121
113
if master is not None:
122
114
master.break_lock()
124
def _check_stackable_repo(self):
125
if not self.repository._format.supports_external_lookups:
126
raise errors.UnstackableRepositoryFormat(self.repository._format,
127
self.repository.base)
129
def _extend_partial_history(self, stop_index=None, stop_revision=None):
130
"""Extend the partial history to include a given index
132
If a stop_index is supplied, stop when that index has been reached.
133
If a stop_revision is supplied, stop when that revision is
134
encountered. Otherwise, stop when the beginning of history is
137
:param stop_index: The index which should be present. When it is
138
present, history extension will stop.
139
:param stop_revision: The revision id which should be present. When
140
it is encountered, history extension will stop.
142
if len(self._partial_revision_history_cache) == 0:
143
self._partial_revision_history_cache = [self.last_revision()]
144
repository._iter_for_revno(
145
self.repository, self._partial_revision_history_cache,
146
stop_index=stop_index, stop_revision=stop_revision)
147
if self._partial_revision_history_cache[-1] == _mod_revision.NULL_REVISION:
148
self._partial_revision_history_cache.pop()
150
def _get_check_refs(self):
151
"""Get the references needed for check().
155
revid = self.last_revision()
156
return [('revision-existence', revid), ('lefthand-distance', revid)]
159
117
def open(base, _unsupported=False, possible_transports=None):
160
118
"""Open the branch rooted at base.
446
383
# start_revision_id.
447
384
if self._merge_sorted_revisions_cache is None:
448
385
last_revision = self.last_revision()
449
known_graph = self.repository.get_known_graph_ancestry(
451
self._merge_sorted_revisions_cache = known_graph.merge_sort(
386
graph = self.repository.get_graph()
387
parent_map = dict(((key, value) for key, value in
388
graph.iter_ancestry([last_revision]) if value is not None))
389
revision_graph = repository._strip_NULL_ghosts(parent_map)
390
revs = tsort.merge_sort(revision_graph, last_revision, None,
392
# Drop the sequence # before caching
393
self._merge_sorted_revisions_cache = [r[1:] for r in revs]
453
395
filtered = self._filter_merge_sorted_revisions(
454
396
self._merge_sorted_revisions_cache, start_revision_id,
455
397
stop_revision_id, stop_rule)
456
# Make sure we don't return revisions that are not part of the
457
# start_revision_id ancestry.
458
filtered = self._filter_start_non_ancestors(filtered)
459
398
if direction == 'reverse':
461
400
if direction == 'forward':
468
407
"""Iterate over an inclusive range of sorted revisions."""
469
408
rev_iter = iter(merge_sorted_revisions)
470
409
if start_revision_id is not None:
471
for node in rev_iter:
472
rev_id = node.key[-1]
410
for rev_id, depth, revno, end_of_merge in rev_iter:
473
411
if rev_id != start_revision_id:
476
414
# The decision to include the start or not
477
415
# depends on the stop_rule if a stop is provided
478
# so pop this node back into the iterator
479
rev_iter = chain(iter([node]), rev_iter)
417
iter([(rev_id, depth, revno, end_of_merge)]),
481
420
if stop_revision_id is None:
483
for node in rev_iter:
484
rev_id = node.key[-1]
485
yield (rev_id, node.merge_depth, node.revno,
421
for rev_id, depth, revno, end_of_merge in rev_iter:
422
yield rev_id, depth, revno, end_of_merge
487
423
elif stop_rule == 'exclude':
488
for node in rev_iter:
489
rev_id = node.key[-1]
424
for rev_id, depth, revno, end_of_merge in rev_iter:
490
425
if rev_id == stop_revision_id:
492
yield (rev_id, node.merge_depth, node.revno,
427
yield rev_id, depth, revno, end_of_merge
494
428
elif stop_rule == 'include':
495
for node in rev_iter:
496
rev_id = node.key[-1]
497
yield (rev_id, node.merge_depth, node.revno,
429
for rev_id, depth, revno, end_of_merge in rev_iter:
430
yield rev_id, depth, revno, end_of_merge
499
431
if rev_id == stop_revision_id:
501
elif stop_rule == 'with-merges-without-common-ancestry':
502
# We want to exclude all revisions that are already part of the
503
# stop_revision_id ancestry.
504
graph = self.repository.get_graph()
505
ancestors = graph.find_unique_ancestors(start_revision_id,
507
for node in rev_iter:
508
rev_id = node.key[-1]
509
if rev_id not in ancestors:
511
yield (rev_id, node.merge_depth, node.revno,
513
433
elif stop_rule == 'with-merges':
514
434
stop_rev = self.repository.get_revision(stop_revision_id)
515
435
if stop_rev.parent_ids:
516
436
left_parent = stop_rev.parent_ids[0]
518
438
left_parent = _mod_revision.NULL_REVISION
519
# left_parent is the actual revision we want to stop logging at,
520
# since we want to show the merged revisions after the stop_rev too
521
reached_stop_revision_id = False
522
revision_id_whitelist = []
523
for node in rev_iter:
524
rev_id = node.key[-1]
439
for rev_id, depth, revno, end_of_merge in rev_iter:
525
440
if rev_id == left_parent:
526
# reached the left parent after the stop_revision
528
if (not reached_stop_revision_id or
529
rev_id in revision_id_whitelist):
530
yield (rev_id, node.merge_depth, node.revno,
532
if reached_stop_revision_id or rev_id == stop_revision_id:
533
# only do the merged revs of rev_id from now on
534
rev = self.repository.get_revision(rev_id)
536
reached_stop_revision_id = True
537
revision_id_whitelist.extend(rev.parent_ids)
442
yield rev_id, depth, revno, end_of_merge
539
444
raise ValueError('invalid stop_rule %r' % stop_rule)
541
def _filter_start_non_ancestors(self, rev_iter):
542
# If we started from a dotted revno, we want to consider it as a tip
543
# and don't want to yield revisions that are not part of its
544
# ancestry. Given the order guaranteed by the merge sort, we will see
545
# uninteresting descendants of the first parent of our tip before the
547
first = rev_iter.next()
548
(rev_id, merge_depth, revno, end_of_merge) = first
551
# We start at a mainline revision so by definition, all others
552
# revisions in rev_iter are ancestors
553
for node in rev_iter:
558
pmap = self.repository.get_parent_map([rev_id])
559
parents = pmap.get(rev_id, [])
561
whitelist.update(parents)
563
# If there is no parents, there is nothing of interest left
565
# FIXME: It's hard to test this scenario here as this code is never
566
# called in that case. -- vila 20100322
569
for (rev_id, merge_depth, revno, end_of_merge) in rev_iter:
571
if rev_id in whitelist:
572
pmap = self.repository.get_parent_map([rev_id])
573
parents = pmap.get(rev_id, [])
574
whitelist.remove(rev_id)
575
whitelist.update(parents)
577
# We've reached the mainline, there is nothing left to
581
# A revision that is not part of the ancestry of our
584
yield (rev_id, merge_depth, revno, end_of_merge)
586
446
def leave_lock_in_place(self):
587
447
"""Tell this branch object not to release the physical lock when this
588
448
object is unlocked.
