93
113
return ('not applicable', None)
96
class ConfigurableFileMerger(AbstractPerFileMerger):
116
class PerFileMerger(AbstractPerFileMerger):
117
"""Merge individual files when self.file_matches returns True.
119
This class is intended to be subclassed. The file_matches and
120
merge_matching methods should be overridden with concrete implementations.
123
def file_matches(self, params):
124
"""Return True if merge_matching should be called on this file.
126
Only called with merges of plain files with no clear winner.
128
Subclasses must override this.
130
raise NotImplementedError(self.file_matches)
132
def get_filename(self, params, tree):
133
"""Lookup the filename (i.e. basename, not path), given a Tree (e.g.
134
self.merger.this_tree) and a MergeFileHookParams.
136
return osutils.basename(tree.id2path(params.file_id))
138
def get_filepath(self, params, tree):
139
"""Calculate the path to the file in a tree.
141
:param params: A MergeFileHookParams describing the file to merge
142
:param tree: a Tree, e.g. self.merger.this_tree.
144
return tree.id2path(params.file_id)
146
def merge_contents(self, params):
147
"""Merge the contents of a single file."""
148
# Check whether this custom merge logic should be used.
150
# OTHER is a straight winner, rely on default merge.
151
params.winner == 'other' or
152
# THIS and OTHER aren't both files.
153
not params.is_file_merge() or
154
# The filename doesn't match
155
not self.file_matches(params)):
156
return 'not_applicable', None
157
return self.merge_matching(params)
159
def merge_matching(self, params):
160
"""Merge the contents of a single file that has matched the criteria
161
in PerFileMerger.merge_contents (is a conflict, is a file,
162
self.file_matches is True).
164
Subclasses must override this.
166
raise NotImplementedError(self.merge_matching)
169
class ConfigurableFileMerger(PerFileMerger):
97
170
"""Merge individual files when configured via a .conf file.
99
172
This is a base class for concrete custom file merging logic. Concrete
394
454
revision_id = _mod_revision.ensure_null(revision_id)
395
455
return branch, self.revision_tree(revision_id, branch)
397
@deprecated_method(deprecated_in((2, 1, 0)))
398
def ensure_revision_trees(self):
399
if self.this_revision_tree is None:
400
self.this_basis_tree = self.revision_tree(self.this_basis)
401
if self.this_basis == self.this_rev_id:
402
self.this_revision_tree = self.this_basis_tree
404
if self.other_rev_id is None:
405
other_basis_tree = self.revision_tree(self.other_basis)
406
if other_basis_tree.has_changes(self.other_tree):
407
raise errors.WorkingTreeNotRevision(self.this_tree)
408
other_rev_id = self.other_basis
409
self.other_tree = other_basis_tree
411
@deprecated_method(deprecated_in((2, 1, 0)))
412
def file_revisions(self, file_id):
413
self.ensure_revision_trees()
414
def get_id(tree, file_id):
415
revision_id = tree.inventory[file_id].revision
417
if self.this_rev_id is None:
418
if self.this_basis_tree.get_file_sha1(file_id) != \
419
self.this_tree.get_file_sha1(file_id):
420
raise errors.WorkingTreeNotRevision(self.this_tree)
422
trees = (self.this_basis_tree, self.other_tree)
423
return [get_id(tree, file_id) for tree in trees]
425
@deprecated_method(deprecated_in((2, 1, 0)))
426
def check_basis(self, check_clean, require_commits=True):
427
if self.this_basis is None and require_commits is True:
428
raise errors.BzrCommandError(
429
"This branch has no commits."
