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  • Committer: Martin Pool
  • Date: 2010-02-25 06:17:27 UTC
  • mfrom: (5055 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5057.
  • Revision ID: mbp@sourcefrog.net-20100225061727-4sd9lt0qmdc6087t
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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
27
    bzrdir,
34
 
    commit,
35
 
    conflicts,
36
28
    delta,
37
29
    errors,
38
30
    inventory,
40
32
    osutils,
41
33
    revision as _mod_revision,
42
34
    ui,
43
 
    urlutils,
44
35
    )
45
 
from bzrlib.i18n import gettext
46
36
""")
47
37
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
48
 
                           ReusingTransform, CantMoveRoot,
 
38
                           ReusingTransform, NotVersionedError, CantMoveRoot,
49
39
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
50
40
                           UnableCreateSymlink)
51
41
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
 
42
from bzrlib.inventory import InventoryEntry
52
43
from bzrlib.osutils import (
53
44
    delete_any,
54
45
    file_kind,
55
46
    has_symlinks,
 
47
    lexists,
56
48
    pathjoin,
57
49
    sha_file,
58
50
    splitpath,
59
51
    supports_executable,
60
 
    )
 
52
)
61
53
from bzrlib.progress import ProgressPhase
62
54
from bzrlib.symbol_versioning import (
63
 
    deprecated_function,
64
 
    deprecated_in,
65
 
    deprecated_method,
66
 
    )
 
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
67
62
 
68
63
 
69
64
ROOT_PARENT = "root-parent"
70
65
 
 
66
 
71
67
def unique_add(map, key, value):
72
68
    if key in map:
73
69
        raise DuplicateKey(key=key)
74
70
    map[key] = value
75
71
 
76
72
 
77
 
 
78
73
class _TransformResults(object):
79
74
    def __init__(self, modified_paths, rename_count):
80
75
        object.__init__(self)
104
99
        self._new_parent = {}
105
100
        # mapping of trans_id with new contents -> new file_kind
106
101
        self._new_contents = {}
107
 
        # mapping of trans_id => (sha1 of content, stat_value)
108
 
        self._observed_sha1s = {}
109
102
        # Set of trans_ids whose contents will be removed
110
103
        self._removed_contents = set()
111
104
        # Mapping of trans_id -> new execute-bit value
130
123
            self._new_root = self.trans_id_tree_file_id(root_id)
131
124
        else:
132
125
            self._new_root = None
133
 
        # Indicator of whether the transform has been applied
 
126
        # Indictor of whether the transform has been applied
134
127
        self._done = False
135
128
        # A progress bar
136
129
        self._pb = pb
139
132
        # A counter of how many files have been renamed
140
133
        self.rename_count = 0
141
134
 
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
135
    def finalize(self):
151
136
        """Release the working tree lock, if held.
152
137
 
227
212
        This means that the old root trans-id becomes obsolete, so it is
228
213
        recommended only to invoke this after the root trans-id has become
229
214
        irrelevant.
230
 
 
231
215
        """
232
216
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
233
217
                     ROOT_PARENT]
239
223
            self._new_root = new_roots[0]
240
224
            return
241
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
 
242
231
        # 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)
 
232
        file_id = self.final_file_id(old_new_root)
247
233
        if old_new_root in self._new_id:
248
234
            self.cancel_versioning(old_new_root)
249
235
        else:
253
239
        if (self.tree_file_id(self._new_root) is not None and
254
240
            self._new_root not in self._removed_id):
255
241
            self.unversion_file(self._new_root)
256
 
        if file_id is not None:
257
 
            self.version_file(file_id, self._new_root)
 
242
        self.version_file(file_id, self._new_root)
258
243
 
259
244
        # Now move children of new root into old root directory.
260
245
        # Ensure all children are registered with the transaction, but don't
329
314
 
330
315
    def delete_contents(self, trans_id):
331
316
        """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)
 
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)
335
321
 
336
322
    def cancel_deletion(self, trans_id):
337
323
        """Cancel a scheduled deletion"""
394
380
        return sorted(FinalPaths(self).get_paths(new_ids))
395
381
 
396
382
    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,
 
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,
415
386
                       self._new_executability]:
416
 
            changed_ids.update(id_set)
417
 
        # removing implies a kind change
 
387
            new_ids.update(id_set)
418
388
        changed_kind = set(self._removed_contents)
419
 
        # so does adding
420
389
        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))
 
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))
435
395
 
436
396
    def final_kind(self, trans_id):
437
397
        """Determine the final file kind, after any changes applied.
438
398
 
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)
 
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)
442
402
        """
443
403
        if trans_id in self._new_contents:
444
404
            return self._new_contents[trans_id]
445
405
        elif trans_id in self._removed_contents:
446
 
            return None
 
406
            raise NoSuchFile(None)
447
407
        else:
448
408
            return self.tree_kind(trans_id)
449
409
 
562
522
        for trans_id in self._removed_id:
563
523
            file_id = self.tree_file_id(trans_id)
564
524
            if file_id is not None:
565
 
                # XXX: This seems like something that should go via a different
566
 
                #      indirection.
567
525
                if self._tree.inventory[file_id].kind == 'directory':
568
526
                    parents.append(trans_id)
569
527
            elif self.tree_kind(trans_id) == 'directory':
573
531
            # ensure that all children are registered with the transaction
574
532
            list(self.iter_tree_children(parent_id))
575
533
 
