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  • Committer: Martin Pool
  • Date: 2011-08-24 09:34:35 UTC
  • mto: (6015.33.12 2.4)
  • mto: This revision was merged to the branch mainline in revision 6233.
  • Revision ID: mbp@canonical.com-20110824093435-h4tckaau084ywpcv
Correction to 'bzr serve' syntax in admin guide (thanks i41)

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1
 
# Copyright (C) 2006-2010 Canonical Ltd
 
1
# Copyright (C) 2006-2011 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.lazy_import import lazy_import
23
 
lazy_import(globals(), """
 
22
from bzrlib import (
 
23
    errors,
 
24
    lazy_import,
 
25
    registry,
 
26
    trace,
 
27
    tree,
 
28
    )
 
29
lazy_import.lazy_import(globals(), """
24
30
from bzrlib import (
25
31
    annotate,
26
32
    bencode,
27
33
    bzrdir,
 
34
    commit,
 
35
    conflicts,
28
36
    delta,
29
37
    errors,
30
38
    inventory,
32
40
    osutils,
33
41
    revision as _mod_revision,
34
42
    ui,
 
43
    urlutils,
35
44
    )
36
45
""")
37
46
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
39
48
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
40
49
                           UnableCreateSymlink)
41
50
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
42
 
from bzrlib.inventory import InventoryEntry
43
51
from bzrlib.osutils import (
44
52
    delete_any,
45
53
    file_kind,
46
54
    has_symlinks,
47
 
    lexists,
48
55
    pathjoin,
49
56
    sha_file,
50
57
    splitpath,
51
58
    supports_executable,
52
 
)
 
59
    )
53
60
from bzrlib.progress import ProgressPhase
54
61
from bzrlib.symbol_versioning import (
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
 
62
    deprecated_function,
 
63
    deprecated_in,
 
64
    deprecated_method,
 
65
    )
62
66
 
63
67
 
64
68
ROOT_PARENT = "root-parent"
65
69
 
66
 
 
67
70
def unique_add(map, key, value):
68
71
    if key in map:
69
72
        raise DuplicateKey(key=key)
70
73
    map[key] = value
71
74
 
72
75
 
 
76
 
73
77
class _TransformResults(object):
74
78
    def __init__(self, modified_paths, rename_count):
75
79
        object.__init__(self)
99
103
        self._new_parent = {}
100
104
        # mapping of trans_id with new contents -> new file_kind
101
105
        self._new_contents = {}
 
106
        # mapping of trans_id => (sha1 of content, stat_value)
 
107
        self._observed_sha1s = {}
102
108
        # Set of trans_ids whose contents will be removed
103
109
        self._removed_contents = set()
104
110
        # Mapping of trans_id -> new execute-bit value
123
129
            self._new_root = self.trans_id_tree_file_id(root_id)
124
130
        else:
125
131
            self._new_root = None
126
 
        # Indictor of whether the transform has been applied
 
132
        # Indicator of whether the transform has been applied
127
133
        self._done = False
128
134
        # A progress bar
129
135
        self._pb = pb
132
138
        # A counter of how many files have been renamed
133
139
        self.rename_count = 0
134
140
 
 
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
 
135
149
    def finalize(self):
136
150
        """Release the working tree lock, if held.
137
151
 
212
226
        This means that the old root trans-id becomes obsolete, so it is
213
227
        recommended only to invoke this after the root trans-id has become
214
228
        irrelevant.
 
229
 
215
230
        """
216
231
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
217
232
                     ROOT_PARENT]
218
233
        if len(new_roots) < 1:
 
234
            if self.final_kind(self.root) is None:
 
235
                self.cancel_deletion(self.root)
 
236
            if self.final_file_id(self.root) is None:
 
237
                self.version_file(self.tree_file_id(self.root),
 
238
                                     self.root)
219
239
            return
220
240
        if len(new_roots) != 1:
221
241
            raise ValueError('A tree cannot have two roots!')
223
243
            self._new_root = new_roots[0]
224
244
            return
225
245
        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
 
 
231
246
        # unversion the new root's directory.
232
 
        file_id = self.final_file_id(old_new_root)
 
247
        if self.final_kind(self._new_root) is None:
 
248
            file_id = self.final_file_id(old_new_root)
 
249
        else:
 
250
            file_id = self.final_file_id(self._new_root)
233
251
        if old_new_root in self._new_id:
234
252
            self.cancel_versioning(old_new_root)
235
253
        else:
239
257
        if (self.tree_file_id(self._new_root) is not None and
240
258
            self._new_root not in self._removed_id):
241
259
            self.unversion_file(self._new_root)
242
 
        self.version_file(file_id, self._new_root)
 
260
        if file_id is not None:
 
261
            self.version_file(file_id, self._new_root)
243
262
 
244
263
        # Now move children of new root into old root directory.
245
264
        # Ensure all children are registered with the transaction, but don't
314
333
 
315
334
    def delete_contents(self, trans_id):
316
335
        """Schedule the contents of a path entry for deletion"""
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)
 
336
        kind = self.tree_kind(trans_id)
 
337
        if kind is not None:
 
338
            self._removed_contents.add(trans_id)
321
339
 
322
340
    def cancel_deletion(self, trans_id):
323
341
        """Cancel a scheduled deletion"""
380
398
        return sorted(FinalPaths(self).get_paths(new_ids))
381
399
 
382
400
    def _inventory_altered(self):
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,
 
401
        """Determine which trans_ids need new Inventory entries.
 
402
 
 
403
        An new entry is needed when anything that would be reflected by an
 
404
        inventory entry changes, including file name, file_id, parent file_id,
 
405
        file kind, and the execute bit.
 
406
 
 
407
        Some care is taken to return entries with real changes, not cases
 
408
        where the value is deleted and then restored to its original value,
 
409
        but some actually unchanged values may be returned.
 
410
 
 
411
        :returns: A list of (path, trans_id) for all items requiring an
 
412
            inventory change. Ordered by path.
 
413
        """
 
414
        changed_ids = set()
 
415
        # Find entries whose file_ids are new (or changed).
 
416
        new_file_id = set(t for t in self._new_id
 
417
                          if self._new_id[t] != self.tree_file_id(t))
 
418
        for id_set in [self._new_name, self._new_parent, new_file_id,
386
419
                       self._new_executability]:
387
 
            new_ids.update(id_set)
 
420
            changed_ids.update(id_set)
 
421
        # removing implies a kind change
388
422
        changed_kind = set(self._removed_contents)
 
423
        # so does adding
389
424
        changed_kind.intersection_update(self._new_contents)
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))
 
425
        # Ignore entries that are already known to have changed.
 
426
        changed_kind.difference_update(changed_ids)
 
427
        #  to keep only the truly changed ones
 
428
        changed_kind = (t for t in changed_kind
 
429
                        if self.tree_kind(t) != self.final_kind(t))
 
430
        # all kind changes will alter the inventory
 
431
        changed_ids.update(changed_kind)
 
432
        # To find entries with changed parent_ids, find parents which existed,
 
433
        # but changed file_id.
 
434
        changed_file_id = set(t for t in new_file_id if t in self._removed_id)
 
435
        # Now add all their children to the set.
 
