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

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1
 
# Copyright (C) 2006-2011 Canonical Ltd
 
1
# Copyright (C) 2006-2010 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
 
from __future__ import absolute_import
18
 
 
19
17
import os
20
18
import errno
21
19
from stat import S_ISREG, S_IEXEC
22
20
import time
23
21
 
24
 
from . import (
25
 
    config as _mod_config,
26
 
    errors,
27
 
    lazy_import,
28
 
    registry,
29
 
    trace,
30
 
    tree,
31
 
    )
32
 
lazy_import.lazy_import(globals(), """
33
 
from breezy import (
 
22
from bzrlib.lazy_import import lazy_import
 
23
lazy_import(globals(), """
 
24
from bzrlib import (
34
25
    annotate,
35
26
    bencode,
36
 
    controldir,
37
 
    commit,
38
 
    conflicts,
 
27
    bzrdir,
39
28
    delta,
 
29
    errors,
 
30
    inventory,
40
31
    multiparent,
41
32
    osutils,
42
33
    revision as _mod_revision,
43
34
    ui,
44
 
    urlutils,
45
 
    )
46
 
from breezy.bzr import (
47
 
    inventory,
48
 
    )
49
 
from breezy.i18n import gettext
 
35
    )
50
36
""")
51
 
from .errors import (DuplicateKey, MalformedTransform,
52
 
                     ReusingTransform, CantMoveRoot,
53
 
                     ImmortalLimbo, NoFinalPath,
54
 
                     UnableCreateSymlink)
55
 
from .filters import filtered_output_bytes, ContentFilterContext
56
 
from .mutabletree import MutableTree
57
 
from .osutils import (
 
37
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
 
38
                           ReusingTransform, CantMoveRoot,
 
39
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
 
40
                           UnableCreateSymlink)
 
41
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
 
42
from bzrlib.inventory import InventoryEntry
 
43
from bzrlib.osutils import (
58
44
    delete_any,
59
45
    file_kind,
60
46
    has_symlinks,
 
47
    lexists,
61
48
    pathjoin,
62
49
    sha_file,
63
50
    splitpath,
64
 
    )
65
 
from .progress import ProgressPhase
66
 
from .sixish import (
67
 
    viewitems,
68
 
    viewvalues,
69
 
    )
 
51
    supports_executable,
 
52
)
 
53
from bzrlib.progress import ProgressPhase
 
54
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
70
62
 
71
63
 
72
64
ROOT_PARENT = "root-parent"
73
65
 
 
66
 
74
67
def unique_add(map, key, value):
75
68
    if key in map:
76
69
        raise DuplicateKey(key=key)
77
70
    map[key] = value
78
71
 
79
72
 
80
 
 
81
73
class _TransformResults(object):
82
74
    def __init__(self, modified_paths, rename_count):
83
75
        object.__init__(self)
107
99
        self._new_parent = {}
108
100
        # mapping of trans_id with new contents -> new file_kind
109
101
        self._new_contents = {}
110
 
        # mapping of trans_id => (sha1 of content, stat_value)
111
 
        self._observed_sha1s = {}
112
102
        # Set of trans_ids whose contents will be removed
113
103
        self._removed_contents = set()
114
104
        # Mapping of trans_id -> new execute-bit value
133
123
            self._new_root = self.trans_id_tree_file_id(root_id)
134
124
        else:
135
125
            self._new_root = None
136
 
        # Indicator of whether the transform has been applied
 
126
        # Indictor of whether the transform has been applied
137
127
        self._done = False
138
128
        # A progress bar
139
129
        self._pb = pb
142
132
        # A counter of how many files have been renamed
143
133
        self.rename_count = 0
144
134
 
145
 
    def __enter__(self):
146
 
        """Support Context Manager API."""
147
 
        return self
148
 
 
149
 
    def __exit__(self, exc_type, exc_val, exc_tb):
150
 
        """Support Context Manager API."""
151
 
        self.finalize()
152
 
 
153
135
    def finalize(self):
154
136
        """Release the working tree lock, if held.
155
137
 
158
140
        """
159
141
        if self._tree is None:
160
142
            return
161
 
        for hook in MutableTree.hooks['post_transform']:
162
 
            hook(self._tree, self)
163
143
        self._tree.unlock()
164
144
        self._tree = None
165
145
 
232
212
        This means that the old root trans-id becomes obsolete, so it is
233
213
        recommended only to invoke this after the root trans-id has become
234
214
        irrelevant.
235
 
 
236
215
        """
237
 
        new_roots = [k for k, v in viewitems(self._new_parent)
238
 
                     if v == ROOT_PARENT]
 
216
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
 
217
                     ROOT_PARENT]
239
218
        if len(new_roots) < 1:
240
219
            return
241
220
        if len(new_roots) != 1:
244
223
            self._new_root = new_roots[0]
245
224
            return
246
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
 
247
231
        # unversion the new root's directory.
248
 
        if self.final_kind(self._new_root) is None:
249
 
            file_id = self.final_file_id(old_new_root)
250
 
        else:
251
 
            file_id = self.final_file_id(self._new_root)
 
232
        file_id = self.final_file_id(old_new_root)
252
233
        if old_new_root in self._new_id:
253
234
            self.cancel_versioning(old_new_root)
254
235
        else:
258
239
        if (self.tree_file_id(self._new_root) is not None and
259
240
            self._new_root not in self._removed_id):
260
241
            self.unversion_file(self._new_root)
261
 
        if file_id is not None:
262
 
            self.version_file(file_id, self._new_root)
 
242
        self.version_file(file_id, self._new_root)
263
243
 
264
244
        # Now move children of new root into old root directory.
265
245
        # Ensure all children are registered with the transaction, but don't
306
286
            return self._r_new_id[file_id]
307
287
        else:
308
288
            try:
309
 
                next(self._tree.iter_entries_by_dir([file_id]))
 
289
                self._tree.iter_entries_by_dir([file_id]).next()
310
290
            except StopIteration:
311
291
                if file_id in self._non_present_ids:
312
292
                    return self._non_present_ids[file_id]
334
314
 
335
315
    def delete_contents(self, trans_id):
336
316
        """Schedule the contents of a path entry for deletion"""
337
 
        kind = self.tree_kind(trans_id)
338
 
        if kind is not None:
339
 
            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)
340
321
 
341
322
    def cancel_deletion(self, trans_id):
342
323
        """Cancel a scheduled deletion"""
399
380
        return sorted(FinalPaths(self).get_paths(new_ids))
400
381
 
401
382
    def _inventory_altered(self):
402
 
        """Determine which trans_ids need new Inventory entries.
403
 
 
404
 
        An new entry is needed when anything that would be reflected by an
405
 
        inventory entry changes, including file name, file_id, parent file_id,
406
 
        file kind, and the execute bit.
407
 
 
408
 
        Some care is taken to return entries with real changes, not cases
409
 
        where the value is deleted and then restored to its original value,
410
 
        but some actually unchanged values may be returned.
411
 
 
412
 
        :returns: A list of (path, trans_id) for all items requiring an
413
 
            inventory change. Ordered by path.
414
 
        """
415
 
        changed_ids = set()
416
 
        # Find entries whose file_ids are new (or changed).
417
 
        new_file_id = set(t for t in self._new_id
418
 
                          if self._new_id[t] != self.tree_file_id(t))
419
 
        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,
420
386
                       self._new_executability]:
421
 
            changed_ids.update(id_set)
422
 
        # removing implies a kind change
 
387
            new_ids.update(id_set)
423
388
        changed_kind = set(self._removed_contents)
424
 
        # so does adding
425
389
        changed_kind.intersection_update(self._new_contents)
426
 
        # Ignore entries that are already known to have changed.
427
 
        changed_kind.difference_update(changed_ids)
428
 
        #  to keep only the truly changed ones
429
 
        changed_kind = (t for t in changed_kind
430
 
                        if self.tree_kind(t) != self.final_kind(t))
431
 
        # all kind changes will alter the inventory
432
 
        changed_ids.update(changed_kind)
433
 
        # To find entries with changed parent_ids, find parents which existed,
434
 
        # but changed file_id.
435
 
        changed_file_id = set(t for t in new_file_id if t in self._removed_id)
436
 
        # Now add all their children to the set.
437
 
        for parent_trans_id in new_file_id:
438
 
            changed_ids.update(self.iter_tree_children(parent_trans_id))
439
 
        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))
440
395
 
441
396
    def final_kind(self, trans_id):
442
397
        """Determine the final file kind, after any changes applied.
443
398
 
444
 
        :return: None if the file does not exist/has no contents.  (It is
445
 
            conceivable that a path would be created without the corresponding
446
 
            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)
447
402
        """
448
403
        if trans_id in self._new_contents:
449
404
            return self._new_contents[trans_id]
450
405
        elif trans_id in self._removed_contents:
451
 
            return None
 
406
            raise NoSuchFile(None)
452
407
        else:
453
408
            return self.tree_kind(trans_id)
454
409
 
485
440
        file_id = self.tree_file_id(trans_id)
486
441
        if file_id is not None:
487
442
            return file_id
488
 
        for key, value in viewitems(self._non_present_ids):
 
443
        for key, value in self._non_present_ids.iteritems():
489
444
            if value == trans_id:
490
445
                return key
491
446
 
515
470
        Only new paths and parents of tree files with assigned ids are used.
516
471
        """
517
472
        by_parent = {}
518
 
        items = list(viewitems(self._new_parent))
519
 
        items.extend((t, self.final_parent(t))
520
 
            for t in list(self._tree_id_paths))
 
473
        items = list(self._new_parent.iteritems())
 
474
        items.extend((t, self.final_parent(t)) for t in
 
475
                      self._tree_id_paths.keys())
521
476
        for trans_id, parent_id in items:
522
477
            if parent_id not in by_parent:
523
478
                by_parent[parent_id] = set()
561
516
        Active parents are those which gain children, and those which are
562
517
        removed.  This is a necessary first step in detecting conflicts.
563
518
        """
564
 
        parents = list(self.by_parent())
 