605
465
:param other: The branch to bind to
606
466
:type other: Branch
608
raise errors.UpgradeRequired(self.user_url)
610
def set_append_revisions_only(self, enabled):
611
if not self._format.supports_set_append_revisions_only():
612
raise errors.UpgradeRequired(self.user_url)
617
self.get_config().set_user_option('append_revisions_only', value,
620
def set_reference_info(self, file_id, tree_path, branch_location):
621
"""Set the branch location to use for a tree reference."""
622
raise errors.UnsupportedOperation(self.set_reference_info, self)
624
def get_reference_info(self, file_id):
625
"""Get the tree_path and branch_location for a tree reference."""
626
raise errors.UnsupportedOperation(self.get_reference_info, self)
468
raise errors.UpgradeRequired(self.base)
628
470
@needs_write_lock
629
471
def fetch(self, from_branch, last_revision=None, pb=None):
719
561
def set_revision_history(self, rev_history):
720
562
raise NotImplementedError(self.set_revision_history)
723
def set_parent(self, url):
724
"""See Branch.set_parent."""
725
# TODO: Maybe delete old location files?
726
# URLs should never be unicode, even on the local fs,
727
# FIXUP this and get_parent in a future branch format bump:
728
# read and rewrite the file. RBC 20060125
730
if isinstance(url, unicode):
732
url = url.encode('ascii')
733
except UnicodeEncodeError:
734
raise errors.InvalidURL(url,
735
"Urls must be 7-bit ascii, "
736
"use bzrlib.urlutils.escape")
737
url = urlutils.relative_url(self.base, url)
738
self._set_parent_location(url)
741
564
def set_stacked_on_url(self, url):
742
565
"""Set the URL this branch is stacked against.
746
569
:raises UnstackableRepositoryFormat: If the repository does not support
749
if not self._format.supports_stacking():
750
raise errors.UnstackableBranchFormat(self._format, self.user_url)
751
# XXX: Changing from one fallback repository to another does not check
752
# that all the data you need is present in the new fallback.
753
# Possibly it should.
754
self._check_stackable_repo()
757
old_url = self.get_stacked_on_url()
758
except (errors.NotStacked, errors.UnstackableBranchFormat,
759
errors.UnstackableRepositoryFormat):
763
self._activate_fallback_location(url)
764
# write this out after the repository is stacked to avoid setting a
765
# stacked config that doesn't work.
766
self._set_config_location('stacked_on_location', url)
769
"""Change a branch to be unstacked, copying data as needed.
771
Don't call this directly, use set_stacked_on_url(None).
773
pb = ui.ui_factory.nested_progress_bar()
775
pb.update("Unstacking")
776
# The basic approach here is to fetch the tip of the branch,
777
# including all available ghosts, from the existing stacked
778
# repository into a new repository object without the fallbacks.
780
# XXX: See <https://launchpad.net/bugs/397286> - this may not be
781
# correct for CHKMap repostiories
782
old_repository = self.repository
783
if len(old_repository._fallback_repositories) != 1:
784
raise AssertionError("can't cope with fallback repositories "
785
"of %r" % (self.repository,))
786
# unlock it, including unlocking the fallback
787
old_repository.unlock()
788
old_repository.lock_read()
790
# Repositories don't offer an interface to remove fallback
791
# repositories today; take the conceptually simpler option and just
792
# reopen it. We reopen it starting from the URL so that we
793
# get a separate connection for RemoteRepositories and can
794
# stream from one of them to the other. This does mean doing
795
# separate SSH connection setup, but unstacking is not a
796
# common operation so it's tolerable.
797
new_bzrdir = bzrdir.BzrDir.open(self.bzrdir.root_transport.base)
798
new_repository = new_bzrdir.find_repository()
799
self.repository = new_repository
800
if self.repository._fallback_repositories:
801
raise AssertionError("didn't expect %r to have "
802
"fallback_repositories"
803
% (self.repository,))
804
# this is not paired with an unlock because it's just restoring
805
# the previous state; the lock's released when set_stacked_on_url
807
self.repository.lock_write()
808
# XXX: If you unstack a branch while it has a working tree
809
# with a pending merge, the pending-merged revisions will no
810
# longer be present. You can (probably) revert and remerge.
812
# XXX: This only fetches up to the tip of the repository; it
813
# doesn't bring across any tags. That's fairly consistent
814
# with how branch works, but perhaps not ideal.
815
self.repository.fetch(old_repository,
816
revision_id=self.last_revision(),
819
old_repository.unlock()
572
raise NotImplementedError(self.set_stacked_on_url)
823
574
def _set_tags_bytes(self, bytes):
824
575
"""Mirror method for _get_tags_bytes.
991
744
except ValueError:
992
745
raise errors.NoSuchRevision(self, revision_id)
995
747
def get_rev_id(self, revno, history=None):
996
748
"""Find the revision id of the specified revno."""
998
750
return _mod_revision.NULL_REVISION
999
last_revno, last_revid = self.last_revision_info()
1000
if revno == last_revno:
1002
if revno <= 0 or revno > last_revno:
752
history = self.revision_history()
753
if revno <= 0 or revno > len(history):
1003
754
raise errors.NoSuchRevision(self, revno)
1004
distance_from_last = last_revno - revno
1005
if len(self._partial_revision_history_cache) <= distance_from_last:
1006
self._extend_partial_history(distance_from_last)
1007
return self._partial_revision_history_cache[distance_from_last]
755
return history[revno - 1]
1010
757
def pull(self, source, overwrite=False, stop_revision=None,
1011
possible_transports=None, *args, **kwargs):
758
possible_transports=None, _override_hook_target=None):
1012
759
"""Mirror source into this branch.