436
        for parent_trans_id in new_file_id:
 
437
            changed_ids.update(self.iter_tree_children(parent_trans_id))
 
438
        return sorted(FinalPaths(self).get_paths(changed_ids))
395
439
 
396
440
    def final_kind(self, trans_id):
397
441
        """Determine the final file kind, after any changes applied.
398
442
 
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)
 
443
        :return: None if the file does not exist/has no contents.  (It is
 
444
            conceivable that a path would be created without the corresponding
 
445
            contents insertion command)
402
446
        """
403
447
        if trans_id in self._new_contents:
404
448
            return self._new_contents[trans_id]
405
449
        elif trans_id in self._removed_contents:
406
 
            raise NoSuchFile(None)
 
450
            return None
407
451
        else:
408
452
            return self.tree_kind(trans_id)
409
453
 
522
566
        for trans_id in self._removed_id:
523
567
            file_id = self.tree_file_id(trans_id)
524
568
            if file_id is not None:
 
569
                # XXX: This seems like something that should go via a different
 
570
                #      indirection.
525
571
                if self._tree.inventory[file_id].kind == 'directory':
526
572
                    parents.append(trans_id)
527
573
            elif self.tree_kind(trans_id) == 'directory':
531
577
            # ensure that all children are registered with the transaction
532
578
            list(self.iter_tree_children(parent_id))
533
579
 
 
580
    @deprecated_method(deprecated_in((2, 3, 0)))
534
581
    def has_named_child(self, by_parent, parent_id, name):
535
 
        try:
536
 
            children = by_parent[parent_id]
537
 
        except KeyError:
538
 
            children = []
539
 
        for child in children:
 
582
        return self._has_named_child(
 
583
            name, parent_id, known_children=by_parent.get(parent_id, []))
 
584
 
 
585
    def _has_named_child(self, name, parent_id, known_children):
 
586
        """Does a parent already have a name child.
 
587
 
 
588
        :param name: The searched for name.
 
589
 
 
590
        :param parent_id: The parent for which the check is made.
 
591
 
 
592
        :param known_children: The already known children. This should have
 
593
            been recently obtained from `self.by_parent.get(parent_id)`
 
594
            (or will be if None is passed).
 
595
        """
 
596
        if known_children is None:
 
597
            known_children = self.by_parent().get(parent_id, [])
 
598
        for child in known_children:
540
599
            if self.final_name(child) == name:
541
600
                return True
542
 
        try:
543
 
            path = self._tree_id_paths[parent_id]
544
 
        except KeyError:
 
601
        parent_path = self._tree_id_paths.get(parent_id, None)
 
602
        if parent_path is None:
 
603
            # No parent... no children
545
604
            return False
546
 
        childpath = joinpath(path, name)
547
 
        child_id = self._tree_path_ids.get(childpath)
 
605
        child_path = joinpath(parent_path, name)
 
606
        child_id = self._tree_path_ids.get(child_path, None)
548
607
        if child_id is None:
549
 
            return lexists(self._tree.abspath(childpath))
 
608
            # Not known by the tree transform yet, check the filesystem
 
609
            return osutils.lexists(self._tree.abspath(child_path))
550
610
        else:
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
 
611
            raise AssertionError('child_id is missing: %s, %s, %s'
 
612
                                 % (name, parent_id, child_id))
 
613
 
 
614
    def _available_backup_name(self, name, target_id):
 
615
        """Find an available backup name.
 
616
 
 
617
        :param name: The basename of the file.
 
618
 
 
619
        :param target_id: The directory trans_id where the backup should 
 
620
            be placed.
 
621
        """
 
622
        known_children = self.by_parent().get(target_id, [])
 
623
        return osutils.available_backup_name(
 
624
            name,
 
625
            lambda base: self._has_named_child(
 
626
                base, target_id, known_children))
558
627
 
559
628
    def _parent_loops(self):
560
629
        """No entry should be its own ancestor"""
595
664
        """
596
665
        conflicts = []
597
666
        for trans_id in self._new_id.iterkeys():
598
 
            try:
599
 
                kind = self.final_kind(trans_id)
600
 
            except NoSuchFile:
 
667
            kind = self.final_kind(trans_id)
 
668
            if kind is None:
601
669
                conflicts.append(('versioning no contents', trans_id))
602
670
                continue
603
 
            if not InventoryEntry.versionable_kind(kind):
 
671
            if not inventory.InventoryEntry.versionable_kind(kind):
604
672
                conflicts.append(('versioning bad kind', trans_id, kind))
605
673
        return conflicts
606
674
 
617
685
            if self.final_file_id(trans_id) is None:
618
686
                conflicts.append(('unversioned executability', trans_id))
619
687
            else:
620
 
                try:
621
 
                    non_file = self.final_kind(trans_id) != "file"
622
 
                except NoSuchFile:
623
 
                    non_file = True
624
 
                if non_file is True:
 
688
                if self.final_kind(trans_id) != "file":
625
689
                    conflicts.append(('non-file executability', trans_id))
626
690
        return conflicts
627
691
 
629
693
        """Check for overwrites (not permitted on Win32)"""
630
694
        conflicts = []
631
695
        for trans_id in self._new_contents:
632
 
            try:
633
 
                self.tree_kind(trans_id)
634
 
            except NoSuchFile:
 
696
            if self.tree_kind(trans_id) is None:
635
697
                continue
636
698
            if trans_id not in self._removed_contents:
637
699
                conflicts.append(('overwrite', trans_id,
644
706
        if (self._new_name, self._new_parent) == ({}, {}):
645
707
            return conflicts
646
708
        for children in by_parent.itervalues():
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]
 
709
            name_ids = []
 
710
            for child_tid in children:
 
711
                name = self.final_name(child_tid)
 
712
                if name is not None:
 
713
                    # Keep children only if they still exist in the end
 
714
                    if not self._case_sensitive_target:
 
715
                        name = name.lower()
 
716
                    name_ids.append((name, child_tid))
650
717
            name_ids.sort()
651
718
            last_name = None
652
719
            last_trans_id = None
653
720
            for name, trans_id in name_ids:
654
 
                try:
655
 
                    kind = self.final_kind(trans_id)
656
 
                except NoSuchFile:
657
 
                    kind = None
 
721
                kind = self.final_kind(trans_id)
658
722
                file_id = self.final_file_id(trans_id)
659
723
                if kind is None and file_id is None:
660
724
                    continue
679
743
        return conflicts
680
744
 
681
745
    def _parent_type_conflicts(self, by_parent):
682
 
        """parents must have directory 'contents'."""
 
746
        """Children must have a directory parent"""
683
747
        conflicts = []
684
748
        for parent_id, children in by_parent.iteritems():
685
749
            if parent_id is ROOT_PARENT:
686
750
                continue
687
 
            if not self._any_contents(children):
 
751
            no_children = True
 
752
            for child_id in children:
 
753
                if self.final_kind(child_id) is not None:
 
754
                    no_children = False
 
755
                    break
 
756
            if no_children:
688
757
                continue
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
 
758
            # There is at least a child, so we need an existing directory to
 
759
            # contain it.
 
760
            kind = self.final_kind(parent_id)
698
761
            if kind is None:
 
762
                # The directory will be deleted
699
763
                conflicts.append(('missing parent', parent_id))
700
764
            elif kind != "directory":
 
765
                # Meh, we need a *directory* to put something in it
701
766
                conflicts.append(('non-directory parent', parent_id))
702
767
        return conflicts
703
768
 
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
 
 
714
769
    def _set_executability(self, path, trans_id):
715
770
        """Set the executability of versioned files """
716
771
        if supports_executable():
738
793
        return trans_id
739
794
 
740
795
    def new_file(self, name, parent_id, contents, file_id=None,
741
 
                 executable=None):
 
796
                 executable=None, sha1=None):
742
797
        """Convenience method to create files.
743
798
 
744
799
        name is the name of the file to create.
751
806
        trans_id = self._new_entry(name, parent_id, file_id)
752
807
        # TODO: rather than scheduling a set_executable call,
753
808
        # have create_file create the file with the right mode.
754
 
        self.create_file(contents, trans_id)
 
809
        self.create_file(contents, trans_id, sha1=sha1)
755
810
        if executable is not None:
756
811
            self.set_executability(executable, trans_id)
757
812
        return trans_id
780
835
        self.create_symlink(target, trans_id)
781
836
        return trans_id
782
837
 
 
838
    def new_orphan(self, trans_id, parent_id):
 
839
        """Schedule an item to be orphaned.
 
