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  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

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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,
34
 
    commit,
35
 
    conflicts,
 
27
    bzrdir,
36
28
    delta,
 
29
    errors,
37
30
    inventory,
38
31
    multiparent,
39
32
    osutils,
40
33
    revision as _mod_revision,
41
34
    ui,
42
 
    urlutils,
43
35
    )
44
 
from bzrlib.i18n import gettext
45
36
""")
46
 
from bzrlib.errors import (DuplicateKey, MalformedTransform,
 
37
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
47
38
                           ReusingTransform, CantMoveRoot,
48
39
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
49
40
                           UnableCreateSymlink)
50
41
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
 
42
from bzrlib.inventory import InventoryEntry
51
43
from bzrlib.osutils import (
52
44
    delete_any,
53
45
    file_kind,
54
46
    has_symlinks,
 
47
    lexists,
55
48
    pathjoin,
56
49
    sha_file,
57
50
    splitpath,
58
51
    supports_executable,
59
 
    )
 
52
)
60
53
from bzrlib.progress import ProgressPhase
61
54
from bzrlib.symbol_versioning import (
62
 
    deprecated_function,
63
 
    deprecated_in,
64
 
    deprecated_method,
65
 
    )
 
55
        deprecated_function,
 
56
        deprecated_in,
 
57
        )
 
58
from bzrlib.trace import mutter, warning
 
59
from bzrlib import tree
 
60
import bzrlib.ui
 
61
import bzrlib.urlutils as urlutils
66
62
 
67
63
 
68
64
ROOT_PARENT = "root-parent"
69
65
 
 
66
 
70
67
def unique_add(map, key, value):
71
68
    if key in map:
72
69
        raise DuplicateKey(key=key)
73
70
    map[key] = value
74
71
 
75
72
 
76
 
 
77
73
class _TransformResults(object):
78
74
    def __init__(self, modified_paths, rename_count):
79
75
        object.__init__(self)
103
99
        self._new_parent = {}
104
100
        # mapping of trans_id with new contents -> new file_kind
105
101
        self._new_contents = {}
106
 
        # mapping of trans_id => (sha1 of content, stat_value)
107
 
        self._observed_sha1s = {}
108
102
        # Set of trans_ids whose contents will be removed
109
103
        self._removed_contents = set()
110
104
        # Mapping of trans_id -> new execute-bit value
129
123
            self._new_root = self.trans_id_tree_file_id(root_id)
130
124
        else:
131
125
            self._new_root = None
132
 
        # Indicator of whether the transform has been applied
 
126
        # Indictor of whether the transform has been applied
133
127
        self._done = False
134
128
        # A progress bar
135
129
        self._pb = pb
138
132
        # A counter of how many files have been renamed
139
133
        self.rename_count = 0
140
134
 
141
 
    def __enter__(self):
142
 
        """Support Context Manager API."""
143
 
        return self
144
 
 
145
 
    def __exit__(self, exc_type, exc_val, exc_tb):
146
 
        """Support Context Manager API."""
147
 
        self.finalize()
148
 
 
149
135
    def finalize(self):
150
136
        """Release the working tree lock, if held.
151
137
 
226
212
        This means that the old root trans-id becomes obsolete, so it is
227
213
        recommended only to invoke this after the root trans-id has become
228
214
        irrelevant.
229
 
 
230
215
        """
231
216
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
232
217
                     ROOT_PARENT]
238
223
            self._new_root = new_roots[0]
239
224
            return
240
225
        old_new_root = new_roots[0]
 
226
        # TODO: What to do if a old_new_root is present, but self._new_root is
 
227
        #       not listed as being removed? This code explicitly unversions
 
228
        #       the old root and versions it with the new file_id. Though that
 
229
        #       seems like an incomplete delta
 
230
 
241
231
        # unversion the new root's directory.
242
 
        if self.final_kind(self._new_root) is None:
243
 
            file_id = self.final_file_id(old_new_root)
244
 
        else:
245
 
            file_id = self.final_file_id(self._new_root)
 
232
        file_id = self.final_file_id(old_new_root)
246
233
        if old_new_root in self._new_id:
247
234
            self.cancel_versioning(old_new_root)
248
235
        else:
252
239
        if (self.tree_file_id(self._new_root) is not None and
253
240
            self._new_root not in self._removed_id):
254
241
            self.unversion_file(self._new_root)
255
 
        if file_id is not None:
256
 
            self.version_file(file_id, self._new_root)
 
242
        self.version_file(file_id, self._new_root)
257
243
 
258
244
        # Now move children of new root into old root directory.
259
245
        # Ensure all children are registered with the transaction, but don't
328
314
 
329
315
    def delete_contents(self, trans_id):
330
316
        """Schedule the contents of a path entry for deletion"""
331
 
        kind = self.tree_kind(trans_id)
332
 
        if kind is not None:
333
 
            self._removed_contents.add(trans_id)
 
317
        # Ensure that the object exists in the WorkingTree, this will raise an
 
318
        # exception if there is a problem
 
319
        self.tree_kind(trans_id)
 
320
        self._removed_contents.add(trans_id)
334
321
 
335
322
    def cancel_deletion(self, trans_id):
336
323
        """Cancel a scheduled deletion"""
393
380
        return sorted(FinalPaths(self).get_paths(new_ids))
394
381
 
395
382
    def _inventory_altered(self):
396
 
        """Determine which trans_ids need new Inventory entries.
397
 
 
398
 
        An new entry is needed when anything that would be reflected by an
399
 
        inventory entry changes, including file name, file_id, parent file_id,
400
 
        file kind, and the execute bit.
401
 
 
402
 
        Some care is taken to return entries with real changes, not cases
403
 
        where the value is deleted and then restored to its original value,
404
 
        but some actually unchanged values may be returned.
405
 
 
406
 
        :returns: A list of (path, trans_id) for all items requiring an
407
 
            inventory change. Ordered by path.
408
 
        """
409
 
        changed_ids = set()
410
 
        # Find entries whose file_ids are new (or changed).
411
 
        new_file_id = set(t for t in self._new_id
412
 
                          if self._new_id[t] != self.tree_file_id(t))
413
 
        for id_set in [self._new_name, self._new_parent, new_file_id,
 
383
        """Get the trans_ids and paths of files needing new inv entries."""
 
384
        new_ids = set()
 
385
        for id_set in [self._new_name, self._new_parent, self._new_id,
414
386
                       self._new_executability]:
415
 
            changed_ids.update(id_set)
416
 
        # removing implies a kind change
 
387
            new_ids.update(id_set)
417
388
        changed_kind = set(self._removed_contents)
418
 
        # so does adding
419
389
        changed_kind.intersection_update(self._new_contents)
420
 
        # Ignore entries that are already known to have changed.
421
 
        changed_kind.difference_update(changed_ids)
422
 
        #  to keep only the truly changed ones
423
 
        changed_kind = (t for t in changed_kind
424
 
                        if self.tree_kind(t) != self.final_kind(t))
425
 
        # all kind changes will alter the inventory
426
 
        changed_ids.update(changed_kind)
427
 
        # To find entries with changed parent_ids, find parents which existed,
428
 
        # but changed file_id.
429
 
        changed_file_id = set(t for t in new_file_id if t in self._removed_id)
430
 
        # Now add all their children to the set.
431
 
        for parent_trans_id in new_file_id:
432
 
            changed_ids.update(self.iter_tree_children(parent_trans_id))
433
 
        return sorted(FinalPaths(self).get_paths(changed_ids))
 
390
        changed_kind.difference_update(new_ids)
 
391
        changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
 
392
                        self.final_kind(t))
 
393
        new_ids.update(changed_kind)
 
394
        return sorted(FinalPaths(self).get_paths(new_ids))
434
395
 
435
396
    def final_kind(self, trans_id):
436
397
        """Determine the final file kind, after any changes applied.
437
398
 
438
 
        :return: None if the file does not exist/has no contents.  (It is
439
 
            conceivable that a path would be created without the corresponding
440
 
            contents insertion command)
 
399
        Raises NoSuchFile if the file does not exist/has no contents.
 
400
        (It is conceivable that a path would be created without the
 
401
        corresponding contents insertion command)
441
402
        """
442
403
        if trans_id in self._new_contents:
443
404
            return self._new_contents[trans_id]
444
405
        elif trans_id in self._removed_contents:
445
 
            return None
 
406
            raise NoSuchFile(None)
446
407
        else:
447
408
            return self.tree_kind(trans_id)
448
409
 
561
522
        for trans_id in self._removed_id:
562
523
            file_id = self.tree_file_id(trans_id)
563
524
            if file_id is not None:
564
 
                if self._tree.stored_kind(file_id) == 'directory':
 
525
                if self._tree.inventory[file_id].kind == 'directory':
565
526
                    parents.append(trans_id)
566
527
            elif self.tree_kind(trans_id) == 'directory':
567
528
                parents.append(trans_id)
570
531
            # ensure that all children are registered with the transaction
571
532
            list(self.iter_tree_children(parent_id))
572
533
 
