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  • Committer: Andrew Bennetts
  • Date: 2009-08-07 04:17:51 UTC
  • mto: This revision was merged to the branch mainline in revision 4608.
  • Revision ID: andrew.bennetts@canonical.com-20090807041751-0vhb0y0g7k49hr45
Review comments from John.

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1
 
# Copyright (C) 2006-2011 Canonical Ltd
 
1
# Copyright (C) 2006, 2007, 2008, 2009 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
17
17
import os
18
18
import errno
19
19
from stat import S_ISREG, S_IEXEC
20
 
import time
21
20
 
22
 
from bzrlib import (
23
 
    errors,
24
 
    lazy_import,
25
 
    registry,
26
 
    trace,
27
 
    tree,
28
 
    )
29
 
lazy_import.lazy_import(globals(), """
 
21
from bzrlib.lazy_import import lazy_import
 
22
lazy_import(globals(), """
30
23
from bzrlib import (
31
24
    annotate,
32
25
    bencode,
33
26
    bzrdir,
34
 
    commit,
35
 
    conflicts,
36
27
    delta,
37
28
    errors,
38
29
    inventory,
39
30
    multiparent,
40
31
    osutils,
41
32
    revision as _mod_revision,
42
 
    ui,
43
 
    urlutils,
44
33
    )
45
34
""")
46
35
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
47
 
                           ReusingTransform, CantMoveRoot,
 
36
                           ReusingTransform, NotVersionedError, CantMoveRoot,
48
37
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
49
38
                           UnableCreateSymlink)
50
39
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
 
40
from bzrlib.inventory import InventoryEntry
51
41
from bzrlib.osutils import (
52
42
    delete_any,
53
43
    file_kind,
54
44
    has_symlinks,
 
45
    lexists,
55
46
    pathjoin,
56
47
    sha_file,
57
48
    splitpath,
58
49
    supports_executable,
59
 
    )
60
 
from bzrlib.progress import ProgressPhase
 
50
)
 
51
from bzrlib.progress import DummyProgress, ProgressPhase
61
52
from bzrlib.symbol_versioning import (
62
 
    deprecated_function,
63
 
    deprecated_in,
64
 
    deprecated_method,
65
 
    )
 
53
        deprecated_function,
 
54
        deprecated_in,
 
55
        )
 
56
from bzrlib.trace import mutter, warning
 
57
from bzrlib import tree
 
58
import bzrlib.ui
 
59
import bzrlib.urlutils as urlutils
66
60
 
67
61
 
68
62
ROOT_PARENT = "root-parent"
69
63
 
 
64
 
70
65
def unique_add(map, key, value):
71
66
    if key in map:
72
67
        raise DuplicateKey(key=key)
73
68
    map[key] = value
74
69
 
75
70
 
76
 
 
77
71
class _TransformResults(object):
78
72
    def __init__(self, modified_paths, rename_count):
79
73
        object.__init__(self)
84
78
class TreeTransformBase(object):
85
79
    """The base class for TreeTransform and its kin."""
86
80
 
87
 
    def __init__(self, tree, pb=None,
 
81
    def __init__(self, tree, pb=DummyProgress(),
88
82
                 case_sensitive=True):
89
83
        """Constructor.
90
84
 
91
85
        :param tree: The tree that will be transformed, but not necessarily
92
86
            the output tree.
93
 
        :param pb: ignored
 
87
        :param pb: A ProgressTask indicating how much progress is being made
94
88
        :param case_sensitive: If True, the target of the transform is
95
89
            case sensitive, not just case preserving.
96
90
        """
103
97
        self._new_parent = {}
104
98
        # mapping of trans_id with new contents -> new file_kind
105
99
        self._new_contents = {}
106
 
        # mapping of trans_id => (sha1 of content, stat_value)
107
 
        self._observed_sha1s = {}
108
100
        # Set of trans_ids whose contents will be removed
109
101
        self._removed_contents = set()
110
102
        # Mapping of trans_id -> new execute-bit value
129
121
            self._new_root = self.trans_id_tree_file_id(root_id)
130
122
        else:
131
123
            self._new_root = None
132
 
        # Indicator of whether the transform has been applied
 
124
        # Indictor of whether the transform has been applied
133
125
        self._done = False
134
126
        # A progress bar
135
127
        self._pb = pb
138
130
        # A counter of how many files have been renamed
139
131
        self.rename_count = 0
140
132
 
141
 
    def __enter__(self):
142
 
        """Support Context Manager API."""
143
 
        return self
144
 
 
145
 
    def __exit__(self, exc_type, exc_val, exc_tb):
146
 
        """Support Context Manager API."""
147
 
        self.finalize()
148
 
 
149
133
    def finalize(self):
150
134
        """Release the working tree lock, if held.
151
135
 
177
161
 
178
162
    def adjust_path(self, name, parent, trans_id):
179
163
        """Change the path that is assigned to a transaction id."""
180
 
        if parent is None:
181
 
            raise ValueError("Parent trans-id may not be None")
182
164
        if trans_id == self._new_root:
183
165
            raise CantMoveRoot
184
166
        self._new_name[trans_id] = name
185
167
        self._new_parent[trans_id] = parent
 
168
        if parent == ROOT_PARENT:
 
169
            if self._new_root is not None:
 
170
                raise ValueError("Cannot have multiple roots.")
 
171
            self._new_root = trans_id
186
172
 
187
173
    def adjust_root_path(self, name, parent):
188
174
        """Emulate moving the root by moving all children, instead.
216
202
        self.version_file(old_root_file_id, old_root)
217
203
        self.unversion_file(self._new_root)
218
204
 
219
 
    def fixup_new_roots(self):
220
 
        """Reinterpret requests to change the root directory
221
 
 
222
 
        Instead of creating a root directory, or moving an existing directory,
223
 
        all the attributes and children of the new root are applied to the
224
 
        existing root directory.
225
 
 
226
 
        This means that the old root trans-id becomes obsolete, so it is
227
 
        recommended only to invoke this after the root trans-id has become
228
 
        irrelevant.
229
 
 
230
 
        """
231
 
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
232
 
                     ROOT_PARENT]
233
 
        if len(new_roots) < 1:
234
 
            if self.final_kind(self.root) is None:
235
 
                self.cancel_deletion(self.root)
236
 
            if self.final_file_id(self.root) is None:
237
 
                self.version_file(self.tree_file_id(self.root),
238
 
                                     self.root)
239
 
            return
240
 
        if len(new_roots) != 1:
241
 
            raise ValueError('A tree cannot have two roots!')
242
 
        if self._new_root is None:
243
 
            self._new_root = new_roots[0]
244
 
            return
245
 
        old_new_root = new_roots[0]
246
 
        # TODO: What to do if a old_new_root is present, but self._new_root is
247
 
        #       not listed as being removed? This code explicitly unversions
248
 
        #       the old root and versions it with the new file_id. Though that
249
 
        #       seems like an incomplete delta
250
 
 
251
 
        # unversion the new root's directory.
252
 
        file_id = self.final_file_id(old_new_root)
253
 
        if old_new_root in self._new_id:
254
 
            self.cancel_versioning(old_new_root)
255
 
        else:
256
 
            self.unversion_file(old_new_root)
257
 
        # if, at this stage, root still has an old file_id, zap it so we can
258
 
        # stick a new one in.
259
 
        if (self.tree_file_id(self._new_root) is not None and
260
 
            self._new_root not in self._removed_id):
261
 
            self.unversion_file(self._new_root)
262
 
        if file_id is not None:
263
 
            self.version_file(file_id, self._new_root)
264
 
 
265
 
        # Now move children of new root into old root directory.
266
 
        # Ensure all children are registered with the transaction, but don't
267
 
        # use directly-- some tree children have new parents
268
 
        list(self.iter_tree_children(old_new_root))
269
 
        # Move all children of new root into old root directory.
270
 
        for child in self.by_parent().get(old_new_root, []):
271
 
            self.adjust_path(self.final_name(child), self._new_root, child)
272
 
 
273
 
        # Ensure old_new_root has no directory.
274
 
        if old_new_root in self._new_contents:
275
 
            self.cancel_creation(old_new_root)
276
 
        else:
277
 
            self.delete_contents(old_new_root)
278
 
 
279
 
        # prevent deletion of root directory.
280
 
        if self._new_root in self._removed_contents:
281
 
            self.cancel_deletion(self._new_root)
282
 
 
283
 
        # destroy path info for old_new_root.
284
 
        del self._new_parent[old_new_root]
285
 
        del self._new_name[old_new_root]
286
 
 
287
205
    def trans_id_tree_file_id(self, inventory_id):
288
206
        """Determine the transaction id of a working tree file.
289
207
 
335
253
 
336
254
    def delete_contents(self, trans_id):
337
255
        """Schedule the contents of a path entry for deletion"""
338
 
        kind = self.tree_kind(trans_id)
339
 
        if kind is not None:
340
 
            self._removed_contents.add(trans_id)
 
256
        self.tree_kind(trans_id)
 
257
        self._removed_contents.add(trans_id)
341
258
 
342
259
    def cancel_deletion(self, trans_id):
343
260
        """Cancel a scheduled deletion"""
400
317
        return sorted(FinalPaths(self).get_paths(new_ids))
401
318
 
402
319
    def _inventory_altered(self):
403
 
        """Determine which trans_ids need new Inventory entries.
404
 
 
405
 
        An new entry is needed when anything that would be reflected by an
406
 
        inventory entry changes, including file name, file_id, parent file_id,
407
 
        file kind, and the execute bit.
408
 
 
409
 
        Some care is taken to return entries with real changes, not cases
410
 
        where the value is deleted and then restored to its original value,
411
 
        but some actually unchanged values may be returned.
412
 
 
413
 
        :returns: A list of (path, trans_id) for all items requiring an
414
 
            inventory change. Ordered by path.
415
 
        """
416
 
        changed_ids = set()
417
 
        # Find entries whose file_ids are new (or changed).
418
 
        new_file_id = set(t for t in self._new_id
419
 
                          if self._new_id[t] != self.tree_file_id(t))
420
 
        for id_set in [self._new_name, self._new_parent, new_file_id,
 
320
        """Get the trans_ids and paths of files needing new inv entries."""
 
