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Viewing changes to bzrlib/workingtree_4.py

  • Committer: John Arbash Meinel
  • Date: 2008-05-28 23:20:33 UTC
  • mto: This revision was merged to the branch mainline in revision 3458.
  • Revision ID: john@arbash-meinel.com-20080528232033-cx3l3yg845udklps
Bring back always in the form of 'override'.
Change the functions so that they are compatible with the released
definition, and just allow callers to supply override=False
if they want the new behavior.

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1
 
# Copyright (C) 2007-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007 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
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""WorkingTree4 format and implementation.
18
18
 
28
28
 
29
29
from bzrlib.lazy_import import lazy_import
30
30
lazy_import(globals(), """
 
31
from bisect import bisect_left
 
32
import collections
 
33
from copy import deepcopy
31
34
import errno
 
35
import itertools
 
36
import operator
32
37
import stat
 
38
from time import time
 
39
import warnings
33
40
 
34
41
import bzrlib
35
42
from bzrlib import (
36
43
    bzrdir,
37
44
    cache_utf8,
 
45
    conflicts as _mod_conflicts,
38
46
    debug,
 
47
    delta,
39
48
    dirstate,
40
49
    errors,
41
50
    generate_ids,
 
51
    globbing,
 
52
    ignores,
 
53
    merge,
42
54
    osutils,
43
55
    revision as _mod_revision,
44
56
    revisiontree,
 
57
    textui,
45
58
    trace,
46
59
    transform,
47
 
    views,
 
60
    urlutils,
 
61
    xml5,
 
62
    xml6,
48
63
    )
49
64
import bzrlib.branch
 
65
from bzrlib.transport import get_transport
50
66
import bzrlib.ui
51
67
""")
52
68
 
 
69
from bzrlib import symbol_versioning
53
70
from bzrlib.decorators import needs_read_lock, needs_write_lock
54
 
from bzrlib.filters import filtered_input_file, internal_size_sha_file_byname
55
 
from bzrlib.inventory import Inventory, ROOT_ID, entry_factory
 
71
from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, entry_factory
 
72
from bzrlib.lockable_files import LockableFiles, TransportLock
 
73
from bzrlib.lockdir import LockDir
 
74
import bzrlib.mutabletree
56
75
from bzrlib.mutabletree import needs_tree_write_lock
57
76
from bzrlib.osutils import (
58
77
    file_kind,
59
78
    isdir,
 
79
    normpath,
60
80
    pathjoin,
 
81
    rand_chars,
61
82
    realpath,
62
83
    safe_unicode,
 
84
    splitpath,
63
85
    )
64
 
from bzrlib.trace import mutter
 
86
from bzrlib.trace import mutter, note
65
87
from bzrlib.transport.local import LocalTransport
66
88
from bzrlib.tree import InterTree
 
89
from bzrlib.progress import DummyProgress, ProgressPhase
 
90
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
 
91
from bzrlib.rio import RioReader, rio_file, Stanza
 
92
from bzrlib.symbol_versioning import (deprecated_passed,
 
93
        deprecated_method,
 
94
        deprecated_function,
 
95
        DEPRECATED_PARAMETER,
 
96
        )
67
97
from bzrlib.tree import Tree
68
98
from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
69
99
 
70
100
 
71
 
class DirStateWorkingTree(WorkingTree3):
 
101
# This is the Windows equivalent of ENOTDIR
 
102
# It is defined in pywin32.winerror, but we don't want a strong dependency for
 
103
# just an error code.
 
104
ERROR_PATH_NOT_FOUND = 3
 
105
ERROR_DIRECTORY = 267
 
106
 
 
107
 
 
108
class WorkingTree4(WorkingTree3):
 
109
    """This is the Format 4 working tree.
 
110
 
 
111
    This differs from WorkingTree3 by:
 
112
     - Having a consolidated internal dirstate, stored in a
 
113
       randomly-accessible sorted file on disk.
 
114
     - Not having a regular inventory attribute.  One can be synthesized 
 
115
       on demand but this is expensive and should be avoided.
 
116
 
 
117
    This is new in bzr 0.15.
 
118
    """
 
119
 
72
120
    def __init__(self, basedir,
73
121
                 branch,
74
122
                 _control_files=None,
100
148
        #-------------
101
149
        self._setup_directory_is_tree_reference()
102
150
        self._detect_case_handling()
103
 
        self._rules_searcher = None
104
 
        self.views = self._make_views()
105
 
        #--- allow tests to select the dirstate iter_changes implementation
106
 
        self._iter_changes = dirstate._process_entry
107
151
 
108
152
    @needs_tree_write_lock
109
153
    def _add(self, files, ids, kinds):
137
181
    @needs_tree_write_lock
138
182
    def add_reference(self, sub_tree):
139
183
        # use standard implementation, which calls back to self._add
140
 
        #
 
184
        # 
141
185
        # So we don't store the reference_revision in the working dirstate,
142
 
        # it's just recorded at the moment of commit.
 
186
        # it's just recorded at the moment of commit. 
143
187
        self._add_reference(sub_tree)
144
188
 
145
189
    def break_lock(self):
184
228
            WorkingTree3._comparison_data(self, entry, path)
185
229
        # it looks like a plain directory, but it's really a reference -- see
186
230
        # also kind()
187
 
        if (self._repo_supports_tree_reference and kind == 'directory'
188
 
            and entry is not None and entry.kind == 'tree-reference'):
 
231
        if (self._repo_supports_tree_reference and
 
232
            kind == 'directory' and
 
233
            self._directory_is_tree_reference(path)):
189
234
            kind = 'tree-reference'
190
235
        return kind, executable, stat_value
191
236
 
217
262
            return self._dirstate
218
263
        local_path = self.bzrdir.get_workingtree_transport(None
219
264
            ).local_abspath('dirstate')
220
 
        self._dirstate = dirstate.DirState.on_file(local_path,
221
 
            self._sha1_provider())
 
265
        self._dirstate = dirstate.DirState.on_file(local_path)
222
266
        return self._dirstate
223
267
 
