436
446
# start_revision_id.
437
447
if self._merge_sorted_revisions_cache is None:
438
448
last_revision = self.last_revision()
439
graph = self.repository.get_graph()
440
parent_map = dict(((key, value) for key, value in
441
graph.iter_ancestry([last_revision]) if value is not None))
442
revision_graph = repository._strip_NULL_ghosts(parent_map)
443
revs = tsort.merge_sort(revision_graph, last_revision, None,
445
# Drop the sequence # before caching
446
self._merge_sorted_revisions_cache = [r[1:] for r in revs]
449
known_graph = self.repository.get_known_graph_ancestry(
451
self._merge_sorted_revisions_cache = known_graph.merge_sort(
448
453
filtered = self._filter_merge_sorted_revisions(
449
454
self._merge_sorted_revisions_cache, start_revision_id,
450
455
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)
451
459
if direction == 'reverse':
453
461
if direction == 'forward':
460
468
"""Iterate over an inclusive range of sorted revisions."""
461
469
rev_iter = iter(merge_sorted_revisions)
462
470
if start_revision_id is not None:
463
for rev_id, depth, revno, end_of_merge in rev_iter:
471
for node in rev_iter:
472
rev_id = node.key[-1]
464
473
if rev_id != start_revision_id:
467
476
# The decision to include the start or not
468
477
# depends on the stop_rule if a stop is provided
470
iter([(rev_id, depth, revno, end_of_merge)]),
478
# so pop this node back into the iterator
479
rev_iter = chain(iter([node]), rev_iter)
473
481
if stop_revision_id is None:
474
for rev_id, depth, revno, end_of_merge in rev_iter:
475
yield rev_id, depth, revno, end_of_merge
483
for node in rev_iter:
484
rev_id = node.key[-1]
485
yield (rev_id, node.merge_depth, node.revno,
476
487
elif stop_rule == 'exclude':
477
for rev_id, depth, revno, end_of_merge in rev_iter:
488
for node in rev_iter:
489
rev_id = node.key[-1]
478
490
if rev_id == stop_revision_id:
480
yield rev_id, depth, revno, end_of_merge
492
yield (rev_id, node.merge_depth, node.revno,
481
494
elif stop_rule == 'include':
482
for rev_id, depth, revno, end_of_merge in rev_iter:
483
yield rev_id, depth, revno, end_of_merge
495
for node in rev_iter:
496
rev_id = node.key[-1]
497
yield (rev_id, node.merge_depth, node.revno,
484
499
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,
486
513
elif stop_rule == 'with-merges':
487
514
stop_rev = self.repository.get_revision(stop_revision_id)
488
515
if stop_rev.parent_ids:
489
516
left_parent = stop_rev.parent_ids[0]
491
518
left_parent = _mod_revision.NULL_REVISION
492
for rev_id, depth, revno, end_of_merge in rev_iter:
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]
493
525
if rev_id == left_parent:
526
# reached the left parent after the stop_revision
495
yield rev_id, depth, revno, end_of_merge
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)
497
539
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)
499
586
def leave_lock_in_place(self):
500
587
"""Tell this branch object not to release the physical lock when this
501
588
object is unlocked.
668
758
except (errors.NotStacked, errors.UnstackableBranchFormat,
669
759
errors.UnstackableRepositoryFormat):
672
# XXX: Lock correctness - should unlock our old repo if we were
674
# repositories don't offer an interface to remove fallback
675
# repositories today; take the conceptually simpler option and just
677
self.repository = self.bzrdir.find_repository()
678
self.repository.lock_write()
679
# for every revision reference the branch has, ensure it is pulled
681
source_repository = self._get_fallback_repository(old_url)
682
for revision_id in chain([self.last_revision()],
683
self.tags.get_reverse_tag_dict()):
684
self.repository.fetch(source_repository, revision_id,
687
763
self._activate_fallback_location(url)
688
764
# write this out after the repository is stacked to avoid setting a
689
765
# stacked config that doesn't work.
690
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()
693
823
def _set_tags_bytes(self, bytes):
694
824
"""Mirror method for _get_tags_bytes.