321
        new_ids = set()
 
322
        for id_set in [self._new_name, self._new_parent, self._new_id,
421
323
                       self._new_executability]:
422
 
            changed_ids.update(id_set)
423
 
        # removing implies a kind change
 
324
            new_ids.update(id_set)
424
325
        changed_kind = set(self._removed_contents)
425
 
        # so does adding
426
326
        changed_kind.intersection_update(self._new_contents)
427
 
        # Ignore entries that are already known to have changed.
428
 
        changed_kind.difference_update(changed_ids)
429
 
        #  to keep only the truly changed ones
430
 
        changed_kind = (t for t in changed_kind
431
 
                        if self.tree_kind(t) != self.final_kind(t))
432
 
        # all kind changes will alter the inventory
433
 
        changed_ids.update(changed_kind)
434
 
        # To find entries with changed parent_ids, find parents which existed,
435
 
        # but changed file_id.
436
 
        changed_file_id = set(t for t in new_file_id if t in self._removed_id)
437
 
        # Now add all their children to the set.
438
 
        for parent_trans_id in new_file_id:
439
 
            changed_ids.update(self.iter_tree_children(parent_trans_id))
440
 
        return sorted(FinalPaths(self).get_paths(changed_ids))
 
327
        changed_kind.difference_update(new_ids)
 
328
        changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
 
329
                        self.final_kind(t))
 
330
        new_ids.update(changed_kind)
 
331
        return sorted(FinalPaths(self).get_paths(new_ids))
441
332
 
442
333
    def final_kind(self, trans_id):
443
334
        """Determine the final file kind, after any changes applied.
444
335
 
445
 
        :return: None if the file does not exist/has no contents.  (It is
446
 
            conceivable that a path would be created without the corresponding
447
 
            contents insertion command)
 
336
        Raises NoSuchFile if the file does not exist/has no contents.
 
337
        (It is conceivable that a path would be created without the
 
338
        corresponding contents insertion command)
448
339
        """
449
340
        if trans_id in self._new_contents:
450
341
            return self._new_contents[trans_id]
451
342
        elif trans_id in self._removed_contents:
452
 
            return None
 
343
            raise NoSuchFile(None)
453
344
        else:
454
345
            return self.tree_kind(trans_id)
455
346
 
568
459
        for trans_id in self._removed_id:
569
460
            file_id = self.tree_file_id(trans_id)
570
461
            if file_id is not None:
571
 
                # XXX: This seems like something that should go via a different
572
 
                #      indirection.
573
462
                if self._tree.inventory[file_id].kind == 'directory':
574
463
                    parents.append(trans_id)
575
464
            elif self.tree_kind(trans_id) == 'directory':
579
468
            # ensure that all children are registered with the transaction
580
469
            list(self.iter_tree_children(parent_id))
581
470
 
582
 
    @deprecated_method(deprecated_in((2, 3, 0)))
583
471
    def has_named_child(self, by_parent, parent_id, name):
584
 
        return self._has_named_child(
585
 
            name, parent_id, known_children=by_parent.get(parent_id, []))
586
 
 
587
 
    def _has_named_child(self, name, parent_id, known_children):
588
 
        """Does a parent already have a name child.
589
 
 
590
 
        :param name: The searched for name.
591
 
 
592
 
        :param parent_id: The parent for which the check is made.
593
 
 
594
 
        :param known_children: The already known children. This should have
595
 
            been recently obtained from `self.by_parent.get(parent_id)`
596
 
            (or will be if None is passed).
597
 
        """
598
 
        if known_children is None:
599
 
            known_children = self.by_parent().get(parent_id, [])
600
 
        for child in known_children:
 
472
        try:
 
473
            children = by_parent[parent_id]
 
474
        except KeyError:
 
475
            children = []
 
476
        for child in children:
601
477
            if self.final_name(child) == name:
602
478
                return True
603
 
        parent_path = self._tree_id_paths.get(parent_id, None)
604
 
        if parent_path is None:
605
 
            # No parent... no children
 
479
        try:
 
480
            path = self._tree_id_paths[parent_id]
 
481
        except KeyError:
606
482
            return False
607
 
        child_path = joinpath(parent_path, name)
608
 
        child_id = self._tree_path_ids.get(child_path, None)
 
483
        childpath = joinpath(path, name)
 
484
        child_id = self._tree_path_ids.get(childpath)
609
485
        if child_id is None:
610
 
            # Not known by the tree transform yet, check the filesystem
611
 
            return osutils.lexists(self._tree.abspath(child_path))
 
486
            return lexists(self._tree.abspath(childpath))
612
487
        else:
613
 
            raise AssertionError('child_id is missing: %s, %s, %s'
614
 
                                 % (name, parent_id, child_id))
615
 
 
616
 
    def _available_backup_name(self, name, target_id):
617
 
        """Find an available backup name.
618
 
 
619
 
        :param name: The basename of the file.
620
 
 
621
 
        :param target_id: The directory trans_id where the backup should 
622
 
            be placed.
623
 
        """
624
 
        known_children = self.by_parent().get(target_id, [])
625
 
        return osutils.available_backup_name(
626
 
            name,
627
 
            lambda base: self._has_named_child(
628
 
                base, target_id, known_children))
 
488
            if self.final_parent(child_id) != parent_id:
 
489
                return False
 
490
            if child_id in self._removed_contents:
 
491
                # XXX What about dangling file-ids?
 
492
                return False
 
493
            else:
 
494
                return True
629
495
 
630
496
    def _parent_loops(self):
631
497
        """No entry should be its own ancestor"""
666
532
        """
667
533
        conflicts = []
668
534
        for trans_id in self._new_id.iterkeys():
669
 
            kind = self.final_kind(trans_id)
670
 
            if kind is None:
 
535
            try:
 
536
                kind = self.final_kind(trans_id)
 
537
            except NoSuchFile:
671
538
                conflicts.append(('versioning no contents', trans_id))
672
539
                continue
673
 
            if not inventory.InventoryEntry.versionable_kind(kind):
 
540
            if not InventoryEntry.versionable_kind(kind):
674
541
                conflicts.append(('versioning bad kind', trans_id, kind))
675
542
        return conflicts
676
543
 
687
554
            if self.final_file_id(trans_id) is None:
688
555
                conflicts.append(('unversioned executability', trans_id))
689
556
            else:
690
 
                if self.final_kind(trans_id) != "file":
 
557
                try:
 
558
                    non_file = self.final_kind(trans_id) != "file"
 
559
                except NoSuchFile:
 
560
                    non_file = True
 
561
                if non_file is True:
691
562
                    conflicts.append(('non-file executability', trans_id))
692
563
        return conflicts
693
564
 
695
566
        """Check for overwrites (not permitted on Win32)"""
696
567
        conflicts = []
697
568
        for trans_id in self._new_contents:
698
 
            if self.tree_kind(trans_id) is None:
 
569
            try:
 
570
                self.tree_kind(trans_id)
 
571
            except NoSuchFile:
699
572
                continue
700
573
            if trans_id not in self._removed_contents:
701
574
                conflicts.append(('overwrite', trans_id,
708
581
        if (self._new_name, self._new_parent) == ({}, {}):
709
582
            return conflicts
710
583
        for children in by_parent.itervalues():
711
 
            name_ids = []
712
 
            for child_tid in children:
713
 
                name = self.final_name(child_tid)
714
 
                if name is not None:
715
 
                    # Keep children only if they still exist in the end
716
 
                    if not self._case_sensitive_target:
717
 
                        name = name.lower()
718
 
                    name_ids.append((name, child_tid))
 
584
            name_ids = [(self.final_name(t), t) for t in children]
 
585
            if not self._case_sensitive_target:
 
586
                name_ids = [(n.lower(), t) for n, t in name_ids]
719
587
            name_ids.sort()
720
588
            last_name = None
721
589
            last_trans_id = None
722
590
            for name, trans_id in name_ids:
723
 
                kind = self.final_kind(trans_id)
 
591
                try:
 
592
                    kind = self.final_kind(trans_id)
 
593
                except NoSuchFile:
 
594
                    kind = None
724
595
                file_id = self.final_file_id(trans_id)
725
596
                if kind is None and file_id is None:
726
597
                    continue
745
616
        return conflicts
746
617
 
747
618
    def _parent_type_conflicts(self, by_parent):
748
 
        """Children must have a directory parent"""
 
619
        """parents must have directory 'contents'."""
749
620
        conflicts = []
750
621
        for parent_id, children in by_parent.iteritems():
751
622
            if parent_id is ROOT_PARENT:
752
623
                continue
753
 
            no_children = True
754
 
            for child_id in children:
755
 
                if self.final_kind(child_id) is not None:
756
 
                    no_children = False
757
 
                    break
758
 
            if no_children:
 
624
            if not self._any_contents(children):
759
625
                continue
760
 
            # There is at least a child, so we need an existing directory to
761
 
            # contain it.
762
 
            kind = self.final_kind(parent_id)
 
626
            for child in children:
 
627
                try:
 
628
                    self.final_kind(child)
 
629
                except NoSuchFile:
 
630
                    continue
 
631
            try:
 
632
                kind = self.final_kind(parent_id)
 
633
            except NoSuchFile:
 
634
                kind = None
763
635
            if kind is None:
764
 
                # The directory will be deleted
765
636
                conflicts.append(('missing parent', parent_id))
766
637
            elif kind != "directory":
767
 
                # Meh, we need a *directory* to put something in it
768
638
                conflicts.append(('non-directory parent', parent_id))
769
639
        return conflicts
770
640
 
 
641
    def _any_contents(self, trans_ids):
 
642
        """Return true if any of the trans_ids, will have contents."""
 
643
        for trans_id in trans_ids:
 
644
            try:
 
645
                kind = self.final_kind(trans_id)
 
646
            except NoSuchFile:
 
647
                continue
 
648
            return True
 
649
        return False
 
650
 
771
651
    def _set_executability(self, path, trans_id):
772
652
        """Set the executability of versioned files """
773
653
        if supports_executable():
795
675
        return trans_id
796
676
 
797
677
    def new_file(self, name, parent_id, contents, file_id=None,
798
 
                 executable=None, sha1=None):
 
678
                 executable=None):
799
679
        """Convenience method to create files.
800
680
 
801
681
        name is the name of the file to create.
808
688
        trans_id = self._new_entry(name, parent_id, file_id)
809
689
        # TODO: rather than scheduling a set_executable call,
810
690
        # have create_file create the file with the right mode.
811
 
        self.create_file(contents, trans_id, sha1=sha1)
 
691
        self.create_file(contents, trans_id)
812
692
        if executable is not None:
813
693
            self.set_executability(executable, trans_id)
814
694
        return trans_id
837
717
        self.create_symlink(target, trans_id)
838
718
        return trans_id
839
719
 