576
 
    @deprecated_method(deprecated_in((2, 3, 0)))
577
534
    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:
 
535
        try:
 
536
            children = by_parent[parent_id]
 
537
        except KeyError:
 
538
            children = []
 
539
        for child in children:
595
540
            if self.final_name(child) == name:
596
541
                return True
597
 
        parent_path = self._tree_id_paths.get(parent_id, None)
598
 
        if parent_path is None:
599
 
            # No parent... no children
 
542
        try:
 
543
            path = self._tree_id_paths[parent_id]
 
544
        except KeyError:
600
545
            return False
601
 
        child_path = joinpath(parent_path, name)
602
 
        child_id = self._tree_path_ids.get(child_path, None)
 
546
        childpath = joinpath(path, name)
 
547
        child_id = self._tree_path_ids.get(childpath)
603
548
        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))
 
549
            return lexists(self._tree.abspath(childpath))
606
550
        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))
 
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
623
558
 
624
559
    def _parent_loops(self):
625
560
        """No entry should be its own ancestor"""
660
595
        """
661
596
        conflicts = []
662
597
        for trans_id in self._new_id.iterkeys():
663
 
            kind = self.final_kind(trans_id)
664
 
            if kind is None:
 
598
            try:
 
599
                kind = self.final_kind(trans_id)
 
600
            except NoSuchFile:
665
601
                conflicts.append(('versioning no contents', trans_id))
666
602
                continue
667
 
            if not inventory.InventoryEntry.versionable_kind(kind):
 
603
            if not InventoryEntry.versionable_kind(kind):
668
604
                conflicts.append(('versioning bad kind', trans_id, kind))
669
605
        return conflicts
670
606
 
681
617
            if self.final_file_id(trans_id) is None:
682
618
                conflicts.append(('unversioned executability', trans_id))
683
619
            else:
684
 
                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:
685
625
                    conflicts.append(('non-file executability', trans_id))
686
626
        return conflicts
687
627
 
689
629
        """Check for overwrites (not permitted on Win32)"""
690
630
        conflicts = []
691
631
        for trans_id in self._new_contents:
692
 
            if self.tree_kind(trans_id) is None:
 
632
            try:
 
633
                self.tree_kind(trans_id)
 
634
            except NoSuchFile:
693
635
                continue
694
636
            if trans_id not in self._removed_contents:
695
637
                conflicts.append(('overwrite', trans_id,
702
644
        if (self._new_name, self._new_parent) == ({}, {}):
703
645
            return conflicts
704
646
        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))
 
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]
713
650
            name_ids.sort()
714
651
            last_name = None
715
652
            last_trans_id = None
716
653
            for name, trans_id in name_ids:
717
 
                kind = self.final_kind(trans_id)
 
654
                try:
 
655
                    kind = self.final_kind(trans_id)
 
656
                except NoSuchFile:
 
657
                    kind = None
718
658
                file_id = self.final_file_id(trans_id)
719
659
                if kind is None and file_id is None:
720
660
                    continue
739
679
        return conflicts
740
680
 
741
681
    def _parent_type_conflicts(self, by_parent):
742
 
        """Children must have a directory parent"""
 
682
        """parents must have directory 'contents'."""
743
683
        conflicts = []
744
684
        for parent_id, children in by_parent.iteritems():
745
685
            if parent_id is ROOT_PARENT:
746
686
                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:
 
687
            if not self._any_contents(children):
753
688
                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)
 
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
757
698
            if kind is None:
758
 
                # The directory will be deleted
759
699
                conflicts.append(('missing parent', parent_id))
760
700
            elif kind != "directory":
761
 
                # Meh, we need a *directory* to put something in it
762
701
                conflicts.append(('non-directory parent', parent_id))
763
702
        return conflicts
764
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
 
765
714
    def _set_executability(self, path, trans_id):
766
715
        """Set the executability of versioned files """
767
716
        if supports_executable():
789
738
        return trans_id
790
739
 
791
740
    def new_file(self, name, parent_id, contents, file_id=None,
792
 
                 executable=None, sha1=None):
 
741
                 executable=None):
793
742
        """Convenience method to create files.
794
743
 
795
744
        name is the name of the file to create.
802
751
        trans_id = self._new_entry(name, parent_id, file_id)
803
752
        # TODO: rather than scheduling a set_executable call,
804
753
        # have create_file create the file with the right mode.
805
 
        self.create_file(contents, trans_id, sha1=sha1)
 
754
        self.create_file(contents, trans_id)
806
755
        if executable is not None:
807
756
            self.set_executability(executable, trans_id)
808
757
        return trans_id
831
780
        self.create_symlink(target, trans_id)
832
781
        return trans_id
833
782
 
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
783
    def _affected_ids(self):
877
784
        """Return the set of transform ids affected by the transform"""
878
785
        trans_ids = set(self._removed_id)
937
844
        Return a (name, parent, kind, executable) tuple
938
845
        """
939
846
        to_name = self.final_name(to_trans_id)
940
 
        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
941
851
        to_parent = self.final_file_id(self.final_parent(to_trans_id))
942
852
        if to_trans_id in self._new_executability:
943
853
            to_executable = self._new_executability[to_trans_id]
1017
927
        """
1018
928
        return _PreviewTree(self)
1019
929
 
1020
 
    def commit(self, branch, message, merge_parents=None, strict=False,
1021
 
               timestamp=None, timezone=None, committer=None, authors=None,
1022
 
               revprops=None, revision_id=None):
 
