14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
from __future__ import absolute_import
19
21
from bzrlib.lazy_import import lazy_import
20
22
lazy_import(globals(), """
21
23
from bzrlib import (
22
24
branch as _mod_branch,
23
26
conflicts as _mod_conflicts,
54
58
def transform_tree(from_tree, to_tree, interesting_ids=None):
55
59
from_tree.lock_tree_write()
56
operation = OperationWithCleanups(merge_inner)
60
operation = cleanup.OperationWithCleanups(merge_inner)
57
61
operation.add_cleanup(from_tree.unlock)
58
62
operation.run_simple(from_tree.branch, to_tree, from_tree,
59
63
ignore_zero=True, interesting_ids=interesting_ids, this_tree=from_tree)
62
66
class MergeHooks(hooks.Hooks):
64
68
def __init__(self):
65
hooks.Hooks.__init__(self)
66
self.create_hook(hooks.HookPoint('merge_file_content',
69
hooks.Hooks.__init__(self, "bzrlib.merge", "Merger.hooks")
70
self.add_hook('merge_file_content',
67
71
"Called with a bzrlib.merge.Merger object to create a per file "
68
72
"merge object when starting a merge. "
69
73
"Should return either None or a subclass of "
73
77
"side has deleted the file and the other has changed it). "
74
78
"See the AbstractPerFileMerger API docs for details on how it is "
81
self.add_hook('pre_merge',
82
'Called before a merge. '
83
'Receives a Merger object as the single argument.',
85
self.add_hook('post_merge',
86
'Called after a merge. '
87
'Receives a Merger object as the single argument. '
88
'The return value is ignored.',
79
92
class AbstractPerFileMerger(object):
91
104
def merge_contents(self, merge_params):
92
105
"""Attempt to merge the contents of a single file.
94
:param merge_params: A bzrlib.merge.MergeHookParams
95
:return : A tuple of (status, chunks), where status is one of
107
:param merge_params: A bzrlib.merge.MergeFileHookParams
108
:return: A tuple of (status, chunks), where status is one of
96
109
'not_applicable', 'success', 'conflicted', or 'delete'. If status
97
110
is 'success' or 'conflicted', then chunks should be an iterable of
98
111
strings for the new file contents.
119
132
def get_filename(self, params, tree):
120
133
"""Lookup the filename (i.e. basename, not path), given a Tree (e.g.
121
self.merger.this_tree) and a MergeHookParams.
134
self.merger.this_tree) and a MergeFileHookParams.
123
136
return osutils.basename(tree.id2path(params.file_id))
125
138
def get_filepath(self, params, tree):
126
139
"""Calculate the path to the file in a tree.
128
:param params: A MergeHookParams describing the file to merge
141
:param params: A MergeFileHookParams describing the file to merge
129
142
:param tree: a Tree, e.g. self.merger.this_tree.
131
144
return tree.id2path(params.file_id)
138
151
params.winner == 'other' or
139
152
# THIS and OTHER aren't both files.
140
153
not params.is_file_merge() or
141
# The filename doesn't match *.xml
154
# The filename doesn't match
142
155
not self.file_matches(params)):
143
156
return 'not_applicable', None
144
157
return self.merge_matching(params)
441
454
revision_id = _mod_revision.ensure_null(revision_id)
442
455
return branch, self.revision_tree(revision_id, branch)
444
@deprecated_method(deprecated_in((2, 1, 0)))
445
def ensure_revision_trees(self):
446
if self.this_revision_tree is None:
447
self.this_basis_tree = self.revision_tree(self.this_basis)
448
if self.this_basis == self.this_rev_id:
449
self.this_revision_tree = self.this_basis_tree
451
if self.other_rev_id is None:
452
other_basis_tree = self.revision_tree(self.other_basis)
453
if other_basis_tree.has_changes(self.other_tree):
454
raise errors.WorkingTreeNotRevision(self.this_tree)
455
other_rev_id = self.other_basis
456
self.other_tree = other_basis_tree
458
@deprecated_method(deprecated_in((2, 1, 0)))
459
def file_revisions(self, file_id):
460
self.ensure_revision_trees()
461
def get_id(tree, file_id):
462
revision_id = tree.inventory[file_id].revision
464
if self.this_rev_id is None:
465
if self.this_basis_tree.get_file_sha1(file_id) != \
466
self.this_tree.get_file_sha1(file_id):
467
raise errors.WorkingTreeNotRevision(self.this_tree)
469
trees = (self.this_basis_tree, self.other_tree)
470
return [get_id(tree, file_id) for tree in trees]
472
@deprecated_method(deprecated_in((2, 1, 0)))
473
def check_basis(self, check_clean, require_commits=True):
474
if self.this_basis is None and require_commits is True:
475
raise errors.BzrCommandError(
476
"This branch has no commits."
