1306
1293
self._reconcile_does_inventory_gc = True
1307
1294
self._reconcile_fixes_text_parents = False
1308
1295
self._reconcile_backsup_inventory = True
1296
# not right yet - should be more semantically clear ?
1298
# TODO: make sure to construct the right store classes, etc, depending
1299
# on whether escaping is required.
1300
self._warn_if_deprecated()
1309
1301
self._write_group = None
1310
1302
# Additional places to query for data.
1311
1303
self._fallback_repositories = []
1312
1304
# An InventoryEntry cache, used during deserialization
1313
1305
self._inventory_entry_cache = fifo_cache.FIFOCache(10*1024)
1314
# Is it safe to return inventory entries directly from the entry cache,
1315
# rather copying them?
1316
self._safe_to_return_from_cache = False
1319
def user_transport(self):
1320
return self.bzrdir.user_transport
1323
def control_transport(self):
1324
return self._transport
1326
1307
def __repr__(self):
1327
1308
if self._fallback_repositories:
1507
1487
except errors.NoRepositoryPresent:
1510
return False, ([], repository)
1490
return False, (None, repository)
1511
1491
self.first_call = False
1512
value = (bzrdir.list_branches(), None)
1493
value = (bzrdir.open_branch(), None)
1494
except errors.NotBranchError:
1495
value = (None, None)
1513
1496
return True, value
1516
for branches, repository in bzrdir.BzrDir.find_bzrdirs(
1517
self.user_transport, evaluate=Evaluator()):
1518
if branches is not None:
1519
ret.extend(branches)
1499
for branch, repository in bzrdir.BzrDir.find_bzrdirs(
1500
self.bzrdir.root_transport, evaluate=Evaluator()):
1501
if branch is not None:
1502
branches.append(branch)
1520
1503
if not using and repository is not None:
1521
ret.extend(repository.find_branches())
1504
branches.extend(repository.find_branches())
1524
1507
@needs_read_lock
1525
1508
def search_missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
1903
1885
rev = self._serializer.read_revision_from_string(text)
1904
1886
yield (revid, rev)
1889
def get_revision_xml(self, revision_id):
1890
# TODO: jam 20070210 This shouldn't be necessary since get_revision
1891
# would have already do it.
1892
# TODO: jam 20070210 Just use _serializer.write_revision_to_string()
1893
# TODO: this can't just be replaced by:
1894
# return self._serializer.write_revision_to_string(
1895
# self.get_revision(revision_id))
1896
# as cStringIO preservers the encoding unlike write_revision_to_string
1897
# or some other call down the path.
1898
rev = self.get_revision(revision_id)
1899
rev_tmp = cStringIO.StringIO()
1900
# the current serializer..
1901
self._serializer.write_revision(rev, rev_tmp)
1903
return rev_tmp.getvalue()
1906
1905
def get_deltas_for_revisions(self, revisions, specific_fileids=None):
1907
1906
"""Produce a generator of revision deltas.
2407
2410
next_key = None
2410
def _deserialise_inventory(self, revision_id, xml):
2413
def deserialise_inventory(self, revision_id, xml):
2411
2414
"""Transform the xml into an inventory object.
2413
2416
:param revision_id: The expected revision id of the inventory.
2414
2417
:param xml: A serialised inventory.
2416
2419
result = self._serializer.read_inventory_from_string(xml, revision_id,
2417
entry_cache=self._inventory_entry_cache,
2418
return_from_cache=self._safe_to_return_from_cache)
2420
entry_cache=self._inventory_entry_cache)
2419
2421
if result.revision_id != revision_id:
2420
2422
raise AssertionError('revision id mismatch %s != %s' % (
2421
2423
result.revision_id, revision_id))
2426
def serialise_inventory(self, inv):
2427
return self._serializer.write_inventory_to_string(inv)
2429
def _serialise_inventory_to_lines(self, inv):
2430
return self._serializer.write_inventory_to_lines(inv)
2424
2432
def get_serializer_format(self):
2425
2433
return self._serializer.format_num
2427
2435
@needs_read_lock
2428
def _get_inventory_xml(self, revision_id):
2429
"""Get serialized inventory as a string."""
