491
436
"""Iterate over an inclusive range of sorted revisions."""
492
437
rev_iter = iter(merge_sorted_revisions)
493
438
if start_revision_id is not None:
494
for node in rev_iter:
495
rev_id = node.key[-1]
439
for rev_id, depth, revno, end_of_merge in rev_iter:
496
440
if rev_id != start_revision_id:
499
443
# The decision to include the start or not
500
444
# depends on the stop_rule if a stop is provided
501
# so pop this node back into the iterator
502
rev_iter = chain(iter([node]), rev_iter)
446
iter([(rev_id, depth, revno, end_of_merge)]),
504
449
if stop_revision_id is None:
506
for node in rev_iter:
507
rev_id = node.key[-1]
508
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
510
452
elif stop_rule == 'exclude':
511
for node in rev_iter:
512
rev_id = node.key[-1]
453
for rev_id, depth, revno, end_of_merge in rev_iter:
513
454
if rev_id == stop_revision_id:
515
yield (rev_id, node.merge_depth, node.revno,
456
yield rev_id, depth, revno, end_of_merge
517
457
elif stop_rule == 'include':
518
for node in rev_iter:
519
rev_id = node.key[-1]
520
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
522
460
if rev_id == stop_revision_id:
524
elif stop_rule == 'with-merges-without-common-ancestry':
525
# We want to exclude all revisions that are already part of the
526
# stop_revision_id ancestry.
527
graph = self.repository.get_graph()
528
ancestors = graph.find_unique_ancestors(start_revision_id,
530
for node in rev_iter:
531
rev_id = node.key[-1]
532
if rev_id not in ancestors:
534
yield (rev_id, node.merge_depth, node.revno,
536
462
elif stop_rule == 'with-merges':
537
463
stop_rev = self.repository.get_revision(stop_revision_id)
538
464
if stop_rev.parent_ids:
539
465
left_parent = stop_rev.parent_ids[0]
541
467
left_parent = _mod_revision.NULL_REVISION
542
# left_parent is the actual revision we want to stop logging at,
543
# since we want to show the merged revisions after the stop_rev too
544
reached_stop_revision_id = False
545
revision_id_whitelist = []
546
for node in rev_iter:
547
rev_id = node.key[-1]
468
for rev_id, depth, revno, end_of_merge in rev_iter:
548
469
if rev_id == left_parent:
549
# reached the left parent after the stop_revision
551
if (not reached_stop_revision_id or
552
rev_id in revision_id_whitelist):
553
yield (rev_id, node.merge_depth, node.revno,
555
if reached_stop_revision_id or rev_id == stop_revision_id:
556
# only do the merged revs of rev_id from now on
557
rev = self.repository.get_revision(rev_id)
559
reached_stop_revision_id = True
560
revision_id_whitelist.extend(rev.parent_ids)
471
yield rev_id, depth, revno, end_of_merge
562
473
raise ValueError('invalid stop_rule %r' % stop_rule)
564
def _filter_start_non_ancestors(self, rev_iter):
565
# If we started from a dotted revno, we want to consider it as a tip
566
# and don't want to yield revisions that are not part of its
567
# ancestry. Given the order guaranteed by the merge sort, we will see
568
# uninteresting descendants of the first parent of our tip before the
570
first = rev_iter.next()
571
(rev_id, merge_depth, revno, end_of_merge) = first
574
# We start at a mainline revision so by definition, all others
575
# revisions in rev_iter are ancestors
576
for node in rev_iter:
581
pmap = self.repository.get_parent_map([rev_id])
582
parents = pmap.get(rev_id, [])
584
whitelist.update(parents)
586
# If there is no parents, there is nothing of interest left
588
# FIXME: It's hard to test this scenario here as this code is never
589
# called in that case. -- vila 20100322
592
for (rev_id, merge_depth, revno, end_of_merge) in rev_iter:
594
if rev_id in whitelist:
595
pmap = self.repository.get_parent_map([rev_id])
596
parents = pmap.get(rev_id, [])
597
whitelist.remove(rev_id)
598
whitelist.update(parents)
600
# We've reached the mainline, there is nothing left to
604
# A revision that is not part of the ancestry of our
607
yield (rev_id, merge_depth, revno, end_of_merge)
609
475
def leave_lock_in_place(self):
610
476
"""Tell this branch object not to release the physical lock when this
611
477
object is unlocked.
