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  • Committer: Andrew Bennetts
  • Date: 2010-07-29 11:17:57 UTC
  • mfrom: (5050.3.17 2.2)
  • mto: This revision was merged to the branch mainline in revision 5365.
  • Revision ID: andrew.bennetts@canonical.com-20100729111757-018h3pcefo7z0dnq
Merge lp:bzr/2.2 into lp:bzr.

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1
 
# Copyright (C) 2006-2011 Canonical Ltd
 
1
# Copyright (C) 2006-2010 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
19
19
from stat import S_ISREG, S_IEXEC
20
20
import time
21
21
 
22
 
from bzrlib import (
23
 
    errors,
24
 
    lazy_import,
25
 
    registry,
26
 
    trace,
27
 
    tree,
28
 
    )
29
 
lazy_import.lazy_import(globals(), """
 
22
from bzrlib.lazy_import import lazy_import
 
23
lazy_import(globals(), """
30
24
from bzrlib import (
31
25
    annotate,
32
26
    bencode,
33
 
    controldir,
 
27
    bzrdir,
34
28
    commit,
35
 
    conflicts,
36
29
    delta,
37
30
    errors,
38
31
    inventory,
40
33
    osutils,
41
34
    revision as _mod_revision,
42
35
    ui,
43
 
    urlutils,
44
36
    )
45
 
from bzrlib.i18n import gettext
46
37
""")
47
38
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
48
39
                           ReusingTransform, CantMoveRoot,
49
40
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
50
41
                           UnableCreateSymlink)
51
42
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
 
43
from bzrlib.inventory import InventoryEntry
52
44
from bzrlib.osutils import (
53
45
    delete_any,
54
46
    file_kind,
55
47
    has_symlinks,
 
48
    lexists,
56
49
    pathjoin,
57
50
    sha_file,
58
51
    splitpath,
59
52
    supports_executable,
60
 
    )
 
53
)
61
54
from bzrlib.progress import ProgressPhase
62
55
from bzrlib.symbol_versioning import (
63
 
    deprecated_function,
64
 
    deprecated_in,
65
 
    deprecated_method,
66
 
    )
 
56
        deprecated_function,
 
57
        deprecated_in,
 
58
        )
 
59
from bzrlib.trace import mutter, warning
 
60
from bzrlib import tree
 
61
import bzrlib.ui
 
62
import bzrlib.urlutils as urlutils
67
63
 
68
64
 
69
65
ROOT_PARENT = "root-parent"
70
66
 
 
67
 
71
68
def unique_add(map, key, value):
72
69
    if key in map:
73
70
        raise DuplicateKey(key=key)
74
71
    map[key] = value
75
72
 
76
73
 
77
 
 
78
74
class _TransformResults(object):
79
75
    def __init__(self, modified_paths, rename_count):
80
76
        object.__init__(self)
104
100
        self._new_parent = {}
105
101
        # mapping of trans_id with new contents -> new file_kind
106
102
        self._new_contents = {}
107
 
        # mapping of trans_id => (sha1 of content, stat_value)
108
 
        self._observed_sha1s = {}
109
103
        # Set of trans_ids whose contents will be removed
110
104
        self._removed_contents = set()
111
105
        # Mapping of trans_id -> new execute-bit value
130
124
            self._new_root = self.trans_id_tree_file_id(root_id)
131
125
        else:
132
126
            self._new_root = None
133
 
        # Indicator of whether the transform has been applied
 
127
        # Indictor of whether the transform has been applied
134
128
        self._done = False
135
129
        # A progress bar
136
130
        self._pb = pb
139
133
        # A counter of how many files have been renamed
140
134
        self.rename_count = 0
141
135
 
142
 
    def __enter__(self):
143
 
        """Support Context Manager API."""
144
 
        return self
145
 
 
146
 
    def __exit__(self, exc_type, exc_val, exc_tb):
147
 
        """Support Context Manager API."""
148
 
        self.finalize()
149
 
 
150
136
    def finalize(self):
151
137
        """Release the working tree lock, if held.
152
138
 
227
213
        This means that the old root trans-id becomes obsolete, so it is
228
214
        recommended only to invoke this after the root trans-id has become
229
215
        irrelevant.
230
 
 
231
216
        """
232
217
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
233
218
                     ROOT_PARENT]
239
224
            self._new_root = new_roots[0]
240
225
            return
241
226
        old_new_root = new_roots[0]
 
227
        # TODO: What to do if a old_new_root is present, but self._new_root is
 
228
        #       not listed as being removed? This code explicitly unversions
 
229
        #       the old root and versions it with the new file_id. Though that
 
230
        #       seems like an incomplete delta
 
231
 
242
232
        # unversion the new root's directory.
243
 
        if self.final_kind(self._new_root) is None:
244
 
            file_id = self.final_file_id(old_new_root)
245
 
        else:
246
 
            file_id = self.final_file_id(self._new_root)
 
233
        file_id = self.final_file_id(old_new_root)
247
234
        if old_new_root in self._new_id:
248
235
            self.cancel_versioning(old_new_root)
249
236
        else:
253
240
        if (self.tree_file_id(self._new_root) is not None and
254
241
            self._new_root not in self._removed_id):
255
242
            self.unversion_file(self._new_root)
256
 
        if file_id is not None:
257
 
            self.version_file(file_id, self._new_root)
 
243
        self.version_file(file_id, self._new_root)
258
244
 
259
245
        # Now move children of new root into old root directory.
260
246
        # Ensure all children are registered with the transaction, but don't
329
315
 
330
316
    def delete_contents(self, trans_id):
331
317
        """Schedule the contents of a path entry for deletion"""
332
 
        kind = self.tree_kind(trans_id)
333
 
        if kind is not None:
334
 
            self._removed_contents.add(trans_id)
 
318
        # Ensure that the object exists in the WorkingTree, this will raise an
 
319
        # exception if there is a problem
 
320
        self.tree_kind(trans_id)
 
321
        self._removed_contents.add(trans_id)
335
322
 
336
323
    def cancel_deletion(self, trans_id):
337
324
        """Cancel a scheduled deletion"""
394
381
        return sorted(FinalPaths(self).get_paths(new_ids))
395
382
 
396
383
    def _inventory_altered(self):
397
 
        """Determine which trans_ids need new Inventory entries.
398
 
 
399
 
        An new entry is needed when anything that would be reflected by an
400
 
        inventory entry changes, including file name, file_id, parent file_id,
401
 
        file kind, and the execute bit.
402
 
 
403
 
        Some care is taken to return entries with real changes, not cases
404
 
        where the value is deleted and then restored to its original value,
405
 
        but some actually unchanged values may be returned.
406
 
 
407
 
        :returns: A list of (path, trans_id) for all items requiring an
408
 
            inventory change. Ordered by path.
409
 
        """
410
 
        changed_ids = set()
411
 
        # Find entries whose file_ids are new (or changed).
412
 
        new_file_id = set(t for t in self._new_id
413
 
                          if self._new_id[t] != self.tree_file_id(t))
414
 
        for id_set in [self._new_name, self._new_parent, new_file_id,
 
384
        """Get the trans_ids and paths of files needing new inv entries."""
 