1014
761
This branch is considered to be 'local', having low latency.
1016
763
:returns: PullResult instance
1018
return InterBranch.get(source, self).pull(overwrite=overwrite,
1019
stop_revision=stop_revision,
1020
possible_transports=possible_transports, *args, **kwargs)
765
raise NotImplementedError(self.pull)
1022
767
def push(self, target, overwrite=False, stop_revision=None, *args,
1028
773
return InterBranch.get(self, target).push(overwrite, stop_revision,
1029
774
*args, **kwargs)
1031
def lossy_push(self, target, stop_revision=None):
1032
"""Push deltas into another branch.
1034
:note: This does not, like push, retain the revision ids from
1035
the source branch and will, rather than adding bzr-specific
1036
metadata, push only those semantics of the revision that can be
1037
natively represented by this branch' VCS.
1039
:param target: Target branch
1040
:param stop_revision: Revision to push, defaults to last revision.
1041
:return: BranchPushResult with an extra member revidmap:
1042
A dictionary mapping revision ids from the target branch
1043
to new revision ids in the target branch, for each
1044
revision that was pushed.
1046
inter = InterBranch.get(self, target)
1047
lossy_push = getattr(inter, "lossy_push", None)
1048
if lossy_push is None:
1049
raise errors.LossyPushToSameVCS(self, target)
1050
return lossy_push(stop_revision)
1052
776
def basis_tree(self):
1053
777
"""Return `Tree` object for last revision."""
1054
778
return self.repository.revision_tree(self.last_revision())
1245
965
source_revno, source_revision_id = self.last_revision_info()
1246
966
if revision_id is None:
1247
967
revno, revision_id = source_revno, source_revision_id
968
elif source_revision_id == revision_id:
969
# we know the revno without needing to walk all of history
1249
graph = self.repository.get_graph()
1251
revno = graph.find_distance_to_null(revision_id,
1252
[(source_revision_id, source_revno)])
1253
except errors.GhostRevisionsHaveNoRevno:
1254
# Default to 1, if we can't find anything else
972
# To figure out the revno for a random revision, we need to build
973
# the revision history, and count its length.
974
# We don't care about the order, just how long it is.
975
# Alternatively, we could start at the current location, and count
976
# backwards. But there is no guarantee that we will find it since
977
# it may be a merged revision.
978
revno = len(list(self.repository.iter_reverse_revision_history(
1256
980
destination.set_last_revision_info(revno, revision_id)
1258
982
@needs_read_lock
1274
997
if self._push_should_merge_tags():
1275
998
self.tags.merge_to(destination.tags)
1277
def update_references(self, target):
1278
if not getattr(self._format, 'supports_reference_locations', False):
1280
reference_dict = self._get_all_reference_info()
1281
if len(reference_dict) == 0:
1283
old_base = self.base
1284
new_base = target.base
1285
target_reference_dict = target._get_all_reference_info()
1286
for file_id, (tree_path, branch_location) in (
1287
reference_dict.items()):
1288
branch_location = urlutils.rebase_url(branch_location,
1290
target_reference_dict.setdefault(
1291
file_id, (tree_path, branch_location))
1292
target._set_all_reference_info(target_reference_dict)
1294
1000
@needs_read_lock
1295
def check(self, refs):
1296
1002
"""Check consistency of the branch.
1298
1004
In particular this checks that revisions given in the revision-history
1302
1008
Callers will typically also want to check the repository.
1304
:param refs: Calculated refs for this branch as specified by
1305
branch._get_check_refs()
1306
1010
:return: A BranchCheckResult.
1308
result = BranchCheckResult(self)
1012
mainline_parent_id = None
1309
1013
last_revno, last_revision_id = self.last_revision_info()
1310
actual_revno = refs[('lefthand-distance', last_revision_id)]
1311
if actual_revno != last_revno:
1312
result.errors.append(errors.BzrCheckError(
1313
'revno does not match len(mainline) %s != %s' % (
1314
last_revno, actual_revno)))
1315
# TODO: We should probably also check that self.revision_history
1316
# matches the repository for older branch formats.
1317
# If looking for the code that cross-checks repository parents against
1318
# the iter_reverse_revision_history output, that is now a repository
1014
real_rev_history = list(self.repository.iter_reverse_revision_history(
1016
real_rev_history.reverse()
1017
if len(real_rev_history) != last_revno:
1018
raise errors.BzrCheckError('revno does not match len(mainline)'
1019
' %s != %s' % (last_revno, len(real_rev_history)))
1020
# TODO: We should probably also check that real_rev_history actually
1021
# matches self.revision_history()
1022
for revision_id in real_rev_history:
1024
revision = self.repository.get_revision(revision_id)
1025
except errors.NoSuchRevision, e:
1026
raise errors.BzrCheckError("mainline revision {%s} not in repository"
1028
# In general the first entry on the revision history has no parents.
1029
# But it's not illegal for it to have parents listed; this can happen
1030
# in imports from Arch when the parents weren't reachable.
1031
if mainline_parent_id is not None:
1032
if mainline_parent_id not in revision.parent_ids:
1033
raise errors.BzrCheckError("previous revision {%s} not listed among "
1035
% (mainline_parent_id, revision_id))
1036
mainline_parent_id = revision_id
1037
return BranchCheckResult(self)
1322
1039
def _get_checkout_format(self):
1323
1040
"""Return the most suitable metadir for a checkout of this branch.
1335
1052
def create_clone_on_transport(self, to_transport, revision_id=None,
1336
stacked_on=None, create_prefix=False, use_existing_dir=False):
1337
1054
"""Create a clone of this branch and its bzrdir.
1339
1056
:param to_transport: The transport to clone onto.
1340
1057
:param revision_id: The revision id to use as tip in the new branch.
1341
1058
If None the tip is obtained from this branch.
1342
1059
:param stacked_on: An optional URL to stack the clone on.
1343
:param create_prefix: Create any missing directories leading up to
1345
:param use_existing_dir: Use an existing directory if one exists.
