94
124
_commit_builder_class = None
95
125
_serializer = None
97
def __init__(self, _format, a_bzrdir, control_files, _revision_store,
98
control_store, text_store, _commit_builder_class, _serializer):
99
MetaDirRepository.__init__(self, _format, a_bzrdir, control_files,
100
_revision_store, control_store, text_store)
127
def __init__(self, _format, a_bzrdir, control_files, _commit_builder_class,
129
MetaDirRepository.__init__(self, _format, a_bzrdir, control_files)
101
130
self._commit_builder_class = _commit_builder_class
102
131
self._serializer = _serializer
103
132
self._reconcile_fixes_text_parents = True
106
135
# This class isn't deprecated
109
def _inventory_add_lines(self, inv_vf, revid, parents, lines, check_content):
110
return inv_vf.add_lines_with_ghosts(revid, parents, lines,
111
check_content=check_content)[0]
114
139
def _all_revision_ids(self):
115
140
"""See Repository.all_revision_ids()."""
116
# Knits get the revision graph from the index of the revision knit, so
117
# it's always possible even if they're on an unlistable transport.
118
return self._revision_store.all_revision_ids(self.get_transaction())
141
return [key[0] for key in self.revisions.keys()]
143
def _activate_new_inventory(self):
144
"""Put a replacement inventory.new into use as inventories."""
145
# Copy the content across
147
t.copy('inventory.new.kndx', 'inventory.kndx')
149
t.copy('inventory.new.knit', 'inventory.knit')
150
except errors.NoSuchFile:
151
# empty inventories knit
152
t.delete('inventory.knit')
153
# delete the temp inventory
154
t.delete('inventory.new.kndx')
156
t.delete('inventory.new.knit')
157
except errors.NoSuchFile:
158
# empty inventories knit
160
# Force index reload (sanity check)
161
self.inventories._index._reset_cache()
162
self.inventories.keys()
164
def _backup_inventory(self):
166
t.copy('inventory.kndx', 'inventory.backup.kndx')
167
t.copy('inventory.knit', 'inventory.backup.knit')
169
def _move_file_id(self, from_id, to_id):
170
t = self._transport.clone('knits')
171
from_rel_url = self.texts._index._mapper.map((from_id, None))
172
to_rel_url = self.texts._index._mapper.map((to_id, None))
173
# We expect both files to always exist in this case.
174
for suffix in ('.knit', '.kndx'):
175
t.rename(from_rel_url + suffix, to_rel_url + suffix)
177
def _remove_file_id(self, file_id):
178
t = self._transport.clone('knits')
179
rel_url = self.texts._index._mapper.map((file_id, None))
180
for suffix in ('.kndx', '.knit'):
182
t.delete(rel_url + suffix)
183
except errors.NoSuchFile:
186
def _temp_inventories(self):
187
result = self._format._get_inventories(self._transport, self,
189
# Reconciling when the output has no revisions would result in no
190
# writes - but we want to ensure there is an inventory for
191
# compatibility with older clients that don't lazy-load.
192
result.get_parent_map([('A',)])
120
195
def fileid_involved_between_revs(self, from_revid, to_revid):
121
196
"""Find file_id(s) which are involved in the changes between revisions.
143
218
return self._fileid_involved_by_set(changed)
146
def get_ancestry(self, revision_id, topo_sorted=True):
147
"""Return a list of revision-ids integrated by a revision.
149
This is topologically sorted, unless 'topo_sorted' is specified as
152
if _mod_revision.is_null(revision_id):
154
vf = self._get_revision_vf()
156
return [None] + vf.get_ancestry(revision_id, topo_sorted)
157
except errors.RevisionNotPresent:
158
raise errors.NoSuchRevision(self, revision_id)
160
@symbol_versioning.deprecated_method(symbol_versioning.one_two)
162
def get_data_stream(self, revision_ids):
163
"""See Repository.get_data_stream.
165
Deprecated in 1.2 for get_data_stream_for_search.
167
search_result = self.revision_ids_to_search_result(set(revision_ids))
168
return self.get_data_stream_for_search(search_result)
171
def get_data_stream_for_search(self, search):
172
"""See Repository.get_data_stream_for_search."""
173
item_keys = self.item_keys_introduced_by(search.get_keys())
174
for knit_kind, file_id, versions in item_keys:
176
if knit_kind == 'file':
177
name = ('file', file_id)
178
knit = self.weave_store.get_weave_or_empty(
179
file_id, self.get_transaction())
180
elif knit_kind == 'inventory':
181
knit = self.get_inventory_weave()
182
elif knit_kind == 'revisions':
183
knit = self._revision_store.get_revision_file(
184
self.get_transaction())
185
elif knit_kind == 'signatures':
186
knit = self._revision_store.get_signature_file(
187
self.get_transaction())
189
raise AssertionError('Unknown knit kind %r' % (knit_kind,))
190
yield name, _get_stream_as_bytes(knit, versions)
193
221
def get_revision(self, revision_id):
194
222
"""Return the Revision object for a named revision"""
195
223
revision_id = osutils.safe_revision_id(revision_id)
196
224
return self.get_revision_reconcile(revision_id)
199
def get_revision_graph(self, revision_id=None):
200
"""Return a dictionary containing the revision graph.