477
" (perhaps you would prefer 'bzr pull')")
480
if self.this_basis != self.this_rev_id:
481
raise errors.UncommittedChanges(self.this_tree)
483
@deprecated_method(deprecated_in((2, 1, 0)))
484
def compare_basis(self):
486
basis_tree = self.revision_tree(self.this_tree.last_revision())
487
except errors.NoSuchRevision:
488
basis_tree = self.this_tree.basis_tree()
489
if not self.this_tree.has_changes(basis_tree):
490
self.this_rev_id = self.this_basis
492
457
def set_interesting_files(self, file_list):
493
458
self.interesting_files = file_list
538
504
raise errors.NoCommits(self.other_branch)
539
505
if self.other_rev_id is not None:
540
506
self._cached_trees[self.other_rev_id] = self.other_tree
541
self._maybe_fetch(self.other_branch,self.this_branch, self.other_basis)
507
self._maybe_fetch(self.other_branch, self.this_branch, self.other_basis)
543
509
def set_other_revision(self, revision_id, other_branch):
544
510
"""Set 'other' based on a branch and revision id
566
532
def _maybe_fetch(self, source, target, revision_id):
567
533
if not source.repository.has_same_location(target.repository):
569
tags_to_fetch = set(source.tags.get_reverse_tag_dict())
570
except errors.TagsNotSupported:
572
fetch_spec = _mod_graph.NotInOtherForRevs(target.repository,
573
source.repository, [revision_id],
574
if_present_ids=tags_to_fetch).execute()
575
target.fetch(source, fetch_spec=fetch_spec)
534
target.fetch(source, revision_id)
577
536
def find_base(self):
578
537
revisions = [_mod_revision.ensure_null(self.this_basis),
613
572
trace.mutter('Criss-cross lcas: %r' % lcas)
614
573
if self.base_rev_id in lcas:
615
574
trace.mutter('Unable to find unique lca. '
616
'Fallback %r as best option.' % self.base_rev_id)
575
'Fallback %r as best option.'
617
577
interesting_revision_ids = set(lcas)
618
578
interesting_revision_ids.add(self.base_rev_id)
619
579
interesting_trees = dict((t.get_revision_id(), t)
652
612
self._maybe_fetch(base_branch, self.this_branch, self.base_rev_id)
654
614
def make_merger(self):
655
kwargs = {'working_tree':self.this_tree, 'this_tree': self.this_tree,
615
kwargs = {'working_tree': self.this_tree, 'this_tree': self.this_tree,
656
616
'other_tree': self.other_tree,
657
617
'interesting_ids': self.interesting_ids,
658
618
'interesting_files': self.interesting_files,
659
619
'this_branch': self.this_branch,
620
'other_branch': self.other_branch,
660
621
'do_merge': False}
661
622
if self.merge_type.requires_base:
662
623
kwargs['base_tree'] = self.base_tree
688
649
merge = self.make_merger()
689
650
if self.other_branch is not None:
690
651
self.other_branch.update_references(self.this_branch)
652
for hook in Merger.hooks['pre_merge']:
655
for hook in Merger.hooks['post_merge']:
692
657
if self.recurse == 'down':
693
658
for relpath, file_id in self.this_tree.iter_references():
694
659
sub_tree = self.this_tree.get_nested_tree(file_id, relpath)
720
686
merge = operation.run_simple()
721
687
if len(merge.cooked_conflicts) == 0:
722
688
if not self.ignore_zero and not trace.is_quiet():
723
trace.note("All changes applied successfully.")
689
trace.note(gettext("All changes applied successfully."))
725
trace.note("%d conflicts encountered."
691
trace.note(gettext("%d conflicts encountered.")
