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  • Committer: John Arbash Meinel
  • Date: 2009-06-19 17:53:37 UTC
  • mto: This revision was merged to the branch mainline in revision 4466.
  • Revision ID: john@arbash-meinel.com-20090619175337-uozt3bntdd48lh4z
Update time_graph to use X:1 ratios rather than 0.xxx ratios.
It is just easier to track now that the new code is much faster.

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bzrlib/workingtree.py
1
 
# Copyright (C) 2005-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007, 2008 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
29
29
WorkingTree.open(dir).
30
30
"""
31
31
 
 
32
# TODO: Give the workingtree sole responsibility for the working inventory;
 
33
# remove the variable and references to it from the branch.  This may require
 
34
# updating the commit code so as to update the inventory within the working
 
35
# copy, and making sure there's only one WorkingTree for any directory on disk.
 
36
# At the moment they may alias the inventory and have old copies of it in
 
37
# memory.  (Now done? -- mbp 20060309)
32
38
 
33
39
from cStringIO import StringIO
34
40
import os
42
48
import itertools
43
49
import operator
44
50
import stat
 
51
from time import time
 
52
import warnings
45
53
import re
46
54
 
47
55
import bzrlib
49
57
    branch,
50
58
    bzrdir,
51
59
    conflicts as _mod_conflicts,
52
 
    controldir,
 
60
    dirstate,
53
61
    errors,
54
62
    generate_ids,
55
63
    globbing,
56
 
    graph as _mod_graph,
57
64
    hashcache,
58
65
    ignores,
59
 
    inventory,
60
66
    merge,
61
67
    revision as _mod_revision,
62
68
    revisiontree,
 
69
    repository,
 
70
    textui,
63
71
    trace,
64
72
    transform,
65
 
    transport,
66
73
    ui,
 
74
    urlutils,
67
75
    views,
68
76
    xml5,
 
77
    xml6,
69
78
    xml7,
70
79
    )
 
80
import bzrlib.branch
 
81
from bzrlib.transport import get_transport
 
82
import bzrlib.ui
71
83
from bzrlib.workingtree_4 import (
72
84
    WorkingTreeFormat4,
73
85
    WorkingTreeFormat5,
77
89
 
78
90
from bzrlib import symbol_versioning
79
91
from bzrlib.decorators import needs_read_lock, needs_write_lock
80
 
from bzrlib.lock import LogicalLockResult
 
92
from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, TreeReference
81
93
from bzrlib.lockable_files import LockableFiles
82
94
from bzrlib.lockdir import LockDir
83
95
import bzrlib.mutabletree
84
96
from bzrlib.mutabletree import needs_tree_write_lock
85
97
from bzrlib import osutils
86
98
from bzrlib.osutils import (
 
99
    compact_date,
87
100
    file_kind,
88
101
    isdir,
89
102
    normpath,
90
103
    pathjoin,
 
104
    rand_chars,
91
105
    realpath,
92
106
    safe_unicode,
93
107
    splitpath,
96
110
from bzrlib.filters import filtered_input_file
97
111
from bzrlib.trace import mutter, note
98
112
from bzrlib.transport.local import LocalTransport
99
 
from bzrlib.revision import CURRENT_REVISION
 
113
from bzrlib.progress import DummyProgress, ProgressPhase
 
114
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
100
115
from bzrlib.rio import RioReader, rio_file, Stanza
101
 
from bzrlib.symbol_versioning import (
102
 
    deprecated_passed,
103
 
    DEPRECATED_PARAMETER,
104
 
    )
 
116
from bzrlib.symbol_versioning import (deprecated_passed,
 
117
        deprecated_method,
 
118
        deprecated_function,
 
119
        DEPRECATED_PARAMETER,
 
120
        )
105
121
 
106
122
 
107
123
MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
108
 
# TODO: Modifying the conflict objects or their type is currently nearly
109
 
# impossible as there is no clear relationship between the working tree format
110
 
# and the conflict list file format.
111
124
CONFLICT_HEADER_1 = "BZR conflict list format 1"
112
125
 
113
126
ERROR_PATH_NOT_FOUND = 3    # WindowsError errno code, equivalent to ENOENT
168
181
        return ''
169
182
 
170
183
 
171
 
class WorkingTree(bzrlib.mutabletree.MutableTree,
172
 
    controldir.ControlComponent):
 
184
class WorkingTree(bzrlib.mutabletree.MutableTree):
173
185
    """Working copy tree.
174
186
 
175
187
    The inventory is held in the `Branch` working-inventory, and the
177
189
 
178
190
    It is possible for a `WorkingTree` to have a filename which is
179
191
    not listed in the Inventory and vice versa.
180
 
 
181
 
    :ivar basedir: The root of the tree on disk. This is a unicode path object
182
 
        (as opposed to a URL).
183
192
    """
184
193
 
185
194
    # override this to set the strategy for storing views
251
260
        self._rules_searcher = None
252
261
        self.views = self._make_views()
253
262
 
254
 
    @property
255
 
    def user_transport(self):
256
 
        return self.bzrdir.user_transport
257
 
 
258
 
    @property
259
 
    def control_transport(self):
260
 
        return self._transport
261
 
 
262
263
    def _detect_case_handling(self):
263
264
        wt_trans = self.bzrdir.get_workingtree_transport(None)
264
265
        try:
289
290
        self._control_files.break_lock()
290
291
        self.branch.break_lock()
291
292
 
292
 
    def _get_check_refs(self):
293
 
        """Return the references needed to perform a check of this tree.
294
 
        
295
 
        The default implementation returns no refs, and is only suitable for
296
 
        trees that have no local caching and can commit on ghosts at any time.
297
 
 
298
 
        :seealso: bzrlib.check for details about check_refs.
299
 
        """
300
 
        return []
301
 
 
302
293
    def requires_rich_root(self):
303
294
        return self._format.requires_rich_root
304
295
 
350
341
        if path is None:
351
342
            path = osutils.getcwd()
352
343
        control, relpath = bzrdir.BzrDir.open_containing(path)
 