781
607
except (errors.NotStacked, errors.UnstackableBranchFormat,
782
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,
786
623
self._activate_fallback_location(url)
787
624
# write this out after the repository is stacked to avoid setting a
788
625
# stacked config that doesn't work.
789
626
self._set_config_location('stacked_on_location', url)
792
"""Change a branch to be unstacked, copying data as needed.
794
Don't call this directly, use set_stacked_on_url(None).
796
pb = ui.ui_factory.nested_progress_bar()
798
pb.update("Unstacking")
799
# The basic approach here is to fetch the tip of the branch,
800
# including all available ghosts, from the existing stacked
801
# repository into a new repository object without the fallbacks.
803
# XXX: See <https://launchpad.net/bugs/397286> - this may not be
804
# correct for CHKMap repostiories
805
old_repository = self.repository
806
if len(old_repository._fallback_repositories) != 1:
807
raise AssertionError("can't cope with fallback repositories "
808
"of %r" % (self.repository,))
809
# Open the new repository object.
810
# Repositories don't offer an interface to remove fallback
811
# repositories today; take the conceptually simpler option and just
812
# reopen it. We reopen it starting from the URL so that we
813
# get a separate connection for RemoteRepositories and can
814
# stream from one of them to the other. This does mean doing
815
# separate SSH connection setup, but unstacking is not a
816
# common operation so it's tolerable.
817
new_bzrdir = bzrdir.BzrDir.open(self.bzrdir.root_transport.base)
818
new_repository = new_bzrdir.find_repository()
819
if new_repository._fallback_repositories:
820
raise AssertionError("didn't expect %r to have "
821
"fallback_repositories"
822
% (self.repository,))
823
# Replace self.repository with the new repository.
824
# Do our best to transfer the lock state (i.e. lock-tokens and
825
# lock count) of self.repository to the new repository.
826
lock_token = old_repository.lock_write().repository_token
827
self.repository = new_repository
828
if isinstance(self, remote.RemoteBranch):
829
# Remote branches can have a second reference to the old
830
# repository that need to be replaced.
831
if self._real_branch is not None:
832
self._real_branch.repository = new_repository
833
self.repository.lock_write(token=lock_token)
834
if lock_token is not None:
835
old_repository.leave_lock_in_place()
836
old_repository.unlock()
837
if lock_token is not None:
838
# XXX: self.repository.leave_lock_in_place() before this
839
# function will not be preserved. Fortunately that doesn't
840
# affect the current default format (2a), and would be a
841
# corner-case anyway.
842
# - Andrew Bennetts, 2010/06/30
843
self.repository.dont_leave_lock_in_place()
847
old_repository.unlock()
848
except errors.LockNotHeld:
851
if old_lock_count == 0:
852
raise AssertionError(
853
'old_repository should have been locked at least once.')
854
for i in range(old_lock_count-1):
855
self.repository.lock_write()
856
# Fetch from the old repository into the new.
857
old_repository.lock_read()
859
# XXX: If you unstack a branch while it has a working tree
860
# with a pending merge, the pending-merged revisions will no
861
# longer be present. You can (probably) revert and remerge.
863
# XXX: This only fetches up to the tip of the repository; it
864
# doesn't bring across any tags. That's fairly consistent
865
# with how branch works, but perhaps not ideal.
866
self.repository.fetch(old_repository,
867
revision_id=self.last_revision(),
870
old_repository.unlock()
874
629
def _set_tags_bytes(self, bytes):
875
630
"""Mirror method for _get_tags_bytes.
1041
799
except ValueError:
1042
800
raise errors.NoSuchRevision(self, revision_id)
1045
802
def get_rev_id(self, revno, history=None):
1046
803
"""Find the revision id of the specified revno."""