840
 
    def new_orphan(self, trans_id, parent_id):
841
 
        """Schedule an item to be orphaned.
842
 
 
843
 
        When a directory is about to be removed, its children, if they are not
844
 
        versioned are moved out of the way: they don't have a parent anymore.
845
 
 
846
 
        :param trans_id: The trans_id of the existing item.
847
 
        :param parent_id: The parent trans_id of the item.
848
 
        """
849
 
        raise NotImplementedError(self.new_orphan)
850
 
 
851
 
    def _get_potential_orphans(self, dir_id):
852
 
        """Find the potential orphans in a directory.
853
 
 
854
 
        A directory can't be safely deleted if there are versioned files in it.
855
 
        If all the contained files are unversioned then they can be orphaned.
856
 
 
857
 
        The 'None' return value means that the directory contains at least one
858
 
        versioned file and should not be deleted.
859
 
 
860
 
        :param dir_id: The directory trans id.
861
 
 
862
 
        :return: A list of the orphan trans ids or None if at least one
863
 
             versioned file is present.
864
 
        """
865
 
        orphans = []
866
 
        # Find the potential orphans, stop if one item should be kept
867
 
        for child_tid in self.by_parent()[dir_id]:
868
 
            if child_tid in self._removed_contents:
869
 
                # The child is removed as part of the transform. Since it was
870
 
                # versioned before, it's not an orphan
871
 
                continue
872
 
            elif self.final_file_id(child_tid) is None:
873
 
                # The child is not versioned
874
 
                orphans.append(child_tid)
875
 
            else:
876
 
                # We have a versioned file here, searching for orphans is
877
 
                # meaningless.
878
 
                orphans = None
879
 
                break
880
 
        return orphans
881
 
 
882
720
    def _affected_ids(self):
883
721
        """Return the set of transform ids affected by the transform"""
884
722
        trans_ids = set(self._removed_id)
943
781
        Return a (name, parent, kind, executable) tuple
944
782
        """
945
783
        to_name = self.final_name(to_trans_id)
946
 
        to_kind = self.final_kind(to_trans_id)
 
784
        try:
 
785
            to_kind = self.final_kind(to_trans_id)
 
786
        except NoSuchFile:
 
787
            to_kind = None
947
788
        to_parent = self.final_file_id(self.final_parent(to_trans_id))
948
789
        if to_trans_id in self._new_executability:
949
790
            to_executable = self._new_executability[to_trans_id]
1018
859
    def get_preview_tree(self):
1019
860
        """Return a tree representing the result of the transform.
1020
861
 
1021
 
        The tree is a snapshot, and altering the TreeTransform will invalidate
1022
 
        it.
 
862
        This tree only supports the subset of Tree functionality required
 
863
        by show_diff_trees.  It must only be compared to tt._tree.
1023
864
        """
1024
865
        return _PreviewTree(self)
1025
866
 
1026
 
    def commit(self, branch, message, merge_parents=None, strict=False,
1027
 
               timestamp=None, timezone=None, committer=None, authors=None,
1028
 
               revprops=None, revision_id=None):
 
867
    def commit(self, branch, message, merge_parents=None, strict=False):
1029
868
        """Commit the result of this TreeTransform to a branch.
1030
869
 
1031
870
        :param branch: The branch to commit to.
1032
871
        :param message: The message to attach to the commit.
1033
 
        :param merge_parents: Additional parent revision-ids specified by
1034
 
            pending merges.
1035
 
        :param strict: If True, abort the commit if there are unversioned
1036
 
            files.
1037
 
        :param timestamp: if not None, seconds-since-epoch for the time and
1038
 
            date.  (May be a float.)
1039
 
        :param timezone: Optional timezone for timestamp, as an offset in
1040
 
            seconds.
1041
 
        :param committer: Optional committer in email-id format.
1042
 
            (e.g. "J Random Hacker <jrandom@example.com>")
1043
 
        :param authors: Optional list of authors in email-id format.
1044
 
        :param revprops: Optional dictionary of revision properties.
1045
 
        :param revision_id: Optional revision id.  (Specifying a revision-id
1046
 
            may reduce performance for some non-native formats.)
 
872
        :param merge_parents: Additional parents specified by pending merges.
1047
873
        :return: The revision_id of the revision committed.
1048
874
        """
1049
875
        self._check_malformed()
1066
892
        if self._tree.get_revision_id() != last_rev_id:
1067
893
            raise ValueError('TreeTransform not based on branch basis: %s' %
1068
894
                             self._tree.get_revision_id())
1069
 
        revprops = commit.Commit.update_revprops(revprops, branch, authors)
1070
 
        builder = branch.get_commit_builder(parent_ids,
1071
 
                                            timestamp=timestamp,
1072
 
                                            timezone=timezone,
1073
 
                                            committer=committer,
1074
 
                                            revprops=revprops,
1075
 
                                            revision_id=revision_id)
 
895
        builder = branch.get_commit_builder(parent_ids)
1076
896
        preview = self.get_preview_tree()
1077
897
        list(builder.record_iter_changes(preview, last_rev_id,
1078
898
                                         self.iter_changes()))
1180
1000
class DiskTreeTransform(TreeTransformBase):
1181
1001
    """Tree transform storing its contents on disk."""
1182
1002
 
1183
 
    def __init__(self, tree, limbodir, pb=None,
 
1003
    def __init__(self, tree, limbodir, pb=DummyProgress(),
1184
1004
                 case_sensitive=True):
1185
1005
        """Constructor.
1186
1006
        :param tree: The tree that will be transformed, but not necessarily
1187
1007
            the output tree.
1188
1008
        :param limbodir: A directory where new files can be stored until
1189
1009
            they are installed in their proper places
1190
 
        :param pb: ignored
 
1010
        :param pb: A ProgressBar indicating how much progress is being made
1191
1011
        :param case_sensitive: If True, the target of the transform is
1192
1012
            case sensitive, not just case preserving.
1193
1013
        """
1196
1016
        self._deletiondir = None
1197
1017
        # A mapping of transform ids to their limbo filename
1198
1018
        self._limbo_files = {}
1199
 
        self._possibly_stale_limbo_files = set()
1200
1019
        # A mapping of transform ids to a set of the transform ids of children
1201
1020
        # that their limbo directory has
1202
1021
        self._limbo_children = {}
1204
1023
        self._limbo_children_names = {}
1205
1024
        # List of transform ids that need to be renamed from limbo into place
1206
1025
        self._needs_rename = set()
1207
 
        self._creation_mtime = None
1208
1026
 
1209
1027
    def finalize(self):
1210
1028
        """Release the working tree lock, if held, clean up limbo dir.
1215
1033
        if self._tree is None:
1216
1034
            return
1217
1035
        try:
1218
 
            limbo_paths = self._limbo_files.values() + list(
1219
 
                self._possibly_stale_limbo_files)
1220
 
            limbo_paths = sorted(limbo_paths, reverse=True)
1221
 
            for path in limbo_paths:
1222
 
                try:
1223
 
                    delete_any(path)
1224
 
                except OSError, e:
1225
 
                    if e.errno != errno.ENOENT:
1226
 
                        raise
1227
 
                    # XXX: warn? perhaps we just got interrupted at an
1228
 
                    # inconvenient moment, but perhaps files are disappearing
1229
 
                    # from under us?
 
1036
            entries = [(self._limbo_name(t), t, k) for t, k in
 
1037
                       self._new_contents.iteritems()]
 
1038
            entries.sort(reverse=True)
 
1039
            for path, trans_id, kind in entries:
 
1040
                delete_any(path)
1230
1041
            try:
1231
1042
                delete_any(self._limbodir)
1232
1043
            except OSError:
1243
1054
    def _limbo_name(self, trans_id):
1244
1055
        """Generate the limbo name of a file"""
1245
1056
        limbo_name = self._limbo_files.get(trans_id)
1246
 
        if limbo_name is None:
1247
 
            limbo_name = self._generate_limbo_path(trans_id)
1248
 
            self._limbo_files[trans_id] = limbo_name
 
1057
        if limbo_name is not None:
 
1058
            return limbo_name
 
1059
        parent = self._new_parent.get(trans_id)
 
1060
        # if the parent directory is already in limbo (e.g. when building a
 
1061
        # tree), choose a limbo name inside the parent, to reduce further
 
1062
        # renames.
 
1063
        use_direct_path = False
 
1064
        if self._new_contents.get(parent) == 'directory':
 
1065
            filename = self._new_name.get(trans_id)
 
1066
            if filename is not None:
 
1067
                if parent not in self._limbo_children:
 
1068
                    self._limbo_children[parent] = set()
 
1069
                    self._limbo_children_names[parent] = {}
 
1070
                    use_direct_path = True
 
1071
                # the direct path can only be used if no other file has
 
1072
                # already taken this pathname, i.e. if the name is unused, or
 
1073
                # if it is already associated with this trans_id.
 
1074
                elif self._case_sensitive_target:
 
1075
                    if (self._limbo_children_names[parent].get(filename)
 
1076
                        in (trans_id, None)):
 
1077
                        use_direct_path = True
 
1078
                else:
 
1079
                    for l_filename, l_trans_id in\
 
1080
                        self._limbo_children_names[parent].iteritems():
 
1081
                        if l_trans_id == trans_id:
 
1082
                            continue
 
1083
                        if l_filename.lower() == filename.lower():
 
1084
                            break
 
1085
                    else:
 
1086
                        use_direct_path = True
 
1087
 
 
1088
        if use_direct_path:
 
1089
            limbo_name = pathjoin(self._limbo_files[parent], filename)
 
1090
            self._limbo_children[parent].add(trans_id)
 
1091
            self._limbo_children_names[parent][filename] = trans_id
 
1092
        else:
 
1093
            limbo_name = pathjoin(self._limbodir, trans_id)
 
1094
            self._needs_rename.add(trans_id)
 
1095
        self._limbo_files[trans_id] = limbo_name
1249
1096
        return limbo_name
1250
1097
 
1251
 
    def _generate_limbo_path(self, trans_id):
1252
 
        """Generate a limbo path using the trans_id as the relative path.
1253
 
 
1254
 
        This is suitable as a fallback, and when the transform should not be
1255
 
        sensitive to the path encoding of the limbo directory.
1256
 
        """
1257
 
        self._needs_rename.add(trans_id)
1258
 
        return pathjoin(self._limbodir, trans_id)
1259
 
 
1260
1098
    def adjust_path(self, name, parent, trans_id):
1261
1099
        previous_parent = self._new_parent.get(trans_id)
1262
1100
        previous_name = self._new_name.get(trans_id)
1264
1102
        if (trans_id in self._limbo_files and
1265
1103
            trans_id not in self._needs_rename):
1266
1104
            self._rename_in_limbo([trans_id])
1267
 
            if previous_parent != parent:
1268
 
                self._limbo_children[previous_parent].remove(trans_id)
1269
 
            if previous_parent != parent or previous_name != name:
1270
 
                del self._limbo_children_names[previous_parent][previous_name]
 
1105
            self._limbo_children[previous_parent].remove(trans_id)
 
1106
            del self._limbo_children_names[previous_parent][previous_name]
1271
1107
 
1272
1108
    def _rename_in_limbo(self, trans_ids):
1273
1109
        """Fix limbo names so that the right final path is produced.
1281
1117
        entries from _limbo_files, because they are now stale.
1282
1118
        """
1283
1119
        for trans_id in trans_ids:
1284
 
            old_path = self._limbo_files[trans_id]
1285
 
            self._possibly_stale_limbo_files.add(old_path)
1286
 
            del self._limbo_files[trans_id]
 
1120
            old_path = self._limbo_files.pop(trans_id)
1287
1121
            if trans_id not in self._new_contents:
1288
1122
                continue
1289
1123
            new_path = self._limbo_name(trans_id)
1290
1124
            os.rename(old_path, new_path)
1291
 
            self._possibly_stale_limbo_files.remove(old_path)
1292
 
            for descendant in self._limbo_descendants(trans_id):
1293
 
                desc_path = self._limbo_files[descendant]
1294
 
                desc_path = new_path + desc_path[len(old_path):]
1295
 
                self._limbo_files[descendant] = desc_path
1296
 
 
1297
 
    def _limbo_descendants(self, trans_id):
1298
 
        """Return the set of trans_ids whose limbo paths descend from this."""
1299
 
        descendants = set(self._limbo_children.get(trans_id, []))
1300
 
        for descendant in list(descendants):
1301
 
            descendants.update(self._limbo_descendants(descendant))
1302
 
        return descendants
1303
 
 
1304
 
    def create_file(self, contents, trans_id, mode_id=None, sha1=None):
 
1125
 
 
1126
    def create_file(self, contents, trans_id, mode_id=None):
1305
1127
        """Schedule creation of a new file.
1306
1128
 
1307
 
        :seealso: new_file.
1308
 
 
1309
 
        :param contents: an iterator of strings, all of which will be written
1310
 
            to the target destination.
1311
 
        :param trans_id: TreeTransform handle
1312
 
        :param mode_id: If not None, force the mode of the target file to match
1313
 
            the mode of the object referenced by mode_id.
1314
 
            Otherwise, we will try to preserve mode bits of an existing file.
1315
 
        :param sha1: If the sha1 of this content is already known, pass it in.
1316
 
            We can use it to prevent future sha1 computations.
 