1177
1302
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()
1179
1306
:return: A BranchCheckResult.
1181
ret = BranchCheckResult(self)
1182
mainline_parent_id = None
1308
result = BranchCheckResult(self)
1183
1309
last_revno, last_revision_id = self.last_revision_info()
1184
real_rev_history = []
1186
for revid in self.repository.iter_reverse_revision_history(
1188
real_rev_history.append(revid)
1189
except errors.RevisionNotPresent:
1190
ret.ghosts_in_mainline = True
1192
ret.ghosts_in_mainline = False
1193
real_rev_history.reverse()
1194
if len(real_rev_history) != last_revno:
1195
raise errors.BzrCheckError('revno does not match len(mainline)'
1196
' %s != %s' % (last_revno, len(real_rev_history)))
1197
# TODO: We should probably also check that real_rev_history actually
1198
# matches self.revision_history()
1199
for revision_id in real_rev_history:
1201
revision = self.repository.get_revision(revision_id)
1202
except errors.NoSuchRevision, e:
1203
raise errors.BzrCheckError("mainline revision {%s} not in repository"
1205
# In general the first entry on the revision history has no parents.
1206
# But it's not illegal for it to have parents listed; this can happen
1207
# in imports from Arch when the parents weren't reachable.
1208
if mainline_parent_id is not None:
1209
if mainline_parent_id not in revision.parent_ids:
1210
raise errors.BzrCheckError("previous revision {%s} not listed among "
1212
% (mainline_parent_id, revision_id))
1213
mainline_parent_id = revision_id
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
1216
1322
def _get_checkout_format(self):
1217
1323
"""Return the most suitable metadir for a checkout of this branch.
1442
1554
"""Return the short format description for this format."""
1443
1555
raise NotImplementedError(self.get_format_description)
1445
def _initialize_helper(self, a_bzrdir, utf8_files, lock_type='metadir',
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):
1447
1567
"""Initialize a branch in a bzrdir, with specified files
1449
1569
:param a_bzrdir: The bzrdir to initialize the branch in
1450
1570
:param utf8_files: The files to create as a list of
1451
1571
(filename, content) tuples
1572
:param name: Name of colocated branch to create, if any
1452
1573
:param set_format: If True, set the format with
1453
1574
self.get_format_string. (BzrBranch4 has its format set
1455
1576
:return: a branch in this format
1457
mutter('creating branch %r in %s', self, a_bzrdir.transport.base)
1458
branch_transport = a_bzrdir.get_branch_transport(self)
1578
mutter('creating branch %r in %s', self, a_bzrdir.user_url)
1579
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1460
1581
'metadir': ('lock', lockdir.LockDir),
1461
1582
'branch4': ('branch-lock', lockable_files.TransportLock),
1638
1765
"multiple hooks installed for transform_fallback_location, "
1639
1766
"all are called with the url returned from the previous hook."
1640
1767
"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))
1643
1787
# install the default hooks into the Branch class.
1682
1826
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,
1685
1907
class BzrBranchFormat4(BranchFormat):
1686
1908
"""Bzr branch format 4.
1739
1962
return self.get_format_string()
1741
def open(self, a_bzrdir, _found=False, ignore_fallbacks=False):
1964
def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False):
1742
1965
"""See BranchFormat.open()."""
1744
format = BranchFormat.find_format(a_bzrdir)
1967
format = BranchFormat.find_format(a_bzrdir, name=name)
1745
1968
if format.__class__ != self.__class__:
1746
1969
raise AssertionError("wrong format %r found for %r" %
1747
1970
(format, self))
1971
transport = a_bzrdir.get_branch_transport(None, name=name)
1749
transport = a_bzrdir.get_branch_transport(None)
1750
1973
control_files = lockable_files.LockableFiles(transport, 'lock',
1751
1974
lockdir.LockDir)
1752
1975
return self._branch_class()(_format=self,
1753
1976
_control_files=control_files,
1754
1978
a_bzrdir=a_bzrdir,
1755
1979
_repository=a_bzrdir.find_repository(),
1756
1980
ignore_fallbacks=ignore_fallbacks)
1757
1981
except errors.NoSuchFile:
1758
raise errors.NotBranchError(path=transport.base)
1982
raise errors.NotBranchError(path=transport.base, bzrdir=a_bzrdir)
1760
1984
def __init__(self):
1761
1985
super(BranchFormatMetadir, self).__init__()
1936
2160
def get_reference(self, a_bzrdir):
1937
2161
"""See BranchFormat.get_reference()."""
