507
436
"""Iterate over an inclusive range of sorted revisions."""
508
437
rev_iter = iter(merge_sorted_revisions)
509
438
if start_revision_id is not None:
510
for node in rev_iter:
439
for rev_id, depth, revno, end_of_merge in rev_iter:
512
440
if rev_id != start_revision_id:
515
443
# The decision to include the start or not
516
444
# depends on the stop_rule if a stop is provided
517
# so pop this node back into the iterator
518
rev_iter = chain(iter([node]), rev_iter)
446
iter([(rev_id, depth, revno, end_of_merge)]),
520
449
if stop_revision_id is None:
522
for node in rev_iter:
524
yield (rev_id, node.merge_depth, node.revno,
450
for rev_id, depth, revno, end_of_merge in rev_iter:
451
yield rev_id, depth, revno, end_of_merge
526
452
elif stop_rule == 'exclude':
527
for node in rev_iter:
453
for rev_id, depth, revno, end_of_merge in rev_iter:
529
454
if rev_id == stop_revision_id:
531
yield (rev_id, node.merge_depth, node.revno,
456
yield rev_id, depth, revno, end_of_merge
533
457
elif stop_rule == 'include':
534
for node in rev_iter:
536
yield (rev_id, node.merge_depth, node.revno,
458
for rev_id, depth, revno, end_of_merge in rev_iter:
459
yield rev_id, depth, revno, end_of_merge
538
460
if rev_id == stop_revision_id:
540
elif stop_rule == 'with-merges-without-common-ancestry':
541
# We want to exclude all revisions that are already part of the
542
# stop_revision_id ancestry.
543
graph = self.repository.get_graph()
544
ancestors = graph.find_unique_ancestors(start_revision_id,
546
for node in rev_iter:
548
if rev_id not in ancestors:
550
yield (rev_id, node.merge_depth, node.revno,
552
462
elif stop_rule == 'with-merges':
553
463
stop_rev = self.repository.get_revision(stop_revision_id)
554
464
if stop_rev.parent_ids:
555
465
left_parent = stop_rev.parent_ids[0]
557
467
left_parent = _mod_revision.NULL_REVISION
558
# left_parent is the actual revision we want to stop logging at,
559
# since we want to show the merged revisions after the stop_rev too
560
reached_stop_revision_id = False
561
revision_id_whitelist = []
562
for node in rev_iter:
468
for rev_id, depth, revno, end_of_merge in rev_iter:
564
469
if rev_id == left_parent:
565
# reached the left parent after the stop_revision
567
if (not reached_stop_revision_id or
568
rev_id in revision_id_whitelist):
569
yield (rev_id, node.merge_depth, node.revno,
571
if reached_stop_revision_id or rev_id == stop_revision_id:
572
# only do the merged revs of rev_id from now on
573
rev = self.repository.get_revision(rev_id)
575
reached_stop_revision_id = True
576
revision_id_whitelist.extend(rev.parent_ids)
471
yield rev_id, depth, revno, end_of_merge
578
473
raise ValueError('invalid stop_rule %r' % stop_rule)
580
def _filter_start_non_ancestors(self, rev_iter):
581
# If we started from a dotted revno, we want to consider it as a tip
582
# and don't want to yield revisions that are not part of its
583
# ancestry. Given the order guaranteed by the merge sort, we will see
584
# uninteresting descendants of the first parent of our tip before the
586
first = rev_iter.next()
587
(rev_id, merge_depth, revno, end_of_merge) = first
590
# We start at a mainline revision so by definition, all others
591
# revisions in rev_iter are ancestors
592
for node in rev_iter:
597
pmap = self.repository.get_parent_map([rev_id])
598
parents = pmap.get(rev_id, [])
600
whitelist.update(parents)
602
# If there is no parents, there is nothing of interest left
604
# FIXME: It's hard to test this scenario here as this code is never
605
# called in that case. -- vila 20100322
608
for (rev_id, merge_depth, revno, end_of_merge) in rev_iter:
610
if rev_id in whitelist:
611
pmap = self.repository.get_parent_map([rev_id])
612
parents = pmap.get(rev_id, [])
613
whitelist.remove(rev_id)
614
whitelist.update(parents)
616
# We've reached the mainline, there is nothing left to
620
# A revision that is not part of the ancestry of our
623
yield (rev_id, merge_depth, revno, end_of_merge)
625
475
def leave_lock_in_place(self):
626
476
"""Tell this branch object not to release the physical lock when this
627
477
object is unlocked.
743
587
"""Print `file` to stdout."""
744
588
raise NotImplementedError(self.print_file)
746
@deprecated_method(deprecated_in((2, 4, 0)))
747
590
def set_revision_history(self, rev_history):
748
"""See Branch.set_revision_history."""
749
self._set_revision_history(rev_history)
752
def _set_revision_history(self, rev_history):
753
if len(rev_history) == 0:
754
revid = _mod_revision.NULL_REVISION
756
revid = rev_history[-1]
757
if rev_history != self._lefthand_history(revid):
758
raise errors.NotLefthandHistory(rev_history)
759
self.set_last_revision_info(len(rev_history), revid)
760
self._cache_revision_history(rev_history)
761
for hook in Branch.hooks['set_rh']:
762
hook(self, rev_history)
765
def set_last_revision_info(self, revno, revision_id):
766
"""Set the last revision of this branch.
768
The caller is responsible for checking that the revno is correct
769
for this revision id.
771
It may be possible to set the branch last revision to an id not
772
present in the repository. However, branches can also be
773
configured to check constraints on history, in which case this may not
776
raise NotImplementedError(self.set_last_revision_info)
779
def generate_revision_history(self, revision_id, last_rev=None,
781
"""See Branch.generate_revision_history"""
782
graph = self.repository.get_graph()
783
(last_revno, last_revid) = self.last_revision_info()
784
known_revision_ids = [
785
(last_revid, last_revno),
786
(_mod_revision.NULL_REVISION, 0),
788
if last_rev is not None:
789
if not graph.is_ancestor(last_rev, revision_id):
790
# our previous tip is not merged into stop_revision
791
raise errors.DivergedBranches(self, other_branch)
792
revno = graph.find_distance_to_null(revision_id, known_revision_ids)
793
self.set_last_revision_info(revno, revision_id)
796
def set_parent(self, url):
797
"""See Branch.set_parent."""
798
# TODO: Maybe delete old location files?
799
# URLs should never be unicode, even on the local fs,
800
# FIXUP this and get_parent in a future branch format bump:
801
# read and rewrite the file. RBC 20060125
803
if isinstance(url, unicode):
805
url = url.encode('ascii')
806
except UnicodeEncodeError:
807
raise errors.InvalidURL(url,
808
"Urls must be 7-bit ascii, "
809
"use bzrlib.urlutils.escape")
810
url = urlutils.relative_url(self.base, url)
811
self._set_parent_location(url)
591
raise NotImplementedError(self.set_revision_history)
814
593
def set_stacked_on_url(self, url):
815
594
"""Set the URL this branch is stacked against.