726
692
% len(merge.cooked_conflicts))
728
694
return len(merge.cooked_conflicts)
760
726
interesting_ids=None, reprocess=False, show_base=False,
761
727
pb=None, pp=None, change_reporter=None,
762
728
interesting_files=None, do_merge=True,
763
cherrypick=False, lca_trees=None, this_branch=None):
729
cherrypick=False, lca_trees=None, this_branch=None,
764
731
"""Initialize the merger object and perform the merge.
766
733
:param working_tree: The working tree to apply the merge to
796
764
this_branch = this_tree.branch
797
765
self.interesting_ids = interesting_ids
798
766
self.interesting_files = interesting_files
799
self.this_tree = working_tree
767
self.working_tree = working_tree
768
self.this_tree = this_tree
800
769
self.base_tree = base_tree
801
770
self.other_tree = other_tree
802
771
self.this_branch = this_branch
772
self.other_branch = other_branch
803
773
self._raw_conflicts = []
804
774
self.cooked_conflicts = []
805
775
self.reprocess = reprocess
820
790
warnings.warn("pb argument to Merge3Merger is deprecated")
822
792
def do_merge(self):
823
operation = OperationWithCleanups(self._do_merge)
824
self.this_tree.lock_tree_write()
793
operation = cleanup.OperationWithCleanups(self._do_merge)
794
self.working_tree.lock_tree_write()
795
operation.add_cleanup(self.working_tree.unlock)
796
self.this_tree.lock_read()
825
797
operation.add_cleanup(self.this_tree.unlock)
826
798
self.base_tree.lock_read()
827
799
operation.add_cleanup(self.base_tree.unlock)
832
804
def _do_merge(self, operation):
833
self.tt = transform.TreeTransform(self.this_tree, None)
805
self.tt = transform.TreeTransform(self.working_tree, None)
834
806
operation.add_cleanup(self.tt.finalize)
835
807
self._compute_transform()
836
808
results = self.tt.apply(no_conflicts=True)
837
809
self.write_modified(results)
839
self.this_tree.add_conflicts(self.cooked_conflicts)
811
self.working_tree.add_conflicts(self.cooked_conflicts)
840
812
except errors.UnsupportedOperation:
843
815
def make_preview_transform(self):
844
operation = OperationWithCleanups(self._make_preview_transform)
816
operation = cleanup.OperationWithCleanups(self._make_preview_transform)
845
817
self.base_tree.lock_read()
846
818
operation.add_cleanup(self.base_tree.unlock)
847
819
self.other_tree.lock_read()
861
833
entries = self._entries_lca()
862
834
resolver = self._lca_multi_way
835
# Prepare merge hooks
836
factories = Merger.hooks['merge_file_content']
837
# One hook for each registered one plus our default merger
838
hooks = [factory(self) for factory in factories] + [self]
839
self.active_hooks = [hook for hook in hooks if hook is not None]
863
840
child_pb = ui.ui_factory.nested_progress_bar()
865
factories = Merger.hooks['merge_file_content']
866
hooks = [factory(self) for factory in factories] + [self]
867
self.active_hooks = [hook for hook in hooks if hook is not None]
868
842
for num, (file_id, changed, parents3, names3,
869
843
executable3) in enumerate(entries):
870
child_pb.update('Preparing file merge', num, len(entries))
844
# Try merging each entry
845
child_pb.update(gettext('Preparing file merge'),
871
847
self._merge_names(file_id, parents3, names3, resolver=resolver)
873
849
file_status = self._do_merge_contents(file_id)
912
888
iterator = self.other_tree.iter_changes(self.base_tree,
913
include_unchanged=True, specific_files=self.interesting_files,
889
specific_files=self.interesting_files,
914
890
extra_trees=[self.this_tree])
915
891
this_entries = dict((e.file_id, e) for p, e in
916
892
self.this_tree.iter_entries_by_dir(
942
918
it then compares with THIS and BASE.