430
" (perhaps you would prefer 'bzr pull')")
433
if self.this_basis != self.this_rev_id:
434
raise errors.UncommittedChanges(self.this_tree)
436
@deprecated_method(deprecated_in((2, 1, 0)))
437
def compare_basis(self):
439
basis_tree = self.revision_tree(self.this_tree.last_revision())
440
except errors.NoSuchRevision:
441
basis_tree = self.this_tree.basis_tree()
442
if not self.this_tree.has_changes(basis_tree):
443
self.this_rev_id = self.this_basis
445
457
def set_interesting_files(self, file_list):
446
458
self.interesting_files = file_list
546
560
self.base_rev_id = self.revision_graph.find_unique_lca(
548
self._is_criss_cross = True
562
sorted_lca_keys = self.revision_graph.find_merge_order(
564
if self.base_rev_id == _mod_revision.NULL_REVISION:
565
self.base_rev_id = sorted_lca_keys[0]
549
567
if self.base_rev_id == _mod_revision.NULL_REVISION:
550
568
raise errors.UnrelatedBranches()
551
569
if self._is_criss_cross:
552
570
trace.warning('Warning: criss-cross merge encountered. See bzr'
553
571
' help criss-cross.')
554
572
trace.mutter('Criss-cross lcas: %r' % lcas)
555
interesting_revision_ids = [self.base_rev_id]
556
interesting_revision_ids.extend(lcas)
573
if self.base_rev_id in lcas:
574
trace.mutter('Unable to find unique lca. '
575
'Fallback %r as best option.'
577
interesting_revision_ids = set(lcas)
578
interesting_revision_ids.add(self.base_rev_id)
557
579
interesting_trees = dict((t.get_revision_id(), t)
558
580
for t in self.this_branch.repository.revision_trees(
559
581
interesting_revision_ids))
560
582
self._cached_trees.update(interesting_trees)
561
self.base_tree = interesting_trees.pop(self.base_rev_id)
562
sorted_lca_keys = self.revision_graph.find_merge_order(
583
if self.base_rev_id in lcas:
584
self.base_tree = interesting_trees[self.base_rev_id]
586
self.base_tree = interesting_trees.pop(self.base_rev_id)
564
587
self._lca_trees = [interesting_trees[key]
565
588
for key in sorted_lca_keys]
869
918
it then compares with THIS and BASE.
871
920
For the multi-valued entries, the format will be (BASE, [lca1, lca2])
872
:return: [(file_id, changed, parents, names, executable)]
873
file_id Simple file_id of the entry
874
changed Boolean, True if the kind or contents changed
876
parents ((base, [parent_id, in, lcas]), parent_id_other,
878
names ((base, [name, in, lcas]), name_in_other, name_in_this)
879
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,
881
932
if self.interesting_files is not None:
882
933
lookup_trees = [self.this_tree, self.base_tree]
1043
1091
other_root = self.tt.trans_id_file_id(other_root_file_id)
1044
1092
if other_root == self.tt.root:
1047
self.tt.final_kind(other_root)
1048
except errors.NoSuchFile:
1050
if self.this_tree.has_id(self.other_tree.inventory.root.file_id):
1051
# the other tree's root is a non-root in the current tree
1053
self.reparent_children(self.other_tree.inventory.root, self.tt.root)
1054
self.tt.cancel_creation(other_root)
1055
self.tt.cancel_versioning(other_root)
1057
def reparent_children(self, ie, target):
1058
for thing, child in ie.children.iteritems():
1094
if self.this_tree.inventory.has_id(
1095
self.other_tree.inventory.root.file_id):
1096
# the other tree's root is a non-root in the current tree (as
1097
# when a previously unrelated branch is merged into another)
1099
if self.tt.final_kind(other_root) is not None:
1100
other_root_is_present = True
1102
# other_root doesn't have a physical representation. We still need
1103
# to move any references to the actual root of the tree.
1104
other_root_is_present = False
1105
# 'other_tree.inventory.root' is not present in this tree. We are
1106
# calling adjust_path for children which *want* to be present with a
1107
# correct place to go.
1108
for _, child in self.other_tree.inventory.root.children.iteritems():
1059
1109
trans_id = self.tt.trans_id_file_id(child.file_id)
1060
self.tt.adjust_path(self.tt.final_name(trans_id), target, trans_id)
1110
if not other_root_is_present:
1111
if self.tt.final_kind(trans_id) is not None:
1112
# The item exist in the final tree and has a defined place
1115
# Move the item into the root
1117
final_name = self.tt.final_name(trans_id)
1118
except errors.NoFinalPath:
1119
# This file is not present anymore, ignore it.
1121
self.tt.adjust_path(final_name, self.tt.root, trans_id)
1122
if other_root_is_present:
1123
self.tt.cancel_creation(other_root)
1124
self.tt.cancel_versioning(other_root)
1062
1126
def write_modified(self, results):
1063
1127
modified_hashes = {}
1064
1128
for path in results.modified_paths:
1065
file_id = self.this_tree.path2id(self.this_tree.relpath(path))
1129
file_id = self.working_tree.path2id(self.working_tree.relpath(path))
1066
1130
if file_id is None:
1068
hash = self.this_tree.get_file_sha1(file_id)
1132
hash = self.working_tree.get_file_sha1(file_id)
1069
1133
if hash is None:
1071
1135
modified_hashes[file_id] = hash
1072
self.this_tree.set_merge_modified(modified_hashes)
1136
self.working_tree.set_merge_modified(modified_hashes)
1075
1139
def parent(entry, file_id):
1228
1295
parent_id_winner = "other"
1229
1296
if name_winner == "this" and parent_id_winner == "this":
1231
if name_winner == "conflict":
1232
trans_id = self.tt.trans_id_file_id(file_id)
1233
self._raw_conflicts.append(('name conflict', trans_id,
1234
this_name, other_name))
1235
if parent_id_winner == "conflict":
1236
trans_id = self.tt.trans_id_file_id(file_id)
1237
self._raw_conflicts.append(('parent conflict', trans_id,
1238
this_parent, other_parent))
1239
if other_name is None:
1298
if name_winner == 'conflict' or parent_id_winner == 'conflict':
1299
# Creating helpers (.OTHER or .THIS) here cause problems down the
1300
# road if a ContentConflict needs to be created so we should not do
1302
trans_id = self.tt.trans_id_file_id(file_id)
1303
self._raw_conflicts.append(('path conflict', trans_id, file_id,
1304
this_parent, this_name,
1305
other_parent, other_name))
1306
if not self.other_tree.has_id(file_id):
1240
1307
# it doesn't matter whether the result was 'other' or
1241
# 'conflict'-- if there's no 'other', we leave it alone.
1308
# 'conflict'-- if it has no file id, we leave it alone.
1243
# if we get here, name_winner and parent_winner are set to safe values.
1244
trans_id = self.tt.trans_id_file_id(file_id)
1245
1310
parent_id = parents[self.winner_idx[parent_id_winner]]
1246
if parent_id is not None:
1247
parent_trans_id = self.tt.trans_id_file_id(parent_id)
1248
self.tt.adjust_path(names[self.winner_idx[name_winner]],
1249
parent_trans_id, trans_id)
1311
name = names[self.winner_idx[name_winner]]
1312
if parent_id is not None or name is not None:
1313
# if we get here, name_winner and parent_winner are set to safe
1315
if parent_id is None and name is not None:
1316
# if parent_id is None and name is non-None, current file is
1318
if names[self.winner_idx[parent_id_winner]] != '':
1319
raise AssertionError(
1320
'File looks like a root, but named %s' %
1321
names[self.winner_idx[parent_id_winner]])
1322
parent_trans_id = transform.ROOT_PARENT
1324
parent_trans_id = self.tt.trans_id_file_id(parent_id)
1325
self.tt.adjust_path(name, parent_trans_id,
1326
self.tt.trans_id_file_id(file_id))
1251
1328
def _do_merge_contents(self, file_id):
1252
1329
"""Performs a merge on file_id contents."""