2436
def get_inventory_xml(self, revision_id):
2437
"""Get inventory XML as a file object."""
2430
2438
texts = self._iter_inventory_xmls([revision_id], 'unordered')
2432
2440
text, revision_id = texts.next()
2491
2505
next_id = parents[0]
2508
def get_revision_inventory(self, revision_id):
2509
"""Return inventory of a past revision."""
2510
# TODO: Unify this with get_inventory()
2511
# bzr 0.0.6 and later imposes the constraint that the inventory_id
2512
# must be the same as its revision, so this is trivial.
2513
if revision_id is None:
2514
# This does not make sense: if there is no revision,
2515
# then it is the current tree inventory surely ?!
2516
# and thus get_root_id() is something that looks at the last
2517
# commit on the branch, and the get_root_id is an inventory check.
2518
raise NotImplementedError
2519
# return Inventory(self.get_root_id())
2521
return self.get_inventory(revision_id)
2493
2523
def is_shared(self):
2494
2524
"""Return True if this repository is flagged as a shared repository."""
2495
2525
raise NotImplementedError(self.is_shared)
2746
2764
result.check(callback_refs)
2749
def _warn_if_deprecated(self, branch=None):
2767
def _warn_if_deprecated(self):
2750
2768
global _deprecation_warning_done
2751
2769
if _deprecation_warning_done:
2755
conf = config.GlobalConfig()
2757
conf = branch.get_config()
2758
if conf.suppress_warning('format_deprecation'):
2760
warning("Format %s for %s is deprecated -"
2761
" please use 'bzr upgrade' to get better performance"
2762
% (self._format, self.bzrdir.transport.base))
2764
_deprecation_warning_done = True
2771
_deprecation_warning_done = True
2772
warning("Format %s for %s is deprecated - please use 'bzr upgrade' to get better performance"
2773
% (self._format, self.bzrdir.transport.base))
2766
2775
def supports_rich_root(self):
2767
2776
return self._format.rich_root_data
3398
3394
:param revision_id: if None all content is copied, if NULL_REVISION no
3399
3395
content is copied.
3396
:param pb: optional progress bar to use for progress reports. If not
3397
provided a default one will be created.
3403
ui.ui_factory.warn_experimental_format_fetch(self)
3404
3400
from bzrlib.fetch import RepoFetcher
3405
# See <https://launchpad.net/bugs/456077> asking for a warning here
3406
if self.source._format.network_name() != self.target._format.network_name():
3407
ui.ui_factory.show_user_warning('cross_format_fetch',
3408
from_format=self.source._format,
3409
to_format=self.target._format)
3410
3401
f = RepoFetcher(to_repository=self.target,
3411
3402
from_repository=self.source,
3412
3403
last_revision=revision_id,
3413
3404
fetch_spec=fetch_spec,
3414
find_ghosts=find_ghosts)
3405
pb=pb, find_ghosts=find_ghosts)
3416
3407
def _walk_to_common_revisions(self, revision_ids):
3417
3408
"""Walk out from revision_ids in source to revisions target has.
3742
def _get_trees(self, revision_ids, cache):
3744
for rev_id in revision_ids:
3746
possible_trees.append((rev_id, cache[rev_id]))
3748
# Not cached, but inventory might be present anyway.
3750
tree = self.source.revision_tree(rev_id)
3751
except errors.NoSuchRevision:
3752
# Nope, parent is ghost.
3755
cache[rev_id] = tree
3756
possible_trees.append((rev_id, tree))
3757
return possible_trees
3759
def _get_delta_for_revision(self, tree, parent_ids, possible_trees):
3733
def _get_delta_for_revision(self, tree, parent_ids, basis_id, cache):
3760
3734
"""Get the best delta and base for this revision.