573
 
    @deprecated_method(deprecated_in((2, 3, 0)))
574
534
    def has_named_child(self, by_parent, parent_id, name):
575
 
        return self._has_named_child(
576
 
            name, parent_id, known_children=by_parent.get(parent_id, []))
577
 
 
578
 
    def _has_named_child(self, name, parent_id, known_children):
579
 
        """Does a parent already have a name child.
580
 
 
581
 
        :param name: The searched for name.
582
 
 
583
 
        :param parent_id: The parent for which the check is made.
584
 
 
585
 
        :param known_children: The already known children. This should have
586
 
            been recently obtained from `self.by_parent.get(parent_id)`
587
 
            (or will be if None is passed).
588
 
        """
589
 
        if known_children is None:
590
 
            known_children = self.by_parent().get(parent_id, [])
591
 
        for child in known_children:
 
535
        try:
 
536
            children = by_parent[parent_id]
 
537
        except KeyError:
 
538
            children = []
 
539
        for child in children:
592
540
            if self.final_name(child) == name:
593
541
                return True
594
 
        parent_path = self._tree_id_paths.get(parent_id, None)
595
 
        if parent_path is None:
596
 
            # No parent... no children
 
542
        try:
 
543
            path = self._tree_id_paths[parent_id]
 
544
        except KeyError:
597
545
            return False
598
 
        child_path = joinpath(parent_path, name)
599
 
        child_id = self._tree_path_ids.get(child_path, None)
 
546
        childpath = joinpath(path, name)
 
547
        child_id = self._tree_path_ids.get(childpath)
600
548
        if child_id is None:
601
 
            # Not known by the tree transform yet, check the filesystem
602
 
            return osutils.lexists(self._tree.abspath(child_path))
 
549
            return lexists(self._tree.abspath(childpath))
603
550
        else:
604
 
            raise AssertionError('child_id is missing: %s, %s, %s'
605
 
                                 % (name, parent_id, child_id))
606
 
 
607
 
    def _available_backup_name(self, name, target_id):
608
 
        """Find an available backup name.
609
 
 
610
 
        :param name: The basename of the file.
611
 
 
612
 
        :param target_id: The directory trans_id where the backup should 
613
 
            be placed.
614
 
        """
615
 
        known_children = self.by_parent().get(target_id, [])
616
 
        return osutils.available_backup_name(
617
 
            name,
618
 
            lambda base: self._has_named_child(
619
 
                base, target_id, known_children))
 
551
            if self.final_parent(child_id) != parent_id:
 
552
                return False
 
553
            if child_id in self._removed_contents:
 
554
                # XXX What about dangling file-ids?
 
555
                return False
 
556
            else:
 
557
                return True
620
558
 
621
559
    def _parent_loops(self):
622
560
        """No entry should be its own ancestor"""
657
595
        """
658
596
        conflicts = []
659
597
        for trans_id in self._new_id.iterkeys():
660
 
            kind = self.final_kind(trans_id)
661
 
            if kind is None:
 
598
            try:
 
599
                kind = self.final_kind(trans_id)
 
600
            except NoSuchFile:
662
601
                conflicts.append(('versioning no contents', trans_id))
663
602
                continue
664
 
            if not inventory.InventoryEntry.versionable_kind(kind):
 
603
            if not InventoryEntry.versionable_kind(kind):
665
604
                conflicts.append(('versioning bad kind', trans_id, kind))
666
605
        return conflicts
667
606
 
678
617
            if self.final_file_id(trans_id) is None:
679
618
                conflicts.append(('unversioned executability', trans_id))
680
619
            else:
681
 
                if self.final_kind(trans_id) != "file":
 
620
                try:
 
621
                    non_file = self.final_kind(trans_id) != "file"
 
622
                except NoSuchFile:
 
623
                    non_file = True
 
624
                if non_file is True:
682
625
                    conflicts.append(('non-file executability', trans_id))
683
626
        return conflicts
684
627
 
686
629
        """Check for overwrites (not permitted on Win32)"""
687
630
        conflicts = []
688
631
        for trans_id in self._new_contents:
689
 
            if self.tree_kind(trans_id) is None:
 
632
            try:
 
633
                self.tree_kind(trans_id)
 
634
            except NoSuchFile:
690
635
                continue
691
636
            if trans_id not in self._removed_contents:
692
637
                conflicts.append(('overwrite', trans_id,
699
644
        if (self._new_name, self._new_parent) == ({}, {}):
700
645
            return conflicts
701
646
        for children in by_parent.itervalues():
702
 
            name_ids = []
703
 
            for child_tid in children:
704
 
                name = self.final_name(child_tid)
705
 
                if name is not None:
706
 
                    # Keep children only if they still exist in the end
707
 
                    if not self._case_sensitive_target:
708
 
                        name = name.lower()
709
 
                    name_ids.append((name, child_tid))
 
647
            name_ids = [(self.final_name(t), t) for t in children]
 
648
            if not self._case_sensitive_target:
 
649
                name_ids = [(n.lower(), t) for n, t in name_ids]
710
650
            name_ids.sort()
711
651
            last_name = None
712
652
            last_trans_id = None
713
653
            for name, trans_id in name_ids:
714
 
                kind = self.final_kind(trans_id)
 
654
                try:
 
655
                    kind = self.final_kind(trans_id)
 
656
                except NoSuchFile:
 
657
                    kind = None
715
658
                file_id = self.final_file_id(trans_id)
716
659
                if kind is None and file_id is None:
717
660
                    continue
736
679
        return conflicts
737
680
 
738
681
    def _parent_type_conflicts(self, by_parent):
739
 
        """Children must have a directory parent"""
 
682
        """parents must have directory 'contents'."""
740
683
        conflicts = []
741
684
        for parent_id, children in by_parent.iteritems():
742
685
            if parent_id is ROOT_PARENT:
743
686
                continue
744
 
            no_children = True
745
 
            for child_id in children:
746
 
                if self.final_kind(child_id) is not None:
747
 
                    no_children = False
748
 
                    break
749
 
            if no_children:
 
687
            if not self._any_contents(children):
750
688
                continue
751
 
            # There is at least a child, so we need an existing directory to
752
 
            # contain it.
753
 
            kind = self.final_kind(parent_id)
 
689
            for child in children:
 
690
                try:
 
691
                    self.final_kind(child)
 
692
                except NoSuchFile:
 
693
                    continue
 
694
            try:
 
695
                kind = self.final_kind(parent_id)
 
696
            except NoSuchFile:
 
697
                kind = None
754
698
            if kind is None:
755
 
                # The directory will be deleted
756
699
                conflicts.append(('missing parent', parent_id))
757
700
            elif kind != "directory":
758
 
                # Meh, we need a *directory* to put something in it
759
701
                conflicts.append(('non-directory parent', parent_id))
760
702
        return conflicts
761
703
 
 
704
    def _any_contents(self, trans_ids):
 
705
        """Return true if any of the trans_ids, will have contents."""
 
706
        for trans_id in trans_ids:
 
707
            try:
 
708
                kind = self.final_kind(trans_id)
 
709
            except NoSuchFile:
 
710
                continue
 
711
            return True
 
712
        return False
 
713
 
762
714
    def _set_executability(self, path, trans_id):
763
715
        """Set the executability of versioned files """
764
716
        if supports_executable():
786
738
        return trans_id
787
739
 
788
740
    def new_file(self, name, parent_id, contents, file_id=None,
789
 
                 executable=None, sha1=None):
 
741
                 executable=None):
790
742
        """Convenience method to create files.
791
743
 
792
744
        name is the name of the file to create.
799
751
        trans_id = self._new_entry(name, parent_id, file_id)
800
752
        # TODO: rather than scheduling a set_executable call,
801
753
        # have create_file create the file with the right mode.
802
 
        self.create_file(contents, trans_id, sha1=sha1)
 
754
        self.create_file(contents, trans_id)
803
755
        if executable is not None:
804
756
            self.set_executability(executable, trans_id)
805
757
        return trans_id
828
780
        self.create_symlink(target, trans_id)
829
781
        return trans_id
830
782
 