1129
        See also new_file.
 
1130
 
 
1131
        Contents is an iterator of strings, all of which will be written
 
1132
        to the target destination.
 
1133
 
 
1134
        New file takes the permissions of any existing file with that id,
 
1135
        unless mode_id is specified.
1317
1136
        """
1318
1137
        name = self._limbo_name(trans_id)
1319
1138
        f = open(name, 'wb')
1320
1139
        try:
1321
 
            unique_add(self._new_contents, trans_id, 'file')
 
1140
            try:
 
1141
                unique_add(self._new_contents, trans_id, 'file')
 
1142
            except:
 
1143
                # Clean up the file, it never got registered so
 
1144
                # TreeTransform.finalize() won't clean it up.
 
1145
                f.close()
 
1146
                os.unlink(name)
 
1147
                raise
 
1148
 
1322
1149
            f.writelines(contents)
1323
1150
        finally:
1324
1151
            f.close()
1325
 
        self._set_mtime(name)
1326
1152
        self._set_mode(trans_id, mode_id, S_ISREG)
1327
 
        # It is unfortunate we have to use lstat instead of fstat, but we just
1328
 
        # used utime and chmod on the file, so we need the accurate final
1329
 
        # details.
1330
 
        if sha1 is not None:
1331
 
            self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1332
1153
 
1333
1154
    def _read_file_chunks(self, trans_id):
1334
1155
        cur_file = open(self._limbo_name(trans_id), 'rb')
1340
1161
    def _read_symlink_target(self, trans_id):
1341
1162
        return os.readlink(self._limbo_name(trans_id))
1342
1163
 
1343
 
    def _set_mtime(self, path):
1344
 
        """All files that are created get the same mtime.
1345
 
 
1346
 
        This time is set by the first object to be created.
1347
 
        """
1348
 
        if self._creation_mtime is None:
1349
 
            self._creation_mtime = time.time()
1350
 
        os.utime(path, (self._creation_mtime, self._creation_mtime))
1351
 
 
1352
1164
    def create_hardlink(self, path, trans_id):
1353
1165
        """Schedule creation of a hard link"""
1354
1166
        name = self._limbo_name(trans_id)
1393
1205
    def cancel_creation(self, trans_id):
1394
1206
        """Cancel the creation of new file contents."""
1395
1207
        del self._new_contents[trans_id]
1396
 
        if trans_id in self._observed_sha1s:
1397
 
            del self._observed_sha1s[trans_id]
1398
1208
        children = self._limbo_children.get(trans_id)
1399
1209
        # if this is a limbo directory with children, move them before removing
1400
1210
        # the directory
1404
1214
            del self._limbo_children_names[trans_id]
1405
1215
        delete_any(self._limbo_name(trans_id))
1406
1216
 
1407
 
    def new_orphan(self, trans_id, parent_id):
1408
 
        # FIXME: There is no tree config, so we use the branch one (it's weird
1409
 
        # to define it this way as orphaning can only occur in a working tree,
1410
 
        # but that's all we have (for now). It will find the option in
1411
 
        # locations.conf or bazaar.conf though) -- vila 20100916
1412
 
        conf = self._tree.branch.get_config()
1413
 
        conf_var_name = 'bzr.transform.orphan_policy'
1414
 
        orphan_policy = conf.get_user_option(conf_var_name)
1415
 
        default_policy = orphaning_registry.default_key
1416
 
        if orphan_policy is None:
1417
 
            orphan_policy = default_policy
1418
 
        if orphan_policy not in orphaning_registry:
1419
 
            trace.warning('%s (from %s) is not a known policy, defaulting '
1420
 
                'to %s' % (orphan_policy, conf_var_name, default_policy))
1421
 
            orphan_policy = default_policy
1422
 
        handle_orphan = orphaning_registry.get(orphan_policy)
1423
 
        handle_orphan(self, trans_id, parent_id)
1424
 
 
1425
 
 
1426
 
class OrphaningError(errors.BzrError):
1427
 
 
1428
 
    # Only bugs could lead to such exception being seen by the user
1429
 
    internal_error = True
1430
 
    _fmt = "Error while orphaning %s in %s directory"
1431
 
 
1432
 
    def __init__(self, orphan, parent):
1433
 
        errors.BzrError.__init__(self)
1434
 
        self.orphan = orphan
1435
 
        self.parent = parent
1436
 
 
1437
 
 
1438
 
class OrphaningForbidden(OrphaningError):
1439
 
 
1440
 
    _fmt = "Policy: %s doesn't allow creating orphans."
1441
 
 
1442
 
    def __init__(self, policy):
1443
 
        errors.BzrError.__init__(self)
1444
 
        self.policy = policy
1445
 
 
1446
 
 
1447
 
def move_orphan(tt, orphan_id, parent_id):
1448
 
    """See TreeTransformBase.new_orphan.
1449
 
 
1450
 
    This creates a new orphan in the `bzr-orphans` dir at the root of the
1451
 
    `TreeTransform`.
1452
 
 
1453
 
    :param tt: The TreeTransform orphaning `trans_id`.
1454
 
 
1455
 
    :param orphan_id: The trans id that should be orphaned.
1456
 
 
1457
 
    :param parent_id: The orphan parent trans id.
1458
 
    """
1459
 
    # Add the orphan dir if it doesn't exist
1460
 
    orphan_dir_basename = 'bzr-orphans'
1461
 
    od_id = tt.trans_id_tree_path(orphan_dir_basename)
1462
 
    if tt.final_kind(od_id) is None:
1463
 
        tt.create_directory(od_id)
1464
 
    parent_path = tt._tree_id_paths[parent_id]
1465
 
    # Find a name that doesn't exist yet in the orphan dir
1466
 
    actual_name = tt.final_name(orphan_id)
1467
 
    new_name = tt._available_backup_name(actual_name, od_id)
1468
 
    tt.adjust_path(new_name, od_id, orphan_id)
1469
 
    trace.warning('%s has been orphaned in %s'
1470
 
                  % (joinpath(parent_path, actual_name), orphan_dir_basename))
1471
 
 
1472
 
 
1473
 
def refuse_orphan(tt, orphan_id, parent_id):
1474
 
    """See TreeTransformBase.new_orphan.
1475
 
 
1476
 
    This refuses to create orphan, letting the caller handle the conflict.
1477
 
    """
1478
 
    raise OrphaningForbidden('never')
1479
 
 
1480
 
 
1481
 
orphaning_registry = registry.Registry()
1482
 
orphaning_registry.register(
1483
 
    'conflict', refuse_orphan,
1484
 
    'Leave orphans in place and create a conflict on the directory.')
1485
 
orphaning_registry.register(
1486
 
    'move', move_orphan,
1487
 
    'Move orphans into the bzr-orphans directory.')
1488
 
orphaning_registry._set_default_key('conflict')
1489
 
 
1490
1217
 
1491
1218
class TreeTransform(DiskTreeTransform):
1492
1219
    """Represent a tree transformation.
1553
1280
    FileMover does not delete files until it is sure that a rollback will not
1554
1281
    happen.
1555
1282
    """
1556
 
    def __init__(self, tree, pb=None):
 
1283
    def __init__(self, tree, pb=DummyProgress()):
1557
1284
        """Note: a tree_write lock is taken on the tree.
1558
1285
 
1559
1286
        Use TreeTransform.finalize() to release the lock (can be omitted if
1610
1337
    def tree_kind(self, trans_id):
1611
1338
        """Determine the file kind in the working tree.
1612
1339
 
1613
 
        :returns: The file kind or None if the file does not exist
 
1340
        Raises NoSuchFile if the file does not exist
1614
1341
        """
1615
1342
        path = self._tree_id_paths.get(trans_id)
1616
1343
        if path is None:
1617
 
            return None
 
1344
            raise NoSuchFile(None)
1618
1345
        try:
1619
1346
            return file_kind(self._tree.abspath(path))
1620
 
        except errors.NoSuchFile:
1621
 
            return None
 
1347
        except OSError, e:
 
1348
            if e.errno != errno.ENOENT:
 
1349
                raise
 
1350
            else:
 
1351
                raise NoSuchFile(path)
1622
1352
 
1623
1353
    def _set_mode(self, trans_id, mode_id, typefunc):
1624
1354
        """Set the mode of new file contents.
1666
1396
                continue
1667
1397
            yield self.trans_id_tree_path(childpath)
1668
1398
 