831
607
except (errors.NotStacked, errors.UnstackableBranchFormat,
832
608
errors.UnstackableRepositoryFormat):
611
# repositories don't offer an interface to remove fallback
612
# repositories today; take the conceptually simpler option and just
614
self.repository = self.bzrdir.find_repository()
615
# for every revision reference the branch has, ensure it is pulled
617
source_repository = self._get_fallback_repository(old_url)
618
for revision_id in chain([self.last_revision()],
619
self.tags.get_reverse_tag_dict()):
620
self.repository.fetch(source_repository, revision_id,
836
623
self._activate_fallback_location(url)
837
624
# write this out after the repository is stacked to avoid setting a
838
625
# stacked config that doesn't work.
839
626
self._set_config_location('stacked_on_location', url)
842
"""Change a branch to be unstacked, copying data as needed.
844
Don't call this directly, use set_stacked_on_url(None).
846
pb = ui.ui_factory.nested_progress_bar()
848
pb.update("Unstacking")
849
# The basic approach here is to fetch the tip of the branch,
850
# including all available ghosts, from the existing stacked
851
# repository into a new repository object without the fallbacks.
853
# XXX: See <https://launchpad.net/bugs/397286> - this may not be
854
# correct for CHKMap repostiories
855
old_repository = self.repository
856
if len(old_repository._fallback_repositories) != 1:
857
raise AssertionError("can't cope with fallback repositories "
858
"of %r (fallbacks: %r)" % (old_repository,
859
old_repository._fallback_repositories))
860
# Open the new repository object.
861
# Repositories don't offer an interface to remove fallback
862
# repositories today; take the conceptually simpler option and just
863
# reopen it. We reopen it starting from the URL so that we
864
# get a separate connection for RemoteRepositories and can
865
# stream from one of them to the other. This does mean doing
866
# separate SSH connection setup, but unstacking is not a
867
# common operation so it's tolerable.
868
new_bzrdir = bzrdir.BzrDir.open(self.bzrdir.root_transport.base)
869
new_repository = new_bzrdir.find_repository()
870
if new_repository._fallback_repositories:
871
raise AssertionError("didn't expect %r to have "
872
"fallback_repositories"
873
% (self.repository,))
874
# Replace self.repository with the new repository.
875
# Do our best to transfer the lock state (i.e. lock-tokens and
876
# lock count) of self.repository to the new repository.
877
lock_token = old_repository.lock_write().repository_token
878
self.repository = new_repository
879
if isinstance(self, remote.RemoteBranch):
880
# Remote branches can have a second reference to the old
881
# repository that need to be replaced.
882
if self._real_branch is not None:
883
self._real_branch.repository = new_repository
884
self.repository.lock_write(token=lock_token)
885
if lock_token is not None:
886
old_repository.leave_lock_in_place()
887
old_repository.unlock()
888
if lock_token is not None:
889
# XXX: self.repository.leave_lock_in_place() before this
890
# function will not be preserved. Fortunately that doesn't
891
# affect the current default format (2a), and would be a
892
# corner-case anyway.
893
# - Andrew Bennetts, 2010/06/30
894
self.repository.dont_leave_lock_in_place()
898
old_repository.unlock()
899
except errors.LockNotHeld:
902
if old_lock_count == 0:
903
raise AssertionError(
904
'old_repository should have been locked at least once.')
905
for i in range(old_lock_count-1):
906
self.repository.lock_write()
907
# Fetch from the old repository into the new.
908
old_repository.lock_read()
910
# XXX: If you unstack a branch while it has a working tree
911
# with a pending merge, the pending-merged revisions will no
912
# longer be present. You can (probably) revert and remerge.
914
tags_to_fetch = set(self.tags.get_reverse_tag_dict())
915
except errors.TagsNotSupported:
916
tags_to_fetch = set()
917
fetch_spec = _mod_graph.NotInOtherForRevs(self.repository,
918
old_repository, required_ids=[self.last_revision()],
919
if_present_ids=tags_to_fetch, find_ghosts=True).execute()
920
self.repository.fetch(old_repository, fetch_spec=fetch_spec)
922
old_repository.unlock()
926
629
def _set_tags_bytes(self, bytes):
927
630
"""Mirror method for _get_tags_bytes.
929
632
:seealso: Branch._get_tags_bytes.
931
op = cleanup.OperationWithCleanups(self._set_tags_bytes_locked)
932
op.add_cleanup(self.lock_write().unlock)
933
return op.run_simple(bytes)
935
def _set_tags_bytes_locked(self, bytes):
936
self._tags_bytes = bytes
937
return self._transport.put_bytes('tags', bytes)
634
return _run_with_write_locked_target(self, self._transport.put_bytes,
939
637
def _cache_revision_history(self, rev_history):
940
638
"""Set the cached revision history to rev_history.
1360
1061
Callers will typically also want to check the repository.
1362
:param refs: Calculated refs for this branch as specified by
1363
branch._get_check_refs()
1364
1063
:return: A BranchCheckResult.
1366
result = BranchCheckResult(self)
1065
mainline_parent_id = None
1367
1066
last_revno, last_revision_id = self.last_revision_info()
1368
actual_revno = refs[('lefthand-distance', last_revision_id)]
1369
if actual_revno != last_revno:
1370
result.errors.append(errors.BzrCheckError(
1371
'revno does not match len(mainline) %s != %s' % (
1372
last_revno, actual_revno)))
1373
# TODO: We should probably also check that self.revision_history
1374
# matches the repository for older branch formats.
1375
# If looking for the code that cross-checks repository parents against
1376
# the iter_reverse_revision_history output, that is now a repository
1067
real_rev_history = list(self.repository.iter_reverse_revision_history(
1069
real_rev_history.reverse()
1070
if len(real_rev_history) != last_revno:
1071
raise errors.BzrCheckError('revno does not match len(mainline)'
1072
' %s != %s' % (last_revno, len(real_rev_history)))
1073
# TODO: We should probably also check that real_rev_history actually
1074
# matches self.revision_history()
1075
for revision_id in real_rev_history:
1077
revision = self.repository.get_revision(revision_id)
1078
except errors.NoSuchRevision, e:
1079
raise errors.BzrCheckError("mainline revision {%s} not in repository"
1081
# In general the first entry on the revision history has no parents.
1082
# But it's not illegal for it to have parents listed; this can happen
1083
# in imports from Arch when the parents weren't reachable.
1084
if mainline_parent_id is not None:
1085
if mainline_parent_id not in revision.parent_ids:
1086
raise errors.BzrCheckError("previous revision {%s} not listed among "
1088
% (mainline_parent_id, revision_id))
1089
mainline_parent_id = revision_id
1090
return BranchCheckResult(self)
1380
1092
def _get_checkout_format(self):
1381
1093
"""Return the most suitable metadir for a checkout of this branch.
1382
1094
Weaves are used if this branch's repository uses weaves.