840
 
 
841
        When a directory is about to be removed, its children, if they are not
 
842
        versioned are moved out of the way: they don't have a parent anymore.
 
843
 
 
844
        :param trans_id: The trans_id of the existing item.
 
845
        :param parent_id: The parent trans_id of the item.
 
846
        """
 
847
        raise NotImplementedError(self.new_orphan)
 
848
 
 
849
    def _get_potential_orphans(self, dir_id):
 
850
        """Find the potential orphans in a directory.
 
851
 
 
852
        A directory can't be safely deleted if there are versioned files in it.
 
853
        If all the contained files are unversioned then they can be orphaned.
 
854
 
 
855
        The 'None' return value means that the directory contains at least one
 
856
        versioned file and should not be deleted.
 
857
 
 
858
        :param dir_id: The directory trans id.
 
859
 
 
860
        :return: A list of the orphan trans ids or None if at least one
 
861
             versioned file is present.
 
862
        """
 
863
        orphans = []
 
864
        # Find the potential orphans, stop if one item should be kept
 
865
        for child_tid in self.by_parent()[dir_id]:
 
866
            if child_tid in self._removed_contents:
 
867
                # The child is removed as part of the transform. Since it was
 
868
                # versioned before, it's not an orphan
 
869
                continue
 
870
            elif self.final_file_id(child_tid) is None:
 
871
                # The child is not versioned
 
872
                orphans.append(child_tid)
 
873
            else:
 
874
                # We have a versioned file here, searching for orphans is
 
875
                # meaningless.
 
876
                orphans = None
 
877
                break
 
878
        return orphans
 
879
 
783
880
    def _affected_ids(self):
784
881
        """Return the set of transform ids affected by the transform"""
785
882
        trans_ids = set(self._removed_id)
844
941
        Return a (name, parent, kind, executable) tuple
845
942
        """
846
943
        to_name = self.final_name(to_trans_id)
847
 
        try:
848
 
            to_kind = self.final_kind(to_trans_id)
849
 
        except NoSuchFile:
850
 
            to_kind = None
 
944
        to_kind = self.final_kind(to_trans_id)
851
945
        to_parent = self.final_file_id(self.final_parent(to_trans_id))
852
946
        if to_trans_id in self._new_executability:
853
947
            to_executable = self._new_executability[to_trans_id]
927
1021
        """
928
1022
        return _PreviewTree(self)
929
1023
 
930
 
    def commit(self, branch, message, merge_parents=None, strict=False):
 
1024
    def commit(self, branch, message, merge_parents=None, strict=False,
 
1025
               timestamp=None, timezone=None, committer=None, authors=None,
 
1026
               revprops=None, revision_id=None):
931
1027
        """Commit the result of this TreeTransform to a branch.
932
1028
 
933
1029
        :param branch: The branch to commit to.
934
1030
        :param message: The message to attach to the commit.
935
 
        :param merge_parents: Additional parents specified by pending merges.
 
1031
        :param merge_parents: Additional parent revision-ids specified by
 
1032
            pending merges.
 
1033
        :param strict: If True, abort the commit if there are unversioned
 
1034
            files.
 
1035
        :param timestamp: if not None, seconds-since-epoch for the time and
 
1036
            date.  (May be a float.)
 
1037
        :param timezone: Optional timezone for timestamp, as an offset in
 
1038
            seconds.
 
1039
        :param committer: Optional committer in email-id format.
 
1040
            (e.g. "J Random Hacker <jrandom@example.com>")
 
1041
        :param authors: Optional list of authors in email-id format.
 
1042
        :param revprops: Optional dictionary of revision properties.
 
1043
        :param revision_id: Optional revision id.  (Specifying a revision-id
 
1044
            may reduce performance for some non-native formats.)
936
1045
        :return: The revision_id of the revision committed.
937
1046
        """
938
1047
        self._check_malformed()
955
1064
        if self._tree.get_revision_id() != last_rev_id:
956
1065
            raise ValueError('TreeTransform not based on branch basis: %s' %
957
1066
                             self._tree.get_revision_id())
958
 
        builder = branch.get_commit_builder(parent_ids)
 
1067
        revprops = commit.Commit.update_revprops(revprops, branch, authors)
 
1068
        builder = branch.get_commit_builder(parent_ids,
 
1069
                                            timestamp=timestamp,
 
1070
                                            timezone=timezone,
 
1071
                                            committer=committer,
 
1072
                                            revprops=revprops,
 
1073
                                            revision_id=revision_id)
959
1074
        preview = self.get_preview_tree()
960
1075
        list(builder.record_iter_changes(preview, last_rev_id,
961
1076
                                         self.iter_changes()))
1079
1194
        self._deletiondir = None
1080
1195
        # A mapping of transform ids to their limbo filename
1081
1196
        self._limbo_files = {}
 
1197
        self._possibly_stale_limbo_files = set()
1082
1198
        # A mapping of transform ids to a set of the transform ids of children
1083
1199
        # that their limbo directory has
1084
1200
        self._limbo_children = {}
1097
1213
        if self._tree is None:
1098
1214
            return
1099
1215
        try:
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)
 
1216
            limbo_paths = self._limbo_files.values() + list(
 
1217
                self._possibly_stale_limbo_files)
 
1218
            limbo_paths = sorted(limbo_paths, reverse=True)
 
1219
            for path in limbo_paths:
 
1220
                try:
 
1221
                    delete_any(path)
 
1222
                except OSError, e:
 
1223
                    if e.errno != errno.ENOENT:
 
1224
                        raise
 
1225
                    # XXX: warn? perhaps we just got interrupted at an
 
1226
                    # inconvenient moment, but perhaps files are disappearing
 
1227
                    # from under us?
1105
1228
            try:
1106
1229
                delete_any(self._limbodir)
1107
1230
            except OSError:
1156
1279
        entries from _limbo_files, because they are now stale.
1157
1280
        """
1158
1281
        for trans_id in trans_ids:
1159
 
            old_path = self._limbo_files.pop(trans_id)
 
1282
            old_path = self._limbo_files[trans_id]
 
1283
            self._possibly_stale_limbo_files.add(old_path)
 
1284
            del self._limbo_files[trans_id]
1160
1285
            if trans_id not in self._new_contents:
1161
1286
                continue
1162
1287
            new_path = self._limbo_name(trans_id)
1163
 
            osutils.rename(old_path, new_path)
 
1288
            os.rename(old_path, new_path)
 
1289
            self._possibly_stale_limbo_files.remove(old_path)
1164
1290
            for descendant in self._limbo_descendants(trans_id):
1165
1291
                desc_path = self._limbo_files[descendant]
1166
1292
                desc_path = new_path + desc_path[len(old_path):]
1173
1299
            descendants.update(self._limbo_descendants(descendant))
1174
1300
        return descendants
1175
1301
 
1176
 
    def create_file(self, contents, trans_id, mode_id=None):
 
1302
    def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1303
        """Schedule creation of a new file.
1178
1304
 
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.
 
1305
        :seealso: new_file.
 