944
920
For the multi-valued entries, the format will be (BASE, [lca1, lca2])
945
:return: [(file_id, changed, parents, names, executable)]
946
file_id Simple file_id of the entry
947
changed Boolean, True if the kind or contents changed
949
parents ((base, [parent_id, in, lcas]), parent_id_other,
951
names ((base, [name, in, lcas]), name_in_other, name_in_this)
952
executable ((base, [exec, in, lcas]), exec_in_other, exec_in_this)
922
:return: [(file_id, changed, parents, names, executable)], where:
924
* file_id: Simple file_id of the entry
925
* changed: Boolean, True if the kind or contents changed else False
926
* parents: ((base, [parent_id, in, lcas]), parent_id_other,
928
* names: ((base, [name, in, lcas]), name_in_other, name_in_this)
929
* executable: ((base, [exec, in, lcas]), exec_in_other,
954
932
if self.interesting_files is not None:
955
933
lookup_trees = [self.this_tree, self.base_tree]
963
941
walker = _mod_tree.MultiWalker(self.other_tree, self._lca_trees)
965
base_inventory = self.base_tree.inventory
966
this_inventory = self.this_tree.inventory
943
base_inventory = self.base_tree.root_inventory
944
this_inventory = self.this_tree.root_inventory
967
945
for path, file_id, other_ie, lca_values in walker.iter_all():
968
946
# Is this modified at all from any of the other trees?
969
947
if other_ie is None:
1104
if self.tt.final_kind(self.tt.root) is None:
1105
self.tt.cancel_deletion(self.tt.root)
1106
if self.tt.final_file_id(self.tt.root) is None:
1107
self.tt.version_file(self.tt.tree_file_id(self.tt.root),
1109
other_root_file_id = self.other_tree.get_root_id()
1110
if other_root_file_id is None:
1112
other_root = self.tt.trans_id_file_id(other_root_file_id)
1113
if other_root == self.tt.root:
1115
if self.other_tree.inventory.root.file_id in self.this_tree.inventory:
1116
# the other tree's root is a non-root in the current tree (as when
1117
# a previously unrelated branch is merged into another)
1119
if self.tt.final_kind(other_root) is not None:
1120
other_root_is_present = True
1122
# other_root doesn't have a physical representation. We still need
1123
# to move any references to the actual root of the tree.
1124
other_root_is_present = False
1125
# 'other_tree.inventory.root' is not present in this tree. We are
1126
# calling adjust_path for children which *want* to be present with a
1127
# correct place to go.
1128
for thing, child in self.other_tree.inventory.root.children.iteritems():
1129
trans_id = self.tt.trans_id_file_id(child.file_id)
1130
if not other_root_is_present:
1131
if self.tt.final_kind(trans_id) is not None:
1132
# The item exist in the final tree and has a defined place
1135
# Move the item into the root
1136
self.tt.adjust_path(self.tt.final_name(trans_id),
1137
self.tt.root, trans_id)
1138
if other_root_is_present:
1139
self.tt.cancel_creation(other_root)
1140
self.tt.cancel_versioning(other_root)
1142
1081
def write_modified(self, results):
1143
1082
modified_hashes = {}
1144
1083
for path in results.modified_paths:
1145
file_id = self.this_tree.path2id(self.this_tree.relpath(path))
1084
file_id = self.working_tree.path2id(self.working_tree.relpath(path))
1146
1085
if file_id is None:
1148
hash = self.this_tree.get_file_sha1(file_id)
1087
hash = self.working_tree.get_file_sha1(file_id)
1149
1088
if hash is None:
1151
1090
modified_hashes[file_id] = hash
1152
self.this_tree.set_merge_modified(modified_hashes)
1091
self.working_tree.set_merge_modified(modified_hashes)
1155
1094
def parent(entry, file_id):
1254
1193
# At this point, the lcas disagree, and the tip disagree
1255
1194
return 'conflict'
1258
@deprecated_method(deprecated_in((2, 2, 0)))
1259
def scalar_three_way(this_tree, base_tree, other_tree, file_id, key):
1260
"""Do a three-way test on a scalar.
1261
Return "this", "other" or "conflict", depending whether a value wins.
1263
key_base = key(base_tree, file_id)
1264
key_other = key(other_tree, file_id)
1265
#if base == other, either they all agree, or only THIS has changed.