831
 
    def new_orphan(self, trans_id, parent_id):
832
 
        """Schedule an item to be orphaned.
833
 
 
834
 
        When a directory is about to be removed, its children, if they are not
835
 
        versioned are moved out of the way: they don't have a parent anymore.
836
 
 
837
 
        :param trans_id: The trans_id of the existing item.
838
 
        :param parent_id: The parent trans_id of the item.
839
 
        """
840
 
        raise NotImplementedError(self.new_orphan)
841
 
 
842
 
    def _get_potential_orphans(self, dir_id):
843
 
        """Find the potential orphans in a directory.
844
 
 
845
 
        A directory can't be safely deleted if there are versioned files in it.
846
 
        If all the contained files are unversioned then they can be orphaned.
847
 
 
848
 
        The 'None' return value means that the directory contains at least one
849
 
        versioned file and should not be deleted.
850
 
 
851
 
        :param dir_id: The directory trans id.
852
 
 
853
 
        :return: A list of the orphan trans ids or None if at least one
854
 
             versioned file is present.
855
 
        """
856
 
        orphans = []
857
 
        # Find the potential orphans, stop if one item should be kept
858
 
        for child_tid in self.by_parent()[dir_id]:
859
 
            if child_tid in self._removed_contents:
860
 
                # The child is removed as part of the transform. Since it was
861
 
                # versioned before, it's not an orphan
862
 
                continue
863
 
            elif self.final_file_id(child_tid) is None:
864
 
                # The child is not versioned
865
 
                orphans.append(child_tid)
866
 
            else:
867
 
                # We have a versioned file here, searching for orphans is
868
 
                # meaningless.
869
 
                orphans = None
870
 
                break
871
 
        return orphans
872
 
 
873
783
    def _affected_ids(self):
874
784
        """Return the set of transform ids affected by the transform"""
875
785
        trans_ids = set(self._removed_id)
934
844
        Return a (name, parent, kind, executable) tuple
935
845
        """
936
846
        to_name = self.final_name(to_trans_id)
937
 
        to_kind = self.final_kind(to_trans_id)
 
847
        try:
 
848
            to_kind = self.final_kind(to_trans_id)
 
849
        except NoSuchFile:
 
850
            to_kind = None
938
851
        to_parent = self.final_file_id(self.final_parent(to_trans_id))
939
852
        if to_trans_id in self._new_executability:
940
853
            to_executable = self._new_executability[to_trans_id]
1014
927
        """
1015
928
        return _PreviewTree(self)
1016
929
 
1017
 
    def commit(self, branch, message, merge_parents=None, strict=False,
1018
 
               timestamp=None, timezone=None, committer=None, authors=None,
1019
 
               revprops=None, revision_id=None):
 
930
    def commit(self, branch, message, merge_parents=None, strict=False):
1020
931
        """Commit the result of this TreeTransform to a branch.
1021
932
 
1022
933
        :param branch: The branch to commit to.
1023
934
        :param message: The message to attach to the commit.
1024
 
        :param merge_parents: Additional parent revision-ids specified by
1025
 
            pending merges.
1026
 
        :param strict: If True, abort the commit if there are unversioned
1027
 
            files.
1028
 
        :param timestamp: if not None, seconds-since-epoch for the time and
1029
 
            date.  (May be a float.)
1030
 
        :param timezone: Optional timezone for timestamp, as an offset in
1031
 
            seconds.
1032
 
        :param committer: Optional committer in email-id format.
1033
 
            (e.g. "J Random Hacker <jrandom@example.com>")
1034
 
        :param authors: Optional list of authors in email-id format.
1035
 
        :param revprops: Optional dictionary of revision properties.
1036
 
        :param revision_id: Optional revision id.  (Specifying a revision-id
1037
 
            may reduce performance for some non-native formats.)
 
935
        :param merge_parents: Additional parents specified by pending merges.
1038
936
        :return: The revision_id of the revision committed.
1039
937
        """
1040
938
        self._check_malformed()
1057
955
        if self._tree.get_revision_id() != last_rev_id:
1058
956
            raise ValueError('TreeTransform not based on branch basis: %s' %
1059
957
                             self._tree.get_revision_id())
1060
 
        revprops = commit.Commit.update_revprops(revprops, branch, authors)
1061
 
        builder = branch.get_commit_builder(parent_ids,
1062
 
                                            timestamp=timestamp,
1063
 
                                            timezone=timezone,
1064
 
                                            committer=committer,
1065
 
                                            revprops=revprops,
1066
 
                                            revision_id=revision_id)
 
958
        builder = branch.get_commit_builder(parent_ids)
1067
959
        preview = self.get_preview_tree()
1068
960
        list(builder.record_iter_changes(preview, last_rev_id,
1069
961
                                         self.iter_changes()))
1187
1079
        self._deletiondir = None
1188
1080
        # A mapping of transform ids to their limbo filename
1189
1081
        self._limbo_files = {}
1190
 
        self._possibly_stale_limbo_files = set()
1191
1082
        # A mapping of transform ids to a set of the transform ids of children
1192
1083
        # that their limbo directory has
1193
1084
        self._limbo_children = {}
1206
1097
        if self._tree is None:
1207
1098
            return
1208
1099
        try:
1209
 
            limbo_paths = self._limbo_files.values() + list(
1210
 
                self._possibly_stale_limbo_files)
1211
 
            limbo_paths = sorted(limbo_paths, reverse=True)
1212
 
            for path in limbo_paths:
1213
 
                try:
1214
 
                    delete_any(path)
1215
 
                except OSError, e:
1216
 
                    if e.errno != errno.ENOENT:
1217
 
                        raise
1218
 
                    # XXX: warn? perhaps we just got interrupted at an
1219
 
                    # inconvenient moment, but perhaps files are disappearing
1220
 
                    # from under us?
 
1100
            entries = [(self._limbo_name(t), t, k) for t, k in
 
1101
                       self._new_contents.iteritems()]
 
1102
            entries.sort(reverse=True)
 
1103
            for path, trans_id, kind in entries:
 
1104
                delete_any(path)
1221
1105
            try:
1222
1106
                delete_any(self._limbodir)
1223
1107
            except OSError:
1272
1156
        entries from _limbo_files, because they are now stale.
1273
1157
        """
1274
1158
        for trans_id in trans_ids:
1275
 
            old_path = self._limbo_files[trans_id]
1276
 
            self._possibly_stale_limbo_files.add(old_path)
1277
 
            del self._limbo_files[trans_id]
 
1159
            old_path = self._limbo_files.pop(trans_id)
1278
1160
            if trans_id not in self._new_contents:
1279
1161
                continue
1280
1162
            new_path = self._limbo_name(trans_id)
1281
 
            os.rename(old_path, new_path)
1282
 
            self._possibly_stale_limbo_files.remove(old_path)
 
1163
            osutils.rename(old_path, new_path)
1283
1164
            for descendant in self._limbo_descendants(trans_id):
1284
1165
                desc_path = self._limbo_files[descendant]
1285
1166
                desc_path = new_path + desc_path[len(old_path):]
1292
1173
            descendants.update(self._limbo_descendants(descendant))
1293
1174
        return descendants
1294
1175
 
1295
 
    def create_file(self, contents, trans_id, mode_id=None, sha1=None):
 
1176
    def create_file(self, contents, trans_id, mode_id=None):
1296
1177
        """Schedule creation of a new file.
1297
1178
 
1298
 
        :seealso: new_file.
1299
 
 
1300
 
        :param contents: an iterator of strings, all of which will be written
1301
 
            to the target destination.
1302
 
        :param trans_id: TreeTransform handle
1303
 
        :param mode_id: If not None, force the mode of the target file to match
1304
 
            the mode of the object referenced by mode_id.
1305
 
            Otherwise, we will try to preserve mode bits of an existing file.
1306
 
        :param sha1: If the sha1 of this content is already known, pass it in.
1307
 
            We can use it to prevent future sha1 computations.
 
1179
        See also new_file.
 
1180
 
 
1181
        Contents is an iterator of strings, all of which will be written
 
1182
        to the target destination.
 
1183
 
 
1184
        New file takes the permissions of any existing file with that id,
 
1185
        unless mode_id is specified.
1308
1186
        """
1309
1187
        name = self._limbo_name(trans_id)
1310
1188
        f = open(name, 'wb')
1311
1189
        try:
1312
 
            unique_add(self._new_contents, trans_id, 'file')
 
1190
            try:
 
1191
                unique_add(self._new_contents, trans_id, 'file')
 
1192
            except:
 
1193
                # Clean up the file, it never got registered so
 
1194
                # TreeTransform.finalize() won't clean it up.
 