519
        parents = self.by_parent().keys()
565
520
        parents.extend([t for t in self._removed_contents if
566
521
                        self.tree_kind(t) == 'directory'])
567
522
        for trans_id in self._removed_id:
568
523
            file_id = self.tree_file_id(trans_id)
569
524
            if file_id is not None:
570
 
                if self._tree.stored_kind(file_id) == 'directory':
 
525
                if self._tree.inventory[file_id].kind == 'directory':
571
526
                    parents.append(trans_id)
572
527
            elif self.tree_kind(trans_id) == 'directory':
573
528
                parents.append(trans_id)
576
531
            # ensure that all children are registered with the transaction
577
532
            list(self.iter_tree_children(parent_id))
578
533
 
579
 
    def _has_named_child(self, name, parent_id, known_children):
580
 
        """Does a parent already have a name child.
581
 
 
582
 
        :param name: The searched for name.
583
 
 
584
 
        :param parent_id: The parent for which the check is made.
585
 
 
586
 
        :param known_children: The already known children. This should have
587
 
            been recently obtained from `self.by_parent.get(parent_id)`
588
 
            (or will be if None is passed).
589
 
        """
590
 
        if known_children is None:
591
 
            known_children = self.by_parent().get(parent_id, [])
592
 
        for child in known_children:
 
534
    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:
593
540
            if self.final_name(child) == name:
594
541
                return True
595
 
        parent_path = self._tree_id_paths.get(parent_id, None)
596
 
        if parent_path is None:
597
 
            # No parent... no children
 
542
        try:
 
543
            path = self._tree_id_paths[parent_id]
 
544
        except KeyError:
598
545
            return False
599
 
        child_path = joinpath(parent_path, name)
600
 
        child_id = self._tree_path_ids.get(child_path, None)
 
546
        childpath = joinpath(path, name)
 
547
        child_id = self._tree_path_ids.get(childpath)
601
548
        if child_id is None:
602
 
            # Not known by the tree transform yet, check the filesystem
603
 
            return osutils.lexists(self._tree.abspath(child_path))
 
549
            return lexists(self._tree.abspath(childpath))
604
550
        else:
605
 
            raise AssertionError('child_id is missing: %s, %s, %s'
606
 
                                 % (name, parent_id, child_id))
607
 
 
608
 
    def _available_backup_name(self, name, target_id):
609
 
        """Find an available backup name.
610
 
 
611
 
        :param name: The basename of the file.
612
 
 
613
 
        :param target_id: The directory trans_id where the backup should 
614
 
            be placed.
615
 
        """
616
 
        known_children = self.by_parent().get(target_id, [])
617
 
        return osutils.available_backup_name(
618
 
            name,
619
 
            lambda base: self._has_named_child(
620
 
                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
621
558
 
622
559
    def _parent_loops(self):
623
560
        """No entry should be its own ancestor"""
625
562
        for trans_id in self._new_parent:
626
563
            seen = set()
627
564
            parent_id = trans_id
628
 
            while parent_id != ROOT_PARENT:
 
565
            while parent_id is not ROOT_PARENT:
629
566
                seen.add(parent_id)
630
567
                try:
631
568
                    parent_id = self.final_parent(parent_id)
640
577
    def _unversioned_parents(self, by_parent):
641
578
        """If parent directories are versioned, children must be versioned."""
642
579
        conflicts = []
643
 
        for parent_id, children in viewitems(by_parent):
644
 
            if parent_id == ROOT_PARENT:
 
580
        for parent_id, children in by_parent.iteritems():
 
581
            if parent_id is ROOT_PARENT:
645
582
                continue
646
583
            if self.final_file_id(parent_id) is not None:
647
584
                continue
657
594
        However, existing entries with no contents are okay.
658
595
        """
659
596
        conflicts = []
660
 
        for trans_id in self._new_id:
661
 
            kind = self.final_kind(trans_id)
662
 
            if kind is None:
 
597
        for trans_id in self._new_id.iterkeys():
 
598
            try:
 
599
                kind = self.final_kind(trans_id)
 
600
            except NoSuchFile:
663
601
                conflicts.append(('versioning no contents', trans_id))
664
602
                continue
665
 
            if not inventory.InventoryEntry.versionable_kind(kind):
 
603
            if not InventoryEntry.versionable_kind(kind):
666
604
                conflicts.append(('versioning bad kind', trans_id, kind))
667
605
        return conflicts
668
606
 
679
617
            if self.final_file_id(trans_id) is None:
680
618
                conflicts.append(('unversioned executability', trans_id))
681
619
            else:
682
 
                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:
683
625
                    conflicts.append(('non-file executability', trans_id))
684
626
        return conflicts
685
627
 
687
629
        """Check for overwrites (not permitted on Win32)"""
688
630
        conflicts = []
689
631
        for trans_id in self._new_contents:
690
 
            if self.tree_kind(trans_id) is None:
 
632
            try:
 
633
                self.tree_kind(trans_id)
 
634
            except NoSuchFile:
691
635
                continue
692
636
            if trans_id not in self._removed_contents:
693
637
                conflicts.append(('overwrite', trans_id,
699
643
        conflicts = []
700
644
        if (self._new_name, self._new_parent) == ({}, {}):
701
645
            return conflicts
702
 
        for children in viewvalues(by_parent):
703
 
            name_ids = []
704
 
            for child_tid in children:
705
 
                name = self.final_name(child_tid)
706
 
                if name is not None:
707
 
                    # Keep children only if they still exist in the end
708
 
                    if not self._case_sensitive_target:
709
 
                        name = name.lower()
710
 
                    name_ids.append((name, child_tid))
 
646
        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]
711
650
            name_ids.sort()
712
651
            last_name = None
713
652
            last_trans_id = None
714
653
            for name, trans_id in name_ids:
715
 
                kind = self.final_kind(trans_id)
 
654
                try:
 
655
                    kind = self.final_kind(trans_id)
 
656
                except NoSuchFile:
 
657
                    kind = None
716
658
                file_id = self.final_file_id(trans_id)
717
659
                if kind is None and file_id is None:
718
660
                    continue
730
672
                                self._removed_id))
731
673
        all_ids = self._tree.all_file_ids()
732
674
        active_tree_ids = all_ids.difference(removed_tree_ids)
733
 
        for trans_id, file_id in viewitems(self._new_id):
 
675
        for trans_id, file_id in self._new_id.iteritems():
734
676
            if file_id in active_tree_ids:
735
677
                old_trans_id = self.trans_id_tree_file_id(file_id)
736
678
                conflicts.append(('duplicate id', old_trans_id, trans_id))
737
679
        return conflicts
738
680
 
739
681
    def _parent_type_conflicts(self, by_parent):
740
 
        """Children must have a directory parent"""
 
682
        """parents must have directory 'contents'."""
741
683
        conflicts = []
742
 
        for parent_id, children in viewitems(by_parent):
743
 
            if parent_id == ROOT_PARENT:
744
 
                continue
745
 
            no_children = True
746
 
            for child_id in children:
747
 
                if self.final_kind(child_id) is not None:
748
 
                    no_children = False
749
 
                    break
750
 
            if no_children:
751
 
                continue
752
 
            # There is at least a child, so we need an existing directory to
753
 
            # contain it.
754
 
            kind = self.final_kind(parent_id)
 
684
        for parent_id, children in by_parent.iteritems():
 
685
            if parent_id is ROOT_PARENT:
 
686
                continue
 
687
            if not self._any_contents(children):
 
688
                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
755
698
            if kind is None:
756
 
                # The directory will be deleted
757
699
                conflicts.append(('missing parent', parent_id))
758
700
            elif kind != "directory":
759
 
                # Meh, we need a *directory* to put something in it
760
701
                conflicts.append(('non-directory parent', parent_id))
761
702
        return conflicts
762
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
 
763
714
    def _set_executability(self, path, trans_id):
764
715
        """Set the executability of versioned files """
765
 
        if self._tree._supports_executable():
 
716
        if supports_executable():
766
717
            new_executability = self._new_executability[trans_id]
767
718
            abspath = self._tree.abspath(path)
768
719
            current_mode = os.stat(abspath).st_mode
769
720
            if new_executability:
770
721
                umask = os.umask(0)
771
722
                os.umask(umask)
772
 
                to_mode = current_mode | (0o100 & ~umask)
 
723
                to_mode = current_mode | (0100 & ~umask)
773
724
                # Enable x-bit for others only if they can read it.
774
 
                if current_mode & 0o004:
775
 
                    to_mode |= 0o001 & ~umask
776
 
                if current_mode & 0o040:
777
 
                    to_mode |= 0o010 & ~umask
 
725
                if current_mode & 0004:
 
726
                    to_mode |= 0001 & ~umask
 
727
                if current_mode & 0040:
 
728
                    to_mode |= 0010 & ~umask
778
729
            else:
779
 
                to_mode = current_mode & ~0o111
780
 
            osutils.chmod_if_possible(abspath, to_mode)
 
730
                to_mode = current_mode & ~0111
 
731
            os.chmod(abspath, to_mode)
781
732
 
782
733
    def _new_entry(self, name, parent_id, file_id):
783
734
        """Helper function to create a new filesystem entry."""
787
738
        return trans_id
788
739
 
789
740
    def new_file(self, name, parent_id, contents, file_id=None,
790
 
                 executable=None, sha1=None):
 
741
                 executable=None):
791
742
        """Convenience method to create files.
792
743
 
793
744
        name is the name of the file to create.
800
751
        trans_id = self._new_entry(name, parent_id, file_id)
801
752
        # TODO: rather than scheduling a set_executable call,
802
753
        # have create_file create the file with the right mode.
803
 
        self.create_file(contents, trans_id, sha1=sha1)
 
754
        self.create_file(contents, trans_id)
804
755
        if executable is not None:
805
756
            self.set_executability(executable, trans_id)
806
757
        return trans_id
829
780
        self.create_symlink(target, trans_id)
830
781
        return trans_id
831
782
 