3762
3736
:return: (basis_id, delta)
3738
possible_trees = [(parent_id, cache[parent_id])
3739
for parent_id in parent_ids
3740
if parent_id in cache]
3741
if len(possible_trees) == 0:
3742
# There either aren't any parents, or the parents aren't in the
3743
# cache, so just use the last converted tree
3744
possible_trees.append((basis_id, cache[basis_id]))
3765
# Generate deltas against each tree, to find the shortest.
3766
texts_possibly_new_in_tree = set()
3767
3746
for basis_id, basis_tree in possible_trees:
3768
3747
delta = tree.inventory._make_delta(basis_tree.inventory)
3769
for old_path, new_path, file_id, new_entry in delta:
3770
if new_path is None:
3771
# This file_id isn't present in the new rev, so we don't
3775
# Rich roots are handled elsewhere...
3777
kind = new_entry.kind
3778
if kind != 'directory' and kind != 'file':
3779
# No text record associated with this inventory entry.
3781
# This is a directory or file that has changed somehow.
3782
texts_possibly_new_in_tree.add((file_id, new_entry.revision))
3783
3748
deltas.append((len(delta), basis_id, delta))
3785
3750
return deltas[0][1:]
3787
def _fetch_parent_invs_for_stacking(self, parent_map, cache):
3788
"""Find all parent revisions that are absent, but for which the
3789
inventory is present, and copy those inventories.
3791
This is necessary to preserve correctness when the source is stacked
3792
without fallbacks configured. (Note that in cases like upgrade the
3793
source may be not have _fallback_repositories even though it is
3797
for parents in parent_map.values():
3798
parent_revs.update(parents)
3799
present_parents = self.source.get_parent_map(parent_revs)
3800
absent_parents = set(parent_revs).difference(present_parents)
3801
parent_invs_keys_for_stacking = self.source.inventories.get_parent_map(
3802
(rev_id,) for rev_id in absent_parents)
3803
parent_inv_ids = [key[-1] for key in parent_invs_keys_for_stacking]
3804
for parent_tree in self.source.revision_trees(parent_inv_ids):
3805
current_revision_id = parent_tree.get_revision_id()
3806
parents_parents_keys = parent_invs_keys_for_stacking[
3807
(current_revision_id,)]
3808
parents_parents = [key[-1] for key in parents_parents_keys]
3809
basis_id = _mod_revision.NULL_REVISION
3810
basis_tree = self.source.revision_tree(basis_id)
3811
delta = parent_tree.inventory._make_delta(basis_tree.inventory)
3812
self.target.add_inventory_by_delta(
3813
basis_id, delta, current_revision_id, parents_parents)
3814
cache[current_revision_id] = parent_tree
3816
def _fetch_batch(self, revision_ids, basis_id, cache, a_graph=None):
3752
def _fetch_batch(self, revision_ids, basis_id, cache):
3817
3753
"""Fetch across a few revisions.
3819
3755
:param revision_ids: The revisions to copy
3820
3756
:param basis_id: The revision_id of a tree that must be in cache, used
3821
3757
as a basis for delta when no other base is available
3822
3758
:param cache: A cache of RevisionTrees that we can use.
3823
:param a_graph: A Graph object to determine the heads() of the
3824
rich-root data stream.
3825
3759
:return: The revision_id of the last converted tree. The RevisionTree
3826
3760
for it will be in cache
3833
3767
pending_deltas = []
3834
3768
pending_revisions = []
3835
3769
parent_map = self.source.get_parent_map(revision_ids)
3836
self._fetch_parent_invs_for_stacking(parent_map, cache)
3837
self.source._safe_to_return_from_cache = True
3838
3770
for tree in self.source.revision_trees(revision_ids):
3839
# Find a inventory delta for this revision.
3840
# Find text entries that need to be copied, too.
3841
3771
current_revision_id = tree.get_revision_id()
3842
3772
parent_ids = parent_map.get(current_revision_id, ())
3843
parent_trees = self._get_trees(parent_ids, cache)
3844
possible_trees = list(parent_trees)
3845
if len(possible_trees) == 0:
3846
# There either aren't any parents, or the parents are ghosts,
3847
# so just use the last converted tree.
3848
possible_trees.append((basis_id, cache[basis_id]))
3849
3773
basis_id, delta = self._get_delta_for_revision(tree, parent_ids,
3851
revision = self.source.get_revision(current_revision_id)
3852
pending_deltas.append((basis_id, delta,
3853
current_revision_id, revision.parent_ids))
3854
3775
if self._converting_to_rich_root:
3855
3776
self._revision_id_to_root_id[current_revision_id] = \
3856
3777
tree.get_root_id()
3857
# Determine which texts are in present in this revision but not in
3858
# any of the available parents.
3859
texts_possibly_new_in_tree = set()
3778
# Find text entries that need to be copied
3860
3779
for old_path, new_path, file_id, entry in delta:
3861
if new_path is None:
3862
# This file_id isn't present in the new rev
3866
if not self.target.supports_rich_root():
3867
# The target doesn't support rich root, so we don't
3870
if self._converting_to_rich_root:
3871
# This can't be copied normally, we have to insert
3873
root_keys_to_create.add((file_id, entry.revision))
3876
texts_possibly_new_in_tree.add((file_id, entry.revision))
3877
for basis_id, basis_tree in possible_trees:
3878
basis_inv = basis_tree.inventory
3879
for file_key in list(texts_possibly_new_in_tree):
3880
file_id, file_revision = file_key
3882
entry = basis_inv[file_id]
3883
except errors.NoSuchId:
3885
if entry.revision == file_revision:
3886
texts_possibly_new_in_tree.remove(file_key)
3887
text_keys.update(texts_possibly_new_in_tree)
3780
if new_path is not None:
3783
if not self.target.supports_rich_root():
3784
# The target doesn't support rich root, so we don't
3787
if self._converting_to_rich_root:
3788
# This can't be copied normally, we have to insert
3790
root_keys_to_create.add((file_id, entry.revision))
3792
text_keys.add((file_id, entry.revision))
3793
revision = self.source.get_revision(current_revision_id)
3794
pending_deltas.append((basis_id, delta,
3795
current_revision_id, revision.parent_ids))
3888
3796
pending_revisions.append(revision)
3889
3797
cache[current_revision_id] = tree
3890
3798
basis_id = current_revision_id
3891
self.source._safe_to_return_from_cache = False
3892
3799
# Copy file texts
3893
3800
from_texts = self.source.texts
3894
3801
to_texts = self.target.texts
3895
3802
if root_keys_to_create:
3896
root_stream = _mod_fetch._new_root_data_stream(
3803
from bzrlib.fetch import _new_root_data_stream
3804
root_stream = _new_root_data_stream(
3897
3805
root_keys_to_create, self._revision_id_to_root_id, parent_map,
3898
self.source, graph=a_graph)
3899
3807
to_texts.insert_record_stream(root_stream)
3900
3808
to_texts.insert_record_stream(from_texts.get_record_stream(
3901
3809
text_keys, self.target._format._fetch_order,
3923
3831
for parent_tree in self.source.revision_trees(parent_map):
3924
3832
current_revision_id = parent_tree.get_revision_id()
3925
3833
parents_parents = parent_map[current_revision_id]
3926
possible_trees = self._get_trees(parents_parents, cache)
3927
if len(possible_trees) == 0:
3928
# There either aren't any parents, or the parents are
3929
# ghosts, so just use the last converted tree.
3930
possible_trees.append((basis_id, cache[basis_id]))
3931
3834
basis_id, delta = self._get_delta_for_revision(parent_tree,
3932
parents_parents, possible_trees)
3835
parents_parents, basis_id, cache)
3933
3836
self.target.add_inventory_by_delta(
3934
3837
basis_id, delta, current_revision_id, parents_parents)
3935
3838
# insert signatures and revisions
3958
3861
cache[basis_id] = basis_tree
3959
3862
del basis_tree # We don't want to hang on to it here
3961
if self._converting_to_rich_root and len(revision_ids) > 100:
3962
a_graph = _mod_fetch._get_rich_root_heads_graph(self.source,
3967
3864
for offset in range(0, len(revision_ids), batch_size):
3968
3865
self.target.start_write_group()
3970
3867
pb.update('Transferring revisions', offset,
3971
3868
len(revision_ids))
3972
3869
batch = revision_ids[offset:offset+batch_size]
3973
basis_id = self._fetch_batch(batch, basis_id, cache,
3870
basis_id = self._fetch_batch(batch, basis_id, cache)
3976
self.source._safe_to_return_from_cache = False
3977
3872
self.target.abort_write_group()
3991
3886
"""See InterRepository.fetch()."""
3992
3887
if fetch_spec is not None:
3993
3888
raise AssertionError("Not implemented yet...")
3994
ui.ui_factory.warn_experimental_format_fetch(self)
3995
3889
if (not self.source.supports_rich_root()
3996
3890
and self.target.supports_rich_root()):
3997
3891
self._converting_to_rich_root = True
3998
3892
self._revision_id_to_root_id = {}
4000
3894
self._converting_to_rich_root = False
4001
# See <https://launchpad.net/bugs/456077> asking for a warning here
4002
if self.source._format.network_name() != self.target._format.network_name():
4003
ui.ui_factory.show_user_warning('cross_format_fetch',
4004
from_format=self.source._format,
4005
to_format=self.target._format)
4006
3895
revision_ids = self.target.search_missing_revision_ids(self.source,
4007
3896
revision_id, find_ghosts=find_ghosts).get_keys()
4008
3897
if not revision_ids:
4077
3966
:param to_convert: The disk object to convert.
4078
3967
:param pb: a progress bar to use for progress information.
4080
pb = ui.ui_factory.nested_progress_bar()
4083
3972
# this is only useful with metadir layouts - separated repo content.
4084
3973
# trigger an assertion if not such
4085
3974
repo._format.get_format_string()
4086
3975
self.repo_dir = repo.bzrdir
4087
pb.update('Moving repository to repository.backup')
3976
self.step('Moving repository to repository.backup')
4088
3977
self.repo_dir.transport.move('repository', 'repository.backup')
4089
3978
backup_transport = self.repo_dir.transport.clone('repository.backup')
4090
3979
repo._format.check_conversion_target(self.target_format)
4091
3980
self.source_repo = repo._format.open(self.repo_dir,
4093
3982
_override_transport=backup_transport)
4094
pb.update('Creating new repository')
3983
self.step('Creating new repository')
4095
3984
converted = self.target_format.initialize(self.repo_dir,
4096
3985
self.source_repo.is_shared())
4097
3986
converted.lock_write()
4099
pb.update('Copying content')
3988
self.step('Copying content into repository.')
4100
3989
self.source_repo.copy_content_into(converted)
4102
3991
converted.unlock()
4103
pb.update('Deleting old repository content')
3992
self.step('Deleting old repository content.')
4104
3993
self.repo_dir.transport.delete_tree('repository.backup')
4105
ui.ui_factory.note('repository converted')
3994
self.pb.note('repository converted')
3996
def step(self, message):
3997
"""Update the pb by a step."""
3999
self.pb.update(message, self.count, self.total)
4109
4002
_unescape_map = {
4602
4489
def _get_convertable_inventory_stream(self, revision_ids,
4603
4490
delta_versus_null=False):
4604
# The two formats are sufficiently different that there is no fast
4605
# path, so we need to send just inventorydeltas, which any
4606
# sufficiently modern client can insert into any repository.
4607
# The StreamSink code expects to be able to
4491
# The source is using CHKs, but the target either doesn't or it has a
4492
# different serializer. The StreamSink code expects to be able to
4608
4493
# convert on the target, so we need to put bytes-on-the-wire that can
4609
4494
# be converted. That means inventory deltas (if the remote is <1.19,
4610
4495
# RemoteStreamSink will fallback to VFS to insert the deltas).