224
 
    def _sha1_provider(self):
225
 
        """A function that returns a SHA1Provider suitable for this tree.
226
 
 
227
 
        :return: None if content filtering is not supported by this tree.
228
 
          Otherwise, a SHA1Provider is returned that sha's the canonical
229
 
          form of files, i.e. after read filters are applied.
230
 
        """
231
 
        if self.supports_content_filtering():
232
 
            return ContentFilterAwareSHA1Provider(self)
233
 
        else:
234
 
            return None
235
 
 
236
268
    def filter_unversioned_files(self, paths):
237
269
        """Filter out paths that are versioned.
238
270
 
270
302
 
271
303
    def _generate_inventory(self):
272
304
        """Create and set self.inventory from the dirstate object.
273
 
 
 
305
        
274
306
        This is relatively expensive: we have to walk the entire dirstate.
275
307
        Ideally we would not, and can deprecate this function.
276
308
        """
321
353
                    parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
322
354
                elif kind == 'tree-reference':
323
355
                    if not self._repo_supports_tree_reference:
324
 
                        raise errors.UnsupportedOperation(
325
 
                            self._generate_inventory,
326
 
                            self.branch.repository)
 
356
                        raise AssertionError(
 
357
                            "repository of %r "
 
358
                            "doesn't support tree references "
 
359
                            "required by entry %r"
 
360
                            % (self, name))
327
361
                    inv_entry.reference_revision = link_or_sha1 or None
328
362
                elif kind != 'symlink':
329
363
                    raise AssertionError("unknown kind %r" % kind)
344
378
        If either file_id or path is supplied, it is used as the key to lookup.
345
379
        If both are supplied, the fastest lookup is used, and an error is
346
380
        raised if they do not both point at the same row.
347
 
 
 
381
        
348
382
        :param file_id: An optional unicode file_id to be looked up.
349
383
        :param path: An optional unicode path to be looked up.
350
384
        :return: The dirstate row tuple for path/file_id, or (None, None)
374
408
                    return None
375
409
                else:
376
410
                    raise
377
 
        link_or_sha1 = dirstate.update_entry(state, entry, file_abspath,
378
 
            stat_value=stat_value)
 
411
        link_or_sha1 = state.update_entry(entry, file_abspath,
 
412
                                          stat_value=stat_value)
379
413
        if entry[1][0][0] == 'f':
380
 
            if link_or_sha1 is None:
381
 
                file_obj, statvalue = self.get_file_with_stat(file_id, path)
382
 
                try:
383
 
                    sha1 = osutils.sha_file(file_obj)
384
 
                finally:
385
 
                    file_obj.close()
386
 
                self._observed_sha1(file_id, path, (sha1, statvalue))
387
 
                return sha1
388
 
            else:
389
 
                return link_or_sha1
 
414
            return link_or_sha1
390
415
        return None
391
416
 
392
417
    def _get_inventory(self):
406
431
    @needs_read_lock
407
432
    def get_parent_ids(self):
408
433
        """See Tree.get_parent_ids.
409
 
 
 
434
        
410
435
        This implementation requests the ids list from the dirstate file.
411
436
        """
412
437
        return self.current_dirstate().get_parent_ids()
434
459
        return osutils.lexists(pathjoin(
435
460
                    self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
436
461
 
437
 
    def has_or_had_id(self, file_id):
438
 
        state = self.current_dirstate()
439
 
        row, parents = self._get_entry(file_id=file_id)
440
 
        return row is not None
441
 
 
442
462
    @needs_read_lock
443
463
    def id2path(self, file_id):
444
464
        "Convert a file-id to a path."
508
528
        return iter(result)
509
529
 
510
530
    def iter_references(self):
511
 
        if not self._repo_supports_tree_reference:
512
 
            # When the repo doesn't support references, we will have nothing to
513
 
            # return
514
 
            return
515
531
        for key, tree_details in self.current_dirstate()._iter_entries():
516
532
            if tree_details[0][0] in ('a', 'r'): # absent, relocated
517
533
                # not relevant to the working tree
519
535
            if not key[1]:
520
536
                # the root is not a reference.
521
537
                continue
522
 
            relpath = pathjoin(key[0].decode('utf8'), key[1].decode('utf8'))
 
538
            path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
523
539
            try:
524
 
                if self._kind(relpath) == 'tree-reference':
525
 
                    yield relpath, key[2]
 
540
                if self._kind(path) == 'tree-reference':
 
541
                    yield path, key[2]
526
542
            except errors.NoSuchFile:
527
543
                # path is missing on disk.
528
544
                continue
529
545
 
530
 
    def _observed_sha1(self, file_id, path, (sha1, statvalue)):
531
 
        """See MutableTree._observed_sha1."""
532
 
        state = self.current_dirstate()
533
 
        entry = self._get_entry(file_id=file_id, path=path)
534
 
        state._observed_sha1(entry, sha1, statvalue)
535
 
 
536
546
    def kind(self, file_id):
537
547
        """Return the kind of a file.
538
548
 
550
560
    def _kind(self, relpath):
551
561
        abspath = self.abspath(relpath)
552
562
        kind = file_kind(abspath)
553
 
        if (self._repo_supports_tree_reference and kind == 'directory'):
554
 
            entry = self._get_entry(path=relpath)
555
 
            if entry[1] is not None:
556
 
                if entry[1][0][0] == 't':
557
 
                    kind = 'tree-reference'
 
563
        if (self._repo_supports_tree_reference and
 
564
            kind == 'directory' and
 
565
            self._directory_is_tree_reference(relpath)):
 
566
            kind = 'tree-reference'
558
567
        return kind
559
568
 
560
569
    @needs_read_lock
691
700
            from_entry = self._get_entry(path=from_rel)
692
701
            if from_entry == (None, None):
693
702
                raise errors.BzrMoveFailedError(from_rel,to_dir,
694
 
                    errors.NotVersionedError(path=from_rel))
 
703
                    errors.NotVersionedError(path=str(from_rel)))
695
704
 
696
705
            from_id = from_entry[0][2]
697
706
            to_rel = pathjoin(to_dir, from_tail)
872
881
        for tree in trees:
873
882
            if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
874
883
                parents):
875
 
                return super(DirStateWorkingTree, self).paths2ids(paths,
876
 
                    trees, require_versioned)
 