930
    def commit(self, branch, message, merge_parents=None, strict=False):
1023
931
        """Commit the result of this TreeTransform to a branch.
1024
932
 
1025
933
        :param branch: The branch to commit to.
1026
934
        :param message: The message to attach to the commit.
1027
 
        :param merge_parents: Additional parent revision-ids specified by
1028
 
            pending merges.
1029
 
        :param strict: If True, abort the commit if there are unversioned
1030
 
            files.
1031
 
        :param timestamp: if not None, seconds-since-epoch for the time and
1032
 
            date.  (May be a float.)
1033
 
        :param timezone: Optional timezone for timestamp, as an offset in
1034
 
            seconds.
1035
 
        :param committer: Optional committer in email-id format.
1036
 
            (e.g. "J Random Hacker <jrandom@example.com>")
1037
 
        :param authors: Optional list of authors in email-id format.
1038
 
        :param revprops: Optional dictionary of revision properties.
1039
 
        :param revision_id: Optional revision id.  (Specifying a revision-id
1040
 
            may reduce performance for some non-native formats.)
 
935
        :param merge_parents: Additional parents specified by pending merges.
1041
936
        :return: The revision_id of the revision committed.
1042
937
        """
1043
938
        self._check_malformed()
1060
955
        if self._tree.get_revision_id() != last_rev_id:
1061
956
            raise ValueError('TreeTransform not based on branch basis: %s' %
1062
957
                             self._tree.get_revision_id())
1063
 
        revprops = commit.Commit.update_revprops(revprops, branch, authors)
1064
 
        builder = branch.get_commit_builder(parent_ids,
1065
 
                                            timestamp=timestamp,
1066
 
                                            timezone=timezone,
1067
 
                                            committer=committer,
1068
 
                                            revprops=revprops,
1069
 
                                            revision_id=revision_id)
 
958
        builder = branch.get_commit_builder(parent_ids)
1070
959
        preview = self.get_preview_tree()
1071
960
        list(builder.record_iter_changes(preview, last_rev_id,
1072
961
                                         self.iter_changes()))
1190
1079
        self._deletiondir = None
1191
1080
        # A mapping of transform ids to their limbo filename
1192
1081
        self._limbo_files = {}
1193
 
        self._possibly_stale_limbo_files = set()
1194
1082
        # A mapping of transform ids to a set of the transform ids of children
1195
1083
        # that their limbo directory has
1196
1084
        self._limbo_children = {}
1209
1097
        if self._tree is None:
1210
1098
            return
1211
1099
        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?
 
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)
1224
1105
            try:
1225
1106
                delete_any(self._limbodir)
1226
1107
            except OSError:
1275
1156
        entries from _limbo_files, because they are now stale.
1276
1157
        """
1277
1158
        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]
 
1159
            old_path = self._limbo_files.pop(trans_id)
1281
1160
            if trans_id not in self._new_contents:
1282
1161
                continue
1283
1162
            new_path = self._limbo_name(trans_id)
1284
1163
            os.rename(old_path, new_path)
1285
 
            self._possibly_stale_limbo_files.remove(old_path)
1286
1164
            for descendant in self._limbo_descendants(trans_id):
1287
1165
                desc_path = self._limbo_files[descendant]
1288
1166
                desc_path = new_path + desc_path[len(old_path):]
1295
1173
            descendants.update(self._limbo_descendants(descendant))
1296
1174
        return descendants
1297
1175
 
1298
 
    def create_file(self, contents, trans_id, mode_id=None, sha1=None):
 
1176
    def create_file(self, contents, trans_id, mode_id=None):
1299
1177
        """Schedule creation of a new file.
1300
1178
 
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.
 
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.
1311
1186
        """
1312
1187
        name = self._limbo_name(trans_id)
1313
1188
        f = open(name, 'wb')
1314
1189
        try:
1315
 
            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
 
1316
1199
            f.writelines(contents)
1317
1200
        finally:
1318
1201
            f.close()
1319
1202
        self._set_mtime(name)
1320
1203
        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
1204
 
1327
1205
    def _read_file_chunks(self, trans_id):
1328
1206
        cur_file = open(self._limbo_name(trans_id), 'rb')
1387
1265
    def cancel_creation(self, trans_id):
1388
1266
        """Cancel the creation of new file contents."""
1389
1267
        del self._new_contents[trans_id]
1390
 
        if trans_id in self._observed_sha1s:
1391
 
            del self._observed_sha1s[trans_id]
1392
1268
        children = self._limbo_children.get(trans_id)
1393
1269
        # if this is a limbo directory with children, move them before removing
1394
1270
        # the directory
1398
1274
            del self._limbo_children_names[trans_id]
1399
1275
        delete_any(self._limbo_name(trans_id))
1400
1276
 
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
1277
 
1485
1278
class TreeTransform(DiskTreeTransform):
1486
1279
    """Represent a tree transformation.
1604
1397
    def tree_kind(self, trans_id):
1605
1398
        """Determine the file kind in the working tree.
1606
1399
 
1607
 
        :returns: The file kind or None if the file does not exist
 
1400
        Raises NoSuchFile if the file does not exist
1608
1401
        """
1609
1402
        path = self._tree_id_paths.get(trans_id)
1610
1403
        if path is None:
1611
 
            return None
 
1404
            raise NoSuchFile(None)
1612
1405
        try:
1613
1406
            return file_kind(self._tree.abspath(path))
1614
 
        except errors.NoSuchFile:
1615
 
            return None
 
1407
        except OSError, e:
 