832
 
    def new_orphan(self, trans_id, parent_id):
833
 
        """Schedule an item to be orphaned.
834
 
 
835
 
        When a directory is about to be removed, its children, if they are not
836
 
        versioned are moved out of the way: they don't have a parent anymore.
837
 
 
838
 
        :param trans_id: The trans_id of the existing item.
839
 
        :param parent_id: The parent trans_id of the item.
840
 
        """
841
 
        raise NotImplementedError(self.new_orphan)
842
 
 
843
 
    def _get_potential_orphans(self, dir_id):
844
 
        """Find the potential orphans in a directory.
845
 
 
846
 
        A directory can't be safely deleted if there are versioned files in it.
847
 
        If all the contained files are unversioned then they can be orphaned.
848
 
 
849
 
        The 'None' return value means that the directory contains at least one
850
 
        versioned file and should not be deleted.
851
 
 
852
 
        :param dir_id: The directory trans id.
853
 
 
854
 
        :return: A list of the orphan trans ids or None if at least one
855
 
             versioned file is present.
856
 
        """
857
 
        orphans = []
858
 
        # Find the potential orphans, stop if one item should be kept
859
 
        for child_tid in self.by_parent()[dir_id]:
860
 
            if child_tid in self._removed_contents:
861
 
                # The child is removed as part of the transform. Since it was
862
 
                # versioned before, it's not an orphan
863
 
                continue
864
 
            elif self.final_file_id(child_tid) is None:
865
 
                # The child is not versioned
866
 
                orphans.append(child_tid)
867
 
            else:
868
 
                # We have a versioned file here, searching for orphans is
869
 
                # meaningless.
870
 
                orphans = None
871
 
                break
872
 
        return orphans
873
 
 
874
783
    def _affected_ids(self):
875
784
        """Return the set of transform ids affected by the transform"""
876
785
        trans_ids = set(self._removed_id)
877
 
        trans_ids.update(self._new_id)
 
786
        trans_ids.update(self._new_id.keys())
878
787
        trans_ids.update(self._removed_contents)
879
 
        trans_ids.update(self._new_contents)
880
 
        trans_ids.update(self._new_executability)
881
 
        trans_ids.update(self._new_name)
882
 
        trans_ids.update(self._new_parent)
 
788
        trans_ids.update(self._new_contents.keys())
 
789
        trans_ids.update(self._new_executability.keys())
 
790
        trans_ids.update(self._new_name.keys())
 
791
        trans_ids.update(self._new_parent.keys())
883
792
        return trans_ids
884
793
 
885
794
    def _get_file_id_maps(self):
935
844
        Return a (name, parent, kind, executable) tuple
936
845
        """
937
846
        to_name = self.final_name(to_trans_id)
938
 
        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
939
851
        to_parent = self.final_file_id(self.final_parent(to_trans_id))
940
852
        if to_trans_id in self._new_executability:
941
853
            to_executable = self._new_executability[to_trans_id]
959
871
        from_trans_ids, to_trans_ids = self._get_file_id_maps()
960
872
        results = []
961
873
        # Now iterate through all active file_ids
962
 
        for file_id in set(from_trans_ids).union(to_trans_ids):
 
874
        for file_id in set(from_trans_ids.keys() + to_trans_ids.keys()):
963
875
            modified = False
964
876
            from_trans_id = from_trans_ids.get(file_id)
965
877
            # find file ids, and determine versioning state
1015
927
        """
1016
928
        return _PreviewTree(self)
1017
929
 
1018
 
    def commit(self, branch, message, merge_parents=None, strict=False,
1019
 
               timestamp=None, timezone=None, committer=None, authors=None,
1020
 
               revprops=None, revision_id=None):
 
930
    def commit(self, branch, message, merge_parents=None, strict=False):
1021
931
        """Commit the result of this TreeTransform to a branch.
1022
932
 
1023
933
        :param branch: The branch to commit to.
1024
934
        :param message: The message to attach to the commit.
1025
 
        :param merge_parents: Additional parent revision-ids specified by
1026
 
            pending merges.
1027
 
        :param strict: If True, abort the commit if there are unversioned
1028
 
            files.
1029
 
        :param timestamp: if not None, seconds-since-epoch for the time and
1030
 
            date.  (May be a float.)
1031
 
        :param timezone: Optional timezone for timestamp, as an offset in
1032
 
            seconds.
1033
 
        :param committer: Optional committer in email-id format.
1034
 
            (e.g. "J Random Hacker <jrandom@example.com>")
1035
 
        :param authors: Optional list of authors in email-id format.
1036
 
        :param revprops: Optional dictionary of revision properties.
1037
 
        :param revision_id: Optional revision id.  (Specifying a revision-id
1038
 
            may reduce performance for some non-native formats.)
 
935
        :param merge_parents: Additional parents specified by pending merges.
1039
936
        :return: The revision_id of the revision committed.
1040
937
        """
1041
938
        self._check_malformed()
1058
955
        if self._tree.get_revision_id() != last_rev_id:
1059
956
            raise ValueError('TreeTransform not based on branch basis: %s' %
1060
957
                             self._tree.get_revision_id())
1061
 
        revprops = commit.Commit.update_revprops(revprops, branch, authors)
1062
 
        builder = branch.get_commit_builder(parent_ids,
1063
 
                                            timestamp=timestamp,
1064
 
                                            timezone=timezone,
1065
 
                                            committer=committer,
1066
 
                                            revprops=revprops,
1067
 
                                            revision_id=revision_id)
 
958
        builder = branch.get_commit_builder(parent_ids)
1068
959
        preview = self.get_preview_tree()
1069
960
        list(builder.record_iter_changes(preview, last_rev_id,
1070
961
                                         self.iter_changes()))
1102
993
        :param serializer: A Serialiser like pack.ContainerSerializer.
1103
994
        """
1104
995
        new_name = dict((k, v.encode('utf-8')) for k, v in
1105
 
                        viewitems(self._new_name))
 
996
                        self._new_name.items())
1106
997
        new_executability = dict((k, int(v)) for k, v in
1107
 
                                 viewitems(self._new_executability))
 
998
                                 self._new_executability.items())
1108
999
        tree_path_ids = dict((k.encode('utf-8'), v)
1109
 
                             for k, v in viewitems(self._tree_path_ids))
 
1000
                             for k, v in self._tree_path_ids.items())
1110
1001
        attribs = {
1111
1002
            '_id_number': self._id_number,
1112
1003
            '_new_name': new_name,
1120
1011
            }
1121
1012
        yield serializer.bytes_record(bencode.bencode(attribs),
1122
1013
                                      (('attribs',),))
1123
 
        for trans_id, kind in viewitems(self._new_contents):
 
1014
        for trans_id, kind in self._new_contents.items():
1124
1015
            if kind == 'file':
1125
1016
                lines = osutils.chunks_to_lines(
1126
1017
                    self._read_file_chunks(trans_id))
1139
1030
        :param records: An iterable of (names, content) tuples, as per
1140
1031
            pack.ContainerPushParser.
1141
1032
        """
1142
 
        names, content = next(records)
 
1033
        names, content = records.next()
1143
1034
        attribs = bencode.bdecode(content)
1144
1035
        self._id_number = attribs['_id_number']
1145
1036
        self._new_name = dict((k, v.decode('utf-8'))
1146
 
                              for k, v in viewitems(attribs['_new_name']))
 
1037
                            for k, v in attribs['_new_name'].items())
1147
1038
        self._new_parent = attribs['_new_parent']
1148
 
        self._new_executability = dict((k, bool(v))
1149
 
            for k, v in viewitems(attribs['_new_executability']))
 
1039
        self._new_executability = dict((k, bool(v)) for k, v in
 
1040
            attribs['_new_executability'].items())
1150
1041
        self._new_id = attribs['_new_id']
1151
 
        self._r_new_id = dict((v, k) for k, v in viewitems(self._new_id))
 
1042
        self._r_new_id = dict((v, k) for k, v in self._new_id.items())
1152
1043
        self._tree_path_ids = {}
1153
1044
        self._tree_id_paths = {}
1154
 
        for bytepath, trans_id in viewitems(attribs['_tree_path_ids']):
 
1045
        for bytepath, trans_id in attribs['_tree_path_ids'].items():
1155
1046
            path = bytepath.decode('utf-8')
1156
1047
            self._tree_path_ids[path] = trans_id
1157
1048
            self._tree_id_paths[trans_id] = path
1188
1079
        self._deletiondir = None
1189
1080
        # A mapping of transform ids to their limbo filename
1190
1081
        self._limbo_files = {}
1191
 
        self._possibly_stale_limbo_files = set()
1192
1082
        # A mapping of transform ids to a set of the transform ids of children
1193
1083
        # that their limbo directory has
1194
1084
        self._limbo_children = {}
1207
1097
        if self._tree is None:
1208
1098
            return
1209
1099
        try:
1210
 
            limbo_paths = list(viewvalues(self._limbo_files))
1211
 
            limbo_paths.extend(self._possibly_stale_limbo_files)
1212
 
            limbo_paths.sort(reverse=True)
1213
 
            for path in limbo_paths:
1214
 
                try:
1215
 
                    delete_any(path)
1216
 
                except OSError as e:
1217
 
                    if e.errno != errno.ENOENT:
1218
 
                        raise
1219
 
                    # XXX: warn? perhaps we just got interrupted at an
1220
 
                    # inconvenient moment, but perhaps files are disappearing
1221
 
                    # 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)
1222
1105
            try:
1223
1106
                delete_any(self._limbodir)
1224
1107
            except OSError:
1232
1115
        finally:
1233
1116
            TreeTransformBase.finalize(self)
1234
1117
 
1235
 
    def _limbo_supports_executable(self):
1236
 
        """Check if the limbo path supports the executable bit."""
1237
 
        # FIXME: Check actual file system capabilities of limbodir
1238
 
        return osutils.supports_executable()
1239
 
 
1240
1118
    def _limbo_name(self, trans_id):
1241
1119
        """Generate the limbo name of a file"""
1242
1120
        limbo_name = self._limbo_files.get(trans_id)
1278
1156
        entries from _limbo_files, because they are now stale.
1279
1157
        """
1280
1158
        for trans_id in trans_ids:
1281
 
            old_path = self._limbo_files[trans_id]
1282
 
            self._possibly_stale_limbo_files.add(old_path)
1283
 
            del self._limbo_files[trans_id]
 
1159
            old_path = self._limbo_files.pop(trans_id)
1284
1160
            if trans_id not in self._new_contents:
1285
1161
                continue
1286
1162
            new_path = self._limbo_name(trans_id)
1287
 
            os.rename(old_path, new_path)
1288
 
            self._possibly_stale_limbo_files.remove(old_path)
 