1347
1061
# XXX: Fix the bzrdir API to allow getting the branch back from the
1348
1062
# clone call. Or something. 20090224 RBC/spiv.
1349
if revision_id is None:
1350
revision_id = self.last_revision()
1351
1063
dir_to = self.bzrdir.clone_on_transport(to_transport,
1352
revision_id=revision_id, stacked_on=stacked_on,
1353
create_prefix=create_prefix, use_existing_dir=use_existing_dir)
1064
revision_id=revision_id, stacked_on=stacked_on)
1354
1065
return dir_to.open_branch()
1356
1067
def create_checkout(self, to_location, revision_id=None,
1411
1121
reconciler.reconcile()
1412
1122
return reconciler
1414
def reference_parent(self, file_id, path, possible_transports=None):
1124
def reference_parent(self, file_id, path):
1415
1125
"""Return the parent branch for a tree-reference file_id
1416
1126
:param file_id: The file_id of the tree reference
1417
1127
:param path: The path of the file_id in the tree
1418
1128
:return: A branch associated with the file_id
1420
1130
# FIXME should provide multiple branches, based on config
1421
return Branch.open(self.bzrdir.root_transport.clone(path).base,
1422
possible_transports=possible_transports)
1131
return Branch.open(self.bzrdir.root_transport.clone(path).base)
1424
1133
def supports_tags(self):
1425
1134
return self._format.supports_tags()
1427
def automatic_tag_name(self, revision_id):
1428
"""Try to automatically find the tag name for a revision.
1430
:param revision_id: Revision id of the revision.
1431
:return: A tag name or None if no tag name could be determined.
1433
for hook in Branch.hooks['automatic_tag_name']:
1434
ret = hook(self, revision_id)
1439
1136
def _check_if_descendant_or_diverged(self, revision_a, revision_b, graph,
1441
1138
"""Ensure that revision_b is a descendant of revision_a.
1554
1249
"""Return the short format description for this format."""
1555
1250
raise NotImplementedError(self.get_format_description)
1557
def _run_post_branch_init_hooks(self, a_bzrdir, name, branch):
1558
hooks = Branch.hooks['post_branch_init']
1561
params = BranchInitHookParams(self, a_bzrdir, name, branch)
1565
def _initialize_helper(self, a_bzrdir, utf8_files, name=None,
1566
lock_type='metadir', set_format=True):
1252
def _initialize_helper(self, a_bzrdir, utf8_files, lock_type='metadir',
1567
1254
"""Initialize a branch in a bzrdir, with specified files
1569
1256
:param a_bzrdir: The bzrdir to initialize the branch in
1570
1257
:param utf8_files: The files to create as a list of
1571
1258
(filename, content) tuples
1572
:param name: Name of colocated branch to create, if any
1573
1259
:param set_format: If True, set the format with
1574
1260
self.get_format_string. (BzrBranch4 has its format set
1576
1262
:return: a branch in this format
1578
mutter('creating branch %r in %s', self, a_bzrdir.user_url)
1579
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1264
mutter('creating branch %r in %s', self, a_bzrdir.transport.base)
1265
branch_transport = a_bzrdir.get_branch_transport(self)
1581
1267
'metadir': ('lock', lockdir.LockDir),
1582
1268
'branch4': ('branch-lock', lockable_files.TransportLock),
1765
1433
"multiple hooks installed for transform_fallback_location, "
1766
1434
"all are called with the url returned from the previous hook."
1767
1435
"The order is however undefined.", (1, 9), None))
1768
self.create_hook(HookPoint('automatic_tag_name',
1769
"Called to determine an automatic tag name for a revision."
1770
"automatic_tag_name is called with (branch, revision_id) and "
1771
"should return a tag name or None if no tag name could be "
1772
"determined. The first non-None tag name returned will be used.",
1774
self.create_hook(HookPoint('post_branch_init',
1775
"Called after new branch initialization completes. "
1776
"post_branch_init is called with a "
1777
"bzrlib.branch.BranchInitHookParams. "
1778
"Note that init, branch and checkout (both heavyweight and "
1779
"lightweight) will all trigger this hook.", (2, 2), None))
1780
self.create_hook(HookPoint('post_switch',
1781
"Called after a checkout switches branch. "
1782
"post_switch is called with a "
1783
"bzrlib.branch.SwitchHookParams.", (2, 2), None))
1787
1438
# install the default hooks into the Branch class.
1826
1477
self.old_revno, self.old_revid, self.new_revno, self.new_revid)
1829
class BranchInitHookParams(object):
1830
"""Object holding parameters passed to *_branch_init hooks.
1832
There are 4 fields that hooks may wish to access:
1834
:ivar format: the branch format
1835
:ivar bzrdir: the BzrDir where the branch will be/has been initialized
1836
:ivar name: name of colocated branch, if any (or None)
1837
:ivar branch: the branch created
1839
Note that for lightweight checkouts, the bzrdir and format fields refer to
1840
the checkout, hence they are different from the corresponding fields in
1841
branch, which refer to the original branch.
1844
def __init__(self, format, a_bzrdir, name, branch):
1845
"""Create a group of BranchInitHook parameters.
1847
:param format: the branch format
1848
:param a_bzrdir: the BzrDir where the branch will be/has been
1850
:param name: name of colocated branch, if any (or None)
1851
:param branch: the branch created
1853
Note that for lightweight checkouts, the bzrdir and format fields refer
1854
to the checkout, hence they are different from the corresponding fields
1855
in branch, which refer to the original branch.
1857
self.format = format
1858
self.bzrdir = a_bzrdir
1860
self.branch = branch
1862
def __eq__(self, other):
1863
return self.__dict__ == other.__dict__
1867
return "<%s of %s>" % (self.__class__.__name__, self.branch)
1869
return "<%s of format:%s bzrdir:%s>" % (
1870
self.__class__.__name__, self.branch,
1871
self.format, self.bzrdir)
1874
class SwitchHookParams(object):
1875
"""Object holding parameters passed to *_switch hooks.
1877
There are 4 fields that hooks may wish to access:
1879
:ivar control_dir: BzrDir of the checkout to change
1880
:ivar to_branch: branch that the checkout is to reference
1881
:ivar force: skip the check for local commits in a heavy checkout
1882
:ivar revision_id: revision ID to switch to (or None)
1885
def __init__(self, control_dir, to_branch, force, revision_id):
1886
"""Create a group of SwitchHook parameters.
1888
:param control_dir: BzrDir of the checkout to change
1889
:param to_branch: branch that the checkout is to reference
1890
:param force: skip the check for local commits in a heavy checkout
1891
:param revision_id: revision ID to switch to (or None)
1893
self.control_dir = control_dir
1894
self.to_branch = to_branch
1896
self.revision_id = revision_id
1898
def __eq__(self, other):
1899
return self.__dict__ == other.__dict__
1902
return "<%s for %s to (%s, %s)>" % (self.__class__.__name__,
1903
self.control_dir, self.to_branch,
1907
1480
class BzrBranchFormat4(BranchFormat):
1908
1481
"""Bzr branch format 4.