385
        new_ids = set()
 
386
        for id_set in [self._new_name, self._new_parent, self._new_id,
415
387
                       self._new_executability]:
416
 
            changed_ids.update(id_set)
417
 
        # removing implies a kind change
 
388
            new_ids.update(id_set)
418
389
        changed_kind = set(self._removed_contents)
419
 
        # so does adding
420
390
        changed_kind.intersection_update(self._new_contents)
421
 
        # Ignore entries that are already known to have changed.
422
 
        changed_kind.difference_update(changed_ids)
423
 
        #  to keep only the truly changed ones
424
 
        changed_kind = (t for t in changed_kind
425
 
                        if self.tree_kind(t) != self.final_kind(t))
426
 
        # all kind changes will alter the inventory
427
 
        changed_ids.update(changed_kind)
428
 
        # To find entries with changed parent_ids, find parents which existed,
429
 
        # but changed file_id.
430
 
        changed_file_id = set(t for t in new_file_id if t in self._removed_id)
431
 
        # Now add all their children to the set.
432
 
        for parent_trans_id in new_file_id:
433
 
            changed_ids.update(self.iter_tree_children(parent_trans_id))
434
 
        return sorted(FinalPaths(self).get_paths(changed_ids))
 
391
        changed_kind.difference_update(new_ids)
 
392
        changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
 
393
                        self.final_kind(t))
 
394
        new_ids.update(changed_kind)
 
395
        return sorted(FinalPaths(self).get_paths(new_ids))
435
396
 
436
397
    def final_kind(self, trans_id):
437
398
        """Determine the final file kind, after any changes applied.
438
399
 
439
 
        :return: None if the file does not exist/has no contents.  (It is
440
 
            conceivable that a path would be created without the corresponding
441
 
            contents insertion command)
 
400
        Raises NoSuchFile if the file does not exist/has no contents.
 
401
        (It is conceivable that a path would be created without the
 
402
        corresponding contents insertion command)
442
403
        """
443
404
        if trans_id in self._new_contents:
444
405
            return self._new_contents[trans_id]
445
406
        elif trans_id in self._removed_contents:
446
 
            return None
 
407
            raise NoSuchFile(None)
447
408
        else:
448
409
            return self.tree_kind(trans_id)
449
410
 
562
523
        for trans_id in self._removed_id:
563
524
            file_id = self.tree_file_id(trans_id)
564
525
            if file_id is not None:
565
 
                # XXX: This seems like something that should go via a different
566
 
                #      indirection.
567
526
                if self._tree.inventory[file_id].kind == 'directory':
568
527
                    parents.append(trans_id)
569
528
            elif self.tree_kind(trans_id) == 'directory':
573
532
            # ensure that all children are registered with the transaction
574
533
            list(self.iter_tree_children(parent_id))
575
534
 
576
 
    @deprecated_method(deprecated_in((2, 3, 0)))
577
535
    def has_named_child(self, by_parent, parent_id, name):
578
 
        return self._has_named_child(
579
 
            name, parent_id, known_children=by_parent.get(parent_id, []))
580
 
 
581
 
    def _has_named_child(self, name, parent_id, known_children):
582
 
        """Does a parent already have a name child.
583
 
 
584
 
        :param name: The searched for name.
585
 
 
586
 
        :param parent_id: The parent for which the check is made.
587
 
 
588
 
        :param known_children: The already known children. This should have
589
 
            been recently obtained from `self.by_parent.get(parent_id)`
590
 
            (or will be if None is passed).
591
 
        """
592
 
        if known_children is None:
593
 
            known_children = self.by_parent().get(parent_id, [])
594
 
        for child in known_children:
 
536
        try:
 
537
            children = by_parent[parent_id]
 
538
        except KeyError:
 
539
            children = []
 
540
        for child in children:
595
541
            if self.final_name(child) == name:
596
542
                return True
597
 
        parent_path = self._tree_id_paths.get(parent_id, None)
598
 
        if parent_path is None:
599
 
            # No parent... no children
 
543
        try:
 
544
            path = self._tree_id_paths[parent_id]
 
545
        except KeyError:
600
546
            return False
601
 
        child_path = joinpath(parent_path, name)
602
 
        child_id = self._tree_path_ids.get(child_path, None)
 
547
        childpath = joinpath(path, name)
 
548
        child_id = self._tree_path_ids.get(childpath)
603
549
        if child_id is None:
604
 
            # Not known by the tree transform yet, check the filesystem
605
 
            return osutils.lexists(self._tree.abspath(child_path))
 
550
            return lexists(self._tree.abspath(childpath))
606
551
        else:
607
 
            raise AssertionError('child_id is missing: %s, %s, %s'
608
 
                                 % (name, parent_id, child_id))
609
 
 
610
 
    def _available_backup_name(self, name, target_id):
611
 
        """Find an available backup name.
612
 
 
613
 
        :param name: The basename of the file.
614
 
 
615
 
        :param target_id: The directory trans_id where the backup should 
616
 
            be placed.
617
 
        """
618
 
        known_children = self.by_parent().get(target_id, [])
619
 
        return osutils.available_backup_name(
620
 
            name,
621
 
            lambda base: self._has_named_child(
622
 
                base, target_id, known_children))
 
552
            if self.final_parent(child_id) != parent_id:
 
553
                return False
 
554
            if child_id in self._removed_contents:
 
555
                # XXX What about dangling file-ids?
 
556
                return False
 
557
            else:
 
558
                return True
623
559
 
624
560
    def _parent_loops(self):
625
561
        """No entry should be its own ancestor"""
660
596
        """
661
597
        conflicts = []
662
598
        for trans_id in self._new_id.iterkeys():
663
 
            kind = self.final_kind(trans_id)
664
 
            if kind is None:
 
599
            try:
 
600
                kind = self.final_kind(trans_id)
 
601
            except NoSuchFile:
665
602
                conflicts.append(('versioning no contents', trans_id))
666
603
                continue
667
 
            if not inventory.InventoryEntry.versionable_kind(kind):
 
604
            if not InventoryEntry.versionable_kind(kind):
668
605
                conflicts.append(('versioning bad kind', trans_id, kind))
669
606
        return conflicts
670
607
 
681
618
            if self.final_file_id(trans_id) is None:
682
619
                conflicts.append(('unversioned executability', trans_id))
683
620
            else:
684
 
                if self.final_kind(trans_id) != "file":
 
621
                try:
 
622
                    non_file = self.final_kind(trans_id) != "file"
 
623
                except NoSuchFile:
 
624
                    non_file = True
 
625
                if non_file is True:
685
626
                    conflicts.append(('non-file executability', trans_id))
686
627
        return conflicts
687
628
 
689
630
        """Check for overwrites (not permitted on Win32)"""
690
631
        conflicts = []
691
632
        for trans_id in self._new_contents:
692
 
            if self.tree_kind(trans_id) is None:
 
633
            try:
 
634
                self.tree_kind(trans_id)
 
635
            except NoSuchFile:
693
636
                continue
694
637
            if trans_id not in self._removed_contents:
695
638
                conflicts.append(('overwrite', trans_id,
702
645
        if (self._new_name, self._new_parent) == ({}, {}):
703
646
            return conflicts
704
647
        for children in by_parent.itervalues():
705
 
            name_ids = []
706
 
            for child_tid in children:
707
 
                name = self.final_name(child_tid)
708
 
                if name is not None:
709
 
                    # Keep children only if they still exist in the end
710
 
                    if not self._case_sensitive_target:
711
 
                        name = name.lower()
712
 
                    name_ids.append((name, child_tid))
 
648
            name_ids = [(self.final_name(t), t) for t in children]
 
649
            if not self._case_sensitive_target:
 
650
                name_ids = [(n.lower(), t) for n, t in name_ids]
713
651
            name_ids.sort()
714
652
            last_name = None
715
653
            last_trans_id = None
716
654
            for name, trans_id in name_ids:
717
 
                kind = self.final_kind(trans_id)
 
655
                try:
 
656
                    kind = self.final_kind(trans_id)
 
657
                except NoSuchFile:
 
658
                    kind = None
718
659
                file_id = self.final_file_id(trans_id)
719
660
                if kind is None and file_id is None:
720
661
                    continue
739
680
        return conflicts
740
681
 
741
682
    def _parent_type_conflicts(self, by_parent):
742
 
        """Children must have a directory parent"""
 
683
        """parents must have directory 'contents'."""
743
684
        conflicts = []
744
685
        for parent_id, children in by_parent.iteritems():
745
686
            if parent_id is ROOT_PARENT:
746
687
                continue
747
 
            no_children = True
748
 
            for child_id in children:
749
 
                if self.final_kind(child_id) is not None:
750
 
                    no_children = False
751
 
                    break
752
 
            if no_children:
 
688
            if not self._any_contents(children):
753
689
                continue
754
 
            # There is at least a child, so we need an existing directory to
755
 
            # contain it.
756
 
            kind = self.final_kind(parent_id)
 
690
            for child in children:
 
691
                try:
 
692
                    self.final_kind(child)
 
693
                except NoSuchFile:
 
694
                    continue
 
695
            try:
 
696
                kind = self.final_kind(parent_id)
 
697
            except NoSuchFile:
 
698
                kind = None
757
699
            if kind is None:
758
 
                # The directory will be deleted
759
700
                conflicts.append(('missing parent', parent_id))
760
701
            elif kind != "directory":
761
 
                # Meh, we need a *directory* to put something in it
762
702
                conflicts.append(('non-directory parent', parent_id))
763
703
        return conflicts
764
704
 
 
705
    def _any_contents(self, trans_ids):
 
706
        """Return true if any of the trans_ids, will have contents."""
 