1669
 
    def _generate_limbo_path(self, trans_id):
1670
 
        """Generate a limbo path using the final path if possible.
1671
 
 
1672
 
        This optimizes the performance of applying the tree transform by
1673
 
        avoiding renames.  These renames can be avoided only when the parent
1674
 
        directory is already scheduled for creation.
1675
 
 
1676
 
        If the final path cannot be used, falls back to using the trans_id as
1677
 
        the relpath.
1678
 
        """
1679
 
        parent = self._new_parent.get(trans_id)
1680
 
        # if the parent directory is already in limbo (e.g. when building a
1681
 
        # tree), choose a limbo name inside the parent, to reduce further
1682
 
        # renames.
1683
 
        use_direct_path = False
1684
 
        if self._new_contents.get(parent) == 'directory':
1685
 
            filename = self._new_name.get(trans_id)
1686
 
            if filename is not None:
1687
 
                if parent not in self._limbo_children:
1688
 
                    self._limbo_children[parent] = set()
1689
 
                    self._limbo_children_names[parent] = {}
1690
 
                    use_direct_path = True
1691
 
                # the direct path can only be used if no other file has
1692
 
                # already taken this pathname, i.e. if the name is unused, or
1693
 
                # if it is already associated with this trans_id.
1694
 
                elif self._case_sensitive_target:
1695
 
                    if (self._limbo_children_names[parent].get(filename)
1696
 
                        in (trans_id, None)):
1697
 
                        use_direct_path = True
1698
 
                else:
1699
 
                    for l_filename, l_trans_id in\
1700
 
                        self._limbo_children_names[parent].iteritems():
1701
 
                        if l_trans_id == trans_id:
1702
 
                            continue
1703
 
                        if l_filename.lower() == filename.lower():
1704
 
                            break
1705
 
                    else:
1706
 
                        use_direct_path = True
1707
 
 
1708
 
        if not use_direct_path:
1709
 
            return DiskTreeTransform._generate_limbo_path(self, trans_id)
1710
 
 
1711
 
        limbo_name = pathjoin(self._limbo_files[parent], filename)
1712
 
        self._limbo_children[parent].add(trans_id)
1713
 
        self._limbo_children_names[parent][filename] = trans_id
1714
 
        return limbo_name
1715
 
 
1716
 
 
1717
1399
    def apply(self, no_conflicts=False, precomputed_delta=None, _mover=None):
1718
1400
        """Apply all changes to the inventory and filesystem.
1719
1401
 
1730
1412
        """
1731
1413
        if not no_conflicts:
1732
1414
            self._check_malformed()
1733
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1415
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1734
1416
        try:
1735
1417
            if precomputed_delta is None:
1736
1418
                child_pb.update('Apply phase', 0, 2)
1756
1438
        finally:
1757
1439
            child_pb.finished()
1758
1440
        self._tree.apply_inventory_delta(inventory_delta)
1759
 
        self._apply_observed_sha1s()
1760
1441
        self._done = True
1761
1442
        self.finalize()
1762
1443
        return _TransformResults(modified_paths, self.rename_count)
1764
1445
    def _generate_inventory_delta(self):
1765
1446
        """Generate an inventory delta for the current transform."""
1766
1447
        inventory_delta = []
1767
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1448
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1768
1449
        new_paths = self._inventory_altered()
1769
1450
        total_entries = len(new_paths) + len(self._removed_id)
1770
1451
        try:
1794
1475
                if file_id is None:
1795
1476
                    continue
1796
1477
                needs_entry = False
1797
 
                kind = self.final_kind(trans_id)
1798
 
                if kind is None:
 
1478
                try:
 
1479
                    kind = self.final_kind(trans_id)
 
1480
                except NoSuchFile:
1799
1481
                    kind = self._tree.stored_kind(file_id)
1800
1482
                parent_trans_id = self.final_parent(trans_id)
1801
1483
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1832
1514
        """
1833
1515
        tree_paths = list(self._tree_path_ids.iteritems())
1834
1516
        tree_paths.sort(reverse=True)
1835
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1517
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1836
1518
        try:
1837
 
            for num, (path, trans_id) in enumerate(tree_paths):
1838
 
                # do not attempt to move root into a subdirectory of itself.
1839
 
                if path == '':
1840
 
                    continue
 
1519
            for num, data in enumerate(tree_paths):
 
1520
                path, trans_id = data
1841
1521
                child_pb.update('removing file', num, len(tree_paths))
1842
1522
                full_path = self._tree.abspath(path)
1843
1523
                if trans_id in self._removed_contents:
1844
 
                    delete_path = os.path.join(self._deletiondir, trans_id)
1845
 
                    mover.pre_delete(full_path, delete_path)
1846
 
                elif (trans_id in self._new_name
1847
 
                      or trans_id in self._new_parent):
 
1524
                    mover.pre_delete(full_path, os.path.join(self._deletiondir,
 
1525
                                     trans_id))
 
1526
                elif trans_id in self._new_name or trans_id in \
 
1527
                    self._new_parent:
1848
1528
                    try:
1849
1529
                        mover.rename(full_path, self._limbo_name(trans_id))
1850
 
                    except errors.TransformRenameFailed, e:
 
1530
                    except OSError, e:
1851
1531
                        if e.errno != errno.ENOENT:
1852
1532
                            raise
1853
1533
                    else:
1869
1549
        modified_paths = []
1870
1550
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1871
1551
                                 new_paths)
1872
 
        child_pb = ui.ui_factory.nested_progress_bar()
 
1552
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1873
1553
        try:
1874
1554
            for num, (path, trans_id) in enumerate(new_paths):
1875
1555
                if (num % 10) == 0:
1878
1558
                if trans_id in self._needs_rename:
1879
1559
                    try:
1880
1560
                        mover.rename(self._limbo_name(trans_id), full_path)
1881
 
                    except errors.TransformRenameFailed, e:
 
1561
                    except OSError, e:
1882
1562
                        # We may be renaming a dangling inventory id
1883
1563
                        if e.errno != errno.ENOENT:
1884
1564
                            raise
1885
1565
                    else:
1886
1566
                        self.rename_count += 1
1887
 
                    # TODO: if trans_id in self._observed_sha1s, we should
1888
 
                    #       re-stat the final target, since ctime will be
1889
 
                    #       updated by the change.
1890
1567
                if (trans_id in self._new_contents or
1891
1568
                    self.path_changed(trans_id)):
1892
1569
                    if trans_id in self._new_contents:
1893
1570
                        modified_paths.append(full_path)
1894
1571
                if trans_id in self._new_executability:
1895
1572
                    self._set_executability(path, trans_id)
1896
 
                if trans_id in self._observed_sha1s:
1897
 
                    o_sha1, o_st_val = self._observed_sha1s[trans_id]
1898
 
                    st = osutils.lstat(full_path)
1899
 
                    self._observed_sha1s[trans_id] = (o_sha1, st)
1900
1573
        finally:
1901
1574
            child_pb.finished()
1902
 
        for path, trans_id in new_paths:
1903
 
            # new_paths includes stuff like workingtree conflicts. Only the
1904
 
            # stuff in new_contents actually comes from limbo.
1905
 
            if trans_id in self._limbo_files:
1906
 
                del self._limbo_files[trans_id]
1907
1575
        self._new_contents.clear()
1908
1576
        return modified_paths
1909
1577
 
1910
 
    def _apply_observed_sha1s(self):
1911
 
        """After we have finished renaming everything, update observed sha1s
1912
 
 
1913
 
        This has to be done after self._tree.apply_inventory_delta, otherwise
1914
 
        it doesn't know anything about the files we are updating. Also, we want
1915
 
        to do this as late as possible, so that most entries end up cached.
1916
 
        """
1917
 
        # TODO: this doesn't update the stat information for directories. So
1918
 
        #       the first 'bzr status' will still need to rewrite
1919
 
        #       .bzr/checkout/dirstate. However, we at least don't need to
1920
 
        #       re-read all of the files.
1921
 
        # TODO: If the operation took a while, we could do a time.sleep(3) here
1922
 
        #       to allow the clock to tick over and ensure we won't have any
1923
 
        #       problems. (we could observe start time, and finish time, and if
1924
 
        #       it is less than eg 10% overhead, add a sleep call.)
1925
 
        paths = FinalPaths(self)
1926
 
        for trans_id, observed in self._observed_sha1s.iteritems():
1927
 
            path = paths.get_path(trans_id)
1928
 
            # We could get the file_id, but dirstate prefers to use the path
1929
 
            # anyway, and it is 'cheaper' to determine.
1930
 
            # file_id = self._new_id[trans_id]
1931
 
            self._tree._observed_sha1(None, path, observed)
1932
 
 
1933
1578
 
1934
1579
class TransformPreview(DiskTreeTransform):
1935
1580
    """A TreeTransform for generating preview trees.
1939
1584
    unversioned files in the input tree.
1940
1585
    """
1941
1586
 
1942
 
    def __init__(self, tree, pb=None, case_sensitive=True):
 
1587
    def __init__(self, tree, pb=DummyProgress(), case_sensitive=True):
1943
1588
        tree.lock_read()
1944
1589
        limbodir = osutils.mkdtemp(prefix='bzr-limbo-')
1945
1590
        DiskTreeTransform.__init__(self, tree, limbodir, pb, case_sensitive)
1950
1595
    def tree_kind(self, trans_id):
1951
1596
        path = self._tree_id_paths.get(trans_id)
1952
1597
        if path is None:
1953
 
            return None
1954
 
        kind = self._tree.path_content_summary(path)[0]
1955
 
        if kind == 'missing':
1956
 
            kind = None
1957
 
        return kind
 
1598
            raise NoSuchFile(None)
 
1599
        file_id = self._tree.path2id(path)
 
1600
        return self._tree.kind(file_id)
1958
1601
 
1959
1602
    def _set_mode(self, trans_id, mode_id, typefunc):
1960
1603
        """Set the mode of new file contents.
1980
1623
            childpath = joinpath(path, child)
1981
1624
            yield self.trans_id_tree_path(childpath)
1982
1625
 
1983
 
    def new_orphan(self, trans_id, parent_id):
1984
 
        raise NotImplementedError(self.new_orphan)
1985
 
 
1986
 
 
1987
 
class _PreviewTree(tree.InventoryTree):
 
1626
 
 
1627
class _PreviewTree(tree.Tree):
1988
1628
    """Partial implementation of Tree to support show_diff_trees"""
1989
1629
 
1990
1630
    def __init__(self, transform):
1995
1635
        self._all_children_cache = {}
1996
1636
        self._path2trans_id_cache = {}
1997
1637
        self._final_name_cache = {}
1998
 
        self._iter_changes_cache = dict((c[0], c) for c in
1999
 
                                        self._transform.iter_changes())
 
1638
 
 
1639
    def _changes(self, file_id):
 
1640
        for changes in self._transform.iter_changes():
 
1641
            if changes[0] == file_id:
 
1642
                return changes
2000
1643
 
2001
1644
    def _content_change(self, file_id):
2002
1645
        """Return True if the content of this file changed"""
2003
 
        changes = self._iter_changes_cache.get(file_id)
 
1646
        changes = self._changes(file_id)
2004
1647
        # changes[2] is true if the file content changed.  See
2005
1648
        # InterTree.iter_changes.
2006
1649
        return (changes is not None and changes[2])
2019
1662
                yield self._get_repository().revision_tree(revision_id)
2020
1663
 
2021
1664
    def _get_file_revision(self, file_id, vf, tree_revision):
2022
 
        parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
 
1665
        parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2023
1666
                       self._iter_parent_trees()]
2024
1667
        vf.add_lines((file_id, tree_revision), parent_keys,
2025
 
                     self.get_file_lines(file_id))
 
1668
                     self.get_file(file_id).readlines())
2026
1669
        repo = self._get_repository()
2027
1670
        base_vf = repo.texts
2028
1671
        if base_vf not in vf.fallback_versionedfiles:
2029
1672
            vf.fallback_versionedfiles.append(base_vf)
2030
1673
        return tree_revision
2031
1674
 