1266
if key_base == key_other:
1268
key_this = key(this_tree, file_id)
1269
# "Ambiguous clean merge"
1270
if key_this == key_other:
1272
elif key_this == key_base:
1277
1196
def merge_names(self, file_id):
1278
1197
def get_entry(tree):
1279
if tree.has_id(file_id):
1280
return tree.inventory[file_id]
1199
return tree.root_inventory[file_id]
1200
except errors.NoSuchId:
1283
1202
this_entry = get_entry(self.this_tree)
1284
1203
other_entry = get_entry(self.other_tree)
1319
1238
self._raw_conflicts.append(('path conflict', trans_id, file_id,
1320
1239
this_parent, this_name,
1321
1240
other_parent, other_name))
1322
if other_name is None:
1241
if not self.other_tree.has_id(file_id):
1323
1242
# it doesn't matter whether the result was 'other' or
1324
# 'conflict'-- if there's no 'other', we leave it alone.
1243
# 'conflict'-- if it has no file id, we leave it alone.
1326
1245
parent_id = parents[self.winner_idx[parent_id_winner]]
1327
if parent_id is not None:
1246
name = names[self.winner_idx[name_winner]]
1247
if parent_id is not None or name is not None:
1328
1248
# if we get here, name_winner and parent_winner are set to safe
1330
self.tt.adjust_path(names[self.winner_idx[name_winner]],
1331
self.tt.trans_id_file_id(parent_id),
1250
if parent_id is None and name is not None:
1251
# if parent_id is None and name is non-None, current file is
1253
if names[self.winner_idx[parent_id_winner]] != '':
1254
raise AssertionError(
1255
'File looks like a root, but named %s' %
1256
names[self.winner_idx[parent_id_winner]])
1257
parent_trans_id = transform.ROOT_PARENT
1259
parent_trans_id = self.tt.trans_id_file_id(parent_id)
1260
self.tt.adjust_path(name, parent_trans_id,
1332
1261
self.tt.trans_id_file_id(file_id))
1334
1263
def _do_merge_contents(self, file_id):
1335
1264
"""Performs a merge on file_id contents."""
1336
1265
def contents_pair(tree):
1337
if file_id not in tree:
1266
if not tree.has_id(file_id):
1338
1267
return (None, None)
1339
1268
kind = tree.kind(file_id)
1340
1269
if kind == "file":
1369
1298
# We have a hypothetical conflict, but if we have files, then we
1370
1299
# can try to merge the content
1371
1300
trans_id = self.tt.trans_id_file_id(file_id)
1372
params = MergeHookParams(self, file_id, trans_id, this_pair[0],
1301
params = MergeFileHookParams(self, file_id, trans_id, this_pair[0],
1373
1302
other_pair[0], winner)
1374
1303
hooks = self.active_hooks
1375
1304
hook_status = 'not_applicable'
1378
1307
if hook_status != 'not_applicable':
1379
1308
# Don't try any more hooks, this one applies.
1310
# If the merge ends up replacing the content of the file, we get rid of
1311
# it at the end of this method (this variable is used to track the
1312
# exceptions to this rule).
1381
1314
result = "modified"
1382
1315
if hook_status == 'not_applicable':
1383
# This is a contents conflict, because none of the available
1384
# functions could merge it.
1316
# No merge hook was able to resolve the situation. Two cases exist:
1317
# a content conflict or a duplicate one.
1386
1319
name = self.tt.final_name(trans_id)
1387
1320
parent_id = self.tt.final_parent(trans_id)
1388
if self.this_tree.has_id(file_id):
1389
self.tt.unversion_file(trans_id)
1390
file_group = self._dump_conflicts(name, parent_id, file_id,
1392
self._raw_conflicts.append(('contents conflict', file_group))
1322
inhibit_content_conflict = False
1323
if params.this_kind is None: # file_id is not in THIS
1324
# Is the name used for a different file_id ?
1325
dupe_path = self.other_tree.id2path(file_id)
1326
this_id = self.this_tree.path2id(dupe_path)
1327
if this_id is not None:
1328
# Two entries for the same path
1330
# versioning the merged file will trigger a duplicate
1332
self.tt.version_file(file_id, trans_id)
1333
transform.create_from_tree(
1334
self.tt, trans_id, self.other_tree, file_id,
1335
filter_tree_path=self._get_filter_tree_path(file_id))