1195
                f.close()
 
1196
                os.unlink(name)
 
1197
                raise
 
1198
 
1313
1199
            f.writelines(contents)
1314
1200
        finally:
1315
1201
            f.close()
1316
1202
        self._set_mtime(name)
1317
1203
        self._set_mode(trans_id, mode_id, S_ISREG)
1318
 
        # It is unfortunate we have to use lstat instead of fstat, but we just
1319
 
        # used utime and chmod on the file, so we need the accurate final
1320
 
        # details.
1321
 
        if sha1 is not None:
1322
 
            self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1323
1204
 
1324
1205
    def _read_file_chunks(self, trans_id):
1325
1206
        cur_file = open(self._limbo_name(trans_id), 'rb')
1384
1265
    def cancel_creation(self, trans_id):
1385
1266
        """Cancel the creation of new file contents."""
1386
1267
        del self._new_contents[trans_id]
1387
 
        if trans_id in self._observed_sha1s:
1388
 
            del self._observed_sha1s[trans_id]
1389
1268
        children = self._limbo_children.get(trans_id)
1390
1269
        # if this is a limbo directory with children, move them before removing
1391
1270
        # the directory
1395
1274
            del self._limbo_children_names[trans_id]
1396
1275
        delete_any(self._limbo_name(trans_id))
1397
1276
 
1398
 
    def new_orphan(self, trans_id, parent_id):
1399
 
        # FIXME: There is no tree config, so we use the branch one (it's weird
1400
 
        # to define it this way as orphaning can only occur in a working tree,
1401
 
        # but that's all we have (for now). It will find the option in
1402
 
        # locations.conf or bazaar.conf though) -- vila 20100916
1403
 
        conf = self._tree.branch.get_config()
1404
 
        conf_var_name = 'bzr.transform.orphan_policy'
1405
 
        orphan_policy = conf.get_user_option(conf_var_name)
1406
 
        default_policy = orphaning_registry.default_key
1407
 
        if orphan_policy is None:
1408
 
            orphan_policy = default_policy
1409
 
        if orphan_policy not in orphaning_registry:
1410
 
            trace.warning('%s (from %s) is not a known policy, defaulting '
1411
 
                'to %s' % (orphan_policy, conf_var_name, default_policy))
1412
 
            orphan_policy = default_policy
1413
 
        handle_orphan = orphaning_registry.get(orphan_policy)
1414
 
        handle_orphan(self, trans_id, parent_id)
1415
 
 
1416
 
 
1417
 
class OrphaningError(errors.BzrError):
1418
 
 
1419
 
    # Only bugs could lead to such exception being seen by the user
1420
 
    internal_error = True
1421
 
    _fmt = "Error while orphaning %s in %s directory"
1422
 
 
1423
 
    def __init__(self, orphan, parent):
1424
 
        errors.BzrError.__init__(self)
1425
 
        self.orphan = orphan
1426
 
        self.parent = parent
1427
 
 
1428
 
 
1429
 
class OrphaningForbidden(OrphaningError):
1430
 
 
1431
 
    _fmt = "Policy: %s doesn't allow creating orphans."
1432
 
 
1433
 
    def __init__(self, policy):
1434
 
        errors.BzrError.__init__(self)
1435
 
        self.policy = policy
1436
 
 
1437
 
 
1438
 
def move_orphan(tt, orphan_id, parent_id):
1439
 
    """See TreeTransformBase.new_orphan.
1440
 
 
1441
 
    This creates a new orphan in the `bzr-orphans` dir at the root of the
1442
 
    `TreeTransform`.
1443
 
 
1444
 
    :param tt: The TreeTransform orphaning `trans_id`.
1445
 
 
1446
 
    :param orphan_id: The trans id that should be orphaned.
1447
 
 
1448
 
    :param parent_id: The orphan parent trans id.
1449
 
    """
1450
 
    # Add the orphan dir if it doesn't exist
1451
 
    orphan_dir_basename = 'bzr-orphans'
1452
 
    od_id = tt.trans_id_tree_path(orphan_dir_basename)
1453
 
    if tt.final_kind(od_id) is None:
1454
 
        tt.create_directory(od_id)
1455
 
    parent_path = tt._tree_id_paths[parent_id]
1456
 
    # Find a name that doesn't exist yet in the orphan dir
1457
 
    actual_name = tt.final_name(orphan_id)
1458
 
    new_name = tt._available_backup_name(actual_name, od_id)
1459
 
    tt.adjust_path(new_name, od_id, orphan_id)
1460
 
    trace.warning('%s has been orphaned in %s'
1461
 
                  % (joinpath(parent_path, actual_name), orphan_dir_basename))
1462
 
 
1463
 
 
1464
 
def refuse_orphan(tt, orphan_id, parent_id):
1465
 
    """See TreeTransformBase.new_orphan.
1466
 
 
1467
 
    This refuses to create orphan, letting the caller handle the conflict.
1468
 
    """
1469
 
    raise OrphaningForbidden('never')
1470
 
 
1471
 
 
1472
 
orphaning_registry = registry.Registry()
1473
 
orphaning_registry.register(
1474
 
    'conflict', refuse_orphan,
1475
 
    'Leave orphans in place and create a conflict on the directory.')
1476
 
orphaning_registry.register(
1477
 
    'move', move_orphan,
1478
 
    'Move orphans into the bzr-orphans directory.')
1479
 
orphaning_registry._set_default_key('conflict')
1480
 
 
1481
1277
 
1482
1278
class TreeTransform(DiskTreeTransform):
1483
1279
    """Represent a tree transformation.
1601
1397
    def tree_kind(self, trans_id):
1602
1398
        """Determine the file kind in the working tree.
1603
1399
 
1604
 
        :returns: The file kind or None if the file does not exist
 
1400
        Raises NoSuchFile if the file does not exist
1605
1401
        """
1606
1402
        path = self._tree_id_paths.get(trans_id)
1607
1403
        if path is None:
1608
 
            return None
 
1404
            raise NoSuchFile(None)
1609
1405
        try:
1610
1406
            return file_kind(self._tree.abspath(path))
1611
 
        except errors.NoSuchFile:
1612
 
            return None
 
1407
        except OSError, e:
 
1408
            if e.errno != errno.ENOENT:
 
1409
                raise
 
1410
            else:
 
1411
                raise NoSuchFile(path)
1613
1412
 
1614
1413
    def _set_mode(self, trans_id, mode_id, typefunc):
1615
1414
        """Set the mode of new file contents.
1721
1520
        """
1722
1521
        if not no_conflicts:
1723
1522
            self._check_malformed()
1724
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1523
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1725
1524
        try:
1726
1525
            if precomputed_delta is None:
1727
 
                child_pb.update(gettext('Apply phase'), 0, 2)
 
1526
                child_pb.update('Apply phase', 0, 2)
1728
1527
                inventory_delta = self._generate_inventory_delta()
1729
1528
                offset = 1
1730
1529
            else:
1735
1534
            else:
1736
1535
                mover = _mover
1737
1536
            try:
1738
 
                child_pb.update(gettext('Apply phase'), 0 + offset, 2 + offset)
 
1537
                child_pb.update('Apply phase', 0 + offset, 2 + offset)
1739
1538
                self._apply_removals(mover)
1740
 
                child_pb.update(gettext('Apply phase'), 1 + offset, 2 + offset)
 
1539
                child_pb.update('Apply phase', 1 + offset, 2 + offset)
1741
1540
                modified_paths = self._apply_insertions(mover)
1742
1541
            except:
1743
1542
                mover.rollback()
1746
1545
                mover.apply_deletions()
1747
1546
        finally:
1748
1547
            child_pb.finished()
1749
 
        if self.final_file_id(self.root) is None:
1750
 
            inventory_delta = [e for e in inventory_delta if e[0] != '']
1751
1548
        self._tree.apply_inventory_delta(inventory_delta)
1752
 
        self._apply_observed_sha1s()
1753
1549
        self._done = True
1754
1550
        self.finalize()
1755
1551
        return _TransformResults(modified_paths, self.rename_count)
1757
1553
    def _generate_inventory_delta(self):
1758
1554
        """Generate an inventory delta for the current transform."""
1759
1555
        inventory_delta = []
1760
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1556
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1761
1557
        new_paths = self._inventory_altered()
1762
1558
        total_entries = len(new_paths) + len(self._removed_id)
1763
1559
        try:
1764
1560
            for num, trans_id in enumerate(self._removed_id):
1765
1561
                if (num % 10) == 0:
1766
 
                    child_pb.update(gettext('removing file'), num, total_entries)
 
1562
                    child_pb.update('removing file', num, total_entries)
1767
1563
                if trans_id == self._new_root:
1768
1564
                    file_id = self._tree.get_root_id()
1769
1565
                else:
1781
1577
            final_kinds = {}
1782
1578
            for num, (path, trans_id) in enumerate(new_paths):
1783
1579
                if (num % 10) == 0:
1784
 
                    child_pb.update(gettext('adding file'),
 
1580
                    child_pb.update('adding file',
1785
1581
                                    num + len(self._removed_id), total_entries)
1786
1582
                file_id = new_path_file_ids[trans_id]
1787
1583
                if file_id is None:
1788
1584
                    continue
1789
1585
                needs_entry = False
1790
 
                kind = self.final_kind(trans_id)
1791
 
                if kind is None:
 
1586
                try:
 
1587
                    kind = self.final_kind(trans_id)
 
1588
                except NoSuchFile:
1792
1589
                    kind = self._tree.stored_kind(file_id)
1793
1590
                parent_trans_id = self.final_parent(trans_id)
1794
1591
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1825
1622
        """
1826
1623
        tree_paths = list(self._tree_path_ids.iteritems())
1827
1624
        tree_paths.sort(reverse=True)
1828
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1625
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1829
1626
        try:
1830
 
            for num, (path, trans_id) in enumerate(tree_paths):
1831
 
                # do not attempt to move root into a subdirectory of itself.
1832
 
                if path == '':
1833
 
                    continue
1834
 
                child_pb.update(gettext('removing file'), num, len(tree_paths))
 