1408
            if e.errno != errno.ENOENT:
 
1409
                raise
 
1410
            else:
 
1411
                raise NoSuchFile(path)
1616
1412
 
1617
1413
    def _set_mode(self, trans_id, mode_id, typefunc):
1618
1414
        """Set the mode of new file contents.
1724
1520
        """
1725
1521
        if not no_conflicts:
1726
1522
            self._check_malformed()
1727
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1523
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1728
1524
        try:
1729
1525
            if precomputed_delta is None:
1730
 
                child_pb.update(gettext('Apply phase'), 0, 2)
 
1526
                child_pb.update('Apply phase', 0, 2)
1731
1527
                inventory_delta = self._generate_inventory_delta()
1732
1528
                offset = 1
1733
1529
            else:
1738
1534
            else:
1739
1535
                mover = _mover
1740
1536
            try:
1741
 
                child_pb.update(gettext('Apply phase'), 0 + offset, 2 + offset)
 
1537
                child_pb.update('Apply phase', 0 + offset, 2 + offset)
1742
1538
                self._apply_removals(mover)
1743
 
                child_pb.update(gettext('Apply phase'), 1 + offset, 2 + offset)
 
1539
                child_pb.update('Apply phase', 1 + offset, 2 + offset)
1744
1540
                modified_paths = self._apply_insertions(mover)
1745
1541
            except:
1746
1542
                mover.rollback()
1749
1545
                mover.apply_deletions()
1750
1546
        finally:
1751
1547
            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
1548
        self._tree.apply_inventory_delta(inventory_delta)
1755
 
        self._apply_observed_sha1s()
1756
1549
        self._done = True
1757
1550
        self.finalize()
1758
1551
        return _TransformResults(modified_paths, self.rename_count)
1760
1553
    def _generate_inventory_delta(self):
1761
1554
        """Generate an inventory delta for the current transform."""
1762
1555
        inventory_delta = []
1763
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1556
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1764
1557
        new_paths = self._inventory_altered()
1765
1558
        total_entries = len(new_paths) + len(self._removed_id)
1766
1559
        try:
1767
1560
            for num, trans_id in enumerate(self._removed_id):
1768
1561
                if (num % 10) == 0:
1769
 
                    child_pb.update(gettext('removing file'), num, total_entries)
 
1562
                    child_pb.update('removing file', num, total_entries)
1770
1563
                if trans_id == self._new_root:
1771
1564
                    file_id = self._tree.get_root_id()
1772
1565
                else:
1784
1577
            final_kinds = {}
1785
1578
            for num, (path, trans_id) in enumerate(new_paths):
1786
1579
                if (num % 10) == 0:
1787
 
                    child_pb.update(gettext('adding file'),
 
1580
                    child_pb.update('adding file',
1788
1581
                                    num + len(self._removed_id), total_entries)
1789
1582
                file_id = new_path_file_ids[trans_id]
1790
1583
                if file_id is None:
1791
1584
                    continue
1792
1585
                needs_entry = False
1793
 
                kind = self.final_kind(trans_id)
1794
 
                if kind is None:
 
1586
                try:
 
1587
                    kind = self.final_kind(trans_id)
 
1588
                except NoSuchFile:
1795
1589
                    kind = self._tree.stored_kind(file_id)
1796
1590
                parent_trans_id = self.final_parent(trans_id)
1797
1591
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1828
1622
        """
1829
1623
        tree_paths = list(self._tree_path_ids.iteritems())
1830
1624
        tree_paths.sort(reverse=True)
1831
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1625
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1832
1626
        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))
 
1627
            for num, data in enumerate(tree_paths):
 
1628
                path, trans_id = data
 
1629
                child_pb.update('removing file', num, len(tree_paths))
1838
1630
                full_path = self._tree.abspath(path)
1839
1631
                if trans_id in self._removed_contents:
1840
1632
                    delete_path = os.path.join(self._deletiondir, trans_id)
1843
1635
                      or trans_id in self._new_parent):
1844
1636
                    try:
1845
1637
                        mover.rename(full_path, self._limbo_name(trans_id))
1846
 
                    except errors.TransformRenameFailed, e:
 
1638
                    except OSError, e:
1847
1639
                        if e.errno != errno.ENOENT:
1848
1640
                            raise
1849
1641
                    else:
1865
1657
        modified_paths = []
1866
1658
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1867
1659
                                 new_paths)
1868
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1660
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1869
1661
        try:
1870
1662
            for num, (path, trans_id) in enumerate(new_paths):
1871
1663
                if (num % 10) == 0:
1872
 
                    child_pb.update(gettext('adding file'), num, len(new_paths))
 
1664
                    child_pb.update('adding file', num, len(new_paths))
1873
1665
                full_path = self._tree.abspath(path)
1874
1666
                if trans_id in self._needs_rename:
1875
1667
                    try:
1876
1668
                        mover.rename(self._limbo_name(trans_id), full_path)
1877
 
                    except errors.TransformRenameFailed, e:
 