1336
inhibit_content_conflict = True
1337
elif params.other_kind is None: # file_id is not in OTHER
1338
# Is the name used for a different file_id ?
1339
dupe_path = self.this_tree.id2path(file_id)
1340
other_id = self.other_tree.path2id(dupe_path)
1341
if other_id is not None:
1342
# Two entries for the same path again, but here, the other
1343
# entry will also be merged. We simply inhibit the
1344
# 'content' conflict creation because we know OTHER will
1345
# create (or has already created depending on ordering) an
1346
# entry at the same path. This will trigger a 'duplicate'
1349
inhibit_content_conflict = True
1350
if not inhibit_content_conflict:
1351
if params.this_kind is not None:
1352
self.tt.unversion_file(trans_id)
1353
# This is a contents conflict, because none of the available
1354
# functions could merge it.
1355
file_group = self._dump_conflicts(name, parent_id, file_id,
1357
self._raw_conflicts.append(('contents conflict', file_group))
1393
1358
elif hook_status == 'success':
1394
1359
self.tt.create_file(lines, trans_id)
1395
1360
elif hook_status == 'conflicted':
1411
1376
raise AssertionError('unknown hook_status: %r' % (hook_status,))
1412
1377
if not self.this_tree.has_id(file_id) and result == "modified":
1413
1378
self.tt.version_file(file_id, trans_id)
1414
# The merge has been performed, so the old contents should not be
1416
self.tt.delete_contents(trans_id)
1380
# The merge has been performed and produced a new content, so the
1381
# old contents should not be retained.
1382
self.tt.delete_contents(trans_id)
1419
1385
def _default_other_winner_merge(self, merge_hook_params):
1420
1386
"""Replace this contents with other."""
1421
1387
file_id = merge_hook_params.file_id
1422
1388
trans_id = merge_hook_params.trans_id
1423
file_in_this = self.this_tree.has_id(file_id)
1424
1389
if self.other_tree.has_id(file_id):
1425
1390
# OTHER changed the file
1427
if wt.supports_content_filtering():
1428
# We get the path from the working tree if it exists.
1429
# That fails though when OTHER is adding a file, so
1430
# we fall back to the other tree to find the path if
1431
# it doesn't exist locally.
1433
filter_tree_path = wt.id2path(file_id)
1434
except errors.NoSuchId:
1435
filter_tree_path = self.other_tree.id2path(file_id)
1437
# Skip the id2path lookup for older formats
1438
filter_tree_path = None
1439
transform.create_from_tree(self.tt, trans_id,
1440
self.other_tree, file_id,
1441
filter_tree_path=filter_tree_path)
1391
transform.create_from_tree(
1392
self.tt, trans_id, self.other_tree, file_id,
1393
filter_tree_path=self._get_filter_tree_path(file_id))
1442
1394
return 'done', None
1395
elif self.this_tree.has_id(file_id):
1444
1396
# OTHER deleted the file
1445
1397
return 'delete', None
1521
1473
file_group.append(trans_id)
1476
def _get_filter_tree_path(self, file_id):
1477
if self.this_tree.supports_content_filtering():
1478
# We get the path from the working tree if it exists.
1479
# That fails though when OTHER is adding a file, so
1480
# we fall back to the other tree to find the path if
1481
# it doesn't exist locally.
1483
return self.this_tree.id2path(file_id)
1484
except errors.NoSuchId:
1485
return self.other_tree.id2path(file_id)
1486
# Skip the id2path lookup for older formats
1523
1489
def _dump_conflicts(self, name, parent_id, file_id, this_lines=None,
1524
1490
base_lines=None, other_lines=None, set_version=False,
1525
1491
no_base=False):
1609
1575
def cook_conflicts(self, fs_conflicts):
1610
1576
"""Convert all conflicts into a form that doesn't depend on trans_id"""
1611
self.cooked_conflicts.extend(transform.cook_conflicts(
1612
fs_conflicts, self.tt))
1577
content_conflict_file_ids = set()
1578
cooked_conflicts = transform.cook_conflicts(fs_conflicts, self.tt)
1613
1579
fp = transform.FinalPaths(self.tt)
1614
1580
for conflict in self._raw_conflicts:
1615
1581
conflict_type = conflict[0]
1626
1592
if other_parent is None or other_name is None:
1627
1593
other_path = '<deleted>'
1629
parent_path = fp.get_path(
1630