1384
format = self.repository.bzrdir.checkout_metadir()
1385
format.set_branch_format(self._format)
1096
if isinstance(self.bzrdir, bzrdir.BzrDirPreSplitOut):
1097
from bzrlib.repofmt import weaverepo
1098
format = bzrdir.BzrDirMetaFormat1()
1099
format.repository_format = weaverepo.RepositoryFormat7()
1101
format = self.repository.bzrdir.checkout_metadir()
1102
format.set_branch_format(self._format)
1388
1105
def create_clone_on_transport(self, to_transport, revision_id=None,
1389
stacked_on=None, create_prefix=False, use_existing_dir=False,
1391
1107
"""Create a clone of this branch and its bzrdir.
1393
1109
:param to_transport: The transport to clone onto.
1394
1110
:param revision_id: The revision id to use as tip in the new branch.
1395
1111
If None the tip is obtained from this branch.
1396
1112
:param stacked_on: An optional URL to stack the clone on.
1397
:param create_prefix: Create any missing directories leading up to
1399
:param use_existing_dir: Use an existing directory if one exists.
1401
1114
# XXX: Fix the bzrdir API to allow getting the branch back from the
1402
1115
# clone call. Or something. 20090224 RBC/spiv.
1403
# XXX: Should this perhaps clone colocated branches as well,
1404
# rather than just the default branch? 20100319 JRV
1405
if revision_id is None:
1406
revision_id = self.last_revision()
1407
1116
dir_to = self.bzrdir.clone_on_transport(to_transport,
1408
revision_id=revision_id, stacked_on=stacked_on,
1409
create_prefix=create_prefix, use_existing_dir=use_existing_dir,
1117
revision_id=revision_id, stacked_on=stacked_on)
1411
1118
return dir_to.open_branch()
1413
1120
def create_checkout(self, to_location, revision_id=None,
1813
1452
"basis revision. hooks MUST NOT modify this delta. "
1814
1453
" future_tree is an in-memory tree obtained from "
1815
1454
"CommitBuilder.revision_tree() and hooks MUST NOT modify this "
1817
self.add_hook('post_commit',
1455
"tree.", (0,91), None))
1456
self.create_hook(HookPoint('post_commit',
1818
1457
"Called in the bzr client after a commit has completed. "
1819
1458
"post_commit is called with (local, master, old_revno, old_revid, "
1820
1459
"new_revno, new_revid). old_revid is NULL_REVISION for the first "
1821
"commit to a branch.", (0, 15))
1822
self.add_hook('post_uncommit',
1460
"commit to a branch.", (0, 15), None))
1461
self.create_hook(HookPoint('post_uncommit',
1823
1462
"Called in the bzr client after an uncommit completes. "
1824
1463
"post_uncommit is called with (local, master, old_revno, "
1825
1464
"old_revid, new_revno, new_revid) where local is the local branch "
1826
1465
"or None, master is the target branch, and an empty branch "
1827
"receives new_revno of 0, new_revid of None.", (0, 15))
1828
self.add_hook('pre_change_branch_tip',
1466
"receives new_revno of 0, new_revid of None.", (0, 15), None))
1467
self.create_hook(HookPoint('pre_change_branch_tip',
1829
1468
"Called in bzr client and server before a change to the tip of a "
1830
1469
"branch is made. pre_change_branch_tip is called with a "
1831
1470
"bzrlib.branch.ChangeBranchTipParams. Note that push, pull, "
1832
"commit, uncommit will all trigger this hook.", (1, 6))
1833
self.add_hook('post_change_branch_tip',
1471
"commit, uncommit will all trigger this hook.", (1, 6), None))
1472
self.create_hook(HookPoint('post_change_branch_tip',
1834
1473
"Called in bzr client and server after a change to the tip of a "
1835
1474
"branch is made. post_change_branch_tip is called with a "
1836
1475
"bzrlib.branch.ChangeBranchTipParams. Note that push, pull, "
1837
"commit, uncommit will all trigger this hook.", (1, 4))
1838
self.add_hook('transform_fallback_location',
1476
"commit, uncommit will all trigger this hook.", (1, 4), None))
1477
self.create_hook(HookPoint('transform_fallback_location',
1839
1478
"Called when a stacked branch is activating its fallback "
1840
1479
"locations. transform_fallback_location is called with (branch, "
1841
1480
"url), and should return a new url. Returning the same url "
1908
1530
self.old_revno, self.old_revid, self.new_revno, self.new_revid)
1911
class BranchInitHookParams(object):
1912
"""Object holding parameters passed to `*_branch_init` hooks.
1914
There are 4 fields that hooks may wish to access:
1916
:ivar format: the branch format
1917
:ivar bzrdir: the BzrDir where the branch will be/has been initialized
1918
:ivar name: name of colocated branch, if any (or None)
1919
:ivar branch: the branch created
1921
Note that for lightweight checkouts, the bzrdir and format fields refer to
1922
the checkout, hence they are different from the corresponding fields in
1923
branch, which refer to the original branch.
1926
def __init__(self, format, a_bzrdir, name, branch):
1927
"""Create a group of BranchInitHook parameters.
1929
:param format: the branch format
1930
:param a_bzrdir: the BzrDir where the branch will be/has been
1932
:param name: name of colocated branch, if any (or None)
1933
:param branch: the branch created
1935
Note that for lightweight checkouts, the bzrdir and format fields refer
1936
to the checkout, hence they are different from the corresponding fields
1937
in branch, which refer to the original branch.
1939
self.format = format
1940
self.bzrdir = a_bzrdir
1942
self.branch = branch
1944
def __eq__(self, other):
1945
return self.__dict__ == other.__dict__
1948
return "<%s of %s>" % (self.__class__.__name__, self.branch)
1951
class SwitchHookParams(object):
1952
"""Object holding parameters passed to `*_switch` hooks.
1954
There are 4 fields that hooks may wish to access:
1956
:ivar control_dir: BzrDir of the checkout to change
1957
:ivar to_branch: branch that the checkout is to reference
1958
:ivar force: skip the check for local commits in a heavy checkout
1959
:ivar revision_id: revision ID to switch to (or None)
1962
def __init__(self, control_dir, to_branch, force, revision_id):
1963
"""Create a group of SwitchHook parameters.
1965
:param control_dir: BzrDir of the checkout to change
1966
:param to_branch: branch that the checkout is to reference
1967
:param force: skip the check for local commits in a heavy checkout
1968
:param revision_id: revision ID to switch to (or None)
1970
self.control_dir = control_dir
1971
self.to_branch = to_branch
1973
self.revision_id = revision_id
1975
def __eq__(self, other):
1976
return self.__dict__ == other.__dict__
1979
return "<%s for %s to (%s, %s)>" % (self.__class__.__name__,
1980
self.control_dir, self.to_branch,
1533
class BzrBranchFormat4(BranchFormat):
1534
"""Bzr branch format 4.
1537
- a revision-history file.
1538
- a branch-lock lock file [ to be shared with the bzrdir ]
1541
def get_format_description(self):
1542
"""See BranchFormat.get_format_description()."""
1543
return "Branch format 4"
1545
def initialize(self, a_bzrdir):
1546
"""Create a branch of this format in a_bzrdir."""