1306
 
 
1307
        :param contents: an iterator of strings, all of which will be written
 
1308
            to the target destination.
 
1309
        :param trans_id: TreeTransform handle
 
1310
        :param mode_id: If not None, force the mode of the target file to match
 
1311
            the mode of the object referenced by mode_id.
 
1312
            Otherwise, we will try to preserve mode bits of an existing file.
 
1313
        :param sha1: If the sha1 of this content is already known, pass it in.
 
1314
            We can use it to prevent future sha1 computations.
1186
1315
        """
1187
1316
        name = self._limbo_name(trans_id)
1188
1317
        f = open(name, 'wb')
1189
1318
        try:
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
 
 
 
1319
            unique_add(self._new_contents, trans_id, 'file')
1199
1320
            f.writelines(contents)
1200
1321
        finally:
1201
1322
            f.close()
1202
1323
        self._set_mtime(name)
1203
1324
        self._set_mode(trans_id, mode_id, S_ISREG)
 
1325
        # It is unfortunate we have to use lstat instead of fstat, but we just
 
1326
        # used utime and chmod on the file, so we need the accurate final
 
1327
        # details.
 
1328
        if sha1 is not None:
 
1329
            self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1204
1330
 
1205
1331
    def _read_file_chunks(self, trans_id):
1206
1332
        cur_file = open(self._limbo_name(trans_id), 'rb')
1265
1391
    def cancel_creation(self, trans_id):
1266
1392
        """Cancel the creation of new file contents."""
1267
1393
        del self._new_contents[trans_id]
 
1394
        if trans_id in self._observed_sha1s:
 
1395
            del self._observed_sha1s[trans_id]
1268
1396
        children = self._limbo_children.get(trans_id)
1269
1397
        # if this is a limbo directory with children, move them before removing
1270
1398
        # the directory
1274
1402
            del self._limbo_children_names[trans_id]
1275
1403
        delete_any(self._limbo_name(trans_id))
1276
1404
 
 
1405
    def new_orphan(self, trans_id, parent_id):
 
1406
        # FIXME: There is no tree config, so we use the branch one (it's weird
 
1407
        # to define it this way as orphaning can only occur in a working tree,
 
1408
        # but that's all we have (for now). It will find the option in
 
1409
        # locations.conf or bazaar.conf though) -- vila 20100916
 
1410
        conf = self._tree.branch.get_config()
 
1411
        conf_var_name = 'bzr.transform.orphan_policy'
 
1412
        orphan_policy = conf.get_user_option(conf_var_name)
 
1413
        default_policy = orphaning_registry.default_key
 
1414
        if orphan_policy is None:
 
1415
            orphan_policy = default_policy
 
1416
        if orphan_policy not in orphaning_registry:
 
1417
            trace.warning('%s (from %s) is not a known policy, defaulting '
 
1418
                'to %s' % (orphan_policy, conf_var_name, default_policy))
 
1419
            orphan_policy = default_policy
 
1420
        handle_orphan = orphaning_registry.get(orphan_policy)
 
1421
        handle_orphan(self, trans_id, parent_id)
 
1422
 
 
1423
 
 
1424
class OrphaningError(errors.BzrError):
 
1425
 
 
1426
    # Only bugs could lead to such exception being seen by the user
 
1427
    internal_error = True
 
1428
    _fmt = "Error while orphaning %s in %s directory"
 
1429
 
 
1430
    def __init__(self, orphan, parent):
 
1431
        errors.BzrError.__init__(self)
 
1432
        self.orphan = orphan
 
1433
        self.parent = parent
 
1434
 
 
1435
 
 
1436
class OrphaningForbidden(OrphaningError):
 
1437
 
 
1438
    _fmt = "Policy: %s doesn't allow creating orphans."
 
1439
 
 
1440
    def __init__(self, policy):
 
1441
        errors.BzrError.__init__(self)
 
1442
        self.policy = policy
 
1443
 
 
1444
 
 
1445
def move_orphan(tt, orphan_id, parent_id):
 
1446
    """See TreeTransformBase.new_orphan.
 
1447
 
 
1448
    This creates a new orphan in the `bzr-orphans` dir at the root of the
 
1449
    `TreeTransform`.
 
1450
 
 
1451
    :param tt: The TreeTransform orphaning `trans_id`.
 
1452
 
 
1453
    :param orphan_id: The trans id that should be orphaned.
 
1454
 
 
1455
    :param parent_id: The orphan parent trans id.
 
1456
    """
 
1457
    # Add the orphan dir if it doesn't exist
 
1458
    orphan_dir_basename = 'bzr-orphans'
 
1459
    od_id = tt.trans_id_tree_path(orphan_dir_basename)
 
1460
    if tt.final_kind(od_id) is None:
 
1461
        tt.create_directory(od_id)
 
1462
    parent_path = tt._tree_id_paths[parent_id]
 
1463
    # Find a name that doesn't exist yet in the orphan dir
 
1464
    actual_name = tt.final_name(orphan_id)
 
1465
    new_name = tt._available_backup_name(actual_name, od_id)
 
1466
    tt.adjust_path(new_name, od_id, orphan_id)
 
1467
    trace.warning('%s has been orphaned in %s'
 
1468
                  % (joinpath(parent_path, actual_name), orphan_dir_basename))
 
1469
 
 
1470
 
 
1471
def refuse_orphan(tt, orphan_id, parent_id):
 
1472
    """See TreeTransformBase.new_orphan.
 
1473
 
 
1474
    This refuses to create orphan, letting the caller handle the conflict.
 
1475
    """
 
1476
    raise OrphaningForbidden('never')
 
1477
 
 
1478
 
 
1479
orphaning_registry = registry.Registry()
 
1480
orphaning_registry.register(
 
1481
    'conflict', refuse_orphan,
 
1482
    'Leave orphans in place and create a conflict on the directory.')
 
1483
orphaning_registry.register(
 
1484
    'move', move_orphan,
 
1485
    'Move orphans into the bzr-orphans directory.')
 
1486
orphaning_registry._set_default_key('conflict')
 
1487
 
1277
1488
 
1278
1489
class TreeTransform(DiskTreeTransform):
1279
1490
    """Represent a tree transformation.
1397
1608
    def tree_kind(self, trans_id):
1398
1609
        """Determine the file kind in the working tree.
1399
1610
 
1400
 
        Raises NoSuchFile if the file does not exist
 
1611
        :returns: The file kind or None if the file does not exist
1401
1612
        """
1402
1613
        path = self._tree_id_paths.get(trans_id)
1403
1614
        if path is None:
1404
 
            raise NoSuchFile(None)
 
1615
            return None
1405
1616
        try:
1406
1617
            return file_kind(self._tree.abspath(path))
1407
 
        except OSError, e:
1408
 
            if e.errno != errno.ENOENT:
1409
 
                raise
1410
 
            else:
1411
 
                raise NoSuchFile(path)
 
1618
        except errors.NoSuchFile:
 
1619
            return None
1412
1620
 
1413
1621
    def _set_mode(self, trans_id, mode_id, typefunc):
1414
1622
        """Set the mode of new file contents.
1520
1728
        """
1521
1729
        if not no_conflicts:
1522
1730
            self._check_malformed()
1523
 
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
1731
        child_pb = ui.ui_factory.nested_progress_bar()
1524
1732
        try:
1525
1733
            if precomputed_delta is None:
1526
1734
                child_pb.update('Apply phase', 0, 2)
1546
1754
        finally:
1547
1755
            child_pb.finished()
1548
1756
        self._tree.apply_inventory_delta(inventory_delta)
 
