mode_check_done = False
662
862
def user_transport(self):
663
863
return self.root_transport
666
866
def control_transport(self):
667
867
return self.transport
869
def is_control_filename(self, filename):
870
"""True if filename is the name of a path which is reserved for bzrdir's.
872
:param filename: A filename within the root transport of this bzrdir.
874
This is true IF and ONLY IF the filename is part of the namespace reserved
875
for bzr control dirs. Currently this is the '.bzr' directory in the root
876
of the root_transport. it is expected that plugins will need to extend
877
this in the future - for instance to make bzr talk with svn working
880
# this might be better on the BzrDirFormat class because it refers to
881
# all the possible bzrdir disk formats.
882
# This method is tested via the workingtree is_control_filename tests-
883
# it was extracted from WorkingTree.is_control_filename. If the method's
884
# contract is extended beyond the current trivial implementation, please
885
# add new tests for it to the appropriate place.
886
return filename == '.bzr' or filename.startswith('.bzr/')
888
def needs_format_conversion(self, format=None):
889
"""Return true if this bzrdir needs convert_format run on it.
891
For instance, if the repository format is out of date but the
892
branch and working tree are not, this should return True.
894
:param format: Optional parameter indicating a specific desired
895
format we plan to arrive at.
897
raise NotImplementedError(self.needs_format_conversion)
900
def open_unsupported(base):
901
"""Open a branch which is not supported."""
902
return BzrDir.open(base, _unsupported=True)
905
def open(base, _unsupported=False, possible_transports=None):
906
"""Open an existing bzrdir, rooted at 'base' (url).
908
:param _unsupported: a private parameter to the BzrDir class.
910
t = get_transport(base, possible_transports=possible_transports)
911
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
914
def open_from_transport(transport, _unsupported=False,
915
_server_formats=True):
916
"""Open a bzrdir within a particular directory.
918
:param transport: Transport containing the bzrdir.
919
:param _unsupported: private.
921
for hook in BzrDir.hooks['pre_open']:
923
# Keep initial base since 'transport' may be modified while following
925
base = transport.base
926
def find_format(transport):
927
return transport, BzrDirFormat.find_format(
928
transport, _server_formats=_server_formats)
930
def redirected(transport, e, redirection_notice):
931
redirected_transport = transport._redirected_to(e.source, e.target)
932
if redirected_transport is None:
933
raise errors.NotBranchError(base)
934
note('%s is%s redirected to %s',
935
transport.base, e.permanently, redirected_transport.base)
936
return redirected_transport
939
transport, format = do_catching_redirections(find_format,
942
except errors.TooManyRedirections:
943
raise errors.NotBranchError(base)
945
BzrDir._check_supported(format, _unsupported)
946
return format.open(transport, _found=True)
948
def open_branch(self, name=None, unsupported=False,
949
ignore_fallbacks=False):
950
"""Open the branch object at this BzrDir if one is present.
952
If unsupported is True, then no longer supported branch formats can
955
TODO: static convenience version of this?
957
raise NotImplementedError(self.open_branch)
960
def open_containing(url, possible_transports=None):
961
"""Open an existing branch which contains url.
963
:param url: url to search from.
964
See open_containing_from_transport for more detail.
966
transport = get_transport(url, possible_transports)
967
return BzrDir.open_containing_from_transport(transport)
970
def open_containing_from_transport(a_transport):
971
"""Open an existing branch which contains a_transport.base.
973
This probes for a branch at a_transport, and searches upwards from there.
975
Basically we keep looking up until we find the control directory or
976
run into the root. If there isn't one, raises NotBranchError.
977
If there is one and it is either an unrecognised format or an unsupported
978
format, UnknownFormatError or UnsupportedFormatError are raised.
979
If there is one, it is returned, along with the unused portion of url.
981
:return: The BzrDir that contains the path, and a Unicode path
982
for the rest of the URL.
984
# this gets the normalised url back. I.e. '.' -> the full path.
985
url = a_transport.base
988
result = BzrDir.open_from_transport(a_transport)
989
return result, urlutils.unescape(a_transport.relpath(url))
990
except errors.NotBranchError, e:
993
new_t = a_transport.clone('..')
994
except errors.InvalidURLJoin:
995
# reached the root, whatever that may be
996
raise errors.NotBranchError(path=url)
997
if new_t.base == a_transport.base:
998
# reached the root, whatever that may be
999
raise errors.NotBranchError(path=url)
1002
def _get_tree_branch(self, name=None):
1003
"""Return the branch and tree, if any, for this bzrdir.
1005
:param name: Name of colocated branch to open.
1007
Return None for tree if not present or inaccessible.
1008
Raise NotBranchError if no branch is present.
1009
:return: (tree, branch)
1012
tree = self.open_workingtree()
1013
except (errors.NoWorkingTree, errors.NotLocalUrl):
1015
branch = self.open_branch(name=name)
1017
if name is not None:
1018
branch = self.open_branch(name=name)
1020
branch = tree.branch
1024
def open_tree_or_branch(klass, location):
1025
"""Return the branch and working tree at a location.
1027
If there is no tree at the location, tree will be None.
1028
If there is no branch at the location, an exception will be
1030
:return: (tree, branch)
1032
bzrdir = klass.open(location)
1033
return bzrdir._get_tree_branch()
1036
def open_containing_tree_or_branch(klass, location):
1037
"""Return the branch and working tree contained by a location.
1039
Returns (tree, branch, relpath).
1040
If there is no tree at containing the location, tree will be None.
1041
If there is no branch containing the location, an exception will be
1043
relpath is the portion of the path that is contained by the branch.
1045
bzrdir, relpath = klass.open_containing(location)
1046
tree, branch = bzrdir._get_tree_branch()
1047
return tree, branch, relpath
1050
def open_containing_tree_branch_or_repository(klass, location):
1051
"""Return the working tree, branch and repo contained by a location.
1053
Returns (tree, branch, repository, relpath).
1054
If there is no tree containing the location, tree will be None.
1055
If there is no branch containing the location, branch will be None.
1056
If there is no repository containing the location, repository will be
1058
relpath is the portion of the path that is contained by the innermost
1061
If no tree, branch or repository is found, a NotBranchError is raised.
1063
bzrdir, relpath = klass.open_containing(location)
1065
tree, branch = bzrdir._get_tree_branch()
1066
except errors.NotBranchError:
1068
repo = bzrdir.find_repository()
1069
return None, None, repo, relpath
1070
except (errors.NoRepositoryPresent):
1071
raise errors.NotBranchError(location)
1072
return tree, branch, branch.repository, relpath
1074
def open_repository(self, _unsupported=False):
1075
"""Open the repository object at this BzrDir if one is present.
1077
This will not follow the Branch object pointer - it's strictly a direct
1078
open facility. Most client code should use open_branch().repository to
1079
get at a repository.
1081
:param _unsupported: a private parameter, not part of the api.
1082
TODO: static convenience version of this?
1084
raise NotImplementedError(self.open_repository)
1086
def open_workingtree(self, _unsupported=False,
1087
recommend_upgrade=True, from_branch=None):
1088
"""Open the workingtree object at this BzrDir if one is present.
1090
:param recommend_upgrade: Optional keyword parameter, when True (the
1091
default), emit through the ui module a recommendation that the user
1092
upgrade the working tree when the workingtree being opened is old
1093
(but still fully supported).
1094
:param from_branch: override bzrdir branch (for lightweight checkouts)
1096
raise NotImplementedError(self.open_workingtree)
1098
def has_branch(self, name=None):
1099
"""Tell if this bzrdir contains a branch.
1101
Note: if you're going to open the branch, you should just go ahead
1102
and try, and not ask permission first. (This method just opens the
1103
branch and discards it, and that's somewhat expensive.)
1106
self.open_branch(name)
1108
except errors.NotBranchError:
1111
def has_workingtree(self):
1112
"""Tell if this bzrdir contains a working tree.
1114
This will still raise an exception if the bzrdir has a workingtree that
1115
is remote & inaccessible.
1117
Note: if you're going to open the working tree, you should just go ahead
1118
and try, and not ask permission first. (This method just opens the
1119
workingtree and discards it, and that's somewhat expensive.)
1122
self.open_workingtree(recommend_upgrade=False)
1124
except errors.NoWorkingTree:
669
1127
def _cloning_metadir(self):
670
1128
"""Produce a metadir suitable for cloning with.
723
1182
# We have a repository, so set a working tree? (Why? This seems to
724
1183
# contradict the stated return value in the docstring).
726
repository._format._matchingcontroldir.workingtree_format)
1184
tree_format = repository._format._matchingbzrdir.workingtree_format
727
1185
format.workingtree_format = tree_format.__class__()
728
1186
if require_stacking:
729
1187
format.require_stacking()
1190
def checkout_metadir(self):
1191
return self.cloning_metadir()
1193
def sprout(self, url, revision_id=None, force_new_repo=False,
1194
recurse='down', possible_transports=None,
1195
accelerator_tree=None, hardlink=False, stacked=False,
1196
source_branch=None, create_tree_if_local=True):
1197
"""Create a copy of this bzrdir prepared for use as a new line of
1200
If url's last component does not exist, it will be created.
1202
Attributes related to the identity of the source branch like
1203
branch nickname will be cleaned, a working tree is created
1204
whether one existed before or not; and a local branch is always
1207
if revision_id is not None, then the clone operation may tune
1208
itself to download less data.
1209
:param accelerator_tree: A tree which can be used for retrieving file
1210
contents more quickly than the revision tree, i.e. a workingtree.
1211
The revision tree will be used for cases where accelerator_tree's
1212
content is different.
1213
:param hardlink: If true, hard-link files from accelerator_tree,
1215
:param stacked: If true, create a stacked branch referring to the
1216
location of this control directory.
1217
:param create_tree_if_local: If true, a working-tree will be created
1218
when working locally.
1220
target_transport = get_transport(url, possible_transports)
1221
target_transport.ensure_base()
1222
cloning_format = self.cloning_metadir(stacked)
1223
# Create/update the result branch
1224
result = cloning_format.initialize_on_transport(target_transport)
1225
# if a stacked branch wasn't requested, we don't create one
1226
# even if the origin was stacked
1227
stacked_branch_url = None
1228
if source_branch is not None:
1230
stacked_branch_url = self.root_transport.base
1231
source_repository = source_branch.repository
1234
source_branch = self.open_branch()
1235
source_repository = source_branch.repository
1237
stacked_branch_url = self.root_transport.base
1238
except errors.NotBranchError:
1239
source_branch = None
1241
source_repository = self.open_repository()
1242
except errors.NoRepositoryPresent:
1243
source_repository = None
1244
repository_policy = result.determine_repository_policy(
1245
force_new_repo, stacked_branch_url, require_stacking=stacked)
1246
result_repo, is_new_repo = repository_policy.acquire_repository()
1247
is_stacked = stacked or (len(result_repo._fallback_repositories) != 0)
1248
if is_new_repo and revision_id is not None and not is_stacked:
1249
fetch_spec = graph.PendingAncestryResult(
1250
[revision_id], source_repository)
1253
if source_repository is not None:
1254
# Fetch while stacked to prevent unstacked fetch from
1256
if fetch_spec is None:
1257
result_repo.fetch(source_repository, revision_id=revision_id)
1259
result_repo.fetch(source_repository, fetch_spec=fetch_spec)
1261
if source_branch is None:
1262
# this is for sprouting a bzrdir without a branch; is that
1264
# Not especially, but it's part of the contract.
1265
result_branch = result.create_branch()
1267
result_branch = source_branch.sprout(result,
1268
revision_id=revision_id, repository_policy=repository_policy)
1269
mutter("created new branch %r" % (result_branch,))
1271
# Create/update the result working tree
1272
if (create_tree_if_local and
1273
isinstance(target_transport, local.LocalTransport) and
1274
(result_repo is None or result_repo.make_working_trees())):
1275
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1279
if wt.path2id('') is None:
1281
wt.set_root_id(self.open_workingtree.get_root_id())
1282
except errors.NoWorkingTree:
1288
if recurse == 'down':
1290
basis = wt.basis_tree()
1292
subtrees = basis.iter_references()
1293
elif result_branch is not None:
1294
basis = result_branch.basis_tree()
1296
subtrees = basis.iter_references()
1297
elif source_branch is not None:
1298
basis = source_branch.basis_tree()
1300
subtrees = basis.iter_references()
1305
for path, file_id in subtrees:
1306
target = urlutils.join(url, urlutils.escape(path))
1307
sublocation = source_branch.reference_parent(file_id, path)
1308
sublocation.bzrdir.sprout(target,
1309
basis.get_reference_revision(file_id, path),
1310
force_new_repo=force_new_repo, recurse=recurse,
1313
if basis is not None:
1317
def push_branch(self, source, revision_id=None, overwrite=False,
1318
remember=False, create_prefix=False):
1319
"""Push the source branch into this BzrDir."""