344
 
353
345
        return control.open_workingtree(), relpath
354
346
 
355
347
    @staticmethod
356
 
    def open_containing_paths(file_list, default_directory='.',
357
 
        canonicalize=True, apply_view=True):
358
 
        """Open the WorkingTree that contains a set of paths.
359
 
 
360
 
        Fail if the paths given are not all in a single tree.
361
 
 
362
 
        This is used for the many command-line interfaces that take a list of
363
 
        any number of files and that require they all be in the same tree.
364
 
        """
365
 
        # recommended replacement for builtins.internal_tree_files
366
 
        if file_list is None or len(file_list) == 0:
367
 
            tree = WorkingTree.open_containing(default_directory)[0]
368
 
            # XXX: doesn't really belong here, and seems to have the strange
369
 
            # side effect of making it return a bunch of files, not the whole
370
 
            # tree -- mbp 20100716
371
 
            if tree.supports_views() and apply_view:
372
 
                view_files = tree.views.lookup_view()
373
 
                if view_files:
374
 
                    file_list = view_files
375
 
                    view_str = views.view_display_str(view_files)
376
 
                    note("Ignoring files outside view. View is %s" % view_str)
377
 
            return tree, file_list
378
 
        tree = WorkingTree.open_containing(file_list[0])[0]
379
 
        return tree, tree.safe_relpath_files(file_list, canonicalize,
380
 
            apply_view=apply_view)
381
 
 
382
 
    def safe_relpath_files(self, file_list, canonicalize=True, apply_view=True):
383
 
        """Convert file_list into a list of relpaths in tree.
384
 
 
385
 
        :param self: A tree to operate on.
386
 
        :param file_list: A list of user provided paths or None.
387
 
        :param apply_view: if True and a view is set, apply it or check that
388
 
            specified files are within it
389
 
        :return: A list of relative paths.
390
 
        :raises errors.PathNotChild: When a provided path is in a different self
391
 
            than self.
392
 
        """
393
 
        if file_list is None:
394
 
            return None
395
 
        if self.supports_views() and apply_view:
396
 
            view_files = self.views.lookup_view()
397
 
        else:
398
 
            view_files = []
399
 
        new_list = []
400
 
        # self.relpath exists as a "thunk" to osutils, but canonical_relpath
401
 
        # doesn't - fix that up here before we enter the loop.
402
 
        if canonicalize:
403
 
            fixer = lambda p: osutils.canonical_relpath(self.basedir, p)
404
 
        else:
405
 
            fixer = self.relpath
406
 
        for filename in file_list:
407
 
            relpath = fixer(osutils.dereference_path(filename))
408
 
            if view_files and not osutils.is_inside_any(view_files, relpath):
409
 
                raise errors.FileOutsideView(filename, view_files)
410
 
            new_list.append(relpath)
411
 
        return new_list
412
 
 
413
 
    @staticmethod
414
348
    def open_downlevel(path=None):
415
349
        """Open an unsupported working tree.
416
350
 
429
363
                return True, None
430
364
            else:
431
365
                return True, tree
432
 
        t = transport.get_transport(location)
433
 
        iterator = bzrdir.BzrDir.find_bzrdirs(t, evaluate=evaluate,
 
366
        transport = get_transport(location)
 
367
        iterator = bzrdir.BzrDir.find_bzrdirs(transport, evaluate=evaluate,
434
368
                                              list_current=list_current)
435
 
        return [tr for tr in iterator if tr is not None]
 
369
        return [t for t in iterator if t is not None]
436
370
 
437
371
    # should be deprecated - this is slow and in any case treating them as a
438
372
    # container is (we now know) bad style -- mbp 20070302
523
457
        return (file_obj, stat_value)
524
458
 
525
459
    def get_file_text(self, file_id, path=None, filtered=True):
526
 
        my_file = self.get_file(file_id, path=path, filtered=filtered)
527
 
        try:
528
 
            return my_file.read()
529
 
        finally:
530
 
            my_file.close()
 
460
        return self.get_file(file_id, path=path, filtered=filtered).read()
531
461
 
532
462
    def get_file_byname(self, filename, filtered=True):
533
463
        path = self.abspath(filename)
557
487
        incorrectly attributed to CURRENT_REVISION (but after committing, the
558
488
        attribution will be correct).
559
489
        """
560
 
        maybe_file_parent_keys = []
561
 
        for parent_id in self.get_parent_ids():
562
 
            try:
563
 
                parent_tree = self.revision_tree(parent_id)
564
 
            except errors.NoSuchRevisionInTree:
565
 
                parent_tree = self.branch.repository.revision_tree(parent_id)
566
 
            parent_tree.lock_read()
567
 
            try:
568
 
                if file_id not in parent_tree:
569
 
                    continue
570
 
                ie = parent_tree.inventory[file_id]
571
 
                if ie.kind != 'file':
572
 
                    # Note: this is slightly unnecessary, because symlinks and
573
 
                    # directories have a "text" which is the empty text, and we
574
 
                    # know that won't mess up annotations. But it seems cleaner
575
 
                    continue
576
 
                parent_text_key = (file_id, ie.revision)
577
 
                if parent_text_key not in maybe_file_parent_keys:
578
 
                    maybe_file_parent_keys.append(parent_text_key)
579
 
            finally:
580
 
                parent_tree.unlock()
581
 
        graph = _mod_graph.Graph(self.branch.repository.texts)
582
 
        heads = graph.heads(maybe_file_parent_keys)
583
 
        file_parent_keys = []
584
 
        for key in maybe_file_parent_keys:
585
 
            if key in heads:
586
 
                file_parent_keys.append(key)
587
 
 
588
 
        # Now we have the parents of this content
589
 
        annotator = self.branch.repository.texts.get_annotator()
590
 
        text = self.get_file_text(file_id)
591
 
        this_key =(file_id, default_revision)
592
 
        annotator.add_special_text(this_key, file_parent_keys, text)
593
 
        annotations = [(key[-1], line)
594
 
                       for key, line in annotator.annotate_flat(this_key)]
595
 
        return annotations
 
490
        basis = self.basis_tree()
 
491
        basis.lock_read()
 
492
        try:
 
493
            changes = self.iter_changes(basis, True, [self.id2path(file_id)],
 
494
                require_versioned=True).next()
 
495
            changed_content, kind = changes[2], changes[6]
 
496
            if not changed_content:
 
497
                return basis.annotate_iter(file_id)
 
498
            if kind[1] is None:
 
499
                return None
 
500
            import annotate
 
501
            if kind[0] != 'file':
 
502
                old_lines = []
 
503
            else:
 
504
                old_lines = list(basis.annotate_iter(file_id))
 
505
            old = [old_lines]
 
506
            for tree in self.branch.repository.revision_trees(
 
507
                self.get_parent_ids()[1:]):
 
508
                if file_id not in tree:
 
509
                    continue
 
510
                old.append(list(tree.annotate_iter(file_id)))
 
511
            return annotate.reannotate(old, self.get_file(file_id).readlines(),
 
512
                                       default_revision)
 
513
        finally:
 