1962
1534
return self.get_format_string()
1964
def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False):
1536
def open(self, a_bzrdir, _found=False, ignore_fallbacks=False):
1965
1537
"""See BranchFormat.open()."""
1967
format = BranchFormat.find_format(a_bzrdir, name=name)
1539
format = BranchFormat.find_format(a_bzrdir)
1968
1540
if format.__class__ != self.__class__:
1969
1541
raise AssertionError("wrong format %r found for %r" %
1970
1542
(format, self))
1971
transport = a_bzrdir.get_branch_transport(None, name=name)
1544
transport = a_bzrdir.get_branch_transport(None)
1973
1545
control_files = lockable_files.LockableFiles(transport, 'lock',
1974
1546
lockdir.LockDir)
1975
1547
return self._branch_class()(_format=self,
1976
1548
_control_files=control_files,
1978
1549
a_bzrdir=a_bzrdir,
1979
1550
_repository=a_bzrdir.find_repository(),
1980
1551
ignore_fallbacks=ignore_fallbacks)
1981
1552
except errors.NoSuchFile:
1982
raise errors.NotBranchError(path=transport.base, bzrdir=a_bzrdir)
1553
raise errors.NotBranchError(path=transport.base)
1984
1555
def __init__(self):
1985
1556
super(BranchFormatMetadir, self).__init__()
2047
1618
"""See BranchFormat.get_format_description()."""
2048
1619
return "Branch format 6"
2050
def initialize(self, a_bzrdir, name=None):
2051
"""Create a branch of this format in a_bzrdir."""
2052
utf8_files = [('last-revision', '0 null:\n'),
2053
('branch.conf', ''),
2056
return self._initialize_helper(a_bzrdir, utf8_files, name)
2058
def make_tags(self, branch):
2059
"""See bzrlib.branch.BranchFormat.make_tags()."""
2060
return BasicTags(branch)
2062
def supports_set_append_revisions_only(self):
2066
class BzrBranchFormat8(BranchFormatMetadir):
2067
"""Metadir format supporting storing locations of subtree branches."""
2069
def _branch_class(self):
2072
def get_format_string(self):
2073
"""See BranchFormat.get_format_string()."""
2074
return "Bazaar Branch Format 8 (needs bzr 1.15)\n"
2076
def get_format_description(self):
2077
"""See BranchFormat.get_format_description()."""
2078
return "Branch format 8"
2080
def initialize(self, a_bzrdir, name=None):
2081
"""Create a branch of this format in a_bzrdir."""
2082
utf8_files = [('last-revision', '0 null:\n'),
2083
('branch.conf', ''),
2087
return self._initialize_helper(a_bzrdir, utf8_files, name)
2090
super(BzrBranchFormat8, self).__init__()
2091
self._matchingbzrdir.repository_format = \
2092
RepositoryFormatKnitPack5RichRoot()
2094
def make_tags(self, branch):
2095
"""See bzrlib.branch.BranchFormat.make_tags()."""
2096
return BasicTags(branch)
2098
def supports_set_append_revisions_only(self):
2101
def supports_stacking(self):
2104
supports_reference_locations = True
2107
class BzrBranchFormat7(BzrBranchFormat8):
1621
def initialize(self, a_bzrdir):
1622
"""Create a branch of this format in a_bzrdir."""
1623
utf8_files = [('last-revision', '0 null:\n'),
1624
('branch.conf', ''),
1627
return self._initialize_helper(a_bzrdir, utf8_files)
1629
def make_tags(self, branch):
1630
"""See bzrlib.branch.BranchFormat.make_tags()."""
1631
return BasicTags(branch)
1635
class BzrBranchFormat7(BranchFormatMetadir):
2108
1636
"""Branch format with last-revision, tags, and a stacked location pointer.
2110
1638
The stacked location pointer is passed down to the repository and requires
2132
1652
"""See BranchFormat.get_format_description()."""
2133
1653
return "Branch format 7"
2135
def supports_set_append_revisions_only(self):
1655
def initialize(self, a_bzrdir):
1656
"""Create a branch of this format in a_bzrdir."""
1657
utf8_files = [('last-revision', '0 null:\n'),
1658
('branch.conf', ''),
1661
return self._initialize_helper(a_bzrdir, utf8_files)
1664
super(BzrBranchFormat7, self).__init__()
1665
self._matchingbzrdir.repository_format = \
1666
RepositoryFormatKnitPack5RichRoot()
1668
def make_tags(self, branch):
1669
"""See bzrlib.branch.BranchFormat.make_tags()."""
1670
return BasicTags(branch)
1672
def supports_stacking(self):
2138
supports_reference_locations = False
2141
1676
class BranchReferenceFormat(BranchFormat):
2142
1677
"""Bzr branch reference format.
2160
1695
def get_reference(self, a_bzrdir):
2161
1696
"""See BranchFormat.get_reference()."""
2162
1697
transport = a_bzrdir.get_branch_transport(None)
2163
return transport.get_bytes('location')
1698
return transport.get('location').read()
2165
1700
def set_reference(self, a_bzrdir, to_branch):
2166
1701
"""See BranchFormat.set_reference()."""
2167
1702
transport = a_bzrdir.get_branch_transport(None)
2168
1703
location = transport.put_bytes('location', to_branch.base)
2170
def initialize(self, a_bzrdir, name=None, target_branch=None):
1705
def initialize(self, a_bzrdir, target_branch=None):
2171
1706
"""Create a branch of this format in a_bzrdir."""
2172
1707
if target_branch is None:
2173
1708
# this format does not implement branch itself, thus the implicit
2174
1709
# creation contract must see it as uninitializable
2175
1710
raise errors.UninitializableFormat(self)
2176
mutter('creating branch reference in %s', a_bzrdir.user_url)
2177
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1711
mutter('creating branch reference in %s', a_bzrdir.transport.base)
1712
branch_transport = a_bzrdir.get_branch_transport(self)
2178
1713
branch_transport.put_bytes('location',
2179
target_branch.bzrdir.user_url)
1714
target_branch.bzrdir.root_transport.base)
2180
1715
branch_transport.put_bytes('format', self.get_format_string())
2182
a_bzrdir, name, _found=True,
1717
a_bzrdir, _found=True,
2183
1718
possible_transports=[target_branch.bzrdir.root_transport])
2184
self._run_post_branch_init_hooks(a_bzrdir, name, branch)
2187
1720
def __init__(self):
2188
1721
super(BranchReferenceFormat, self).__init__()
2194
1727
def clone(to_bzrdir, revision_id=None,
2195
1728
repository_policy=None):
2196
1729
"""See Branch.clone()."""