1321
# If we can open a branch, use its direct repository, otherwise see
1322
# if there is a repository without a branch.
1324
br_to = self.open_branch()
1325
except errors.NotBranchError:
1326
# Didn't find a branch, can we find a repository?
1327
repository_to = self.find_repository()
1329
# Found a branch, so we must have found a repository
1330
repository_to = br_to.repository
1332
push_result = PushResult()
1333
push_result.source_branch = source
1335
# We have a repository but no branch, copy the revisions, and then
1337
repository_to.fetch(source.repository, revision_id=revision_id)
1338
br_to = source.clone(self, revision_id=revision_id)
1339
if source.get_push_location() is None or remember:
1340
source.set_push_location(br_to.base)
1341
push_result.stacked_on = None
1342
push_result.branch_push_result = None
1343
push_result.old_revno = None
1344
push_result.old_revid = _mod_revision.NULL_REVISION
1345
push_result.target_branch = br_to
1346
push_result.master_branch = None
1347
push_result.workingtree_updated = False
1349
# We have successfully opened the branch, remember if necessary:
1350
if source.get_push_location() is None or remember:
1351
source.set_push_location(br_to.base)
1353
tree_to = self.open_workingtree()
1354
except errors.NotLocalUrl:
1355
push_result.branch_push_result = source.push(br_to,
1356
overwrite, stop_revision=revision_id)
1357
push_result.workingtree_updated = False
1358
except errors.NoWorkingTree:
1359
push_result.branch_push_result = source.push(br_to,
1360
overwrite, stop_revision=revision_id)
1361
push_result.workingtree_updated = None # Not applicable
1363
tree_to.lock_write()
1365
push_result.branch_push_result = source.push(
1366
tree_to.branch, overwrite, stop_revision=revision_id)
1370
push_result.workingtree_updated = True
1371
push_result.old_revno = push_result.branch_push_result.old_revno
1372
push_result.old_revid = push_result.branch_push_result.old_revid
1373
push_result.target_branch = \
1374
push_result.branch_push_result.target_branch
1378
class BzrDirHooks(hooks.Hooks):
1379
"""Hooks for BzrDir operations."""
1382
"""Create the default hooks."""
1383
hooks.Hooks.__init__(self)
1384
self.create_hook(hooks.HookPoint('pre_open',
1385
"Invoked before attempting to open a BzrDir with the transport "
1386
"that the open will use.", (1, 14), None))
1387
self.create_hook(hooks.HookPoint('post_repo_init',
1388
"Invoked after a repository has been initialized. "
1389
"post_repo_init is called with a "
1390
"bzrlib.bzrdir.RepoInitHookParams.",
1393
# install the default hooks
1394
BzrDir.hooks = BzrDirHooks()
1397
class RepoInitHookParams(object):
1398
"""Object holding parameters passed to *_repo_init hooks.
1400
There are 4 fields that hooks may wish to access:
1402
:ivar repository: Repository created
1403
:ivar format: Repository format
1404
:ivar bzrdir: The bzrdir for the repository
1405
:ivar shared: The repository is shared
1408
def __init__(self, repository, format, a_bzrdir, shared):
1409
"""Create a group of RepoInitHook parameters.
1411
:param repository: Repository created
1412
:param format: Repository format
1413
:param bzrdir: The bzrdir for the repository
1414
:param shared: The repository is shared
1416
self.repository = repository
1417
self.format = format
1418
self.bzrdir = a_bzrdir
1419
self.shared = shared
1421
def __eq__(self, other):
1422
return self.__dict__ == other.__dict__
1426
return "<%s for %s>" % (self.__class__.__name__,
1429
return "<%s for %s>" % (self.__class__.__name__,
1433
class BzrDirPreSplitOut(BzrDir):
1434
"""A common class for the all-in-one formats."""
1436
def __init__(self, _transport, _format):
1437
"""See BzrDir.__init__."""
1438
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1439
self._control_files = lockable_files.LockableFiles(
1440
self.get_branch_transport(None),
1441
self._format._lock_file_name,
1442
self._format._lock_class)
1444
def break_lock(self):
1445
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1446
raise NotImplementedError(self.break_lock)
1448
def cloning_metadir(self, require_stacking=False):
1449
"""Produce a metadir suitable for cloning with."""
1450
if require_stacking:
1451
return format_registry.make_bzrdir('1.6')
1452
return self._format.__class__()
1454
def clone(self, url, revision_id=None, force_new_repo=False,
1455
preserve_stacking=False):
1456
"""See BzrDir.clone().
1458
force_new_repo has no effect, since this family of formats always
1459
require a new repository.
1460
preserve_stacking has no effect, since no source branch using this
1461
family of formats can be stacked, so there is no stacking to preserve.
1463
self._make_tail(url)
1464
result = self._format._initialize_for_clone(url)
1465
self.open_repository().clone(result, revision_id=revision_id)
1466
from_branch = self.open_branch()
1467
from_branch.clone(result, revision_id=revision_id)
1469
tree = self.open_workingtree()
1470
except errors.NotLocalUrl:
1471
# make a new one, this format always has to have one.
1472
result._init_workingtree()
1477
def create_branch(self, name=None):
1478
"""See BzrDir.create_branch."""
1479
return self._format.get_branch_format().initialize(self, name=name)
1481
def destroy_branch(self, name=None):
1482
"""See BzrDir.destroy_branch."""
1483
raise errors.UnsupportedOperation(self.destroy_branch, self)
1485
def create_repository(self, shared=False):
1486
"""See BzrDir.create_repository."""
1488
raise errors.IncompatibleFormat('shared repository', self._format)
1489
return self.open_repository()
1491
def destroy_repository(self):
1492
"""See BzrDir.destroy_repository."""
1493
raise errors.UnsupportedOperation(self.destroy_repository, self)
1495
def create_workingtree(self, revision_id=None, from_branch=None,
1496
accelerator_tree=None, hardlink=False):
1497
"""See BzrDir.create_workingtree."""
1498
# The workingtree is sometimes created when the bzrdir is created,
1499
# but not when cloning.
1501
# this looks buggy but is not -really-
1502
# because this format creates the workingtree when the bzrdir is
1504
# clone and sprout will have set the revision_id
1505
# and that will have set it for us, its only
1506
# specific uses of create_workingtree in isolation
1507
# that can do wonky stuff here, and that only
1508
# happens for creating checkouts, which cannot be
1509
# done on this format anyway. So - acceptable wart.
1511
warning("can't support hardlinked working trees in %r"
1514
result = self.open_workingtree(recommend_upgrade=False)
1515
except errors.NoSuchFile:
1516
result = self._init_workingtree()
1517
if revision_id is not None:
1518
if revision_id == _mod_revision.NULL_REVISION:
1519
result.set_parent_ids([])
1521
result.set_parent_ids([revision_id])
1524
def _init_workingtree(self):
1525
from bzrlib.workingtree import WorkingTreeFormat2
1527
return WorkingTreeFormat2().initialize(self)
1528
except errors.NotLocalUrl:
1529
# Even though we can't access the working tree, we need to
1530
# create its control files.
1531
return WorkingTreeFormat2()._stub_initialize_on_transport(
1532
self.transport, self._control_files._file_mode)
1534
def destroy_workingtree(self):
1535
"""See BzrDir.destroy_workingtree."""
1536
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1538
def destroy_workingtree_metadata(self):
1539
"""See BzrDir.destroy_workingtree_metadata."""
1540
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
732
1543
def get_branch_transport(self, branch_format, name=None):
733
"""Get the transport for use by branch format in this BzrDir.
735
Note that bzr dirs that do not support format strings will raise
736
IncompatibleFormat if the branch format they are given has
737
a format string, and vice versa.
739
If branch_format is None, the transport is returned with no
740
checking. If it is not None, then the returned transport is
741
guaranteed to point to an existing directory ready for use.
743
raise NotImplementedError(self.get_branch_transport)
1544
"""See BzrDir.get_branch_transport()."""
1545
if name is not None:
1546
raise errors.NoColocatedBranchSupport(self)
1547
if branch_format is None:
1548
return self.transport
1550
branch_format.get_format_string()
1551
except NotImplementedError:
1552
return self.transport
1553
raise errors.IncompatibleFormat(branch_format, self._format)
745
1555
def get_repository_transport(self, repository_format):
746
"""Get the transport for use by repository format in this BzrDir.
748
Note that bzr dirs that do not support format strings will raise
749
IncompatibleFormat if the repository format they are given has
750
a format string, and vice versa.
752
If repository_format is None, the transport is returned with no
753
checking. If it is not None, then the returned transport is
754
guaranteed to point to an existing directory ready for use.
756
raise NotImplementedError(self.get_repository_transport)
758
def get_workingtree_transport(self, tree_format):
759
"""Get the transport for use by workingtree format in this BzrDir.
761
Note that bzr dirs that do not support format strings will raise
762
IncompatibleFormat if the workingtree format they are given has a
763
format string, and vice versa.
765
If workingtree_format is None, the transport is returned with no
766
checking. If it is not None, then the returned transport is
767
guaranteed to point to an existing directory ready for use.
769
raise NotImplementedError(self.get_workingtree_transport)
772
def create(cls, base, format=None, possible_transports=None):
773
"""Create a new BzrDir at the url 'base'.
775
:param format: If supplied, the format of branch to create. If not
776
supplied, the default is used.
777
:param possible_transports: If supplied, a list of transports that
778
can be reused to share a remote connection.
780
if cls is not BzrDir:
781
raise AssertionError("BzrDir.create always creates the "
782
"default format, not one of %r" % cls)
783
return controldir.ControlDir.create(
784
base, format=format, possible_transports=possible_transports)
787
return "<%s at %r>" % (self.__class__.__name__, self.user_url)
789
def update_feature_flags(self, updated_flags):
790
"""Update the features required by this bzrdir.
792
:param updated_flags: Dictionary mapping feature names to necessities
793
A necessity can be None to indicate the feature should be removed
795
self.control_files.lock_write()
797
self._format._update_feature_flags(updated_flags)
798
self.transport.put_bytes('branch-format', self._format.as_string())
800
self.control_files.unlock()
1556
"""See BzrDir.get_repository_transport()."""
1557
if repository_format is None:
1558
return self.transport
1560
repository_format.get_format_string()
1561
except NotImplementedError:
1562
return self.transport
1563
raise errors.IncompatibleFormat(repository_format, self._format)
1565
def get_workingtree_transport(self, workingtree_format):
1566
"""See BzrDir.get_workingtree_transport()."""
1567
if workingtree_format is None:
1568
return self.transport
1570
workingtree_format.get_format_string()
1571
except NotImplementedError:
1572
return self.transport
1573
raise errors.IncompatibleFormat(workingtree_format, self._format)
1575
def needs_format_conversion(self, format=None):
1576
"""See BzrDir.needs_format_conversion()."""