884
                return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
877
885
        search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
878
886
        # -- make all paths utf8 --
879
887
        paths_utf8 = set()
940
948
                raise errors.PathsNotVersionedError(paths)
941
949
        # -- remove redundancy in supplied paths to prevent over-scanning --
942
950
        search_paths = osutils.minimum_path_selection(paths)
943
 
        # sketch:
 
951
        # sketch: 
944
952
        # for all search_indexs in each path at or under each element of
945
953
        # search_paths, if the detail is relocated: add the id, and add the
946
954
        # relocated path as one to search if its not searched already. If the
1002
1010
 
1003
1011
    def read_working_inventory(self):
1004
1012
        """Read the working inventory.
1005
 
 
 
1013
        
1006
1014
        This is a meaningless operation for dirstate, but we obey it anyhow.
1007
1015
        """
1008
1016
        return self.inventory
1026
1034
    def set_last_revision(self, new_revision):
1027
1035
        """Change the last revision in the working tree."""
1028
1036
        parents = self.get_parent_ids()
1029
 
        if new_revision in (_mod_revision.NULL_REVISION, None):
 
1037
        if new_revision in (NULL_REVISION, None):
1030
1038
            if len(parents) >= 2:
1031
1039
                raise AssertionError(
1032
1040
                    "setting the last parent to none with a pending merge is "
1039
1047
    @needs_tree_write_lock
1040
1048
    def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1041
1049
        """Set the parent ids to revision_ids.
1042
 
 
 
1050
        
1043
1051
        See also set_parent_trees. This api will try to retrieve the tree data
1044
1052
        for each element of revision_ids from the trees repository. If you have
1045
1053
        tree data already available, it is more efficient to use
1077
1085
                raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1078
1086
        real_trees = []
1079
1087
        ghosts = []
1080
 
 
1081
 
        parent_ids = [rev_id for rev_id, tree in parents_list]
1082
 
        graph = self.branch.repository.get_graph()
1083
 
        heads = graph.heads(parent_ids)
1084
 
        accepted_revisions = set()
1085
 
 
1086
1088
        # convert absent trees to the null tree, which we convert back to
1087
1089
        # missing on access.
1088
1090
        for rev_id, tree in parents_list:
1089
 
            if len(accepted_revisions) > 0:
1090
 
                # we always accept the first tree
1091
 
                if rev_id in accepted_revisions or rev_id not in heads:
1092
 
                    # We have already included either this tree, or its
1093
 
                    # descendent, so we skip it.
1094
 
                    continue
1095
1091
            _mod_revision.check_not_reserved_id(rev_id)
1096
1092
            if tree is not None:
1097
1093
                real_trees.append((rev_id, tree))
1098
1094
            else:
1099
1095
                real_trees.append((rev_id,
1100
 
                    self.branch.repository.revision_tree(
1101
 
                        _mod_revision.NULL_REVISION)))
 
1096
                    self.branch.repository.revision_tree(None)))
1102
1097
                ghosts.append(rev_id)
1103
 
            accepted_revisions.add(rev_id)
1104
1098
        dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1105
1099
        self._make_dirty(reset_inventory=False)
1106
1100
 
1199
1193
                # just forget the whole block.
1200
1194
                entry_index = 0
1201
1195
                while entry_index < len(block[1]):
 
1196
                    # Mark this file id as having been removed
1202
1197
                    entry = block[1][entry_index]
1203
 
                    if entry[1][0][0] in 'ar':
1204
 
                        # don't remove absent or renamed entries
 
1198
                    ids_to_unversion.discard(entry[0][2])
 
1199
                    if (entry[1][0][0] in 'ar' # don't remove absent or renamed
 
1200
                                               # entries
 
1201
                        or not state._make_absent(entry)):
1205
1202
                        entry_index += 1
1206
 
                    else:
1207
 
                        # Mark this file id as having been removed
1208
 
                        ids_to_unversion.discard(entry[0][2])
1209
 
                        if not state._make_absent(entry):
1210
 
                            # The block has not shrunk.
1211
 
                            entry_index += 1
1212
1203
                # go to the next block. (At the moment we dont delete empty
1213
1204
                # dirblocks)
1214
1205
                block_index += 1
1266
1257
        if self._dirty:
1267
1258
            raise AssertionError("attempting to write an inventory when the "
1268
1259
                "dirstate is dirty will lose pending changes")
1269
 
        had_inventory = self._inventory is not None
1270
 
        # Setting self._inventory = None forces the dirstate to regenerate the
1271
 
        # working inventory. We do this because self.inventory may be inv, or
1272
 
        # may have been modified, and either case would prevent a clean delta
1273
 
        # being created.
1274
 
        self._inventory = None
1275
 
        # generate a delta,
1276
 
        delta = inv._make_delta(self.inventory)
1277
 
        # and apply it.
1278
 
        self.apply_inventory_delta(delta)
1279
 
        if had_inventory:
 
1260
        self.current_dirstate().set_state_from_inventory(inv)
 
1261
        self._make_dirty(reset_inventory=False)
 
1262
        if self._inventory is not None:
1280
1263
            self._inventory = inv
1281
1264
        self.flush()
1282
1265
 