1163
            osutils.rename(old_path, new_path)
1289
1164
            for descendant in self._limbo_descendants(trans_id):
1290
1165
                desc_path = self._limbo_files[descendant]
1291
1166
                desc_path = new_path + desc_path[len(old_path):]
1298
1173
            descendants.update(self._limbo_descendants(descendant))
1299
1174
        return descendants
1300
1175
 
1301
 
    def create_file(self, contents, trans_id, mode_id=None, sha1=None):
 
1176
    def create_file(self, contents, trans_id, mode_id=None):
1302
1177
        """Schedule creation of a new file.
1303
1178
 
1304
 
        :seealso: new_file.
1305
 
 
1306
 
        :param contents: an iterator of strings, all of which will be written
1307
 
            to the target destination.
1308
 
        :param trans_id: TreeTransform handle
1309
 
        :param mode_id: If not None, force the mode of the target file to match
1310
 
            the mode of the object referenced by mode_id.
1311
 
            Otherwise, we will try to preserve mode bits of an existing file.
1312
 
        :param sha1: If the sha1 of this content is already known, pass it in.
1313
 
            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.
1314
1186
        """
1315
1187
        name = self._limbo_name(trans_id)
1316
1188
        f = open(name, 'wb')
1317
1189
        try:
1318
 
            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
 
1319
1199
            f.writelines(contents)
1320
1200
        finally:
1321
1201
            f.close()
1322
1202
        self._set_mtime(name)
1323
1203
        self._set_mode(trans_id, mode_id, S_ISREG)
1324
 
        # It is unfortunate we have to use lstat instead of fstat, but we just
1325
 
        # used utime and chmod on the file, so we need the accurate final
1326
 
        # details.
1327
 
        if sha1 is not None:
1328
 
            self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1329
1204
 
1330
1205
    def _read_file_chunks(self, trans_id):
1331
1206
        cur_file = open(self._limbo_name(trans_id), 'rb')
1351
1226
        name = self._limbo_name(trans_id)
1352
1227
        try:
1353
1228
            os.link(path, name)
1354
 
        except OSError as e:
 
1229
        except OSError, e:
1355
1230
            if e.errno != errno.EPERM:
1356
1231
                raise
1357
1232
            raise errors.HardLinkNotSupported(path)
1390
1265
    def cancel_creation(self, trans_id):
1391
1266
        """Cancel the creation of new file contents."""
1392
1267
        del self._new_contents[trans_id]
1393
 
        if trans_id in self._observed_sha1s:
1394
 
            del self._observed_sha1s[trans_id]
1395
1268
        children = self._limbo_children.get(trans_id)
1396
1269
        # if this is a limbo directory with children, move them before removing
1397
1270
        # the directory
1401
1274
            del self._limbo_children_names[trans_id]
1402
1275
        delete_any(self._limbo_name(trans_id))
1403
1276
 
1404
 
    def new_orphan(self, trans_id, parent_id):
1405
 
        conf = self._tree.get_config_stack()
1406
 
        handle_orphan = conf.get('bzr.transform.orphan_policy')
1407
 
        handle_orphan(self, trans_id, parent_id)
1408
 
 
1409
 
 
1410
 
class OrphaningError(errors.BzrError):
1411
 
 
1412
 
    # Only bugs could lead to such exception being seen by the user
1413
 
    internal_error = True
1414
 
    _fmt = "Error while orphaning %s in %s directory"
1415
 
 
1416
 
    def __init__(self, orphan, parent):
1417
 
        errors.BzrError.__init__(self)
1418
 
        self.orphan = orphan
1419
 
        self.parent = parent
1420
 
 
1421
 
 
1422
 
class OrphaningForbidden(OrphaningError):
1423
 
 
1424
 
    _fmt = "Policy: %s doesn't allow creating orphans."
1425
 
 
1426
 
    def __init__(self, policy):
1427
 
        errors.BzrError.__init__(self)
1428
 
        self.policy = policy
1429
 
 
1430
 
 
1431
 
def move_orphan(tt, orphan_id, parent_id):
1432
 
    """See TreeTransformBase.new_orphan.
1433
 
 
1434
 
    This creates a new orphan in the `bzr-orphans` dir at the root of the
1435
 
    `TreeTransform`.
1436
 
 
1437
 
    :param tt: The TreeTransform orphaning `trans_id`.
1438
 
 
1439
 
    :param orphan_id: The trans id that should be orphaned.
1440
 
 
1441
 
    :param parent_id: The orphan parent trans id.
1442
 
    """
1443
 
    # Add the orphan dir if it doesn't exist
1444
 
    orphan_dir_basename = 'bzr-orphans'
1445
 
    od_id = tt.trans_id_tree_path(orphan_dir_basename)
1446
 
    if tt.final_kind(od_id) is None:
1447
 
        tt.create_directory(od_id)
1448
 
    parent_path = tt._tree_id_paths[parent_id]
1449
 
    # Find a name that doesn't exist yet in the orphan dir
1450
 
    actual_name = tt.final_name(orphan_id)
1451
 
    new_name = tt._available_backup_name(actual_name, od_id)
1452
 
    tt.adjust_path(new_name, od_id, orphan_id)
1453
 
    trace.warning('%s has been orphaned in %s'
1454
 
                  % (joinpath(parent_path, actual_name), orphan_dir_basename))
1455
 
 
1456
 
 
1457
 
def refuse_orphan(tt, orphan_id, parent_id):
1458
 
    """See TreeTransformBase.new_orphan.
1459
 
 
1460
 
    This refuses to create orphan, letting the caller handle the conflict.
1461
 
    """
1462
 
    raise OrphaningForbidden('never')
1463
 
 
1464
 
 
1465
 
orphaning_registry = registry.Registry()
1466
 
orphaning_registry.register(
1467
 
    'conflict', refuse_orphan,
1468
 
    'Leave orphans in place and create a conflict on the directory.')
1469
 
orphaning_registry.register(
1470
 
    'move', move_orphan,
1471
 
    'Move orphans into the bzr-orphans directory.')
1472
 
orphaning_registry._set_default_key('conflict')
1473
 
 
1474
 
 
1475
 
opt_transform_orphan = _mod_config.RegistryOption(
1476
 
    'bzr.transform.orphan_policy', orphaning_registry,
1477
 
    help='Policy for orphaned files during transform operations.',
1478
 
    invalid='warning')
1479
 
 
1480
1277
 
1481
1278
class TreeTransform(DiskTreeTransform):
1482
1279
    """Represent a tree transformation.
1554
1351
        try:
1555
1352
            limbodir = urlutils.local_path_from_url(
1556
1353
                tree._transport.abspath('limbo'))
1557
 
            osutils.ensure_empty_directory_exists(
1558
 
                limbodir,
1559
 
                errors.ExistingLimbo)
 
1354
            try:
 
1355
                os.mkdir(limbodir)
 
1356
            except OSError, e:
 
1357
                if e.errno == errno.EEXIST:
 
1358
                    raise ExistingLimbo(limbodir)
1560
1359
            deletiondir = urlutils.local_path_from_url(
1561
1360
                tree._transport.abspath('pending-deletion'))
1562
 
            osutils.ensure_empty_directory_exists(
1563
 
                deletiondir,
1564
 
                errors.ExistingPendingDeletion)
 
1361
            try:
 
1362
                os.mkdir(deletiondir)
 
1363
            except OSError, e:
 
1364
                if e.errno == errno.EEXIST:
 
1365
                    raise errors.ExistingPendingDeletion(deletiondir)
1565
1366
        except:
1566
1367
            tree.unlock()
1567
1368
            raise
1596
1397
    def tree_kind(self, trans_id):
1597
1398
        """Determine the file kind in the working tree.
1598
1399
 
1599
 
        :returns: The file kind or None if the file does not exist
 
1400
        Raises NoSuchFile if the file does not exist
1600
1401
        """
1601
1402
        path = self._tree_id_paths.get(trans_id)
1602
1403
        if path is None:
1603
 
            return None
 
1404
            raise NoSuchFile(None)
1604
1405
        try:
1605
1406
            return file_kind(self._tree.abspath(path))
1606
 
        except errors.NoSuchFile:
1607
 
            return None
 
1407
        except OSError, e:
 
1408
            if e.errno != errno.ENOENT:
 
1409
                raise
 
1410
            else:
 
1411
                raise NoSuchFile(path)
1608
1412
 
1609
1413
    def _set_mode(self, trans_id, mode_id, typefunc):
1610
1414
        """Set the mode of new file contents.
1620
1424
            return
1621
1425
        try:
1622
1426
            mode = os.stat(self._tree.abspath(old_path)).st_mode
1623
 
        except OSError as e:
 
1427
        except OSError, e:
1624
1428
            if e.errno in (errno.ENOENT, errno.ENOTDIR):
1625
1429
                # Either old_path doesn't exist, or the parent of the
1626
1430
                # target is not a directory (but will be one eventually)
1630
1434
            else:
1631
1435
                raise
1632
1436
        if typefunc(mode):
1633
 
            osutils.chmod_if_possible(self._limbo_name(trans_id), mode)
 
1437
            os.chmod(self._limbo_name(trans_id), mode)
1634
1438
 
1635
1439
    def iter_tree_children(self, parent_id):
1636
1440
        """Iterate through the entry's tree children, if any"""
1640
1444
            return
1641
1445
        try:
1642
1446
            children = os.listdir(self._tree.abspath(path))
1643
 
        except OSError as e:
 
1447
        except OSError, e:
1644
1448
            if not (osutils._is_error_enotdir(e)
1645
1449
                    or e.errno in (errno.ENOENT, errno.ESRCH)):
1646
1450
                raise
1682
1486
                        in (trans_id, None)):
1683
1487
                        use_direct_path = True
1684
1488
                else:
1685
 
                    for l_filename, l_trans_id in viewitems(
1686
 
                            self._limbo_children_names[parent]):
 