202
:param revision_id: The revision_id to get a graph from. If None, then
203
the entire revision graph is returned. This is a deprecated mode of
204
operation and will be removed in the future.
205
:return: a dictionary of revision_id->revision_parents_list.
207
if 'evil' in debug.debug_flags:
209
"get_revision_graph scales with size of history.")
210
# special case NULL_REVISION
211
if revision_id == _mod_revision.NULL_REVISION:
213
a_weave = self._get_revision_vf()
214
if revision_id is None:
215
return a_weave.get_graph()
216
if revision_id not in a_weave:
217
raise errors.NoSuchRevision(self, revision_id)
219
# add what can be reached from revision_id
220
return a_weave.get_graph([revision_id])
223
@symbol_versioning.deprecated_method(symbol_versioning.one_three)
224
def get_revision_graph_with_ghosts(self, revision_ids=None):
225
"""Return a graph of the revisions with ghosts marked as applicable.
227
:param revision_ids: an iterable of revisions to graph or None for all.
228
:return: a Graph object with the graph reachable from revision_ids.
230
if 'evil' in debug.debug_flags:
232
"get_revision_graph_with_ghosts scales with size of history.")
233
result = deprecated_graph.Graph()
234
vf = self._get_revision_vf()
235
versions = set(vf.versions())
237
pending = set(self.all_revision_ids())
240
pending = set(revision_ids)
241
# special case NULL_REVISION
242
if _mod_revision.NULL_REVISION in pending:
243
pending.remove(_mod_revision.NULL_REVISION)
244
required = set(pending)
247
revision_id = pending.pop()
248
if not revision_id in versions:
249
if revision_id in required:
250
raise errors.NoSuchRevision(self, revision_id)
252
result.add_ghost(revision_id)
253
# mark it as done so we don't try for it again.
254
done.add(revision_id)
256
parent_ids = vf.get_parents_with_ghosts(revision_id)
257
for parent_id in parent_ids:
258
# is this queued or done ?
259
if (parent_id not in pending and
260
parent_id not in done):
262
pending.add(parent_id)
263
result.add_node(revision_id, parent_ids)
264
done.add(revision_id)
267
def _get_revision_vf(self):
268
""":return: a versioned file containing the revisions."""
269
vf = self._revision_store.get_revision_file(self.get_transaction())
272
def _get_history_vf(self):
273
"""Get a versionedfile whose history graph reflects all revisions.
275
For knit repositories, this is the revision knit.
277
return self._get_revision_vf()
279
def has_revisions(self, revision_ids):
280
"""See Repository.has_revisions()."""
282
transaction = self.get_transaction()
283
for revision_id in revision_ids:
284
if self._revision_store.has_revision_id(revision_id, transaction):
285
result.add(revision_id)
288
226
@needs_write_lock
289
227
def reconcile(self, other=None, thorough=False):
290
228
"""Reconcile this repository."""
306
241
:returns: an iterator yielding tuples of (revison-id, parents-in-index,
307
242
parents-in-revision).
309
assert self.is_locked()
310
vf = self._get_revision_vf()
311
for index_version in vf.versions():
312
parents_according_to_index = tuple(vf.get_parents_with_ghosts(
314
revision = self.get_revision(index_version)
244
if not self.is_locked():
245
raise AssertionError()
247
for index_version in vf.keys():
248
parent_map = vf.get_parent_map([index_version])
249
parents_according_to_index = tuple(parent[-1] for parent in
250
parent_map[index_version])
251
revision = self.get_revision(index_version[-1])
315
252
parents_according_to_revision = tuple(revision.parent_ids)
316
253
if parents_according_to_index != parents_according_to_revision:
317
yield (index_version, parents_according_to_index,
254
yield (index_version[-1], parents_according_to_index,
318
255
parents_according_to_revision)
320
257
def _check_for_inconsistent_revision_parents(self):
358
295
# External lookups are not supported in this format.
359
296
supports_external_lookups = False
361
def _get_control_store(self, repo_transport, control_files):
362
"""Return the control store for this repository."""
363
return VersionedFileStore(
366
file_mode=control_files._file_mode,
367
versionedfile_class=knit.KnitVersionedFile,
368
versionedfile_kwargs={'factory':knit.KnitPlainFactory()},
371
def _get_revision_store(self, repo_transport, control_files):
372
"""See RepositoryFormat._get_revision_store()."""
373
versioned_file_store = VersionedFileStore(
375
file_mode=control_files._file_mode,
378
versionedfile_class=knit.KnitVersionedFile,
379
versionedfile_kwargs={'delta':False,
380
'factory':knit.KnitPlainFactory(),
384
return KnitRevisionStore(versioned_file_store)
386
def _get_text_store(self, transport, control_files):
387
"""See RepositoryFormat._get_text_store()."""