2032
 
    def _stat_limbo_file(self, file_id=None, trans_id=None):
2033
 
        if trans_id is None:
2034
 
            trans_id = self._transform.trans_id_file_id(file_id)
 
1675
    def _stat_limbo_file(self, file_id):
 
1676
        trans_id = self._transform.trans_id_file_id(file_id)
2035
1677
        name = self._transform._limbo_name(trans_id)
2036
1678
        return os.lstat(name)
2037
1679
 
2051
1693
            executable = self.is_executable(file_id, path)
2052
1694
        return kind, executable, None
2053
1695
 
2054
 
    def is_locked(self):
2055
 
        return False
2056
 
 
2057
1696
    def lock_read(self):
2058
1697
        # Perhaps in theory, this should lock the TreeTransform?
2059
 
        return self
 
1698
        pass
2060
1699
 
2061
1700
    def unlock(self):
2062
1701
        pass
2151
1790
            if self._transform.final_file_id(trans_id) is None:
2152
1791
                yield self._final_paths._determine_path(trans_id)
2153
1792
 
2154
 
    def _make_inv_entries(self, ordered_entries, specific_file_ids=None,
2155
 
        yield_parents=False):
 
1793
    def _make_inv_entries(self, ordered_entries, specific_file_ids=None):
2156
1794
        for trans_id, parent_file_id in ordered_entries:
2157
1795
            file_id = self._transform.final_file_id(trans_id)
2158
1796
            if file_id is None:
2160
1798
            if (specific_file_ids is not None
2161
1799
                and file_id not in specific_file_ids):
2162
1800
                continue
2163
 
            kind = self._transform.final_kind(trans_id)
2164
 
            if kind is None:
 
1801
            try:
 
1802
                kind = self._transform.final_kind(trans_id)
 
1803
            except NoSuchFile:
2165
1804
                kind = self._transform._tree.stored_kind(file_id)
2166
1805
            new_entry = inventory.make_entry(
2167
1806
                kind,
2183
1822
                ordered_ids.append((trans_id, parent_file_id))
2184
1823
        return ordered_ids
2185
1824
 
2186
 
    def iter_entries_by_dir(self, specific_file_ids=None, yield_parents=False):
 
1825
    def iter_entries_by_dir(self, specific_file_ids=None):
2187
1826
        # This may not be a maximally efficient implementation, but it is
2188
1827
        # reasonably straightforward.  An implementation that grafts the
2189
1828
        # TreeTransform changes onto the tree's iter_entries_by_dir results
2191
1830
        # position.
2192
1831
        ordered_ids = self._list_files_by_dir()
2193
1832
        for entry, trans_id in self._make_inv_entries(ordered_ids,
2194
 
            specific_file_ids, yield_parents=yield_parents):
 
1833
                                                      specific_file_ids):
2195
1834
            yield unicode(self._final_paths.get_path(trans_id)), entry
2196
1835
 
2197
1836
    def _iter_entries_for_dir(self, dir_path):
2244
1883
    def get_file_mtime(self, file_id, path=None):
2245
1884
        """See Tree.get_file_mtime"""
2246
1885
        if not self._content_change(file_id):
2247
 
            return self._transform._tree.get_file_mtime(file_id)
 
1886
            return self._transform._tree.get_file_mtime(file_id, path)
2248
1887
        return self._stat_limbo_file(file_id).st_mtime
2249
1888
 
2250
1889
    def _file_size(self, entry, stat_value):
2252
1891
 
2253
1892
    def get_file_size(self, file_id):
2254
1893
        """See Tree.get_file_size"""
2255
 
        trans_id = self._transform.trans_id_file_id(file_id)
2256
 
        kind = self._transform.final_kind(trans_id)
2257
 
        if kind != 'file':
2258
 
            return None
2259
 
        if trans_id in self._transform._new_contents:
2260
 
            return self._stat_limbo_file(trans_id=trans_id).st_size
2261
1894
        if self.kind(file_id) == 'file':
2262
1895
            return self._transform._tree.get_file_size(file_id)
2263
1896
        else:
2291
1924
            except errors.NoSuchId:
2292
1925
                return False
2293
1926
 
2294
 
    def has_filename(self, path):
2295
 
        trans_id = self._path2trans_id(path)
2296
 
        if trans_id in self._transform._new_contents:
2297
 
            return True
2298
 
        elif trans_id in self._transform._removed_contents:
2299
 
            return False
2300
 
        else:
2301
 
            return self._transform._tree.has_filename(path)
2302
 
 
2303
1927
    def path_content_summary(self, path):
2304
1928
        trans_id = self._path2trans_id(path)
2305
1929
        tt = self._transform
2319
1943
                statval = os.lstat(limbo_name)
2320
1944
                size = statval.st_size
2321
1945
                if not supports_executable():
2322
 
                    executable = False
 
1946
                    executable = None
2323
1947
                else:
2324
1948
                    executable = statval.st_mode & S_IEXEC
2325
1949
            else:
2327
1951
                executable = None
2328
1952
            if kind == 'symlink':
2329
1953
                link_or_sha1 = os.readlink(limbo_name).decode(osutils._fs_enc)
2330
 
        executable = tt._new_executability.get(trans_id, executable)
 
1954
        if supports_executable():
 
1955
            executable = tt._new_executability.get(trans_id, executable)
2331
1956
        return kind, size, executable, link_or_sha1
2332
1957
 
2333
1958
    def iter_changes(self, from_tree, include_unchanged=False,
2364
1989
 
2365
1990
    def annotate_iter(self, file_id,
2366
1991
                      default_revision=_mod_revision.CURRENT_REVISION):
2367
 
        changes = self._iter_changes_cache.get(file_id)
 
1992
        changes = self._changes(file_id)
2368
1993
        if changes is None:
2369
1994
            get_old = True
2370
1995
        else:
2393
2018
                                   self.get_file(file_id).readlines(),
2394
2019
                                   default_revision)
2395
2020
 
2396
 
    def get_symlink_target(self, file_id, path=None):
 
2021
    def get_symlink_target(self, file_id):
2397
2022
        """See Tree.get_symlink_target"""
2398
2023
        if not self._content_change(file_id):
2399
2024
            return self._transform._tree.get_symlink_target(file_id)
2414
2039
                path_from_root = self._final_paths.get_path(child_id)
2415
2040
                basename = self._transform.final_name(child_id)
2416
2041
                file_id = self._transform.final_file_id(child_id)
2417
 
                kind  = self._transform.final_kind(child_id)
2418
 
                if kind is not None:
 
2042
                try:
 
2043
                    kind = self._transform.final_kind(child_id)
2419
2044
                    versioned_kind = kind
2420
 
                else:
 
2045
                except NoSuchFile:
2421
2046
                    kind = 'unknown'
2422
2047
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2423
2048
                if versioned_kind == 'directory':
2536
2161
    for num, _unused in enumerate(wt.all_file_ids()):
2537
2162
        if num > 0:  # more than just a root
2538
2163
            raise errors.WorkingTreeAlreadyPopulated(base=wt.basedir)
 
2164
    existing_files = set()
 
2165
    for dir, files in wt.walkdirs():
 
2166
        existing_files.update(f[0] for f in files)
2539
2167
    file_trans_id = {}
2540
 
    top_pb = ui.ui_factory.nested_progress_bar()
 
2168
    top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2541
2169
    pp = ProgressPhase("Build phase", 2, top_pb)
2542
2170
    if tree.inventory.root is not None:
2543
2171
        # This is kind of a hack: we should be altering the root
2556
2184
        pp.next_phase()
2557
2185
        file_trans_id[wt.get_root_id()] = \
2558
2186
            tt.trans_id_tree_file_id(wt.get_root_id())
2559
 
        pb = ui.ui_factory.nested_progress_bar()
 
2187
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
2560
2188
        try:
2561
2189
            deferred_contents = []
2562
2190
            num = 0
2565
2193
                precomputed_delta = []
2566
2194
            else:
2567
2195
                precomputed_delta = None
2568
 
            # Check if tree inventory has content. If so, we populate
2569
 
            # existing_files with the directory content. If there are no
2570
 
            # entries we skip populating existing_files as its not used.
2571
 
            # This improves performance and unncessary work on large
2572
 
            # directory trees. (#501307)
2573
 
            if total > 0:
2574
 
                existing_files = set()
2575
 
                for dir, files in wt.walkdirs():
2576
 
                    existing_files.update(f[0] for f in files)
2577
2196
            for num, (tree_path, entry) in \
2578
2197
                enumerate(tree.inventory.iter_entries_by_dir()):
2579
2198
                pb.update("Building tree", num - len(deferred_contents), total)
2609
2228
                    executable = tree.is_executable(file_id, tree_path)
2610
2229
                    if executable:
2611
2230
                        tt.set_executability(executable, trans_id)
2612
 
                    trans_data = (trans_id, tree_path, entry.text_sha1)
 
2231
                    trans_data = (trans_id, tree_path)
2613
2232
                    deferred_contents.append((file_id, trans_data))
2614
2233
                else:
2615
2234
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2631
2250
            precomputed_delta = None
2632
2251
        conflicts = cook_conflicts(raw_conflicts, tt)
2633
2252
        for conflict in conflicts:
2634
 
            trace.warning(unicode(conflict))
 
2253
            warning(conflict)
2635
2254
        try:
2636
2255
            wt.add_conflicts(conflicts)
2637
2256
        except errors.UnsupportedOperation:
2652
2271
        new_desired_files = desired_files
2653
2272
    else:
2654
2273
        iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2655
 
        unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2656
 
                     in iter if not (c or e[0] != e[1])]
2657
 
        if accelerator_tree.supports_content_filtering():
2658
 
            unchanged = [(f, p) for (f, p) in unchanged
2659
 
                         if not accelerator_tree.iter_search_rules([p]).next()]
2660
 
        unchanged = dict(unchanged)
 
2274
        unchanged = dict((f, p[1]) for (f, p, c, v, d, n, k, e)
 
2275
                         in iter if not (c or e[0] != e[1]))
2661
2276
        new_desired_files = []
2662
2277
        count = 0
2663
 
        for file_id, (trans_id, tree_path, text_sha1) in desired_files:
 
2278
        for file_id, (trans_id, tree_path) in desired_files:
2664
2279
            accelerator_path = unchanged.get(file_id)
2665
2280
            if accelerator_path is None:
2666
 
                new_desired_files.append((file_id,
2667
 
                    (trans_id, tree_path, text_sha1)))
 
2281
                new_desired_files.append((file_id, (trans_id, tree_path)))
2668
2282
                continue
2669
2283
            pb.update('Adding file contents', count + offset, total)
2670
2284
            if hardlink:
2677
2291
                    contents = filtered_output_bytes(contents, filters,
2678
2292
                        ContentFilterContext(tree_path, tree))
2679
2293
                try:
2680
 
                    tt.create_file(contents, trans_id, sha1=text_sha1)
 