self.tt.trans_id_file_id(other_parent))
1595
if other_parent == self.other_tree.get_root_id():
1596
# The tree transform doesn't know about the other root,
1597
# so we special case here to avoid a NoFinalPath
1601
parent_path = fp.get_path(
1602
self.tt.trans_id_file_id(other_parent))
1631
1603
other_path = osutils.pathjoin(parent_path, other_name)
1632
1604
c = _mod_conflicts.Conflict.factory(
1633
1605
'path conflict', path=this_path,
1637
1609
for trans_id in conflict[1]:
1638
1610
file_id = self.tt.final_file_id(trans_id)
1639
1611
if file_id is not None:
1612
# Ok we found the relevant file-id
1641
1614
path = fp.get_path(trans_id)
1642
1615
for suffix in ('.BASE', '.THIS', '.OTHER'):
1643
1616
if path.endswith(suffix):
1617
# Here is the raw path
1644
1618
path = path[:-len(suffix)]
1646
1620
c = _mod_conflicts.Conflict.factory(conflict_type,
1647
1621
path=path, file_id=file_id)
1622
content_conflict_file_ids.add(file_id)
1648
1623
elif conflict_type == 'text conflict':
1649
1624
trans_id = conflict[1]
1650
1625
path = fp.get_path(trans_id)
1653
1628
path=path, file_id=file_id)
1655
1630
raise AssertionError('bad conflict type: %r' % (conflict,))
1631
cooked_conflicts.append(c)
1633
self.cooked_conflicts = []
1634
# We want to get rid of path conflicts when a corresponding contents
1635
# conflict exists. This can occur when one branch deletes a file while
1636
# the other renames *and* modifies it. In this case, the content
1637
# conflict is enough.
1638
for c in cooked_conflicts:
1639
if (c.typestring == 'path conflict'
1640
and c.file_id in content_conflict_file_ids):
1656
1642
self.cooked_conflicts.append(c)
1657
1643
self.cooked_conflicts.sort(key=_mod_conflicts.Conflict.sort_key)
1879
1865
entries = self._entries_to_incorporate()
1880
1866
entries = list(entries)
1881
1867
for num, (entry, parent_id) in enumerate(entries):
1882
child_pb.update('Preparing file merge', num, len(entries))
1868
child_pb.update(gettext('Preparing file merge'), num, len(entries))
1883
1869
parent_trans_id = self.tt.trans_id_file_id(parent_id)
1884
1870
trans_id = transform.new_by_entry(self.tt, entry,
1885
1871
parent_trans_id, self.other_tree)
1897
1883
raise PathNotInTree(self._source_subpath, "Source tree")
1898
1884
subdir = other_inv[subdir_id]
1899
1885
parent_in_target = osutils.dirname(self._target_subdir)
1900
target_id = self.this_tree.inventory.path2id(parent_in_target)
1886
target_id = self.this_tree.path2id(parent_in_target)
1901
1887
if target_id is None:
1902
1888
raise PathNotInTree(self._target_subdir, "Target tree")
1903
1889
name_in_target = osutils.basename(self._target_subdir)
1904
1890
merge_into_root = subdir.copy()
1905
1891
merge_into_root.name = name_in_target
1906
if merge_into_root.file_id in self.this_tree.inventory:
1892
if self.this_tree.has_id(merge_into_root.file_id):
1907
1893
# Give the root a new file-id.
1908
1894
# This can happen fairly easily if the directory we are
1909
1895
# incorporating is the root, and both trees have 'TREE_ROOT' as
1969
1955
merger.set_base_revision(get_revision_id(), this_branch)
1970
1956
return merger.do_merge()
1959
merge_type_registry = registry.Registry()
1960
merge_type_registry.register('diff3', Diff3Merger,
1961
"Merge using external diff3.")
1962
merge_type_registry.register('lca', LCAMerger,
1963
"LCA-newness merge.")
1964
merge_type_registry.register('merge3', Merge3Merger,
1965
"Native diff3-style merge.")
1966
merge_type_registry.register('weave', WeaveMerger,
1967
"Weave-based merge.")
1972
1970
def get_merge_type_registry():
1973
"""Merge type registry is in bzrlib.option to avoid circular imports.
1971
"""Merge type registry was previously in bzrlib.option
1975
This method provides a sanctioned way to retrieve it.
1973
This method provides a backwards compatible way to retrieve it.
1977
from bzrlib import option
1978
return option._merge_type_registry
1975
return merge_type_registry
1981
1978
def _plan_annotate_merge(annotated_a, annotated_b, ancestors_a, ancestors_b):
added
removed
bzrlib/merge.py
