170
169
self._validate_unicode_text(value,
171
170
'revision property (%s)' % (key,))
172
def _ensure_fallback_inventories(self):
173
"""Ensure that appropriate inventories are available.
175
This only applies to repositories that are stacked, and is about
176
enusring the stacking invariants. Namely, that for any revision that is
177
present, we either have all of the file content, or we have the parent
178
inventory and the delta file content.
180
if not self.repository._fallback_repositories:
182
if not self.repository._format.supports_chks:
183
raise errors.BzrError("Cannot commit directly to a stacked branch"
184
" in pre-2a formats. See "
185
"https://bugs.launchpad.net/bzr/+bug/375013 for details.")
186
# This is a stacked repo, we need to make sure we have the parent
187
# inventories for the parents.
188
parent_keys = [(p,) for p in self.parents]
189
parent_map = self.repository.inventories._index.get_parent_map(parent_keys)
190
missing_parent_keys = set([pk for pk in parent_keys
191
if pk not in parent_map])
192
fallback_repos = list(reversed(self.repository._fallback_repositories))
193
missing_keys = [('inventories', pk[0])
194
for pk in missing_parent_keys]
196
while missing_keys and fallback_repos:
197
fallback_repo = fallback_repos.pop()
198
source = fallback_repo._get_source(self.repository._format)
199
sink = self.repository._get_sink()
200
stream = source.get_stream_for_missing_keys(missing_keys)
201
missing_keys = sink.insert_stream_without_locking(stream,
202
self.repository._format)
204
raise errors.BzrError('Unable to fill in parent inventories for a'
173
207
def commit(self, message):
174
208
"""Make the actual commit.
1558
1586
@needs_read_lock
1559
def search_missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
1587
def search_missing_revision_ids(self, other,
1588
revision_id=symbol_versioning.DEPRECATED_PARAMETER,
1589
find_ghosts=True, revision_ids=None, if_present_ids=None):
1560
1590
"""Return the revision ids that other has that this does not.
1562
1592
These are returned in topological order.
1564
1594
revision_id: only return revision ids included by revision_id.
1596
if symbol_versioning.deprecated_passed(revision_id):
1597
symbol_versioning.warn(
1598
'search_missing_revision_ids(revision_id=...) was '
1599
'deprecated in 2.4. Use revision_ids=[...] instead.',
1600
DeprecationWarning, stacklevel=3)
1601
if revision_ids is not None:
1602
raise AssertionError(
1603
'revision_ids is mutually exclusive with revision_id')
1604
if revision_id is not None:
1605
revision_ids = [revision_id]
1566
1606
return InterRepository.get(other, self).search_missing_revision_ids(
1567
revision_id, find_ghosts)
1607
find_ghosts=find_ghosts, revision_ids=revision_ids,
1608
if_present_ids=if_present_ids)
1570
1611
def open(base):
2013
2051
w = self.inventories
2014
2052
pb = ui.ui_factory.nested_progress_bar()
2016
return self._find_text_key_references_from_xml_inventory_lines(
2054
return self._serializer._find_text_key_references(
2017
2055
w.iter_lines_added_or_present_in_keys(revision_keys, pb=pb))
2021
def _find_text_key_references_from_xml_inventory_lines(self,
2023
"""Core routine for extracting references to texts from inventories.
2025
This performs the translation of xml lines to revision ids.
2027
:param line_iterator: An iterator of lines, origin_version_id
2028
:return: A dictionary mapping text keys ((fileid, revision_id) tuples)
2029
to whether they were referred to by the inventory of the
2030
revision_id that they contain. Note that if that revision_id was
2031
not part of the line_iterator's output then False will be given -
2032
even though it may actually refer to that key.