514
            basis.unlock()
596
515
 
597
516
    def _get_ancestors(self, default_revision):
598
517
        ancestors = set([default_revision])
613
532
        else:
614
533
            parents = [last_rev]
615
534
        try:
616
 
            merges_bytes = self._transport.get_bytes('pending-merges')
 
535
            merges_file = self._transport.get('pending-merges')
617
536
        except errors.NoSuchFile:
618
537
            pass
619
538
        else:
620
 
            for l in osutils.split_lines(merges_bytes):
 
539
            for l in merges_file.readlines():
621
540
                revision_id = l.rstrip('\n')
622
541
                parents.append(revision_id)
623
542
        return parents
682
601
 
683
602
    def get_file_size(self, file_id):
684
603
        """See Tree.get_file_size"""
685
 
        # XXX: this returns the on-disk size; it should probably return the
686
 
        # canonical size
687
604
        try:
688
605
            return os.path.getsize(self.id2abspath(file_id))
689
606
        except OSError, e:
705
622
 
706
623
    def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
707
624
        file_id = self.path2id(path)
708
 
        if file_id is None:
709
 
            # For unversioned files on win32, we just assume they are not
710
 
            # executable
711
 
            return False
712
625
        return self._inventory[file_id].executable
713
626
 
714
627
    def _is_executable_from_path_and_stat_from_stat(self, path, stat_result):
824
737
            raise
825
738
        kind = _mapper(stat_result.st_mode)
826
739
        if kind == 'file':
827
 
            return self._file_content_summary(path, stat_result)
 
740
            size = stat_result.st_size
 
741
            # try for a stat cache lookup
 
742
            executable = self._is_executable_from_path_and_stat(path, stat_result)
 
743
            return (kind, size, executable, self._sha_from_stat(
 
744
                path, stat_result))
828
745
        elif kind == 'directory':
829
746
            # perhaps it looks like a plain directory, but it's really a
830
747
            # reference.
837
754
        else:
838
755
            return (kind, None, None, None)
839
756
 
840
 
    def _file_content_summary(self, path, stat_result):
841
 
        size = stat_result.st_size
842
 
        executable = self._is_executable_from_path_and_stat(path, stat_result)
843
 
        # try for a stat cache lookup
844
 
        return ('file', size, executable, self._sha_from_stat(
845
 
            path, stat_result))
846
 
 
847
757
    def _check_parents_for_ghosts(self, revision_ids, allow_leftmost_as_ghost):
848
758
        """Common ghost checking functionality from set_parent_*.
849
759
 
969
879
 
970
880
    @needs_write_lock # because merge pulls data into the branch.
971
881
    def merge_from_branch(self, branch, to_revision=None, from_revision=None,
972
 
                          merge_type=None, force=False):
 
882
        merge_type=None):
973
883
        """Merge from a branch into this working tree.
974
884
 
975
885
        :param branch: The branch to merge from.
979
889
            branch.last_revision().
980
890
        """
981
891
        from bzrlib.merge import Merger, Merge3Merger
982
 
        merger = Merger(self.branch, this_tree=self)
983
 
        # check that there are no local alterations
984
 
        if not force and self.has_changes():
985
 
            raise errors.UncommittedChanges(self)
986
 
        if to_revision is None:
987
 
            to_revision = _mod_revision.ensure_null(branch.last_revision())
988
 
        merger.other_rev_id = to_revision
989
 
        if _mod_revision.is_null(merger.other_rev_id):
990
 
            raise errors.NoCommits(branch)
991
 
        self.branch.fetch(branch, last_revision=merger.other_rev_id)
992
 
        merger.other_basis = merger.other_rev_id
993
 
        merger.other_tree = self.branch.repository.revision_tree(
994
 
            merger.other_rev_id)
995
 
        merger.other_branch = branch
996
 
        if from_revision is None:
997
 
            merger.find_base()
998
 
        else:
999
 
            merger.set_base_revision(from_revision, branch)
1000
 
        if merger.base_rev_id == merger.other_rev_id:
1001
 
            raise errors.PointlessMerge
1002
 
        merger.backup_files = False
1003
 
        if merge_type is None:
1004
 
            merger.merge_type = Merge3Merger
1005
 
        else:
1006
 
            merger.merge_type = merge_type
1007
 
        merger.set_interesting_files(None)
1008
 
        merger.show_base = False
1009
 
        merger.reprocess = False
1010
 
        conflicts = merger.do_merge()
1011
 
        merger.set_pending()
 
892
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
893
        try:
 
894
            merger = Merger(self.branch, this_tree=self, pb=pb)
 
895
            merger.pp = ProgressPhase("Merge phase", 5, pb)
 
896
            merger.pp.next_phase()
 
897
            # check that there are no
 
898
            # local alterations
 
899
            merger.check_basis(check_clean=True, require_commits=False)
 
900
            if to_revision is None:
 
901
                to_revision = _mod_revision.ensure_null(branch.last_revision())
 
902
            merger.other_rev_id = to_revision
 
903
            if _mod_revision.is_null(merger.other_rev_id):
 
904
                raise errors.NoCommits(branch)
 
905
            self.branch.fetch(branch, last_revision=merger.other_rev_id)
 
906
            merger.other_basis = merger.other_rev_id
 
907
            merger.other_tree = self.branch.repository.revision_tree(
 
908
                merger.other_rev_id)
 
909
            merger.other_branch = branch
 
910
            merger.pp.next_phase()
 
911
            if from_revision is None:
 
912
                merger.find_base()
 
913
            else:
 
914
                merger.set_base_revision(from_revision, branch)
 
915
            if merger.base_rev_id == merger.other_rev_id:
 
916
                raise errors.PointlessMerge
 
917
            merger.backup_files = False
 
918
            if merge_type is None:
 
919
                merger.merge_type = Merge3Merger
 
920
            else:
 
921
                merger.merge_type = merge_type
 
922
            merger.set_interesting_files(None)
 
923
            merger.show_base = False
 
924
            merger.reprocess = False
 
925
            conflicts = merger.do_merge()
 
926
            merger.set_pending()
 
927
        finally:
 
928
            pb.finished()
1012
929
        return conflicts
1013
930
 
1014
931
    @needs_read_lock
1161
1078
        tree_transport = self.bzrdir.root_transport.clone(sub_path)
1162
1079
        if tree_transport.base != branch_transport.base:
1163
1080
            tree_bzrdir = format.initialize_on_transport(tree_transport)
1164
 
            branch.BranchReferenceFormat().initialize(tree_bzrdir,
1165
 
                target_branch=new_branch)
 