1547
utf8_files = [('revision-history', ''),
1548
('branch-name', ''),
1550
return self._initialize_helper(a_bzrdir, utf8_files,
1551
lock_type='branch4', set_format=False)
1554
super(BzrBranchFormat4, self).__init__()
1555
self._matchingbzrdir = bzrdir.BzrDirFormat6()
1557
def network_name(self):
1558
"""The network name for this format is the control dirs disk label."""
1559
return self._matchingbzrdir.get_format_string()
1561
def open(self, a_bzrdir, _found=False, ignore_fallbacks=False):
1562
"""See BranchFormat.open()."""
1564
# we are being called directly and must probe.
1565
raise NotImplementedError
1566
return BzrBranch(_format=self,
1567
_control_files=a_bzrdir._control_files,
1569
_repository=a_bzrdir.open_repository())
1572
return "Bazaar-NG branch format 4"
1984
1575
class BranchFormatMetadir(BranchFormat):
2501
1939
"""See Branch.print_file."""
2502
1940
return self.repository.print_file(file, revision_id)
1942
def _write_revision_history(self, history):
1943
"""Factored out of set_revision_history.
1945
This performs the actual writing to disk.
1946
It is intended to be called by BzrBranch5.set_revision_history."""
1947
self._transport.put_bytes(
1948
'revision-history', '\n'.join(history),
1949
mode=self.bzrdir._get_file_mode())
1952
def set_revision_history(self, rev_history):
1953
"""See Branch.set_revision_history."""
1954
if 'evil' in debug.debug_flags:
1955
mutter_callsite(3, "set_revision_history scales with history.")
1956
check_not_reserved_id = _mod_revision.check_not_reserved_id
1957
for rev_id in rev_history:
1958
check_not_reserved_id(rev_id)
1959
if Branch.hooks['post_change_branch_tip']:
1960
# Don't calculate the last_revision_info() if there are no hooks
1962
old_revno, old_revid = self.last_revision_info()
1963
if len(rev_history) == 0:
1964
revid = _mod_revision.NULL_REVISION
1966
revid = rev_history[-1]
1967
self._run_pre_change_branch_tip_hooks(len(rev_history), revid)
1968
self._write_revision_history(rev_history)
1969
self._clear_cached_state()
1970
self._cache_revision_history(rev_history)
1971
for hook in Branch.hooks['set_rh']:
1972
hook(self, rev_history)
1973
if Branch.hooks['post_change_branch_tip']:
1974
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
1976
def _synchronize_history(self, destination, revision_id):
1977
"""Synchronize last revision and revision history between branches.
1979
This version is most efficient when the destination is also a
1980
BzrBranch5, but works for BzrBranch6 as long as the revision
1981
history is the true lefthand parent history, and all of the revisions
1982
are in the destination's repository. If not, set_revision_history
1985
:param destination: The branch to copy the history into
1986
:param revision_id: The revision-id to truncate history at. May
1987
be None to copy complete history.
1989
if not isinstance(destination._format, BzrBranchFormat5):
1990
super(BzrBranch, self)._synchronize_history(
1991
destination, revision_id)
1993
if revision_id == _mod_revision.NULL_REVISION:
1996
new_history = self.revision_history()
1997
if revision_id is not None and new_history != []:
1999
new_history = new_history[:new_history.index(revision_id) + 1]
2001
rev = self.repository.get_revision(revision_id)
2002
new_history = rev.get_history(self.repository)[1:]
2003
destination.set_revision_history(new_history)
2504
2005
@needs_write_lock
2505
2006
def set_last_revision_info(self, revno, revision_id):
2506
if not revision_id or not isinstance(revision_id, basestring):
2507
raise errors.InvalidRevisionId(revision_id=revision_id, branch=self)
2007
"""Set the last revision of this branch.
2009
The caller is responsible for checking that the revno is correct
2010
for this revision id.
2012
It may be possible to set the branch last revision to an id not
2013
present in the repository. However, branches can also be
2014
configured to check constraints on history, in which case this may not
2508
2017
revision_id = _mod_revision.ensure_null(revision_id)
2509
old_revno, old_revid = self.last_revision_info()
2510
if self._get_append_revisions_only():
2511
self._check_history_violation(revision_id)
2512
self._run_pre_change_branch_tip_hooks(revno, revision_id)
2513
self._write_last_revision_info(revno, revision_id)
2514
self._clear_cached_state()
2515
self._last_revision_info_cache = revno, revision_id
2516
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
2018
# this old format stores the full history, but this api doesn't
2019
# provide it, so we must generate, and might as well check it's
2021
history = self._lefthand_history(revision_id)
2022
if len(history) != revno:
2023
raise AssertionError('%d != %d' % (len(history), revno))
2024
self.set_revision_history(history)
2026
def _gen_revision_history(self):
2027
history = self._transport.get_bytes('revision-history').split('\n')
2028
if history[-1:] == ['']:
2029
# There shouldn't be a trailing newline, but just in case.
2034
def generate_revision_history(self, revision_id, last_rev=None,
2036
"""Create a new revision history that will finish with revision_id.
2038
:param revision_id: the new tip to use.
2039
:param last_rev: The previous last_revision. If not None, then this
2040
must be a ancestory of revision_id, or DivergedBranches is raised.
2041
:param other_branch: The other branch that DivergedBranches should
2042
raise with respect to.
2044
self.set_revision_history(self._lefthand_history(revision_id,
2045
last_rev, other_branch))
2518
2047
def basis_tree(self):
2519
2048
"""See Branch.basis_tree."""
2520
2049
return self.repository.revision_tree(self.last_revision())
2052
def pull(self, source, overwrite=False, stop_revision=None,
2053
_hook_master=None, run_hooks=True, possible_transports=None,
2054
_override_hook_target=None):
2057
:param _hook_master: Private parameter - set the branch to
2058
be supplied as the master to pull hooks.
2059
:param run_hooks: Private parameter - if false, this branch
2060
is being called because it's the master of the primary branch,
2061
so it should not run its hooks.
2062
:param _override_hook_target: Private parameter - set the branch to be
2063
supplied as the target_branch to pull hooks.
2065
result = PullResult()
2066
result.source_branch = source
2067
if _override_hook_target is None:
2068
result.target_branch = self
2070
result.target_branch = _override_hook_target
2073
# We assume that during 'pull' the local repository is closer than
2075
graph = self.repository.get_graph(source.repository)
2076
result.old_revno, result.old_revid = self.last_revision_info()
2077
self.update_revisions(source, stop_revision, overwrite=overwrite,
2079
result.tag_conflicts = source.tags.merge_to(self.tags, overwrite)
2080
result.new_revno, result.new_revid = self.last_revision_info()
2082
result.master_branch = _hook_master
2083
result.local_branch = result.target_branch
2085
result.master_branch = result.target_branch
2086
result.local_branch = None
2088
for hook in Branch.hooks['post_pull']:
2522
2094
def _get_parent_location(self):
2523
2095
_locs = ['parent', 'pull', 'x-pull']
2524
2096
for l in _locs:
2104
def push(self, target, overwrite=False, stop_revision=None,
2105
_override_hook_source_branch=None):
2108
This is the basic concrete implementation of push()
2110
:param _override_hook_source_branch: If specified, run
2111
the hooks passing this Branch as the source, rather than self.