2034
if not self._serializer.support_altered_by_hack:
2035
raise AssertionError(
2036
"_find_text_key_references_from_xml_inventory_lines only "
2037
"supported for branches which store inventory as unnested xml"
2038
", not on %r" % self)
2041
# this code needs to read every new line in every inventory for the
2042
# inventories [revision_ids]. Seeing a line twice is ok. Seeing a line
2043
# not present in one of those inventories is unnecessary but not
2044
# harmful because we are filtering by the revision id marker in the
2045
# inventory lines : we only select file ids altered in one of those
2046
# revisions. We don't need to see all lines in the inventory because
2047
# only those added in an inventory in rev X can contain a revision=X
2049
unescape_revid_cache = {}
2050
unescape_fileid_cache = {}
2052
# jam 20061218 In a big fetch, this handles hundreds of thousands
2053
# of lines, so it has had a lot of inlining and optimizing done.
2054
# Sorry that it is a little bit messy.
2055
# Move several functions to be local variables, since this is a long
2057
search = self._file_ids_altered_regex.search
2058
unescape = _unescape_xml
2059
setdefault = result.setdefault
2060
for line, line_key in line_iterator:
2061
match = search(line)
2064
# One call to match.group() returning multiple items is quite a
2065
# bit faster than 2 calls to match.group() each returning 1
2066
file_id, revision_id = match.group('file_id', 'revision_id')
2068
# Inlining the cache lookups helps a lot when you make 170,000
2069
# lines and 350k ids, versus 8.4 unique ids.
2070
# Using a cache helps in 2 ways:
2071
# 1) Avoids unnecessary decoding calls
2072
# 2) Re-uses cached strings, which helps in future set and
2074
# (2) is enough that removing encoding entirely along with
2075
# the cache (so we are using plain strings) results in no
2076
# performance improvement.
2078
revision_id = unescape_revid_cache[revision_id]
2080
unescaped = unescape(revision_id)
2081
unescape_revid_cache[revision_id] = unescaped
2082
revision_id = unescaped
2084
# Note that unconditionally unescaping means that we deserialise
2085
# every fileid, which for general 'pull' is not great, but we don't
2086
# really want to have some many fulltexts that this matters anyway.
2089
file_id = unescape_fileid_cache[file_id]
2091
unescaped = unescape(file_id)
2092
unescape_fileid_cache[file_id] = unescaped
2095
key = (file_id, revision_id)
2096
setdefault(key, False)
2097
if revision_id == line_key[-1]:
2101
2059
def _inventory_xml_lines_for_keys(self, keys):
2102
2060
"""Get a line iterator of the sort needed for findind references.
2816
2765
except UnicodeDecodeError:
2817
2766
raise errors.NonAsciiRevisionId(method, self)
2819
def revision_graph_can_have_wrong_parents(self):
2820
"""Is it possible for this repository to have a revision graph with
2823
If True, then this repository must also implement
2824
_find_inconsistent_revision_parents so that check and reconcile can
2825
check for inconsistencies before proceeding with other checks that may
2826
depend on the revision index being consistent.
2828
raise NotImplementedError(self.revision_graph_can_have_wrong_parents)
2831
# remove these delegates a while after bzr 0.15
2832
def __make_delegated(name, from_module):
2833
def _deprecated_repository_forwarder():
2834
symbol_versioning.warn('%s moved to %s in bzr 0.15'
2835
% (name, from_module),
2838
m = __import__(from_module, globals(), locals(), [name])
2840
return getattr(m, name)
2841
except AttributeError:
2842
raise AttributeError('module %s has no name %s'
2844
globals()[name] = _deprecated_repository_forwarder
2847
'AllInOneRepository',
2848
'WeaveMetaDirRepository',
2849
'PreSplitOutRepositoryFormat',
2850
'RepositoryFormat4',
2851
'RepositoryFormat5',
2852
'RepositoryFormat6',
2853
'RepositoryFormat7',
2855
__make_delegated(_name, 'bzrlib.repofmt.weaverepo')
2859
'RepositoryFormatKnit',
2860
'RepositoryFormatKnit1',
2862
__make_delegated(_name, 'bzrlib.repofmt.knitrepo')
2865
2769
def install_revision(repository, rev, revision_tree):
2866
2770
"""Install all revision data into a repository."""