1081
            branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1166
1082
        else:
1167
1083
            tree_bzrdir = branch_bzrdir
1168
 
        wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
 
1084
        wt = tree_bzrdir.create_workingtree(NULL_REVISION)
1169
1085
        wt.set_parent_ids(self.get_parent_ids())
1170
1086
        my_inv = self.inventory
1171
 
        child_inv = inventory.Inventory(root_id=None)
 
1087
        child_inv = Inventory(root_id=None)
1172
1088
        new_root = my_inv[file_id]
1173
1089
        my_inv.remove_recursive_id(file_id)
1174
1090
        new_root.parent_id = None
1206
1122
        This does not include files that have been deleted in this
1207
1123
        tree. Skips the control directory.
1208
1124
 
1209
 
        :param include_root: if True, return an entry for the root
 
1125
        :param include_root: if True, do not return an entry for the root
1210
1126
        :param from_dir: start from this directory or None for the root
1211
1127
        :param recursive: whether to recurse into subdirectories or not
1212
1128
        """
1267
1183
                # absolute path
1268
1184
                fap = from_dir_abspath + '/' + f
1269
1185
 
1270
 
                dir_ie = inv[from_dir_id]
1271
 
                if dir_ie.kind == 'directory':
1272
 
                    f_ie = dir_ie.children.get(f)
1273
 
                else:
1274
 
                    f_ie = None
 
1186
                f_ie = inv.get_child(from_dir_id, f)
1275
1187
                if f_ie:
1276
1188
                    c = 'V'
1277
1189
                elif self.is_ignored(fp[1:]):
1278
1190
                    c = 'I'
1279
1191
                else:
1280
 
                    # we may not have found this file, because of a unicode
1281
 
                    # issue, or because the directory was actually a symlink.
 
1192
                    # we may not have found this file, because of a unicode issue
1282
1193
                    f_norm, can_access = osutils.normalized_filename(f)
1283
1194
                    if f == f_norm or not can_access:
1284
1195
                        # No change, so treat this file normally
1327
1238
                stack.pop()
1328
1239
 
1329
1240
    @needs_tree_write_lock
1330
 
    def move(self, from_paths, to_dir=None, after=False):
 
1241
    def move(self, from_paths, to_dir=None, after=False, **kwargs):
1331
1242
        """Rename files.
1332
1243
 
1333
1244
        to_dir must exist in the inventory.
1367
1278
 
1368
1279
        # check for deprecated use of signature
1369
1280
        if to_dir is None:
1370
 
            raise TypeError('You must supply a target directory')
 
1281
            to_dir = kwargs.get('to_name', None)
 
1282
            if to_dir is None:
 
1283
                raise TypeError('You must supply a target directory')
 
1284
            else:
 
1285
                symbol_versioning.warn('The parameter to_name was deprecated'
 
1286
                                       ' in version 0.13. Use to_dir instead',
 
1287
                                       DeprecationWarning)
 
1288
 
1371
1289
        # check destination directory
1372
1290
        if isinstance(from_paths, basestring):
1373
1291
            raise ValueError()
1498
1416
        inv = self.inventory
1499
1417
        for entry in moved:
1500
1418
            try:
1501
 
                self._move_entry(WorkingTree._RenameEntry(
1502
 
                    entry.to_rel, entry.from_id,
 
1419
                self._move_entry(_RenameEntry(entry.to_rel, entry.from_id,
1503
1420
                    entry.to_tail, entry.to_parent_id, entry.from_rel,
1504
1421
                    entry.from_tail, entry.from_parent_id,
1505
1422
                    entry.only_change_inv))
1556
1473
        from_tail = splitpath(from_rel)[-1]
1557
1474
        from_id = inv.path2id(from_rel)
1558
1475
        if from_id is None:
1559
 
            # if file is missing in the inventory maybe it's in the basis_tree
1560
 
            basis_tree = self.branch.basis_tree()
1561
 
            from_id = basis_tree.path2id(from_rel)
1562
 
            if from_id is None:
1563
 
                raise errors.BzrRenameFailedError(from_rel,to_rel,
1564
 
                    errors.NotVersionedError(path=str(from_rel)))
1565
 
            # put entry back in the inventory so we can rename it
1566
 
            from_entry = basis_tree.inventory[from_id].copy()
1567
 
            inv.add(from_entry)
1568
 
        else:
1569
 
            from_entry = inv[from_id]
 
1476
            raise errors.BzrRenameFailedError(from_rel,to_rel,
 
1477
                errors.NotVersionedError(path=str(from_rel)))
 
1478
        from_entry = inv[from_id]
1570
1479
        from_parent_id = from_entry.parent_id
1571
1480
        to_dir, to_tail = os.path.split(to_rel)
1572
1481
        to_dir_id = inv.path2id(to_dir)
1664
1573
    @needs_write_lock
1665
1574
    def pull(self, source, overwrite=False, stop_revision=None,
1666
1575
             change_reporter=None, possible_transports=None, local=False):
 
1576
        top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1667
1577
        source.lock_read()
1668
1578
        try:
 
1579
            pp = ProgressPhase("Pull phase", 2, top_pb)
 
1580
            pp.next_phase()
1669
1581
            old_revision_info = self.branch.last_revision_info()
1670
1582
            basis_tree = self.basis_tree()
1671
1583
            count = self.branch.pull(source, overwrite, stop_revision,
1673
1585
                                     local=local)
1674
1586
            new_revision_info = self.branch.last_revision_info()
1675
1587
            if new_revision_info != old_revision_info:
 
1588
                pp.next_phase()
1676
1589
                repository = self.branch.repository
 
1590
                pb = bzrlib.ui.ui_factory.nested_progress_bar()
1677
1591
                basis_tree.lock_read()
1678
1592
                try:
1679
1593
                    new_basis_tree = self.branch.basis_tree()
1682
1596
                                new_basis_tree,
1683
1597
                                basis_tree,
1684
1598
                                this_tree=self,
1685
 
                                pb=None,
 
1599
                                pb=pb,
1686
1600
                                change_reporter=change_reporter)
1687
 
                    basis_root_id = basis_tree.get_root_id()
1688
 
                    new_root_id = new_basis_tree.get_root_id()
1689
 
                    if basis_root_id != new_root_id:
1690
 
                        self.set_root_id(new_root_id)
 
1601
                    if (basis_tree.inventory.root is None and
 
1602
                        new_basis_tree.inventory.root is not None):
 
1603
                        self.set_root_id(new_basis_tree.get_root_id())
1691
1604
                finally:
 
1605
                    pb.finished()
1692
1606
                    basis_tree.unlock()
1693
1607
                # TODO - dedup parents list with things merged by pull ?
1694
1608
                # reuse the revisiontree we merged against to set the new
1707
1621
            return count
1708
1622
        finally:
1709
1623
            source.unlock()
 
1624
            top_pb.finished()
1710
1625
 
1711
1626
    @needs_write_lock
1712
1627
    def put_file_bytes_non_atomic(self, file_id, bytes):
1797
1712
        r"""Check whether the filename matches an ignore pattern.
1798
1713
 
1799
1714
        Patterns containing '/' or '\' need to match the whole path;
1800
 
        others match against only the last component.  Patterns starting
1801
 
        with '!' are ignore exceptions.  Exceptions take precedence
1802
 
        over regular patterns and cause the filename to not be ignored.
 