1048
805
return _mod_revision.NULL_REVISION
1049
last_revno, last_revid = self.last_revision_info()
1050
if revno == last_revno:
1052
if revno <= 0 or revno > last_revno:
807
history = self.revision_history()
808
if revno <= 0 or revno > len(history):
1053
809
raise errors.NoSuchRevision(self, revno)
1054
distance_from_last = last_revno - revno
1055
if len(self._partial_revision_history_cache) <= distance_from_last:
1056
self._extend_partial_history(distance_from_last)
1057
return self._partial_revision_history_cache[distance_from_last]
810
return history[revno - 1]
1059
812
def pull(self, source, overwrite=False, stop_revision=None,
1060
possible_transports=None, *args, **kwargs):
813
possible_transports=None, _override_hook_target=None):
1061
814
"""Mirror source into this branch.
1063
816
This branch is considered to be 'local', having low latency.
1065
818
:returns: PullResult instance
1067
return InterBranch.get(source, self).pull(overwrite=overwrite,
1068
stop_revision=stop_revision,
1069
possible_transports=possible_transports, *args, **kwargs)
820
raise NotImplementedError(self.pull)
1071
def push(self, target, overwrite=False, stop_revision=None, *args,
822
def push(self, target, overwrite=False, stop_revision=None):
1073
823
"""Mirror this branch into target.
1075
825
This branch is considered to be 'local', having low latency.
1077
return InterBranch.get(self, target).push(overwrite, stop_revision,
1080
def lossy_push(self, target, stop_revision=None):
1081
"""Push deltas into another branch.
1083
:note: This does not, like push, retain the revision ids from
1084
the source branch and will, rather than adding bzr-specific
1085
metadata, push only those semantics of the revision that can be
1086
natively represented by this branch' VCS.
1088
:param target: Target branch
1089
:param stop_revision: Revision to push, defaults to last revision.
1090
:return: BranchPushResult with an extra member revidmap:
1091
A dictionary mapping revision ids from the target branch
1092
to new revision ids in the target branch, for each
1093
revision that was pushed.
1095
inter = InterBranch.get(self, target)
1096
lossy_push = getattr(inter, "lossy_push", None)
1097
if lossy_push is None:
1098
raise errors.LossyPushToSameVCS(self, target)
1099
return lossy_push(stop_revision)
827
raise NotImplementedError(self.push)
1101
829
def basis_tree(self):
1102
830
"""Return `Tree` object for last revision."""
1294
1018
source_revno, source_revision_id = self.last_revision_info()
1295
1019
if revision_id is None:
1296
1020
revno, revision_id = source_revno, source_revision_id
1021
elif source_revision_id == revision_id:
1022
# we know the revno without needing to walk all of history
1023
revno = source_revno
1298
graph = self.repository.get_graph()
1300
revno = graph.find_distance_to_null(revision_id,
1301
[(source_revision_id, source_revno)])
1302
except errors.GhostRevisionsHaveNoRevno:
1303
# Default to 1, if we can't find anything else
1025
# To figure out the revno for a random revision, we need to build
1026
# the revision history, and count its length.
1027
# We don't care about the order, just how long it is.
1028
# Alternatively, we could start at the current location, and count
1029
# backwards. But there is no guarantee that we will find it since
1030
# it may be a merged revision.
1031
revno = len(list(self.repository.iter_reverse_revision_history(
1305
1033
destination.set_last_revision_info(revno, revision_id)
1307
1036
def copy_content_into(self, destination, revision_id=None):
1308
1037
"""Copy the content of self into destination.
1310
1039
revision_id: if not None, the revision history in the new branch will
1311
1040
be truncated to end with revision_id.
1313
return InterBranch.get(self, destination).copy_content_into(
1314
revision_id=revision_id)
1316
def update_references(self, target):
1317
if not getattr(self._format, 'supports_reference_locations', False):
1319
reference_dict = self._get_all_reference_info()
1320
if len(reference_dict) == 0:
1322
old_base = self.base
1323
new_base = target.base
1324
target_reference_dict = target._get_all_reference_info()
1325
for file_id, (tree_path, branch_location) in (
1326
reference_dict.items()):
1327
branch_location = urlutils.rebase_url(branch_location,
1329
target_reference_dict.setdefault(
1330
file_id, (tree_path, branch_location))
1331
target._set_all_reference_info(target_reference_dict)
1042
self._synchronize_history(destination, revision_id)
1044
parent = self.get_parent()
1045
except errors.InaccessibleParent, e:
1046
mutter('parent was not accessible to copy: %s', e)
1049
destination.set_parent(parent)
1050
if self._push_should_merge_tags():
1051
self.tags.merge_to(destination.tags)
1333
1053
@needs_read_lock
1334
def check(self, refs):
1335
1055
"""Check consistency of the branch.