3271
3206
return self.get_format_string()
3274
# Pre-0.8 formats that don't have a disk format string (because they are
3275
# versioned by the matching control directory). We use the control directories
3276
# disk format string as a key for the network_name because they meet the
3277
# constraints (simple string, unique, immutable).
3278
network_format_registry.register_lazy(
3279
"Bazaar-NG branch, format 5\n",
3280
'bzrlib.repofmt.weaverepo',
3281
'RepositoryFormat5',
3283
network_format_registry.register_lazy(
3284
"Bazaar-NG branch, format 6\n",
3285
'bzrlib.repofmt.weaverepo',
3286
'RepositoryFormat6',
3289
3209
# formats which have no format string are not discoverable or independently
3290
3210
# creatable on disk, so are not registered in format_registry. They're
3291
# all in bzrlib.repofmt.weaverepo now. When an instance of one of these is
3211
# all in bzrlib.repofmt.knitreponow. When an instance of one of these is
3292
3212
# needed, it's constructed directly by the BzrDir. Non-native formats where
3293
3213
# the repository is not separately opened are similar.
3295
3215
format_registry.register_lazy(
3296
'Bazaar-NG Repository format 7',
3297
'bzrlib.repofmt.weaverepo',
3301
format_registry.register_lazy(
3302
3216
'Bazaar-NG Knit Repository Format 1',
3303
3217
'bzrlib.repofmt.knitrepo',
3304
3218
'RepositoryFormatKnit1',
3321
3235
# NOTE: These are experimental in 0.92. Stable in 1.0 and above
3322
3236
format_registry.register_lazy(
3323
3237
'Bazaar pack repository format 1 (needs bzr 0.92)\n',
3324
'bzrlib.repofmt.pack_repo',
3238
'bzrlib.repofmt.knitpack_repo',
3325
3239
'RepositoryFormatKnitPack1',
3327
3241
format_registry.register_lazy(
3328
3242
'Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n',
3329
'bzrlib.repofmt.pack_repo',
3243
'bzrlib.repofmt.knitpack_repo',
3330
3244
'RepositoryFormatKnitPack3',
3332
3246
format_registry.register_lazy(
3333
3247
'Bazaar pack repository format 1 with rich root (needs bzr 1.0)\n',
3334
'bzrlib.repofmt.pack_repo',
3248
'bzrlib.repofmt.knitpack_repo',
3335
3249
'RepositoryFormatKnitPack4',
3337
3251
format_registry.register_lazy(
3338
3252
'Bazaar RepositoryFormatKnitPack5 (bzr 1.6)\n',
3339
'bzrlib.repofmt.pack_repo',
3253
'bzrlib.repofmt.knitpack_repo',
3340
3254
'RepositoryFormatKnitPack5',
3342
3256
format_registry.register_lazy(
3343
3257
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6.1)\n',
3344
'bzrlib.repofmt.pack_repo',
3258
'bzrlib.repofmt.knitpack_repo',
3345
3259
'RepositoryFormatKnitPack5RichRoot',
3347
3261
format_registry.register_lazy(
3348
3262
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6)\n',
3349
'bzrlib.repofmt.pack_repo',
3263
'bzrlib.repofmt.knitpack_repo',
3350
3264
'RepositoryFormatKnitPack5RichRootBroken',
3352
3266
format_registry.register_lazy(
3353
3267
'Bazaar RepositoryFormatKnitPack6 (bzr 1.9)\n',
3354
'bzrlib.repofmt.pack_repo',
3268
'bzrlib.repofmt.knitpack_repo',
3355
3269
'RepositoryFormatKnitPack6',
3357
3271
format_registry.register_lazy(
3358
3272
'Bazaar RepositoryFormatKnitPack6RichRoot (bzr 1.9)\n',
3359
'bzrlib.repofmt.pack_repo',
3273
'bzrlib.repofmt.knitpack_repo',
3360
3274
'RepositoryFormatKnitPack6RichRoot',
3276
format_registry.register_lazy(
3277
'Bazaar repository format 2a (needs bzr 1.16 or later)\n',
3278
'bzrlib.repofmt.groupcompress_repo',
3279
'RepositoryFormat2a',
3363
3282
# Development formats.
3364
# Obsolete but kept pending a CHK based subtree format.
3283
# Check their docstrings to see if/when they are obsolete.
3365
3284
format_registry.register_lazy(
3366
3285
("Bazaar development format 2 with subtree support "
3367
3286
"(needs bzr.dev from before 1.8)\n"),
3368
'bzrlib.repofmt.pack_repo',
3287
'bzrlib.repofmt.knitpack_repo',
3369
3288
'RepositoryFormatPackDevelopment2Subtree',
3372
# 1.14->1.16 go below here
3373
format_registry.register_lazy(
3374
'Bazaar development format - group compression and chk inventory'
3375
' (needs bzr.dev from 1.14)\n',
3376
'bzrlib.repofmt.groupcompress_repo',
3377
'RepositoryFormatCHK1',
3380
format_registry.register_lazy(
3381
'Bazaar development format - chk repository with bencode revision '
3382