1489
                    for l_filename, l_trans_id in\
 
1490
                        self._limbo_children_names[parent].iteritems():
1687
1491
                        if l_trans_id == trans_id:
1688
1492
                            continue
1689
1493
                        if l_filename.lower() == filename.lower():
1714
1518
            calculating one.
1715
1519
        :param _mover: Supply an alternate FileMover, for testing
1716
1520
        """
1717
 
        for hook in MutableTree.hooks['pre_transform']:
1718
 
            hook(self._tree, self)
1719
1521
        if not no_conflicts:
1720
1522
            self._check_malformed()
1721
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1523
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1722
1524
        try:
1723
1525
            if precomputed_delta is None:
1724
 
                child_pb.update(gettext('Apply phase'), 0, 2)
 
1526
                child_pb.update('Apply phase', 0, 2)
1725
1527
                inventory_delta = self._generate_inventory_delta()
1726
1528
                offset = 1
1727
1529
            else:
1732
1534
            else:
1733
1535
                mover = _mover
1734
1536
            try:
1735
 
                child_pb.update(gettext('Apply phase'), 0 + offset, 2 + offset)
 
1537
                child_pb.update('Apply phase', 0 + offset, 2 + offset)
1736
1538
                self._apply_removals(mover)
1737
 
                child_pb.update(gettext('Apply phase'), 1 + offset, 2 + offset)
 
1539
                child_pb.update('Apply phase', 1 + offset, 2 + offset)
1738
1540
                modified_paths = self._apply_insertions(mover)
1739
1541
            except:
1740
1542
                mover.rollback()
1743
1545
                mover.apply_deletions()
1744
1546
        finally:
1745
1547
            child_pb.finished()
1746
 
        if self.final_file_id(self.root) is None:
1747
 
            inventory_delta = [e for e in inventory_delta if e[0] != '']
1748
1548
        self._tree.apply_inventory_delta(inventory_delta)
1749
 
        self._apply_observed_sha1s()
1750
1549
        self._done = True
1751
1550
        self.finalize()
1752
1551
        return _TransformResults(modified_paths, self.rename_count)
1754
1553
    def _generate_inventory_delta(self):
1755
1554
        """Generate an inventory delta for the current transform."""
1756
1555
        inventory_delta = []
1757
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1556
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1758
1557
        new_paths = self._inventory_altered()
1759
1558
        total_entries = len(new_paths) + len(self._removed_id)
1760
1559
        try:
1761
1560
            for num, trans_id in enumerate(self._removed_id):
1762
1561
                if (num % 10) == 0:
1763
 
                    child_pb.update(gettext('removing file'), num, total_entries)
 
1562
                    child_pb.update('removing file', num, total_entries)
1764
1563
                if trans_id == self._new_root:
1765
1564
                    file_id = self._tree.get_root_id()
1766
1565
                else:
1773
1572
            new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1774
1573
                                     new_paths)
1775
1574
            entries = self._tree.iter_entries_by_dir(
1776
 
                viewvalues(new_path_file_ids))
 
1575
                new_path_file_ids.values())
1777
1576
            old_paths = dict((e.file_id, p) for p, e in entries)
1778
1577
            final_kinds = {}
1779
1578
            for num, (path, trans_id) in enumerate(new_paths):
1780
1579
                if (num % 10) == 0:
1781
 
                    child_pb.update(gettext('adding file'),
 
1580
                    child_pb.update('adding file',
1782
1581
                                    num + len(self._removed_id), total_entries)
1783
1582
                file_id = new_path_file_ids[trans_id]
1784
1583
                if file_id is None:
1785
1584
                    continue
1786
1585
                needs_entry = False
1787
 
                kind = self.final_kind(trans_id)
1788
 
                if kind is None:
 
1586
                try:
 
1587
                    kind = self.final_kind(trans_id)
 
1588
                except NoSuchFile:
1789
1589
                    kind = self._tree.stored_kind(file_id)
1790
1590
                parent_trans_id = self.final_parent(trans_id)
1791
1591
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1820
1620
 
1821
1621
        If inventory_delta is None, no inventory delta generation is performed.
1822
1622
        """
1823
 
        tree_paths = sorted(viewitems(self._tree_path_ids), reverse=True)
1824
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1623
        tree_paths = list(self._tree_path_ids.iteritems())
 
1624
        tree_paths.sort(reverse=True)
 
1625
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1825
1626
        try:
1826
 
            for num, (path, trans_id) in enumerate(tree_paths):
1827
 
                # do not attempt to move root into a subdirectory of itself.
1828
 
                if path == '':
1829
 
                    continue
1830
 
                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))
1831
1630
                full_path = self._tree.abspath(path)
1832
1631
                if trans_id in self._removed_contents:
1833
1632
                    delete_path = os.path.join(self._deletiondir, trans_id)
1836
1635
                      or trans_id in self._new_parent):
1837
1636
                    try:
1838
1637
                        mover.rename(full_path, self._limbo_name(trans_id))
1839
 
                    except errors.TransformRenameFailed as e:
 
1638
                    except OSError, e:
1840
1639
                        if e.errno != errno.ENOENT:
1841
1640
                            raise
1842
1641
                    else:
1858
1657
        modified_paths = []
1859
1658
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1860
1659
                                 new_paths)
1861
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1660
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1862
1661
        try:
1863
1662
            for num, (path, trans_id) in enumerate(new_paths):
1864
1663
                if (num % 10) == 0:
1865
 
                    child_pb.update(gettext('adding file'), num, len(new_paths))
 
1664
                    child_pb.update('adding file', num, len(new_paths))
1866
1665
                full_path = self._tree.abspath(path)
1867
1666
                if trans_id in self._needs_rename:
1868
1667
                    try:
1869
1668
                        mover.rename(self._limbo_name(trans_id), full_path)
1870
 
                    except errors.TransformRenameFailed as e:
 
1669
                    except OSError, e:
1871
1670
                        # We may be renaming a dangling inventory id
1872
1671
                        if e.errno != errno.ENOENT:
1873
1672
                            raise
1874
1673
                    else:
1875
1674
                        self.rename_count += 1
1876
 
                    # TODO: if trans_id in self._observed_sha1s, we should
1877
 
                    #       re-stat the final target, since ctime will be
1878
 
                    #       updated by the change.
1879
1675
                if (trans_id in self._new_contents or
1880
1676
                    self.path_changed(trans_id)):
1881
1677
                    if trans_id in self._new_contents:
1882
1678
                        modified_paths.append(full_path)
1883
1679
                if trans_id in self._new_executability:
1884
1680
                    self._set_executability(path, trans_id)
1885
 
                if trans_id in self._observed_sha1s:
1886
 
                    o_sha1, o_st_val = self._observed_sha1s[trans_id]
1887
 
                    st = osutils.lstat(full_path)
1888
 
                    self._observed_sha1s[trans_id] = (o_sha1, st)
1889
1681
        finally:
1890
1682
            child_pb.finished()
1891
 
        for path, trans_id in new_paths:
1892
 
            # new_paths includes stuff like workingtree conflicts. Only the
1893
 
            # stuff in new_contents actually comes from limbo.
1894
 
            if trans_id in self._limbo_files:
1895
 
                del self._limbo_files[trans_id]
1896
1683
        self._new_contents.clear()
1897
1684
        return modified_paths
1898
1685
 
1899
 
    def _apply_observed_sha1s(self):
1900
 
        """After we have finished renaming everything, update observed sha1s
1901
 
 
1902
 
        This has to be done after self._tree.apply_inventory_delta, otherwise
1903
 
        it doesn't know anything about the files we are updating. Also, we want
1904
 
        to do this as late as possible, so that most entries end up cached.
1905
 
        """
1906
 
        # TODO: this doesn't update the stat information for directories. So
1907
 
        #       the first 'bzr status' will still need to rewrite
1908
 
        #       .bzr/checkout/dirstate. However, we at least don't need to
1909
 
        #       re-read all of the files.
1910
 
        # TODO: If the operation took a while, we could do a time.sleep(3) here
1911
 
        #       to allow the clock to tick over and ensure we won't have any
1912
 
        #       problems. (we could observe start time, and finish time, and if
1913
 
        #       it is less than eg 10% overhead, add a sleep call.)
1914
 
        paths = FinalPaths(self)
1915
 
        for trans_id, observed in viewitems(self._observed_sha1s):
1916
 
            path = paths.get_path(trans_id)
1917
 
            # We could get the file_id, but dirstate prefers to use the path
1918
 
            # anyway, and it is 'cheaper' to determine.
1919
 
            # file_id = self._new_id[trans_id]
1920
 
            self._tree._observed_sha1(None, path, observed)
1921
 
 
1922
1686
 
1923
1687
class TransformPreview(DiskTreeTransform):
1924
1688
    """A TreeTransform for generating preview trees.
1939
1703
    def tree_kind(self, trans_id):
1940
1704
        path = self._tree_id_paths.get(trans_id)
1941
1705
        if path is None:
1942
 
            return None
1943
 
        kind = self._tree.path_content_summary(path)[0]
1944
 
        if kind == 'missing':
1945
 
            kind = None
1946
 
        return kind
 
1706
            raise NoSuchFile(None)
 
1707
        file_id = self._tree.path2id(path)
 
1708
        return self._tree.kind(file_id)
1947
1709
 
1948
1710
    def _set_mode(self, trans_id, mode_id, typefunc):
1949
1711
        """Set the mode of new file contents.
1969
1731
            childpath = joinpath(path, child)
1970
1732
            yield self.trans_id_tree_path(childpath)
1971
1733
 
1972
 
    def new_orphan(self, trans_id, parent_id):
1973
 
        raise NotImplementedError(self.new_orphan)
1974
 
 
1975
 
 
1976
 
class _PreviewTree(tree.InventoryTree):
 
1734
 
 
1735
class _PreviewTree(tree.Tree):
1977
1736
    """Partial implementation of Tree to support show_diff_trees"""
1978
1737
 
1979
1738
    def __init__(self, transform):
2008
1767
                yield self._get_repository().revision_tree(revision_id)
2009
1768
 
2010
1769
    def _get_file_revision(self, file_id, vf, tree_revision):
2011
 
        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
2012
1771
                       self._iter_parent_trees()]
2013
1772
        vf.add_lines((file_id, tree_revision), parent_keys,
2014
 
                     self.get_file_lines(file_id))
 