1577
# if the format is not the same as the system default,
1578
# an upgrade is needed.
1580
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1581
% 'needs_format_conversion(format=None)')
1582
format = BzrDirFormat.get_default_format()
1583
return not isinstance(self._format, format.__class__)
1585
def open_branch(self, name=None, unsupported=False,
1586
ignore_fallbacks=False):
1587
"""See BzrDir.open_branch."""
1588
from bzrlib.branch import BzrBranchFormat4
1589
format = BzrBranchFormat4()
1590
self._check_supported(format, unsupported)
1591
return format.open(self, name, _found=True)
1593
def sprout(self, url, revision_id=None, force_new_repo=False,
1594
possible_transports=None, accelerator_tree=None,
1595
hardlink=False, stacked=False, create_tree_if_local=True,
1596
source_branch=None):
1597
"""See BzrDir.sprout()."""
1598
if source_branch is not None:
1599
my_branch = self.open_branch()
1600
if source_branch.base != my_branch.base:
1601
raise AssertionError(
1602
"source branch %r is not within %r with branch %r" %
1603
(source_branch, self, my_branch))
1605
raise errors.UnstackableBranchFormat(
1606
self._format, self.root_transport.base)
1607
if not create_tree_if_local:
1608
raise errors.MustHaveWorkingTree(
1609
self._format, self.root_transport.base)
1610
from bzrlib.workingtree import WorkingTreeFormat2
1611
self._make_tail(url)
1612
result = self._format._initialize_for_clone(url)
1614
self.open_repository().clone(result, revision_id=revision_id)
1615
except errors.NoRepositoryPresent:
1618
self.open_branch().sprout(result, revision_id=revision_id)
1619
except errors.NotBranchError:
1622
# we always want a working tree
1623
WorkingTreeFormat2().initialize(result,
1624
accelerator_tree=accelerator_tree,
1629
class BzrDir4(BzrDirPreSplitOut):
1630
"""A .bzr version 4 control object.
1632
This is a deprecated format and may be removed after sept 2006.
1635
def create_repository(self, shared=False):
1636
"""See BzrDir.create_repository."""
1637
return self._format.repository_format.initialize(self, shared)
1639
def needs_format_conversion(self, format=None):
1640
"""Format 4 dirs are always in need of conversion."""
1642
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1643
% 'needs_format_conversion(format=None)')
1646
def open_repository(self):
1647
"""See BzrDir.open_repository."""
1648
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1649
return RepositoryFormat4().open(self, _found=True)
1652
class BzrDir5(BzrDirPreSplitOut):
1653
"""A .bzr version 5 control object.
1655
This is a deprecated format and may be removed after sept 2006.
1658
def has_workingtree(self):
1659
"""See BzrDir.has_workingtree."""
1662
def open_repository(self):
1663
"""See BzrDir.open_repository."""
1664
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1665
return RepositoryFormat5().open(self, _found=True)
1667
def open_workingtree(self, _unsupported=False,
1668
recommend_upgrade=True):
1669
"""See BzrDir.create_workingtree."""
1670
from bzrlib.workingtree import WorkingTreeFormat2
1671
wt_format = WorkingTreeFormat2()
1672
# we don't warn here about upgrades; that ought to be handled for the
1674
return wt_format.open(self, _found=True)
1677
class BzrDir6(BzrDirPreSplitOut):
1678
"""A .bzr version 6 control object.
1680
This is a deprecated format and may be removed after sept 2006.
1683
def has_workingtree(self):
1684
"""See BzrDir.has_workingtree."""
1687
def open_repository(self):
1688
"""See BzrDir.open_repository."""
1689
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1690
return RepositoryFormat6().open(self, _found=True)
1692
def open_workingtree(self, _unsupported=False,
1693
recommend_upgrade=True):
1694
"""See BzrDir.create_workingtree."""
1695
# we don't warn here about upgrades; that ought to be handled for the
1697
from bzrlib.workingtree import WorkingTreeFormat2
1698
return WorkingTreeFormat2().open(self, _found=True)
803
1701
class BzrDirMeta1(BzrDir):
1087
1865
def open_branch(self, name=None, unsupported=False,
1088
ignore_fallbacks=False, possible_transports=None):
1089
"""See ControlDir.open_branch."""
1091
name = self._get_selected_branch()
1866
ignore_fallbacks=False):
1867
"""See BzrDir.open_branch."""
1092
1868
format = self.find_branch_format(name=name)
1093
format.check_support_status(unsupported)
1094
if possible_transports is None:
1095
possible_transports = []
1097
possible_transports = list(possible_transports)
1098
possible_transports.append(self.root_transport)
1869
self._check_supported(format, unsupported)
1099
1870
return format.open(self, name=name,
1100
_found=True, ignore_fallbacks=ignore_fallbacks,
1101
possible_transports=possible_transports)
1871
_found=True, ignore_fallbacks=ignore_fallbacks)
1103
1873
def open_repository(self, unsupported=False):
1104
1874
"""See BzrDir.open_repository."""
1105
from .repository import RepositoryFormatMetaDir
1106
format = RepositoryFormatMetaDir.find_format(self)
1107
format.check_support_status(unsupported)
1875
from bzrlib.repository import RepositoryFormat
1876
format = RepositoryFormat.find_format(self)
1877
self._check_supported(format, unsupported)
1108
1878
return format.open(self, _found=True)
1110
1880
def open_workingtree(self, unsupported=False,
1111
recommend_upgrade=True):
1881
recommend_upgrade=True):
1112
1882
"""See BzrDir.open_workingtree."""
1113
from .workingtree import WorkingTreeFormatMetaDir
1114
format = WorkingTreeFormatMetaDir.find_format(self)
1115
format.check_support_status(unsupported, recommend_upgrade,
1116
basedir=self.root_transport.base)
1883
from bzrlib.workingtree import WorkingTreeFormat
1884
format = WorkingTreeFormat.find_format(self)
1885
self._check_supported(format, unsupported,
1887
basedir=self.root_transport.base)
1117
1888
return format.open(self, _found=True)
1119
1890
def _get_config(self):
1120
1891
return config.TransportConfig(self.transport, 'control.conf')
1123
class BzrFormat(object):
1124
"""Base class for all formats of things living in metadirs.
1126
This class manages the format string that is stored in the 'format'
1127
or 'branch-format' file.
1129
All classes for (branch-, repository-, workingtree-) formats that
1130
live in meta directories and have their own 'format' file
1131
(i.e. different from .bzr/branch-format) derive from this class,
1132
as well as the relevant base class for their kind
1133
(BranchFormat, WorkingTreeFormat, RepositoryFormat).
1135
Each format is identified by a "format" or "branch-format" file with a
1136
single line containing the base format name and then an optional list of
1139
Feature flags are supported as of bzr 2.5. Setting feature flags on formats
1140
will render them inaccessible to older versions of bzr.
1142
:ivar features: Dictionary mapping feature names to their necessity
1145
_present_features = set()
1151
def register_feature(cls, name):
1152
"""Register a feature as being present.
1154
:param name: Name of the feature
1157
raise ValueError("spaces are not allowed in feature names")
1158
if name in cls._present_features:
1159
raise FeatureAlreadyRegistered(name)
1160
cls._present_features.add(name)
1163
def unregister_feature(cls, name):
1164
"""Unregister a feature."""
1165
cls._present_features.remove(name)
1167
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1169
for name, necessity in self.features.items():
1170
if name in self._present_features:
1172
if necessity == b"optional":
1173
mutter("ignoring optional missing feature %s", name)
1175
elif necessity == b"required":
1176
raise MissingFeature(name)
1178
mutter("treating unknown necessity as require for %s",
1180
raise MissingFeature(name)
1183
def get_format_string(cls):
1184
"""Return the ASCII format string that identifies this format."""
1185
raise NotImplementedError(cls.get_format_string)
1188
def from_string(cls, text):
1189
format_string = cls.get_format_string()
1190
if not text.startswith(format_string):
1191
raise AssertionError(
1192
"Invalid format header %r for %r" % (text, cls))
1193
lines = text[len(format_string):].splitlines()
1195
for lineno, line in enumerate(lines):
1197
(necessity, feature) = line.split(b" ", 1)
1199
raise errors.ParseFormatError(format=cls, lineno=lineno + 2,
1200
line=line, text=text)
1201
ret.features[feature] = necessity
1204
def as_string(self):
1205
"""Return the string representation of this format.
1207
lines = [self.get_format_string()]
1208
lines.extend([(item[1] + b" " + item[0] + b"\n")
1209
for item in sorted(self.features.items())])
1210
return b"".join(lines)
1213
def _find_format(klass, registry, kind, format_string):
1215
first_line = format_string[:format_string.index(b"\n") + 1]
1217
first_line = format_string
1219
cls = registry.get(first_line)
1221
raise errors.UnknownFormatError(format=first_line, kind=kind)
1222
return cls.from_string(format_string)
1224
def network_name(self):
1225
"""A simple byte string uniquely identifying this format for RPC calls.
1227
Metadir branch formats use their format string.
1229
return self.as_string()
1231
def __eq__(self, other):
1232
return (self.__class__ is other.__class__
1233
and self.features == other.features)
1235
def _update_feature_flags(self, updated_flags):
1236
"""Update the feature flags in this format.
1238
:param updated_flags: Updated feature flags
1240
for name, necessity in updated_flags.items():
1241
if necessity is None:
1243
del self.features[name]
1247
self.features[name] = necessity
1250
class BzrDirFormat(BzrFormat, controldir.ControlDirFormat):
1251
"""ControlDirFormat base class for .bzr/ directories.
1894
class BzrDirFormat(object):
1895
"""An encapsulation of the initialization and open routines for a format.
1897
Formats provide three things:
1898
* An initialization routine,
1253
1902
Formats are placed in a dict by their format string for reference
1254
1903
during bzrdir opening. These should be subclasses of BzrDirFormat
1461
2271
compatible with whatever sub formats are supported by self.
1464
other_format.features = dict(self.features)
1466
def supports_transport(self, transport):
1467
# bzr formats can be opened over all known transports
1470
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1472
controldir.ControlDirFormat.check_support_status(self,
1473
allow_unsupported=allow_unsupported, recommend_upgrade=recommend_upgrade,
1475
BzrFormat.check_support_status(self, allow_unsupported=allow_unsupported,
1476
recommend_upgrade=recommend_upgrade, basedir=basedir)
1479
def is_control_filename(klass, filename):
1480
"""True if filename is the name of a path which is reserved for bzrdir's.
1482
:param filename: A filename within the root transport of this bzrdir.
1484
This is true IF and ONLY IF the filename is part of the namespace
1485
reserved for bzr control dirs. Currently this is the '.bzr' directory
1486
in the root of the root_transport.
1488
# this might be better on the BzrDirFormat class because it refers to
1489
# all the possible bzrdir disk formats.
1490
# This method is tested via the workingtree is_control_filename tests-
1491
# it was extracted from WorkingTree.is_control_filename. If the
1492
# method's contract is extended beyond the current trivial
1493
# implementation, please add new tests for it to the appropriate place.
1494
return filename == '.bzr' or filename.startswith('.bzr/')
1497
def get_default_format(klass):
1498
"""Return the current default format."""
1499
return controldir.format_registry.get('bzr')()
2276
def unregister_format(klass, format):
2277
del klass._formats[format.get_format_string()]
2280
def unregister_control_format(klass, format):
2281
klass._control_formats.remove(format)
2284
class BzrDirFormat4(BzrDirFormat):
2285
"""Bzr dir format 4.
2287
This format is a combined format for working tree, branch and repository.