1757
        self._apply_observed_sha1s()
1549
1758
        self._done = True
1550
1759
        self.finalize()
1551
1760
        return _TransformResults(modified_paths, self.rename_count)
1553
1762
    def _generate_inventory_delta(self):
1554
1763
        """Generate an inventory delta for the current transform."""
1555
1764
        inventory_delta = []
1556
 
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
1765
        child_pb = ui.ui_factory.nested_progress_bar()
1557
1766
        new_paths = self._inventory_altered()
1558
1767
        total_entries = len(new_paths) + len(self._removed_id)
1559
1768
        try:
1583
1792
                if file_id is None:
1584
1793
                    continue
1585
1794
                needs_entry = False
1586
 
                try:
1587
 
                    kind = self.final_kind(trans_id)
1588
 
                except NoSuchFile:
 
1795
                kind = self.final_kind(trans_id)
 
1796
                if kind is None:
1589
1797
                    kind = self._tree.stored_kind(file_id)
1590
1798
                parent_trans_id = self.final_parent(trans_id)
1591
1799
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1622
1830
        """
1623
1831
        tree_paths = list(self._tree_path_ids.iteritems())
1624
1832
        tree_paths.sort(reverse=True)
1625
 
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
1833
        child_pb = ui.ui_factory.nested_progress_bar()
1626
1834
        try:
1627
 
            for num, data in enumerate(tree_paths):
1628
 
                path, trans_id = data
 
1835
            for num, (path, trans_id) in enumerate(tree_paths):
 
1836
                # do not attempt to move root into a subdirectory of itself.
 
1837
                if path == '':
 
1838
                    continue
1629
1839
                child_pb.update('removing file', num, len(tree_paths))
1630
1840
                full_path = self._tree.abspath(path)
1631
1841
                if trans_id in self._removed_contents:
1635
1845
                      or trans_id in self._new_parent):
1636
1846
                    try:
1637
1847
                        mover.rename(full_path, self._limbo_name(trans_id))
1638
 
                    except OSError, e:
 
1848
                    except errors.TransformRenameFailed, e:
1639
1849
                        if e.errno != errno.ENOENT:
1640
1850
                            raise
1641
1851
                    else:
1657
1867
        modified_paths = []
1658
1868
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1659
1869
                                 new_paths)
1660
 
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
1870
        child_pb = ui.ui_factory.nested_progress_bar()
1661
1871
        try:
1662
1872
            for num, (path, trans_id) in enumerate(new_paths):
1663
1873
                if (num % 10) == 0:
1666
1876
                if trans_id in self._needs_rename:
1667
1877
                    try:
1668
1878
                        mover.rename(self._limbo_name(trans_id), full_path)
1669
 
                    except OSError, e:
 
1879
                    except errors.TransformRenameFailed, e:
1670
1880
                        # We may be renaming a dangling inventory id
1671
1881
                        if e.errno != errno.ENOENT:
1672
1882
                            raise
1673
1883
                    else:
1674
1884
                        self.rename_count += 1
 
1885
                    # TODO: if trans_id in self._observed_sha1s, we should
 
1886
                    #       re-stat the final target, since ctime will be
 
1887
                    #       updated by the change.
1675
1888
                if (trans_id in self._new_contents or
1676
1889
                    self.path_changed(trans_id)):
1677
1890
                    if trans_id in self._new_contents:
1678
1891
                        modified_paths.append(full_path)
1679
1892
                if trans_id in self._new_executability:
1680
1893
                    self._set_executability(path, trans_id)
 
1894
                if trans_id in self._observed_sha1s:
 
1895
                    o_sha1, o_st_val = self._observed_sha1s[trans_id]
 
1896
                    st = osutils.lstat(full_path)
 
1897
                    self._observed_sha1s[trans_id] = (o_sha1, st)
1681
1898
        finally:
1682
1899
            child_pb.finished()
 
1900
        for path, trans_id in new_paths:
 
1901
            # new_paths includes stuff like workingtree conflicts. Only the
 
1902
            # stuff in new_contents actually comes from limbo.
 
1903
            if trans_id in self._limbo_files:
 
1904
                del self._limbo_files[trans_id]
1683
1905
        self._new_contents.clear()
1684
1906
        return modified_paths
1685
1907
 
 
1908
    def _apply_observed_sha1s(self):
 
1909
        """After we have finished renaming everything, update observed sha1s
 
1910
 
 
1911
        This has to be done after self._tree.apply_inventory_delta, otherwise
 
1912
        it doesn't know anything about the files we are updating. Also, we want
 
1913
        to do this as late as possible, so that most entries end up cached.
 
1914
        """
 
1915
        # TODO: this doesn't update the stat information for directories. So
 
1916
        #       the first 'bzr status' will still need to rewrite
 
1917
        #       .bzr/checkout/dirstate. However, we at least don't need to
 
1918
        #       re-read all of the files.
 
1919
        # TODO: If the operation took a while, we could do a time.sleep(3) here
 
1920
        #       to allow the clock to tick over and ensure we won't have any
 
1921
        #       problems. (we could observe start time, and finish time, and if
 
1922
        #       it is less than eg 10% overhead, add a sleep call.)
 
1923
        paths = FinalPaths(self)
 
1924
        for trans_id, observed in self._observed_sha1s.iteritems():
 
1925
            path = paths.get_path(trans_id)
 
1926
            # We could get the file_id, but dirstate prefers to use the path
 
1927
            # anyway, and it is 'cheaper' to determine.
 
1928
            # file_id = self._new_id[trans_id]
 
1929
            self._tree._observed_sha1(None, path, observed)
 
1930
 
1686
1931
 
1687
1932
class TransformPreview(DiskTreeTransform):
1688
1933
    """A TreeTransform for generating preview trees.
1703
1948
    def tree_kind(self, trans_id):
1704
1949
        path = self._tree_id_paths.get(trans_id)
1705
1950
        if path is None:
1706
 
            raise NoSuchFile(None)
1707
 
        file_id = self._tree.path2id(path)
1708
 
        return self._tree.kind(file_id)
 
1951
            return None
 
1952
        kind = self._tree.path_content_summary(path)[0]
 
1953
        if kind == 'missing':
 
1954
            kind = None
 
1955
        return kind
1709
1956
 
1710
1957
    def _set_mode(self, trans_id, mode_id, typefunc):
1711
1958
        """Set the mode of new file contents.
1731
1978
            childpath = joinpath(path, child)
1732
1979
            yield self.trans_id_tree_path(childpath)
1733
1980
 
1734
 
 
1735
 
class _PreviewTree(tree.Tree):
 
1981
    def new_orphan(self, trans_id, parent_id):
 
1982
        raise NotImplementedError(self.new_orphan)
 
1983
 
 
1984
 
 
1985
class _PreviewTree(tree.InventoryTree):
1736
1986
    """Partial implementation of Tree to support show_diff_trees"""
1737
1987
 
1738
1988
    def __init__(self, transform):
1767
2017
                yield self._get_repository().revision_tree(revision_id)
1768
2018
 
1769
2019
    def _get_file_revision(self, file_id, vf, tree_revision):
1770
 
        parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
 
2020
        parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
1771
2021
                       self._iter_parent_trees()]
1772
2022
        vf.add_lines((file_id, tree_revision), parent_keys,
1773
 
                     self.get_file(file_id).readlines())
 
2023
                     self.get_file_lines(file_id))
1774
2024
        repo = self._get_repository()
1775
2025
        base_vf = repo.texts
1776
2026
        if base_vf not in vf.fallback_versionedfiles:
1777
2027
            vf.fallback_versionedfiles.append(base_vf)
1778
2028
        return tree_revision
1779
2029
 