1669
                    except OSError, e:
1878
1670
                        # We may be renaming a dangling inventory id
1879
1671
                        if e.errno != errno.ENOENT:
1880
1672
                            raise
1881
1673
                    else:
1882
1674
                        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
1675
                if (trans_id in self._new_contents or
1887
1676
                    self.path_changed(trans_id)):
1888
1677
                    if trans_id in self._new_contents:
1889
1678
                        modified_paths.append(full_path)
1890
1679
                if trans_id in self._new_executability:
1891
1680
                    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
1681
        finally:
1897
1682
            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
1683
        self._new_contents.clear()
1904
1684
        return modified_paths
1905
1685
 
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
1686
 
1930
1687
class TransformPreview(DiskTreeTransform):
1931
1688
    """A TreeTransform for generating preview trees.
1946
1703
    def tree_kind(self, trans_id):
1947
1704
        path = self._tree_id_paths.get(trans_id)
1948
1705
        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
 
1706
            raise NoSuchFile(None)
 
1707
        file_id = self._tree.path2id(path)
 
1708
        return self._tree.kind(file_id)
1954
1709
 
1955
1710
    def _set_mode(self, trans_id, mode_id, typefunc):
1956
1711
        """Set the mode of new file contents.
1976
1731
            childpath = joinpath(path, child)
1977
1732
            yield self.trans_id_tree_path(childpath)
1978
1733
 
1979
 
    def new_orphan(self, trans_id, parent_id):
1980
 
        raise NotImplementedError(self.new_orphan)
1981
 
 
1982
 
 
1983
 
class _PreviewTree(tree.InventoryTree):
 
1734
 
 
1735
class _PreviewTree(tree.Tree):
1984
1736
    """Partial implementation of Tree to support show_diff_trees"""
1985
1737
 
1986
1738
    def __init__(self, transform):
2015
1767
                yield self._get_repository().revision_tree(revision_id)
2016
1768
 
2017
1769
    def _get_file_revision(self, file_id, vf, tree_revision):
2018
 
        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
2019
1771
                       self._iter_parent_trees()]
2020
1772
        vf.add_lines((file_id, tree_revision), parent_keys,
2021
 
                     self.get_file_lines(file_id))
 
1773
                     self.get_file(file_id).readlines())
2022
1774
        repo = self._get_repository()
2023
1775
        base_vf = repo.texts
2024
1776
        if base_vf not in vf.fallback_versionedfiles:
2025
1777
            vf.fallback_versionedfiles.append(base_vf)
2026
1778
        return tree_revision
2027
1779
 
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)
 
1780
    def _stat_limbo_file(self, file_id):
 
1781
        trans_id = self._transform.trans_id_file_id(file_id)
2031
1782
        name = self._transform._limbo_name(trans_id)
2032
1783
        return os.lstat(name)
2033
1784
 
2047
1798
            executable = self.is_executable(file_id, path)
2048
1799
        return kind, executable, None
2049
1800
 
2050
 
    def is_locked(self):
2051
 
        return False
2052
 
 
2053
1801
    def lock_read(self):
2054
1802
        # Perhaps in theory, this should lock the TreeTransform?
2055
 
        return self
 
1803
        pass
2056
1804
 
2057
1805
    def unlock(self):
2058
1806
        pass
2156
1904
            if (specific_file_ids is not None
2157
1905
                and file_id not in specific_file_ids):
2158
1906
                continue
2159
 
            kind = self._transform.final_kind(trans_id)
2160
 
            if kind is None:
 
1907
            try:
 
1908
                kind = self._transform.final_kind(trans_id)
 
1909
            except NoSuchFile:
2161
1910
                kind = self._transform._tree.stored_kind(file_id)
2162
1911
            new_entry = inventory.make_entry(
2163
1912
                kind,
2248
1997
 
2249
1998
    def get_file_size(self, file_id):
2250
1999
        """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
2000
        if self.kind(file_id) == 'file':
2258
2001
            return self._transform._tree.get_file_size(file_id)
2259
2002
        else:
2260
2003
            return None
2261
2004
 
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
2005
    def get_file_sha1(self, file_id, path=None, stat_value=None):
2275
2006
        trans_id = self._transform.trans_id_file_id(file_id)
2276
2007
        kind = self._transform._new_contents.get(trans_id)
2299
2030
            except errors.NoSuchId:
2300
2031
                return False
2301
2032
 
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
2033
    def path_content_summary(self, path):
2312
2034
        trans_id = self._path2trans_id(path)
2313
2035
        tt = self._transform
2401
2123
                                   self.get_file(file_id).readlines(),
2402
2124
                                   default_revision)
2403
2125
 
2404
 
    def get_symlink_target(self, file_id, path=None):
 
2126
    def get_symlink_target(self, file_id):
2405
2127
        """See Tree.get_symlink_target"""
2406
2128
        if not self._content_change(file_id):
2407
2129
            return self._transform._tree.get_symlink_target(file_id)
2422
2144
                path_from_root = self._final_paths.get_path(child_id)
2423
2145
                basename = self._transform.final_name(child_id)
2424
2146
                file_id = self._transform.final_file_id(child_id)
2425
 
                kind  = self._transform.final_kind(child_id)
2426
 
                if kind is not None:
 
2147
                try:
 
2148
                    kind = self._transform.final_kind(child_id)
2427
2149
                    versioned_kind = kind
2428
 
                else:
 
2150
                except NoSuchFile:
2429
2151
                    kind = 'unknown'
2430
2152
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2431
2153
                if versioned_kind == 'directory':
2544
2266
    for num, _unused in enumerate(wt.all_file_ids()):
2545
2267
        if num > 0:  # more than just a root
2546
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)
2547
2272
    file_trans_id = {}
2548
 
    top_pb = ui.ui_factory.nested_progress_bar()
 