2289
- Format 1 working trees [always]
2290
- Format 4 branches [always]
2291
- Format 4 repositories [always]
2293
This format is deprecated: it indexes texts using a text it which is
2294
removed in format 5; write support for this format has been removed.
2297
_lock_class = lockable_files.TransportLock
2299
def get_format_string(self):
2300
"""See BzrDirFormat.get_format_string()."""
2301
return "Bazaar-NG branch, format 0.0.4\n"
2303
def get_format_description(self):
2304
"""See BzrDirFormat.get_format_description()."""
2305
return "All-in-one format 4"
2307
def get_converter(self, format=None):
2308
"""See BzrDirFormat.get_converter()."""
2309
# there is one and only one upgrade path here.
2310
return ConvertBzrDir4To5()
2312
def initialize_on_transport(self, transport):
2313
"""Format 4 branches cannot be created."""
2314
raise errors.UninitializableFormat(self)
2316
def is_supported(self):
2317
"""Format 4 is not supported.
2319
It is not supported because the model changed from 4 to 5 and the
2320
conversion logic is expensive - so doing it on the fly was not
2325
def network_name(self):
2326
return self.get_format_string()
2328
def _open(self, transport):
2329
"""See BzrDirFormat._open."""
2330
return BzrDir4(transport, self)
2332
def __return_repository_format(self):
2333
"""Circular import protection."""
2334
from bzrlib.repofmt.weaverepo import RepositoryFormat4
2335
return RepositoryFormat4()
2336
repository_format = property(__return_repository_format)
2339
class BzrDirFormatAllInOne(BzrDirFormat):
2340
"""Common class for formats before meta-dirs."""
2342
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
2343
create_prefix=False, force_new_repo=False, stacked_on=None,
2344
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
2346
"""See BzrDirFormat.initialize_on_transport_ex."""
2347
require_stacking = (stacked_on is not None)
2348
# Format 5 cannot stack, but we've been asked to - actually init
2350
if require_stacking:
2351
format = BzrDirMetaFormat1()
2352
return format.initialize_on_transport_ex(transport,
2353
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
2354
force_new_repo=force_new_repo, stacked_on=stacked_on,
2355
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
2356
make_working_trees=make_working_trees, shared_repo=shared_repo)
2357
return BzrDirFormat.initialize_on_transport_ex(self, transport,
2358
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
2359
force_new_repo=force_new_repo, stacked_on=stacked_on,
2360
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
2361
make_working_trees=make_working_trees, shared_repo=shared_repo)
2364
class BzrDirFormat5(BzrDirFormatAllInOne):
2365
"""Bzr control format 5.
2367
This format is a combined format for working tree, branch and repository.
2369
- Format 2 working trees [always]
2370
- Format 4 branches [always]
2371
- Format 5 repositories [always]
2372
Unhashed stores in the repository.
2375
_lock_class = lockable_files.TransportLock
2377
def get_format_string(self):
2378
"""See BzrDirFormat.get_format_string()."""
2379
return "Bazaar-NG branch, format 5\n"
2381
def get_branch_format(self):
2382
from bzrlib import branch
2383
return branch.BzrBranchFormat4()
2385
def get_format_description(self):
2386
"""See BzrDirFormat.get_format_description()."""
2387
return "All-in-one format 5"
2389
def get_converter(self, format=None):
2390
"""See BzrDirFormat.get_converter()."""
2391
# there is one and only one upgrade path here.
2392
return ConvertBzrDir5To6()
2394
def _initialize_for_clone(self, url):
2395
return self.initialize_on_transport(get_transport(url), _cloning=True)
2397
def initialize_on_transport(self, transport, _cloning=False):
2398
"""Format 5 dirs always have working tree, branch and repository.
2400
Except when they are being cloned.
2402
from bzrlib.branch import BzrBranchFormat4
2403
from bzrlib.repofmt.weaverepo import RepositoryFormat5
2404
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
2405
RepositoryFormat5().initialize(result, _internal=True)
2407
branch = BzrBranchFormat4().initialize(result)
2408
result._init_workingtree()
2411
def network_name(self):
2412
return self.get_format_string()
2414
def _open(self, transport):
2415
"""See BzrDirFormat._open."""
2416
return BzrDir5(transport, self)
2418
def __return_repository_format(self):
2419
"""Circular import protection."""
2420
from bzrlib.repofmt.weaverepo import RepositoryFormat5
2421
return RepositoryFormat5()
2422
repository_format = property(__return_repository_format)
2425
class BzrDirFormat6(BzrDirFormatAllInOne):
2426
"""Bzr control format 6.
2428
This format is a combined format for working tree, branch and repository.
2430
- Format 2 working trees [always]
2431
- Format 4 branches [always]
2432
- Format 6 repositories [always]
2435
_lock_class = lockable_files.TransportLock
2437
def get_format_string(self):
2438
"""See BzrDirFormat.get_format_string()."""
2439
return "Bazaar-NG branch, format 6\n"
2441
def get_format_description(self):
2442
"""See BzrDirFormat.get_format_description()."""
2443
return "All-in-one format 6"
2445
def get_branch_format(self):
2446
from bzrlib import branch
2447
return branch.BzrBranchFormat4()
2449
def get_converter(self, format=None):
2450
"""See BzrDirFormat.get_converter()."""
2451
# there is one and only one upgrade path here.
2452
return ConvertBzrDir6ToMeta()
2454
def _initialize_for_clone(self, url):
2455
return self.initialize_on_transport(get_transport(url), _cloning=True)
2457
def initialize_on_transport(self, transport, _cloning=False):
2458
"""Format 6 dirs always have working tree, branch and repository.
2460
Except when they are being cloned.
2462
from bzrlib.branch import BzrBranchFormat4
2463
from bzrlib.repofmt.weaverepo import RepositoryFormat6
2464
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
2465
RepositoryFormat6().initialize(result, _internal=True)
2467
branch = BzrBranchFormat4().initialize(result)
2468
result._init_workingtree()
2471
def network_name(self):
2472
return self.get_format_string()
2474
def _open(self, transport):
2475
"""See BzrDirFormat._open."""
2476
return BzrDir6(transport, self)
2478
def __return_repository_format(self):
2479
"""Circular import protection."""
2480
from bzrlib.repofmt.weaverepo import RepositoryFormat6
2481
return RepositoryFormat6()
2482
repository_format = property(__return_repository_format)
1502
2485
class BzrDirMetaFormat1(BzrDirFormat):
1710
2677
def __get_workingtree_format(self):
1711
2678
if self._workingtree_format is None:
1712
from .workingtree import (
1713
format_registry as wt_format_registry,
1715
self._workingtree_format = wt_format_registry.get_default()
2679
from bzrlib.workingtree import WorkingTreeFormat
2680
self._workingtree_format = WorkingTreeFormat.get_default_format()
1716
2681
return self._workingtree_format
1718
2683
def __set_workingtree_format(self, wt_format):
1719
2684
self._workingtree_format = wt_format
1722
return "<%r>" % (self.__class__.__name__,)
1724
2686
workingtree_format = property(__get_workingtree_format,
1725
2687
__set_workingtree_format)
1728
class BzrDirMetaFormat1Colo(BzrDirMetaFormat1):
1729
"""BzrDirMeta1 format with support for colocated branches."""
1731
colocated_branches = True
1734
def get_format_string(cls):
1735
"""See BzrDirFormat.get_format_string()."""
1736
return b"Bazaar meta directory, format 1 (with colocated branches)\n"
1738
def get_format_description(self):
1739
"""See BzrDirFormat.get_format_description()."""
1740
return "Meta directory format 1 with support for colocated branches"
1742
def _open(self, transport):
1743
"""See BzrDirFormat._open."""
1744
# Create a new format instance because otherwise initialisation of new
1745
# metadirs share the global default format object leading to alias
1747
format = BzrDirMetaFormat1Colo()
1748
self._supply_sub_formats_to(format)
1749
return BzrDirMeta1(transport, format)
1752
class ConvertMetaToMeta(controldir.Converter):
2690
network_format_registry = registry.FormatRegistry()
2691
"""Registry of formats indexed by their network name.
2693
The network name for a BzrDirFormat is an identifier that can be used when
2694
referring to formats with smart server operations. See
2695
BzrDirFormat.network_name() for more detail.
2699
# Register bzr control format
2700
BzrDirFormat.register_control_format(BzrDirFormat)
2702
# Register bzr formats
2703
BzrDirFormat.register_format(BzrDirFormat4())
2704
BzrDirFormat.register_format(BzrDirFormat5())
2705
BzrDirFormat.register_format(BzrDirFormat6())
2706
__default_format = BzrDirMetaFormat1()
2707
BzrDirFormat.register_format(__default_format)
2708
BzrDirFormat._default_format = __default_format
2711
class Converter(object):
2712
"""Converts a disk format object from one format to another."""
2714
def convert(self, to_convert, pb):
2715
"""Perform the conversion of to_convert, giving feedback via pb.
2717
:param to_convert: The disk object to convert.
2718
:param pb: a progress bar to use for progress information.
2721
def step(self, message):
2722
"""Update the pb by a step."""
2724
self.pb.update(message, self.count, self.total)
2727
class ConvertBzrDir4To5(Converter):
2728
"""Converts format 4 bzr dirs to format 5."""
2731
super(ConvertBzrDir4To5, self).__init__()
2732
self.converted_revs = set()
2733
self.absent_revisions = set()
2737
def convert(self, to_convert, pb):
2738
"""See Converter.convert()."""
2739
self.bzrdir = to_convert
2741
warnings.warn("pb parameter to convert() is deprecated")
2742
self.pb = ui.ui_factory.nested_progress_bar()
2744
ui.ui_factory.note('starting upgrade from format 4 to 5')
2745
if isinstance(self.bzrdir.transport, local.LocalTransport):
2746
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2747
self._convert_to_weaves()
2748
return BzrDir.open(self.bzrdir.user_url)
2752
def _convert_to_weaves(self):
2753
ui.ui_factory.note('note: upgrade may be faster if all store files are ungzipped first')
2756
stat = self.bzrdir.transport.stat('weaves')
2757
if not S_ISDIR(stat.st_mode):
2758
self.bzrdir.transport.delete('weaves')
2759
self.bzrdir.transport.mkdir('weaves')
2760
except errors.NoSuchFile:
2761
self.bzrdir.transport.mkdir('weaves')
2762
# deliberately not a WeaveFile as we want to build it up slowly.
2763
self.inv_weave = Weave('inventory')
2764
# holds in-memory weaves for all files
2765
self.text_weaves = {}
2766
self.bzrdir.transport.delete('branch-format')
2767
self.branch = self.bzrdir.open_branch()
2768
self._convert_working_inv()
2769
rev_history = self.branch.revision_history()
2770
# to_read is a stack holding the revisions we still need to process;
2771
# appending to it adds new highest-priority revisions
2772
self.known_revisions = set(rev_history)
2773
self.to_read = rev_history[-1:]
2775
rev_id = self.to_read.pop()
2776
if (rev_id not in self.revisions
2777
and rev_id not in self.absent_revisions):
2778
self._load_one_rev(rev_id)
2780
to_import = self._make_order()
2781
for i, rev_id in enumerate(to_import):
2782
self.pb.update('converting revision', i, len(to_import))
2783
self._convert_one_rev(rev_id)
2785
self._write_all_weaves()
2786
self._write_all_revs()
2787
ui.ui_factory.note('upgraded to weaves:')
2788
ui.ui_factory.note(' %6d revisions and inventories' % len(self.revisions))
2789
ui.ui_factory.note(' %6d revisions not present' % len(self.absent_revisions))
2790
ui.ui_factory.note(' %6d texts' % self.text_count)
2791
self._cleanup_spare_files_after_format4()
2792
self.branch._transport.put_bytes(
2794
BzrDirFormat5().get_format_string(),
2795
mode=self.bzrdir._get_file_mode())
2797
def _cleanup_spare_files_after_format4(self):
2798
# FIXME working tree upgrade foo.
2799
for n in 'merged-patches', 'pending-merged-patches':
2801
## assert os.path.getsize(p) == 0
2802
self.bzrdir.transport.delete(n)
2803
except errors.NoSuchFile:
2805
self.bzrdir.transport.delete_tree('inventory-store')
2806
self.bzrdir.transport.delete_tree('text-store')
2808
def _convert_working_inv(self):
2809
inv = xml4.serializer_v4.read_inventory(
2810
self.branch._transport.get('inventory'))
2811
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2812
self.branch._transport.put_bytes('inventory', new_inv_xml,
2813
mode=self.bzrdir._get_file_mode())
2815
def _write_all_weaves(self):
2816
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2817
weave_transport = self.bzrdir.transport.clone('weaves')
2818
weaves = WeaveStore(weave_transport, prefixed=False)
2819
transaction = WriteTransaction()
2823
for file_id, file_weave in self.text_weaves.items():
2824
self.pb.update('writing weave', i, len(self.text_weaves))
2825
weaves._put_weave(file_id, file_weave, transaction)
2827
self.pb.update('inventory', 0, 1)
2828
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2829
self.pb.update('inventory', 1, 1)
2833
def _write_all_revs(self):
2834
"""Write all revisions out in new form."""