1283
1266
 
1284
 
class ContentFilterAwareSHA1Provider(dirstate.SHA1Provider):
1285
 
 
1286
 
    def __init__(self, tree):
1287
 
        self.tree = tree
1288
 
 
1289
 
    def sha1(self, abspath):
1290
 
        """See dirstate.SHA1Provider.sha1()."""
1291
 
        filters = self.tree._content_filter_stack(
1292
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1293
 
        return internal_size_sha_file_byname(abspath, filters)[1]
1294
 
 
1295
 
    def stat_and_sha1(self, abspath):
1296
 
        """See dirstate.SHA1Provider.stat_and_sha1()."""
1297
 
        filters = self.tree._content_filter_stack(
1298
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1299
 
        file_obj = file(abspath, 'rb', 65000)
1300
 
        try:
1301
 
            statvalue = os.fstat(file_obj.fileno())
1302
 
            if filters:
1303
 
                file_obj = filtered_input_file(file_obj, filters)
1304
 
            sha1 = osutils.size_sha_file(file_obj)[1]
1305
 
        finally:
1306
 
            file_obj.close()
1307
 
        return statvalue, sha1
1308
 
 
1309
 
 
1310
 
class ContentFilteringDirStateWorkingTree(DirStateWorkingTree):
1311
 
    """Dirstate working tree that supports content filtering.
1312
 
 
1313
 
    The dirstate holds the hash and size of the canonical form of the file, 
1314
 
    and most methods must return that.
1315
 
    """
1316
 
 
1317
 
    def _file_content_summary(self, path, stat_result):
1318
 
        # This is to support the somewhat obsolete path_content_summary method
1319
 
        # with content filtering: see
1320
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/415508>.
1321
 
        #
1322
 
        # If the dirstate cache is up to date and knows the hash and size,
1323
 
        # return that.
1324
 
        # Otherwise if there are no content filters, return the on-disk size
1325
 
        # and leave the hash blank.
1326
 
        # Otherwise, read and filter the on-disk file and use its size and
1327
 
        # hash.
1328
 
        #
1329
 
        # The dirstate doesn't store the size of the canonical form so we
1330
 
        # can't trust it for content-filtered trees.  We just return None.
1331
 
        dirstate_sha1 = self._dirstate.sha1_from_stat(path, stat_result)
1332
 
        executable = self._is_executable_from_path_and_stat(path, stat_result)
1333
 
        return ('file', None, executable, dirstate_sha1)
1334
 
 
1335
 
 
1336
 
class WorkingTree4(DirStateWorkingTree):
1337
 
    """This is the Format 4 working tree.
1338
 
 
1339
 
    This differs from WorkingTree3 by:
1340
 
     - Having a consolidated internal dirstate, stored in a
1341
 
       randomly-accessible sorted file on disk.
1342
 
     - Not having a regular inventory attribute.  One can be synthesized
1343
 
       on demand but this is expensive and should be avoided.
1344
 
 
1345
 
    This is new in bzr 0.15.
1346
 
    """
1347
 
 
1348
 
 
1349
 
class WorkingTree5(ContentFilteringDirStateWorkingTree):
1350
 
    """This is the Format 5 working tree.
1351
 
 
1352
 
    This differs from WorkingTree4 by:
1353
 
     - Supporting content filtering.
1354
 
 
1355
 
    This is new in bzr 1.11.
1356
 
    """
1357
 
 
1358
 
 
1359
 
class WorkingTree6(ContentFilteringDirStateWorkingTree):
1360
 
    """This is the Format 6 working tree.
1361
 
 
1362
 
    This differs from WorkingTree5 by:
1363
 
     - Supporting a current view that may mask the set of files in a tree
1364
 
       impacted by most user operations.
1365
 
 
1366
 
    This is new in bzr 1.14.
1367
 
    """
1368
 
 
1369
 
    def _make_views(self):
1370
 
        return views.PathBasedViews(self)
1371
 
 
1372
 
 
1373
 
class DirStateWorkingTreeFormat(WorkingTreeFormat3):
 
1267
class WorkingTreeFormat4(WorkingTreeFormat3):
 
1268
    """The first consolidated dirstate working tree format.
 
1269
 
 
1270
    This format:
 
1271
        - exists within a metadir controlling .bzr
 
1272
        - includes an explicit version marker for the workingtree control
 
1273
          files, separate from the BzrDir format
 
1274
        - modifies the hash cache format
 
1275
        - is new in bzr 0.15
 
1276
        - uses a LockDir to guard access to it.
 
1277
    """
 
1278
 
 
1279
    upgrade_recommended = False
 
1280
 
 
1281
    def get_format_string(self):
 
1282
        """See WorkingTreeFormat.get_format_string()."""
 
1283
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
 
1284
 
 
1285
    def get_format_description(self):
 
1286
        """See WorkingTreeFormat.get_format_description()."""
 
1287
        return "Working tree format 4"
1374
1288
 
1375
1289
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1376
1290
                   accelerator_tree=None, hardlink=False):
1395
1309
        control_files.create_lock()
1396
1310
        control_files.lock_write()
1397
1311
        transport.put_bytes('format', self.get_format_string(),
1398
 
            mode=a_bzrdir._get_file_mode())
 
1312
            mode=control_files._file_mode)
1399
1313
        if from_branch is not None:
1400
1314
            branch = from_branch
1401
1315
        else:
1407
1321
        state = dirstate.DirState.initialize(local_path)
1408
1322
        state.unlock()
1409
1323
        del state
1410
 
        wt = self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1324
        wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1411
1325
                         branch,
1412
1326
                         _format=self,
1413
1327
                         _bzrdir=a_bzrdir,
1415
1329
        wt._new_tree()
1416
1330
        wt.lock_tree_write()
1417
1331
        try:
1418
 
            self._init_custom_control_files(wt)
1419
 
            if revision_id in (None, _mod_revision.NULL_REVISION):
 
1332
            if revision_id in (None, NULL_REVISION):
1420
1333
                if branch.repository.supports_rich_root():
1421
1334
                    wt._set_root_id(generate_ids.gen_root_id())
1422
1335
                else:
1433
1346
                    pass
1434
1347
            if basis is None:
1435
1348
                basis = branch.repository.revision_tree(revision_id)
1436
 
            if revision_id == _mod_revision.NULL_REVISION:
 
1349
            if revision_id == NULL_REVISION:
1437
1350
                parents_list = []
1438
1351
            else:
1439
1352
                parents_list = [(revision_id, basis)]
1447
1360
                if basis_root_id is not None:
1448
1361
                    wt._set_root_id(basis_root_id)
1449
1362
                    wt.flush()
1450
 
                if wt.supports_content_filtering():
1451
 
                    # The original tree may not have the same content filters
1452
 
                    # applied so we can't safely build the inventory delta from
1453
 
                    # the source tree.
1454
 
                    delta_from_tree = False
1455
 
                else:
1456
 
                    delta_from_tree = True
1457
 
                # delta_from_tree is safe even for DirStateRevisionTrees,
1458
 
                # because wt4.apply_inventory_delta does not mutate the input
1459
 
                # inventory entries.
1460
1363
                transform.build_tree(basis, wt, accelerator_tree,
1461
 
                                     hardlink=hardlink,
1462
 
                                     delta_from_tree=delta_from_tree)
 