707
        for trans_id in trans_ids:
 
708
            try:
 
709
                kind = self.final_kind(trans_id)
 
710
            except NoSuchFile:
 
711
                continue
 
712
            return True
 
713
        return False
 
714
 
765
715
    def _set_executability(self, path, trans_id):
766
716
        """Set the executability of versioned files """
767
717
        if supports_executable():
789
739
        return trans_id
790
740
 
791
741
    def new_file(self, name, parent_id, contents, file_id=None,
792
 
                 executable=None, sha1=None):
 
742
                 executable=None):
793
743
        """Convenience method to create files.
794
744
 
795
745
        name is the name of the file to create.
802
752
        trans_id = self._new_entry(name, parent_id, file_id)
803
753
        # TODO: rather than scheduling a set_executable call,
804
754
        # have create_file create the file with the right mode.
805
 
        self.create_file(contents, trans_id, sha1=sha1)
 
755
        self.create_file(contents, trans_id)
806
756
        if executable is not None:
807
757
            self.set_executability(executable, trans_id)
808
758
        return trans_id
831
781
        self.create_symlink(target, trans_id)
832
782
        return trans_id
833
783
 
834
 
    def new_orphan(self, trans_id, parent_id):
835
 
        """Schedule an item to be orphaned.
836
 
 
837
 
        When a directory is about to be removed, its children, if they are not
838
 
        versioned are moved out of the way: they don't have a parent anymore.
839
 
 
840
 
        :param trans_id: The trans_id of the existing item.
841
 
        :param parent_id: The parent trans_id of the item.
842
 
        """
843
 
        raise NotImplementedError(self.new_orphan)
844
 
 
845
 
    def _get_potential_orphans(self, dir_id):
846
 
        """Find the potential orphans in a directory.
847
 
 
848
 
        A directory can't be safely deleted if there are versioned files in it.
849
 
        If all the contained files are unversioned then they can be orphaned.
850
 
 
851
 
        The 'None' return value means that the directory contains at least one
852
 
        versioned file and should not be deleted.
853
 
 
854
 
        :param dir_id: The directory trans id.
855
 
 
856
 
        :return: A list of the orphan trans ids or None if at least one
857
 
             versioned file is present.
858
 
        """
859
 
        orphans = []
860
 
        # Find the potential orphans, stop if one item should be kept
861
 
        for child_tid in self.by_parent()[dir_id]:
862
 
            if child_tid in self._removed_contents:
863
 
                # The child is removed as part of the transform. Since it was
864
 
                # versioned before, it's not an orphan
865
 
                continue
866
 
            elif self.final_file_id(child_tid) is None:
867
 
                # The child is not versioned
868
 
                orphans.append(child_tid)
869
 
            else:
870
 
                # We have a versioned file here, searching for orphans is
871
 
                # meaningless.
872
 
                orphans = None
873
 
                break
874
 
        return orphans
875
 
 
876
784
    def _affected_ids(self):
877
785
        """Return the set of transform ids affected by the transform"""
878
786
        trans_ids = set(self._removed_id)
937
845
        Return a (name, parent, kind, executable) tuple
938
846
        """
939
847
        to_name = self.final_name(to_trans_id)
940
 
        to_kind = self.final_kind(to_trans_id)
 
848
        try:
 
849
            to_kind = self.final_kind(to_trans_id)
 
850
        except NoSuchFile:
 
851
            to_kind = None
941
852
        to_parent = self.final_file_id(self.final_parent(to_trans_id))
942
853
        if to_trans_id in self._new_executability:
943
854
            to_executable = self._new_executability[to_trans_id]
1190
1101
        self._deletiondir = None
1191
1102
        # A mapping of transform ids to their limbo filename
1192
1103
        self._limbo_files = {}
1193
 
        self._possibly_stale_limbo_files = set()
1194
1104
        # A mapping of transform ids to a set of the transform ids of children
1195
1105
        # that their limbo directory has
1196
1106
        self._limbo_children = {}
1209
1119
        if self._tree is None:
1210
1120
            return
1211
1121
        try:
1212
 
            limbo_paths = self._limbo_files.values() + list(
1213
 
                self._possibly_stale_limbo_files)
1214
 
            limbo_paths = sorted(limbo_paths, reverse=True)
1215
 
            for path in limbo_paths:
1216
 
                try:
1217
 
                    delete_any(path)
1218
 
                except OSError, e:
1219
 
                    if e.errno != errno.ENOENT:
1220
 
                        raise
1221
 
                    # XXX: warn? perhaps we just got interrupted at an
1222
 
                    # inconvenient moment, but perhaps files are disappearing
1223
 
                    # from under us?
 
1122
            entries = [(self._limbo_name(t), t, k) for t, k in
 
1123
                       self._new_contents.iteritems()]
 
1124
            entries.sort(reverse=True)
 
1125
            for path, trans_id, kind in entries:
 
1126
                delete_any(path)
1224
1127
            try:
1225
1128
                delete_any(self._limbodir)
1226
1129
            except OSError:
1275
1178
        entries from _limbo_files, because they are now stale.
1276
1179
        """
1277
1180
        for trans_id in trans_ids:
1278
 
            old_path = self._limbo_files[trans_id]
1279
 
            self._possibly_stale_limbo_files.add(old_path)
1280
 
            del self._limbo_files[trans_id]
 
1181
            old_path = self._limbo_files.pop(trans_id)
1281
1182
            if trans_id not in self._new_contents:
1282
1183
                continue
1283
1184
            new_path = self._limbo_name(trans_id)
1284
 
            os.rename(old_path, new_path)
1285
 
            self._possibly_stale_limbo_files.remove(old_path)
 
1185
            osutils.rename(old_path, new_path)
1286
1186
            for descendant in self._limbo_descendants(trans_id):
1287
1187
                desc_path = self._limbo_files[descendant]
1288
1188
                desc_path = new_path + desc_path[len(old_path):]
1295
1195
            descendants.update(self._limbo_descendants(descendant))
1296
1196
        return descendants
1297
1197
 
1298
 
    def create_file(self, contents, trans_id, mode_id=None, sha1=None):
 
1198
    def create_file(self, contents, trans_id, mode_id=None):
1299
1199
        """Schedule creation of a new file.
1300
1200
 
1301
 
        :seealso: new_file.
1302
 
 
1303
 
        :param contents: an iterator of strings, all of which will be written
1304
 
            to the target destination.
1305
 
        :param trans_id: TreeTransform handle
1306
 
        :param mode_id: If not None, force the mode of the target file to match
1307
 
            the mode of the object referenced by mode_id.
1308
 
            Otherwise, we will try to preserve mode bits of an existing file.
1309
 
        :param sha1: If the sha1 of this content is already known, pass it in.
1310
 
            We can use it to prevent future sha1 computations.
 
1201
        See also new_file.
 
1202
 
 
1203
        Contents is an iterator of strings, all of which will be written
 
1204
        to the target destination.
 
1205
 
 
1206
        New file takes the permissions of any existing file with that id,
 
1207
        unless mode_id is specified.
1311
1208
        """
1312
1209
        name = self._limbo_name(trans_id)
1313
1210
        f = open(name, 'wb')
1314
1211
        try:
1315
 
            unique_add(self._new_contents, trans_id, 'file')
 
1212
            try:
 
1213
                unique_add(self._new_contents, trans_id, 'file')
 
1214
            except:
 
1215
                # Clean up the file, it never got registered so
 
1216
                # TreeTransform.finalize() won't clean it up.
 