1253
1330
def contents_pair(tree):
1254
if file_id not in tree:
1331
if not tree.has_id(file_id):
1255
1332
return (None, None)
1256
1333
kind = tree.kind(file_id)
1257
1334
if kind == "file":
1295
1372
if hook_status != 'not_applicable':
1296
1373
# Don't try any more hooks, this one applies.
1375
# If the merge ends up replacing the content of the file, we get rid of
1376
# it at the end of this method (this variable is used to track the
1377
# exceptions to this rule).
1298
1379
result = "modified"
1299
1380
if hook_status == 'not_applicable':
1300
# This is a contents conflict, because none of the available
1301
# functions could merge it.
1381
# No merge hook was able to resolve the situation. Two cases exist:
1382
# a content conflict or a duplicate one.
1303
1384
name = self.tt.final_name(trans_id)
1304
1385
parent_id = self.tt.final_parent(trans_id)
1305
if self.this_tree.has_id(file_id):
1306
self.tt.unversion_file(trans_id)
1307
file_group = self._dump_conflicts(name, parent_id, file_id,
1309
self._raw_conflicts.append(('contents conflict', file_group))
1387
inhibit_content_conflict = False
1388
if params.this_kind is None: # file_id is not in THIS
1389
# Is the name used for a different file_id ?
1390
dupe_path = self.other_tree.id2path(file_id)
1391
this_id = self.this_tree.path2id(dupe_path)
1392
if this_id is not None:
1393
# Two entries for the same path
1395
# versioning the merged file will trigger a duplicate
1397
self.tt.version_file(file_id, trans_id)
1398
transform.create_from_tree(
1399
self.tt, trans_id, self.other_tree, file_id,
1400
filter_tree_path=self._get_filter_tree_path(file_id))
1401
inhibit_content_conflict = True
1402
elif params.other_kind is None: # file_id is not in OTHER
1403
# Is the name used for a different file_id ?
1404
dupe_path = self.this_tree.id2path(file_id)
1405
other_id = self.other_tree.path2id(dupe_path)
1406
if other_id is not None:
1407
# Two entries for the same path again, but here, the other
1408
# entry will also be merged. We simply inhibit the
1409
# 'content' conflict creation because we know OTHER will
1410
# create (or has already created depending on ordering) an
1411
# entry at the same path. This will trigger a 'duplicate'
1414
inhibit_content_conflict = True
1415
if not inhibit_content_conflict:
1416
if params.this_kind is not None:
1417
self.tt.unversion_file(trans_id)
1418
# This is a contents conflict, because none of the available
1419
# functions could merge it.
1420
file_group = self._dump_conflicts(name, parent_id, file_id,
1422
self._raw_conflicts.append(('contents conflict', file_group))
1310
1423
elif hook_status == 'success':
1311
1424
self.tt.create_file(lines, trans_id)
1312
1425
elif hook_status == 'conflicted':
1328
1441
raise AssertionError('unknown hook_status: %r' % (hook_status,))
1329
1442
if not self.this_tree.has_id(file_id) and result == "modified":
1330
1443
self.tt.version_file(file_id, trans_id)
1331
# The merge has been performed, so the old contents should not be
1445
# The merge has been performed and produced a new content, so the
1446
# old contents should not be retained.
1334
1447
self.tt.delete_contents(trans_id)
1335
except errors.NoSuchFile:
1339
1450
def _default_other_winner_merge(self, merge_hook_params):
1340
1451
"""Replace this contents with other."""
1341
1452
file_id = merge_hook_params.file_id
1342
1453
trans_id = merge_hook_params.trans_id
1343
file_in_this = self.this_tree.has_id(file_id)
1344
1454
if self.other_tree.has_id(file_id):
1345
1455
# OTHER changed the file
1347
if wt.supports_content_filtering():