1627
            for num, data in enumerate(tree_paths):
 
1628
                path, trans_id = data
 
1629
                child_pb.update('removing file', num, len(tree_paths))
1835
1630
                full_path = self._tree.abspath(path)
1836
1631
                if trans_id in self._removed_contents:
1837
1632
                    delete_path = os.path.join(self._deletiondir, trans_id)
1840
1635
                      or trans_id in self._new_parent):
1841
1636
                    try:
1842
1637
                        mover.rename(full_path, self._limbo_name(trans_id))
1843
 
                    except errors.TransformRenameFailed, e:
 
1638
                    except OSError, e:
1844
1639
                        if e.errno != errno.ENOENT:
1845
1640
                            raise
1846
1641
                    else:
1862
1657
        modified_paths = []
1863
1658
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1864
1659
                                 new_paths)
1865
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1660
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1866
1661
        try:
1867
1662
            for num, (path, trans_id) in enumerate(new_paths):
1868
1663
                if (num % 10) == 0:
1869
 
                    child_pb.update(gettext('adding file'), num, len(new_paths))
 
1664
                    child_pb.update('adding file', num, len(new_paths))
1870
1665
                full_path = self._tree.abspath(path)
1871
1666
                if trans_id in self._needs_rename:
1872
1667
                    try:
1873
1668
                        mover.rename(self._limbo_name(trans_id), full_path)
1874
 
                    except errors.TransformRenameFailed, e:
 
1669
                    except OSError, e:
1875
1670
                        # We may be renaming a dangling inventory id
1876
1671
                        if e.errno != errno.ENOENT:
1877
1672
                            raise
1878
1673
                    else:
1879
1674
                        self.rename_count += 1
1880
 
                    # TODO: if trans_id in self._observed_sha1s, we should
1881
 
                    #       re-stat the final target, since ctime will be
1882
 
                    #       updated by the change.
1883
1675
                if (trans_id in self._new_contents or
1884
1676
                    self.path_changed(trans_id)):
1885
1677
                    if trans_id in self._new_contents:
1886
1678
                        modified_paths.append(full_path)
1887
1679
                if trans_id in self._new_executability:
1888
1680
                    self._set_executability(path, trans_id)
1889
 
                if trans_id in self._observed_sha1s:
1890
 
                    o_sha1, o_st_val = self._observed_sha1s[trans_id]
1891
 
                    st = osutils.lstat(full_path)
1892
 
                    self._observed_sha1s[trans_id] = (o_sha1, st)
1893
1681
        finally:
1894
1682
            child_pb.finished()
1895
 
        for path, trans_id in new_paths:
1896
 
            # new_paths includes stuff like workingtree conflicts. Only the
1897
 
            # stuff in new_contents actually comes from limbo.
1898
 
            if trans_id in self._limbo_files:
1899
 
                del self._limbo_files[trans_id]
1900
1683
        self._new_contents.clear()
1901
1684
        return modified_paths
1902
1685
 
1903
 
    def _apply_observed_sha1s(self):
1904
 
        """After we have finished renaming everything, update observed sha1s
1905
 
 
1906
 
        This has to be done after self._tree.apply_inventory_delta, otherwise
1907
 
        it doesn't know anything about the files we are updating. Also, we want
1908
 
        to do this as late as possible, so that most entries end up cached.
1909
 
        """
1910
 
        # TODO: this doesn't update the stat information for directories. So
1911
 
        #       the first 'bzr status' will still need to rewrite
1912
 
        #       .bzr/checkout/dirstate. However, we at least don't need to
1913
 
        #       re-read all of the files.
1914
 
        # TODO: If the operation took a while, we could do a time.sleep(3) here
1915
 
        #       to allow the clock to tick over and ensure we won't have any
1916
 
        #       problems. (we could observe start time, and finish time, and if
1917
 
        #       it is less than eg 10% overhead, add a sleep call.)
1918
 
        paths = FinalPaths(self)
1919
 
        for trans_id, observed in self._observed_sha1s.iteritems():
1920
 
            path = paths.get_path(trans_id)
1921
 
            # We could get the file_id, but dirstate prefers to use the path
1922
 
            # anyway, and it is 'cheaper' to determine.
1923
 
            # file_id = self._new_id[trans_id]
1924
 
            self._tree._observed_sha1(None, path, observed)
1925
 
 
1926
1686
 
1927
1687
class TransformPreview(DiskTreeTransform):
1928
1688
    """A TreeTransform for generating preview trees.
1943
1703
    def tree_kind(self, trans_id):
1944
1704
        path = self._tree_id_paths.get(trans_id)
1945
1705
        if path is None:
1946
 
            return None
1947
 
        kind = self._tree.path_content_summary(path)[0]
1948
 
        if kind == 'missing':
1949
 
            kind = None
1950
 
        return kind
 
1706
            raise NoSuchFile(None)
 
1707
        file_id = self._tree.path2id(path)
 
1708
        return self._tree.kind(file_id)
1951
1709
 
1952
1710
    def _set_mode(self, trans_id, mode_id, typefunc):
1953
1711
        """Set the mode of new file contents.
1973
1731
            childpath = joinpath(path, child)
1974
1732
            yield self.trans_id_tree_path(childpath)
1975
1733
 
1976
 
    def new_orphan(self, trans_id, parent_id):
1977
 
        raise NotImplementedError(self.new_orphan)
1978
 
 
1979
 
 
1980
 
class _PreviewTree(tree.InventoryTree):
 
1734
 
 
1735
class _PreviewTree(tree.Tree):
1981
1736
    """Partial implementation of Tree to support show_diff_trees"""
1982
1737
 
1983
1738
    def __init__(self, transform):
2012
1767
                yield self._get_repository().revision_tree(revision_id)
2013
1768
 
2014
1769
    def _get_file_revision(self, file_id, vf, tree_revision):
2015
 
        parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
 
1770
        parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2016
1771
                       self._iter_parent_trees()]
2017
1772
        vf.add_lines((file_id, tree_revision), parent_keys,
2018
 
                     self.get_file_lines(file_id))
 
1773
                     self.get_file(file_id).readlines())
2019
1774
        repo = self._get_repository()
2020
1775
        base_vf = repo.texts
2021
1776
        if base_vf not in vf.fallback_versionedfiles:
2022
1777
            vf.fallback_versionedfiles.append(base_vf)
2023
1778
        return tree_revision
2024
1779
 
2025
 
    def _stat_limbo_file(self, file_id=None, trans_id=None):
2026
 
        if trans_id is None:
2027
 
            trans_id = self._transform.trans_id_file_id(file_id)
 
1780
    def _stat_limbo_file(self, file_id):
 
1781
        trans_id = self._transform.trans_id_file_id(file_id)
2028
1782
        name = self._transform._limbo_name(trans_id)
2029
1783
        return os.lstat(name)
2030
1784
 
2044
1798
            executable = self.is_executable(file_id, path)
2045
1799
        return kind, executable, None
2046
1800
 
2047
 
    def is_locked(self):
2048
 
        return False
2049
 
 
2050
1801
    def lock_read(self):
2051
1802
        # Perhaps in theory, this should lock the TreeTransform?
2052
 
        return self
 
1803
        pass
2053
1804
 
2054
1805
    def unlock(self):
2055
1806
        pass
2153
1904
            if (specific_file_ids is not None
2154
1905
                and file_id not in specific_file_ids):
2155
1906
                continue
2156
 
            kind = self._transform.final_kind(trans_id)
2157
 
            if kind is None:
 
1907
            try:
 
1908
                kind = self._transform.final_kind(trans_id)
 
1909
            except NoSuchFile:
2158
1910
                kind = self._transform._tree.stored_kind(file_id)
2159
1911
            new_entry = inventory.make_entry(
2160
1912
                kind,
2245
1997
 
2246
1998
    def get_file_size(self, file_id):
2247
1999
        """See Tree.get_file_size"""
2248
 
        trans_id = self._transform.trans_id_file_id(file_id)
2249
 
        kind = self._transform.final_kind(trans_id)
2250
 
        if kind != 'file':
2251
 
            return None
2252
 
        if trans_id in self._transform._new_contents:
2253
 
            return self._stat_limbo_file(trans_id=trans_id).st_size
2254
2000
        if self.kind(file_id) == 'file':
2255
2001
            return self._transform._tree.get_file_size(file_id)
2256
2002
        else:
2257
2003
            return None
2258
2004
 
2259
 
    def get_file_verifier(self, file_id, path=None, stat_value=None):
2260
 
        trans_id = self._transform.trans_id_file_id(file_id)
2261
 
        kind = self._transform._new_contents.get(trans_id)
2262
 
        if kind is None:
2263
 
            return self._transform._tree.get_file_verifier(file_id)
2264
 
        if kind == 'file':
2265
 
            fileobj = self.get_file(file_id)
2266
 
            try:
2267
 
                return ("SHA1", sha_file(fileobj))
2268
 
            finally:
2269
 
                fileobj.close()
2270
 
 
2271
2005
    def get_file_sha1(self, file_id, path=None, stat_value=None):
2272
2006
        trans_id = self._transform.trans_id_file_id(file_id)
2273
2007
        kind = self._transform._new_contents.get(trans_id)
2296
2030
            except errors.NoSuchId:
2297
2031
                return False
2298
2032
 
