75
68
self.outf.write(str(conflict) + '\n')
78
resolve_action_registry = registry.Registry()
81
resolve_action_registry.register(
82
'done', 'done', 'Marks the conflict as resolved' )
83
resolve_action_registry.register(
84
'take-this', 'take_this',
85
'Resolve the conflict preserving the version in the working tree' )
86
resolve_action_registry.register(
87
'take-other', 'take_other',
88
'Resolve the conflict taking the merged version into account' )
89
resolve_action_registry.default_key = 'done'
91
class ResolveActionOption(option.RegistryOption):
94
super(ResolveActionOption, self).__init__(
95
'action', 'How to resolve the conflict.',
97
registry=resolve_action_registry)
100
71
class cmd_resolve(commands.Command):
101
__doc__ = """Mark a conflict as resolved.
72
"""Mark a conflict as resolved.
103
74
Merge will do its best to combine the changes in two branches, but there
104
75
are some kinds of problems only a human can fix. When it encounters those,
105
76
it will mark a conflict. A conflict means that you need to fix something,
106
77
before you should commit.
108
Once you have fixed a problem, use "bzr resolve" to automatically mark
109
text conflicts as fixed, "bzr resolve FILE" to mark a specific conflict as
110
resolved, or "bzr resolve --all" to mark all conflicts as resolved.
79
Once you have fixed a problem, use "bzr resolve FILE.." to mark
80
individual files as fixed, or "bzr resolve --all" to mark all conflicts as
83
See also bzr conflicts.
112
85
aliases = ['resolved']
113
86
takes_args = ['file*']
115
option.Option('all', help='Resolve all conflicts in this tree.'),
116
ResolveActionOption(),
118
_see_also = ['conflicts']
119
def run(self, file_list=None, all=False, action=None):
87
takes_options = [Option('all', help='Resolve all conflicts in this tree')]
88
def run(self, file_list=None, all=False):
89
from bzrlib.workingtree import WorkingTree
122
92
raise errors.BzrCommandError("If --all is specified,"
123
93
" no FILE may be provided")
124
tree = workingtree.WorkingTree.open_containing('.')[0]
128
tree, file_list = builtins.tree_files(file_list)
129
if file_list is None:
131
# FIXME: There is a special case here related to the option
132
# handling that could be clearer and easier to discover by
133
# providing an --auto action (bug #344013 and #383396) and
134
# make it mandatory instead of implicit and active only
135
# when no file_list is provided -- vila 091229
141
if file_list is None:
142
un_resolved, resolved = tree.auto_resolve()
143
if len(un_resolved) > 0:
144
trace.note('%d conflict(s) auto-resolved.', len(resolved))
145
trace.note('Remaining conflicts:')
146
for conflict in un_resolved:
150
trace.note('All conflicts resolved.')
153
# FIXME: This can never occur but the block above needs some
154
# refactoring to transfer tree.auto_resolve() to
155
# conflict.auto(tree) --vila 091242
158
resolve(tree, file_list, action=action)
161
def resolve(tree, paths=None, ignore_misses=False, recursive=False,
163
"""Resolve some or all of the conflicts in a working tree.
165
:param paths: If None, resolve all conflicts. Otherwise, select only
167
:param recursive: If True, then elements of paths which are directories
168
have all their children resolved, etc. When invoked as part of
169
recursive commands like revert, this should be True. For commands
170
or applications wishing finer-grained control, like the resolve
171
command, this should be False.
172
:param ignore_misses: If False, warnings will be printed if the supplied
173
paths do not have conflicts.