1337
1057
In particular this checks that revisions given in the revision-history
1922
1530
self.old_revno, self.old_revid, self.new_revno, self.new_revid)
1925
class BranchInitHookParams(object):
1926
"""Object holding parameters passed to *_branch_init hooks.
1928
There are 4 fields that hooks may wish to access:
1930
:ivar format: the branch format
1931
:ivar bzrdir: the BzrDir where the branch will be/has been initialized
1932
:ivar name: name of colocated branch, if any (or None)
1933
:ivar branch: the branch created
1935
Note that for lightweight checkouts, the bzrdir and format fields refer to
1936
the checkout, hence they are different from the corresponding fields in
1937
branch, which refer to the original branch.
1940
def __init__(self, format, a_bzrdir, name, branch):
1941
"""Create a group of BranchInitHook parameters.
1943
:param format: the branch format
1944
:param a_bzrdir: the BzrDir where the branch will be/has been
1946
:param name: name of colocated branch, if any (or None)
1947
:param branch: the branch created
1949
Note that for lightweight checkouts, the bzrdir and format fields refer
1950
to the checkout, hence they are different from the corresponding fields
1951
in branch, which refer to the original branch.
1953
self.format = format
1954
self.bzrdir = a_bzrdir
1956
self.branch = branch
1958
def __eq__(self, other):
1959
return self.__dict__ == other.__dict__
1962
return "<%s of %s>" % (self.__class__.__name__, self.branch)
1965
class SwitchHookParams(object):
1966
"""Object holding parameters passed to *_switch hooks.
1968
There are 4 fields that hooks may wish to access:
1970
:ivar control_dir: BzrDir of the checkout to change
1971
:ivar to_branch: branch that the checkout is to reference
1972
:ivar force: skip the check for local commits in a heavy checkout
1973
:ivar revision_id: revision ID to switch to (or None)
1976
def __init__(self, control_dir, to_branch, force, revision_id):
1977
"""Create a group of SwitchHook parameters.
1979
:param control_dir: BzrDir of the checkout to change
1980
:param to_branch: branch that the checkout is to reference
1981
:param force: skip the check for local commits in a heavy checkout
1982
:param revision_id: revision ID to switch to (or None)
1984
self.control_dir = control_dir
1985
self.to_branch = to_branch
1987
self.revision_id = revision_id
1989
def __eq__(self, other):
1990
return self.__dict__ == other.__dict__
1993
return "<%s for %s to (%s, %s)>" % (self.__class__.__name__,
1994
self.control_dir, self.to_branch,
1998
1533
class BzrBranchFormat4(BranchFormat):
1999
1534
"""Bzr branch format 4.
2138
1671
"""See BranchFormat.get_format_description()."""
2139
1672
return "Branch format 6"
2141
def initialize(self, a_bzrdir, name=None):
2142
"""Create a branch of this format in a_bzrdir."""
2143
utf8_files = [('last-revision', '0 null:\n'),
2144
('branch.conf', ''),
2147
return self._initialize_helper(a_bzrdir, utf8_files, name)
2149
def make_tags(self, branch):
2150
"""See bzrlib.branch.BranchFormat.make_tags()."""
2151
return BasicTags(branch)
2153
def supports_set_append_revisions_only(self):
2157
class BzrBranchFormat8(BranchFormatMetadir):
2158
"""Metadir format supporting storing locations of subtree branches."""
2160
def _branch_class(self):
2163
def get_format_string(self):
2164
"""See BranchFormat.get_format_string()."""
2165
return "Bazaar Branch Format 8 (needs bzr 1.15)\n"
2167
def get_format_description(self):
2168
"""See BranchFormat.get_format_description()."""