2299
 
    def has_filename(self, path):
2300
 
        trans_id = self._path2trans_id(path)
2301
 
        if trans_id in self._transform._new_contents:
2302
 
            return True
2303
 
        elif trans_id in self._transform._removed_contents:
2304
 
            return False
2305
 
        else:
2306
 
            return self._transform._tree.has_filename(path)
2307
 
 
2308
2033
    def path_content_summary(self, path):
2309
2034
        trans_id = self._path2trans_id(path)
2310
2035
        tt = self._transform
2398
2123
                                   self.get_file(file_id).readlines(),
2399
2124
                                   default_revision)
2400
2125
 
2401
 
    def get_symlink_target(self, file_id, path=None):
 
2126
    def get_symlink_target(self, file_id):
2402
2127
        """See Tree.get_symlink_target"""
2403
2128
        if not self._content_change(file_id):
2404
2129
            return self._transform._tree.get_symlink_target(file_id)
2419
2144
                path_from_root = self._final_paths.get_path(child_id)
2420
2145
                basename = self._transform.final_name(child_id)
2421
2146
                file_id = self._transform.final_file_id(child_id)
2422
 
                kind  = self._transform.final_kind(child_id)
2423
 
                if kind is not None:
 
2147
                try:
 
2148
                    kind = self._transform.final_kind(child_id)
2424
2149
                    versioned_kind = kind
2425
 
                else:
 
2150
                except NoSuchFile:
2426
2151
                    kind = 'unknown'
2427
2152
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2428
2153
                if versioned_kind == 'directory':
2541
2266
    for num, _unused in enumerate(wt.all_file_ids()):
2542
2267
        if num > 0:  # more than just a root
2543
2268
            raise errors.WorkingTreeAlreadyPopulated(base=wt.basedir)
 
2269
    existing_files = set()
 
2270
    for dir, files in wt.walkdirs():
 
2271
        existing_files.update(f[0] for f in files)
2544
2272
    file_trans_id = {}
2545
 
    top_pb = ui.ui_factory.nested_progress_bar()
 
2273
    top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2546
2274
    pp = ProgressPhase("Build phase", 2, top_pb)
2547
 
    if tree.get_root_id() is not None:
 
2275
    if tree.inventory.root is not None:
2548
2276
        # This is kind of a hack: we should be altering the root
2549
2277
        # as part of the regular tree shape diff logic.
2550
2278
        # The conditional test here is to avoid doing an
2561
2289
        pp.next_phase()
2562
2290
        file_trans_id[wt.get_root_id()] = \
2563
2291
            tt.trans_id_tree_file_id(wt.get_root_id())
2564
 
        pb = ui.ui_factory.nested_progress_bar()
 
2292
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
2565
2293
        try:
2566
2294
            deferred_contents = []
2567
2295
            num = 0
2568
 
            total = len(tree.all_file_ids())
 
2296
            total = len(tree.inventory)
2569
2297
            if delta_from_tree:
2570
2298
                precomputed_delta = []
2571
2299
            else:
2572
2300
                precomputed_delta = None
2573
 
            # Check if tree inventory has content. If so, we populate
2574
 
            # existing_files with the directory content. If there are no
2575
 
            # entries we skip populating existing_files as its not used.
2576
 
            # This improves performance and unncessary work on large
2577
 
            # directory trees. (#501307)
2578
 
            if total > 0:
2579
 
                existing_files = set()
2580
 
                for dir, files in wt.walkdirs():
2581
 
                    existing_files.update(f[0] for f in files)
2582
2301
            for num, (tree_path, entry) in \
2583
 
                enumerate(tree.iter_entries_by_dir()):
2584
 
                pb.update(gettext("Building tree"), num - len(deferred_contents), total)
 
2302
                enumerate(tree.inventory.iter_entries_by_dir()):
 
2303
                pb.update("Building tree", num - len(deferred_contents), total)
2585
2304
                if entry.parent_id is None:
2586
2305
                    continue
2587
2306
                reparent = False
2593
2312
                    kind = file_kind(target_path)
2594
2313
                    if kind == "directory":
2595
2314
                        try:
2596
 
                            controldir.ControlDir.open(target_path)
 
2315
                            bzrdir.BzrDir.open(target_path)
2597
2316
                        except errors.NotBranchError:
2598
2317
                            pass
2599
2318
                        else:
2614
2333
                    executable = tree.is_executable(file_id, tree_path)
2615
2334
                    if executable:
2616
2335
                        tt.set_executability(executable, trans_id)
2617
 
                    trans_data = (trans_id, tree_path, entry.text_sha1)
 
2336
                    trans_data = (trans_id, tree_path)
2618
2337
                    deferred_contents.append((file_id, trans_data))
2619
2338
                else:
2620
2339
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2636
2355
            precomputed_delta = None
2637
2356
        conflicts = cook_conflicts(raw_conflicts, tt)
2638
2357
        for conflict in conflicts:
2639
 
            trace.warning(unicode(conflict))
 
2358
            warning(conflict)
2640
2359
        try:
2641
2360
            wt.add_conflicts(conflicts)
2642
2361
        except errors.UnsupportedOperation:
2665
2384
        unchanged = dict(unchanged)
2666
2385
        new_desired_files = []
2667
2386
        count = 0
2668
 
        for file_id, (trans_id, tree_path, text_sha1) in desired_files:
 
2387
        for file_id, (trans_id, tree_path) in desired_files:
2669
2388
            accelerator_path = unchanged.get(file_id)
2670
2389
            if accelerator_path is None:
2671
 
                new_desired_files.append((file_id,
2672
 
                    (trans_id, tree_path, text_sha1)))
 
2390
                new_desired_files.append((file_id, (trans_id, tree_path)))
2673
2391
                continue
2674
 
            pb.update(gettext('Adding file contents'), count + offset, total)
 
2392
            pb.update('Adding file contents', count + offset, total)
2675
2393
            if hardlink:
2676
2394
                tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2677
2395
                                   trans_id)
2682
2400
                    contents = filtered_output_bytes(contents, filters,
2683
2401
                        ContentFilterContext(tree_path, tree))
2684
2402
                try:
2685
 
                    tt.create_file(contents, trans_id, sha1=text_sha1)
 
2403
                    tt.create_file(contents, trans_id)
2686
2404
                finally:
2687
2405
                    try:
2688
2406
                        contents.close()
2691
2409
                        pass
2692
2410
            count += 1
2693
2411
        offset += count
2694
 
    for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
 
2412
    for count, ((trans_id, tree_path), contents) in enumerate(
2695
2413
            tree.iter_files_bytes(new_desired_files)):
2696
2414
        if wt.supports_content_filtering():
2697
2415
            filters = wt._content_filter_stack(tree_path)
2698
2416
            contents = filtered_output_bytes(contents, filters,
2699
2417
                ContentFilterContext(tree_path, tree))
2700
 
        tt.create_file(contents, trans_id, sha1=text_sha1)
2701
 
        pb.update(gettext('Adding file contents'), count + offset, total)
 
2418
        tt.create_file(contents, trans_id)
 
2419
        pb.update('Adding file contents', count + offset, total)
2702
2420
 
2703
2421
 
2704
2422
def _reparent_children(tt, old_parent, new_parent):
2705
2423
    for child in tt.iter_tree_children(old_parent):
2706
2424
        tt.adjust_path(tt.final_name(child), new_parent, child)
2707
2425
 
2708
 
 
2709
2426
def _reparent_transform_children(tt, old_parent, new_parent):
2710
2427
    by_parent = tt.by_parent()
2711
2428
    for child in by_parent[old_parent]:
2712
2429
        tt.adjust_path(tt.final_name(child), new_parent, child)
2713
2430
    return by_parent[old_parent]
2714
2431
 
2715
 
 
2716
2432
def _content_match(tree, entry, file_id, kind, target_path):
2717
2433
    if entry.kind != kind:
2718
2434
        return False
2719
2435
    if entry.kind == "directory":
2720
2436
        return True
2721
2437
    if entry.kind == "file":
2722
 
        f = file(target_path, 'rb')
2723
 
        try:
2724
 
            if tree.get_file_text(file_id) == f.read():
2725
 
                return True
2726
 
        finally:
2727
 
            f.close()
 
2438
        if tree.get_file(file_id).read() == file(target_path, 'rb').read():
 
2439
            return True
2728
2440
    elif entry.kind == "symlink":
2729
2441
        if tree.get_symlink_target(file_id) == os.readlink(target_path):
2730
2442
            return True
2782
2494
        raise errors.BadFileKindError(name, kind)
2783
2495
 
2784
2496
 
 
2497
@deprecated_function(deprecated_in((1, 9, 0)))
 
2498
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
 
2499
    """Create new file contents according to an inventory entry.
 