1348
# We get the path from the working tree if it exists.
1349
# That fails though when OTHER is adding a file, so
1350
# we fall back to the other tree to find the path if
1351
# it doesn't exist locally.
1353
filter_tree_path = wt.id2path(file_id)
1354
except errors.NoSuchId:
1355
filter_tree_path = self.other_tree.id2path(file_id)
1357
# Skip the id2path lookup for older formats
1358
filter_tree_path = None
1359
transform.create_from_tree(self.tt, trans_id,
1360
self.other_tree, file_id,
1361
filter_tree_path=filter_tree_path)
1456
transform.create_from_tree(
1457
self.tt, trans_id, self.other_tree, file_id,
1458
filter_tree_path=self._get_filter_tree_path(file_id))
1362
1459
return 'done', None
1460
elif self.this_tree.has_id(file_id):
1364
1461
# OTHER deleted the file
1365
1462
return 'delete', None
1532
1640
def cook_conflicts(self, fs_conflicts):
1533
1641
"""Convert all conflicts into a form that doesn't depend on trans_id"""
1535
self.cooked_conflicts.extend(transform.cook_conflicts(
1536
fs_conflicts, self.tt))
1642
content_conflict_file_ids = set()
1643
cooked_conflicts = transform.cook_conflicts(fs_conflicts, self.tt)
1537
1644
fp = transform.FinalPaths(self.tt)
1538
1645
for conflict in self._raw_conflicts:
1539
1646
conflict_type = conflict[0]
1540
if conflict_type in ('name conflict', 'parent conflict'):
1541
trans_id = conflict[1]
1542
conflict_args = conflict[2:]
1543
if trans_id not in name_conflicts:
1544
name_conflicts[trans_id] = {}
1545
transform.unique_add(name_conflicts[trans_id], conflict_type,
1547
if conflict_type == 'contents conflict':
1647
if conflict_type == 'path conflict':
1649
this_parent, this_name,
1650
other_parent, other_name) = conflict[1:]
1651
if this_parent is None or this_name is None:
1652
this_path = '<deleted>'
1654
parent_path = fp.get_path(
1655
self.tt.trans_id_file_id(this_parent))
1656
this_path = osutils.pathjoin(parent_path, this_name)
1657
if other_parent is None or other_name is None:
1658
other_path = '<deleted>'
1660
if other_parent == self.other_tree.get_root_id():
1661
# The tree transform doesn't know about the other root,
1662
# so we special case here to avoid a NoFinalPath
1666
parent_path = fp.get_path(
1667
self.tt.trans_id_file_id(other_parent))
1668
other_path = osutils.pathjoin(parent_path, other_name)
1669
c = _mod_conflicts.Conflict.factory(
1670
'path conflict', path=this_path,
1671
conflict_path=other_path,
1673
elif conflict_type == 'contents conflict':
1548
1674
for trans_id in conflict[1]:
1549
1675
file_id = self.tt.final_file_id(trans_id)
1550
1676
if file_id is not None:
1677
# Ok we found the relevant file-id
1552
1679
path = fp.get_path(trans_id)
1553
1680
for suffix in ('.BASE', '.THIS', '.OTHER'):
1554
1681
if path.endswith(suffix):
1682
# Here is the raw path
1555
1683
path = path[:-len(suffix)]
1557
1685
c = _mod_conflicts.Conflict.factory(conflict_type,
1558
1686
path=path, file_id=file_id)
1559
self.cooked_conflicts.append(c)
1560
if conflict_type == 'text conflict':
1687
content_conflict_file_ids.add(file_id)
1688
elif conflict_type == 'text conflict':
1561
1689
trans_id = conflict[1]
1562
1690
path = fp.get_path(trans_id)
1563
1691
file_id = self.tt.final_file_id(trans_id)
1564
1692
c = _mod_conflicts.Conflict.factory(conflict_type,
1565
1693
path=path, file_id=file_id)
1566
self.cooked_conflicts.append(c)
1695
raise AssertionError('bad conflict type: %r' % (conflict,))
1696
cooked_conflicts.append(c)
1568
for trans_id, conflicts in name_conflicts.iteritems():
1570
this_parent, other_parent = conflicts['parent conflict']
1571
if this_parent == other_parent:
1572
raise AssertionError()
1574
this_parent = other_parent = \
1575
self.tt.final_file_id(self.tt.final_parent(trans_id))
1577
this_name, other_name = conflicts['name conflict']
1578
if this_name == other_name:
1579
raise AssertionError()
1581
this_name = other_name = self.tt.final_name(trans_id)
1582
other_path = fp.get_path(trans_id)
1583
if this_parent is not None and this_name is not None:
1584
this_parent_path = \
1585
fp.get_path(self.tt.trans_id_file_id(this_parent))
1586
this_path = osutils.pathjoin(this_parent_path, this_name)
1588
this_path = "<deleted>"
1589
file_id = self.tt.final_file_id(trans_id)
1590
c = _mod_conflicts.Conflict.factory('path conflict', path=this_path,
1591
conflict_path=other_path,
1698
self.cooked_conflicts = []