2197
return format.initialize(to_bzrdir, target_branch=a_branch)
1730
return format.initialize(to_bzrdir, a_branch)
2198
1731
# cannot obey revision_id limits when cloning a reference ...
2199
1732
# FIXME RBC 20060210 either nuke revision_id for clone, or
2200
1733
# emit some sort of warning/error to the caller ?!
2203
def open(self, a_bzrdir, name=None, _found=False, location=None,
1736
def open(self, a_bzrdir, _found=False, location=None,
2204
1737
possible_transports=None, ignore_fallbacks=False):
2205
1738
"""Return the branch that the branch reference in a_bzrdir points at.
2207
1740
:param a_bzrdir: A BzrDir that contains a branch.
2208
:param name: Name of colocated branch to open, if any
2209
1741
:param _found: a private parameter, do not use it. It is used to
2210
1742
indicate if format probing has already be done.
2211
1743
:param ignore_fallbacks: when set, no fallback branches will be opened
2252
1783
__format5 = BzrBranchFormat5()
2253
1784
__format6 = BzrBranchFormat6()
2254
1785
__format7 = BzrBranchFormat7()
2255
__format8 = BzrBranchFormat8()
2256
1786
BranchFormat.register_format(__format5)
2257
1787
BranchFormat.register_format(BranchReferenceFormat())
2258
1788
BranchFormat.register_format(__format6)
2259
1789
BranchFormat.register_format(__format7)
2260
BranchFormat.register_format(__format8)
2261
BranchFormat.set_default_format(__format7)
1790
BranchFormat.set_default_format(__format6)
2262
1791
_legacy_formats = [BzrBranchFormat4(),
2264
1793
network_format_registry.register(
2265
1794
_legacy_formats[0].network_name(), _legacy_formats[0].__class__)
2268
class BzrBranch(Branch, _RelockDebugMixin):
1797
class BzrBranch(Branch):
2269
1798
"""A branch stored in the actual filesystem.
2271
1800
Note that it's "local" in the context of the filesystem; it doesn't
2277
1806
:ivar repository: Repository for this branch.
2278
1807
:ivar base: The url of the base directory for this branch; the one
2279
1808
containing the .bzr directory.
2280
:ivar name: Optional colocated branch name as it exists in the control
2284
1811
def __init__(self, _format=None,
2285
_control_files=None, a_bzrdir=None, name=None,
2286
_repository=None, ignore_fallbacks=False):
1812
_control_files=None, a_bzrdir=None, _repository=None,
1813
ignore_fallbacks=False):
2287
1814
"""Create new branch object at a particular location."""
2288
1815
if a_bzrdir is None:
2289
1816
raise ValueError('a_bzrdir must be supplied')
2291
1818
self.bzrdir = a_bzrdir
2292
1819
self._base = self.bzrdir.transport.clone('..').base
2294
1820
# XXX: We should be able to just do
2295
1821
# self.base = self.bzrdir.root_transport.base
2296
1822
# but this does not quite work yet -- mbp 20080522
2318
1840
base = property(_get_base, doc="The URL for the root of this branch.")
2320
def _get_config(self):
2321
return TransportConfig(self._transport, 'branch.conf')
2323
1842
def is_locked(self):
2324
1843
return self.control_files.is_locked()
2326
1845
def lock_write(self, token=None):
2327
if not self.is_locked():
2328
self._note_lock('w')
2329
# All-in-one needs to always unlock/lock.
2330
repo_control = getattr(self.repository, 'control_files', None)
2331
if self.control_files == repo_control or not self.is_locked():
2332
self.repository._warn_if_deprecated(self)
2333
self.repository.lock_write()
1846
repo_token = self.repository.lock_write()
2338
return self.control_files.lock_write(token=token)
1848
token = self.control_files.lock_write(token=token)
2341
self.repository.unlock()
1850
self.repository.unlock()
2344
1854
def lock_read(self):
2345
if not self.is_locked():
2346
self._note_lock('r')
2347
# All-in-one needs to always unlock/lock.
2348
repo_control = getattr(self.repository, 'control_files', None)
2349
if self.control_files == repo_control or not self.is_locked():
2350
self.repository._warn_if_deprecated(self)
2351
self.repository.lock_read()
1855
self.repository.lock_read()
2356
1857
self.control_files.lock_read()
2359
self.repository.unlock()
1859
self.repository.unlock()
2362
@only_raises(errors.LockNotHeld, errors.LockBroken)
2363
1862
def unlock(self):
1863
# TODO: test for failed two phase locks. This is known broken.
2365
1865
self.control_files.unlock()
2367
# All-in-one needs to always unlock/lock.
2368
repo_control = getattr(self.repository, 'control_files', None)
2369
if (self.control_files == repo_control or
2370
not self.control_files.is_locked()):
2371
self.repository.unlock()
2372
if not self.control_files.is_locked():
2373
# we just released the lock
2374
self._clear_cached_state()
1867
self.repository.unlock()
1868
if not self.control_files.is_locked():
1869
# we just released the lock
1870
self._clear_cached_state()
2376
1872
def peek_lock_mode(self):
2377
1873
if self.control_files._lock_count == 0:
2496
1992
"""See Branch.basis_tree."""
2497
1993
return self.repository.revision_tree(self.last_revision())
1996
def pull(self, source, overwrite=False, stop_revision=None,
1997
_hook_master=None, run_hooks=True, possible_transports=None,
1998
_override_hook_target=None):
2001
:param _hook_master: Private parameter - set the branch to
2002
be supplied as the master to pull hooks.
2003
:param run_hooks: Private parameter - if false, this branch
2004
is being called because it's the master of the primary branch,
2005
so it should not run its hooks.
2006
:param _override_hook_target: Private parameter - set the branch to be
2007
supplied as the target_branch to pull hooks.