2294
                    tt.create_file(contents, trans_id)
2681
2295
                finally:
2682
2296
                    try:
2683
2297
                        contents.close()
2686
2300
                        pass
2687
2301
            count += 1
2688
2302
        offset += count
2689
 
    for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
 
2303
    for count, ((trans_id, tree_path), contents) in enumerate(
2690
2304
            tree.iter_files_bytes(new_desired_files)):
2691
2305
        if wt.supports_content_filtering():
2692
2306
            filters = wt._content_filter_stack(tree_path)
2693
2307
            contents = filtered_output_bytes(contents, filters,
2694
2308
                ContentFilterContext(tree_path, tree))
2695
 
        tt.create_file(contents, trans_id, sha1=text_sha1)
 
2309
        tt.create_file(contents, trans_id)
2696
2310
        pb.update('Adding file contents', count + offset, total)
2697
2311
 
2698
2312
 
2700
2314
    for child in tt.iter_tree_children(old_parent):
2701
2315
        tt.adjust_path(tt.final_name(child), new_parent, child)
2702
2316
 
2703
 
 
2704
2317
def _reparent_transform_children(tt, old_parent, new_parent):
2705
2318
    by_parent = tt.by_parent()
2706
2319
    for child in by_parent[old_parent]:
2707
2320
        tt.adjust_path(tt.final_name(child), new_parent, child)
2708
2321
    return by_parent[old_parent]
2709
2322
 
2710
 
 
2711
2323
def _content_match(tree, entry, file_id, kind, target_path):
2712
2324
    if entry.kind != kind:
2713
2325
        return False
2714
2326
    if entry.kind == "directory":
2715
2327
        return True
2716
2328
    if entry.kind == "file":
2717
 
        f = file(target_path, 'rb')
2718
 
        try:
2719
 
            if tree.get_file_text(file_id) == f.read():
2720
 
                return True
2721
 
        finally:
2722
 
            f.close()
 
2329
        if tree.get_file(file_id).read() == file(target_path, 'rb').read():
 
2330
            return True
2723
2331
    elif entry.kind == "symlink":
2724
2332
        if tree.get_symlink_target(file_id) == os.readlink(target_path):
2725
2333
            return True
2777
2385
        raise errors.BadFileKindError(name, kind)
2778
2386
 
2779
2387
 
2780
 
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2781
 
    filter_tree_path=None):
2782
 
    """Create new file contents according to tree contents.
2783
 
    
2784
 
    :param filter_tree_path: the tree path to use to lookup
2785
 
      content filters to apply to the bytes output in the working tree.
2786
 
      This only applies if the working tree supports content filtering.
 
2388
@deprecated_function(deprecated_in((1, 9, 0)))
 
2389
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
 
2390
    """Create new file contents according to an inventory entry.
 
2391
 
 
2392
    DEPRECATED.  Use create_from_tree instead.
2787
2393
    """
 
2394
    if entry.kind == "file":
 
2395
        if lines is None:
 
2396
            lines = tree.get_file(entry.file_id).readlines()
 
2397
        tt.create_file(lines, trans_id, mode_id=mode_id)
 
2398
    elif entry.kind == "symlink":
 
2399
        tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
 
2400
    elif entry.kind == "directory":
 
2401
        tt.create_directory(trans_id)
 
2402
 
 
2403
 
 
2404
def create_from_tree(tt, trans_id, tree, file_id, bytes=None):
 
2405
    """Create new file contents according to tree contents."""
2788
2406
    kind = tree.kind(file_id)
2789
2407
    if kind == 'directory':
2790
2408
        tt.create_directory(trans_id)
2795
2413
                bytes = tree_file.readlines()
2796
2414
            finally:
2797
2415
                tree_file.close()
2798
 
        wt = tt._tree
2799
 
        if wt.supports_content_filtering() and filter_tree_path is not None:
2800
 
            filters = wt._content_filter_stack(filter_tree_path)
2801
 
            bytes = filtered_output_bytes(bytes, filters,
2802
 
                ContentFilterContext(filter_tree_path, tree))
2803
2416
        tt.create_file(bytes, trans_id)
2804
2417
    elif kind == "symlink":
2805
2418
        tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2813
2426
        tt.set_executability(entry.executable, trans_id)
2814
2427
 
2815
2428
 
2816
 
@deprecated_function(deprecated_in((2, 3, 0)))
2817
2429
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2818
2430
    return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2819
2431
 
2820
2432
 
2821
 
@deprecated_function(deprecated_in((2, 3, 0)))
2822
2433
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2823
2434
    """Produce a backup-style name that appears to be available"""
2824
2435
    def name_gen():
2859
2470
 
2860
2471
 
2861
2472
def revert(working_tree, target_tree, filenames, backups=False,
2862
 
           pb=None, change_reporter=None):
 
2473
           pb=DummyProgress(), change_reporter=None):
2863
2474
    """Revert a working tree's contents to those of a target tree."""
2864
2475
    target_tree.lock_read()
2865
 
    pb = ui.ui_factory.nested_progress_bar()
2866
2476
    tt = TreeTransform(working_tree, pb)
2867
2477
    try:
2868
2478
        pp = ProgressPhase("Revert phase", 3, pb)
2873
2483
                unversioned_filter=working_tree.is_ignored)
2874
2484
            delta.report_changes(tt.iter_changes(), change_reporter)
2875
2485
        for conflict in conflicts:
2876
 
            trace.warning(unicode(conflict))
 
2486
            warning(conflict)
2877
2487
        pp.next_phase()
2878
2488
        tt.apply()
2879
2489
        working_tree.set_merge_modified(merge_modified)
2887
2497
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2888
2498
                              backups, pp, basis_tree=None,
2889
2499
                              merge_modified=None):
2890
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2500
    pp.next_phase()
 
2501
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2891
2502
    try:
2892
2503
        if merge_modified is None:
2893
2504
            merge_modified = working_tree.merge_modified()
2896
2507
                                      merge_modified, basis_tree)
2897
2508
    finally:
2898
2509
        child_pb.finished()
2899
 
    child_pb = ui.ui_factory.nested_progress_bar()
 
2510
    pp.next_phase()
 
2511
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2900
2512
    try:
2901
2513
        raw_conflicts = resolve_conflicts(tt, child_pb,
2902
2514
            lambda t, c: conflict_pass(t, c, target_tree))
2910
2522
                 backups, merge_modified, basis_tree=None):
2911
2523
    if basis_tree is not None:
2912
2524
        basis_tree.lock_read()
2913
 
    # We ask the working_tree for its changes relative to the target, rather
2914
 
    # than the target changes relative to the working tree. Because WT4 has an
2915
 
    # optimizer to compare itself to a target, but no optimizer for the
2916
 
    # reverse.
2917
 
    change_list = working_tree.iter_changes(target_tree,
 
2525
    change_list = target_tree.iter_changes(working_tree,
2918
2526
        specific_files=specific_files, pb=pb)
2919
2527
    if target_tree.get_root_id() is None:
2920
2528
        skip_root = True
2924
2532
        deferred_files = []
2925
2533
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2926
2534
                kind, executable) in enumerate(change_list):
2927
 
            target_path, wt_path = path
2928
 
            target_versioned, wt_versioned = versioned
2929
 
            target_parent, wt_parent = parent
2930
 
            target_name, wt_name = name
2931
 
            target_kind, wt_kind = kind
2932
 
            target_executable, wt_executable = executable
2933
 
            if skip_root and wt_parent is None:
 
2535
            if skip_root and file_id[0] is not None and parent[0] is None:
2934
2536
                continue
2935
2537
            trans_id = tt.trans_id_file_id(file_id)
2936
2538
            mode_id = None
2937
2539
            if changed_content:
2938
2540
                keep_content = False
2939
 
                if wt_kind == 'file' and (backups or target_kind is None):
 
2541
                if kind[0] == 'file' and (backups or kind[1] is None):
2940
2542
                    wt_sha1 = working_tree.get_file_sha1(file_id)
2941
2543
                    if merge_modified.get(file_id) != wt_sha1:
2942
2544
                        # acquire the basis tree lazily to prevent the
2945
2547
                        if basis_tree is None:
2946
2548
                            basis_tree = working_tree.basis_tree()
2947
2549
                            basis_tree.lock_read()
2948
 
                        if basis_tree.has_id(file_id):
 
2550
                        if file_id in basis_tree:
2949
2551
                            if wt_sha1 != basis_tree.get_file_sha1(file_id):
2950
2552
                                keep_content = True
2951
 
                        elif target_kind is None and not target_versioned:
 
2553
                        elif kind[1] is None and not versioned[1]:
2952
2554
                            keep_content = True
2953
 
                if wt_kind is not None:
 
2555
                if kind[0] is not None:
2954
2556
                    if not keep_content:
2955
2557
                        tt.delete_contents(trans_id)
2956
 
                    elif target_kind is not None:
2957
 
                        parent_trans_id = tt.trans_id_file_id(wt_parent)
2958
 
                        backup_name = tt._available_backup_name(
2959
 
                            wt_name, parent_trans_id)
 
2558
                    elif kind[1] is not None:
 
2559
                        parent_trans_id = tt.trans_id_file_id(parent[0])
 
2560
                        by_parent = tt.by_parent()
 
2561
                        backup_name = _get_backup_name(name[0], by_parent,
 
2562
                                                       parent_trans_id, tt)
2960
2563
                        tt.adjust_path(backup_name, parent_trans_id, trans_id)
2961
 
                        new_trans_id = tt.create_path(wt_name, parent_trans_id)
2962
 
                        if wt_versioned and target_versioned:
 
2564
                        new_trans_id = tt.create_path(name[0], parent_trans_id)
 
2565
                        if versioned == (True, True):
2963
2566
                            tt.unversion_file(trans_id)
2964
2567
                            tt.version_file(file_id, new_trans_id)
2965
2568
                        # New contents should have the same unix perms as old
2966
2569
                        # contents
2967
2570
                        mode_id = trans_id
2968
2571
                        trans_id = new_trans_id
2969
 
                if target_kind in ('directory', 'tree-reference'):
 
2572
                if kind[1] in ('directory', 'tree-reference'):
2970
2573
                    tt.create_directory(trans_id)
2971
 
                    if target_kind == 'tree-reference':
 
2574
                    if kind[1] == 'tree-reference':
2972
2575
                        revision = target_tree.get_reference_revision(file_id,
2973
 
                                                                      target_path)
 
2576
                                                                      path[1])
2974
2577
                        tt.set_tree_reference(revision, trans_id)
2975
 
                elif target_kind == 'symlink':
 
2578
                elif kind[1] == 'symlink':
2976
2579
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2977
2580
                                      trans_id)
2978
 
                elif target_kind == 'file':
 