1715
        others match against only the last component.
1803
1716
 
1804
1717
        If the file is ignored, returns the pattern which caused it to
1805
1718
        be ignored, otherwise None.  So this can simply be used as a
1806
1719
        boolean if desired."""
1807
1720
        if getattr(self, '_ignoreglobster', None) is None:
1808
 
            self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
 
1721
            self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1809
1722
        return self._ignoreglobster.match(filename)
1810
1723
 
1811
1724
    def kind(self, file_id):
1861
1774
            raise errors.ObjectNotLocked(self)
1862
1775
 
1863
1776
    def lock_read(self):
1864
 
        """Lock the tree for reading.
1865
 
 
1866
 
        This also locks the branch, and can be unlocked via self.unlock().
1867
 
 
1868
 
        :return: A bzrlib.lock.LogicalLockResult.
1869
 
        """
 
1777
        """See Branch.lock_read, and WorkingTree.unlock."""
1870
1778
        if not self.is_locked():
1871
1779
            self._reset_data()
1872
1780
        self.branch.lock_read()
1873
1781
        try:
1874
 
            self._control_files.lock_read()
1875
 
            return LogicalLockResult(self.unlock)
 
1782
            return self._control_files.lock_read()
1876
1783
        except:
1877
1784
            self.branch.unlock()
1878
1785
            raise
1879
1786
 
1880
1787
    def lock_tree_write(self):
1881
 
        """See MutableTree.lock_tree_write, and WorkingTree.unlock.
1882
 
 
1883
 
        :return: A bzrlib.lock.LogicalLockResult.
1884
 
        """
 
1788
        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
1885
1789
        if not self.is_locked():
1886
1790
            self._reset_data()
1887
1791
        self.branch.lock_read()
1888
1792
        try:
1889
 
            self._control_files.lock_write()
1890
 
            return LogicalLockResult(self.unlock)
 
1793
            return self._control_files.lock_write()
1891
1794
        except:
1892
1795
            self.branch.unlock()
1893
1796
            raise
1894
1797
 
1895
1798
    def lock_write(self):
1896
 
        """See MutableTree.lock_write, and WorkingTree.unlock.
1897
 
 
1898
 
        :return: A bzrlib.lock.LogicalLockResult.
1899
 
        """
 
1799
        """See MutableTree.lock_write, and WorkingTree.unlock."""
1900
1800
        if not self.is_locked():
1901
1801
            self._reset_data()
1902
1802
        self.branch.lock_write()
1903
1803
        try:
1904
 
            self._control_files.lock_write()
1905
 
            return LogicalLockResult(self.unlock)
 
1804
            return self._control_files.lock_write()
1906
1805
        except:
1907
1806
            self.branch.unlock()
1908
1807
            raise
1916
1815
    def _reset_data(self):
1917
1816
        """Reset transient data that cannot be revalidated."""
1918
1817
        self._inventory_is_modified = False
1919
 
        f = self._transport.get('inventory')
1920
 
        try:
1921
 
            result = self._deserialize(f)
1922
 
        finally:
1923
 
            f.close()
 
1818
        result = self._deserialize(self._transport.get('inventory'))
1924
1819
        self._set_inventory(result, dirty=False)
1925
1820
 
1926
1821
    @needs_tree_write_lock
1973
1868
            # revision_id is set. We must check for this full string, because a
1974
1869
            # root node id can legitimately look like 'revision_id' but cannot
1975
1870
            # contain a '"'.
1976
 
            xml = self.branch.repository._get_inventory_xml(new_revision)
 
1871
            xml = self.branch.repository.get_inventory_xml(new_revision)
1977
1872
            firstline = xml.split('\n', 1)[0]
1978
1873
            if (not 'revision_id="' in firstline or
1979
1874
                'format="7"' not in firstline):
1980
 
                inv = self.branch.repository._serializer.read_inventory_from_string(
1981
 
                    xml, new_revision)
 
1875
                inv = self.branch.repository.deserialise_inventory(
 
1876
                    new_revision, xml)
1982
1877
                xml = self._create_basis_xml_from_inventory(new_revision, inv)
1983
1878
            self._write_basis_inventory(xml)
1984
1879
        except (errors.NoSuchRevision, errors.RevisionNotPresent):
2002
1897
        # binary.
2003
1898
        if self._inventory_is_modified:
2004
1899
            raise errors.InventoryModified(self)
2005
 
        f = self._transport.get('inventory')
2006
 
        try:
2007
 
            result = self._deserialize(f)
2008
 
        finally:
2009
 
            f.close()
 
1900
        result = self._deserialize(self._transport.get('inventory'))
2010
1901
        self._set_inventory(result, dirty=False)
2011
1902
        return result
2012
1903
 
2025
1916
 
2026
1917
        inv_delta = []
2027
1918
 
2028
 
        all_files = set() # specified and nested files 
 
1919
        new_files=set()
2029
1920
        unknown_nested_files=set()
2030
 
        if to_file is None:
2031
 
            to_file = sys.stdout
2032
 
 
2033
 
        files_to_backup = []
2034
1921
 
2035
1922
        def recurse_directory_to_add_files(directory):
2036
1923
            # Recurse directory and add all files
2037
1924
            # so we can check if they have changed.
2038
 
            for parent_info, file_infos in self.walkdirs(directory):
 
1925
            for parent_info, file_infos in\
 
1926
                self.walkdirs(directory):
2039
1927
                for relpath, basename, kind, lstat, fileid, kind in file_infos:
2040
1928
                    # Is it versioned or ignored?
2041
 
                    if self.path2id(relpath):
 
1929
                    if self.path2id(relpath) or self.is_ignored(relpath):
2042
1930
                        # Add nested content for deletion.
2043
 
                        all_files.add(relpath)
 