1217
                f.close()
 
1218
                os.unlink(name)
 
1219
                raise
 
1220
 
1316
1221
            f.writelines(contents)
1317
1222
        finally:
1318
1223
            f.close()
1319
1224
        self._set_mtime(name)
1320
1225
        self._set_mode(trans_id, mode_id, S_ISREG)
1321
 
        # It is unfortunate we have to use lstat instead of fstat, but we just
1322
 
        # used utime and chmod on the file, so we need the accurate final
1323
 
        # details.
1324
 
        if sha1 is not None:
1325
 
            self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1326
1226
 
1327
1227
    def _read_file_chunks(self, trans_id):
1328
1228
        cur_file = open(self._limbo_name(trans_id), 'rb')
1387
1287
    def cancel_creation(self, trans_id):
1388
1288
        """Cancel the creation of new file contents."""
1389
1289
        del self._new_contents[trans_id]
1390
 
        if trans_id in self._observed_sha1s:
1391
 
            del self._observed_sha1s[trans_id]
1392
1290
        children = self._limbo_children.get(trans_id)
1393
1291
        # if this is a limbo directory with children, move them before removing
1394
1292
        # the directory
1398
1296
            del self._limbo_children_names[trans_id]
1399
1297
        delete_any(self._limbo_name(trans_id))
1400
1298
 
1401
 
    def new_orphan(self, trans_id, parent_id):
1402
 
        # FIXME: There is no tree config, so we use the branch one (it's weird
1403
 
        # to define it this way as orphaning can only occur in a working tree,
1404
 
        # but that's all we have (for now). It will find the option in
1405
 
        # locations.conf or bazaar.conf though) -- vila 20100916
1406
 
        conf = self._tree.branch.get_config()
1407
 
        conf_var_name = 'bzr.transform.orphan_policy'
1408
 
        orphan_policy = conf.get_user_option(conf_var_name)
1409
 
        default_policy = orphaning_registry.default_key
1410
 
        if orphan_policy is None:
1411
 
            orphan_policy = default_policy
1412
 
        if orphan_policy not in orphaning_registry:
1413
 
            trace.warning('%s (from %s) is not a known policy, defaulting '
1414
 
                'to %s' % (orphan_policy, conf_var_name, default_policy))
1415
 
            orphan_policy = default_policy
1416
 
        handle_orphan = orphaning_registry.get(orphan_policy)
1417
 
        handle_orphan(self, trans_id, parent_id)
1418
 
 
1419
 
 
1420
 
class OrphaningError(errors.BzrError):
1421
 
 
1422
 
    # Only bugs could lead to such exception being seen by the user
1423
 
    internal_error = True
1424
 
    _fmt = "Error while orphaning %s in %s directory"
1425
 
 
1426
 
    def __init__(self, orphan, parent):
1427
 
        errors.BzrError.__init__(self)
1428
 
        self.orphan = orphan
1429
 
        self.parent = parent
1430
 
 
1431
 
 
1432
 
class OrphaningForbidden(OrphaningError):
1433
 
 
1434
 
    _fmt = "Policy: %s doesn't allow creating orphans."
1435
 
 
1436
 
    def __init__(self, policy):
1437
 
        errors.BzrError.__init__(self)
1438
 
        self.policy = policy
1439
 
 
1440
 
 
1441
 
def move_orphan(tt, orphan_id, parent_id):
1442
 
    """See TreeTransformBase.new_orphan.
1443
 
 
1444
 
    This creates a new orphan in the `bzr-orphans` dir at the root of the
1445
 
    `TreeTransform`.
1446
 
 
1447
 
    :param tt: The TreeTransform orphaning `trans_id`.
1448
 
 
1449
 
    :param orphan_id: The trans id that should be orphaned.
1450
 
 
1451
 
    :param parent_id: The orphan parent trans id.
1452
 
    """
1453
 
    # Add the orphan dir if it doesn't exist
1454
 
    orphan_dir_basename = 'bzr-orphans'
1455
 
    od_id = tt.trans_id_tree_path(orphan_dir_basename)
1456
 
    if tt.final_kind(od_id) is None:
1457
 
        tt.create_directory(od_id)
1458
 
    parent_path = tt._tree_id_paths[parent_id]
1459
 
    # Find a name that doesn't exist yet in the orphan dir
1460
 
    actual_name = tt.final_name(orphan_id)
1461
 
    new_name = tt._available_backup_name(actual_name, od_id)
1462
 
    tt.adjust_path(new_name, od_id, orphan_id)
1463
 
    trace.warning('%s has been orphaned in %s'
1464
 
                  % (joinpath(parent_path, actual_name), orphan_dir_basename))
1465
 
 
1466
 
 
1467
 
def refuse_orphan(tt, orphan_id, parent_id):
1468
 
    """See TreeTransformBase.new_orphan.
1469
 
 
1470
 
    This refuses to create orphan, letting the caller handle the conflict.
1471
 
    """
1472
 
    raise OrphaningForbidden('never')
1473
 
 
1474
 
 
1475
 
orphaning_registry = registry.Registry()
1476
 
orphaning_registry.register(
1477
 
    'conflict', refuse_orphan,
1478
 
    'Leave orphans in place and create a conflict on the directory.')
1479
 
orphaning_registry.register(
1480
 
    'move', move_orphan,
1481
 
    'Move orphans into the bzr-orphans directory.')
1482
 
orphaning_registry._set_default_key('conflict')
1483
 
 
1484
1299
 
1485
1300
class TreeTransform(DiskTreeTransform):
1486
1301
    """Represent a tree transformation.
1604
1419
    def tree_kind(self, trans_id):
1605
1420
        """Determine the file kind in the working tree.
1606
1421
 
1607
 
        :returns: The file kind or None if the file does not exist
 
1422
        Raises NoSuchFile if the file does not exist
1608
1423
        """
1609
1424
        path = self._tree_id_paths.get(trans_id)
1610
1425
        if path is None:
1611
 
            return None
 
1426
            raise NoSuchFile(None)
1612
1427
        try:
1613
1428
            return file_kind(self._tree.abspath(path))
1614
 
        except errors.NoSuchFile:
1615
 
            return None
 
1429
        except OSError, e:
 
1430
            if e.errno != errno.ENOENT:
 
1431
                raise
 
1432
            else:
 
1433
                raise NoSuchFile(path)
1616
1434
 
1617
1435
    def _set_mode(self, trans_id, mode_id, typefunc):
1618
1436
        """Set the mode of new file contents.
1724
1542
        """
1725
1543
        if not no_conflicts:
1726
1544
            self._check_malformed()
1727
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1545
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1728
1546
        try:
1729
1547
            if precomputed_delta is None:
1730
 
                child_pb.update(gettext('Apply phase'), 0, 2)
 
1548
                child_pb.update('Apply phase', 0, 2)
1731
1549
                inventory_delta = self._generate_inventory_delta()
1732
1550
                offset = 1
1733
1551
            else:
1738
1556
            else:
1739
1557
                mover = _mover
1740
1558
            try:
1741
 
                child_pb.update(gettext('Apply phase'), 0 + offset, 2 + offset)
 
1559
                child_pb.update('Apply phase', 0 + offset, 2 + offset)
1742
1560
                self._apply_removals(mover)
1743
 
                child_pb.update(gettext('Apply phase'), 1 + offset, 2 + offset)
 