2112
This is for use of RemoteBranch, where push is delegated to the
2113
underlying vfs-based Branch.
2115
# TODO: Public option to disable running hooks - should be trivial but
2117
return _run_with_write_locked_target(
2118
target, self._push_with_bound_branches, target, overwrite,
2120
_override_hook_source_branch=_override_hook_source_branch)
2122
def _push_with_bound_branches(self, target, overwrite,
2124
_override_hook_source_branch=None):
2125
"""Push from self into target, and into target's master if any.
2127
This is on the base BzrBranch class even though it doesn't support
2128
bound branches because the *target* might be bound.
2131
if _override_hook_source_branch:
2132
result.source_branch = _override_hook_source_branch
2133
for hook in Branch.hooks['post_push']:
2136
bound_location = target.get_bound_location()
2137
if bound_location and target.base != bound_location:
2138
# there is a master branch.
2140
# XXX: Why the second check? Is it even supported for a branch to
2141
# be bound to itself? -- mbp 20070507
2142
master_branch = target.get_master_branch()
2143
master_branch.lock_write()
2145
# push into the master from this branch.
2146
self._basic_push(master_branch, overwrite, stop_revision)
2147
# and push into the target branch from this. Note that we push from
2148
# this branch again, because its considered the highest bandwidth
2150
result = self._basic_push(target, overwrite, stop_revision)
2151
result.master_branch = master_branch
2152
result.local_branch = target
2156
master_branch.unlock()
2159
result = self._basic_push(target, overwrite, stop_revision)
2160
# TODO: Why set master_branch and local_branch if there's no
2161
# binding? Maybe cleaner to just leave them unset? -- mbp
2163
result.master_branch = target
2164
result.local_branch = None
2168
def _basic_push(self, target, overwrite, stop_revision):
2169
"""Basic implementation of push without bound branches or hooks.
2171
Must be called with self read locked and target write locked.
2173
result = BranchPushResult()
2174
result.source_branch = self
2175
result.target_branch = target
2176
result.old_revno, result.old_revid = target.last_revision_info()
2177
if result.old_revid != self.last_revision():
2178
# We assume that during 'push' this repository is closer than
2180
graph = self.repository.get_graph(target.repository)
2181
target.update_revisions(self, stop_revision, overwrite=overwrite,
2183
if self._push_should_merge_tags():
2184
result.tag_conflicts = self.tags.merge_to(target.tags, overwrite)
2185
result.new_revno, result.new_revid = target.last_revision_info()
2531
2188
def get_stacked_on_url(self):
2532
raise errors.UnstackableBranchFormat(self._format, self.user_url)
2189
raise errors.UnstackableBranchFormat(self._format, self.base)
2534
2191
def set_push_location(self, location):
2535
2192
"""See Branch.set_push_location."""
2640
def _read_last_revision_info(self):
2641
revision_string = self._transport.get_bytes('last-revision')
2642
revno, revision_id = revision_string.rstrip('\n').split(' ', 1)
2643
revision_id = cache_utf8.get_cached_utf8(revision_id)
2645
return revno, revision_id
2647
def _write_last_revision_info(self, revno, revision_id):
2648
"""Simply write out the revision id, with no checks.
2650
Use set_last_revision_info to perform this safely.
2652
Does not update the revision_history cache.
2654
revision_id = _mod_revision.ensure_null(revision_id)
2655
out_string = '%d %s\n' % (revno, revision_id)
2656
self._transport.put_bytes('last-revision', out_string,
2657
mode=self.bzrdir._get_file_mode())
2660
class FullHistoryBzrBranch(BzrBranch):
2661
"""Bzr branch which contains the full revision history."""
2664
def set_last_revision_info(self, revno, revision_id):
2665
if not revision_id or not isinstance(revision_id, basestring):
2666
raise errors.InvalidRevisionId(revision_id=revision_id, branch=self)
2667
revision_id = _mod_revision.ensure_null(revision_id)
2668
# this old format stores the full history, but this api doesn't
2669
# provide it, so we must generate, and might as well check it's
2671
history = self._lefthand_history(revision_id)
2672
if len(history) != revno:
2673
raise AssertionError('%d != %d' % (len(history), revno))
2674
self._set_revision_history(history)
2676
def _read_last_revision_info(self):
2677
rh = self.revision_history()
2680
return (revno, rh[-1])
2682
return (0, _mod_revision.NULL_REVISION)
2684
@deprecated_method(deprecated_in((2, 4, 0)))
2686
def set_revision_history(self, rev_history):
2687
"""See Branch.set_revision_history."""
2688
self._set_revision_history(rev_history)
2690
def _set_revision_history(self, rev_history):
2691
if 'evil' in debug.debug_flags:
2692
mutter_callsite(3, "set_revision_history scales with history.")
2693
check_not_reserved_id = _mod_revision.check_not_reserved_id
2694
for rev_id in rev_history:
2695
check_not_reserved_id(rev_id)
2696
if Branch.hooks['post_change_branch_tip']:
2697
# Don't calculate the last_revision_info() if there are no hooks
2699
old_revno, old_revid = self.last_revision_info()
2700
if len(rev_history) == 0:
2701
revid = _mod_revision.NULL_REVISION
2703
revid = rev_history[-1]
2704
self._run_pre_change_branch_tip_hooks(len(rev_history), revid)
2705
self._write_revision_history(rev_history)
2706
self._clear_cached_state()
2707
self._cache_revision_history(rev_history)
2708
for hook in Branch.hooks['set_rh']:
2709
hook(self, rev_history)
2710
if Branch.hooks['post_change_branch_tip']:
2711
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
2713
def _write_revision_history(self, history):
2714
"""Factored out of set_revision_history.
2716
This performs the actual writing to disk.
2717
It is intended to be called by set_revision_history."""
2718
self._transport.put_bytes(
2719
'revision-history', '\n'.join(history),
2720
mode=self.bzrdir._get_file_mode())
2722
def _gen_revision_history(self):
2723
history = self._transport.get_bytes('revision-history').split('\n')
2724
if history[-1:] == ['']:
2725
# There shouldn't be a trailing newline, but just in case.
2729
def _synchronize_history(self, destination, revision_id):
2730
if not isinstance(destination, FullHistoryBzrBranch):
2731
super(BzrBranch, self)._synchronize_history(
2732
destination, revision_id)
2734
if revision_id == _mod_revision.NULL_REVISION:
2737
new_history = self.revision_history()
2738
if revision_id is not None and new_history != []:
2740
new_history = new_history[:new_history.index(revision_id) + 1]
2742
rev = self.repository.get_revision(revision_id)
2743
new_history = rev.get_history(self.repository)[1:]
2744
destination._set_revision_history(new_history)
2747
def generate_revision_history(self, revision_id, last_rev=None,
2749
"""Create a new revision history that will finish with revision_id.