1931
                        new_files.add(relpath)
2044
1932
                    else:
2045
 
                        # Files which are not versioned
 
1933
                        # Files which are not versioned and not ignored
2046
1934
                        # should be treated as unknown.
2047
 
                        files_to_backup.append(relpath)
 
1935
                        unknown_nested_files.add((relpath, None, kind))
2048
1936
 
2049
1937
        for filename in files:
2050
1938
            # Get file name into canonical form.
2051
1939
            abspath = self.abspath(filename)
2052
1940
            filename = self.relpath(abspath)
2053
1941
            if len(filename) > 0:
2054
 
                all_files.add(filename)
 
1942
                new_files.add(filename)
2055
1943
                recurse_directory_to_add_files(filename)
2056
1944
 
2057
 
        files = list(all_files)
 
1945
        files = list(new_files)
2058
1946
 
2059
1947
        if len(files) == 0:
2060
1948
            return # nothing to do
2064
1952
 
2065
1953
        # Bail out if we are going to delete files we shouldn't
2066
1954
        if not keep_files and not force:
2067
 
            for (file_id, path, content_change, versioned, parent_id, name,
2068
 
                 kind, executable) in self.iter_changes(self.basis_tree(),
2069
 
                     include_unchanged=True, require_versioned=False,
2070
 
                     want_unversioned=True, specific_files=files):
2071
 
                if versioned[0] == False:
2072
 
                    # The record is unknown or newly added
2073
 
                    files_to_backup.append(path[1])
2074
 
                elif (content_change and (kind[1] is not None) and
2075
 
                        osutils.is_inside_any(files, path[1])):
2076
 
                    # Versioned and changed, but not deleted, and still
2077
 
                    # in one of the dirs to be deleted.
2078
 
                    files_to_backup.append(path[1])
 
1955
            has_changed_files = len(unknown_nested_files) > 0
 
1956
            if not has_changed_files:
 
1957
                for (file_id, path, content_change, versioned, parent_id, name,
 
1958
                     kind, executable) in self.iter_changes(self.basis_tree(),
 
1959
                         include_unchanged=True, require_versioned=False,
 
1960
                         want_unversioned=True, specific_files=files):
 
1961
                    if versioned == (False, False):
 
1962
                        # The record is unknown ...
 
1963
                        if not self.is_ignored(path[1]):
 
1964
                            # ... but not ignored
 
1965
                            has_changed_files = True
 
1966
                            break
 
1967
                    elif content_change and (kind[1] is not None):
 
1968
                        # Versioned and changed, but not deleted
 
1969
                        has_changed_files = True
 
1970
                        break
2079
1971
 
2080
 
        def backup(file_to_backup):
2081
 
            backup_name = self.bzrdir.generate_backup_name(file_to_backup)
2082
 
            osutils.rename(abs_path, self.abspath(backup_name))
2083
 
            return "removed %s (but kept a copy: %s)" % (file_to_backup, backup_name)
 
1972
            if has_changed_files:
 
1973
                # Make delta show ALL applicable changes in error message.
 
1974
                tree_delta = self.changes_from(self.basis_tree(),
 
1975
                    require_versioned=False, want_unversioned=True,
 
1976
                    specific_files=files)
 
1977
                for unknown_file in unknown_nested_files:
 
1978
                    if unknown_file not in tree_delta.unversioned:
 
1979
                        tree_delta.unversioned.extend((unknown_file,))
 
1980
                raise errors.BzrRemoveChangedFilesError(tree_delta)
2084
1981
 
2085
1982
        # Build inv_delta and delete files where applicable,
2086
1983
        # do this before any modifications to inventory.
2096
1993
                        new_status = 'I'
2097
1994
                    else:
2098
1995
                        new_status = '?'
2099
 
                    # XXX: Really should be a more abstract reporter interface
2100
 
                    kind_ch = osutils.kind_marker(self.kind(fid))
2101
 
                    to_file.write(new_status + '       ' + f + kind_ch + '\n')
 
1996
                    textui.show_status(new_status, self.kind(fid), f,
 
1997
                                       to_file=to_file)
2102
1998
                # Unversion file
2103
1999
                inv_delta.append((f, None, fid, None))
2104
2000
                message = "removed %s" % (f,)
2110
2006
                        len(os.listdir(abs_path)) > 0):
2111
2007
                        if force:
2112
2008
                            osutils.rmtree(abs_path)
2113
 
                            message = "deleted %s" % (f,)
2114
2009
                        else:
2115
 
                            message = backup(f)
 
2010
                            message = "%s is not an empty directory "\
 
2011
                                "and won't be deleted." % (f,)
2116
2012
                    else:
2117
 
                        if f in files_to_backup:
2118
 
                            message = backup(f)
2119
 
                        else:
2120
 
                            osutils.delete_any(abs_path)
2121
 
                            message = "deleted %s" % (f,)
 
2013
                        osutils.delete_any(abs_path)
 
2014
                        message = "deleted %s" % (f,)
2122
2015
                elif message is not None:
2123
2016
                    # Only care if we haven't done anything yet.
2124
2017
                    message = "%s does not exist." % (f,)
2130
2023
 
2131
2024
    @needs_tree_write_lock
2132
2025
    def revert(self, filenames=None, old_tree=None, backups=True,
2133
 
               pb=None, report_changes=False):
 
2026
               pb=DummyProgress(), report_changes=False):
2134
2027
        from bzrlib.conflicts import resolve
2135
2028
        if filenames == []:
2136
2029
            filenames = None
2149
2042
            if filenames is None and len(self.get_parent_ids()) > 1:
2150
2043
                parent_trees = []
2151
2044
                last_revision = self.last_revision()
2152
 
                if last_revision != _mod_revision.NULL_REVISION:
 
2045
                if last_revision != NULL_REVISION:
2153
2046
                    if basis_tree is None:
2154
2047
                        basis_tree = self.basis_tree()
2155
2048
                        basis_tree.lock_read()
2193
2086
    def set_inventory(self, new_inventory_list):
2194
2087
        from bzrlib.inventory import (Inventory,
2195
2088
                                      InventoryDirectory,
 
2089
                                      InventoryEntry,
2196
2090
                                      InventoryFile,
2197
2091
                                      InventoryLink)
2198
2092
        inv = Inventory(self.get_root_id())
2258
2152
        """
2259
2153
        raise NotImplementedError(self.unlock)
2260
2154
 
2261
 
    _marker = object()
2262
 
 
2263
 
    def update(self, change_reporter=None, possible_transports=None,
2264
 
               revision=None, old_tip=_marker):
 