174
:param action: How the conflict should be resolved,
94
tree = WorkingTree.open_containing('.')[0]
98
raise errors.BzrCommandError("command 'resolve' needs one or"
99
" more FILE, or --all")
100
tree = WorkingTree.open_containing(file_list[0])[0]
101
to_resolve = [tree.relpath(p) for p in file_list]
102
resolve(tree, to_resolve)
105
def resolve(tree, paths=None, ignore_misses=False):
176
106
tree.lock_tree_write()
178
108
tree_conflicts = tree.conflicts()
179
109
if paths is None:
180
110
new_conflicts = ConflictList()
181
to_process = tree_conflicts
111
selected_conflicts = tree_conflicts
183
new_conflicts, to_process = tree_conflicts.select_conflicts(
184
tree, paths, ignore_misses, recursive)
185
for conflict in to_process:
187
conflict._do(action, tree)
188
conflict.cleanup(tree)
189
except NotImplementedError:
190
new_conflicts.append(conflict)
113
new_conflicts, selected_conflicts = \
114
tree_conflicts.select_conflicts(tree, paths, ignore_misses)
192
116
tree.set_conflicts(new_conflicts)
193
117
except errors.UnsupportedOperation:
119
selected_conflicts.remove_files(tree)
199
124
def restore(filename):
200
"""Restore a conflicted file to the state it was in before merging.
202
Only text restoration is supported at present.
126
Restore a conflicted file to the state it was in before merging.
127
Only text restoration supported at present.
204
129
conflicted = False
401
321
return None, conflict.typestring
403
def _do(self, action, tree):
404
"""Apply the specified action to the conflict.
406
:param action: The method name to call.
408
:param tree: The tree passed as a parameter to the method.
410
meth = getattr(self, 'action_%s' % action, None)
412
raise NotImplementedError(self.__class__.__name__ + '.' + action)
415
def associated_filenames(self):
416
"""The names of the files generated to help resolve the conflict."""
417
raise NotImplementedError(self.associated_filenames)
419
def cleanup(self, tree):
420
for fname in self.associated_filenames():
422
osutils.delete_any(tree.abspath(fname))
424
if e.errno != errno.ENOENT:
427
def action_done(self, tree):
428
"""Mark the conflict as solved once it has been handled."""
429
# This method does nothing but simplifies the design of upper levels.
432
def action_take_this(self, tree):
433
raise NotImplementedError(self.action_take_this)
435
def action_take_other(self, tree):
436
raise NotImplementedError(self.action_take_other)
438
def _resolve_with_cleanups(self, tree, *args, **kwargs):
439
tt = transform.TreeTransform(tree)
440
op = cleanup.OperationWithCleanups(self._resolve)
441
op.add_cleanup(tt.finalize)
442
op.run_simple(tt, *args, **kwargs)
445
324
class PathConflict(Conflict):
446
325
"""A conflict was encountered merging file paths"""
461
339
s.add('conflict_path', self.conflict_path)
464
def associated_filenames(self):
465
# No additional files have been generated here
468
def _resolve(self, tt, file_id, path, winner):
469
"""Resolve the conflict.
471
:param tt: The TreeTransform where the conflict is resolved.
472
:param file_id: The retained file id.
473
:param path: The retained path.
474
:param winner: 'this' or 'other' indicates which side is the winner.
476
path_to_create = None
478
if self.path == '<deleted>':
479
return # Nothing to do
480
if self.conflict_path == '<deleted>':
481
path_to_create = self.path
482
revid = tt._tree.get_parent_ids()[0]
483
elif winner == 'other':
484
if self.conflict_path == '<deleted>':
485
return # Nothing to do
486
if self.path == '<deleted>':
487
path_to_create = self.conflict_path
488
# FIXME: If there are more than two parents we may need to
489
# iterate. Taking the last parent is the safer bet in the mean
490
# time. -- vila 20100309
491
revid = tt._tree.get_parent_ids()[-1]
494
raise AssertionError('bad winner: %r' % (winner,))
495
if path_to_create is not None:
496
tid = tt.trans_id_tree_path(path_to_create)
497
transform.create_from_tree(
498
tt, tt.trans_id_tree_path(path_to_create),
499
self._revision_tree(tt._tree, revid), file_id)
500
tt.version_file(file_id, tid)
502
# Adjust the path for the retained file id
503
tid = tt.trans_id_file_id(file_id)
504
parent_tid = tt.get_tree_parent(tid)
505
tt.adjust_path(path, parent_tid, tid)
508