2751
:param revision_id: the new tip to use.
2752
:param last_rev: The previous last_revision. If not None, then this
2753
must be a ancestory of revision_id, or DivergedBranches is raised.
2754
:param other_branch: The other branch that DivergedBranches should
2755
raise with respect to.
2757
self._set_revision_history(self._lefthand_history(revision_id,
2758
last_rev, other_branch))
2761
class BzrBranch5(FullHistoryBzrBranch):
2762
"""A format 5 branch. This supports new features over plain branches.
2764
It has support for a master_branch which is the data for bound branches.
2768
class BzrBranch8(BzrBranch):
2769
"""A branch that stores tree-reference locations."""
2350
class BzrBranch7(BzrBranch5):
2351
"""A branch with support for a fallback repository."""
2771
2353
def _open_hook(self):
2772
2354
if self._ignore_fallbacks:
2789
2371
def __init__(self, *args, **kwargs):
2790
2372
self._ignore_fallbacks = kwargs.get('ignore_fallbacks', False)
2791
super(BzrBranch8, self).__init__(*args, **kwargs)
2373
super(BzrBranch7, self).__init__(*args, **kwargs)
2792
2374
self._last_revision_info_cache = None
2793
self._reference_info = None
2375
self._partial_revision_history_cache = []
2795
2377
def _clear_cached_state(self):
2796
super(BzrBranch8, self)._clear_cached_state()
2378
super(BzrBranch7, self)._clear_cached_state()
2797
2379
self._last_revision_info_cache = None
2798
self._reference_info = None
2380
self._partial_revision_history_cache = []
2382
def _last_revision_info(self):
2383
revision_string = self._transport.get_bytes('last-revision')
2384
revno, revision_id = revision_string.rstrip('\n').split(' ', 1)
2385
revision_id = cache_utf8.get_cached_utf8(revision_id)
2387
return revno, revision_id
2389
def _write_last_revision_info(self, revno, revision_id):
2390
"""Simply write out the revision id, with no checks.
2392
Use set_last_revision_info to perform this safely.
2394
Does not update the revision_history cache.
2395
Intended to be called by set_last_revision_info and
2396
_write_revision_history.
2398
revision_id = _mod_revision.ensure_null(revision_id)
2399
out_string = '%d %s\n' % (revno, revision_id)
2400
self._transport.put_bytes('last-revision', out_string,
2401
mode=self.bzrdir._get_file_mode())
2404
def set_last_revision_info(self, revno, revision_id):
2405
revision_id = _mod_revision.ensure_null(revision_id)
2406
old_revno, old_revid = self.last_revision_info()
2407
if self._get_append_revisions_only():
2408
self._check_history_violation(revision_id)
2409
self._run_pre_change_branch_tip_hooks(revno, revision_id)
2410
self._write_last_revision_info(revno, revision_id)
2411
self._clear_cached_state()
2412
self._last_revision_info_cache = revno, revision_id
2413
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
2415
def _synchronize_history(self, destination, revision_id):
2416
"""Synchronize last revision and revision history between branches.
2418
:see: Branch._synchronize_history
2420
# XXX: The base Branch has a fast implementation of this method based
2421
# on set_last_revision_info, but BzrBranch/BzrBranch5 have a slower one
2422
# that uses set_revision_history. This class inherits from BzrBranch5,
2423
# but wants the fast implementation, so it calls
2424
# Branch._synchronize_history directly.
2425
Branch._synchronize_history(self, destination, revision_id)
2800
2427
def _check_history_violation(self, revision_id):
2801
current_revid = self.last_revision()
2802
last_revision = _mod_revision.ensure_null(current_revid)
2428
last_revision = _mod_revision.ensure_null(self.last_revision())
2803
2429
if _mod_revision.is_null(last_revision):
2805
graph = self.repository.get_graph()
2806
for lh_ancestor in graph.iter_lefthand_ancestry(revision_id):
2807
if lh_ancestor == current_revid:
2809
raise errors.AppendRevisionsOnlyViolation(self.user_url)
2431
if last_revision not in self._lefthand_history(revision_id):
2432
raise errors.AppendRevisionsOnlyViolation(self.base)
2811
2434
def _gen_revision_history(self):
2812
2435
"""Generate the revision history from last revision
2825
2493
"""Set the parent branch"""
2826
2494
return self._get_config_location('parent_location')
2829
def _set_all_reference_info(self, info_dict):
2830
"""Replace all reference info stored in a branch.
2832
:param info_dict: A dict of {file_id: (tree_path, branch_location)}
2835
writer = rio.RioWriter(s)
2836
for key, (tree_path, branch_location) in info_dict.iteritems():
2837
stanza = rio.Stanza(file_id=key, tree_path=tree_path,
2838
branch_location=branch_location)
2839
writer.write_stanza(stanza)
2840
self._transport.put_bytes('references', s.getvalue())
2841
self._reference_info = info_dict
2844
def _get_all_reference_info(self):
2845
"""Return all the reference info stored in a branch.
2847
:return: A dict of {file_id: (tree_path, branch_location)}
2849
if self._reference_info is not None:
2850
return self._reference_info
2851
rio_file = self._transport.get('references')
2853
stanzas = rio.read_stanzas(rio_file)
2854
info_dict = dict((s['file_id'], (s['tree_path'],
2855
s['branch_location'])) for s in stanzas)
2858
self._reference_info = info_dict
2861
def set_reference_info(self, file_id, tree_path, branch_location):
2862
"""Set the branch location to use for a tree reference.
2864
:param file_id: The file-id of the tree reference.
2865
:param tree_path: The path of the tree reference in the tree.
2866
:param branch_location: The location of the branch to retrieve tree
2869
info_dict = self._get_all_reference_info()
2870
info_dict[file_id] = (tree_path, branch_location)
2871
if None in (tree_path, branch_location):
2872
if tree_path is not None:
2873
raise ValueError('tree_path must be None when branch_location'
2875
if branch_location is not None:
2876
raise ValueError('branch_location must be None when tree_path'
2878
del info_dict[file_id]
2879
self._set_all_reference_info(info_dict)
2881
def get_reference_info(self, file_id):
2882
"""Get the tree_path and branch_location for a tree reference.
2884
:return: a tuple of (tree_path, branch_location)
2886
return self._get_all_reference_info().get(file_id, (None, None))
2888
def reference_parent(self, file_id, path, possible_transports=None):
2889
"""Return the parent branch for a tree-reference file_id.
2891
:param file_id: The file_id of the tree reference
2892
:param path: The path of the file_id in the tree
2893
:return: A branch associated with the file_id
2895
branch_location = self.get_reference_info(file_id)[1]
2896
if branch_location is None:
2897
return Branch.reference_parent(self, file_id, path,
2898
possible_transports)
2899
branch_location = urlutils.join(self.user_url, branch_location)
2900
return Branch.open(branch_location,
2901
possible_transports=possible_transports)
2903
2496
def set_push_location(self, location):
2904
2497
"""See Branch.set_push_location."""