2835
self.bzrdir.transport.delete_tree('revision-store')
2836
self.bzrdir.transport.mkdir('revision-store')
2837
revision_transport = self.bzrdir.transport.clone('revision-store')
2839
from bzrlib.xml5 import serializer_v5
2840
from bzrlib.repofmt.weaverepo import RevisionTextStore
2841
revision_store = RevisionTextStore(revision_transport,
2842
serializer_v5, False, versionedfile.PrefixMapper(),
2843
lambda:True, lambda:True)
2845
for i, rev_id in enumerate(self.converted_revs):
2846
self.pb.update('write revision', i, len(self.converted_revs))
2847
text = serializer_v5.write_revision_to_string(
2848
self.revisions[rev_id])
2850
revision_store.add_lines(key, None, osutils.split_lines(text))
2854
def _load_one_rev(self, rev_id):
2855
"""Load a revision object into memory.
2857
Any parents not either loaded or abandoned get queued to be
2859
self.pb.update('loading revision',
2860
len(self.revisions),
2861
len(self.known_revisions))
2862
if not self.branch.repository.has_revision(rev_id):
2864
ui.ui_factory.note('revision {%s} not present in branch; '
2865
'will be converted as a ghost' %
2867
self.absent_revisions.add(rev_id)
2869
rev = self.branch.repository.get_revision(rev_id)
2870
for parent_id in rev.parent_ids:
2871
self.known_revisions.add(parent_id)
2872
self.to_read.append(parent_id)
2873
self.revisions[rev_id] = rev
2875
def _load_old_inventory(self, rev_id):
2876
f = self.branch.repository.inventory_store.get(rev_id)
2878
old_inv_xml = f.read()
2881
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2882
inv.revision_id = rev_id
2883
rev = self.revisions[rev_id]
2886
def _load_updated_inventory(self, rev_id):
2887
inv_xml = self.inv_weave.get_text(rev_id)
2888
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2891
def _convert_one_rev(self, rev_id):
2892
"""Convert revision and all referenced objects to new format."""
2893
rev = self.revisions[rev_id]
2894
inv = self._load_old_inventory(rev_id)
2895
present_parents = [p for p in rev.parent_ids
2896
if p not in self.absent_revisions]
2897
self._convert_revision_contents(rev, inv, present_parents)
2898
self._store_new_inv(rev, inv, present_parents)
2899
self.converted_revs.add(rev_id)
2901
def _store_new_inv(self, rev, inv, present_parents):
2902
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2903
new_inv_sha1 = sha_string(new_inv_xml)
2904
self.inv_weave.add_lines(rev.revision_id,
2906
new_inv_xml.splitlines(True))
2907
rev.inventory_sha1 = new_inv_sha1
2909
def _convert_revision_contents(self, rev, inv, present_parents):
2910
"""Convert all the files within a revision.
2912
Also upgrade the inventory to refer to the text revision ids."""
2913
rev_id = rev.revision_id
2914
mutter('converting texts of revision {%s}',
2916
parent_invs = map(self._load_updated_inventory, present_parents)
2917
entries = inv.iter_entries()
2919
for path, ie in entries:
2920
self._convert_file_version(rev, ie, parent_invs)
2922
def _convert_file_version(self, rev, ie, parent_invs):
2923
"""Convert one version of one file.
2925
The file needs to be added into the weave if it is a merge
2926
of >=2 parents or if it's changed from its parent.
2928
file_id = ie.file_id
2929
rev_id = rev.revision_id
2930
w = self.text_weaves.get(file_id)
2933
self.text_weaves[file_id] = w
2934
text_changed = False
2935
parent_candiate_entries = ie.parent_candidates(parent_invs)
2936
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2937
# XXX: Note that this is unordered - and this is tolerable because
2938
# the previous code was also unordered.
2939
previous_entries = dict((head, parent_candiate_entries[head]) for head
2941
self.snapshot_ie(previous_entries, ie, w, rev_id)
2944
def get_parent_map(self, revision_ids):
2945
"""See graph.StackedParentsProvider.get_parent_map"""
2946
return dict((revision_id, self.revisions[revision_id])
2947
for revision_id in revision_ids
2948
if revision_id in self.revisions)
2950
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2951
# TODO: convert this logic, which is ~= snapshot to
2952
# a call to:. This needs the path figured out. rather than a work_tree
2953
# a v4 revision_tree can be given, or something that looks enough like
2954
# one to give the file content to the entry if it needs it.
2955
# and we need something that looks like a weave store for snapshot to
2957
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2958
if len(previous_revisions) == 1:
2959
previous_ie = previous_revisions.values()[0]
2960
if ie._unchanged(previous_ie):
2961
ie.revision = previous_ie.revision
2964
f = self.branch.repository._text_store.get(ie.text_id)
2966
file_lines = f.readlines()
2969
w.add_lines(rev_id, previous_revisions, file_lines)
2970
self.text_count += 1
2972
w.add_lines(rev_id, previous_revisions, [])
2973
ie.revision = rev_id
2975
def _make_order(self):
2976
"""Return a suitable order for importing revisions.
2978
The order must be such that an revision is imported after all
2979
its (present) parents.
2981
todo = set(self.revisions.keys())
2982
done = self.absent_revisions.copy()
2985
# scan through looking for a revision whose parents
2987
for rev_id in sorted(list(todo)):
2988
rev = self.revisions[rev_id]
2989
parent_ids = set(rev.parent_ids)
2990
if parent_ids.issubset(done):
2991
# can take this one now
2992
order.append(rev_id)
2998
class ConvertBzrDir5To6(Converter):
2999
"""Converts format 5 bzr dirs to format 6."""
3001
def convert(self, to_convert, pb):
3002
"""See Converter.convert()."""
3003
self.bzrdir = to_convert
3004
pb = ui.ui_factory.nested_progress_bar()
3006
ui.ui_factory.note('starting upgrade from format 5 to 6')
3007
self._convert_to_prefixed()
3008
return BzrDir.open(self.bzrdir.user_url)
3012
def _convert_to_prefixed(self):
3013
from bzrlib.store import TransportStore
3014
self.bzrdir.transport.delete('branch-format')
3015
for store_name in ["weaves", "revision-store"]:
3016
ui.ui_factory.note("adding prefixes to %s" % store_name)
3017
store_transport = self.bzrdir.transport.clone(store_name)
3018
store = TransportStore(store_transport, prefixed=True)
3019
for urlfilename in store_transport.list_dir('.'):
3020
filename = urlutils.unescape(urlfilename)
3021
if (filename.endswith(".weave") or
3022
filename.endswith(".gz") or
3023
filename.endswith(".sig")):
3024
file_id, suffix = os.path.splitext(filename)
3028
new_name = store._mapper.map((file_id,)) + suffix
3029
# FIXME keep track of the dirs made RBC 20060121
3031
store_transport.move(filename, new_name)
3032
except errors.NoSuchFile: # catches missing dirs strangely enough
3033
store_transport.mkdir(osutils.dirname(new_name))
3034
store_transport.move(filename, new_name)
3035
self.bzrdir.transport.put_bytes(
3037
BzrDirFormat6().get_format_string(),
3038
mode=self.bzrdir._get_file_mode())
3041
class ConvertBzrDir6ToMeta(Converter):
3042
"""Converts format 6 bzr dirs to metadirs."""
3044
def convert(self, to_convert, pb):
3045
"""See Converter.convert()."""
3046
from bzrlib.repofmt.weaverepo import RepositoryFormat7
3047
from bzrlib.branch import BzrBranchFormat5
3048
self.bzrdir = to_convert
3049
self.pb = ui.ui_factory.nested_progress_bar()
3051
self.total = 20 # the steps we know about
3052
self.garbage_inventories = []
3053
self.dir_mode = self.bzrdir._get_dir_mode()
3054
self.file_mode = self.bzrdir._get_file_mode()
3056
ui.ui_factory.note('starting upgrade from format 6 to metadir')
3057
self.bzrdir.transport.put_bytes(
3059
"Converting to format 6",
3060
mode=self.file_mode)
3061
# its faster to move specific files around than to open and use the apis...
3062
# first off, nuke ancestry.weave, it was never used.
3064
self.step('Removing ancestry.weave')
3065
self.bzrdir.transport.delete('ancestry.weave')
3066
except errors.NoSuchFile:
3068
# find out whats there
3069
self.step('Finding branch files')
3070
last_revision = self.bzrdir.open_branch().last_revision()
3071
bzrcontents = self.bzrdir.transport.list_dir('.')
3072
for name in bzrcontents:
3073
if name.startswith('basis-inventory.'):
3074
self.garbage_inventories.append(name)
3075
# create new directories for repository, working tree and branch
3076
repository_names = [('inventory.weave', True),
3077
('revision-store', True),
3079
self.step('Upgrading repository ')
3080
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
3081
self.make_lock('repository')
3082
# we hard code the formats here because we are converting into
3083
# the meta format. The meta format upgrader can take this to a
3084
# future format within each component.
3085
self.put_format('repository', RepositoryFormat7())
3086
for entry in repository_names:
3087
self.move_entry('repository', entry)
3089
self.step('Upgrading branch ')
3090
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
3091
self.make_lock('branch')
3092
self.put_format('branch', BzrBranchFormat5())
3093
branch_files = [('revision-history', True),
3094
('branch-name', True),
3096
for entry in branch_files:
3097
self.move_entry('branch', entry)
3099
checkout_files = [('pending-merges', True),
3100
('inventory', True),
3101
('stat-cache', False)]
3102
# If a mandatory checkout file is not present, the branch does not have
3103
# a functional checkout. Do not create a checkout in the converted
3105
for name, mandatory in checkout_files:
3106
if mandatory and name not in bzrcontents:
3107
has_checkout = False
3111
if not has_checkout:
3112
ui.ui_factory.note('No working tree.')
3113
# If some checkout files are there, we may as well get rid of them.
3114
for name, mandatory in checkout_files:
3115
if name in bzrcontents:
3116
self.bzrdir.transport.delete(name)
3118
from bzrlib.workingtree import WorkingTreeFormat3
3119
self.step('Upgrading working tree')
3120
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
3121
self.make_lock('checkout')
3123
'checkout', WorkingTreeFormat3())
3124
self.bzrdir.transport.delete_multi(
3125
self.garbage_inventories, self.pb)
3126
for entry in checkout_files:
3127
self.move_entry('checkout', entry)
3128
if last_revision is not None:
3129
self.bzrdir.transport.put_bytes(
3130
'checkout/last-revision', last_revision)
3131
self.bzrdir.transport.put_bytes(
3133
BzrDirMetaFormat1().get_format_string(),
3134
mode=self.file_mode)
3136
return BzrDir.open(self.bzrdir.user_url)
3138
def make_lock(self, name):
3139
"""Make a lock for the new control dir name."""