1780
 
    def _stat_limbo_file(self, file_id):
1781
 
        trans_id = self._transform.trans_id_file_id(file_id)
 
2030
    def _stat_limbo_file(self, file_id=None, trans_id=None):
 
2031
        if trans_id is None:
 
2032
            trans_id = self._transform.trans_id_file_id(file_id)
1782
2033
        name = self._transform._limbo_name(trans_id)
1783
2034
        return os.lstat(name)
1784
2035
 
1798
2049
            executable = self.is_executable(file_id, path)
1799
2050
        return kind, executable, None
1800
2051
 
 
2052
    def is_locked(self):
 
2053
        return False
 
2054
 
1801
2055
    def lock_read(self):
1802
2056
        # Perhaps in theory, this should lock the TreeTransform?
1803
 
        pass
 
2057
        return self
1804
2058
 
1805
2059
    def unlock(self):
1806
2060
        pass
1904
2158
            if (specific_file_ids is not None
1905
2159
                and file_id not in specific_file_ids):
1906
2160
                continue
1907
 
            try:
1908
 
                kind = self._transform.final_kind(trans_id)
1909
 
            except NoSuchFile:
 
2161
            kind = self._transform.final_kind(trans_id)
 
2162
            if kind is None:
1910
2163
                kind = self._transform._tree.stored_kind(file_id)
1911
2164
            new_entry = inventory.make_entry(
1912
2165
                kind,
1997
2250
 
1998
2251
    def get_file_size(self, file_id):
1999
2252
        """See Tree.get_file_size"""
 
2253
        trans_id = self._transform.trans_id_file_id(file_id)
 
2254
        kind = self._transform.final_kind(trans_id)
 
2255
        if kind != 'file':
 
2256
            return None
 
2257
        if trans_id in self._transform._new_contents:
 
2258
            return self._stat_limbo_file(trans_id=trans_id).st_size
2000
2259
        if self.kind(file_id) == 'file':
2001
2260
            return self._transform._tree.get_file_size(file_id)
2002
2261
        else:
2030
2289
            except errors.NoSuchId:
2031
2290
                return False
2032
2291
 
 
2292
    def has_filename(self, path):
 
2293
        trans_id = self._path2trans_id(path)
 
2294
        if trans_id in self._transform._new_contents:
 
2295
            return True
 
2296
        elif trans_id in self._transform._removed_contents:
 
2297
            return False
 
2298
        else:
 
2299
            return self._transform._tree.has_filename(path)
 
2300
 
2033
2301
    def path_content_summary(self, path):
2034
2302
        trans_id = self._path2trans_id(path)
2035
2303
        tt = self._transform
2123
2391
                                   self.get_file(file_id).readlines(),
2124
2392
                                   default_revision)
2125
2393
 
2126
 
    def get_symlink_target(self, file_id):
 
2394
    def get_symlink_target(self, file_id, path=None):
2127
2395
        """See Tree.get_symlink_target"""
2128
2396
        if not self._content_change(file_id):
2129
2397
            return self._transform._tree.get_symlink_target(file_id)
2144
2412
                path_from_root = self._final_paths.get_path(child_id)
2145
2413
                basename = self._transform.final_name(child_id)
2146
2414
                file_id = self._transform.final_file_id(child_id)
2147
 
                try:
2148
 
                    kind = self._transform.final_kind(child_id)
 
2415
                kind  = self._transform.final_kind(child_id)
 
2416
                if kind is not None:
2149
2417
                    versioned_kind = kind
2150
 
                except NoSuchFile:
 
2418
                else:
2151
2419
                    kind = 'unknown'
2152
2420
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2153
2421
                if versioned_kind == 'directory':
2266
2534
    for num, _unused in enumerate(wt.all_file_ids()):
2267
2535
        if num > 0:  # more than just a root
2268
2536
            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)
2272
2537
    file_trans_id = {}
2273
 
    top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
2538
    top_pb = ui.ui_factory.nested_progress_bar()
2274
2539
    pp = ProgressPhase("Build phase", 2, top_pb)
2275
2540
    if tree.inventory.root is not None:
2276
2541
        # This is kind of a hack: we should be altering the root
2289
2554
        pp.next_phase()
2290
2555
        file_trans_id[wt.get_root_id()] = \
2291
2556
            tt.trans_id_tree_file_id(wt.get_root_id())
2292
 
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
2557
        pb = ui.ui_factory.nested_progress_bar()
2293
2558
        try:
2294
2559
            deferred_contents = []
2295
2560
            num = 0
2298
2563
                precomputed_delta = []
2299
2564
            else:
2300
2565
                precomputed_delta = None
 
2566
            # Check if tree inventory has content. If so, we populate
 
2567
            # existing_files with the directory content. If there are no
 
2568
            # entries we skip populating existing_files as its not used.
 
2569
            # This improves performance and unncessary work on large
 
2570
            # directory trees. (#501307)
 
2571
            if total > 0:
 
2572
                existing_files = set()
 
2573
                for dir, files in wt.walkdirs():
 
2574
                    existing_files.update(f[0] for f in files)
2301
2575
            for num, (tree_path, entry) in \
2302
2576
                enumerate(tree.inventory.iter_entries_by_dir()):
2303
2577
                pb.update("Building tree", num - len(deferred_contents), total)
2333
2607
                    executable = tree.is_executable(file_id, tree_path)
2334
2608
                    if executable:
2335
2609
                        tt.set_executability(executable, trans_id)
2336
 
                    trans_data = (trans_id, tree_path)
 
2610
                    trans_data = (trans_id, tree_path, entry.text_sha1)
2337
2611
                    deferred_contents.append((file_id, trans_data))
2338
2612
                else:
2339
2613
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2355
2629
            precomputed_delta = None
2356
2630
        conflicts = cook_conflicts(raw_conflicts, tt)
2357
2631
        for conflict in conflicts:
2358
 
            warning(conflict)
 
2632
            trace.warning(unicode(conflict))
2359
2633
        try:
2360
2634
            wt.add_conflicts(conflicts)
2361
2635
        except errors.UnsupportedOperation:
2384
2658
        unchanged = dict(unchanged)
2385
2659
        new_desired_files = []
2386
2660
        count = 0
2387
 
        for file_id, (trans_id, tree_path) in desired_files:
 
2661
        for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2388
2662
            accelerator_path = unchanged.get(file_id)
2389
2663
            if accelerator_path is None:
2390
 
                new_desired_files.append((file_id, (trans_id, tree_path)))
 
2664
                new_desired_files.append((file_id,
 
2665
                    (trans_id, tree_path, text_sha1)))
2391
2666
                continue
2392
2667
            pb.update('Adding file contents', count + offset, total)
2393
2668
            if hardlink:
2400
2675
                    contents = filtered_output_bytes(contents, filters,
2401
2676
                        ContentFilterContext(tree_path, tree))
2402
2677
                try:
2403
 
                    tt.create_file(contents, trans_id)
 
2678
                    tt.create_file(contents, trans_id, sha1=text_sha1)
2404
2679
                finally:
2405
2680
                    try:
2406
2681
                        contents.close()
2409
2684
                        pass
2410
2685
            count += 1
2411
2686
        offset += count
2412
 
    for count, ((trans_id, tree_path), contents) in enumerate(
 
2687
    for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2413
2688
            tree.iter_files_bytes(new_desired_files)):
2414
2689
        if wt.supports_content_filtering():
2415
2690
            filters = wt._content_filter_stack(tree_path)
2416
2691
            contents = filtered_output_bytes(contents, filters,
2417
2692
                ContentFilterContext(tree_path, tree))
2418
 
        tt.create_file(contents, trans_id)
 