2905
2498
self._set_config_location('push_location', location)
2907
2500
def set_bound_location(self, location):
2908
2501
"""See Branch.set_push_location."""
2909
self._master_branch_cache = None
2911
2503
config = self.get_config()
2912
2504
if location is None:
3186
2787
_optimisers = []
3187
2788
"""The available optimised InterBranch types."""
3190
def _get_branch_formats_to_test(klass):
3191
"""Return an iterable of format tuples for testing.
3193
:return: An iterable of (from_format, to_format) to use when testing
3194
this InterBranch class. Each InterBranch class should define this
3197
raise NotImplementedError(klass._get_branch_formats_to_test)
3200
def pull(self, overwrite=False, stop_revision=None,
3201
possible_transports=None, local=False):
3202
"""Mirror source into target branch.
3204
The target branch is considered to be 'local', having low latency.
3206
:returns: PullResult instance
3208
raise NotImplementedError(self.pull)
3211
def push(self, overwrite=False, stop_revision=None, lossy=False,
3212
_override_hook_source_branch=None):
3213
"""Mirror the source branch into the target branch.
3215
The source branch is considered to be 'local', having low latency.
3217
raise NotImplementedError(self.push)
3220
def copy_content_into(self, revision_id=None):
3221
"""Copy the content of source into target
3223
revision_id: if not None, the revision history in the new branch will
3224
be truncated to end with revision_id.
3226
raise NotImplementedError(self.copy_content_into)
3229
def fetch(self, stop_revision=None, limit=None):
3232
:param stop_revision: Last revision to fetch
3233
:param limit: Optional rough limit of revisions to fetch
3235
raise NotImplementedError(self.fetch)
2791
def _get_branch_formats_to_test():
2792
"""Return a tuple with the Branch formats to use when testing."""
2793
raise NotImplementedError(self._get_branch_formats_to_test)
2795
def update_revisions(self, stop_revision=None, overwrite=False,
2797
"""Pull in new perfect-fit revisions.
2799
:param stop_revision: Updated until the given revision
2800
:param overwrite: Always set the branch pointer, rather than checking
2801
to see if it is a proper descendant.
2802
:param graph: A Graph object that can be used to query history
2803
information. This can be None.
2806
raise NotImplementedError(self.update_revisions)
3238
2809
class GenericInterBranch(InterBranch):
3239
"""InterBranch implementation that uses public Branch functions."""
2810
"""InterBranch implementation that uses public Branch functions.
2814
def _get_branch_formats_to_test():
2815
return BranchFormat._default_format, BranchFormat._default_format
2817
def update_revisions(self, stop_revision=None, overwrite=False,
2819
"""See InterBranch.update_revisions()."""
2820
self.source.lock_read()
2822
other_revno, other_last_revision = self.source.last_revision_info()
2823
stop_revno = None # unknown
2824
if stop_revision is None:
2825
stop_revision = other_last_revision
2826
if _mod_revision.is_null(stop_revision):
2827
# if there are no commits, we're done.
2829
stop_revno = other_revno
2831
# what's the current last revision, before we fetch [and change it
2833
last_rev = _mod_revision.ensure_null(self.target.last_revision())
2834
# we fetch here so that we don't process data twice in the common
2835
# case of having something to pull, and so that the check for
2836
# already merged can operate on the just fetched graph, which will
2837
# be cached in memory.
2838
self.target.fetch(self.source, stop_revision)
2839
# Check to see if one is an ancestor of the other
2842
graph = self.target.repository.get_graph()
2843
if self.target._check_if_descendant_or_diverged(
2844
stop_revision, last_rev, graph, self.source):
2845
# stop_revision is a descendant of last_rev, but we aren't
2846
# overwriting, so we're done.
2848
if stop_revno is None:
2850
graph = self.target.repository.get_graph()
2851
this_revno, this_last_revision = \
2852
self.target.last_revision_info()
2853
stop_revno = graph.find_distance_to_null(stop_revision,
2854
[(other_last_revision, other_revno),
2855
(this_last_revision, this_revno)])
2856
self.target.set_last_revision_info(stop_revno, stop_revision)
2858
self.source.unlock()
3242
def is_compatible(klass, source, target):
2861
def is_compatible(self, source, target):
3243
2862
# GenericBranch uses the public API, so always compatible
3247
def _get_branch_formats_to_test(klass):
3248
return [(format_registry.get_default(), format_registry.get_default())]
3251
def unwrap_format(klass, format):
3252
if isinstance(format, remote.RemoteBranchFormat):
3253
format._ensure_real()
3254
return format._custom_format
3258
def copy_content_into(self, revision_id=None):
3259
"""Copy the content of source into target
3261
revision_id: if not None, the revision history in the new branch will
3262
be truncated to end with revision_id.
3264
self.source.update_references(self.target)
3265
self.source._synchronize_history(self.target, revision_id)
3267
parent = self.source.get_parent()
3268
except errors.InaccessibleParent, e:
3269
mutter('parent was not accessible to copy: %s', e)
3272
self.target.set_parent(parent)
3273
if self.source._push_should_merge_tags():
3274
self.source.tags.merge_to(self.target.tags)
3277
def fetch(self, stop_revision=None, limit=None):
3278
if self.target.base == self.source.base:
3280
self.source.lock_read()
3282
fetch_spec_factory = fetch.FetchSpecFactory()
3283
fetch_spec_factory.source_branch = self.source
3284
fetch_spec_factory.source_branch_stop_revision_id = stop_revision
3285
fetch_spec_factory.source_repo = self.source.repository
3286
fetch_spec_factory.target_repo = self.target.repository
3287
fetch_spec_factory.target_repo_kind = fetch.TargetRepoKinds.PREEXISTING
3288
fetch_spec_factory.limit = limit
3289
fetch_spec = fetch_spec_factory.make_fetch_spec()
3290
return self.target.repository.fetch(self.source.repository,
3291
fetch_spec=fetch_spec)
3293
self.source.unlock()
3296
def _update_revisions(self, stop_revision=None, overwrite=False,
3298
other_revno, other_last_revision = self.source.last_revision_info()
3299
stop_revno = None # unknown
3300
if stop_revision is None:
3301
stop_revision = other_last_revision
3302
if _mod_revision.is_null(stop_revision):
3303
# if there are no commits, we're done.
3305
stop_revno = other_revno
3307
# what's the current last revision, before we fetch [and change it
3309
last_rev = _mod_revision.ensure_null(self.target.last_revision())
3310
# we fetch here so that we don't process data twice in the common
3311
# case of having something to pull, and so that the check for
3312
# already merged can operate on the just fetched graph, which will
3313
# be cached in memory.
3314
self.fetch(stop_revision=stop_revision)
3315
# Check to see if one is an ancestor of the other
3318
graph = self.target.repository.get_graph()
3319
if self.target._check_if_descendant_or_diverged(
3320
stop_revision, last_rev, graph, self.source):
3321
# stop_revision is a descendant of last_rev, but we aren't
3322
# overwriting, so we're done.
3324
if stop_revno is None:
3326
graph = self.target.repository.get_graph()
3327
this_revno, this_last_revision = \
3328
self.target.last_revision_info()
3329
stop_revno = graph.find_distance_to_null(stop_revision,
3330
[(other_last_revision, other_revno),
3331
(this_last_revision, this_revno)])
3332
self.target.set_last_revision_info(stop_revno, stop_revision)
3335
def pull(self, overwrite=False, stop_revision=None,
3336
possible_transports=None, run_hooks=True,
3337
_override_hook_target=None, local=False):
3338
"""Pull from source into self, updating my master if any.