1773
                     self.get_file(file_id).readlines())
2015
1774
        repo = self._get_repository()
2016
1775
        base_vf = repo.texts
2017
1776
        if base_vf not in vf.fallback_versionedfiles:
2018
1777
            vf.fallback_versionedfiles.append(base_vf)
2019
1778
        return tree_revision
2020
1779
 
2021
 
    def _stat_limbo_file(self, file_id=None, trans_id=None):
2022
 
        if trans_id is None:
2023
 
            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)
2024
1782
        name = self._transform._limbo_name(trans_id)
2025
1783
        return os.lstat(name)
2026
1784
 
2040
1798
            executable = self.is_executable(file_id, path)
2041
1799
        return kind, executable, None
2042
1800
 
2043
 
    def is_locked(self):
2044
 
        return False
2045
 
 
2046
1801
    def lock_read(self):
2047
1802
        # Perhaps in theory, this should lock the TreeTransform?
2048
 
        return self
 
1803
        pass
2049
1804
 
2050
1805
    def unlock(self):
2051
1806
        pass
2052
1807
 
2053
1808
    @property
2054
 
    def root_inventory(self):
 
1809
    def inventory(self):
2055
1810
        """This Tree does not use inventory as its backing data."""
2056
 
        raise NotImplementedError(_PreviewTree.root_inventory)
 
1811
        raise NotImplementedError(_PreviewTree.inventory)
2057
1812
 
2058
1813
    def get_root_id(self):
2059
1814
        return self._transform.final_file_id(self._transform.root)
2062
1817
        tree_ids = set(self._transform._tree.all_file_ids())
2063
1818
        tree_ids.difference_update(self._transform.tree_file_id(t)
2064
1819
                                   for t in self._transform._removed_id)
2065
 
        tree_ids.update(viewvalues(self._transform._new_id))
 
1820
        tree_ids.update(self._transform._new_id.values())
2066
1821
        return tree_ids
2067
1822
 
2068
1823
    def __iter__(self):
2071
1826
    def _has_id(self, file_id, fallback_check):
2072
1827
        if file_id in self._transform._r_new_id:
2073
1828
            return True
2074
 
        elif file_id in {self._transform.tree_file_id(trans_id) for
2075
 
            trans_id in self._transform._removed_id}:
 
1829
        elif file_id in set([self._transform.tree_file_id(trans_id) for
 
1830
            trans_id in self._transform._removed_id]):
2076
1831
            return False
2077
1832
        else:
2078
1833
            return fallback_check(file_id)
2106
1861
        return cur_parent
2107
1862
 
2108
1863
    def path2id(self, path):
2109
 
        if isinstance(path, list):
2110
 
            if path == []:
2111
 
                path = [""]
2112
 
            path = osutils.pathjoin(*path)
2113
1864
        return self._transform.final_file_id(self._path2trans_id(path))
2114
1865
 
2115
1866
    def id2path(self, file_id):
2125
1876
            return children
2126
1877
        children = set(self._transform.iter_tree_children(trans_id))
2127
1878
        # children in the _new_parent set are provided by _by_parent.
2128
 
        children.difference_update(self._transform._new_parent)
 
1879
        children.difference_update(self._transform._new_parent.keys())
2129
1880
        children.update(self._by_parent.get(trans_id, []))
2130
1881
        self._all_children_cache[trans_id] = children
2131
1882
        return children
2153
1904
            if (specific_file_ids is not None
2154
1905
                and file_id not in specific_file_ids):
2155
1906
                continue
2156
 
            kind = self._transform.final_kind(trans_id)
2157
 
            if kind is None:
 
1907
            try:
 
1908
                kind = self._transform.final_kind(trans_id)
 
1909
            except NoSuchFile:
2158
1910
                kind = self._transform._tree.stored_kind(file_id)
2159
1911
            new_entry = inventory.make_entry(
2160
1912
                kind,
2176
1928
                ordered_ids.append((trans_id, parent_file_id))
2177
1929
        return ordered_ids
2178
1930
 
2179
 
    def iter_child_entries(self, file_id, path=None):
2180
 
        self.id2path(file_id)
2181
 
        trans_id = self._transform.trans_id_file_id(file_id)
2182
 
        todo = [(child_trans_id, trans_id) for child_trans_id in
2183
 
                self._all_children(trans_id)]
2184
 
        for entry, trans_id in self._make_inv_entries(todo):
2185
 
            yield entry
2186
 
 
2187
1931
    def iter_entries_by_dir(self, specific_file_ids=None, yield_parents=False):
2188
1932
        # This may not be a maximally efficient implementation, but it is
2189
1933
        # reasonably straightforward.  An implementation that grafts the
2253
1997
 
2254
1998
    def get_file_size(self, file_id):
2255
1999
        """See Tree.get_file_size"""
2256
 
        trans_id = self._transform.trans_id_file_id(file_id)
2257
 
        kind = self._transform.final_kind(trans_id)
2258
 
        if kind != 'file':
2259
 
            return None
2260
 
        if trans_id in self._transform._new_contents:
2261
 
            return self._stat_limbo_file(trans_id=trans_id).st_size
2262
2000
        if self.kind(file_id) == 'file':
2263
2001
            return self._transform._tree.get_file_size(file_id)
2264
2002
        else:
2265
2003
            return None
2266
2004
 
2267
 
    def get_file_verifier(self, file_id, path=None, stat_value=None):
2268
 
        trans_id = self._transform.trans_id_file_id(file_id)
2269
 
        kind = self._transform._new_contents.get(trans_id)
2270
 
        if kind is None:
2271
 
            return self._transform._tree.get_file_verifier(file_id)
2272
 
        if kind == 'file':
2273
 
            fileobj = self.get_file(file_id)
2274
 
            try:
2275
 
                return ("SHA1", sha_file(fileobj))
2276
 
            finally:
2277
 
                fileobj.close()
2278
 
 
2279
2005
    def get_file_sha1(self, file_id, path=None, stat_value=None):
2280
2006
        trans_id = self._transform.trans_id_file_id(file_id)
2281
2007
        kind = self._transform._new_contents.get(trans_id)
2297
2023
        except KeyError:
2298
2024
            try:
2299
2025
                return self._transform._tree.is_executable(file_id, path)
2300
 
            except OSError as e:
 
2026
            except OSError, e:
2301
2027
                if e.errno == errno.ENOENT:
2302
2028
                    return False
2303
2029
                raise
2304
2030
            except errors.NoSuchId:
2305
2031
                return False
2306
2032
 
2307
 
    def has_filename(self, path):
2308
 
        trans_id = self._path2trans_id(path)
2309
 
        if trans_id in self._transform._new_contents:
2310
 
            return True
2311
 
        elif trans_id in self._transform._removed_contents:
2312
 
            return False
2313
 
        else:
2314
 
            return self._transform._tree.has_filename(path)
2315
 
 
2316
2033
    def path_content_summary(self, path):
2317
2034
        trans_id = self._path2trans_id(path)
2318
2035
        tt = self._transform
2331
2048
            if kind == 'file':
2332
2049
                statval = os.lstat(limbo_name)
2333
2050
                size = statval.st_size
2334
 
                if not tt._limbo_supports_executable():
 
2051
                if not supports_executable():
2335
2052
                    executable = False
2336
2053
                else:
2337
2054
                    executable = statval.st_mode & S_IEXEC
2406
2123
                                   self.get_file(file_id).readlines(),
2407
2124
                                   default_revision)
2408
2125
 
2409
 
    def get_symlink_target(self, file_id, path=None):
 
2126
    def get_symlink_target(self, file_id):
2410
2127
        """See Tree.get_symlink_target"""
2411
2128
        if not self._content_change(file_id):
2412
2129
            return self._transform._tree.get_symlink_target(file_id)
2427
2144
                path_from_root = self._final_paths.get_path(child_id)
2428
2145
                basename = self._transform.final_name(child_id)
2429
2146
                file_id = self._transform.final_file_id(child_id)
2430
 
                kind  = self._transform.final_kind(child_id)
2431
 
                if kind is not None:
 
2147
                try:
 
2148
                    kind = self._transform.final_kind(child_id)
2432
2149
                    versioned_kind = kind
2433
 
                else:
 
2150
                except NoSuchFile:
2434
2151
                    kind = 'unknown'
2435
2152
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2436
2153
                if versioned_kind == 'directory':
2549
2266
    for num, _unused in enumerate(wt.all_file_ids()):
2550
2267
        if num > 0:  # more than just a root
2551
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)
2552
2272
    file_trans_id = {}
2553
 
    top_pb = ui.ui_factory.nested_progress_bar()
 
2273
    top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2554
2274
    pp = ProgressPhase("Build phase", 2, top_pb)
2555
 
    if tree.get_root_id() is not None:
 
2275
    if tree.inventory.root is not None:
2556
2276
        # This is kind of a hack: we should be altering the root
2557
2277
        # as part of the regular tree shape diff logic.
2558
2278
        # The conditional test here is to avoid doing an
2569
2289
        pp.next_phase()
2570
2290
        file_trans_id[wt.get_root_id()] = \
2571
2291
            tt.trans_id_tree_file_id(wt.get_root_id())
2572
 
        pb = ui.ui_factory.nested_progress_bar()
 
2292
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
2573
2293
        try:
2574
2294
            deferred_contents = []
2575
2295
            num = 0
2576
 
            total = len(tree.all_file_ids())
 
2296
            total = len(tree.inventory)
2577
2297
            if delta_from_tree:
2578
2298
                precomputed_delta = []
2579
2299
            else:
2580
2300
                precomputed_delta = None
2581
 
            # Check if tree inventory has content. If so, we populate
2582
 
            # existing_files with the directory content. If there are no
2583
 
            # entries we skip populating existing_files as its not used.
2584
 
            # This improves performance and unncessary work on large
2585
 
            # directory trees. (#501307)
2586
 
            if total > 0:
2587
 
                existing_files = set()
2588
 
                for dir, files in wt.walkdirs():
2589
 
                    existing_files.update(f[0] for f in files)
2590
2301
            for num, (tree_path, entry) in \
2591
 
                enumerate(tree.iter_entries_by_dir()):
2592
 
                pb.update(gettext("Building tree"), num - len(deferred_contents), total)
 