1364
                                     hardlink=hardlink)
1463
1365
            finally:
1464
1366
                basis.unlock()
1465
1367
        finally:
1467
1369
            wt.unlock()
1468
1370
        return wt
1469
1371
 
1470
 
    def _init_custom_control_files(self, wt):
1471
 
        """Subclasses with custom control files should override this method.
1472
 
 
1473
 
        The working tree and control files are locked for writing when this
1474
 
        method is called.
1475
 
 
1476
 
        :param wt: the WorkingTree object
1477
 
        """
1478
 
 
1479
1372
    def _open(self, a_bzrdir, control_files):
1480
1373
        """Open the tree itself.
1481
1374
 
1482
1375
        :param a_bzrdir: the dir for the tree.
1483
1376
        :param control_files: the control files for the tree.
1484
1377
        """
1485
 
        return self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1378
        return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1486
1379
                           branch=a_bzrdir.open_branch(),
1487
1380
                           _format=self,
1488
1381
                           _bzrdir=a_bzrdir,
1489
1382
                           _control_files=control_files)
1490
1383
 
1491
1384
    def __get_matchingbzrdir(self):
1492
 
        return self._get_matchingbzrdir()
1493
 
 
1494
 
    def _get_matchingbzrdir(self):
1495
 
        """Overrideable method to get a bzrdir for testing."""
1496
1385
        # please test against something that will let us do tree references
1497
1386
        return bzrdir.format_registry.make_bzrdir(
1498
1387
            'dirstate-with-subtree')
1500
1389
    _matchingbzrdir = property(__get_matchingbzrdir)
1501
1390
 
1502
1391
 
1503
 
class WorkingTreeFormat4(DirStateWorkingTreeFormat):
1504
 
    """The first consolidated dirstate working tree format.
1505
 
 
1506
 
    This format:
1507
 
        - exists within a metadir controlling .bzr
1508
 
        - includes an explicit version marker for the workingtree control
1509
 
          files, separate from the BzrDir format
1510
 
        - modifies the hash cache format
1511
 
        - is new in bzr 0.15
1512
 
        - uses a LockDir to guard access to it.
1513
 
    """
1514
 
 
1515
 
    upgrade_recommended = False
1516
 
 
1517
 
    _tree_class = WorkingTree4
1518
 
 
1519
 
    def get_format_string(self):
1520
 
        """See WorkingTreeFormat.get_format_string()."""
1521
 
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1522
 
 
1523
 
    def get_format_description(self):
1524
 
        """See WorkingTreeFormat.get_format_description()."""
1525
 
        return "Working tree format 4"
1526
 
 
1527
 
 
1528
 
class WorkingTreeFormat5(DirStateWorkingTreeFormat):
1529
 
    """WorkingTree format supporting content filtering.
1530
 
    """
1531
 
 
1532
 
    upgrade_recommended = False
1533
 
 
1534
 
    _tree_class = WorkingTree5
1535
 
 
1536
 
    def get_format_string(self):
1537
 
        """See WorkingTreeFormat.get_format_string()."""
1538
 
        return "Bazaar Working Tree Format 5 (bzr 1.11)\n"
1539
 
 
1540
 
    def get_format_description(self):
1541
 
        """See WorkingTreeFormat.get_format_description()."""
1542
 
        return "Working tree format 5"
1543
 
 
1544
 
    def supports_content_filtering(self):
1545
 
        return True
1546
 
 
1547
 
 
1548
 
class WorkingTreeFormat6(DirStateWorkingTreeFormat):
1549
 
    """WorkingTree format supporting views.
1550
 
    """
1551
 
 
1552
 
    upgrade_recommended = False
1553
 
 
1554
 
    _tree_class = WorkingTree6
1555
 
 
1556
 
    def get_format_string(self):
1557
 
        """See WorkingTreeFormat.get_format_string()."""
1558
 
        return "Bazaar Working Tree Format 6 (bzr 1.14)\n"
1559
 
 
1560
 
    def get_format_description(self):
1561
 
        """See WorkingTreeFormat.get_format_description()."""
1562
 
        return "Working tree format 6"
1563
 
 
1564
 
    def _init_custom_control_files(self, wt):
1565
 
        """Subclasses with custom control files should override this method."""
1566
 
        wt._transport.put_bytes('views', '', mode=wt.bzrdir._get_file_mode())
1567
 
 
1568
 
    def supports_content_filtering(self):
1569
 
        return True
1570
 
 
1571
 
    def supports_views(self):
1572
 
        return True
1573
 
 
1574
 
 
1575
1392
class DirStateRevisionTree(Tree):
1576
 
    """A revision tree pulling the inventory from a dirstate.
1577
 
    
1578
 
    Note that this is one of the historical (ie revision) trees cached in the
1579
 
    dirstate for easy access, not the workingtree.
1580
 
    """
 
1393
    """A revision tree pulling the inventory from a dirstate."""
1581
1394
 
1582
1395
    def __init__(self, dirstate, revision_id, repository):
1583
1396
        self._dirstate = dirstate
1586
1399
        self._inventory = None
1587
1400
        self._locked = 0
1588
1401
        self._dirstate_locked = False
1589
 
        self._repo_supports_tree_reference = getattr(
1590
 
            repository._format, "supports_tree_reference",
1591
 
            False)
1592
1402
 
1593
1403
    def __repr__(self):
1594
1404
        return "<%s of %s in %s>" % \
1597
1407
    def annotate_iter(self, file_id,
1598
1408
                      default_revision=_mod_revision.CURRENT_REVISION):
1599
1409
        """See Tree.annotate_iter"""
1600
 
        text_key = (file_id, self.inventory[file_id].revision)
1601
 
        annotations = self._repository.texts.annotate(text_key)
1602
 
        return [(key[-1], line) for (key, line) in annotations]
 