1561
                child_pb.update('Apply phase', 1 + offset, 2 + offset)
1744
1562
                modified_paths = self._apply_insertions(mover)
1745
1563
            except:
1746
1564
                mover.rollback()
1749
1567
                mover.apply_deletions()
1750
1568
        finally:
1751
1569
            child_pb.finished()
1752
 
        if self.final_file_id(self.root) is None:
1753
 
            inventory_delta = [e for e in inventory_delta if e[0] != '']
1754
1570
        self._tree.apply_inventory_delta(inventory_delta)
1755
 
        self._apply_observed_sha1s()
1756
1571
        self._done = True
1757
1572
        self.finalize()
1758
1573
        return _TransformResults(modified_paths, self.rename_count)
1760
1575
    def _generate_inventory_delta(self):
1761
1576
        """Generate an inventory delta for the current transform."""
1762
1577
        inventory_delta = []
1763
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1578
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1764
1579
        new_paths = self._inventory_altered()
1765
1580
        total_entries = len(new_paths) + len(self._removed_id)
1766
1581
        try:
1767
1582
            for num, trans_id in enumerate(self._removed_id):
1768
1583
                if (num % 10) == 0:
1769
 
                    child_pb.update(gettext('removing file'), num, total_entries)
 
1584
                    child_pb.update('removing file', num, total_entries)
1770
1585
                if trans_id == self._new_root:
1771
1586
                    file_id = self._tree.get_root_id()
1772
1587
                else:
1784
1599
            final_kinds = {}
1785
1600
            for num, (path, trans_id) in enumerate(new_paths):
1786
1601
                if (num % 10) == 0:
1787
 
                    child_pb.update(gettext('adding file'),
 
1602
                    child_pb.update('adding file',
1788
1603
                                    num + len(self._removed_id), total_entries)
1789
1604
                file_id = new_path_file_ids[trans_id]
1790
1605
                if file_id is None:
1791
1606
                    continue
1792
1607
                needs_entry = False
1793
 
                kind = self.final_kind(trans_id)
1794
 
                if kind is None:
 
1608
                try:
 
1609
                    kind = self.final_kind(trans_id)
 
1610
                except NoSuchFile:
1795
1611
                    kind = self._tree.stored_kind(file_id)
1796
1612
                parent_trans_id = self.final_parent(trans_id)
1797
1613
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1828
1644
        """
1829
1645
        tree_paths = list(self._tree_path_ids.iteritems())
1830
1646
        tree_paths.sort(reverse=True)
1831
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1647
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1832
1648
        try:
1833
 
            for num, (path, trans_id) in enumerate(tree_paths):
1834
 
                # do not attempt to move root into a subdirectory of itself.
1835
 
                if path == '':
1836
 
                    continue
1837
 
                child_pb.update(gettext('removing file'), num, len(tree_paths))
 
1649
            for num, data in enumerate(tree_paths):
 
1650
                path, trans_id = data
 
1651
                child_pb.update('removing file', num, len(tree_paths))
1838
1652
                full_path = self._tree.abspath(path)
1839
1653
                if trans_id in self._removed_contents:
1840
1654
                    delete_path = os.path.join(self._deletiondir, trans_id)
1865
1679
        modified_paths = []
1866
1680
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1867
1681
                                 new_paths)
1868
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1682
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1869
1683
        try:
1870
1684
            for num, (path, trans_id) in enumerate(new_paths):
1871
1685
                if (num % 10) == 0:
1872
 
                    child_pb.update(gettext('adding file'), num, len(new_paths))
 
1686
                    child_pb.update('adding file', num, len(new_paths))
1873
1687
                full_path = self._tree.abspath(path)
1874
1688
                if trans_id in self._needs_rename:
1875
1689
                    try:
1880
1694
                            raise
1881
1695
                    else:
1882
1696
                        self.rename_count += 1
1883
 
                    # TODO: if trans_id in self._observed_sha1s, we should
1884
 
                    #       re-stat the final target, since ctime will be
1885
 
                    #       updated by the change.
1886
1697
                if (trans_id in self._new_contents or
1887
1698
                    self.path_changed(trans_id)):
1888
1699
                    if trans_id in self._new_contents:
1889
1700
                        modified_paths.append(full_path)
1890
1701
                if trans_id in self._new_executability:
1891
1702
                    self._set_executability(path, trans_id)
1892
 
                if trans_id in self._observed_sha1s:
1893
 
                    o_sha1, o_st_val = self._observed_sha1s[trans_id]
1894
 
                    st = osutils.lstat(full_path)
1895
 
                    self._observed_sha1s[trans_id] = (o_sha1, st)
1896
1703
        finally:
1897
1704
            child_pb.finished()
1898
 
        for path, trans_id in new_paths:
1899
 
            # new_paths includes stuff like workingtree conflicts. Only the
1900
 
            # stuff in new_contents actually comes from limbo.
1901
 
            if trans_id in self._limbo_files:
1902
 
                del self._limbo_files[trans_id]
1903
1705
        self._new_contents.clear()
1904
1706
        return modified_paths
1905
1707
 
1906
 
    def _apply_observed_sha1s(self):
1907
 
        """After we have finished renaming everything, update observed sha1s
1908
 
 
1909
 
        This has to be done after self._tree.apply_inventory_delta, otherwise
1910
 
        it doesn't know anything about the files we are updating. Also, we want
1911
 
        to do this as late as possible, so that most entries end up cached.
1912
 
        """
1913
 
        # TODO: this doesn't update the stat information for directories. So
1914
 
        #       the first 'bzr status' will still need to rewrite
1915
 
        #       .bzr/checkout/dirstate. However, we at least don't need to
1916
 
        #       re-read all of the files.
1917
 
        # TODO: If the operation took a while, we could do a time.sleep(3) here
1918
 
        #       to allow the clock to tick over and ensure we won't have any
1919
 
        #       problems. (we could observe start time, and finish time, and if
1920
 
        #       it is less than eg 10% overhead, add a sleep call.)
1921
 
        paths = FinalPaths(self)
1922
 
        for trans_id, observed in self._observed_sha1s.iteritems():
1923
 
            path = paths.get_path(trans_id)
1924
 
            # We could get the file_id, but dirstate prefers to use the path
1925
 
            # anyway, and it is 'cheaper' to determine.
1926
 
            # file_id = self._new_id[trans_id]
1927
 
            self._tree._observed_sha1(None, path, observed)
1928
 
 
1929
1708
 
1930
1709
class TransformPreview(DiskTreeTransform):
1931
1710
    """A TreeTransform for generating preview trees.
1946
1725
    def tree_kind(self, trans_id):
1947
1726
        path = self._tree_id_paths.get(trans_id)
1948
1727
        if path is None:
1949
 
            return None
1950
 
        kind = self._tree.path_content_summary(path)[0]
1951
 
        if kind == 'missing':
1952
 
            kind = None
1953
 
        return kind
 
1728
            raise NoSuchFile(None)
 
1729
        file_id = self._tree.path2id(path)
 
1730
        return self._tree.kind(file_id)
1954
1731
 
1955
1732
    def _set_mode(self, trans_id, mode_id, typefunc):
1956
1733
        """Set the mode of new file contents.
1976
1753
            childpath = joinpath(path, child)
1977
1754
            yield self.trans_id_tree_path(childpath)
1978
1755
 
1979
 
    def new_orphan(self, trans_id, parent_id):
1980
 
        raise NotImplementedError(self.new_orphan)
1981
 
 
1982
 
 
1983
 
class _PreviewTree(tree.InventoryTree):
 
1756
 
 
1757
class _PreviewTree(tree.Tree):
1984
1758
    """Partial implementation of Tree to support show_diff_trees"""
1985
1759
 
1986
1760
    def __init__(self, transform):
2015
1789
                yield self._get_repository().revision_tree(revision_id)
2016
1790
 
2017
1791
    def _get_file_revision(self, file_id, vf, tree_revision):
2018
 
        parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
 
1792
        parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2019
1793
                       self._iter_parent_trees()]
2020
1794
        vf.add_lines((file_id, tree_revision), parent_keys,
2021
1795
                     self.get_file_lines(file_id))
2025
1799
            vf.fallback_versionedfiles.append(base_vf)
2026
1800
        return tree_revision
2027
1801
 
2028
 
    def _stat_limbo_file(self, file_id=None, trans_id=None):
2029
 
        if trans_id is None:
2030
 
            trans_id = self._transform.trans_id_file_id(file_id)
 
1802
    def _stat_limbo_file(self, file_id):
 