2500
 
 
2501
    DEPRECATED.  Use create_from_tree instead.
 
2502
    """
 
2503
    if entry.kind == "file":
 
2504
        if lines is None:
 
2505
            lines = tree.get_file(entry.file_id).readlines()
 
2506
        tt.create_file(lines, trans_id, mode_id=mode_id)
 
2507
    elif entry.kind == "symlink":
 
2508
        tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
 
2509
    elif entry.kind == "directory":
 
2510
        tt.create_directory(trans_id)
 
2511
 
 
2512
 
2785
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2786
2514
    filter_tree_path=None):
2787
2515
    """Create new file contents according to tree contents.
2818
2546
        tt.set_executability(entry.executable, trans_id)
2819
2547
 
2820
2548
 
2821
 
@deprecated_function(deprecated_in((2, 3, 0)))
2822
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2823
2550
    return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2824
2551
 
2825
2552
 
2826
 
@deprecated_function(deprecated_in((2, 3, 0)))
2827
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2828
2554
    """Produce a backup-style name that appears to be available"""
2829
2555
    def name_gen():
2836
2562
            return new_name
2837
2563
 
2838
2564
 
 
2565
def _entry_changes(file_id, entry, working_tree):
 
2566
    """Determine in which ways the inventory entry has changed.
 
2567
 
 
2568
    Returns booleans: has_contents, content_mod, meta_mod
 
2569
    has_contents means there are currently contents, but they differ
 
2570
    contents_mod means contents need to be modified
 
2571
    meta_mod means the metadata needs to be modified
 
2572
    """
 
2573
    cur_entry = working_tree.inventory[file_id]
 
2574
    try:
 
2575
        working_kind = working_tree.kind(file_id)
 
2576
        has_contents = True
 
2577
    except NoSuchFile:
 
2578
        has_contents = False
 
2579
        contents_mod = True
 
2580
        meta_mod = False
 
2581
    if has_contents is True:
 
2582
        if entry.kind != working_kind:
 
2583
            contents_mod, meta_mod = True, False
 
2584
        else:
 
2585
            cur_entry._read_tree_state(working_tree.id2path(file_id),
 
2586
                                       working_tree)
 
2587
            contents_mod, meta_mod = entry.detect_changes(cur_entry)
 
2588
            cur_entry._forget_tree_state()
 
2589
    return has_contents, contents_mod, meta_mod
 
2590
 
 
2591
 
2839
2592
def revert(working_tree, target_tree, filenames, backups=False,
2840
2593
           pb=None, change_reporter=None):
2841
2594
    """Revert a working tree's contents to those of a target tree."""
2851
2604
                unversioned_filter=working_tree.is_ignored)
2852
2605
            delta.report_changes(tt.iter_changes(), change_reporter)
2853
2606
        for conflict in conflicts:
2854
 
            trace.warning(unicode(conflict))
 
2607
            warning(conflict)
2855
2608
        pp.next_phase()
2856
2609
        tt.apply()
2857
2610
        working_tree.set_merge_modified(merge_modified)
2865
2618
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2866
2619
                              backups, pp, basis_tree=None,
2867
2620
                              merge_modified=None):
2868
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2621
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2869
2622
    try:
2870
2623
        if merge_modified is None:
2871
2624
            merge_modified = working_tree.merge_modified()
2874
2627
                                      merge_modified, basis_tree)
2875
2628
    finally:
2876
2629
        child_pb.finished()
2877
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2630
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2878
2631
    try:
2879
2632
        raw_conflicts = resolve_conflicts(tt, child_pb,
2880
2633
            lambda t, c: conflict_pass(t, c, target_tree))
2888
2641
                 backups, merge_modified, basis_tree=None):
2889
2642
    if basis_tree is not None:
2890
2643
        basis_tree.lock_read()
2891
 
    # We ask the working_tree for its changes relative to the target, rather
2892
 
    # than the target changes relative to the working tree. Because WT4 has an
2893
 
    # optimizer to compare itself to a target, but no optimizer for the
2894
 
    # reverse.
2895
 
    change_list = working_tree.iter_changes(target_tree,
 
2644
    change_list = target_tree.iter_changes(working_tree,
2896
2645
        specific_files=specific_files, pb=pb)
2897
2646
    if target_tree.get_root_id() is None:
2898
2647
        skip_root = True
2902
2651
        deferred_files = []
2903
2652
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2904
2653
                kind, executable) in enumerate(change_list):
2905
 
            target_path, wt_path = path
2906
 
            target_versioned, wt_versioned = versioned
2907
 
            target_parent, wt_parent = parent
2908
 
            target_name, wt_name = name
2909
 
            target_kind, wt_kind = kind
2910
 
            target_executable, wt_executable = executable
2911
 
            if skip_root and wt_parent is None:
 
2654
            if skip_root and file_id[0] is not None and parent[0] is None:
2912
2655
                continue
2913
2656
            trans_id = tt.trans_id_file_id(file_id)
2914
2657
            mode_id = None
2915
2658
            if changed_content:
2916
2659
                keep_content = False
2917
 
                if wt_kind == 'file' and (backups or target_kind is None):
 
2660
                if kind[0] == 'file' and (backups or kind[1] is None):
2918
2661
                    wt_sha1 = working_tree.get_file_sha1(file_id)
2919
2662
                    if merge_modified.get(file_id) != wt_sha1:
2920
2663
                        # acquire the basis tree lazily to prevent the
2923
2666
                        if basis_tree is None:
2924
2667
                            basis_tree = working_tree.basis_tree()
2925
2668
                            basis_tree.lock_read()
2926
 
                        if basis_tree.has_id(file_id):
 
2669
                        if file_id in basis_tree:
2927
2670
                            if wt_sha1 != basis_tree.get_file_sha1(file_id):
2928
2671
                                keep_content = True
2929
 
                        elif target_kind is None and not target_versioned:
 
2672
                        elif kind[1] is None and not versioned[1]:
2930
2673
                            keep_content = True
2931
 
                if wt_kind is not None:
 
2674
                if kind[0] is not None:
2932
2675
                    if not keep_content:
2933
2676
                        tt.delete_contents(trans_id)
2934
 
                    elif target_kind is not None:
2935
 
                        parent_trans_id = tt.trans_id_file_id(wt_parent)
2936
 
                        backup_name = tt._available_backup_name(
2937
 
                            wt_name, parent_trans_id)
 
2677
                    elif kind[1] is not None:
 
2678
                        parent_trans_id = tt.trans_id_file_id(parent[0])
 
2679
                        by_parent = tt.by_parent()
 
2680
                        backup_name = _get_backup_name(name[0], by_parent,
 
2681
                                                       parent_trans_id, tt)
2938
2682
                        tt.adjust_path(backup_name, parent_trans_id, trans_id)
2939
 
                        new_trans_id = tt.create_path(wt_name, parent_trans_id)
2940
 
                        if wt_versioned and target_versioned:
 
2683
                        new_trans_id = tt.create_path(name[0], parent_trans_id)
 
2684
                        if versioned == (True, True):
2941
2685
                            tt.unversion_file(trans_id)
2942
2686
                            tt.version_file(file_id, new_trans_id)
2943
2687
                        # New contents should have the same unix perms as old
2944
2688
                        # contents
2945
2689
                        mode_id = trans_id
2946
2690
                        trans_id = new_trans_id
2947
 
                if target_kind in ('directory', 'tree-reference'):
 
2691
                if kind[1] in ('directory', 'tree-reference'):
2948
2692
                    tt.create_directory(trans_id)
2949
 
                    if target_kind == 'tree-reference':
 
2693
                    if kind[1] == 'tree-reference':
2950
2694
                        revision = target_tree.get_reference_revision(file_id,
2951
 
                                                                      target_path)
 
2695
                                                                      path[1])
2952
2696
                        tt.set_tree_reference(revision, trans_id)
2953
 
                elif target_kind == 'symlink':
 
2697
                elif kind[1] == 'symlink':
2954
2698
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2955
2699
                                      trans_id)
2956
 
                elif target_kind == 'file':
 
2700
                elif kind[1] == 'file':
2957
2701
                    deferred_files.append((file_id, (trans_id, mode_id)))
2958
2702
                    if basis_tree is None:
2959
2703
                        basis_tree = working_tree.basis_tree()
2960
2704
                        basis_tree.lock_read()
2961
2705
                    new_sha1 = target_tree.get_file_sha1(file_id)
2962
 
                    if (basis_tree.has_id(file_id) and
2963
 
                        new_sha1 == basis_tree.get_file_sha1(file_id)):
 
2706
                    if (file_id in basis_tree and new_sha1 ==
 
2707
                        basis_tree.get_file_sha1(file_id)):
2964
2708
                        if file_id in merge_modified:
2965
2709
                            del merge_modified[file_id]
2966
2710
                    else:
2967
2711
                        merge_modified[file_id] = new_sha1
2968
2712
 