2302
                enumerate(tree.inventory.iter_entries_by_dir()):
 
2303
                pb.update("Building tree", num - len(deferred_contents), total)
2593
2304
                if entry.parent_id is None:
2594
2305
                    continue
2595
2306
                reparent = False
2601
2312
                    kind = file_kind(target_path)
2602
2313
                    if kind == "directory":
2603
2314
                        try:
2604
 
                            controldir.ControlDir.open(target_path)
 
2315
                            bzrdir.BzrDir.open(target_path)
2605
2316
                        except errors.NotBranchError:
2606
2317
                            pass
2607
2318
                        else:
2622
2333
                    executable = tree.is_executable(file_id, tree_path)
2623
2334
                    if executable:
2624
2335
                        tt.set_executability(executable, trans_id)
2625
 
                    trans_data = (trans_id, tree_path, entry.text_sha1)
 
2336
                    trans_data = (trans_id, tree_path)
2626
2337
                    deferred_contents.append((file_id, trans_data))
2627
2338
                else:
2628
2339
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2644
2355
            precomputed_delta = None
2645
2356
        conflicts = cook_conflicts(raw_conflicts, tt)
2646
2357
        for conflict in conflicts:
2647
 
            trace.warning(unicode(conflict))
 
2358
            warning(conflict)
2648
2359
        try:
2649
2360
            wt.add_conflicts(conflicts)
2650
2361
        except errors.UnsupportedOperation:
2669
2380
                     in iter if not (c or e[0] != e[1])]
2670
2381
        if accelerator_tree.supports_content_filtering():
2671
2382
            unchanged = [(f, p) for (f, p) in unchanged
2672
 
                         if not next(accelerator_tree.iter_search_rules([p]))]
 
2383
                         if not accelerator_tree.iter_search_rules([p]).next()]
2673
2384
        unchanged = dict(unchanged)
2674
2385
        new_desired_files = []
2675
2386
        count = 0
2676
 
        for file_id, (trans_id, tree_path, text_sha1) in desired_files:
 
2387
        for file_id, (trans_id, tree_path) in desired_files:
2677
2388
            accelerator_path = unchanged.get(file_id)
2678
2389
            if accelerator_path is None:
2679
 
                new_desired_files.append((file_id,
2680
 
                    (trans_id, tree_path, text_sha1)))
 
2390
                new_desired_files.append((file_id, (trans_id, tree_path)))
2681
2391
                continue
2682
 
            pb.update(gettext('Adding file contents'), count + offset, total)
 
2392
            pb.update('Adding file contents', count + offset, total)
2683
2393
            if hardlink:
2684
2394
                tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2685
2395
                                   trans_id)
2690
2400
                    contents = filtered_output_bytes(contents, filters,
2691
2401
                        ContentFilterContext(tree_path, tree))
2692
2402
                try:
2693
 
                    tt.create_file(contents, trans_id, sha1=text_sha1)
 
2403
                    tt.create_file(contents, trans_id)
2694
2404
                finally:
2695
2405
                    try:
2696
2406
                        contents.close()
2699
2409
                        pass
2700
2410
            count += 1
2701
2411
        offset += count
2702
 
    for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
 
2412
    for count, ((trans_id, tree_path), contents) in enumerate(
2703
2413
            tree.iter_files_bytes(new_desired_files)):
2704
2414
        if wt.supports_content_filtering():
2705
2415
            filters = wt._content_filter_stack(tree_path)
2706
2416
            contents = filtered_output_bytes(contents, filters,
2707
2417
                ContentFilterContext(tree_path, tree))
2708
 
        tt.create_file(contents, trans_id, sha1=text_sha1)
2709
 
        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)
2710
2420
 
2711
2421
 
2712
2422
def _reparent_children(tt, old_parent, new_parent):
2713
2423
    for child in tt.iter_tree_children(old_parent):
2714
2424
        tt.adjust_path(tt.final_name(child), new_parent, child)
2715
2425
 
2716
 
 
2717
2426
def _reparent_transform_children(tt, old_parent, new_parent):
2718
2427
    by_parent = tt.by_parent()
2719
2428
    for child in by_parent[old_parent]:
2720
2429
        tt.adjust_path(tt.final_name(child), new_parent, child)
2721
2430
    return by_parent[old_parent]
2722
2431
 
2723
 
 
2724
2432
def _content_match(tree, entry, file_id, kind, target_path):
2725
2433
    if entry.kind != kind:
2726
2434
        return False
2727
2435
    if entry.kind == "directory":
2728
2436
        return True
2729
2437
    if entry.kind == "file":
2730
 
        f = file(target_path, 'rb')
2731
 
        try:
2732
 
            if tree.get_file_text(file_id) == f.read():
2733
 
                return True
2734
 
        finally:
2735
 
            f.close()
 
2438
        if tree.get_file(file_id).read() == file(target_path, 'rb').read():
 
2439
            return True
2736
2440
    elif entry.kind == "symlink":
2737
2441
        if tree.get_symlink_target(file_id) == os.readlink(target_path):
2738
2442
            return True
2790
2494
        raise errors.BadFileKindError(name, kind)
2791
2495
 
2792
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
 
2793
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2794
2514
    filter_tree_path=None):
2795
2515
    """Create new file contents according to tree contents.
2826
2546
        tt.set_executability(entry.executable, trans_id)
2827
2547
 
2828
2548
 
 
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
 
2550
    return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
 
2551
 
 
2552
 
 
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
 
2554
    """Produce a backup-style name that appears to be available"""
 
2555
    def name_gen():
 
2556
        counter = 1
 
2557
        while True:
 
2558
            yield "%s.~%d~" % (name, counter)
 
2559
            counter += 1
 
2560
    for new_name in name_gen():
 
2561
        if not tt.has_named_child(by_parent, parent_trans_id, new_name):
 
2562
            return new_name
 
2563
 
 
2564
 
 
2565
def _entry_changes(file_id, entry, working_tree):
 
2566
    """Determine in which ways the inventory entry has changed.
 
2567
 
 
2568
    Returns booleans: has_contents, content_mod, meta_mod
 
2569
    has_contents means there are currently contents, but they differ
 
2570
    contents_mod means contents need to be modified
 
2571
    meta_mod means the metadata needs to be modified
 
2572
    """
 
2573
    cur_entry = working_tree.inventory[file_id]
 
2574
    try:
 
2575
        working_kind = working_tree.kind(file_id)
 
2576
        has_contents = True
 
2577
    except NoSuchFile:
 
2578
        has_contents = False
 
2579
        contents_mod = True
 
2580
        meta_mod = False
 
2581
    if has_contents is True:
 
2582
        if entry.kind != working_kind:
 
2583
            contents_mod, meta_mod = True, False
 
2584
        else:
 
2585
            cur_entry._read_tree_state(working_tree.id2path(file_id),
 
2586
                                       working_tree)
 
2587
            contents_mod, meta_mod = entry.detect_changes(cur_entry)
 
2588
            cur_entry._forget_tree_state()
 
2589
    return has_contents, contents_mod, meta_mod
 
2590
 
 
2591
 
2829
2592
def revert(working_tree, target_tree, filenames, backups=False,
2830
2593
           pb=None, change_reporter=None):
2831
2594
    """Revert a working tree's contents to those of a target tree."""
2841
2604
                unversioned_filter=working_tree.is_ignored)
2842
2605
            delta.report_changes(tt.iter_changes(), change_reporter)
2843
2606
        for conflict in conflicts:
2844
 
            trace.warning(unicode(conflict))
 
2607
            warning(conflict)
2845
2608
        pp.next_phase()
2846
2609
        tt.apply()
2847
2610
        working_tree.set_merge_modified(merge_modified)
2855
2618
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2856
2619
                              backups, pp, basis_tree=None,
2857
2620
                              merge_modified=None):
2858
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2621
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2859
2622
    try:
2860
2623
        if merge_modified is None:
2861
2624
            merge_modified = working_tree.merge_modified()
2864
2627
                                      merge_modified, basis_tree)
2865
2628
    finally:
2866
2629
        child_pb.finished()
2867
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2630
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2868
2631
    try:
2869
2632
        raw_conflicts = resolve_conflicts(tt, child_pb,
2870
2633
            lambda t, c: conflict_pass(t, c, target_tree))
2878
2641
                 backups, merge_modified, basis_tree=None):
2879
2642
    if basis_tree is not None:
2880
2643
        basis_tree.lock_read()
2881
 
    # We ask the working_tree for its changes relative to the target, rather
2882
 
    # than the target changes relative to the working tree. Because WT4 has an
2883
 
    # optimizer to compare itself to a target, but no optimizer for the
2884
 
    # reverse.
2885
 
    change_list = working_tree.iter_changes(target_tree,
 
2644
    change_list = target_tree.iter_changes(working_tree,
2886
2645
        specific_files=specific_files, pb=pb)
2887
2646
    if target_tree.get_root_id() is None:
2888
2647
        skip_root = True
2892
2651
        deferred_files = []
2893
2652
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2894
2653
                kind, executable) in enumerate(change_list):
2895
 
            target_path, wt_path = path
2896
 
            target_versioned, wt_versioned = versioned
2897
 
            target_parent, wt_parent = parent
2898
 
            target_name, wt_name = name
2899
 
            target_kind, wt_kind = kind
2900
 
            target_executable, wt_executable = executable
2901
 
            if skip_root and wt_parent is None:
 
2654
            if skip_root and file_id[0] is not None and parent[0] is None:
2902
2655
                continue
2903
2656
            trans_id = tt.trans_id_file_id(file_id)
2904
2657
            mode_id = None
2905
2658
            if changed_content:
2906
2659
                keep_content = False
2907
 
                if wt_kind == 'file' and (backups or target_kind is None):
 
2660
                if kind[0] == 'file' and (backups or kind[1] is None):
2908
2661
                    wt_sha1 = working_tree.get_file_sha1(file_id)
2909
2662
                    if merge_modified.get(file_id) != wt_sha1:
2910
2663
                        # acquire the basis tree lazily to prevent the
2913
2666
                        if basis_tree is None:
2914
2667
                            basis_tree = working_tree.basis_tree()
2915
2668
                            basis_tree.lock_read()
2916
 