1803
        trans_id = self._transform.trans_id_file_id(file_id)
2031
1804
        name = self._transform._limbo_name(trans_id)
2032
1805
        return os.lstat(name)
2033
1806
 
2156
1929
            if (specific_file_ids is not None
2157
1930
                and file_id not in specific_file_ids):
2158
1931
                continue
2159
 
            kind = self._transform.final_kind(trans_id)
2160
 
            if kind is None:
 
1932
            try:
 
1933
                kind = self._transform.final_kind(trans_id)
 
1934
            except NoSuchFile:
2161
1935
                kind = self._transform._tree.stored_kind(file_id)
2162
1936
            new_entry = inventory.make_entry(
2163
1937
                kind,
2248
2022
 
2249
2023
    def get_file_size(self, file_id):
2250
2024
        """See Tree.get_file_size"""
2251
 
        trans_id = self._transform.trans_id_file_id(file_id)
2252
 
        kind = self._transform.final_kind(trans_id)
2253
 
        if kind != 'file':
2254
 
            return None
2255
 
        if trans_id in self._transform._new_contents:
2256
 
            return self._stat_limbo_file(trans_id=trans_id).st_size
2257
2025
        if self.kind(file_id) == 'file':
2258
2026
            return self._transform._tree.get_file_size(file_id)
2259
2027
        else:
2260
2028
            return None
2261
2029
 
2262
 
    def get_file_verifier(self, file_id, path=None, stat_value=None):
2263
 
        trans_id = self._transform.trans_id_file_id(file_id)
2264
 
        kind = self._transform._new_contents.get(trans_id)
2265
 
        if kind is None:
2266
 
            return self._transform._tree.get_file_verifier(file_id)
2267
 
        if kind == 'file':
2268
 
            fileobj = self.get_file(file_id)
2269
 
            try:
2270
 
                return ("SHA1", sha_file(fileobj))
2271
 
            finally:
2272
 
                fileobj.close()
2273
 
 
2274
2030
    def get_file_sha1(self, file_id, path=None, stat_value=None):
2275
2031
        trans_id = self._transform.trans_id_file_id(file_id)
2276
2032
        kind = self._transform._new_contents.get(trans_id)
2299
2055
            except errors.NoSuchId:
2300
2056
                return False
2301
2057
 
2302
 
    def has_filename(self, path):
2303
 
        trans_id = self._path2trans_id(path)
2304
 
        if trans_id in self._transform._new_contents:
2305
 
            return True
2306
 
        elif trans_id in self._transform._removed_contents:
2307
 
            return False
2308
 
        else:
2309
 
            return self._transform._tree.has_filename(path)
2310
 
 
2311
2058
    def path_content_summary(self, path):
2312
2059
        trans_id = self._path2trans_id(path)
2313
2060
        tt = self._transform
2401
2148
                                   self.get_file(file_id).readlines(),
2402
2149
                                   default_revision)
2403
2150
 
2404
 
    def get_symlink_target(self, file_id, path=None):
 
2151
    def get_symlink_target(self, file_id):
2405
2152
        """See Tree.get_symlink_target"""
2406
2153
        if not self._content_change(file_id):
2407
2154
            return self._transform._tree.get_symlink_target(file_id)
2422
2169
                path_from_root = self._final_paths.get_path(child_id)
2423
2170
                basename = self._transform.final_name(child_id)
2424
2171
                file_id = self._transform.final_file_id(child_id)
2425
 
                kind  = self._transform.final_kind(child_id)
2426
 
                if kind is not None:
 
2172
                try:
 
2173
                    kind = self._transform.final_kind(child_id)
2427
2174
                    versioned_kind = kind
2428
 
                else:
 
2175
                except NoSuchFile:
2429
2176
                    kind = 'unknown'
2430
2177
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2431
2178
                if versioned_kind == 'directory':
2545
2292
        if num > 0:  # more than just a root
2546
2293
            raise errors.WorkingTreeAlreadyPopulated(base=wt.basedir)
2547
2294
    file_trans_id = {}
2548
 
    top_pb = ui.ui_factory.nested_progress_bar()
 
2295
    top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2549
2296
    pp = ProgressPhase("Build phase", 2, top_pb)
2550
2297
    if tree.inventory.root is not None:
2551
2298
        # This is kind of a hack: we should be altering the root
2564
2311
        pp.next_phase()
2565
2312
        file_trans_id[wt.get_root_id()] = \
2566
2313
            tt.trans_id_tree_file_id(wt.get_root_id())
2567
 
        pb = ui.ui_factory.nested_progress_bar()
 
2314
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
2568
2315
        try:
2569
2316
            deferred_contents = []
2570
2317
            num = 0
2584
2331
                    existing_files.update(f[0] for f in files)
2585
2332
            for num, (tree_path, entry) in \
2586
2333
                enumerate(tree.inventory.iter_entries_by_dir()):
2587
 
                pb.update(gettext("Building tree"), num - len(deferred_contents), total)
 
2334
                pb.update("Building tree", num - len(deferred_contents), total)
2588
2335
                if entry.parent_id is None:
2589
2336
                    continue
2590
2337
                reparent = False
2596
2343
                    kind = file_kind(target_path)
2597
2344
                    if kind == "directory":
2598
2345
                        try:
2599
 
                            controldir.ControlDir.open(target_path)
 
2346
                            bzrdir.BzrDir.open(target_path)
2600
2347
                        except errors.NotBranchError:
2601
2348
                            pass
2602
2349
                        else:
2617
2364
                    executable = tree.is_executable(file_id, tree_path)
2618
2365
                    if executable:
2619
2366
                        tt.set_executability(executable, trans_id)
2620
 
                    trans_data = (trans_id, tree_path, entry.text_sha1)
 
2367
                    trans_data = (trans_id, tree_path)
2621
2368
                    deferred_contents.append((file_id, trans_data))
2622
2369
                else:
2623
2370
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2639
2386
            precomputed_delta = None
2640
2387
        conflicts = cook_conflicts(raw_conflicts, tt)
2641
2388
        for conflict in conflicts:
2642
 
            trace.warning(unicode(conflict))
 
2389
            warning(conflict)
2643
2390
        try:
2644
2391
            wt.add_conflicts(conflicts)
2645
2392
        except errors.UnsupportedOperation:
2668
2415
        unchanged = dict(unchanged)
2669
2416
        new_desired_files = []
2670
2417
        count = 0
2671
 
        for file_id, (trans_id, tree_path, text_sha1) in desired_files:
 
2418
        for file_id, (trans_id, tree_path) in desired_files:
2672
2419
            accelerator_path = unchanged.get(file_id)
2673
2420
            if accelerator_path is None:
2674
 
                new_desired_files.append((file_id,
2675
 
                    (trans_id, tree_path, text_sha1)))
 
2421
                new_desired_files.append((file_id, (trans_id, tree_path)))
2676
2422
                continue
2677
 
            pb.update(gettext('Adding file contents'), count + offset, total)
 
2423
            pb.update('Adding file contents', count + offset, total)
2678
2424
            if hardlink:
2679
2425
                tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2680
2426
                                   trans_id)
2685
2431
                    contents = filtered_output_bytes(contents, filters,
2686
2432
                        ContentFilterContext(tree_path, tree))
2687
2433
                try:
2688
 
                    tt.create_file(contents, trans_id, sha1=text_sha1)
 
2434
                    tt.create_file(contents, trans_id)
2689
2435
                finally:
2690
2436
                    try:
2691
2437
                        contents.close()
2694
2440
                        pass
2695
2441
            count += 1
2696
2442
        offset += count
2697
 
    for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
 
2443
    for count, ((trans_id, tree_path), contents) in enumerate(
2698
2444
            tree.iter_files_bytes(new_desired_files)):
2699
2445
        if wt.supports_content_filtering():
2700
2446
            filters = wt._content_filter_stack(tree_path)
2701
2447
            contents = filtered_output_bytes(contents, filters,
2702
2448
                ContentFilterContext(tree_path, tree))
2703
 
        tt.create_file(contents, trans_id, sha1=text_sha1)
2704
 
        pb.update(gettext('Adding file contents'), count + offset, total)
 