1699
# We want to get rid of path conflicts when a corresponding contents
1700
# conflict exists. This can occur when one branch deletes a file while
1701
# the other renames *and* modifies it. In this case, the content
1702
# conflict is enough.
1703
for c in cooked_conflicts:
1704
if (c.typestring == 'path conflict'
1705
and c.file_id in content_conflict_file_ids):
1593
1707
self.cooked_conflicts.append(c)
1594
1708
self.cooked_conflicts.sort(key=_mod_conflicts.Conflict.sort_key)
1701
1815
osutils.rmtree(temp_dir)
1818
class PathNotInTree(errors.BzrError):
1820
_fmt = """Merge-into failed because %(tree)s does not contain %(path)s."""
1822
def __init__(self, path, tree):
1823
errors.BzrError.__init__(self, path=path, tree=tree)
1826
class MergeIntoMerger(Merger):
1827
"""Merger that understands other_tree will be merged into a subdir.
1829
This also changes the Merger api so that it uses real Branch, revision_id,
1830
and RevisonTree objects, rather than using revision specs.
1833
def __init__(self, this_tree, other_branch, other_tree, target_subdir,
1834
source_subpath, other_rev_id=None):
1835
"""Create a new MergeIntoMerger object.
1837
source_subpath in other_tree will be effectively copied to
1838
target_subdir in this_tree.
1840
:param this_tree: The tree that we will be merging into.
1841
:param other_branch: The Branch we will be merging from.
1842
:param other_tree: The RevisionTree object we want to merge.
1843
:param target_subdir: The relative path where we want to merge
1844
other_tree into this_tree
1845
:param source_subpath: The relative path specifying the subtree of
1846
other_tree to merge into this_tree.
1848
# It is assumed that we are merging a tree that is not in our current
1849
# ancestry, which means we are using the "EmptyTree" as our basis.
1850
null_ancestor_tree = this_tree.branch.repository.revision_tree(
1851
_mod_revision.NULL_REVISION)
1852
super(MergeIntoMerger, self).__init__(
1853
this_branch=this_tree.branch,
1854
this_tree=this_tree,
1855
other_tree=other_tree,
1856
base_tree=null_ancestor_tree,
1858
self._target_subdir = target_subdir
1859
self._source_subpath = source_subpath
1860
self.other_branch = other_branch
1861
if other_rev_id is None:
1862
other_rev_id = other_tree.get_revision_id()
1863
self.other_rev_id = self.other_basis = other_rev_id
1864
self.base_is_ancestor = True
1865
self.backup_files = True
1866
self.merge_type = Merge3Merger
1867
self.show_base = False
1868
self.reprocess = False
1869
self.interesting_ids = None
1870
self.merge_type = _MergeTypeParameterizer(MergeIntoMergeType,
1871
target_subdir=self._target_subdir,
1872
source_subpath=self._source_subpath)
1873
if self._source_subpath != '':
1874
# If this isn't a partial merge make sure the revisions will be
1876
self._maybe_fetch(self.other_branch, self.this_branch,
1879
def set_pending(self):
1880
if self._source_subpath != '':
1882
Merger.set_pending(self)
1885
class _MergeTypeParameterizer(object):
1886
"""Wrap a merge-type class to provide extra parameters.
1888
This is hack used by MergeIntoMerger to pass some extra parameters to its
1889
merge_type. Merger.do_merge() sets up its own set of parameters to pass to
1890
the 'merge_type' member. It is difficult override do_merge without
1891
re-writing the whole thing, so instead we create a wrapper which will pass
1892
the extra parameters.