2155
    def update(self, change_reporter=None, possible_transports=None):
2265
2156
        """Update a working tree along its branch.
2266
2157
 
2267
2158
        This will update the branch if its bound too, which means we have
2285
2176
        - Merge current state -> basis tree of the master w.r.t. the old tree
2286
2177
          basis.
2287
2178
        - Do a 'normal' merge of the old branch basis if it is relevant.
2288
 
 
2289
 
        :param revision: The target revision to update to. Must be in the
2290
 
            revision history.
2291
 
        :param old_tip: If branch.update() has already been run, the value it
2292
 
            returned (old tip of the branch or None). _marker is used
2293
 
            otherwise.
2294
2179
        """
2295
2180
        if self.branch.get_bound_location() is not None:
2296
2181
            self.lock_write()
2297
 
            update_branch = (old_tip is self._marker)
 
2182
            update_branch = True
2298
2183
        else:
2299
2184
            self.lock_tree_write()
2300
2185
            update_branch = False
2302
2187
            if update_branch:
2303
2188
                old_tip = self.branch.update(possible_transports)
2304
2189
            else:
2305
 
                if old_tip is self._marker:
2306
 
                    old_tip = None
2307
 
            return self._update_tree(old_tip, change_reporter, revision)
 
2190
                old_tip = None
 
2191
            return self._update_tree(old_tip, change_reporter)
2308
2192
        finally:
2309
2193
            self.unlock()
2310
2194
 
2311
2195
    @needs_tree_write_lock
2312
 
    def _update_tree(self, old_tip=None, change_reporter=None, revision=None):
 
2196
    def _update_tree(self, old_tip=None, change_reporter=None):
2313
2197
        """Update a tree to the master branch.
2314
2198
 
2315
2199
        :param old_tip: if supplied, the previous tip revision the branch,
2325
2209
        # We MUST save it even if an error occurs, because otherwise the users
2326
2210
        # local work is unreferenced and will appear to have been lost.
2327
2211
        #
2328
 
        nb_conflicts = 0
 
2212
        result = 0
2329
2213
        try:
2330
2214
            last_rev = self.get_parent_ids()[0]
2331
2215
        except IndexError:
2332
2216
            last_rev = _mod_revision.NULL_REVISION
2333
 
        if revision is None:
2334
 
            revision = self.branch.last_revision()
2335
 
 
2336
 
        old_tip = old_tip or _mod_revision.NULL_REVISION
2337
 
 
2338
 
        if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2339
 
            # the branch we are bound to was updated
2340
 
            # merge those changes in first
2341
 
            base_tree  = self.basis_tree()
2342
 
            other_tree = self.branch.repository.revision_tree(old_tip)
2343
 
            nb_conflicts = merge.merge_inner(self.branch, other_tree,
2344
 
                                             base_tree, this_tree=self,
2345
 
                                             change_reporter=change_reporter)
2346
 
            if nb_conflicts:
2347
 
                self.add_parent_tree((old_tip, other_tree))
2348
 
                trace.note('Rerun update after fixing the conflicts.')
2349
 
                return nb_conflicts
2350
 
 
2351
 
        if last_rev != _mod_revision.ensure_null(revision):
2352
 
            # the working tree is up to date with the branch
2353
 
            # we can merge the specified revision from master
2354
 
            to_tree = self.branch.repository.revision_tree(revision)
2355
 
            to_root_id = to_tree.get_root_id()
2356
 
 
 
2217
        if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
 
2218
            # merge tree state up to new branch tip.
2357
2219
            basis = self.basis_tree()
2358
2220
            basis.lock_read()
2359
2221
            try:
2360
 
                if (basis.inventory.root is None
2361
 
                    or basis.inventory.root.file_id != to_root_id):
2362
 
                    self.set_root_id(to_root_id)
 
2222
                to_tree = self.branch.basis_tree()
 
2223
                if basis.inventory.root is None:
 
2224
                    self.set_root_id(to_tree.get_root_id())
2363
2225
                    self.flush()
 
2226
                result += merge.merge_inner(
 
2227
                                      self.branch,
 
2228
                                      to_tree,
 
2229
                                      basis,
 
2230
                                      this_tree=self,
 
2231
                                      change_reporter=change_reporter)
2364
2232
            finally:
2365
2233
                basis.unlock()
2366
 
 
2367
 
            # determine the branch point
2368
 
            graph = self.branch.repository.get_graph()
2369
 
            base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2370
 
                                                last_rev)
2371
 
            base_tree = self.branch.repository.revision_tree(base_rev_id)
2372
 
 
2373
 
            nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2374
 
                                             this_tree=self,
2375
 
                                             change_reporter=change_reporter)
2376
 
            self.set_last_revision(revision)
2377
2234
            # TODO - dedup parents list with things merged by pull ?
2378
2235
            # reuse the tree we've updated to to set the basis:
2379
 
            parent_trees = [(revision, to_tree)]
 
2236
            parent_trees = [(self.branch.last_revision(), to_tree)]
2380
2237
            merges = self.get_parent_ids()[1:]
2381
2238
            # Ideally we ask the tree for the trees here, that way the working
2382
2239
            # tree can decide whether to give us the entire tree or give us a
2386
2243
            for parent in merges:
2387
2244
                parent_trees.append(
2388
2245
                    (parent, self.branch.repository.revision_tree(parent)))
2389
 
            if not _mod_revision.is_null(old_tip):
 
2246
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2390
2247
                parent_trees.append(
2391
2248
                    (old_tip, self.branch.repository.revision_tree(old_tip)))
2392
2249
            self.set_parent_trees(parent_trees)
2393
2250
            last_rev = parent_trees[0][0]
2394
 
        return nb_conflicts
 
2251
        else:
 
2252
            # the working tree had the same last-revision as the master
 
2253
            # branch did. We may still have pivot local work from the local
 
2254
            # branch into old_tip:
 
2255
            if (old_tip is not None and not _mod_revision.is_null(old_tip)):
 
2256
                self.add_parent_tree_id(old_tip)
 
2257
        if (old_tip is not None and not _mod_revision.is_null(old_tip)
 
2258
            and old_tip != last_rev):
 
2259
            # our last revision was not the prior branch last revision
 
2260
            # and we have converted that last revision to a pending merge.
 
2261
            # base is somewhere between the branch tip now
 
2262
            # and the now pending merge
 
2263
 
 
2264
            # Since we just modified the working tree and inventory, flush out
 
2265
            # the current state, before we modify it again.
 