2009
result = PullResult()
2010
result.source_branch = source
2011
if _override_hook_target is None:
2012
result.target_branch = self
2014
result.target_branch = _override_hook_target
2017
# We assume that during 'pull' the local repository is closer than
2019
graph = self.repository.get_graph(source.repository)
2020
result.old_revno, result.old_revid = self.last_revision_info()
2021
self.update_revisions(source, stop_revision, overwrite=overwrite,
2023
result.tag_conflicts = source.tags.merge_to(self.tags, overwrite)
2024
result.new_revno, result.new_revid = self.last_revision_info()
2026
result.master_branch = _hook_master
2027
result.local_branch = result.target_branch
2029
result.master_branch = result.target_branch
2030
result.local_branch = None
2032
for hook in Branch.hooks['post_pull']:
2499
2038
def _get_parent_location(self):
2500
2039
_locs = ['parent', 'pull', 'x-pull']
2501
2040
for l in _locs:
2536
2074
'push_location', location,
2537
2075
store=_mod_config.STORE_LOCATION_NORECURSE)
2078
def set_parent(self, url):
2079
"""See Branch.set_parent."""
2080
# TODO: Maybe delete old location files?
2081
# URLs should never be unicode, even on the local fs,
2082
# FIXUP this and get_parent in a future branch format bump:
2083
# read and rewrite the file. RBC 20060125
2085
if isinstance(url, unicode):
2087
url = url.encode('ascii')
2088
except UnicodeEncodeError:
2089
raise errors.InvalidURL(url,
2090
"Urls must be 7-bit ascii, "
2091
"use bzrlib.urlutils.escape")
2092
url = urlutils.relative_url(self.base, url)
2093
self._set_parent_location(url)
2539
2095
def _set_parent_location(self, url):
2540
2096
if url is None:
2541
2097
self._transport.delete('parent')
2550
2109
It has support for a master_branch which is the data for bound branches.
2113
def pull(self, source, overwrite=False, stop_revision=None,
2114
run_hooks=True, possible_transports=None,
2115
_override_hook_target=None):
2116
"""Pull from source into self, updating my master if any.
2118
:param run_hooks: Private parameter - if false, this branch
2119
is being called because it's the master of the primary branch,
2120
so it should not run its hooks.
2122
bound_location = self.get_bound_location()
2123
master_branch = None
2124
if bound_location and source.base != bound_location:
2125
# not pulling from master, so we need to update master.
2126
master_branch = self.get_master_branch(possible_transports)
2127
master_branch.lock_write()
2130
# pull from source into master.
2131
master_branch.pull(source, overwrite, stop_revision,
2133
return super(BzrBranch5, self).pull(source, overwrite,
2134
stop_revision, _hook_master=master_branch,
2135
run_hooks=run_hooks,
2136
_override_hook_target=_override_hook_target)
2139
master_branch.unlock()
2553
2141
def get_bound_location(self):
2555
2143
return self._transport.get_bytes('bound')[:-1]
2663
2263
"None, not a URL." % hook_name)
2664
2264
self._activate_fallback_location(url)
2266
def _check_stackable_repo(self):
2267
if not self.repository._format.supports_external_lookups:
2268
raise errors.UnstackableRepositoryFormat(self.repository._format,
2269
self.repository.base)
2666
2271
def __init__(self, *args, **kwargs):
2667
2272
self._ignore_fallbacks = kwargs.get('ignore_fallbacks', False)
2668
super(BzrBranch8, self).__init__(*args, **kwargs)
2273
super(BzrBranch7, self).__init__(*args, **kwargs)
2669
2274
self._last_revision_info_cache = None
2670
self._reference_info = None
2275
self._partial_revision_history_cache = []
2672
2277
def _clear_cached_state(self):
2673
super(BzrBranch8, self)._clear_cached_state()
2278
super(BzrBranch7, self)._clear_cached_state()
2674
2279
self._last_revision_info_cache = None
2675
self._reference_info = None
2280
self._partial_revision_history_cache = []
2677
2282
def _last_revision_info(self):
2678
2283
revision_string = self._transport.get_bytes('last-revision')
2733
2338
self._extend_partial_history(stop_index=last_revno-1)
2734
2339
return list(reversed(self._partial_revision_history_cache))
2341
def _extend_partial_history(self, stop_index=None, stop_revision=None):
2342
"""Extend the partial history to include a given index
2344
If a stop_index is supplied, stop when that index has been reached.
2345
If a stop_revision is supplied, stop when that revision is
2346
encountered. Otherwise, stop when the beginning of history is
2349
:param stop_index: The index which should be present. When it is
2350
present, history extension will stop.
2351
:param revision_id: The revision id which should be present. When
2352
it is encountered, history extension will stop.
2354
repo = self.repository
2355
if len(self._partial_revision_history_cache) == 0:
2356
iterator = repo.iter_reverse_revision_history(self.last_revision())
2358
start_revision = self._partial_revision_history_cache[-1]
2359
iterator = repo.iter_reverse_revision_history(start_revision)
2360
#skip the last revision in the list
2361
next_revision = iterator.next()
2362
for revision_id in iterator:
2363
self._partial_revision_history_cache.append(revision_id)
2364
if (stop_index is not None and
2365
len(self._partial_revision_history_cache) > stop_index):
2367
if revision_id == stop_revision:
2736
2370
def _write_revision_history(self, history):
2737
2371
"""Factored out of set_revision_history.
2759
2393
"""Set the parent branch"""
2760
2394
return self._get_config_location('parent_location')
2763
def _set_all_reference_info(self, info_dict):
2764
"""Replace all reference info stored in a branch.
2766
:param info_dict: A dict of {file_id: (tree_path, branch_location)}
2769
writer = rio.RioWriter(s)
2770
for key, (tree_path, branch_location) in info_dict.iteritems():
2771
stanza = rio.Stanza(file_id=key, tree_path=tree_path,
2772
branch_location=branch_location)
2773
writer.write_stanza(stanza)
2774
self._transport.put_bytes('references', s.getvalue())
2775
self._reference_info = info_dict
2778
def _get_all_reference_info(self):
2779
"""Return all the reference info stored in a branch.
2781
:return: A dict of {file_id: (tree_path, branch_location)}
2783
if self._reference_info is not None:
2784
return self._reference_info
2785
rio_file = self._transport.get('references')
2787
stanzas = rio.read_stanzas(rio_file)
2788
info_dict = dict((s['file_id'], (s['tree_path'],
2789
s['branch_location'])) for s in stanzas)
2792
self._reference_info = info_dict
2795
def set_reference_info(self, file_id, tree_path, branch_location):
2796
"""Set the branch location to use for a tree reference.