2449
        tt.create_file(contents, trans_id)
 
2450
        pb.update('Adding file contents', count + offset, total)
2705
2451
 
2706
2452
 
2707
2453
def _reparent_children(tt, old_parent, new_parent):
2708
2454
    for child in tt.iter_tree_children(old_parent):
2709
2455
        tt.adjust_path(tt.final_name(child), new_parent, child)
2710
2456
 
2711
 
 
2712
2457
def _reparent_transform_children(tt, old_parent, new_parent):
2713
2458
    by_parent = tt.by_parent()
2714
2459
    for child in by_parent[old_parent]:
2715
2460
        tt.adjust_path(tt.final_name(child), new_parent, child)
2716
2461
    return by_parent[old_parent]
2717
2462
 
2718
 
 
2719
2463
def _content_match(tree, entry, file_id, kind, target_path):
2720
2464
    if entry.kind != kind:
2721
2465
        return False
2821
2565
        tt.set_executability(entry.executable, trans_id)
2822
2566
 
2823
2567
 
2824
 
@deprecated_function(deprecated_in((2, 3, 0)))
2825
2568
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2826
2569
    return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2827
2570
 
2828
2571
 
2829
 
@deprecated_function(deprecated_in((2, 3, 0)))
2830
2572
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2831
2573
    """Produce a backup-style name that appears to be available"""
2832
2574
    def name_gen():
2881
2623
                unversioned_filter=working_tree.is_ignored)
2882
2624
            delta.report_changes(tt.iter_changes(), change_reporter)
2883
2625
        for conflict in conflicts:
2884
 
            trace.warning(unicode(conflict))
 
2626
            warning(conflict)
2885
2627
        pp.next_phase()
2886
2628
        tt.apply()
2887
2629
        working_tree.set_merge_modified(merge_modified)
2895
2637
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2896
2638
                              backups, pp, basis_tree=None,
2897
2639
                              merge_modified=None):
2898
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2640
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2899
2641
    try:
2900
2642
        if merge_modified is None:
2901
2643
            merge_modified = working_tree.merge_modified()
2904
2646
                                      merge_modified, basis_tree)
2905
2647
    finally:
2906
2648
        child_pb.finished()
2907
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2649
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2908
2650
    try:
2909
2651
        raw_conflicts = resolve_conflicts(tt, child_pb,
2910
2652
            lambda t, c: conflict_pass(t, c, target_tree))
2918
2660
                 backups, merge_modified, basis_tree=None):
2919
2661
    if basis_tree is not None:
2920
2662
        basis_tree.lock_read()
2921
 
    # We ask the working_tree for its changes relative to the target, rather
2922
 
    # than the target changes relative to the working tree. Because WT4 has an
2923
 
    # optimizer to compare itself to a target, but no optimizer for the
2924
 
    # reverse.
2925
 
    change_list = working_tree.iter_changes(target_tree,
 
2663
    change_list = target_tree.iter_changes(working_tree,
2926
2664
        specific_files=specific_files, pb=pb)
2927
2665
    if target_tree.get_root_id() is None:
2928
2666
        skip_root = True
2932
2670
        deferred_files = []
2933
2671
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2934
2672
                kind, executable) in enumerate(change_list):
2935
 
            target_path, wt_path = path
2936
 
            target_versioned, wt_versioned = versioned
2937
 
            target_parent, wt_parent = parent
2938
 
            target_name, wt_name = name
2939
 
            target_kind, wt_kind = kind
2940
 
            target_executable, wt_executable = executable
2941
 
            if skip_root and wt_parent is None:
 
2673
            if skip_root and file_id[0] is not None and parent[0] is None:
2942
2674
                continue
2943
2675
            trans_id = tt.trans_id_file_id(file_id)
2944
2676
            mode_id = None
2945
2677
            if changed_content:
2946
2678
                keep_content = False
2947
 
                if wt_kind == 'file' and (backups or target_kind is None):
 
2679
                if kind[0] == 'file' and (backups or kind[1] is None):
2948
2680
                    wt_sha1 = working_tree.get_file_sha1(file_id)
2949
2681
                    if merge_modified.get(file_id) != wt_sha1:
2950
2682
                        # acquire the basis tree lazily to prevent the
2953
2685
                        if basis_tree is None:
2954
2686
                            basis_tree = working_tree.basis_tree()
2955
2687
                            basis_tree.lock_read()
2956
 
                        if basis_tree.has_id(file_id):
 
2688
                        if file_id in basis_tree:
2957
2689
                            if wt_sha1 != basis_tree.get_file_sha1(file_id):
2958
2690
                                keep_content = True
2959
 
                        elif target_kind is None and not target_versioned:
 
2691
                        elif kind[1] is None and not versioned[1]:
2960
2692
                            keep_content = True
2961
 
                if wt_kind is not None:
 
2693
                if kind[0] is not None:
2962
2694
                    if not keep_content:
2963
2695
                        tt.delete_contents(trans_id)
2964
 
                    elif target_kind is not None:
2965
 
                        parent_trans_id = tt.trans_id_file_id(wt_parent)
2966
 
                        backup_name = tt._available_backup_name(
2967
 
                            wt_name, parent_trans_id)
 
2696
                    elif kind[1] is not None:
 
2697
                        parent_trans_id = tt.trans_id_file_id(parent[0])
 
2698
                        by_parent = tt.by_parent()
 
2699
                        backup_name = _get_backup_name(name[0], by_parent,
 
2700
                                                       parent_trans_id, tt)
2968
2701
                        tt.adjust_path(backup_name, parent_trans_id, trans_id)
2969
 
                        new_trans_id = tt.create_path(wt_name, parent_trans_id)
2970
 
                        if wt_versioned and target_versioned:
 
2702
                        new_trans_id = tt.create_path(name[0], parent_trans_id)
 
2703
                        if versioned == (True, True):
2971
2704
                            tt.unversion_file(trans_id)
2972
2705
                            tt.version_file(file_id, new_trans_id)
2973
2706
                        # New contents should have the same unix perms as old
2974
2707
                        # contents
2975
2708
                        mode_id = trans_id
2976
2709
                        trans_id = new_trans_id
2977
 
                if target_kind in ('directory', 'tree-reference'):
 
2710
                if kind[1] in ('directory', 'tree-reference'):
2978
2711
                    tt.create_directory(trans_id)
2979
 
                    if target_kind == 'tree-reference':
 
2712
                    if kind[1] == 'tree-reference':
2980
2713
                        revision = target_tree.get_reference_revision(file_id,
2981
 
                                                                      target_path)
 
2714
                                                                      path[1])
2982
2715
                        tt.set_tree_reference(revision, trans_id)
2983
 
                elif target_kind == 'symlink':
 
2716
                elif kind[1] == 'symlink':
2984
2717
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2985
2718
                                      trans_id)
2986
 
                elif target_kind == 'file':
 
2719
                elif kind[1] == 'file':
2987
2720
                    deferred_files.append((file_id, (trans_id, mode_id)))
2988
2721
                    if basis_tree is None:
2989
2722
                        basis_tree = working_tree.basis_tree()
2990
2723
                        basis_tree.lock_read()
2991
2724
                    new_sha1 = target_tree.get_file_sha1(file_id)
2992
 
                    if (basis_tree.has_id(file_id) and
2993
 
                        new_sha1 == basis_tree.get_file_sha1(file_id)):
 
2725
                    if (file_id in basis_tree and new_sha1 ==
 
2726
                        basis_tree.get_file_sha1(file_id)):
2994
2727
                        if file_id in merge_modified:
2995
2728
                            del merge_modified[file_id]
2996
2729
                    else:
2997
2730
                        merge_modified[file_id] = new_sha1
2998
2731
 
2999
2732
                    # preserve the execute bit when backing up
3000
 
                    if keep_content and wt_executable == target_executable:
3001
 
                        tt.set_executability(target_executable, trans_id)
3002
 
                elif target_kind is not None:
3003
 
                    raise AssertionError(target_kind)
3004
 
            if not wt_versioned and target_versioned:
 