3140
self.step('Make %s lock' % name)
3141
ld = lockdir.LockDir(self.bzrdir.transport,
3143
file_modebits=self.file_mode,
3144
dir_modebits=self.dir_mode)
3147
def move_entry(self, new_dir, entry):
3148
"""Move then entry name into new_dir."""
3150
mandatory = entry[1]
3151
self.step('Moving %s' % name)
3153
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
3154
except errors.NoSuchFile:
3158
def put_format(self, dirname, format):
3159
self.bzrdir.transport.put_bytes('%s/format' % dirname,
3160
format.get_format_string(),
3164
class ConvertMetaToMeta(Converter):
1753
3165
"""Converts the components of metadirs."""
1755
3167
def __init__(self, target_format):
1762
3174
def convert(self, to_convert, pb):
1763
3175
"""See Converter.convert()."""
1764
self.controldir = to_convert
1765
with ui.ui_factory.nested_progress_bar() as self.pb:
1768
self.step('checking repository format')
1770
repo = self.controldir.open_repository()
1771
except errors.NoRepositoryPresent:
1774
repo_fmt = self.target_format.repository_format
1775
if not isinstance(repo._format, repo_fmt.__class__):
1776
from ..repository import CopyConverter
1777
ui.ui_factory.note(gettext('starting repository conversion'))
1778
if not repo_fmt.supports_overriding_transport:
1779
raise AssertionError(
1780
"Repository in metadir does not support "
1781
"overriding transport")
1782
converter = CopyConverter(self.target_format.repository_format)
1783
converter.convert(repo, pb)
1784
for branch in self.controldir.list_branches():
1785
# TODO: conversions of Branch and Tree should be done by
1786
# InterXFormat lookups/some sort of registry.
1787
# Avoid circular imports
3176
self.bzrdir = to_convert
3177
self.pb = ui.ui_factory.nested_progress_bar()
3180
self.step('checking repository format')
3182
repo = self.bzrdir.open_repository()
3183
except errors.NoRepositoryPresent:
3186
if not isinstance(repo._format, self.target_format.repository_format.__class__):
3187
from bzrlib.repository import CopyConverter
3188
ui.ui_factory.note('starting repository conversion')
3189
converter = CopyConverter(self.target_format.repository_format)
3190
converter.convert(repo, pb)
3191
for branch in self.bzrdir.list_branches():
3192
# TODO: conversions of Branch and Tree should be done by
3193
# InterXFormat lookups/some sort of registry.
3194
# Avoid circular imports
3195
from bzrlib import branch as _mod_branch
3196
old = branch._format.__class__
3197
new = self.target_format.get_branch_format().__class__
3199
if (old == _mod_branch.BzrBranchFormat5 and
3200
new in (_mod_branch.BzrBranchFormat6,
3201
_mod_branch.BzrBranchFormat7,
3202
_mod_branch.BzrBranchFormat8)):
3203
branch_converter = _mod_branch.Converter5to6()
3204
elif (old == _mod_branch.BzrBranchFormat6 and
3205
new in (_mod_branch.BzrBranchFormat7,
3206
_mod_branch.BzrBranchFormat8)):
3207
branch_converter = _mod_branch.Converter6to7()
3208
elif (old == _mod_branch.BzrBranchFormat7 and
3209
new is _mod_branch.BzrBranchFormat8):
3210
branch_converter = _mod_branch.Converter7to8()
3212
raise errors.BadConversionTarget("No converter", new,
3214
branch_converter.convert(branch)
3215
branch = self.bzrdir.open_branch()
1788
3216
old = branch._format.__class__
1789
new = self.target_format.get_branch_format().__class__
1791
if (old == fullhistorybranch.BzrBranchFormat5
1792
and new in (_mod_bzrbranch.BzrBranchFormat6,
1793
_mod_bzrbranch.BzrBranchFormat7,
1794
_mod_bzrbranch.BzrBranchFormat8)):
1795
branch_converter = _mod_bzrbranch.Converter5to6()
1796
elif (old == _mod_bzrbranch.BzrBranchFormat6
1797
and new in (_mod_bzrbranch.BzrBranchFormat7,
1798
_mod_bzrbranch.BzrBranchFormat8)):
1799
branch_converter = _mod_bzrbranch.Converter6to7()
1800
elif (old == _mod_bzrbranch.BzrBranchFormat7
1801
and new is _mod_bzrbranch.BzrBranchFormat8):
1802
branch_converter = _mod_bzrbranch.Converter7to8()
1804
raise errors.BadConversionTarget("No converter", new,
1806
branch_converter.convert(branch)
1807
branch = self.controldir.open_branch()
1808
old = branch._format.__class__
1810
tree = self.controldir.open_workingtree(recommend_upgrade=False)
1811
except (errors.NoWorkingTree, errors.NotLocalUrl):
1814
# TODO: conversions of Branch and Tree should be done by
1815
# InterXFormat lookups
1816
if (isinstance(tree, workingtree_3.WorkingTree3)
1817
and not isinstance(tree, workingtree_4.DirStateWorkingTree)
1818
and isinstance(self.target_format.workingtree_format,
1819
workingtree_4.DirStateWorkingTreeFormat)):
1820
workingtree_4.Converter3to4().convert(tree)
1821
if (isinstance(tree, workingtree_4.DirStateWorkingTree)
1822
and not isinstance(tree, workingtree_4.WorkingTree5)
1823
and isinstance(self.target_format.workingtree_format,
1824
workingtree_4.WorkingTreeFormat5)):
1825
workingtree_4.Converter4to5().convert(tree)
1826
if (isinstance(tree, workingtree_4.DirStateWorkingTree)
1827
and not isinstance(tree, workingtree_4.WorkingTree6)
1828
and isinstance(self.target_format.workingtree_format,
1829
workingtree_4.WorkingTreeFormat6)):
1830
workingtree_4.Converter4or5to6().convert(tree)
3218
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
3219
except (errors.NoWorkingTree, errors.NotLocalUrl):
3222
# TODO: conversions of Branch and Tree should be done by
3223
# InterXFormat lookups
3224
if (isinstance(tree, workingtree.WorkingTree3) and
3225
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
3226
isinstance(self.target_format.workingtree_format,
3227
workingtree_4.DirStateWorkingTreeFormat)):
3228
workingtree_4.Converter3to4().convert(tree)
3229
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3230
not isinstance(tree, workingtree_4.WorkingTree5) and
3231
isinstance(self.target_format.workingtree_format,
3232
workingtree_4.WorkingTreeFormat5)):
3233
workingtree_4.Converter4to5().convert(tree)
3234
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
3235
not isinstance(tree, workingtree_4.WorkingTree6) and
3236
isinstance(self.target_format.workingtree_format,
3237
workingtree_4.WorkingTreeFormat6)):
3238
workingtree_4.Converter4or5to6().convert(tree)
1831
3240
return to_convert
1834
class ConvertMetaToColo(controldir.Converter):
1835
"""Add colocated branch support."""
1837
def __init__(self, target_format):
1838
"""Create a converter.that upgrades a metadir to the colo format.
1840
:param target_format: The final metadir format that is desired.
1842
self.target_format = target_format
1844
def convert(self, to_convert, pb):
1845
"""See Converter.convert()."""
1846
to_convert.transport.put_bytes('branch-format',
1847
self.target_format.as_string())
1848
return BzrDir.open_from_transport(to_convert.root_transport)
1851
class ConvertMetaToColo(controldir.Converter):
1852
"""Convert a 'development-colo' bzrdir to a '2a' bzrdir."""
1854
def __init__(self, target_format):
1855
"""Create a converter that converts a 'development-colo' metadir
1858
:param target_format: The final metadir format that is desired.
1860
self.target_format = target_format
1862
def convert(self, to_convert, pb):
1863
"""See Converter.convert()."""
1864
to_convert.transport.put_bytes('branch-format',
1865
self.target_format.as_string())
1866
return BzrDir.open_from_transport(to_convert.root_transport)
1869
class CreateRepository(controldir.RepositoryAcquisitionPolicy):
3243
# This is not in remote.py because it's relatively small, and needs to be
3244
# registered. Putting it in remote.py creates a circular import problem.
3245
# we can make it a lazy object if the control formats is turned into something
3247
class RemoteBzrDirFormat(BzrDirMetaFormat1):
3248
"""Format representing bzrdirs accessed via a smart server"""
3251
BzrDirMetaFormat1.__init__(self)
3252
# XXX: It's a bit ugly that the network name is here, because we'd
3253
# like to believe that format objects are stateless or at least
3254
# immutable, However, we do at least avoid mutating the name after
3255
# it's returned. See <https://bugs.launchpad.net/bzr/+bug/504102>
3256
self._network_name = None
3259
return "%s(_network_name=%r)" % (self.__class__.__name__,
3262
def get_format_description(self):
3263
if self._network_name:
3264
real_format = network_format_registry.get(self._network_name)
3265
return 'Remote: ' + real_format.get_format_description()
3266
return 'bzr remote bzrdir'
3268
def get_format_string(self):
3269
raise NotImplementedError(self.get_format_string)
3271
def network_name(self):
3272
if self._network_name:
3273
return self._network_name
3275
raise AssertionError("No network name set.")
3278
def probe_transport(klass, transport):
3279
"""Return a RemoteBzrDirFormat object if it looks possible."""
3281
medium = transport.get_smart_medium()
3282
except (NotImplementedError, AttributeError,
3283
errors.TransportNotPossible, errors.NoSmartMedium,
3284
errors.SmartProtocolError):
3285
# no smart server, so not a branch for this format type.
3286
raise errors.NotBranchError(path=transport.base)
3288
# Decline to open it if the server doesn't support our required
3289
# version (3) so that the VFS-based transport will do it.
3290
if medium.should_probe():
3292
server_version = medium.protocol_version()
3293
except errors.SmartProtocolError:
3294
# Apparently there's no usable smart server there, even though
3295
# the medium supports the smart protocol.
3296
raise errors.NotBranchError(path=transport.base)
3297
if server_version != '2':
3298
raise errors.NotBranchError(path=transport.base)
3301
def initialize_on_transport(self, transport):
3303
# hand off the request to the smart server
3304
client_medium = transport.get_smart_medium()
3305
except errors.NoSmartMedium:
3306
# TODO: lookup the local format from a server hint.
3307
local_dir_format = BzrDirMetaFormat1()
3308
return local_dir_format.initialize_on_transport(transport)
3309
client = _SmartClient(client_medium)
3310
path = client.remote_path_from_transport(transport)
3312
response = client.call('BzrDirFormat.initialize', path)
3313
except errors.ErrorFromSmartServer, err:
3314
remote._translate_error(err, path=path)
3315
if response[0] != 'ok':
3316
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
3317
format = RemoteBzrDirFormat()
3318
self._supply_sub_formats_to(format)
3319
return remote.RemoteBzrDir(transport, format)
3321
def parse_NoneTrueFalse(self, arg):
3328
raise AssertionError("invalid arg %r" % arg)
3330
def _serialize_NoneTrueFalse(self, arg):
3337
def _serialize_NoneString(self, arg):
3340
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
3341
create_prefix=False, force_new_repo=False, stacked_on=None,
3342
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
3345
# hand off the request to the smart server
3346
client_medium = transport.get_smart_medium()
3347
except errors.NoSmartMedium:
3350
# Decline to open it if the server doesn't support our required
3351
# version (3) so that the VFS-based transport will do it.
3352
if client_medium.should_probe():
3354
server_version = client_medium.protocol_version()
3355
if server_version != '2':
3359
except errors.SmartProtocolError:
3360
# Apparently there's no usable smart server there, even though
3361
# the medium supports the smart protocol.
3366
client = _SmartClient(client_medium)
3367
path = client.remote_path_from_transport(transport)
3368
if client_medium._is_remote_before((1, 16)):
3371
# TODO: lookup the local format from a server hint.
3372
local_dir_format = BzrDirMetaFormat1()
3373
self._supply_sub_formats_to(local_dir_format)
3374
return local_dir_format.initialize_on_transport_ex(transport,
3375
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3376
force_new_repo=force_new_repo, stacked_on=stacked_on,
3377
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3378
make_working_trees=make_working_trees, shared_repo=shared_repo,
3380
return self._initialize_on_transport_ex_rpc(client, path, transport,
3381
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3382
stack_on_pwd, repo_format_name, make_working_trees, shared_repo)
3384
def _initialize_on_transport_ex_rpc(self, client, path, transport,
3385
use_existing_dir, create_prefix, force_new_repo, stacked_on,
3386
stack_on_pwd, repo_format_name, make_working_trees, shared_repo):
3388
args.append(self._serialize_NoneTrueFalse(use_existing_dir))
3389
args.append(self._serialize_NoneTrueFalse(create_prefix))
3390
args.append(self._serialize_NoneTrueFalse(force_new_repo))
3391
args.append(self._serialize_NoneString(stacked_on))
3392
# stack_on_pwd is often/usually our transport
3395
stack_on_pwd = transport.relpath(stack_on_pwd)
3396
if not stack_on_pwd:
3398
except errors.PathNotChild:
3400
args.append(self._serialize_NoneString(stack_on_pwd))
3401
args.append(self._serialize_NoneString(repo_format_name))
3402
args.append(self._serialize_NoneTrueFalse(make_working_trees))
3403
args.append(self._serialize_NoneTrueFalse(shared_repo))
3404
request_network_name = self._network_name or \
3405
BzrDirFormat.get_default_format().network_name()
3407
response = client.call('BzrDirFormat.initialize_ex_1.16',
3408
request_network_name, path, *args)
3409
except errors.UnknownSmartMethod:
3410
client._medium._remember_remote_is_before((1,16))
3411
local_dir_format = BzrDirMetaFormat1()
3412
self._supply_sub_formats_to(local_dir_format)
3413
return local_dir_format.initialize_on_transport_ex(transport,
3414
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
3415
force_new_repo=force_new_repo, stacked_on=stacked_on,
3416
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
3417
make_working_trees=make_working_trees, shared_repo=shared_repo,
3419
except errors.ErrorFromSmartServer, err:
3420
remote._translate_error(err, path=path)
3421
repo_path = response[0]
3422
bzrdir_name = response[6]
3423
require_stacking = response[7]
3424
require_stacking = self.parse_NoneTrueFalse(require_stacking)
3425
format = RemoteBzrDirFormat()
3426
format._network_name = bzrdir_name
3427
self._supply_sub_formats_to(format)
3428
bzrdir = remote.RemoteBzrDir(transport, format, _client=client)
3430
repo_format = remote.response_tuple_to_repo_format(response[1:])
3431
if repo_path == '.':
3434
repo_bzrdir_format = RemoteBzrDirFormat()
3435
repo_bzrdir_format._network_name = response[5]
3436
repo_bzr = remote.RemoteBzrDir(transport.clone(repo_path),
3440
final_stack = response[8] or None
3441
final_stack_pwd = response[9] or None
3443
final_stack_pwd = urlutils.join(
3444
transport.base, final_stack_pwd)
3445
remote_repo = remote.RemoteRepository(repo_bzr, repo_format)
3446
if len(response) > 10:
3447
# Updated server verb that locks remotely.
3448
repo_lock_token = response[10] or None
3449
remote_repo.lock_write(repo_lock_token, _skip_rpc=True)
3451
remote_repo.dont_leave_lock_in_place()
3453
remote_repo.lock_write()
3454
policy = UseExistingRepository(remote_repo, final_stack,
3455
final_stack_pwd, require_stacking)
3456
policy.acquire_repository()
3460
bzrdir._format.set_branch_format(self.get_branch_format())
3461
if require_stacking:
3462
# The repo has already been created, but we need to make sure that
3463
# we'll make a stackable branch.
3464
bzrdir._format.require_stacking(_skip_repo=True)
3465
return remote_repo, bzrdir, require_stacking, policy
3467
def _open(self, transport):
3468
return remote.RemoteBzrDir(transport, self)
3470
def __eq__(self, other):
3471
if not isinstance(other, RemoteBzrDirFormat):
3473
return self.get_format_description() == other.get_format_description()
3475
def __return_repository_format(self):
3476
# Always return a RemoteRepositoryFormat object, but if a specific bzr
3477
# repository format has been asked for, tell the RemoteRepositoryFormat
3478
# that it should use that for init() etc.
3479
result = remote.RemoteRepositoryFormat()
3480
custom_format = getattr(self, '_repository_format', None)
3482
if isinstance(custom_format, remote.RemoteRepositoryFormat):
3483
return custom_format
3485
# We will use the custom format to create repositories over the
3486
# wire; expose its details like rich_root_data for code to
3488
result._custom_format = custom_format
3491
def get_branch_format(self):
3492
result = BzrDirMetaFormat1.get_branch_format(self)
3493
if not isinstance(result, remote.RemoteBranchFormat):
3494
new_result = remote.RemoteBranchFormat()
3495
new_result._custom_format = result
3497
self.set_branch_format(new_result)
3501
repository_format = property(__return_repository_format,
3502
BzrDirMetaFormat1._set_repository_format) #.im_func)
3505
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
3508
class BzrDirFormatInfo(object):
3510
def __init__(self, native, deprecated, hidden, experimental):
3511
self.deprecated = deprecated
3512
self.native = native
3513
self.hidden = hidden
3514
self.experimental = experimental
3517
class BzrDirFormatRegistry(registry.Registry):
3518
"""Registry of user-selectable BzrDir subformats.
3520
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
3521
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
3525
"""Create a BzrDirFormatRegistry."""
3526
self._aliases = set()
3527
self._registration_order = list()
3528
super(BzrDirFormatRegistry, self).__init__()
3531
"""Return a set of the format names which are aliases."""
3532
return frozenset(self._aliases)
3534
def register_metadir(self, key,
3535
repository_format, help, native=True, deprecated=False,
3541
"""Register a metadir subformat.
3543
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
3544
by the Repository/Branch/WorkingTreeformats.
3546
:param repository_format: The fully-qualified repository format class
3548
:param branch_format: Fully-qualified branch format class name as
3550
:param tree_format: Fully-qualified tree format class name as
3553
# This should be expanded to support setting WorkingTree and Branch
3554
# formats, once BzrDirMetaFormat1 supports that.
3555
def _load(full_name):
3556
mod_name, factory_name = full_name.rsplit('.', 1)
3558
mod = __import__(mod_name, globals(), locals(),
3560
except ImportError, e:
3561
raise ImportError('failed to load %s: %s' % (full_name, e))
3563
factory = getattr(mod, factory_name)
3564
except AttributeError:
3565
raise AttributeError('no factory %s in module %r'
3570
bd = BzrDirMetaFormat1()
3571
if branch_format is not None:
3572
bd.set_branch_format(_load(branch_format))
3573
if tree_format is not None:
3574
bd.workingtree_format = _load(tree_format)
3575
if repository_format is not None:
3576
bd.repository_format = _load(repository_format)
3578
self.register(key, helper, help, native, deprecated, hidden,
3579
experimental, alias)
3581
def register(self, key, factory, help, native=True, deprecated=False,
3582
hidden=False, experimental=False, alias=False):
3583
"""Register a BzrDirFormat factory.
3585
The factory must be a callable that takes one parameter: the key.
3586
It must produce an instance of the BzrDirFormat when called.
3588
This function mainly exists to prevent the info object from being
3591
registry.Registry.register(self, key, factory, help,
3592
BzrDirFormatInfo(native, deprecated, hidden, experimental))
3594
self._aliases.add(key)
3595
self._registration_order.append(key)
3597
def register_lazy(self, key, module_name, member_name, help, native=True,
3598
deprecated=False, hidden=False, experimental=False, alias=False):
3599
registry.Registry.register_lazy(self, key, module_name, member_name,
3600
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
3602
self._aliases.add(key)
3603
self._registration_order.append(key)
3605
def set_default(self, key):
3606
"""Set the 'default' key to be a clone of the supplied key.
3608
This method must be called once and only once.
3610
registry.Registry.register(self, 'default', self.get(key),
3611
self.get_help(key), info=self.get_info(key))
3612
self._aliases.add('default')
3614
def set_default_repository(self, key):
3615
"""Set the FormatRegistry default and Repository default.
3617
This is a transitional method while Repository.set_default_format
3620
if 'default' in self:
3621
self.remove('default')
3622
self.set_default(key)
3623
format = self.get('default')()
3625
def make_bzrdir(self, key):
3626
return self.get(key)()
3628
def help_topic(self, topic):
3630
default_realkey = None
3631
default_help = self.get_help('default')
3633
for key in self._registration_order:
3634
if key == 'default':
3636
help = self.get_help(key)
3637
if help == default_help:
3638
default_realkey = key
3640
help_pairs.append((key, help))
3642
def wrapped(key, help, info):
3644
help = '(native) ' + help
3645
return ':%s:\n%s\n\n' % (key,
3646
textwrap.fill(help, initial_indent=' ',
3647
subsequent_indent=' ',
3648
break_long_words=False))
3649
if default_realkey is not None:
3650
output += wrapped(default_realkey, '(default) %s' % default_help,
3651
self.get_info('default'))
3652
deprecated_pairs = []
3653
experimental_pairs = []
3654
for key, help in help_pairs:
3655
info = self.get_info(key)
3658
elif info.deprecated:
3659
deprecated_pairs.append((key, help))
3660
elif info.experimental:
3661
experimental_pairs.append((key, help))
3663
output += wrapped(key, help, info)
3664
output += "\nSee :doc:`formats-help` for more about storage formats."
3666
if len(experimental_pairs) > 0:
3667
other_output += "Experimental formats are shown below.\n\n"
3668
for key, help in experimental_pairs:
3669
info = self.get_info(key)
3670
other_output += wrapped(key, help, info)
3673
"No experimental formats are available.\n\n"
3674
if len(deprecated_pairs) > 0:
3675
other_output += "\nDeprecated formats are shown below.\n\n"
3676
for key, help in deprecated_pairs:
3677
info = self.get_info(key)
3678
other_output += wrapped(key, help, info)
3681
"\nNo deprecated formats are available.\n\n"
3683
"\nSee :doc:`formats-help` for more about storage formats."
3685
if topic == 'other-formats':
3691
class RepositoryAcquisitionPolicy(object):
3692
"""Abstract base class for repository acquisition policies.
3694
A repository acquisition policy decides how a BzrDir acquires a repository
3695
for a branch that is being created. The most basic policy decision is
3696
whether to create a new repository or use an existing one.
3698
def __init__(self, stack_on, stack_on_pwd, require_stacking):
3701
:param stack_on: A location to stack on
3702
:param stack_on_pwd: If stack_on is relative, the location it is
3704
:param require_stacking: If True, it is a failure to not stack.
3706
self._stack_on = stack_on
3707
self._stack_on_pwd = stack_on_pwd
3708
self._require_stacking = require_stacking
3710
def configure_branch(self, branch):
3711
"""Apply any configuration data from this policy to the branch.
3713
Default implementation sets repository stacking.