1938
2162
transport = a_bzrdir.get_branch_transport(None)
1939
return transport.get('location').read()
2163
return transport.get_bytes('location')
1941
2165
def set_reference(self, a_bzrdir, to_branch):
1942
2166
"""See BranchFormat.set_reference()."""
1943
2167
transport = a_bzrdir.get_branch_transport(None)
1944
2168
location = transport.put_bytes('location', to_branch.base)
1946
def initialize(self, a_bzrdir, target_branch=None):
2170
def initialize(self, a_bzrdir, name=None, target_branch=None):
1947
2171
"""Create a branch of this format in a_bzrdir."""
1948
2172
if target_branch is None:
1949
2173
# this format does not implement branch itself, thus the implicit
1950
2174
# creation contract must see it as uninitializable
1951
2175
raise errors.UninitializableFormat(self)
1952
mutter('creating branch reference in %s', a_bzrdir.transport.base)
1953
branch_transport = a_bzrdir.get_branch_transport(self)
2176
mutter('creating branch reference in %s', a_bzrdir.user_url)
2177
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1954
2178
branch_transport.put_bytes('location',
1955
target_branch.bzrdir.root_transport.base)
2179
target_branch.bzrdir.user_url)
1956
2180
branch_transport.put_bytes('format', self.get_format_string())
1958
a_bzrdir, _found=True,
2182
a_bzrdir, name, _found=True,
1959
2183
possible_transports=[target_branch.bzrdir.root_transport])
2184
self._run_post_branch_init_hooks(a_bzrdir, name, branch)
1961
2187
def __init__(self):
1962
2188
super(BranchReferenceFormat, self).__init__()
1968
2194
def clone(to_bzrdir, revision_id=None,
1969
2195
repository_policy=None):
1970
2196
"""See Branch.clone()."""
1971
return format.initialize(to_bzrdir, a_branch)
2197
return format.initialize(to_bzrdir, target_branch=a_branch)
1972
2198
# cannot obey revision_id limits when cloning a reference ...
1973
2199
# FIXME RBC 20060210 either nuke revision_id for clone, or
1974
2200
# emit some sort of warning/error to the caller ?!
1977
def open(self, a_bzrdir, _found=False, location=None,
2203
def open(self, a_bzrdir, name=None, _found=False, location=None,
1978
2204
possible_transports=None, ignore_fallbacks=False):
1979
2205
"""Return the branch that the branch reference in a_bzrdir points at.
1981
2207
:param a_bzrdir: A BzrDir that contains a branch.
2208
:param name: Name of colocated branch to open, if any
1982
2209
:param _found: a private parameter, do not use it. It is used to
1983
2210
indicate if format probing has already be done.
1984
2211
:param ignore_fallbacks: when set, no fallback branches will be opened
2049
2277
:ivar repository: Repository for this branch.
2050
2278
:ivar base: The url of the base directory for this branch; the one
2051
2279
containing the .bzr directory.
2280
:ivar name: Optional colocated branch name as it exists in the control
2054
2284
def __init__(self, _format=None,
2055
_control_files=None, a_bzrdir=None, _repository=None,
2056
ignore_fallbacks=False):
2285
_control_files=None, a_bzrdir=None, name=None,
2286
_repository=None, ignore_fallbacks=False):
2057
2287
"""Create new branch object at a particular location."""
2058
2288
if a_bzrdir is None:
2059
2289
raise ValueError('a_bzrdir must be supplied')
2061
2291
self.bzrdir = a_bzrdir
2062
2292
self._base = self.bzrdir.transport.clone('..').base
2063
2294
# XXX: We should be able to just do
2064
2295
# self.base = self.bzrdir.root_transport.base
2065
2296
# but this does not quite work yet -- mbp 20080522