3340
:param run_hooks: Private parameter - if false, this branch
3341
is being called because it's the master of the primary branch,
3342
so it should not run its hooks.
3344
bound_location = self.target.get_bound_location()
3345
if local and not bound_location:
3346
raise errors.LocalRequiresBoundBranch()
3347
master_branch = None
3348
source_is_master = False
3350
# bound_location comes from a config file, some care has to be
3351
# taken to relate it to source.user_url
3352
normalized = urlutils.normalize_url(bound_location)
3354
relpath = self.source.user_transport.relpath(normalized)
3355
source_is_master = (relpath == '')
3356
except (errors.PathNotChild, errors.InvalidURL):
3357
source_is_master = False
3358
if not local and bound_location and not source_is_master:
3359
# not pulling from master, so we need to update master.
3360
master_branch = self.target.get_master_branch(possible_transports)
3361
master_branch.lock_write()
3364
# pull from source into master.
3365
master_branch.pull(self.source, overwrite, stop_revision,
3367
return self._pull(overwrite,
3368
stop_revision, _hook_master=master_branch,
3369
run_hooks=run_hooks,
3370
_override_hook_target=_override_hook_target,
3371
merge_tags_to_master=not source_is_master)
3374
master_branch.unlock()
3376
def push(self, overwrite=False, stop_revision=None, lossy=False,
3377
_override_hook_source_branch=None):
3378
"""See InterBranch.push.
3380
This is the basic concrete implementation of push()
3382
:param _override_hook_source_branch: If specified, run the hooks
3383
passing this Branch as the source, rather than self. This is for
3384
use of RemoteBranch, where push is delegated to the underlying
3388
raise errors.LossyPushToSameVCS(self.source, self.target)
3389
# TODO: Public option to disable running hooks - should be trivial but
3392
op = cleanup.OperationWithCleanups(self._push_with_bound_branches)
3393
op.add_cleanup(self.source.lock_read().unlock)
3394
op.add_cleanup(self.target.lock_write().unlock)
3395
return op.run(overwrite, stop_revision,
3396
_override_hook_source_branch=_override_hook_source_branch)
3398
def _basic_push(self, overwrite, stop_revision):
3399
"""Basic implementation of push without bound branches or hooks.
3401
Must be called with source read locked and target write locked.
3403
result = BranchPushResult()
3404
result.source_branch = self.source
3405
result.target_branch = self.target
3406
result.old_revno, result.old_revid = self.target.last_revision_info()
3407
self.source.update_references(self.target)
3408
if result.old_revid != stop_revision:
3409
# We assume that during 'push' this repository is closer than
3411
graph = self.source.repository.get_graph(self.target.repository)
3412
self._update_revisions(stop_revision, overwrite=overwrite,
3414
if self.source._push_should_merge_tags():
3415
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
3417
result.new_revno, result.new_revid = self.target.last_revision_info()
3420
def _push_with_bound_branches(self, operation, overwrite, stop_revision,
3421
_override_hook_source_branch=None):
3422
"""Push from source into target, and into target's master if any.
3425
if _override_hook_source_branch:
3426
result.source_branch = _override_hook_source_branch
3427
for hook in Branch.hooks['post_push']:
3430
bound_location = self.target.get_bound_location()
3431
if bound_location and self.target.base != bound_location:
3432
# there is a master branch.
3434
# XXX: Why the second check? Is it even supported for a branch to
3435
# be bound to itself? -- mbp 20070507
3436
master_branch = self.target.get_master_branch()
3437
master_branch.lock_write()
3438
operation.add_cleanup(master_branch.unlock)
3439
# push into the master from the source branch.
3440
master_inter = InterBranch.get(self.source, master_branch)
3441
master_inter._basic_push(overwrite, stop_revision)
3442
# and push into the target branch from the source. Note that
3443
# we push from the source branch again, because it's considered
3444
# the highest bandwidth repository.
3445
result = self._basic_push(overwrite, stop_revision)
3446
result.master_branch = master_branch
3447
result.local_branch = self.target
3449
master_branch = None
3451
result = self._basic_push(overwrite, stop_revision)
3452
# TODO: Why set master_branch and local_branch if there's no
3453
# binding? Maybe cleaner to just leave them unset? -- mbp
3455
result.master_branch = self.target
3456
result.local_branch = None
3460
def _pull(self, overwrite=False, stop_revision=None,
3461
possible_transports=None, _hook_master=None, run_hooks=True,
3462
_override_hook_target=None, local=False,
3463
merge_tags_to_master=True):
3466
This function is the core worker, used by GenericInterBranch.pull to
3467
avoid duplication when pulling source->master and source->local.
3469
:param _hook_master: Private parameter - set the branch to
3470
be supplied as the master to pull hooks.
3471
:param run_hooks: Private parameter - if false, this branch
3472
is being called because it's the master of the primary branch,
3473
so it should not run its hooks.
3474
is being called because it's the master of the primary branch,
3475
so it should not run its hooks.
3476
:param _override_hook_target: Private parameter - set the branch to be
3477
supplied as the target_branch to pull hooks.
3478
:param local: Only update the local branch, and not the bound branch.
3480
# This type of branch can't be bound.
3482
raise errors.LocalRequiresBoundBranch()
3483
result = PullResult()
3484
result.source_branch = self.source
3485
if _override_hook_target is None:
3486
result.target_branch = self.target
3488
result.target_branch = _override_hook_target
3489
self.source.lock_read()
3491
# We assume that during 'pull' the target repository is closer than
3493
self.source.update_references(self.target)
3494
graph = self.target.repository.get_graph(self.source.repository)
3495
# TODO: Branch formats should have a flag that indicates
3496
# that revno's are expensive, and pull() should honor that flag.
3498
result.old_revno, result.old_revid = \
3499
self.target.last_revision_info()
3500
self._update_revisions(stop_revision, overwrite=overwrite,
3502
# TODO: The old revid should be specified when merging tags,
3503
# so a tags implementation that versions tags can only
3504
# pull in the most recent changes. -- JRV20090506
3505
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
3506
overwrite, ignore_master=not merge_tags_to_master)
3507
result.new_revno, result.new_revid = self.target.last_revision_info()
3509
result.master_branch = _hook_master
3510
result.local_branch = result.target_branch
3512
result.master_branch = result.target_branch
3513
result.local_branch = None
3515
for hook in Branch.hooks['post_pull']:
3518
self.source.unlock()
3522
2866
InterBranch.register_optimiser(GenericInterBranch)
added
removed
bzrlib/branch.py