1410
        w = self._get_weave(file_id)
 
1411
        return w.annotate(self.inventory[file_id].revision)
1603
1412
 
1604
1413
    def _get_ancestors(self, default_revision):
1605
1414
        return set(self._repository.get_ancestry(self._revision_id,
1634
1443
        path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1635
1444
        return path_utf8.decode('utf8')
1636
1445
 
1637
 
    def iter_references(self):
1638
 
        if not self._repo_supports_tree_reference:
1639
 
            # When the repo doesn't support references, we will have nothing to
1640
 
            # return
1641
 
            return iter([])
1642
 
        # Otherwise, fall back to the default implementation
1643
 
        return super(DirStateRevisionTree, self).iter_references()
1644
 
 
1645
1446
    def _get_parent_index(self):
1646
1447
        """Return the index in the dirstate referenced by this tree."""
1647
1448
        return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1652
1453
        If either file_id or path is supplied, it is used as the key to lookup.
1653
1454
        If both are supplied, the fastest lookup is used, and an error is
1654
1455
        raised if they do not both point at the same row.
1655
 
 
 
1456
        
1656
1457
        :param file_id: An optional unicode file_id to be looked up.
1657
1458
        :param path: An optional unicode path to be looked up.
1658
1459
        :return: The dirstate row tuple for path/file_id, or (None, None)
1755
1556
            return None
1756
1557
        parent_index = self._get_parent_index()
1757
1558
        last_changed_revision = entry[1][parent_index][4]
1758
 
        try:
1759
 
            rev = self._repository.get_revision(last_changed_revision)
1760
 
        except errors.NoSuchRevision:
1761
 
            raise errors.FileTimestampUnavailable(self.id2path(file_id))
1762
 
        return rev.timestamp
 
1559
        return self._repository.get_revision(last_changed_revision).timestamp
1763
1560
 
1764
1561
    def get_file_sha1(self, file_id, path=None, stat_value=None):
1765
1562
        entry = self._get_entry(file_id=file_id, path=path)
1769
1566
            return parent_details[1]
1770
1567
        return None
1771
1568
 
 
1569
    def _get_weave(self, file_id):
 
1570
        return self._repository.weave_store.get_weave(file_id,
 
1571
                self._repository.get_transaction())
 
1572
 
1772
1573
    def get_file(self, file_id, path=None):
1773
1574
        return StringIO(self.get_file_text(file_id))
1774
1575
 
 
1576
    def get_file_lines(self, file_id):
 
1577
        entry = self._get_entry(file_id=file_id)[1]
 
1578
        if entry is None:
 
1579
            raise errors.NoSuchId(tree=self, file_id=file_id)
 
1580
        return self._get_weave(file_id).get_lines(entry[1][4])
 
1581
 
1775
1582
    def get_file_size(self, file_id):
1776
1583
        """See Tree.get_file_size"""
1777
1584
        return self.inventory[file_id].text_size
1778
1585
 
1779
 
    def get_file_text(self, file_id, path=None):
1780
 
        _, content = list(self.iter_files_bytes([(file_id, None)]))[0]
1781
 
        return ''.join(content)
 
1586
    def get_file_text(self, file_id):
 
1587
        return ''.join(self.get_file_lines(file_id))
1782
1588
 
1783
1589
    def get_reference_revision(self, file_id, path=None):
1784
1590
        return self.inventory[file_id].reference_revision
1803
1609
        if entry[1][parent_index][0] != 'l':
1804
1610
            return None
1805
1611
        else:
1806
 
            target = entry[1][parent_index][1]
1807
 
            target = target.decode('utf8')
1808
 
            return target
 
1612
            # At present, none of the tree implementations supports non-ascii
 
1613
            # symlink targets. So we will just assume that the dirstate path is
 
1614
            # correct.
 
1615
            return entry[1][parent_index][1]
1809
1616
 
1810
1617
    def get_revision_id(self):
1811
1618
        """Return the revision id for this tree."""
1832
1639
        entry = self._get_entry(file_id=file_id)[1]
1833
1640
        if entry is None:
1834
1641
            raise errors.NoSuchId(tree=self, file_id=file_id)
1835
 
        parent_index = self._get_parent_index()
1836
 
        return dirstate.DirState._minikind_to_kind[entry[parent_index][0]]
 
1642
        return dirstate.DirState._minikind_to_kind[entry[1][0]]
1837
1643
 
1838
1644
    def stored_kind(self, file_id):
1839
1645
        """See Tree.stored_kind"""
1859
1665
            return None
1860
1666
        return ie.executable
1861
1667
 
1862
 
    def list_files(self, include_root=False, from_dir=None, recursive=True):
 
1668
    def list_files(self, include_root=False):
1863
1669
        # We use a standard implementation, because DirStateRevisionTree is
1864
1670
        # dealing with one of the parents of the current state
1865
1671
        inv = self._get_inventory()
1866
 
        if from_dir is None:
1867
 
            from_dir_id = None
1868
 
        else:
1869
 
            from_dir_id = inv.path2id(from_dir)
1870
 
            if from_dir_id is None:
1871
 
                # Directory not versioned
1872
 
                return
1873
 
        entries = inv.iter_entries(from_dir=from_dir_id, recursive=recursive)
1874
 
        if inv.root is not None and not include_root and from_dir is None:
 
1672
        entries = inv.iter_entries()
 
1673
        if self.inventory.root is not None and not include_root:
1875
1674
            entries.next()
1876
1675
        for path, entry in entries:
1877
1676
            yield path, 'V', entry.kind, entry.file_id, entry
1910
1709
                self._dirstate_locked = False
1911
1710
            self._repository.unlock()
1912
1711
 
1913
 
    @needs_read_lock
1914
 
    def supports_tree_reference(self):
1915
 
        return self._repo_supports_tree_reference
1916
 
 
1917
1712
    def walkdirs(self, prefix=""):
1918
1713
        # TODO: jam 20070215 This is the lazy way by using the RevisionTree
1919
 