2273
    top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2549
2274
    pp = ProgressPhase("Build phase", 2, top_pb)
2550
2275
    if tree.inventory.root is not None:
2551
2276
        # This is kind of a hack: we should be altering the root
2564
2289
        pp.next_phase()
2565
2290
        file_trans_id[wt.get_root_id()] = \
2566
2291
            tt.trans_id_tree_file_id(wt.get_root_id())
2567
 
        pb = ui.ui_factory.nested_progress_bar()
 
2292
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
2568
2293
        try:
2569
2294
            deferred_contents = []
2570
2295
            num = 0
2573
2298
                precomputed_delta = []
2574
2299
            else:
2575
2300
                precomputed_delta = None
2576
 
            # Check if tree inventory has content. If so, we populate
2577
 
            # existing_files with the directory content. If there are no
2578
 
            # entries we skip populating existing_files as its not used.
2579
 
            # This improves performance and unncessary work on large
2580
 
            # directory trees. (#501307)
2581
 
            if total > 0:
2582
 
                existing_files = set()
2583
 
                for dir, files in wt.walkdirs():
2584
 
                    existing_files.update(f[0] for f in files)
2585
2301
            for num, (tree_path, entry) in \
2586
2302
                enumerate(tree.inventory.iter_entries_by_dir()):
2587
 
                pb.update(gettext("Building tree"), num - len(deferred_contents), total)
 
2303
                pb.update("Building tree", num - len(deferred_contents), total)
2588
2304
                if entry.parent_id is None:
2589
2305
                    continue
2590
2306
                reparent = False
2617
2333
                    executable = tree.is_executable(file_id, tree_path)
2618
2334
                    if executable:
2619
2335
                        tt.set_executability(executable, trans_id)
2620
 
                    trans_data = (trans_id, tree_path, entry.text_sha1)
 
2336
                    trans_data = (trans_id, tree_path)
2621
2337
                    deferred_contents.append((file_id, trans_data))
2622
2338
                else:
2623
2339
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2639
2355
            precomputed_delta = None
2640
2356
        conflicts = cook_conflicts(raw_conflicts, tt)
2641
2357
        for conflict in conflicts:
2642
 
            trace.warning(unicode(conflict))
 
2358
            warning(conflict)
2643
2359
        try:
2644
2360
            wt.add_conflicts(conflicts)
2645
2361
        except errors.UnsupportedOperation:
2668
2384
        unchanged = dict(unchanged)
2669
2385
        new_desired_files = []
2670
2386
        count = 0
2671
 
        for file_id, (trans_id, tree_path, text_sha1) in desired_files:
 
2387
        for file_id, (trans_id, tree_path) in desired_files:
2672
2388
            accelerator_path = unchanged.get(file_id)
2673
2389
            if accelerator_path is None:
2674
 
                new_desired_files.append((file_id,
2675
 
                    (trans_id, tree_path, text_sha1)))
 
2390
                new_desired_files.append((file_id, (trans_id, tree_path)))
2676
2391
                continue
2677
 
            pb.update(gettext('Adding file contents'), count + offset, total)
 
2392
            pb.update('Adding file contents', count + offset, total)
2678
2393
            if hardlink:
2679
2394
                tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2680
2395
                                   trans_id)
2685
2400
                    contents = filtered_output_bytes(contents, filters,
2686
2401
                        ContentFilterContext(tree_path, tree))
2687
2402
                try:
2688
 
                    tt.create_file(contents, trans_id, sha1=text_sha1)
 
2403
                    tt.create_file(contents, trans_id)
2689
2404
                finally:
2690
2405
                    try:
2691
2406
                        contents.close()
2694
2409
                        pass
2695
2410
            count += 1
2696
2411
        offset += count
2697
 
    for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
 
2412
    for count, ((trans_id, tree_path), contents) in enumerate(
2698
2413
            tree.iter_files_bytes(new_desired_files)):
2699
2414
        if wt.supports_content_filtering():
2700
2415
            filters = wt._content_filter_stack(tree_path)
2701
2416
            contents = filtered_output_bytes(contents, filters,
2702
2417
                ContentFilterContext(tree_path, tree))
2703
 
        tt.create_file(contents, trans_id, sha1=text_sha1)
2704
 
        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)
2705
2420
 
2706
2421
 
2707
2422
def _reparent_children(tt, old_parent, new_parent):
2708
2423
    for child in tt.iter_tree_children(old_parent):
2709
2424
        tt.adjust_path(tt.final_name(child), new_parent, child)
2710
2425
 
2711
 
 
2712
2426
def _reparent_transform_children(tt, old_parent, new_parent):
2713
2427
    by_parent = tt.by_parent()
2714
2428
    for child in by_parent[old_parent]:
2715
2429
        tt.adjust_path(tt.final_name(child), new_parent, child)
2716
2430
    return by_parent[old_parent]
2717
2431
 
2718
 
 
2719
2432
def _content_match(tree, entry, file_id, kind, target_path):
2720
2433
    if entry.kind != kind:
2721
2434
        return False
2722
2435
    if entry.kind == "directory":
2723
2436
        return True
2724
2437
    if entry.kind == "file":
2725
 
        f = file(target_path, 'rb')
2726
 
        try:
2727
 
            if tree.get_file_text(file_id) == f.read():
2728
 
                return True
2729
 
        finally:
2730
 
            f.close()
 