2169
return "Branch format 8"
2171
def initialize(self, a_bzrdir, name=None):
2172
"""Create a branch of this format in a_bzrdir."""
2173
utf8_files = [('last-revision', '0 null:\n'),
2174
('branch.conf', ''),
2178
return self._initialize_helper(a_bzrdir, utf8_files, name)
2181
super(BzrBranchFormat8, self).__init__()
2182
self._matchingbzrdir.repository_format = \
2183
RepositoryFormatKnitPack5RichRoot()
2185
def make_tags(self, branch):
2186
"""See bzrlib.branch.BranchFormat.make_tags()."""
2187
return BasicTags(branch)
2189
def supports_set_append_revisions_only(self):
2192
def supports_stacking(self):
2195
supports_reference_locations = True
2198
class BzrBranchFormat7(BzrBranchFormat8):
1674
def initialize(self, a_bzrdir):
1675
"""Create a branch of this format in a_bzrdir."""
1676
utf8_files = [('last-revision', '0 null:\n'),
1677
('branch.conf', ''),
1680
return self._initialize_helper(a_bzrdir, utf8_files)
1682
def make_tags(self, branch):
1683
"""See bzrlib.branch.BranchFormat.make_tags()."""
1684
return BasicTags(branch)
1688
class BzrBranchFormat7(BranchFormatMetadir):
2199
1689
"""Branch format with last-revision, tags, and a stacked location pointer.
2201
1691
The stacked location pointer is passed down to the repository and requires
2248
1745
"""See BranchFormat.get_format_description()."""
2249
1746
return "Checkout reference format 1"
2251
def get_reference(self, a_bzrdir, name=None):
1748
def get_reference(self, a_bzrdir):
2252
1749
"""See BranchFormat.get_reference()."""
2253
transport = a_bzrdir.get_branch_transport(None, name=name)
2254
return transport.get_bytes('location')
1750
transport = a_bzrdir.get_branch_transport(None)
1751
return transport.get('location').read()
2256
def set_reference(self, a_bzrdir, name, to_branch):
1753
def set_reference(self, a_bzrdir, to_branch):
2257
1754
"""See BranchFormat.set_reference()."""
2258
transport = a_bzrdir.get_branch_transport(None, name=name)
1755
transport = a_bzrdir.get_branch_transport(None)
2259
1756
location = transport.put_bytes('location', to_branch.base)
2261
def initialize(self, a_bzrdir, name=None, target_branch=None):
1758
def initialize(self, a_bzrdir, target_branch=None):
2262
1759
"""Create a branch of this format in a_bzrdir."""
2263
1760
if target_branch is None:
2264
1761
# this format does not implement branch itself, thus the implicit
2265
1762
# creation contract must see it as uninitializable
2266
1763
raise errors.UninitializableFormat(self)
2267
mutter('creating branch reference in %s', a_bzrdir.user_url)
2268
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1764
mutter('creating branch reference in %s', a_bzrdir.transport.base)
1765
branch_transport = a_bzrdir.get_branch_transport(self)
2269
1766
branch_transport.put_bytes('location',
2270
target_branch.bzrdir.user_url)
1767
target_branch.bzrdir.root_transport.base)
2271
1768
branch_transport.put_bytes('format', self.get_format_string())
2273
a_bzrdir, name, _found=True,
1770
a_bzrdir, _found=True,
2274
1771
possible_transports=[target_branch.bzrdir.root_transport])
2275
self._run_post_branch_init_hooks(a_bzrdir, name, branch)
2278
1773
def __init__(self):
2279
1774
super(BranchReferenceFormat, self).__init__()
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
2628
2168
def _basic_push(self, target, overwrite, stop_revision):
2629
2169
"""Basic implementation of push without bound branches or hooks.
2631
Must be called with source read locked and target write locked.
2171
Must be called with self read locked and target write locked.