                        if basis_tree.has_id(file_id):
 
2669
                        if file_id in basis_tree:
2917
2670
                            if wt_sha1 != basis_tree.get_file_sha1(file_id):
2918
2671
                                keep_content = True
2919
 
                        elif target_kind is None and not target_versioned:
 
2672
                        elif kind[1] is None and not versioned[1]:
2920
2673
                            keep_content = True
2921
 
                if wt_kind is not None:
 
2674
                if kind[0] is not None:
2922
2675
                    if not keep_content:
2923
2676
                        tt.delete_contents(trans_id)
2924
 
                    elif target_kind is not None:
2925
 
                        parent_trans_id = tt.trans_id_file_id(wt_parent)
2926
 
                        backup_name = tt._available_backup_name(
2927
 
                            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)
2928
2682
                        tt.adjust_path(backup_name, parent_trans_id, trans_id)
2929
 
                        new_trans_id = tt.create_path(wt_name, parent_trans_id)
2930
 
                        if wt_versioned and target_versioned:
 
2683
                        new_trans_id = tt.create_path(name[0], parent_trans_id)
 
2684
                        if versioned == (True, True):
2931
2685
                            tt.unversion_file(trans_id)
2932
2686
                            tt.version_file(file_id, new_trans_id)
2933
2687
                        # New contents should have the same unix perms as old
2934
2688
                        # contents
2935
2689
                        mode_id = trans_id
2936
2690
                        trans_id = new_trans_id
2937
 
                if target_kind in ('directory', 'tree-reference'):
 
2691
                if kind[1] in ('directory', 'tree-reference'):
2938
2692
                    tt.create_directory(trans_id)
2939
 
                    if target_kind == 'tree-reference':
 
2693
                    if kind[1] == 'tree-reference':
2940
2694
                        revision = target_tree.get_reference_revision(file_id,
2941
 
                                                                      target_path)
 
2695
                                                                      path[1])
2942
2696
                        tt.set_tree_reference(revision, trans_id)
2943
 
                elif target_kind == 'symlink':
 
2697
                elif kind[1] == 'symlink':
2944
2698
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2945
2699
                                      trans_id)
2946
 
                elif target_kind == 'file':
 
2700
                elif kind[1] == 'file':
2947
2701
                    deferred_files.append((file_id, (trans_id, mode_id)))
2948
2702
                    if basis_tree is None:
2949
2703
                        basis_tree = working_tree.basis_tree()
2950
2704
                        basis_tree.lock_read()
2951
2705
                    new_sha1 = target_tree.get_file_sha1(file_id)
2952
 
                    if (basis_tree.has_id(file_id) and
2953
 
                        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)):
2954
2708
                        if file_id in merge_modified:
2955
2709
                            del merge_modified[file_id]
2956
2710
                    else:
2957
2711
                        merge_modified[file_id] = new_sha1
2958
2712
 
2959
2713
                    # preserve the execute bit when backing up
2960
 
                    if keep_content and wt_executable == target_executable:
2961
 
                        tt.set_executability(target_executable, trans_id)
2962
 
                elif target_kind is not None:
2963
 
                    raise AssertionError(target_kind)
2964
 
            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):
2965
2719
                tt.version_file(file_id, trans_id)
2966
 
            if wt_versioned and not target_versioned:
 
2720
            if versioned == (True, False):
2967
2721
                tt.unversion_file(trans_id)
2968
 
            if (target_name is not None and
2969
 
                (wt_name != target_name or wt_parent != target_parent)):
2970
 
                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:
2971
2725
                    parent_trans = ROOT_PARENT
2972
2726
                else:
2973
 
                    parent_trans = tt.trans_id_file_id(target_parent)
2974
 
                if wt_parent is None and wt_versioned:
2975
 
                    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)
2976
2730
                else:
2977
 
                    tt.adjust_path(target_name, parent_trans, trans_id)
2978
 
            if wt_executable != target_executable and target_kind == "file":
2979
 
                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)
2980
2734
        if working_tree.supports_content_filtering():
2981
2735
            for index, ((trans_id, mode_id), bytes) in enumerate(
2982
2736
                target_tree.iter_files_bytes(deferred_files)):
3008
2762
    pb = ui.ui_factory.nested_progress_bar()
3009
2763
    try:
3010
2764
        for n in range(10):
3011
 
            pb.update(gettext('Resolution pass'), n+1, 10)
 
2765
            pb.update('Resolution pass', n+1, 10)
3012
2766
            conflicts = tt.find_conflicts()
3013
2767
            if len(conflicts) == 0:
3014
2768
                return new_conflicts
3038
2792
                existing_file, new_file = conflict[2], conflict[1]
3039
2793
            else:
3040
2794
                existing_file, new_file = conflict[1], conflict[2]
3041
 
            new_name = tt.final_name(existing_file) + '.moved'
 
2795
            new_name = tt.final_name(existing_file)+'.moved'
3042
2796
            tt.adjust_path(new_name, final_parent, existing_file)
3043
2797
            new_conflicts.add((c_type, 'Moved existing file to',
3044
2798
                               existing_file, new_file))
3053
2807
 
3054
2808
        elif c_type == 'missing parent':
3055
2809
            trans_id = conflict[1]
3056
 
            if trans_id in tt._removed_contents:
3057
 
                cancel_deletion = True
3058
 
                orphans = tt._get_potential_orphans(trans_id)
3059
 
                if orphans:
3060
 
                    cancel_deletion = False
3061
 
                    # All children are orphans
3062
 
                    for o in orphans:
3063
 
                        try:
3064
 
                            tt.new_orphan(o, trans_id)
3065
 
                        except OrphaningError:
3066
 
                            # Something bad happened so we cancel the directory
3067
 
                            # deletion which will leave it in place with a
3068
 
                            # conflict. The user can deal with it from there.
3069
 
                            # Note that this also catch the case where we don't
3070
 
                            # want to create orphans and leave the directory in
3071
 
                            # place.
3072
 
                            cancel_deletion = True
3073
 
                            break
3074
 
                if cancel_deletion:
3075
 
                    # Cancel the directory deletion
3076
 
                    tt.cancel_deletion(trans_id)
3077
 
                    new_conflicts.add(('deleting parent', 'Not deleting',
3078
 
                                       trans_id))
3079
 
            else:
 
2810
            try:
 
2811
                tt.cancel_deletion(trans_id)
 
2812
                new_conflicts.add(('deleting parent', 'Not deleting',
 
2813
                                   trans_id))
 
2814
            except KeyError:
3080
2815
                create = True
3081
2816
                try:
3082
2817
                    tt.final_name(trans_id)
3085
2820
                        file_id = tt.final_file_id(trans_id)
3086
2821
                        if file_id is None:
3087
2822
                            file_id = tt.inactive_file_id(trans_id)
3088
 
                        _, entry = next(path_tree.iter_entries_by_dir(
3089
 
                            [file_id]))
 
2823
                        entry = path_tree.inventory[file_id]
3090
2824
                        # special-case the other tree root (move its
3091
2825
                        # children to current root)
3092
2826
                        if entry.parent_id is None:
3107
2841
        elif c_type == 'unversioned parent':
3108
2842
            file_id = tt.inactive_file_id(conflict[1])
3109
2843
            # special-case the other tree root (move its children instead)
3110
 
            if path_tree and path_tree.has_id(file_id):
3111
 
                if path_tree.path2id('') == file_id:
3112
 
                    # 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:
3113
2846
                    continue
3114
2847
            tt.version_file(file_id, conflict[1])
3115
2848
            new_conflicts.add((c_type, 'Versioned directory', conflict[1]))
3131
2864
 
3132
2865
def cook_conflicts(raw_conflicts, tt):
3133
2866
    """Generate a list of cooked conflicts, sorted by file path"""
 
2867
    from bzrlib.conflicts import Conflict
3134
2868
    conflict_iter = iter_cook_conflicts(raw_conflicts, tt)
3135
 
    return sorted(conflict_iter, key=conflicts.Conflict.sort_key)
 
2869
    return sorted(conflict_iter, key=Conflict.sort_key)
3136
2870
 
3137
2871
 
3138
2872
def iter_cook_conflicts(raw_conflicts, tt):
 
2873
    from bzrlib.conflicts import Conflict
3139
2874
    fp = FinalPaths(tt)
3140
2875
    for conflict in raw_conflicts:
3141
2876
        c_type = conflict[0]
3143
2878
        modified_path = fp.get_path(conflict[2])
3144
2879
        modified_id = tt.final_file_id(conflict[2])
3145
2880
        if len(conflict) == 3:
3146
 
            yield conflicts.Conflict.factory(
3147
 
                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)
3148
2883
 
3149
2884
        else:
3150
2885
            conflicting_path = fp.get_path(conflict[3])
3151
2886
            conflicting_id = tt.final_file_id(conflict[3])
3152
 
            yield conflicts.Conflict.factory(
3153
 
                c_type, action=action, path=modified_path,
3154
 
                file_id=modified_id,
3155
 
                conflict_path=conflicting_path,
3156
 
                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)
3157
2891
 
3158
2892
 
3159
2893
class _FileMover(object):
3166
2900
    def rename(self, from_, to):
3167
2901
        """Rename a file from one path to another."""
3168
2902
        try:
3169
 
            os.rename(from_, to)
3170
 
        except OSError as e:
 
2903
            osutils.rename(from_, to)
 
2904
        except OSError, e:
3171
2905
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3172
2906
                raise errors.FileExists(to, str(e))
3173
 
            # normal OSError doesn't include filenames so it's hard to see where
3174
 
            # the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
3175
 
            raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
 
2907
            raise
3176
2908
        self.past_renames.append((from_, to))
3177
2909
 
3178
2910
    def pre_delete(self, from_, to):
3188
2920
    def rollback(self):
3189
2921
        """Reverse all renames that have been performed"""
3190
2922
        for from_, to in reversed(self.past_renames):
3191
 
            try:
3192
 
                os.rename(to, from_)
3193
 
            except OSError as e:
3194
 
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
 
2923
            osutils.rename(to, from_)
3195
2924
        # after rollback, don't reuse _FileMover
3196
2925
        past_renames = None
3197
2926
        pending_deletions = None