2693
        tt.create_file(contents, trans_id, sha1=text_sha1)
2419
2694
        pb.update('Adding file contents', count + offset, total)
2420
2695
 
2421
2696
 
2423
2698
    for child in tt.iter_tree_children(old_parent):
2424
2699
        tt.adjust_path(tt.final_name(child), new_parent, child)
2425
2700
 
 
2701
 
2426
2702
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2703
    by_parent = tt.by_parent()
2428
2704
    for child in by_parent[old_parent]:
2429
2705
        tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2706
    return by_parent[old_parent]
2431
2707
 
 
2708
 
2432
2709
def _content_match(tree, entry, file_id, kind, target_path):
2433
2710
    if entry.kind != kind:
2434
2711
        return False
2435
2712
    if entry.kind == "directory":
2436
2713
        return True
2437
2714
    if entry.kind == "file":
2438
 
        if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2439
 
            return True
 
2715
        f = file(target_path, 'rb')
 
2716
        try:
 
2717
            if tree.get_file_text(file_id) == f.read():
 
2718
                return True
 
2719
        finally:
 
2720
            f.close()
2440
2721
    elif entry.kind == "symlink":
2441
2722
        if tree.get_symlink_target(file_id) == os.readlink(target_path):
2442
2723
            return True
2494
2775
        raise errors.BadFileKindError(name, kind)
2495
2776
 
2496
2777
 
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
 
 
2513
2778
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2514
2779
    filter_tree_path=None):
2515
2780
    """Create new file contents according to tree contents.
2546
2811
        tt.set_executability(entry.executable, trans_id)
2547
2812
 
2548
2813
 
 
2814
@deprecated_function(deprecated_in((2, 3, 0)))
2549
2815
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2550
2816
    return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2551
2817
 
2552
2818
 
 
2819
@deprecated_function(deprecated_in((2, 3, 0)))
2553
2820
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2554
2821
    """Produce a backup-style name that appears to be available"""
2555
2822
    def name_gen():
2604
2871
                unversioned_filter=working_tree.is_ignored)
2605
2872
            delta.report_changes(tt.iter_changes(), change_reporter)
2606
2873
        for conflict in conflicts:
2607
 
            warning(conflict)
 
2874
            trace.warning(unicode(conflict))
2608
2875
        pp.next_phase()
2609
2876
        tt.apply()
2610
2877
        working_tree.set_merge_modified(merge_modified)
2618
2885
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2619
2886
                              backups, pp, basis_tree=None,
2620
2887
                              merge_modified=None):
2621
 
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
2888
    child_pb = ui.ui_factory.nested_progress_bar()
2622
2889
    try:
2623
2890
        if merge_modified is None:
2624
2891
            merge_modified = working_tree.merge_modified()
2627
2894
                                      merge_modified, basis_tree)
2628
2895
    finally:
2629
2896
        child_pb.finished()
2630
 
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
2897
    child_pb = ui.ui_factory.nested_progress_bar()
2631
2898
    try:
2632
2899
        raw_conflicts = resolve_conflicts(tt, child_pb,
2633
2900
            lambda t, c: conflict_pass(t, c, target_tree))
2641
2908
                 backups, merge_modified, basis_tree=None):
2642
2909
    if basis_tree is not None:
2643
2910
        basis_tree.lock_read()
2644
 
    change_list = target_tree.iter_changes(working_tree,
 
2911
    # We ask the working_tree for its changes relative to the target, rather
 
2912
    # than the target changes relative to the working tree. Because WT4 has an
 
2913
    # optimizer to compare itself to a target, but no optimizer for the
 
2914
    # reverse.
 
2915
    change_list = working_tree.iter_changes(target_tree,
2645
2916
        specific_files=specific_files, pb=pb)
2646
2917
    if target_tree.get_root_id() is None:
2647
2918
        skip_root = True
2651
2922
        deferred_files = []
2652
2923
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2653
2924
                kind, executable) in enumerate(change_list):
2654
 
            if skip_root and file_id[0] is not None and parent[0] is None:
 
2925
            target_path, wt_path = path
 
2926
            target_versioned, wt_versioned = versioned
 
2927
            target_parent, wt_parent = parent
 
2928
            target_name, wt_name = name
 
2929
            target_kind, wt_kind = kind
 
2930
            target_executable, wt_executable = executable
 
2931
            if skip_root and wt_parent is None:
2655
2932
                continue
2656
2933
            trans_id = tt.trans_id_file_id(file_id)
2657
2934
            mode_id = None
2658
2935
            if changed_content:
2659
2936
                keep_content = False
2660
 
                if kind[0] == 'file' and (backups or kind[1] is None):
 
2937
                if wt_kind == 'file' and (backups or target_kind is None):
2661
2938
                    wt_sha1 = working_tree.get_file_sha1(file_id)
2662
2939
                    if merge_modified.get(file_id) != wt_sha1:
2663
2940
                        # acquire the basis tree lazily to prevent the
2666
2943
                        if basis_tree is None:
2667
2944
                            basis_tree = working_tree.basis_tree()
2668
2945
                            basis_tree.lock_read()
2669
 
                        if file_id in basis_tree:
 
2946
                        if basis_tree.has_id(file_id):
2670
2947
                            if wt_sha1 != basis_tree.get_file_sha1(file_id):
2671
2948
                                keep_content = True
2672
 
                        elif kind[1] is None and not versioned[1]:
 
2949
                        elif target_kind is None and not target_versioned:
2673
2950
                            keep_content = True
2674
 
                if kind[0] is not None:
 
2951
                if wt_kind is not None:
2675
2952
                    if not keep_content:
2676
2953
                        tt.delete_contents(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)
 
2954
                    elif target_kind is not None:
 
2955
                        parent_trans_id = tt.trans_id_file_id(wt_parent)
 
2956
                        backup_name = tt._available_backup_name(
 
2957
                            wt_name, parent_trans_id)
2682
2958
                        tt.adjust_path(backup_name, parent_trans_id, trans_id)
2683
 
                        new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
 
                        if versioned == (True, True):
 
2959
                        new_trans_id = tt.create_path(wt_name, parent_trans_id)
 
2960
                        if wt_versioned and target_versioned:
2685
2961
                            tt.unversion_file(trans_id)
2686
2962
                            tt.version_file(file_id, new_trans_id)
2687
2963
                        # New contents should have the same unix perms as old
2688
2964
                        # contents
2689
2965
                        mode_id = trans_id
2690
2966
                        trans_id = new_trans_id
2691
 
                if kind[1] in ('directory', 'tree-reference'):
 
2967
                if target_kind in ('directory', 'tree-reference'):
2692
2968
                    tt.create_directory(trans_id)
2693
 
                    if kind[1] == 'tree-reference':
 
2969
                    if target_kind == 'tree-reference':
2694
2970
                        revision = target_tree.get_reference_revision(file_id,
2695
 
                                                                      path[1])
 
2971
                                                                      target_path)
2696
2972
                        tt.set_tree_reference(revision, trans_id)
2697
 
                elif kind[1] == 'symlink':
 
2973
                elif target_kind == 'symlink':
2698
2974
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2699
2975
                                      trans_id)
2700
 
                elif kind[1] == 'file':
 
2976
                elif target_kind == 'file':
2701
2977
                    deferred_files.append((file_id, (trans_id, mode_id)))
2702
2978
                    if basis_tree is None:
2703
2979
                        basis_tree = working_tree.basis_tree()
2704
2980
                        basis_tree.lock_read()
2705
2981
                    new_sha1 = target_tree.get_file_sha1(file_id)
2706
 
                    if (file_id in basis_tree and new_sha1 ==
2707
 
                        basis_tree.get_file_sha1(file_id)):
 