2633
2173
result = BranchPushResult()
2634
2174
result.source_branch = self
2635
2175
result.target_branch = target
2636
2176
result.old_revno, result.old_revid = target.last_revision_info()
2637
self.update_references(target)
2638
2177
if result.old_revid != self.last_revision():
2639
2178
# We assume that during 'push' this repository is closer than
2641
2180
graph = self.repository.get_graph(target.repository)
2642
target.update_revisions(self, stop_revision,
2643
overwrite=overwrite, graph=graph)
2181
target.update_revisions(self, stop_revision, overwrite=overwrite,
2644
2183
if self._push_should_merge_tags():
2645
result.tag_conflicts = self.tags.merge_to(target.tags,
2184
result.tag_conflicts = self.tags.merge_to(target.tags, overwrite)
2647
2185
result.new_revno, result.new_revid = target.last_revision_info()
2650
2188
def get_stacked_on_url(self):
2651
raise errors.UnstackableBranchFormat(self._format, self.user_url)
2189
raise errors.UnstackableBranchFormat(self._format, self.base)
2653
2191
def set_push_location(self, location):
2654
2192
"""See Branch.set_push_location."""
2879
2493
"""Set the parent branch"""
2880
2494
return self._get_config_location('parent_location')
2883
def _set_all_reference_info(self, info_dict):
2884
"""Replace all reference info stored in a branch.
2886
:param info_dict: A dict of {file_id: (tree_path, branch_location)}
2889
writer = rio.RioWriter(s)
2890
for key, (tree_path, branch_location) in info_dict.iteritems():
2891
stanza = rio.Stanza(file_id=key, tree_path=tree_path,
2892
branch_location=branch_location)
2893
writer.write_stanza(stanza)
2894
self._transport.put_bytes('references', s.getvalue())
2895
self._reference_info = info_dict
2898
def _get_all_reference_info(self):
2899
"""Return all the reference info stored in a branch.
2901
:return: A dict of {file_id: (tree_path, branch_location)}
2903
if self._reference_info is not None:
2904
return self._reference_info
2905
rio_file = self._transport.get('references')
2907
stanzas = rio.read_stanzas(rio_file)
2908
info_dict = dict((s['file_id'], (s['tree_path'],
2909
s['branch_location'])) for s in stanzas)
2912
self._reference_info = info_dict
2915
def set_reference_info(self, file_id, tree_path, branch_location):
2916
"""Set the branch location to use for a tree reference.
2918
:param file_id: The file-id of the tree reference.
2919
:param tree_path: The path of the tree reference in the tree.
2920
:param branch_location: The location of the branch to retrieve tree
2923
info_dict = self._get_all_reference_info()
2924
info_dict[file_id] = (tree_path, branch_location)
2925
if None in (tree_path, branch_location):
2926
if tree_path is not None:
2927
raise ValueError('tree_path must be None when branch_location'
2929
if branch_location is not None:
2930
raise ValueError('branch_location must be None when tree_path'
2932
del info_dict[file_id]
2933
self._set_all_reference_info(info_dict)
2935
def get_reference_info(self, file_id):
2936
"""Get the tree_path and branch_location for a tree reference.
2938
:return: a tuple of (tree_path, branch_location)
2940
return self._get_all_reference_info().get(file_id, (None, None))
2942
def reference_parent(self, file_id, path, possible_transports=None):
2943
"""Return the parent branch for a tree-reference file_id.
2945
:param file_id: The file_id of the tree reference
2946
:param path: The path of the file_id in the tree
2947
:return: A branch associated with the file_id
2949
branch_location = self.get_reference_info(file_id)[1]
2950
if branch_location is None:
2951
return Branch.reference_parent(self, file_id, path,
2952
possible_transports)
2953
branch_location = urlutils.join(self.user_url, branch_location)
2954
return Branch.open(branch_location,
2955
possible_transports=possible_transports)
2957
2496
def set_push_location(self, location):
2958
2497
"""See Branch.set_push_location."""
2959
2498
self._set_config_location('push_location', location)
3309
2806
raise NotImplementedError(self.update_revisions)
3312
def push(self, overwrite=False, stop_revision=None,
3313
_override_hook_source_branch=None):
3314
"""Mirror the source branch into the target branch.
3316
The source branch is considered to be 'local', having low latency.
3318
raise NotImplementedError(self.push)
3321
def copy_content_into(self, revision_id=None):
3322
"""Copy the content of source into target
3324
revision_id: if not None, the revision history in the new branch will
3325
be truncated to end with revision_id.