'serialization (needs bzr.dev from 1.16)\n',
3383
'bzrlib.repofmt.groupcompress_repo',
3384
'RepositoryFormatCHK2',
3386
format_registry.register_lazy(
3387
'Bazaar repository format 2a (needs bzr 1.16 or later)\n',
3388
'bzrlib.repofmt.groupcompress_repo',
3389
'RepositoryFormat2a',
3290
format_registry.register_lazy(
3291
'Bazaar development format 8\n',
3292
'bzrlib.repofmt.groupcompress_repo',
3293
'RepositoryFormat2aSubtree',
3500
3407
return searcher.get_result()
3502
3409
@needs_read_lock
3503
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
3410
def search_missing_revision_ids(self,
3411
revision_id=symbol_versioning.DEPRECATED_PARAMETER,
3412
find_ghosts=True, revision_ids=None, if_present_ids=None):
3504
3413
"""Return the revision ids that source has that target does not.
3506
3415
:param revision_id: only return revision ids included by this
3417
:param revision_ids: return revision ids included by these
3418
revision_ids. NoSuchRevision will be raised if any of these
3419
revisions are not present.
3420
:param if_present_ids: like revision_ids, but will not cause
3421
NoSuchRevision if any of these are absent, instead they will simply
3422
not be in the result. This is useful for e.g. finding revisions
3423
to fetch for tags, which may reference absent revisions.
3508
3424
:param find_ghosts: If True find missing revisions in deep history
3509
3425
rather than just finding the surface difference.
3510
3426
:return: A bzrlib.graph.SearchResult.
3428
if symbol_versioning.deprecated_passed(revision_id):
3429
symbol_versioning.warn(
3430
'search_missing_revision_ids(revision_id=...) was '
3431
'deprecated in 2.4. Use revision_ids=[...] instead.',
3432
DeprecationWarning, stacklevel=2)
3433
if revision_ids is not None:
3434
raise AssertionError(
3435
'revision_ids is mutually exclusive with revision_id')
3436
if revision_id is not None:
3437
revision_ids = [revision_id]
3512
3439
# stop searching at found target revisions.
3513
if not find_ghosts and revision_id is not None:
3514
return self._walk_to_common_revisions([revision_id])
3440
if not find_ghosts and (revision_ids is not None or if_present_ids is
3442
return self._walk_to_common_revisions(revision_ids,
3443
if_present_ids=if_present_ids)
3515
3444
# generic, possibly worst case, slow code path.
3516
3445
target_ids = set(self.target.all_revision_ids())
3517
if revision_id is not None:
3518
source_ids = self.source.get_ancestry(revision_id)
3519
if source_ids[0] is not None:
3520
raise AssertionError()
3523
source_ids = self.source.all_revision_ids()
3446
source_ids = self._present_source_revisions_for(
3447
revision_ids, if_present_ids)
3524
3448
result_set = set(source_ids).difference(target_ids)
3525
3449
return self.source.revision_ids_to_search_result(result_set)
3451
def _present_source_revisions_for(self, revision_ids, if_present_ids=None):
3452
"""Returns set of all revisions in ancestry of revision_ids present in
3455
:param revision_ids: if None, all revisions in source are returned.
3456
:param if_present_ids: like revision_ids, but if any/all of these are
3457
absent no error is raised.
3459
if revision_ids is not None or if_present_ids is not None:
3460
# First, ensure all specified revisions exist. Callers expect
3461
# NoSuchRevision when they pass absent revision_ids here.
3462
if revision_ids is None:
3463
revision_ids = set()
3464
if if_present_ids is None:
3465
if_present_ids = set()
3466
revision_ids = set(revision_ids)
3467
if_present_ids = set(if_present_ids)
3468
all_wanted_ids = revision_ids.union(if_present_ids)
3469
graph = self.source.get_graph()
3470
present_revs = set(graph.get_parent_map(all_wanted_ids))
3471
missing = revision_ids.difference(present_revs)
3473
raise errors.NoSuchRevision(self.source, missing.pop())
3474
found_ids = all_wanted_ids.intersection(present_revs)
3475
source_ids = [rev_id for (rev_id, parents) in
3476
graph.iter_ancestry(found_ids)
3477
if rev_id != _mod_revision.NULL_REVISION
3478
and parents is not None]
3480
source_ids = self.source.all_revision_ids()
3481
return set(source_ids)
3528
3484
def _same_model(source, target):
3529
3485
"""True if source and target have the same data representation.