2982
                    if (basis_tree.has_id(file_id) and
 
2983
                        new_sha1 == basis_tree.get_file_sha1(file_id)):
2708
2984
                        if file_id in merge_modified:
2709
2985
                            del merge_modified[file_id]
2710
2986
                    else:
2711
2987
                        merge_modified[file_id] = new_sha1
2712
2988
 
2713
2989
                    # preserve the execute bit when backing up
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):
 
2990
                    if keep_content and wt_executable == target_executable:
 
2991
                        tt.set_executability(target_executable, trans_id)
 
2992
                elif target_kind is not None:
 
2993
                    raise AssertionError(target_kind)
 
2994
            if not wt_versioned and target_versioned:
2719
2995
                tt.version_file(file_id, trans_id)
2720
 
            if versioned == (True, False):
 
2996
            if wt_versioned and not target_versioned:
2721
2997
                tt.unversion_file(trans_id)
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:
 
2998
            if (target_name is not None and
 
2999
                (wt_name != target_name or wt_parent != target_parent)):
 
3000
                if target_name == '' and target_parent is None:
2725
3001
                    parent_trans = ROOT_PARENT
2726
3002
                else:
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)
 
3003
                    parent_trans = tt.trans_id_file_id(target_parent)
 
3004
                if wt_parent is None and wt_versioned:
 
3005
                    tt.adjust_root_path(target_name, parent_trans)
2730
3006
                else:
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)
 
3007
                    tt.adjust_path(target_name, parent_trans, trans_id)
 
3008
            if wt_executable != target_executable and target_kind == "file":
 
3009
                tt.set_executability(target_executable, trans_id)
2734
3010
        if working_tree.supports_content_filtering():
2735
3011
            for index, ((trans_id, mode_id), bytes) in enumerate(
2736
3012
                target_tree.iter_files_bytes(deferred_files)):
2807
3083
 
2808
3084
        elif c_type == 'missing parent':
2809
3085
            trans_id = conflict[1]
2810
 
            try:
2811
 
                tt.cancel_deletion(trans_id)
2812
 
                new_conflicts.add(('deleting parent', 'Not deleting',
2813
 
                                   trans_id))
2814
 
            except KeyError:
 
3086
            if trans_id in tt._removed_contents:
 
3087
                cancel_deletion = True
 
3088
                orphans = tt._get_potential_orphans(trans_id)
 
3089
                if orphans:
 
3090
                    cancel_deletion = False
 
3091
                    # All children are orphans
 
3092
                    for o in orphans:
 
3093
                        try:
 
3094
                            tt.new_orphan(o, trans_id)
 
3095
                        except OrphaningError:
 
3096
                            # Something bad happened so we cancel the directory
 
3097
                            # deletion which will leave it in place with a
 
3098
                            # conflict. The user can deal with it from there.
 
3099
                            # Note that this also catch the case where we don't
 
3100
                            # want to create orphans and leave the directory in
 
3101
                            # place.
 
3102
                            cancel_deletion = True
 
3103
                            break
 
3104
                if cancel_deletion:
 
3105
                    # Cancel the directory deletion
 
3106
                    tt.cancel_deletion(trans_id)
 
3107
                    new_conflicts.add(('deleting parent', 'Not deleting',
 
3108
                                       trans_id))
 
3109
            else:
2815
3110
                create = True
2816
3111
                try:
2817
3112
                    tt.final_name(trans_id)
2820
3115
                        file_id = tt.final_file_id(trans_id)
2821
3116
                        if file_id is None:
2822
3117
                            file_id = tt.inactive_file_id(trans_id)
2823
 
                        entry = path_tree.inventory[file_id]
 
3118
                        _, entry = path_tree.iter_entries_by_dir(
 
3119
                            [file_id]).next()
2824
3120
                        # special-case the other tree root (move its
2825
3121
                        # children to current root)
2826
3122
                        if entry.parent_id is None:
2841
3137
        elif c_type == 'unversioned parent':
2842
3138
            file_id = tt.inactive_file_id(conflict[1])
2843
3139
            # special-case the other tree root (move its children instead)
2844
 
            if path_tree and file_id in path_tree:
2845
 
                if path_tree.inventory[file_id].parent_id is None:
 
3140
            if path_tree and path_tree.has_id(file_id):
 
3141
                if path_tree.path2id('') == file_id:
 
3142
                    # This is the root entry, skip it
2846
3143
                    continue
2847
3144
            tt.version_file(file_id, conflict[1])
2848
3145
            new_conflicts.add((c_type, 'Versioned directory', conflict[1]))
2864
3161
 
2865
3162
def cook_conflicts(raw_conflicts, tt):
2866
3163
    """Generate a list of cooked conflicts, sorted by file path"""
2867
 
    from bzrlib.conflicts import Conflict
2868
3164
    conflict_iter = iter_cook_conflicts(raw_conflicts, tt)
2869
 
    return sorted(conflict_iter, key=Conflict.sort_key)
 
3165
    return sorted(conflict_iter, key=conflicts.Conflict.sort_key)
2870
3166
 
2871
3167
 
2872
3168
def iter_cook_conflicts(raw_conflicts, tt):
2873
 
    from bzrlib.conflicts import Conflict
2874
3169
    fp = FinalPaths(tt)
2875
3170
    for conflict in raw_conflicts:
2876
3171
        c_type = conflict[0]
2878
3173
        modified_path = fp.get_path(conflict[2])
2879
3174
        modified_id = tt.final_file_id(conflict[2])
2880
3175
        if len(conflict) == 3:
2881
 
            yield Conflict.factory(c_type, action=action, path=modified_path,
2882
 
                                     file_id=modified_id)
 
3176
            yield conflicts.Conflict.factory(
 
3177
                c_type, action=action, path=modified_path, file_id=modified_id)
2883
3178
 
2884
3179
        else:
2885
3180
            conflicting_path = fp.get_path(conflict[3])
2886
3181
            conflicting_id = tt.final_file_id(conflict[3])
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)
 
3182
            yield conflicts.Conflict.factory(
 
3183
                c_type, action=action, path=modified_path,
 
3184
                file_id=modified_id,
 
3185
                conflict_path=conflicting_path,
 
3186
                conflict_file_id=conflicting_id)
2891
3187
 
2892
3188
 
2893
3189
class _FileMover(object):
2900
3196
    def rename(self, from_, to):
2901
3197
        """Rename a file from one path to another."""
2902
3198
        try:
2903
 
            osutils.rename(from_, to)
 
3199
            os.rename(from_, to)
2904
3200
        except OSError, e:
2905
3201
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
2906
3202
                raise errors.FileExists(to, str(e))
2907
 
            raise
 
3203
            # normal OSError doesn't include filenames so it's hard to see where
 
3204
            # the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
 
3205
            raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
2908
3206
        self.past_renames.append((from_, to))
2909
3207
 
2910
3208
    def pre_delete(self, from_, to):
2920
3218
    def rollback(self):
2921
3219
        """Reverse all renames that have been performed"""
2922
3220
        for from_, to in reversed(self.past_renames):
2923
 
            osutils.rename(to, from_)
 
3221
            try:
 
3222
                os.rename(to, from_)
 
3223
            except OSError, e:
 
3224
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
2924
3225
        # after rollback, don't reuse _FileMover
2925
3226
        past_renames = None
2926
3227
        pending_deletions = None