2266
            # TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
 
2267
            #       requires it only because TreeTransform directly munges the
 
2268
            #       inventory and calls tree._write_inventory(). Ultimately we
 
2269
            #       should be able to remove this extra flush.
 
2270
            self.flush()
 
2271
            graph = self.branch.repository.get_graph()
 
2272
            base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
 
2273
                                                old_tip)
 
2274
            base_tree = self.branch.repository.revision_tree(base_rev_id)
 
2275
            other_tree = self.branch.repository.revision_tree(old_tip)
 
2276
            result += merge.merge_inner(
 
2277
                                  self.branch,
 
2278
                                  other_tree,
 
2279
                                  base_tree,
 
2280
                                  this_tree=self,
 
2281
                                  change_reporter=change_reporter)
 
2282
        return result
2395
2283
 
2396
2284
    def _write_hashcache_if_dirty(self):
2397
2285
        """Write out the hashcache if it is dirty."""
2638
2526
        return un_resolved, resolved
2639
2527
 
2640
2528
    @needs_read_lock
2641
 
    def _check(self, references):
2642
 
        """Check the tree for consistency.
2643
 
 
2644
 
        :param references: A dict with keys matching the items returned by
2645
 
            self._get_check_refs(), and values from looking those keys up in
2646
 
            the repository.
2647
 
        """
 
2529
    def _check(self):
2648
2530
        tree_basis = self.basis_tree()
2649
2531
        tree_basis.lock_read()
2650
2532
        try:
2651
 
            repo_basis = references[('trees', self.last_revision())]
 
2533
            repo_basis = self.branch.repository.revision_tree(
 
2534
                self.last_revision())
2652
2535
            if len(list(repo_basis.iter_changes(tree_basis))) > 0:
2653
2536
                raise errors.BzrCheckError(
2654
2537
                    "Mismatched basis inventory content.")
2667
2550
        """
2668
2551
        return
2669
2552
 
 
2553
    @needs_read_lock
2670
2554
    def _get_rules_searcher(self, default_searcher):
2671
2555
        """See Tree._get_rules_searcher."""
2672
2556
        if self._rules_searcher is None:
2699
2583
        if self._inventory is None:
2700
2584
            self.read_working_inventory()
2701
2585
 
2702
 
    def _get_check_refs(self):
2703
 
        """Return the references needed to perform a check of this tree."""
2704
 
        return [('trees', self.last_revision())]
2705
 
 
2706
2586
    def lock_tree_write(self):
2707
2587
        """See WorkingTree.lock_tree_write().
2708
2588
 
2709
2589
        In Format2 WorkingTrees we have a single lock for the branch and tree
2710
2590
        so lock_tree_write() degrades to lock_write().
2711
 
 
2712
 
        :return: An object with an unlock method which will release the lock
2713
 
            obtained.
2714
2591
        """
2715
2592
        self.branch.lock_write()
2716
2593
        try:
2717
 
            self._control_files.lock_write()
2718
 
            return self
 
2594
            return self._control_files.lock_write()
2719
2595
        except:
2720
2596
            self.branch.unlock()
2721
2597
            raise
2758
2634
 
2759
2635
    def _change_last_revision(self, revision_id):
2760
2636
        """See WorkingTree._change_last_revision."""
2761
 
        if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
 
2637
        if revision_id is None or revision_id == NULL_REVISION:
2762
2638
            try:
2763
2639
                self._transport.delete('last-revision')
2764
2640
            except errors.NoSuchFile:
2769
2645
                mode=self.bzrdir._get_file_mode())
2770
2646
            return True
2771
2647
 
2772
 
    def _get_check_refs(self):
2773
 
        """Return the references needed to perform a check of this tree."""
2774
 
        return [('trees', self.last_revision())]
2775
 
 
2776
2648
    @needs_tree_write_lock
2777
2649
    def set_conflicts(self, conflicts):
2778
2650
        self._put_rio('conflicts', conflicts.to_stanzas(),
2855
2727
        """Return the format for the working tree object in a_bzrdir."""
2856
2728
        try:
2857
2729
            transport = a_bzrdir.get_workingtree_transport(None)
2858
 
            format_string = transport.get_bytes("format")
 
2730
            format_string = transport.get("format").read()
2859
2731
            return klass._formats[format_string]
2860
2732
        except errors.NoSuchFile:
2861
2733
            raise errors.NoWorkingTree(base=transport.base)
2932
2804
        no working tree.  (See bug #43064).
2933
2805
        """
2934
2806
        sio = StringIO()
2935
 
        inv = inventory.Inventory()
 
2807
        inv = Inventory()
2936
2808
        xml5.serializer_v5.write_inventory(inv, sio, working=True)
2937
2809
        sio.seek(0)
2938
2810
        transport.put_file('inventory', sio, file_mode)
2954
2826
            branch.generate_revision_history(revision_id)
2955
2827
        finally:
2956
2828
            branch.unlock()
2957
 
        inv = inventory.Inventory()
 
2829
        inv = Inventory()
2958
2830
        wt = WorkingTree2(a_bzrdir.root_transport.local_abspath('.'),
2959
2831
                         branch,
2960
2832
                         inv,
3077
2949
            # only set an explicit root id if there is one to set.
3078
2950
            if basis_tree.inventory.root is not None:
3079
2951
                wt.set_root_id(basis_tree.get_root_id())
3080
 
            if revision_id == _mod_revision.NULL_REVISION:
 
2952
            if revision_id == NULL_REVISION:
3081
2953
                wt.set_parent_trees([])
3082
2954
            else:
3083
2955
                wt.set_parent_trees([(revision_id, basis_tree)])
3090
2962
        return wt
3091
2963
 
3092
2964
    def _initial_inventory(self):
3093
 
        return inventory.Inventory()
 
2965
        return Inventory()
3094
2966
 
3095
2967
    def __init__(self):
3096
2968
        super(WorkingTreeFormat3, self).__init__()
3125
2997
        return self.get_format_string()
3126
2998
 
3127
2999
 
3128
 
__default_format = WorkingTreeFormat6()
 
3000
__default_format = WorkingTreeFormat4()
3129
3001
WorkingTreeFormat.register_format(__default_format)
 
3002
WorkingTreeFormat.register_format(WorkingTreeFormat6())
3130
3003
WorkingTreeFormat.register_format(WorkingTreeFormat5())
3131
 
WorkingTreeFormat.register_format(WorkingTreeFormat4())
3132
3004
WorkingTreeFormat.register_format(WorkingTreeFormat3())
3133
3005
WorkingTreeFormat.set_default_format(__default_format)
3134
3006
# formats which have no format string are not discoverable