2581
                elif kind[1] == 'file':
2979
2582
                    deferred_files.append((file_id, (trans_id, mode_id)))
2980
2583
                    if basis_tree is None:
2981
2584
                        basis_tree = working_tree.basis_tree()
2982
2585
                        basis_tree.lock_read()
2983
2586
                    new_sha1 = target_tree.get_file_sha1(file_id)
2984
 
                    if (basis_tree.has_id(file_id) and
2985
 
                        new_sha1 == basis_tree.get_file_sha1(file_id)):
 
2587
                    if (file_id in basis_tree and new_sha1 ==
 
2588
                        basis_tree.get_file_sha1(file_id)):
2986
2589
                        if file_id in merge_modified:
2987
2590
                            del merge_modified[file_id]
2988
2591
                    else:
2989
2592
                        merge_modified[file_id] = new_sha1
2990
2593
 
2991
2594
                    # preserve the execute bit when backing up
2992
 
                    if keep_content and wt_executable == target_executable:
2993
 
                        tt.set_executability(target_executable, trans_id)
2994
 
                elif target_kind is not None:
2995
 
                    raise AssertionError(target_kind)
2996
 
            if not wt_versioned and target_versioned:
 
2595
                    if keep_content and executable[0] == executable[1]:
 
2596
                        tt.set_executability(executable[1], trans_id)
 
2597
                elif kind[1] is not None:
 
2598
                    raise AssertionError(kind[1])
 
2599
            if versioned == (False, True):
2997
2600
                tt.version_file(file_id, trans_id)
2998
 
            if wt_versioned and not target_versioned:
 
2601
            if versioned == (True, False):
2999
2602
                tt.unversion_file(trans_id)
3000
 
            if (target_name is not None and
3001
 
                (wt_name != target_name or wt_parent != target_parent)):
3002
 
                if target_name == '' and target_parent is None:
 
2603
            if (name[1] is not None and
 
2604
                (name[0] != name[1] or parent[0] != parent[1])):
 
2605
                if name[1] == '' and parent[1] is None:
3003
2606
                    parent_trans = ROOT_PARENT
3004
2607
                else:
3005
 
                    parent_trans = tt.trans_id_file_id(target_parent)
3006
 
                if wt_parent is None and wt_versioned:
3007
 
                    tt.adjust_root_path(target_name, parent_trans)
3008
 
                else:
3009
 
                    tt.adjust_path(target_name, parent_trans, trans_id)
3010
 
            if wt_executable != target_executable and target_kind == "file":
3011
 
                tt.set_executability(target_executable, trans_id)
3012
 
        if working_tree.supports_content_filtering():
3013
 
            for index, ((trans_id, mode_id), bytes) in enumerate(
3014
 
                target_tree.iter_files_bytes(deferred_files)):
3015
 
                file_id = deferred_files[index][0]
3016
 
                # We're reverting a tree to the target tree so using the
3017
 
                # target tree to find the file path seems the best choice
3018
 
                # here IMO - Ian C 27/Oct/2009
3019
 
                filter_tree_path = target_tree.id2path(file_id)
3020
 
                filters = working_tree._content_filter_stack(filter_tree_path)
3021
 
                bytes = filtered_output_bytes(bytes, filters,
3022
 
                    ContentFilterContext(filter_tree_path, working_tree))
3023
 
                tt.create_file(bytes, trans_id, mode_id)
3024
 
        else:
3025
 
            for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
3026
 
                deferred_files):
3027
 
                tt.create_file(bytes, trans_id, mode_id)
3028
 
        tt.fixup_new_roots()
 
2608
                    parent_trans = tt.trans_id_file_id(parent[1])
 
2609
                tt.adjust_path(name[1], parent_trans, trans_id)
 
2610
            if executable[0] != executable[1] and kind[1] == "file":
 
2611
                tt.set_executability(executable[1], trans_id)
 
2612
        for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
 
2613
            deferred_files):
 
2614
            tt.create_file(bytes, trans_id, mode_id)
3029
2615
    finally:
3030
2616
        if basis_tree is not None:
3031
2617
            basis_tree.unlock()
3032
2618
    return merge_modified
3033
2619
 
3034
2620
 
3035
 
def resolve_conflicts(tt, pb=None, pass_func=None):
 
2621
def resolve_conflicts(tt, pb=DummyProgress(), pass_func=None):
3036
2622
    """Make many conflict-resolution attempts, but die if they fail"""
3037
2623
    if pass_func is None:
3038
2624
        pass_func = conflict_pass
3039
2625
    new_conflicts = set()
3040
 
    pb = ui.ui_factory.nested_progress_bar()
3041
2626
    try:
3042
2627
        for n in range(10):
3043
2628
            pb.update('Resolution pass', n+1, 10)
3047
2632
            new_conflicts.update(pass_func(tt, conflicts))
3048
2633
        raise MalformedTransform(conflicts=conflicts)
3049
2634
    finally:
3050
 
        pb.finished()
 
2635
        pb.clear()
3051
2636
 
3052
2637
 
3053
2638
def conflict_pass(tt, conflicts, path_tree=None):
3085
2670
 
3086
2671
        elif c_type == 'missing parent':
3087
2672
            trans_id = conflict[1]
3088
 
            if trans_id in tt._removed_contents:
3089
 
                cancel_deletion = True
3090
 
                orphans = tt._get_potential_orphans(trans_id)
3091
 
                if orphans:
3092
 
                    cancel_deletion = False
3093
 
                    # All children are orphans
3094
 
                    for o in orphans:
3095
 
                        try:
3096
 
                            tt.new_orphan(o, trans_id)
3097
 
                        except OrphaningError:
3098
 
                            # Something bad happened so we cancel the directory
3099
 
                            # deletion which will leave it in place with a
3100
 
                            # conflict. The user can deal with it from there.
3101
 
                            # Note that this also catch the case where we don't
3102
 
                            # want to create orphans and leave the directory in
3103
 
                            # place.
3104
 
                            cancel_deletion = True
3105
 
                            break
3106
 
                if cancel_deletion:
3107
 
                    # Cancel the directory deletion
3108
 
                    tt.cancel_deletion(trans_id)
3109
 
                    new_conflicts.add(('deleting parent', 'Not deleting',
3110
 
                                       trans_id))
3111
 
            else:
 
2673
            try:
 
2674
                tt.cancel_deletion(trans_id)
 
2675
                new_conflicts.add(('deleting parent', 'Not deleting',
 
2676
                                   trans_id))
 
2677
            except KeyError:
3112
2678
                create = True
3113
2679
                try:
3114
2680
                    tt.final_name(trans_id)
3117
2683
                        file_id = tt.final_file_id(trans_id)
3118
2684
                        if file_id is None:
3119
2685
                            file_id = tt.inactive_file_id(trans_id)
3120
 
                        _, entry = path_tree.iter_entries_by_dir(
3121
 
                            [file_id]).next()
 
2686
                        entry = path_tree.inventory[file_id]
3122
2687
                        # special-case the other tree root (move its
3123
2688
                        # children to current root)
3124
2689
                        if entry.parent_id is None:
3125
 
                            create = False
 
2690
                            create=False
3126
2691
                            moved = _reparent_transform_children(
3127
2692
                                tt, trans_id, tt.root)
3128
2693
                            for child in moved:
3139
2704
        elif c_type == 'unversioned parent':
3140
2705
            file_id = tt.inactive_file_id(conflict[1])
3141
2706
            # special-case the other tree root (move its children instead)
3142
 
            if path_tree and path_tree.has_id(file_id):
3143
 
                if path_tree.path2id('') == file_id:
3144
 
                    # This is the root entry, skip it
 
2707
            if path_tree and file_id in path_tree:
 
2708
                if path_tree.inventory[file_id].parent_id is None:
3145
2709
                    continue
3146
2710
            tt.version_file(file_id, conflict[1])
3147
2711
            new_conflicts.add((c_type, 'Versioned directory', conflict[1]))
3163
2727
 
3164
2728
def cook_conflicts(raw_conflicts, tt):
3165
2729
    """Generate a list of cooked conflicts, sorted by file path"""
 
2730
    from bzrlib.conflicts import Conflict
3166
2731
    conflict_iter = iter_cook_conflicts(raw_conflicts, tt)
3167
 
    return sorted(conflict_iter, key=conflicts.Conflict.sort_key)
 
2732
    return sorted(conflict_iter, key=Conflict.sort_key)
3168
2733
 
3169
2734
 
3170
2735
def iter_cook_conflicts(raw_conflicts, tt):
 
2736
    from bzrlib.conflicts import Conflict
3171
2737
    fp = FinalPaths(tt)
3172
2738
    for conflict in raw_conflicts:
3173
2739
        c_type = conflict[0]
3175
2741
        modified_path = fp.get_path(conflict[2])
3176
2742
        modified_id = tt.final_file_id(conflict[2])
3177
2743
        if len(conflict) == 3:
3178
 
            yield conflicts.Conflict.factory(
3179
 
                c_type, action=action, path=modified_path, file_id=modified_id)
 
2744
            yield Conflict.factory(c_type, action=action, path=modified_path,
 
2745
                                     file_id=modified_id)
3180
2746
 
3181
2747
        else:
3182
2748
            conflicting_path = fp.get_path(conflict[3])
3183
2749
            conflicting_id = tt.final_file_id(conflict[3])
3184
 
            yield conflicts.Conflict.factory(
3185
 
                c_type, action=action, path=modified_path,
3186
 
                file_id=modified_id,
3187
 
                conflict_path=conflicting_path,
3188
 
                conflict_file_id=conflicting_id)
 
2750
            yield Conflict.factory(c_type, action=action, path=modified_path,
 
2751
                                   file_id=modified_id,
 
2752
                                   conflict_path=conflicting_path,
 
2753
                                   conflict_file_id=conflicting_id)
3189
2754
 
3190
2755
 
3191
2756
class _FileMover(object):
3196
2761
        self.pending_deletions = []
3197
2762
 
3198
2763
    def rename(self, from_, to):
3199
 
        """Rename a file from one path to another."""
 
2764
        """Rename a file from one path to another.  Functions like os.rename"""
3200
2765
        try:
3201
2766
            os.rename(from_, to)
3202
2767
        except OSError, e:
3203
2768
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3204
2769
                raise errors.FileExists(to, str(e))
3205
 
            # normal OSError doesn't include filenames so it's hard to see where
3206
 
            # the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
3207
 
            raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
 
2770
            raise
3208
2771
        self.past_renames.append((from_, to))
3209
2772
 
3210
2773
    def pre_delete(self, from_, to):
3220
2783
    def rollback(self):
3221
2784
        """Reverse all renames that have been performed"""
3222
2785
        for from_, to in reversed(self.past_renames):
3223
 
            try:
3224
 
                os.rename(to, from_)
3225
 
            except OSError, e:
3226
 
                raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
 
2786
            os.rename(to, from_)
3227
2787
        # after rollback, don't reuse _FileMover
3228
2788
        past_renames = None
3229
2789
        pending_deletions = None