3715
if self._stack_on is None:
3717
if self._stack_on_pwd is None:
3718
stack_on = self._stack_on
3721
stack_on = urlutils.rebase_url(self._stack_on,
3724
except errors.InvalidRebaseURLs:
3725
stack_on = self._get_full_stack_on()
3727
branch.set_stacked_on_url(stack_on)
3728
except (errors.UnstackableBranchFormat,
3729
errors.UnstackableRepositoryFormat):
3730
if self._require_stacking:
3733
def requires_stacking(self):
3734
"""Return True if this policy requires stacking."""
3735
return self._stack_on is not None and self._require_stacking
3737
def _get_full_stack_on(self):
3738
"""Get a fully-qualified URL for the stack_on location."""
3739
if self._stack_on is None:
3741
if self._stack_on_pwd is None:
3742
return self._stack_on
3744
return urlutils.join(self._stack_on_pwd, self._stack_on)
3746
def _add_fallback(self, repository, possible_transports=None):
3747
"""Add a fallback to the supplied repository, if stacking is set."""
3748
stack_on = self._get_full_stack_on()
3749
if stack_on is None:
3752
stacked_dir = BzrDir.open(stack_on,
3753
possible_transports=possible_transports)
3754
except errors.JailBreak:
3755
# We keep the stacking details, but we are in the server code so
3756
# actually stacking is not needed.
3759
stacked_repo = stacked_dir.open_branch().repository
3760
except errors.NotBranchError:
3761
stacked_repo = stacked_dir.open_repository()
3763
repository.add_fallback_repository(stacked_repo)
3764
except errors.UnstackableRepositoryFormat:
3765
if self._require_stacking:
3768
self._require_stacking = True
3770
def acquire_repository(self, make_working_trees=None, shared=False):
3771
"""Acquire a repository for this bzrdir.
3773
Implementations may create a new repository or use a pre-exising
3775
:param make_working_trees: If creating a repository, set
3776
make_working_trees to this value (if non-None)
3777
:param shared: If creating a repository, make it shared if True
3778
:return: A repository, is_new_flag (True if the repository was
3781
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
3784
class CreateRepository(RepositoryAcquisitionPolicy):
1870
3785
"""A policy of creating a new repository"""
1872
def __init__(self, controldir, stack_on=None, stack_on_pwd=None,
3787
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
1873
3788
require_stacking=False):
1876
:param controldir: The controldir to create the repository on.
3791
:param bzrdir: The bzrdir to create the repository on.
1877
3792
:param stack_on: A location to stack on
1878
3793
:param stack_on_pwd: If stack_on is relative, the location it is
1881
super(CreateRepository, self).__init__(
1882
stack_on, stack_on_pwd, require_stacking)
1883
self._controldir = controldir
3796
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3798
self._bzrdir = bzrdir
1885
def acquire_repository(self, make_working_trees=None, shared=False,
1886
possible_transports=None):
3800
def acquire_repository(self, make_working_trees=None, shared=False):
1887
3801
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
1889
Creates the desired repository in the controldir we already have.
3803
Creates the desired repository in the bzrdir we already have.
1891
if possible_transports is None:
1892
possible_transports = []
1894
possible_transports = list(possible_transports)
1895
possible_transports.append(self._controldir.root_transport)
1896
3805
stack_on = self._get_full_stack_on()
1898
format = self._controldir._format
3807
format = self._bzrdir._format
1899
3808
format.require_stacking(stack_on=stack_on,
1900
possible_transports=possible_transports)
3809
possible_transports=[self._bzrdir.root_transport])
1901
3810
if not self._require_stacking:
1902
3811
# We have picked up automatic stacking somewhere.
1903
note(gettext('Using default stacking branch {0} at {1}').format(
1904
self._stack_on, self._stack_on_pwd))
1905
repository = self._controldir.create_repository(shared=shared)
3812
note('Using default stacking branch %s at %s', self._stack_on,
3814
repository = self._bzrdir.create_repository(shared=shared)
1906
3815
self._add_fallback(repository,
1907
possible_transports=possible_transports)
3816
possible_transports=[self._bzrdir.transport])
1908
3817
if make_working_trees is not None:
1909
3818
repository.set_make_working_trees(make_working_trees)
1910
3819
return repository, True
1913
class UseExistingRepository(controldir.RepositoryAcquisitionPolicy):
3822
class UseExistingRepository(RepositoryAcquisitionPolicy):
1914
3823
"""A policy of reusing an existing repository"""
1916
3825
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
1922
3831
:param stack_on_pwd: If stack_on is relative, the location it is
1925
super(UseExistingRepository, self).__init__(
1926
stack_on, stack_on_pwd, require_stacking)
3834
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
1927
3836
self._repository = repository
1929
def acquire_repository(self, make_working_trees=None, shared=False,
1930
possible_transports=None):
3838
def acquire_repository(self, make_working_trees=None, shared=False):
1931
3839
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
1933
3841
Returns an existing repository to use.
1935
if possible_transports is None:
1936
possible_transports = []
1938
possible_transports = list(possible_transports)
1939
possible_transports.append(self._repository.controldir.transport)
1940
3843
self._add_fallback(self._repository,
1941
possible_transports=possible_transports)
3844
possible_transports=[self._repository.bzrdir.transport])
1942
3845
return self._repository, False
1945
controldir.ControlDirFormat._default_format = BzrDirMetaFormat1()
3848
# Please register new formats after old formats so that formats
3849
# appear in chronological order and format descriptions can build
3851
format_registry = BzrDirFormatRegistry()
3852
# The pre-0.8 formats have their repository format network name registered in
3853
# repository.py. MetaDir formats have their repository format network name
3854
# inferred from their disk format string.
3855
format_registry.register('weave', BzrDirFormat6,
3856
'Pre-0.8 format. Slower than knit and does not'
3857
' support checkouts or shared repositories.',
3860
format_registry.register_metadir('metaweave',
3861
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
3862
'Transitional format in 0.8. Slower than knit.',
3863
branch_format='bzrlib.branch.BzrBranchFormat5',
3864
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3867
format_registry.register_metadir('knit',
3868
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3869
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
3870
branch_format='bzrlib.branch.BzrBranchFormat5',
3871
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3874
format_registry.register_metadir('dirstate',
3875
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3876
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
3877
'above when accessed over the network.',
3878
branch_format='bzrlib.branch.BzrBranchFormat5',
3879
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
3880
# directly from workingtree_4 triggers a circular import.
3881
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3884
format_registry.register_metadir('dirstate-tags',
3885
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3886
help='New in 0.15: Fast local operations and improved scaling for '
3887
'network operations. Additionally adds support for tags.'
3888
' Incompatible with bzr < 0.15.',
3889
branch_format='bzrlib.branch.BzrBranchFormat6',
3890
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3893
format_registry.register_metadir('rich-root',
3894
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
3895
help='New in 1.0. Better handling of tree roots. Incompatible with'
3897
branch_format='bzrlib.branch.BzrBranchFormat6',
3898
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3901
format_registry.register_metadir('dirstate-with-subtree',
3902
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3903
help='New in 0.15: Fast local operations and improved scaling for '
3904
'network operations. Additionally adds support for versioning nested '
3905
'bzr branches. Incompatible with bzr < 0.15.',
3906
branch_format='bzrlib.branch.BzrBranchFormat6',
3907
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3911
format_registry.register_metadir('pack-0.92',
3912
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3913
help='New in 0.92: Pack-based format with data compatible with '
3914
'dirstate-tags format repositories. Interoperates with '
3915
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3917
branch_format='bzrlib.branch.BzrBranchFormat6',
3918
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3920
format_registry.register_metadir('pack-0.92-subtree',
3921
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3922
help='New in 0.92: Pack-based format with data compatible with '
3923
'dirstate-with-subtree format repositories. Interoperates with '
3924
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3926
branch_format='bzrlib.branch.BzrBranchFormat6',
3927
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3931
format_registry.register_metadir('rich-root-pack',
3932
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3933
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
3934
'(needed for bzr-svn and bzr-git).',
3935
branch_format='bzrlib.branch.BzrBranchFormat6',
3936
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3939
format_registry.register_metadir('1.6',
3940
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3941
help='A format that allows a branch to indicate that there is another '
3942
'(stacked) repository that should be used to access data that is '
3943
'not present locally.',
3944
branch_format='bzrlib.branch.BzrBranchFormat7',
3945
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3948
format_registry.register_metadir('1.6.1-rich-root',
3949
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3950
help='A variant of 1.6 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('1.9',
3957
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3958
help='A repository format using B+tree indexes. These indexes '
3959
'are smaller in size, have smarter caching and provide faster '
3960
'performance for most operations.',
3961
branch_format='bzrlib.branch.BzrBranchFormat7',
3962
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3965
format_registry.register_metadir('1.9-rich-root',
3966
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3967
help='A variant of 1.9 that supports rich-root data '
3968
'(needed for bzr-svn and bzr-git).',
3969
branch_format='bzrlib.branch.BzrBranchFormat7',
3970
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3973
format_registry.register_metadir('1.14',
3974
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3975
help='A working-tree format that supports content filtering.',
3976
branch_format='bzrlib.branch.BzrBranchFormat7',
3977
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3979
format_registry.register_metadir('1.14-rich-root',
3980
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3981
help='A variant of 1.14 that supports rich-root data '
3982
'(needed for bzr-svn and bzr-git).',
3983
branch_format='bzrlib.branch.BzrBranchFormat7',
3984
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3986
# The following un-numbered 'development' formats should always just be aliases.
3987
format_registry.register_metadir('development-rich-root',
3988
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
3989
help='Current development format. Supports rich roots. Can convert data '
3990
'to and from rich-root-pack (and anything compatible with '
3991
'rich-root-pack) format repositories. Repositories and branches in '
3992
'this format can only be read by bzr.dev. Please read '
3993
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
3995
branch_format='bzrlib.branch.BzrBranchFormat7',
3996
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4001
format_registry.register_metadir('development-subtree',
4002
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
4003
help='Current development format, subtree variant. Can convert data to and '
4004
'from pack-0.92-subtree (and anything compatible with '
4005
'pack-0.92-subtree) format repositories. Repositories and branches in '
4006
'this format can only be read by bzr.dev. Please read '
4007
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
4009
branch_format='bzrlib.branch.BzrBranchFormat7',
4010
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4013
alias=False, # Restore to being an alias when an actual development subtree format is added
4014
# This current non-alias status is simply because we did not introduce a
4015
# chk based subtree format.
4018
# And the development formats above will have aliased one of the following:
4019
format_registry.register_metadir('development6-rich-root',
4020
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK1',
4021
help='pack-1.9 with 255-way hashed CHK inv, group compress, rich roots '
4023
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
4025
branch_format='bzrlib.branch.BzrBranchFormat7',
4026
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4031
format_registry.register_metadir('development7-rich-root',
4032
'bzrlib.repofmt.groupcompress_repo.RepositoryFormatCHK2',
4033
help='pack-1.9 with 255-way hashed CHK inv, bencode revision, group compress, '
4034
'rich roots. Please read '
4035
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
4037
branch_format='bzrlib.branch.BzrBranchFormat7',
4038
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4043
format_registry.register_metadir('2a',
4044
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
4045
help='First format for bzr 2.0 series.\n'
4046
'Uses group-compress storage.\n'
4047
'Provides rich roots which are a one-way transition.\n',
4048
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
4049
# 'rich roots. Supported by bzr 1.16 and later.',
4050
branch_format='bzrlib.branch.BzrBranchFormat7',
4051
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4055
# The following format should be an alias for the rich root equivalent
4056
# of the default format
4057
format_registry.register_metadir('default-rich-root',
4058
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
4059
branch_format='bzrlib.branch.BzrBranchFormat7',
4060
tree_format='bzrlib.workingtree.WorkingTreeFormat6',
4065
# The current format that is made on 'bzr init'.
4066
format_registry.set_default('2a')
added
removed
bzrlib/bzrdir.py