def _revision_tree(self, tree, revid):
509
return tree.branch.repository.revision_tree(revid)
511
def _infer_file_id(self, tree):
512
# Prior to bug #531967, file_id wasn't always set, there may still be
513
# conflict files in the wild so we need to cope with them
514
# Establish which path we should use to find back the file-id
516
for p in (self.path, self.conflict_path):
518
# special hard-coded path
521
possible_paths.append(p)
522
# Search the file-id in the parents with any path available
524
for revid in tree.get_parent_ids():
525
revtree = self._revision_tree(tree, revid)
526
for p in possible_paths:
527
file_id = revtree.path2id(p)
528
if file_id is not None:
529
return revtree, file_id
532
def action_take_this(self, tree):
533
if self.file_id is not None:
534
self._resolve_with_cleanups(tree, self.file_id, self.path,
537
# Prior to bug #531967 we need to find back the file_id and restore
538
# the content from there
539
revtree, file_id = self._infer_file_id(tree)
540
tree.revert([revtree.id2path(file_id)],
541
old_tree=revtree, backups=False)
543
def action_take_other(self, tree):
544
if self.file_id is not None:
545
self._resolve_with_cleanups(tree, self.file_id,
549
# Prior to bug #531967 we need to find back the file_id and restore
550
# the content from there
551
revtree, file_id = self._infer_file_id(tree)
552
tree.revert([revtree.id2path(file_id)],
553
old_tree=revtree, backups=False)
556
343
class ContentsConflict(PathConflict):
557
"""The files are of different types (or both binary), or not present"""
344
"""The files are of different types, or not present"""
563
350
format = 'Contents conflict in %(path)s'
565
def associated_filenames(self):
566
return [self.path + suffix for suffix in ('.BASE', '.OTHER')]
568
def _resolve(self, tt, suffix_to_remove):
569
"""Resolve the conflict.
571
:param tt: The TreeTransform where the conflict is resolved.
572
:param suffix_to_remove: Either 'THIS' or 'OTHER'
574
The resolution is symmetric, when taking THIS, OTHER is deleted and
575
item.THIS is renamed into item and vice-versa.
578
# Delete 'item.THIS' or 'item.OTHER' depending on
581
tt.trans_id_tree_path(self.path + '.' + suffix_to_remove))
582
except errors.NoSuchFile:
583
# There are valid cases where 'item.suffix_to_remove' either
584
# never existed or was already deleted (including the case
585
# where the user deleted it)
587
# Rename 'item.suffix_to_remove' (note that if
588
# 'item.suffix_to_remove' has been deleted, this is a no-op)
589
this_tid = tt.trans_id_file_id(self.file_id)
590
parent_tid = tt.get_tree_parent(this_tid)
591
tt.adjust_path(self.path, parent_tid, this_tid)
594
def action_take_this(self, tree):
595
self._resolve_with_cleanups(tree, 'OTHER')
597
def action_take_other(self, tree):
598
self._resolve_with_cleanups(tree, 'THIS')
601
# FIXME: TextConflict is about a single file-id, there never is a conflict_path
602
# attribute so we shouldn't inherit from PathConflict but simply from Conflict
604
# TODO: There should be a base revid attribute to better inform the user about
605
# how the conflicts were generated.
606
353
class TextConflict(PathConflict):
607
354
"""The merge algorithm could not resolve all differences encountered."""
651
391
def __init__(self, action, path, conflict_path, file_id=None,
652
392
conflict_file_id=None):
653
393
HandledConflict.__init__(self, action, path, file_id)
654
self.conflict_path = conflict_path
655
# warn turned off, because the factory blindly transfers the Stanza
656
# values to __init__.
657
self.conflict_file_id = osutils.safe_file_id(conflict_file_id,
394
self.conflict_path = conflict_path
395
self.conflict_file_id = conflict_file_id
660
397
def _cmp_list(self):
661
return HandledConflict._cmp_list(self) + [self.conflict_path,
398
return HandledConflict._cmp_list(self) + [self.conflict_path,
662
399
self.conflict_file_id]
664
401
def as_stanza(self):
665
402
s = HandledConflict.as_stanza(self)
666
403
s.add('conflict_path', self.conflict_path)
667
404
if self.conflict_file_id is not None:
668
s.add('conflict_file_id', self.conflict_file_id.decode('utf8'))
405
s.add('conflict_file_id', self.conflict_file_id)
686
423
format = 'Conflict adding file %(conflict_path)s. %(action)s %(path)s.'