3327
raise NotImplementedError(self.copy_content_into)
3330
2809
class GenericInterBranch(InterBranch):
3331
"""InterBranch implementation that uses public Branch functions."""
3334
def is_compatible(klass, source, target):
3335
# GenericBranch uses the public API, so always compatible
3339
def _get_branch_formats_to_test(klass):
3340
return [(BranchFormat._default_format, BranchFormat._default_format)]
3343
def unwrap_format(klass, format):
3344
if isinstance(format, remote.RemoteBranchFormat):
3345
format._ensure_real()
3346
return format._custom_format
3350
def copy_content_into(self, revision_id=None):
3351
"""Copy the content of source into target
3353
revision_id: if not None, the revision history in the new branch will
3354
be truncated to end with revision_id.
3356
self.source.update_references(self.target)
3357
self.source._synchronize_history(self.target, revision_id)
3359
parent = self.source.get_parent()
3360
except errors.InaccessibleParent, e:
3361
mutter('parent was not accessible to copy: %s', e)
3364
self.target.set_parent(parent)
3365
if self.source._push_should_merge_tags():
3366
self.source.tags.merge_to(self.target.tags)
2810
"""InterBranch implementation that uses public Branch functions.
2814
def _get_branch_formats_to_test():
2815
return BranchFormat._default_format, BranchFormat._default_format
3369
2817
def update_revisions(self, stop_revision=None, overwrite=False,
3371
2819
"""See InterBranch.update_revisions()."""
3372
other_revno, other_last_revision = self.source.last_revision_info()
3373
stop_revno = None # unknown
3374
if stop_revision is None:
3375
stop_revision = other_last_revision
3376
if _mod_revision.is_null(stop_revision):
3377
# if there are no commits, we're done.
3379
stop_revno = other_revno
3381
# what's the current last revision, before we fetch [and change it
3383
last_rev = _mod_revision.ensure_null(self.target.last_revision())
3384
# we fetch here so that we don't process data twice in the common
3385
# case of having something to pull, and so that the check for
3386
# already merged can operate on the just fetched graph, which will
3387
# be cached in memory.
3388
self.target.fetch(self.source, stop_revision)
3389
# Check to see if one is an ancestor of the other
3392
graph = self.target.repository.get_graph()
3393
if self.target._check_if_descendant_or_diverged(
3394
stop_revision, last_rev, graph, self.source):
3395
# stop_revision is a descendant of last_rev, but we aren't
3396
# overwriting, so we're done.
3398
if stop_revno is None:
3400
graph = self.target.repository.get_graph()
3401
this_revno, this_last_revision = \
3402
self.target.last_revision_info()
3403
stop_revno = graph.find_distance_to_null(stop_revision,
3404
[(other_last_revision, other_revno),
3405
(this_last_revision, this_revno)])
3406
self.target.set_last_revision_info(stop_revno, stop_revision)
3409
def pull(self, overwrite=False, stop_revision=None,
3410
possible_transports=None, run_hooks=True,
3411
_override_hook_target=None, local=False):
3412
"""Pull from source into self, updating my master if any.
3414
:param run_hooks: Private parameter - if false, this branch
3415
is being called because it's the master of the primary branch,
3416
so it should not run its hooks.
3418
bound_location = self.target.get_bound_location()
3419
if local and not bound_location:
3420
raise errors.LocalRequiresBoundBranch()
3421
master_branch = None
3422
if not local and bound_location and self.source.user_url != bound_location:
3423
# not pulling from master, so we need to update master.
3424
master_branch = self.target.get_master_branch(possible_transports)
3425
master_branch.lock_write()
3428
# pull from source into master.
3429
master_branch.pull(self.source, overwrite, stop_revision,
3431
return self._pull(overwrite,
3432
stop_revision, _hook_master=master_branch,
3433
run_hooks=run_hooks,
3434
_override_hook_target=_override_hook_target)
3437
master_branch.unlock()
3439
def push(self, overwrite=False, stop_revision=None,
3440
_override_hook_source_branch=None):
3441
"""See InterBranch.push.