2798
:param file_id: The file-id of the tree reference.
2799
:param tree_path: The path of the tree reference in the tree.
2800
:param branch_location: The location of the branch to retrieve tree
2803
info_dict = self._get_all_reference_info()
2804
info_dict[file_id] = (tree_path, branch_location)
2805
if None in (tree_path, branch_location):
2806
if tree_path is not None:
2807
raise ValueError('tree_path must be None when branch_location'
2809
if branch_location is not None:
2810
raise ValueError('branch_location must be None when tree_path'
2812
del info_dict[file_id]
2813
self._set_all_reference_info(info_dict)
2815
def get_reference_info(self, file_id):
2816
"""Get the tree_path and branch_location for a tree reference.
2818
:return: a tuple of (tree_path, branch_location)
2820
return self._get_all_reference_info().get(file_id, (None, None))
2822
def reference_parent(self, file_id, path, possible_transports=None):
2823
"""Return the parent branch for a tree-reference file_id.
2825
:param file_id: The file_id of the tree reference
2826
:param path: The path of the file_id in the tree
2827
:return: A branch associated with the file_id
2829
branch_location = self.get_reference_info(file_id)[1]
2830
if branch_location is None:
2831
return Branch.reference_parent(self, file_id, path,
2832
possible_transports)
2833
branch_location = urlutils.join(self.user_url, branch_location)
2834
return Branch.open(branch_location,
2835
possible_transports=possible_transports)
2837
2396
def set_push_location(self, location):
2838
2397
"""See Branch.set_push_location."""
2839
2398
self._set_config_location('push_location', location)
2881
2440
raise errors.NotStacked(self)
2882
2441
return stacked_url
2443
def set_append_revisions_only(self, enabled):
2448
self.get_config().set_user_option('append_revisions_only', value,
2451
def set_stacked_on_url(self, url):
2452
self._check_stackable_repo()
2455
old_url = self.get_stacked_on_url()
2456
except (errors.NotStacked, errors.UnstackableBranchFormat,
2457
errors.UnstackableRepositoryFormat):
2460
# repositories don't offer an interface to remove fallback
2461
# repositories today; take the conceptually simpler option and just
2463
self.repository = self.bzrdir.find_repository()
2464
# for every revision reference the branch has, ensure it is pulled
2466
source_repository = self._get_fallback_repository(old_url)
2467
for revision_id in chain([self.last_revision()],
2468
self.tags.get_reverse_tag_dict()):
2469
self.repository.fetch(source_repository, revision_id,
2472
self._activate_fallback_location(url)
2473
# write this out after the repository is stacked to avoid setting a
2474
# stacked config that doesn't work.
2475
self._set_config_location('stacked_on_location', url)
2884
2477
def _get_append_revisions_only(self):
2885
return self.get_config(
2886
).get_user_option_as_bool('append_revisions_only')
2478
value = self.get_config().get_user_option('append_revisions_only')
2479
return value == 'True'
2888
2481
@needs_write_lock
2889
2482
def generate_revision_history(self, revision_id, last_rev=None,
3234
2795
self.source.unlock()
3236
def pull(self, overwrite=False, stop_revision=None,
3237
possible_transports=None, _hook_master=None, run_hooks=True,
3238
_override_hook_target=None, local=False):
3241
:param _hook_master: Private parameter - set the branch to
3242
be supplied as the master to pull hooks.
3243
:param run_hooks: Private parameter - if false, this branch
3244
is being called because it's the master of the primary branch,
3245
so it should not run its hooks.
3246
:param _override_hook_target: Private parameter - set the branch to be
3247
supplied as the target_branch to pull hooks.
3248
:param local: Only update the local branch, and not the bound branch.
3250
# This type of branch can't be bound.
3252
raise errors.LocalRequiresBoundBranch()
3253
result = PullResult()
3254
result.source_branch = self.source
3255
if _override_hook_target is None:
3256
result.target_branch = self.target
3258
result.target_branch = _override_hook_target
3259
self.source.lock_read()
3261
# We assume that during 'pull' the target repository is closer than
3263
self.source.update_references(self.target)
3264
graph = self.target.repository.get_graph(self.source.repository)
3265
# TODO: Branch formats should have a flag that indicates
3266
# that revno's are expensive, and pull() should honor that flag.
3268
result.old_revno, result.old_revid = \
3269
self.target.last_revision_info()
3270
self.target.update_revisions(self.source, stop_revision,
3271
overwrite=overwrite, graph=graph)
3272
# TODO: The old revid should be specified when merging tags,
3273
# so a tags implementation that versions tags can only
3274
# pull in the most recent changes. -- JRV20090506
3275
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
3277
result.new_revno, result.new_revid = self.target.last_revision_info()
3279
result.master_branch = _hook_master
3280
result.local_branch = result.target_branch
3282
result.master_branch = result.target_branch
3283
result.local_branch = None
3285
for hook in Branch.hooks['post_pull']:
3288
self.source.unlock()
3291
2797
def push(self, overwrite=False, stop_revision=None,
3292
2798
_override_hook_source_branch=None):
3293
2799
"""See InterBranch.push.
3363
class InterToBranch5(GenericInterBranch):
3366
def _get_branch_formats_to_test():
3367
return BranchFormat._default_format, BzrBranchFormat5()
3369
def pull(self, overwrite=False, stop_revision=None,
3370
possible_transports=None, run_hooks=True,
3371
_override_hook_target=None, local=False):
3372
"""Pull from source into self, updating my master if any.
3374
:param run_hooks: Private parameter - if false, this branch
3375
is being called because it's the master of the primary branch,
3376
so it should not run its hooks.
3378
bound_location = self.target.get_bound_location()
3379
if local and not bound_location:
3380
raise errors.LocalRequiresBoundBranch()
3381
master_branch = None
3382
if not local and bound_location and self.source.user_url != bound_location:
3383
# not pulling from master, so we need to update master.
3384
master_branch = self.target.get_master_branch(possible_transports)
3385
master_branch.lock_write()
3388
# pull from source into master.
3389
master_branch.pull(self.source, overwrite, stop_revision,
3391
return super(InterToBranch5, self).pull(overwrite,
3392
stop_revision, _hook_master=master_branch,
3393
run_hooks=run_hooks,
3394
_override_hook_target=_override_hook_target)
3397
master_branch.unlock()
3400
2869
InterBranch.register_optimiser(GenericInterBranch)
3401
InterBranch.register_optimiser(InterToBranch5)