688
def action_take_this(self, tree):
689
tree.remove([self.conflict_path], force=True, keep_files=False)
690
tree.rename_one(self.path, self.conflict_path)
692
def action_take_other(self, tree):
693
tree.remove([self.path], force=True, keep_files=False)
696
426
class ParentLoop(HandledPathConflict):
697
427
"""An attempt to create an infinitely-looping directory structure.
698
428
This is rare, but can be produced like so:
707
437
typestring = 'parent loop'
709
format = 'Conflict moving %(path)s into %(conflict_path)s. %(action)s.'
711
def action_take_this(self, tree):
712
# just acccept bzr proposal
715
def action_take_other(self, tree):
716
# FIXME: We shouldn't have to manipulate so many paths here (and there
717
# is probably a bug or two...)
718
base_path = osutils.basename(self.path)
719
conflict_base_path = osutils.basename(self.conflict_path)
720
tt = transform.TreeTransform(tree)
722
p_tid = tt.trans_id_file_id(self.file_id)
723
parent_tid = tt.get_tree_parent(p_tid)
724
cp_tid = tt.trans_id_file_id(self.conflict_file_id)
725
cparent_tid = tt.get_tree_parent(cp_tid)
726
tt.adjust_path(base_path, cparent_tid, cp_tid)
727
tt.adjust_path(conflict_base_path, parent_tid, p_tid)
439
format = 'Conflict moving %(conflict_path)s into %(path)s. %(action)s.'
733
442
class UnversionedParent(HandledConflict):
734
"""An attempt to version a file whose parent directory is not versioned.
443
"""An attempt to version an file whose parent directory is not versioned.
735
444
Typically, the result of a merge where one tree unversioned the directory
736
445
and the other added a versioned file to it.
741
450
format = 'Conflict because %(path)s is not versioned, but has versioned'\
742
451
' children. %(action)s.'
744
# FIXME: We silently do nothing to make tests pass, but most probably the
745
# conflict shouldn't exist (the long story is that the conflict is
746
# generated with another one that can be resolved properly) -- vila 091224
747
def action_take_this(self, tree):
750
def action_take_other(self, tree):
754
454
class MissingParent(HandledConflict):
755
455
"""An attempt to add files to a directory that is not present.
756
456
Typically, the result of a merge where THIS deleted the directory and
757
457
the OTHER added a file to it.
758
See also: DeletingParent (same situation, THIS and OTHER reversed)
458
See also: DeletingParent (same situation, reversed THIS and OTHER)
761
461
typestring = 'missing parent'
763
463
format = 'Conflict adding files to %(path)s. %(action)s.'
765
def action_take_this(self, tree):
766
tree.remove([self.path], force=True, keep_files=False)
768
def action_take_other(self, tree):
769
# just acccept bzr proposal
773
466
class DeletingParent(HandledConflict):
774
467
"""An attempt to add files to a directory that is not present.
781
474
format = "Conflict: can't delete %(path)s because it is not empty. "\
784
# FIXME: It's a bit strange that the default action is not coherent with
785
# MissingParent from the *user* pov.
787
def action_take_this(self, tree):
788
# just acccept bzr proposal
791
def action_take_other(self, tree):
792
tree.remove([self.path], force=True, keep_files=False)
795
class NonDirectoryParent(HandledConflict):
796
"""An attempt to add files to a directory that is not a directory or
797
an attempt to change the kind of a directory with files.
800
typestring = 'non-directory parent'
802
format = "Conflict: %(path)s is not a directory, but has files in it."\
805
# FIXME: .OTHER should be used instead of .new when the conflict is created
807
def action_take_this(self, tree):
808
# FIXME: we should preserve that path when the conflict is generated !
809
if self.path.endswith('.new'):
810
conflict_path = self.path[:-(len('.new'))]
811
tree.remove([self.path], force=True, keep_files=False)
812
tree.add(conflict_path)
814
raise NotImplementedError(self.action_take_this)
816
def action_take_other(self, tree):
817
# FIXME: we should preserve that path when the conflict is generated !
818
if self.path.endswith('.new'):
819
conflict_path = self.path[:-(len('.new'))]
820
tree.remove([conflict_path], force=True, keep_files=False)
821
tree.rename_one(self.path, conflict_path)
823
raise NotImplementedError(self.action_take_other)