        # implementation based on an inventory.
 
1714
        # implementation based on an inventory.  
1920
1715
        # This should be cleaned up to use the much faster Dirstate code
1921
1716
        # So for now, we just build up the parent inventory, and extract
1922
1717
        # it the same way RevisionTree does.
1951
1746
 
1952
1747
class InterDirStateTree(InterTree):
1953
1748
    """Fast path optimiser for changes_from with dirstate trees.
1954
 
 
1955
 
    This is used only when both trees are in the dirstate working file, and
1956
 
    the source is any parent within the dirstate, and the destination is
 
1749
    
 
1750
    This is used only when both trees are in the dirstate working file, and 
 
1751
    the source is any parent within the dirstate, and the destination is 
1957
1752
    the current working tree of the same dirstate.
1958
1753
    """
1959
1754
    # this could be generalized to allow comparisons between any trees in the
1972
1767
        target.set_parent_ids([revid])
1973
1768
        return target.basis_tree(), target
1974
1769
 
1975
 
    @classmethod
1976
 
    def make_source_parent_tree_python_dirstate(klass, test_case, source, target):
1977
 
        result = klass.make_source_parent_tree(source, target)
1978
 
        result[1]._iter_changes = dirstate.ProcessEntryPython
1979
 
        return result
1980
 
 
1981
 
    @classmethod
1982
 
    def make_source_parent_tree_compiled_dirstate(klass, test_case, source,
1983
 
                                                  target):
1984
 
        from bzrlib.tests.test__dirstate_helpers import \
1985
 
            compiled_dirstate_helpers_feature
1986
 
        test_case.requireFeature(compiled_dirstate_helpers_feature)
1987
 
        from bzrlib._dirstate_helpers_pyx import ProcessEntryC
1988
 
        result = klass.make_source_parent_tree(source, target)
1989
 
        result[1]._iter_changes = ProcessEntryC
1990
 
        return result
1991
 
 
1992
1770
    _matching_from_tree_format = WorkingTreeFormat4()
1993
1771
    _matching_to_tree_format = WorkingTreeFormat4()
1994
 
 
1995
 
    @classmethod
1996
 
    def _test_mutable_trees_to_test_trees(klass, test_case, source, target):
1997
 
        # This method shouldn't be called, because we have python and C
1998
 
        # specific flavours.
1999
 
        raise NotImplementedError
 
1772
    _test_mutable_trees_to_test_trees = make_source_parent_tree
2000
1773
 
2001
1774
    def iter_changes(self, include_unchanged=False,
2002
1775
                      specific_files=None, pb=None, extra_trees=[],
2020
1793
            output. An unversioned file is defined as one with (False, False)
2021
1794
            for the versioned pair.
2022
1795
        """
 
1796
        utf8_decode = cache_utf8._utf8_decode
 
1797
        _minikind_to_kind = dirstate.DirState._minikind_to_kind
 
1798
        cmp_by_dirs = dirstate.cmp_by_dirs
 
1799
        # NB: show_status depends on being able to pass in non-versioned files
 
1800
        # and report them as unknown
2023
1801
        # TODO: handle extra trees in the dirstate.
2024
1802
        if (extra_trees or specific_files == []):
2025
1803
            # we can't fast-path these cases (yet)
2026
 
            return super(InterDirStateTree, self).iter_changes(
 
1804
            for f in super(InterDirStateTree, self).iter_changes(
2027
1805
                include_unchanged, specific_files, pb, extra_trees,
2028
 
                require_versioned, want_unversioned=want_unversioned)
 
1806
                require_versioned, want_unversioned=want_unversioned):
 
1807
                yield f
 
1808
            return
2029
1809
        parent_ids = self.target.get_parent_ids()
2030
1810
        if not (self.source._revision_id in parent_ids
2031
 
                or self.source._revision_id == _mod_revision.NULL_REVISION):
 
1811
                or self.source._revision_id == NULL_REVISION):
2032
1812
            raise AssertionError(
2033
1813
                "revision {%s} is not stored in {%s}, but %s "
2034
1814
                "can only be used for trees stored in the dirstate"
2035
1815
                % (self.source._revision_id, self.target, self.iter_changes))
2036
1816
        target_index = 0
2037
 
        if self.source._revision_id == _mod_revision.NULL_REVISION:
 
1817
        if self.source._revision_id == NULL_REVISION:
2038
1818
            source_index = None
2039
1819
            indices = (target_index,)
2040
1820
        else:
2048
1828
        if specific_files:
2049
1829
            specific_files_utf8 = set()
2050
1830
            for path in specific_files:
2051
 
                # Note, if there are many specific files, using cache_utf8
2052
 
                # would be good here.
2053
1831
                specific_files_utf8.add(path.encode('utf8'))
2054
1832
            specific_files = specific_files_utf8
2055
1833
        else:
2056
1834
            specific_files = set([''])
2057
1835
        # -- specific_files is now a utf8 path set --
2058
 
 
2059
1836
        # -- get the state object and prepare it.
2060
1837
        state = self.target.current_dirstate()
2061
1838
        state._read_dirblocks_if_needed()
 
1839
        def _entries_for_path(path):
 
1840
            """Return a list with all the entries that match path for all ids.
 
1841
            """
 
1842
            dirname, basename = os.path.split(path)
 
1843
            key = (dirname, basename, '')
 
1844
            block_index, present = state._find_block_index_from_key(key)
 
1845
            if not present:
 
1846
                # the block which should contain path is absent.
 
1847
                return []
 
1848
            result = []
 
1849
            block = state._dirblocks[block_index][1]
 
1850
            entry_index, _ = state._find_entry_index(key, block)
 
1851
            # we may need to look at multiple entries at this path: walk while the specific_files match.
 