388
return self._get_versioned_file_store('knits',
391
versionedfile_class=knit.KnitVersionedFile,
392
versionedfile_kwargs={
393
'create_parent_dir':True,
395
'dir_mode':control_files._dir_mode,
298
def _get_inventories(self, repo_transport, repo, name='inventory'):
299
mapper = ConstantMapper(name)
300
index = _KndxIndex(repo_transport, mapper, repo.get_transaction,
301
repo.is_write_locked, repo.is_locked)
302
access = _KnitKeyAccess(repo_transport, mapper)
303
return KnitVersionedFiles(index, access, annotated=False)
305
def _get_revisions(self, repo_transport, repo):
306
mapper = ConstantMapper('revisions')
307
index = _KndxIndex(repo_transport, mapper, repo.get_transaction,
308
repo.is_write_locked, repo.is_locked)
309
access = _KnitKeyAccess(repo_transport, mapper)
310
return KnitVersionedFiles(index, access, max_delta_chain=0,
313
def _get_signatures(self, repo_transport, repo):
314
mapper = ConstantMapper('signatures')
315
index = _KndxIndex(repo_transport, mapper, repo.get_transaction,
316
repo.is_write_locked, repo.is_locked)
317
access = _KnitKeyAccess(repo_transport, mapper)
318
return KnitVersionedFiles(index, access, max_delta_chain=0,
321
def _get_texts(self, repo_transport, repo):
322
mapper = HashEscapedPrefixMapper()
323
base_transport = repo_transport.clone('knits')
324
index = _KndxIndex(base_transport, mapper, repo.get_transaction,
325
repo.is_write_locked, repo.is_locked)
326
access = _KnitKeyAccess(base_transport, mapper)
327
return KnitVersionedFiles(index, access, max_delta_chain=200,
399
330
def initialize(self, a_bzrdir, shared=False):
400
331
"""Create a knit format 1 repository.
413
344
repo_transport = a_bzrdir.get_repository_transport(None)
414
345
control_files = lockable_files.LockableFiles(repo_transport,
415
346
'lock', lockdir.LockDir)
416
control_store = self._get_control_store(repo_transport, control_files)
417
347
transaction = transactions.WriteTransaction()
418
# trigger a write of the inventory store.
419
control_store.get_weave_or_empty('inventory', transaction)
420
_revision_store = self._get_revision_store(repo_transport, control_files)
348
result = self.open(a_bzrdir=a_bzrdir, _found=True)
421
350
# the revision id here is irrelevant: it will not be stored, and cannot
423
_revision_store.has_revision_id('A', transaction)
424
_revision_store.get_signature_file(transaction)
425
return self.open(a_bzrdir=a_bzrdir, _found=True)
351
# already exist, we do this to create files on disk for older clients.
352
result.inventories.get_parent_map([('A',)])
353
result.revisions.get_parent_map([('A',)])
354
result.signatures.get_parent_map([('A',)])
427
358
def open(self, a_bzrdir, _found=False, _override_transport=None):
428
359
"""See RepositoryFormat.open().
435
366
format = RepositoryFormat.find_format(a_bzrdir)
436
assert format.__class__ == self.__class__
437
367
if _override_transport is not None:
438
368
repo_transport = _override_transport
440
370
repo_transport = a_bzrdir.get_repository_transport(None)
441
371
control_files = lockable_files.LockableFiles(repo_transport,
442
372
'lock', lockdir.LockDir)
443
text_store = self._get_text_store(repo_transport, control_files)
444
control_store = self._get_control_store(repo_transport, control_files)
445
_revision_store = self._get_revision_store(repo_transport, control_files)
446
return self.repository_class(_format=self,
373
repo = self.repository_class(_format=self,
447
374
a_bzrdir=a_bzrdir,
448
375
control_files=control_files,
449
_revision_store=_revision_store,
450
control_store=control_store,
451
text_store=text_store,
452
376
_commit_builder_class=self._commit_builder_class,
453
377
_serializer=self._serializer)
378
repo.revisions = self._get_revisions(repo_transport, repo)
379
repo.signatures = self._get_signatures(repo_transport, repo)
380
repo.inventories = self._get_inventories(repo_transport, repo)
381
repo.texts = self._get_texts(repo_transport, repo)
382
repo._transport = repo_transport
456
386
class RepositoryFormatKnit1(RepositoryFormatKnit):
577
507
def get_format_description(self):
578
508
"""See RepositoryFormat.get_format_description()."""
579
509
return "Knit repository format 4"
582
def _get_stream_as_bytes(knit, required_versions):
583
"""Generate a serialised data stream.
585
The format is a bencoding of a list. The first element of the list is a
586
string of the format signature, then each subsequent element is a list
587
corresponding to a record. Those lists contain:
594
:returns: a bencoded list.
596
knit_stream = knit.get_data_stream(required_versions)
597
format_signature, data_list, callable = knit_stream
599
data.append(format_signature)
600
for version, options, length, parents in data_list:
601
data.append([version, options, parents, callable(length)])
602
return bencode.bencode(data)