1895
def __init__(self, merge_type, **kwargs):
1896
self._extra_kwargs = kwargs
1897
self._merge_type = merge_type
1899
def __call__(self, *args, **kwargs):
1900
kwargs.update(self._extra_kwargs)
1901
return self._merge_type(*args, **kwargs)
1903
def __getattr__(self, name):
1904
return getattr(self._merge_type, name)
1907
class MergeIntoMergeType(Merge3Merger):
1908
"""Merger that incorporates a tree (or part of a tree) into another."""
1910
def __init__(self, *args, **kwargs):
1911
"""Initialize the merger object.
1913
:param args: See Merge3Merger.__init__'s args.
1914
:param kwargs: See Merge3Merger.__init__'s keyword args, except for
1915
source_subpath and target_subdir.
1916
:keyword source_subpath: The relative path specifying the subtree of
1917
other_tree to merge into this_tree.
1918
:keyword target_subdir: The relative path where we want to merge
1919
other_tree into this_tree
1921
# All of the interesting work happens during Merge3Merger.__init__(),
1922
# so we have have to hack in to get our extra parameters set.
1923
self._source_subpath = kwargs.pop('source_subpath')
1924
self._target_subdir = kwargs.pop('target_subdir')
1925
super(MergeIntoMergeType, self).__init__(*args, **kwargs)
1927
def _compute_transform(self):
1928
child_pb = ui.ui_factory.nested_progress_bar()
1930
entries = self._entries_to_incorporate()
1931
entries = list(entries)
1932
for num, (entry, parent_id) in enumerate(entries):
1933
child_pb.update(gettext('Preparing file merge'), num, len(entries))
1934
parent_trans_id = self.tt.trans_id_file_id(parent_id)
1935
trans_id = transform.new_by_entry(self.tt, entry,
1936
parent_trans_id, self.other_tree)
1939
self._finish_computing_transform()
1941
def _entries_to_incorporate(self):
1942
"""Yields pairs of (inventory_entry, new_parent)."""
1943
other_inv = self.other_tree.inventory
1944
subdir_id = other_inv.path2id(self._source_subpath)
1945
if subdir_id is None:
1946
# XXX: The error would be clearer if it gave the URL of the source
1947
# branch, but we don't have a reference to that here.
1948
raise PathNotInTree(self._source_subpath, "Source tree")
1949
subdir = other_inv[subdir_id]
1950
parent_in_target = osutils.dirname(self._target_subdir)
1951
target_id = self.this_tree.inventory.path2id(parent_in_target)
1952
if target_id is None:
1953
raise PathNotInTree(self._target_subdir, "Target tree")
1954
name_in_target = osutils.basename(self._target_subdir)
1955
merge_into_root = subdir.copy()
1956
merge_into_root.name = name_in_target
1957
if self.this_tree.inventory.has_id(merge_into_root.file_id):
1958
# Give the root a new file-id.
1959
# This can happen fairly easily if the directory we are
1960
# incorporating is the root, and both trees have 'TREE_ROOT' as
1961
# their root_id. Users will expect this to Just Work, so we
1962
# change the file-id here.
1963
# Non-root file-ids could potentially conflict too. That's really
1964
# an edge case, so we don't do anything special for those. We let
1965
# them cause conflicts.
1966
merge_into_root.file_id = generate_ids.gen_file_id(name_in_target)
1967
yield (merge_into_root, target_id)
1968
if subdir.kind != 'directory':
1969
# No children, so we are done.
1971
for ignored_path, entry in other_inv.iter_entries_by_dir(subdir_id):
1972
parent_id = entry.parent_id
1973
if parent_id == subdir.file_id:
1974
# The root's parent ID has changed, so make sure children of
1975
# the root refer to the new ID.
1976
parent_id = merge_into_root.file_id
1977
yield (entry, parent_id)
1704
1980
def merge_inner(this_branch, other_tree, base_tree, ignore_zero=False,
1705
1981
backup_files=False,
1706
1982
merge_type=Merge3Merger,