3570
3526
return InterRepository._same_model(source, target)
3573
class InterWeaveRepo(InterSameDataRepository):
3574
"""Optimised code paths between Weave based repositories.
3576
This should be in bzrlib/repofmt/weaverepo.py but we have not yet
3577
implemented lazy inter-object optimisation.
3581
def _get_repo_format_to_test(self):
3582
from bzrlib.repofmt import weaverepo
3583
return weaverepo.RepositoryFormat7()
3586
def is_compatible(source, target):
3587
"""Be compatible with known Weave formats.
3589
We don't test for the stores being of specific types because that
3590
could lead to confusing results, and there is no need to be
3593
from bzrlib.repofmt.weaverepo import (
3599
return (isinstance(source._format, (RepositoryFormat5,
3601
RepositoryFormat7)) and
3602
isinstance(target._format, (RepositoryFormat5,
3604
RepositoryFormat7)))
3605
except AttributeError:
3609
def copy_content(self, revision_id=None):
3610
"""See InterRepository.copy_content()."""
3611
# weave specific optimised path:
3613
self.target.set_make_working_trees(self.source.make_working_trees())
3614
except (errors.RepositoryUpgradeRequired, NotImplemented):
3616
# FIXME do not peek!
3617
if self.source._transport.listable():
3618
pb = ui.ui_factory.nested_progress_bar()
3620
self.target.texts.insert_record_stream(
3621
self.source.texts.get_record_stream(
3622
self.source.texts.keys(), 'topological', False))
3623
pb.update('Copying inventory', 0, 1)
3624
self.target.inventories.insert_record_stream(
3625
self.source.inventories.get_record_stream(
3626
self.source.inventories.keys(), 'topological', False))
3627
self.target.signatures.insert_record_stream(
3628
self.source.signatures.get_record_stream(
3629
self.source.signatures.keys(),
3631
self.target.revisions.insert_record_stream(
3632
self.source.revisions.get_record_stream(
3633
self.source.revisions.keys(),
3634
'topological', True))
3638
self.target.fetch(self.source, revision_id=revision_id)
3641
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
3642
"""See InterRepository.missing_revision_ids()."""
3643
# we want all revisions to satisfy revision_id in source.
3644
# but we don't want to stat every file here and there.
3645
# we want then, all revisions other needs to satisfy revision_id
3646
# checked, but not those that we have locally.
3647
# so the first thing is to get a subset of the revisions to
3648
# satisfy revision_id in source, and then eliminate those that
3649
# we do already have.
3650
# this is slow on high latency connection to self, but as this
3651
# disk format scales terribly for push anyway due to rewriting
3652
# inventory.weave, this is considered acceptable.
3654
if revision_id is not None:
3655
source_ids = self.source.get_ancestry(revision_id)
3656
if source_ids[0] is not None:
3657
raise AssertionError()
3660
source_ids = self.source._all_possible_ids()
3661
source_ids_set = set(source_ids)
3662
# source_ids is the worst possible case we may need to pull.
3663
# now we want to filter source_ids against what we actually
3664
# have in target, but don't try to check for existence where we know
3665
# we do not have a revision as that would be pointless.
3666
target_ids = set(self.target._all_possible_ids())
3667
possibly_present_revisions = target_ids.intersection(source_ids_set)
3668
actually_present_revisions = set(
3669
self.target._eliminate_revisions_not_present(possibly_present_revisions))
3670
required_revisions = source_ids_set.difference(actually_present_revisions)
3671
if revision_id is not None:
3672
# we used get_ancestry to determine source_ids then we are assured all
3673
# revisions referenced are present as they are installed in topological order.
3674
# and the tip revision was validated by get_ancestry.
3675
result_set = required_revisions
3677
# if we just grabbed the possibly available ids, then
3678
# we only have an estimate of whats available and need to validate
3679
# that against the revision records.
3681
self.source._eliminate_revisions_not_present(required_revisions))
3682
return self.source.revision_ids_to_search_result(result_set)
3685
class InterKnitRepo(InterSameDataRepository):
3686
"""Optimised code paths between Knit based repositories."""