2733
                    if keep_content and executable[0] == executable[1]:
 
2734
                        tt.set_executability(executable[1], trans_id)
 
2735
                elif kind[1] is not None:
 
2736
                    raise AssertionError(kind[1])
 
2737
            if versioned == (False, True):
3005
2738
                tt.version_file(file_id, trans_id)
3006
 
            if wt_versioned and not target_versioned:
 
2739
            if versioned == (True, False):
3007
2740
                tt.unversion_file(trans_id)
3008
 
            if (target_name is not None and
3009
 
                (wt_name != target_name or wt_parent != target_parent)):
3010
 
                if target_name == '' and target_parent is None:
 
2741
            if (name[1] is not None and
 
2742
                (name[0] != name[1] or parent[0] != parent[1])):
 
2743
                if name[1] == '' and parent[1] is None:
3011
2744
                    parent_trans = ROOT_PARENT
3012
2745
                else:
3013
 
                    parent_trans = tt.trans_id_file_id(target_parent)
3014
 
                if wt_parent is None and wt_versioned:
3015
 
                    tt.adjust_root_path(target_name, parent_trans)
 
2746
                    parent_trans = tt.trans_id_file_id(parent[1])
 
2747
                if parent[0] is None and versioned[0]:
 
2748
                    tt.adjust_root_path(name[1], parent_trans)
3016
2749
                else:
3017
 
                    tt.adjust_path(target_name, parent_trans, trans_id)
3018
 
            if wt_executable != target_executable and target_kind == "file":
3019
 
                tt.set_executability(target_executable, trans_id)
 
2750
                    tt.adjust_path(name[1], parent_trans, trans_id)
 
2751
            if executable[0] != executable[1] and kind[1] == "file":
 
2752
                tt.set_executability(executable[1], trans_id)
3020
2753
        if working_tree.supports_content_filtering():
3021
2754
            for index, ((trans_id, mode_id), bytes) in enumerate(
3022
2755
                target_tree.iter_files_bytes(deferred_files)):
3048
2781
    pb = ui.ui_factory.nested_progress_bar()
3049
2782
    try:
3050
2783
        for n in range(10):
3051
 
            pb.update(gettext('Resolution pass'), n+1, 10)
 
2784
            pb.update('Resolution pass', n+1, 10)
3052
2785
            conflicts = tt.find_conflicts()
3053
2786
            if len(conflicts) == 0:
3054
2787
                return new_conflicts
3093
2826
 
3094
2827
        elif c_type == 'missing parent':
3095
2828
            trans_id = conflict[1]
3096
 
            if trans_id in tt._removed_contents:
3097
 
                cancel_deletion = True
3098
 
                orphans = tt._get_potential_orphans(trans_id)
3099
 
                if orphans:
3100
 
                    cancel_deletion = False
3101
 
                    # All children are orphans
3102
 
                    for o in orphans:
3103
 
                        try:
3104
 
                            tt.new_orphan(o, trans_id)
3105
 
                        except OrphaningError:
3106
 
                            # Something bad happened so we cancel the directory
3107
 
                            # deletion which will leave it in place with a
3108
 
                            # conflict. The user can deal with it from there.
3109
 
                            # Note that this also catch the case where we don't
3110
 
                            # want to create orphans and leave the directory in
3111
 
                            # place.
3112
 
                            cancel_deletion = True
3113
 
                            break
3114
 
                if cancel_deletion:
3115
 
                    # Cancel the directory deletion
3116
 
                    tt.cancel_deletion(trans_id)
3117
 
                    new_conflicts.add(('deleting parent', 'Not deleting',
3118
 
                                       trans_id))
3119
 
            else:
 
2829
            try:
 
2830
                tt.cancel_deletion(trans_id)
 
2831
                new_conflicts.add(('deleting parent', 'Not deleting',
 
2832
                                   trans_id))
 
2833
            except KeyError:
3120
2834
                create = True
3121
2835
                try:
3122
2836
                    tt.final_name(trans_id)
3125
2839
                        file_id = tt.final_file_id(trans_id)
3126
2840
                        if file_id is None:
3127
2841
                            file_id = tt.inactive_file_id(trans_id)
3128
 
                        _, entry = path_tree.iter_entries_by_dir(
3129
 
                            [file_id]).next()
 
2842
                        entry = path_tree.inventory[file_id]
3130
2843
                        # special-case the other tree root (move its
3131
2844
                        # children to current root)
3132
2845
                        if entry.parent_id is None:
3147
2860
        elif c_type == 'unversioned parent':
3148
2861
            file_id = tt.inactive_file_id(conflict[1])
3149
2862
            # special-case the other tree root (move its children instead)
3150
 
            if path_tree and path_tree.has_id(file_id):
3151
 
                if path_tree.path2id('') == file_id:
3152
 
                    # This is the root entry, skip it
 
2863
            if path_tree and file_id in path_tree:
 
2864
                if path_tree.inventory[file_id].parent_id is None:
3153
2865
                    continue
3154
2866
            tt.version_file(file_id, conflict[1])
3155
2867
            new_conflicts.add((c_type, 'Versioned directory', conflict[1]))
3171
2883
 
3172
2884
def cook_conflicts(raw_conflicts, tt):
3173
2885
    """Generate a list of cooked conflicts, sorted by file path"""
 
2886
    from bzrlib.conflicts import Conflict
3174
2887
    conflict_iter = iter_cook_conflicts(raw_conflicts, tt)
3175
 
    return sorted(conflict_iter, key=conflicts.Conflict.sort_key)
 
2888
    return sorted(conflict_iter, key=Conflict.sort_key)
3176
2889
 
3177
2890
 
3178
2891
def iter_cook_conflicts(raw_conflicts, tt):
 
2892
    from bzrlib.conflicts import Conflict
3179
2893
    fp = FinalPaths(tt)
3180
2894
    for conflict in raw_conflicts:
3181
2895
        c_type = conflict[0]
3183
2897
        modified_path = fp.get_path(conflict[2])
3184
2898
        modified_id = tt.final_file_id(conflict[2])
3185
2899
        if len(conflict) == 3:
3186
 
            yield conflicts.Conflict.factory(
3187
 
                c_type, action=action, path=modified_path, file_id=modified_id)
 
2900
            yield Conflict.factory(c_type, action=action, path=modified_path,
 
2901
                                     file_id=modified_id)
3188
2902
 
3189
2903
        else:
3190
2904
            conflicting_path = fp.get_path(conflict[3])
3191
2905
            conflicting_id = tt.final_file_id(conflict[3])
3192
 
            yield conflicts.Conflict.factory(
3193
 
                c_type, action=action, path=modified_path,
3194
 
                file_id=modified_id,
3195
 
                conflict_path=conflicting_path,
3196
 
                conflict_file_id=conflicting_id)
 
2906
            yield Conflict.factory(c_type, action=action, path=modified_path,
 
2907
                                   file_id=modified_id,
 
2908
                                   conflict_path=conflicting_path,
 
2909
                                   conflict_file_id=conflicting_id)
3197
2910
 
3198
2911
 
3199
2912
class _FileMover(object):
3206
2919
    def rename(self, from_, to):
3207
2920
        """Rename a file from one path to another."""
3208
2921
        try:
3209
 
            os.rename(from_, to)
3210
 
        except OSError, e:
 
2922
            osutils.rename(from_, to)
 
2923
        except (IOError, OSError), e:
3211
2924
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3212
2925
                raise errors.FileExists(to, str(e))
3213
2926
            # normal OSError doesn't include filenames so it's hard to see where
3229
2942
        """Reverse all renames that have been performed"""
3230
2943
        for from_, to in reversed(self.past_renames):
3231
2944
            try:
3232
 
                os.rename(to, from_)
3233
 
            except OSError, e:
3234
 
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
 
2945
                osutils.rename(to, from_)
 
2946
            except (OSError, IOError), e:
 
2947
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)                
3235
2948
        # after rollback, don't reuse _FileMover
3236
2949
        past_renames = None
3237
2950
        pending_deletions = None