2438
        if tree.get_file(file_id).read() == file(target_path, 'rb').read():
 
2439
            return True
2731
2440
    elif entry.kind == "symlink":
2732
2441
        if tree.get_symlink_target(file_id) == os.readlink(target_path):
2733
2442
            return True
2785
2494
        raise errors.BadFileKindError(name, kind)
2786
2495
 
2787
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
 
2788
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2789
2514
    filter_tree_path=None):
2790
2515
    """Create new file contents according to tree contents.
2821
2546
        tt.set_executability(entry.executable, trans_id)
2822
2547
 
2823
2548
 
2824
 
@deprecated_function(deprecated_in((2, 3, 0)))
2825
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2826
2550
    return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2827
2551
 
2828
2552
 
2829
 
@deprecated_function(deprecated_in((2, 3, 0)))
2830
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2831
2554
    """Produce a backup-style name that appears to be available"""
2832
2555
    def name_gen():
2881
2604
                unversioned_filter=working_tree.is_ignored)
2882
2605
            delta.report_changes(tt.iter_changes(), change_reporter)
2883
2606
        for conflict in conflicts:
2884
 
            trace.warning(unicode(conflict))
 
2607
            warning(conflict)
2885
2608
        pp.next_phase()
2886
2609
        tt.apply()
2887
2610
        working_tree.set_merge_modified(merge_modified)
2895
2618
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2896
2619
                              backups, pp, basis_tree=None,
2897
2620
                              merge_modified=None):
2898
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2621
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2899
2622
    try:
2900
2623
        if merge_modified is None:
2901
2624
            merge_modified = working_tree.merge_modified()
2904
2627
                                      merge_modified, basis_tree)
2905
2628
    finally:
2906
2629
        child_pb.finished()
2907
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2630
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2908
2631
    try:
2909
2632
        raw_conflicts = resolve_conflicts(tt, child_pb,
2910
2633
            lambda t, c: conflict_pass(t, c, target_tree))
2918
2641
                 backups, merge_modified, basis_tree=None):
2919
2642
    if basis_tree is not None:
2920
2643
        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,
 
2644
    change_list = target_tree.iter_changes(working_tree,
2926
2645
        specific_files=specific_files, pb=pb)
2927
2646
    if target_tree.get_root_id() is None:
2928
2647
        skip_root = True
2932
2651
        deferred_files = []
2933
2652
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2934
2653
                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:
 
2654
            if skip_root and file_id[0] is not None and parent[0] is None:
2942
2655
                continue
2943
2656
            trans_id = tt.trans_id_file_id(file_id)
2944
2657
            mode_id = None
2945
2658
            if changed_content:
2946
2659
                keep_content = False
2947
 
                if wt_kind == 'file' and (backups or target_kind is None):
 
2660
                if kind[0] == 'file' and (backups or kind[1] is None):
2948
2661
                    wt_sha1 = working_tree.get_file_sha1(file_id)
2949
2662
                    if merge_modified.get(file_id) != wt_sha1:
2950
2663
                        # acquire the basis tree lazily to prevent the
2953
2666
                        if basis_tree is None:
2954
2667
                            basis_tree = working_tree.basis_tree()
2955
2668
                            basis_tree.lock_read()
2956
 
                        if basis_tree.has_id(file_id):
 
2669
                        if file_id in basis_tree:
2957
2670
                            if wt_sha1 != basis_tree.get_file_sha1(file_id):
2958
2671
                                keep_content = True
2959
 
                        elif target_kind is None and not target_versioned:
 
2672
                        elif kind[1] is None and not versioned[1]:
2960
2673
                            keep_content = True
2961
 
                if wt_kind is not None:
 
2674
                if kind[0] is not None:
2962
2675
                    if not keep_content:
2963
2676
                        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)
 
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)
2968
2682
                        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:
 
2683
                        new_trans_id = tt.create_path(name[0], parent_trans_id)
 
2684
                        if versioned == (True, True):
2971
2685
                            tt.unversion_file(trans_id)
2972
2686
                            tt.version_file(file_id, new_trans_id)
2973
2687
                        # New contents should have the same unix perms as old
2974
2688
                        # contents
2975
2689
                        mode_id = trans_id
2976
2690
                        trans_id = new_trans_id
2977
 
                if target_kind in ('directory', 'tree-reference'):
 
2691
                if kind[1] in ('directory', 'tree-reference'):
2978
2692
                    tt.create_directory(trans_id)
2979
 
                    if target_kind == 'tree-reference':
 
2693
                    if kind[1] == 'tree-reference':
2980
2694
                        revision = target_tree.get_reference_revision(file_id,
2981
 
                                                                      target_path)
 
2695
                                                                      path[1])
2982
2696
                        tt.set_tree_reference(revision, trans_id)
2983
 
                elif target_kind == 'symlink':
 
2697
                elif kind[1] == 'symlink':
2984
2698
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2985
2699
                                      trans_id)
2986
 
                elif target_kind == 'file':
 
2700
                elif kind[1] == 'file':
2987
2701
                    deferred_files.append((file_id, (trans_id, mode_id)))
2988
2702
                    if basis_tree is None:
2989
2703
                        basis_tree = working_tree.basis_tree()
2990
2704
                        basis_tree.lock_read()
2991
2705
                    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)):
 