3443
This is the basic concrete implementation of push()
3445
:param _override_hook_source_branch: If specified, run
3446
the hooks passing this Branch as the source, rather than self.
3447
This is for use of RemoteBranch, where push is delegated to the
3448
underlying vfs-based Branch.
3450
# TODO: Public option to disable running hooks - should be trivial but
3452
self.source.lock_read()
3454
return _run_with_write_locked_target(
3455
self.target, self._push_with_bound_branches, overwrite,
3457
_override_hook_source_branch=_override_hook_source_branch)
3459
self.source.unlock()
3461
def _push_with_bound_branches(self, overwrite, stop_revision,
3462
_override_hook_source_branch=None):
3463
"""Push from source into target, and into target's master if any.
3466
if _override_hook_source_branch:
3467
result.source_branch = _override_hook_source_branch
3468
for hook in Branch.hooks['post_push']:
3471
bound_location = self.target.get_bound_location()
3472
if bound_location and self.target.base != bound_location:
3473
# there is a master branch.
3475
# XXX: Why the second check? Is it even supported for a branch to
3476
# be bound to itself? -- mbp 20070507
3477
master_branch = self.target.get_master_branch()
3478
master_branch.lock_write()
3480
# push into the master from the source branch.
3481
self.source._basic_push(master_branch, overwrite, stop_revision)
3482
# and push into the target branch from the source. Note that we
3483
# push from the source branch again, because it's considered the
3484
# highest bandwidth repository.
3485
result = self.source._basic_push(self.target, overwrite,
3487
result.master_branch = master_branch
3488
result.local_branch = self.target
3492
master_branch.unlock()
3495
result = self.source._basic_push(self.target, overwrite,
3497
# TODO: Why set master_branch and local_branch if there's no
3498
# binding? Maybe cleaner to just leave them unset? -- mbp
3500
result.master_branch = self.target
3501
result.local_branch = None
3505
def _pull(self, overwrite=False, stop_revision=None,
3506
possible_transports=None, _hook_master=None, run_hooks=True,
3507
_override_hook_target=None, local=False):
3510
This function is the core worker, used by GenericInterBranch.pull to
3511
avoid duplication when pulling source->master and source->local.
3513
:param _hook_master: Private parameter - set the branch to
3514
be supplied as the master to pull hooks.
3515
:param run_hooks: Private parameter - if false, this branch
3516
is being called because it's the master of the primary branch,
3517
so it should not run its hooks.
3518
:param _override_hook_target: Private parameter - set the branch to be
3519
supplied as the target_branch to pull hooks.
3520
:param local: Only update the local branch, and not the bound branch.
3522
# This type of branch can't be bound.
3524
raise errors.LocalRequiresBoundBranch()
3525
result = PullResult()
3526
result.source_branch = self.source
3527
if _override_hook_target is None:
3528
result.target_branch = self.target
3530
result.target_branch = _override_hook_target
3531
self.source.lock_read()
3533
# We assume that during 'pull' the target repository is closer than
3535
self.source.update_references(self.target)
3536
graph = self.target.repository.get_graph(self.source.repository)
3537
# TODO: Branch formats should have a flag that indicates
3538
# that revno's are expensive, and pull() should honor that flag.
3540
result.old_revno, result.old_revid = \
3541
self.target.last_revision_info()
3542
self.target.update_revisions(self.source, stop_revision,
3543
overwrite=overwrite, graph=graph)
3544
# TODO: The old revid should be specified when merging tags,
3545
# so a tags implementation that versions tags can only
3546
# pull in the most recent changes. -- JRV20090506
3547
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
3549
result.new_revno, result.new_revid = self.target.last_revision_info()
3551
result.master_branch = _hook_master
3552
result.local_branch = result.target_branch
3554
result.master_branch = result.target_branch
3555
result.local_branch = None
3557
for hook in Branch.hooks['post_pull']:
3560
self.source.unlock()
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()
2861
def is_compatible(self, source, target):
2862
# GenericBranch uses the public API, so always compatible
3564
2866
InterBranch.register_optimiser(GenericInterBranch)
added
removed
bzrlib/branch.py