2969
2713
                    # preserve the execute bit when backing up
2970
 
                    if keep_content and wt_executable == target_executable:
2971
 
                        tt.set_executability(target_executable, trans_id)
2972
 
                elif target_kind is not None:
2973
 
                    raise AssertionError(target_kind)
2974
 
            if not wt_versioned and target_versioned:
 
2714
                    if keep_content and executable[0] == executable[1]:
 
2715
                        tt.set_executability(executable[1], trans_id)
 
2716
                elif kind[1] is not None:
 
2717
                    raise AssertionError(kind[1])
 
2718
            if versioned == (False, True):
2975
2719
                tt.version_file(file_id, trans_id)
2976
 
            if wt_versioned and not target_versioned:
 
2720
            if versioned == (True, False):
2977
2721
                tt.unversion_file(trans_id)
2978
 
            if (target_name is not None and
2979
 
                (wt_name != target_name or wt_parent != target_parent)):
2980
 
                if target_name == '' and target_parent is None:
 
2722
            if (name[1] is not None and
 
2723
                (name[0] != name[1] or parent[0] != parent[1])):
 
2724
                if name[1] == '' and parent[1] is None:
2981
2725
                    parent_trans = ROOT_PARENT
2982
2726
                else:
2983
 
                    parent_trans = tt.trans_id_file_id(target_parent)
2984
 
                if wt_parent is None and wt_versioned:
2985
 
                    tt.adjust_root_path(target_name, parent_trans)
 
2727
                    parent_trans = tt.trans_id_file_id(parent[1])
 
2728
                if parent[0] is None and versioned[0]:
 
2729
                    tt.adjust_root_path(name[1], parent_trans)
2986
2730
                else:
2987
 
                    tt.adjust_path(target_name, parent_trans, trans_id)
2988
 
            if wt_executable != target_executable and target_kind == "file":
2989
 
                tt.set_executability(target_executable, trans_id)
 
2731
                    tt.adjust_path(name[1], parent_trans, trans_id)
 
2732
            if executable[0] != executable[1] and kind[1] == "file":
 
2733
                tt.set_executability(executable[1], trans_id)
2990
2734
        if working_tree.supports_content_filtering():
2991
2735
            for index, ((trans_id, mode_id), bytes) in enumerate(
2992
2736
                target_tree.iter_files_bytes(deferred_files)):
3018
2762
    pb = ui.ui_factory.nested_progress_bar()
3019
2763
    try:
3020
2764
        for n in range(10):
3021
 
            pb.update(gettext('Resolution pass'), n+1, 10)
 
2765
            pb.update('Resolution pass', n+1, 10)
3022
2766
            conflicts = tt.find_conflicts()
3023
2767
            if len(conflicts) == 0:
3024
2768
                return new_conflicts
3048
2792
                existing_file, new_file = conflict[2], conflict[1]
3049
2793
            else:
3050
2794
                existing_file, new_file = conflict[1], conflict[2]
3051
 
            new_name = tt.final_name(existing_file) + '.moved'
 
2795
            new_name = tt.final_name(existing_file)+'.moved'
3052
2796
            tt.adjust_path(new_name, final_parent, existing_file)
3053
2797
            new_conflicts.add((c_type, 'Moved existing file to',
3054
2798
                               existing_file, new_file))
3063
2807
 
3064
2808
        elif c_type == 'missing parent':
3065
2809
            trans_id = conflict[1]
3066
 
            if trans_id in tt._removed_contents:
3067
 
                cancel_deletion = True
3068
 
                orphans = tt._get_potential_orphans(trans_id)
3069
 
                if orphans:
3070
 
                    cancel_deletion = False
3071
 
                    # All children are orphans
3072
 
                    for o in orphans:
3073
 
                        try:
3074
 
                            tt.new_orphan(o, trans_id)
3075
 
                        except OrphaningError:
3076
 
                            # Something bad happened so we cancel the directory
3077
 
                            # deletion which will leave it in place with a
3078
 
                            # conflict. The user can deal with it from there.
3079
 
                            # Note that this also catch the case where we don't
3080
 
                            # want to create orphans and leave the directory in
3081
 
                            # place.
3082
 
                            cancel_deletion = True
3083
 
                            break
3084
 
                if cancel_deletion:
3085
 
                    # Cancel the directory deletion
3086
 
                    tt.cancel_deletion(trans_id)
3087
 
                    new_conflicts.add(('deleting parent', 'Not deleting',
3088
 
                                       trans_id))
3089
 
            else:
 
2810
            try:
 
2811
                tt.cancel_deletion(trans_id)
 
2812
                new_conflicts.add(('deleting parent', 'Not deleting',
 
2813
                                   trans_id))
 
2814
            except KeyError:
3090
2815
                create = True
3091
2816
                try:
3092
2817
                    tt.final_name(trans_id)
3095
2820
                        file_id = tt.final_file_id(trans_id)
3096
2821
                        if file_id is None:
3097
2822
                            file_id = tt.inactive_file_id(trans_id)
3098
 
                        _, entry = path_tree.iter_entries_by_dir(
3099
 
                            [file_id]).next()
 
2823
                        entry = path_tree.inventory[file_id]
3100
2824
                        # special-case the other tree root (move its
3101
2825
                        # children to current root)
3102
2826
                        if entry.parent_id is None:
3117
2841
        elif c_type == 'unversioned parent':
3118
2842
            file_id = tt.inactive_file_id(conflict[1])
3119
2843
            # special-case the other tree root (move its children instead)
3120
 
            if path_tree and path_tree.has_id(file_id):
3121
 
                if path_tree.path2id('') == file_id:
3122
 
                    # This is the root entry, skip it
 
2844
            if path_tree and file_id in path_tree:
 
2845
                if path_tree.inventory[file_id].parent_id is None:
3123
2846
                    continue
3124
2847
            tt.version_file(file_id, conflict[1])
3125
2848
            new_conflicts.add((c_type, 'Versioned directory', conflict[1]))
3141
2864
 
3142
2865
def cook_conflicts(raw_conflicts, tt):
3143
2866
    """Generate a list of cooked conflicts, sorted by file path"""
 
2867
    from bzrlib.conflicts import Conflict
3144
2868
    conflict_iter = iter_cook_conflicts(raw_conflicts, tt)
3145
 
    return sorted(conflict_iter, key=conflicts.Conflict.sort_key)
 
2869
    return sorted(conflict_iter, key=Conflict.sort_key)
3146
2870
 
3147
2871
 
3148
2872
def iter_cook_conflicts(raw_conflicts, tt):
 
2873
    from bzrlib.conflicts import Conflict
3149
2874
    fp = FinalPaths(tt)
3150
2875
    for conflict in raw_conflicts:
3151
2876
        c_type = conflict[0]
3153
2878
        modified_path = fp.get_path(conflict[2])
3154
2879
        modified_id = tt.final_file_id(conflict[2])
3155
2880
        if len(conflict) == 3:
3156
 
            yield conflicts.Conflict.factory(
3157
 
                c_type, action=action, path=modified_path, file_id=modified_id)
 
2881
            yield Conflict.factory(c_type, action=action, path=modified_path,
 
2882
                                     file_id=modified_id)
3158
2883
 
3159
2884
        else:
3160
2885
            conflicting_path = fp.get_path(conflict[3])
3161
2886
            conflicting_id = tt.final_file_id(conflict[3])
3162
 
            yield conflicts.Conflict.factory(
3163
 
                c_type, action=action, path=modified_path,
3164
 
                file_id=modified_id,
3165
 
                conflict_path=conflicting_path,
3166
 
                conflict_file_id=conflicting_id)
 
2887
            yield Conflict.factory(c_type, action=action, path=modified_path,
 
2888
                                   file_id=modified_id,
 
2889
                                   conflict_path=conflicting_path,
 
2890
                                   conflict_file_id=conflicting_id)
3167
2891
 
3168
2892
 
3169
2893
class _FileMover(object):
3176
2900
    def rename(self, from_, to):
3177
2901
        """Rename a file from one path to another."""
3178
2902
        try:
3179
 
            os.rename(from_, to)
 
2903
            osutils.rename(from_, to)
3180
2904
        except OSError, e:
3181
2905
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3182
2906
                raise errors.FileExists(to, str(e))
3183
 
            # normal OSError doesn't include filenames so it's hard to see where
3184
 
            # the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
3185
 
            raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
 
2907
            raise
3186
2908
        self.past_renames.append((from_, to))
3187
2909
 
3188
2910
    def pre_delete(self, from_, to):
3198
2920
    def rollback(self):
3199
2921
        """Reverse all renames that have been performed"""
3200
2922
        for from_, to in reversed(self.past_renames):
3201
 
            try:
3202
 
                os.rename(to, from_)
3203
 
            except OSError, e:
3204
 
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
 
2923
            osutils.rename(to, from_)
3205
2924
        # after rollback, don't reuse _FileMover
3206
2925
        past_renames = None
3207
2926
        pending_deletions = None