3689
def _get_repo_format_to_test(self):
3690
from bzrlib.repofmt import knitrepo
3691
return knitrepo.RepositoryFormatKnit1()
3694
def is_compatible(source, target):
3695
"""Be compatible with known Knit formats.
3697
We don't test for the stores being of specific types because that
3698
could lead to confusing results, and there is no need to be
3701
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit
3703
are_knits = (isinstance(source._format, RepositoryFormatKnit) and
3704
isinstance(target._format, RepositoryFormatKnit))
3705
except AttributeError:
3707
return are_knits and InterRepository._same_model(source, target)
3710
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
3711
"""See InterRepository.missing_revision_ids()."""
3712
if revision_id is not None:
3713
source_ids = self.source.get_ancestry(revision_id)
3714
if source_ids[0] is not None:
3715
raise AssertionError()
3718
source_ids = self.source.all_revision_ids()
3719
source_ids_set = set(source_ids)
3720
# source_ids is the worst possible case we may need to pull.
3721
# now we want to filter source_ids against what we actually
3722
# have in target, but don't try to check for existence where we know
3723
# we do not have a revision as that would be pointless.
3724
target_ids = set(self.target.all_revision_ids())
3725
possibly_present_revisions = target_ids.intersection(source_ids_set)
3726
actually_present_revisions = set(
3727
self.target._eliminate_revisions_not_present(possibly_present_revisions))
3728
required_revisions = source_ids_set.difference(actually_present_revisions)
3729
if revision_id is not None:
3730
# we used get_ancestry to determine source_ids then we are assured all
3731
# revisions referenced are present as they are installed in topological order.
3732
# and the tip revision was validated by get_ancestry.
3733
result_set = required_revisions
3735
# if we just grabbed the possibly available ids, then
3736
# we only have an estimate of whats available and need to validate
3737
# that against the revision records.
3739
self.source._eliminate_revisions_not_present(required_revisions))
3740
return self.source.revision_ids_to_search_result(result_set)
3743
3529
class InterDifferingSerializer(InterRepository):
4283
4022
is_resume = False
4285
4024
# locked_insert_stream performs a commit|suspend.
4286
return self._locked_insert_stream(stream, src_format, is_resume)
4025
missing_keys = self.insert_stream_without_locking(stream,
4026
src_format, is_resume)
4028
# suspend the write group and tell the caller what we is
4029
# missing. We know we can suspend or else we would not have
4030
# entered this code path. (All repositories that can handle
4031
# missing keys can handle suspending a write group).
4032
write_group_tokens = self.target_repo.suspend_write_group()
4033
return write_group_tokens, missing_keys
4034
hint = self.target_repo.commit_write_group()
4035
to_serializer = self.target_repo._format._serializer
4036
src_serializer = src_format._serializer
4037
if (to_serializer != src_serializer and
4038
self.target_repo._format.pack_compresses):
4039
self.target_repo.pack(hint=hint)
4288
4042
self.target_repo.abort_write_group(suppress_errors=True)
4291
4045
self.target_repo.unlock()
4293
def _locked_insert_stream(self, stream, src_format, is_resume):
4047
def insert_stream_without_locking(self, stream, src_format,
4049
"""Insert a stream's content into the target repository.
4051
This assumes that you already have a locked repository and an active
4054
:param src_format: a bzr repository format.
4055
:param is_resume: Passed down to get_missing_parent_inventories to
4056
indicate if we should be checking for missing texts at the same
4059
:return: A set of keys that are missing.
4061
if not self.target_repo.is_write_locked():
4062
raise errors.ObjectNotLocked(self)
4063
if not self.target_repo.is_in_write_group():
4064
raise errors.BzrError('you must already be in a write group')
4294
4065
to_serializer = self.target_repo._format._serializer
4295
4066
src_serializer = src_format._serializer
4296
4067
new_pack = None