2706
                    if (file_id in basis_tree and new_sha1 ==
 
2707
                        basis_tree.get_file_sha1(file_id)):
2994
2708
                        if file_id in merge_modified:
2995
2709
                            del merge_modified[file_id]
2996
2710
                    else:
2997
2711
                        merge_modified[file_id] = new_sha1
2998
2712
 
2999
2713
                    # 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:
 
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):
3005
2719
                tt.version_file(file_id, trans_id)
3006
 
            if wt_versioned and not target_versioned:
 
2720
            if versioned == (True, False):
3007
2721
                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:
 
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:
3011
2725
                    parent_trans = ROOT_PARENT
3012
2726
                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)
 
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)
3016
2730
                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)
 
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)
3020
2734
        if working_tree.supports_content_filtering():
3021
2735
            for index, ((trans_id, mode_id), bytes) in enumerate(
3022
2736
                target_tree.iter_files_bytes(deferred_files)):
3048
2762
    pb = ui.ui_factory.nested_progress_bar()
3049
2763
    try:
3050
2764
        for n in range(10):
3051
 
            pb.update(gettext('Resolution pass'), n+1, 10)
 
2765
            pb.update('Resolution pass', n+1, 10)
3052
2766
            conflicts = tt.find_conflicts()
3053
2767
            if len(conflicts) == 0:
3054
2768
                return new_conflicts
3093
2807
 
3094
2808
        elif c_type == 'missing parent':
3095
2809
            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:
 
2810
            try:
 
2811
                tt.cancel_deletion(trans_id)
 
2812
                new_conflicts.add(('deleting parent', 'Not deleting',
 
2813
                                   trans_id))
 
2814
            except KeyError:
3120
2815
                create = True
3121
2816
                try:
3122
2817
                    tt.final_name(trans_id)
3125
2820
                        file_id = tt.final_file_id(trans_id)
3126
2821
                        if file_id is None:
3127
2822
                            file_id = tt.inactive_file_id(trans_id)
3128
 
                        _, entry = path_tree.iter_entries_by_dir(
3129
 
                            [file_id]).next()
 
2823
                        entry = path_tree.inventory[file_id]
3130
2824
                        # special-case the other tree root (move its
3131
2825
                        # children to current root)
3132
2826
                        if entry.parent_id is None:
3133
 
                            create = False
 
2827
                            create=False
3134
2828
                            moved = _reparent_transform_children(
3135
2829
                                tt, trans_id, tt.root)
3136
2830
                            for child in moved:
3147
2841
        elif c_type == 'unversioned parent':
3148
2842
            file_id = tt.inactive_file_id(conflict[1])
3149
2843
            # 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
 
2844
            if path_tree and file_id in path_tree:
 
2845
                if path_tree.inventory[file_id].parent_id is None:
3153
2846
                    continue
3154
2847
            tt.version_file(file_id, conflict[1])
3155
2848
            new_conflicts.add((c_type, 'Versioned directory', conflict[1]))
3171
2864
 
3172
2865
def cook_conflicts(raw_conflicts, tt):
3173
2866
    """Generate a list of cooked conflicts, sorted by file path"""
 
2867
    from bzrlib.conflicts import Conflict
3174
2868
    conflict_iter = iter_cook_conflicts(raw_conflicts, tt)
3175
 
    return sorted(conflict_iter, key=conflicts.Conflict.sort_key)
 
2869
    return sorted(conflict_iter, key=Conflict.sort_key)
3176
2870
 
3177
2871
 
3178
2872
def iter_cook_conflicts(raw_conflicts, tt):
 
2873
    from bzrlib.conflicts import Conflict
3179
2874
    fp = FinalPaths(tt)
3180
2875
    for conflict in raw_conflicts:
3181
2876
        c_type = conflict[0]
3183
2878
        modified_path = fp.get_path(conflict[2])
3184
2879
        modified_id = tt.final_file_id(conflict[2])
3185
2880
        if len(conflict) == 3:
3186
 
            yield conflicts.Conflict.factory(
3187
 
                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)
3188
2883
 
3189
2884
        else:
3190
2885
            conflicting_path = fp.get_path(conflict[3])
3191
2886
            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)
 
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)
3197
2891
 
3198
2892
 
3199
2893
class _FileMover(object):
3204
2898
        self.pending_deletions = []
3205
2899
 
3206
2900
    def rename(self, from_, to):
3207
 
        """Rename a file from one path to another."""
 
2901
        """Rename a file from one path to another.  Functions like os.rename"""
3208
2902
        try:
3209
2903
            os.rename(from_, to)
3210
2904
        except OSError, e:
3211
2905
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3212
2906
                raise errors.FileExists(to, str(e))
3213
 
            # normal OSError doesn't include filenames so it's hard to see where
3214
 
            # the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
3215
 
            raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
 
2907
            raise
3216
2908
        self.past_renames.append((from_, to))
3217
2909
 
3218
2910
    def pre_delete(self, from_, to):
3228
2920
    def rollback(self):
3229
2921
        """Reverse all renames that have been performed"""
3230
2922
        for from_, to in reversed(self.past_renames):
3231
 
            try:
3232
 
                os.rename(to, from_)
3233
 
            except OSError, e:
3234
 
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
 
2923
            os.rename(to, from_)
3235
2924
        # after rollback, don't reuse _FileMover
3236
2925
        past_renames = None
3237
2926
        pending_deletions = None