1852
            while (entry_index < len(block) and
 
1853
                block[entry_index][0][0:2] == key[0:2]):
 
1854
                result.append(block[entry_index])
 
1855
                entry_index += 1
 
1856
            return result
2062
1857
        if require_versioned:
2063
1858
            # -- check all supplied paths are versioned in a search tree. --
2064
 
            not_versioned = []
 
1859
            all_versioned = True
2065
1860
            for path in specific_files:
2066
 
                path_entries = state._entries_for_path(path)
 
1861
                path_entries = _entries_for_path(path)
2067
1862
                if not path_entries:
2068
1863
                    # this specified path is not present at all: error
2069
 
                    not_versioned.append(path)
2070
 
                    continue
 
1864
                    all_versioned = False
 
1865
                    break
2071
1866
                found_versioned = False
2072
1867
                # for each id at this path
2073
1868
                for entry in path_entries:
2080
1875
                if not found_versioned:
2081
1876
                    # none of the indexes was not 'absent' at all ids for this
2082
1877
                    # path.
2083
 
                    not_versioned.append(path)
2084
 
            if len(not_versioned) > 0:
2085
 
                raise errors.PathsNotVersionedError(not_versioned)
 
1878
                    all_versioned = False
 
1879
                    break
 
1880
            if not all_versioned:
 
1881
                raise errors.PathsNotVersionedError(specific_files)
2086
1882
        # -- remove redundancy in supplied specific_files to prevent over-scanning --
2087
 
        search_specific_files = osutils.minimum_path_selection(specific_files)
 
1883
        search_specific_files = set()
 
1884
        for path in specific_files:
 
1885
            other_specific_files = specific_files.difference(set([path]))
 
1886
            if not osutils.is_inside_any(other_specific_files, path):
 
1887
                # this is a top level path, we must check it.
 
1888
                search_specific_files.add(path)
 
1889
        # sketch: 
 
1890
        # compare source_index and target_index at or under each element of search_specific_files.
 
1891
        # follow the following comparison table. Note that we only want to do diff operations when
 
1892
        # the target is fdl because thats when the walkdirs logic will have exposed the pathinfo 
 
1893
        # for the target.
 
1894
        # cases:
 
1895
        # 
 
1896
        # Source | Target | disk | action
 
1897
        #   r    | fdlt   |      | add source to search, add id path move and perform
 
1898
        #        |        |      | diff check on source-target
 
1899
        #   r    | fdlt   |  a   | dangling file that was present in the basis. 
 
1900
        #        |        |      | ???
 
1901
        #   r    |  a     |      | add source to search
 
1902
        #   r    |  a     |  a   | 
 
1903
        #   r    |  r     |      | this path is present in a non-examined tree, skip.
 
1904
        #   r    |  r     |  a   | this path is present in a non-examined tree, skip.
 
1905
        #   a    | fdlt   |      | add new id
 
1906
        #   a    | fdlt   |  a   | dangling locally added file, skip
 
1907
        #   a    |  a     |      | not present in either tree, skip
 
1908
        #   a    |  a     |  a   | not present in any tree, skip
 
1909
        #   a    |  r     |      | not present in either tree at this path, skip as it
 
1910
        #        |        |      | may not be selected by the users list of paths.
 
1911
        #   a    |  r     |  a   | not present in either tree at this path, skip as it
 
1912
        #        |        |      | may not be selected by the users list of paths.
 
1913
        #  fdlt  | fdlt   |      | content in both: diff them
 
1914
        #  fdlt  | fdlt   |  a   | deleted locally, but not unversioned - show as deleted ?
 
1915
        #  fdlt  |  a     |      | unversioned: output deleted id for now
 
1916
        #  fdlt  |  a     |  a   | unversioned and deleted: output deleted id
 
1917
        #  fdlt  |  r     |      | relocated in this tree, so add target to search.
 
1918
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1919
        #        |        |      | this id at the other path.
 
1920
        #  fdlt  |  r     |  a   | relocated in this tree, so add target to search.
 
1921
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1922
        #        |        |      | this id at the other path.
 
1923
 
 
1924
        # for all search_indexs in each path at or under each element of
 
1925
        # search_specific_files, if the detail is relocated: add the id, and add the
 
1926
        # relocated path as one to search if its not searched already. If the
 
1927
        # detail is not relocated, add the id.
 
1928
        searched_specific_files = set()
 
1929
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1930
        # Using a list so that we can access the values and change them in
 
1931
        # nested scope. Each one is [path, file_id, entry]
 
1932
        last_source_parent = [None, None]
 
1933
        last_target_parent = [None, None]
2088
1934
 
2089
1935
        use_filesystem_for_exec = (sys.platform != 'win32')
2090
 
        iter_changes = self.target._iter_changes(include_unchanged,
2091
 
            use_filesystem_for_exec, search_specific_files, state,
2092
 
            source_index, target_index, want_unversioned, self.target)
2093
 
        return iter_changes.iter_changes()
 
1936
 
 
1937
        # Just a sentry, so that _process_entry can say that this
 
1938
        # record is handled, but isn't interesting to process (unchanged)
 
1939
        uninteresting = object()
 
1940
 
 
1941
 
 
1942
        old_dirname_to_file_id = {}
 
1943
        new_dirname_to_file_id = {}
 
1944
        # TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
 
1945
        #       keeping a cache of directories that we have seen.
 
1946
 
 
1947
        def _process_entry(entry, path_info):
 
1948
            """Compare an entry and real disk to generate delta information.
 
1949
 
 
1950
            :param path_info: top_relpath, basename, kind, lstat, abspath for
 
1951
                the path of entry. If None, then the path is considered absent.
 
1952
                (Perhaps we should pass in a concrete entry for this ?)
 
1953
                Basename is returned as a utf8 string because we expect this
 
1954
                tuple will be ignored, and don't want to take the time to
 
1955
                decode.
 
1956
            :return: None if these don't match
 
1957
                     A tuple of information about the change, or
 
1958
                     the object 'uninteresting' if these match, but are
 
1959
                     basically identical.
 
1960
            """
 
1961
            if source_index is None:
 
1962
                source_details = NULL_PARENT_DETAILS
 
1963
            else:
 
1964
                source_details = entry[1][source_index]
 
1965
            target_details = entry[1][target_index]
 
1966
            target_minikind = target_details[0]
 
1967
            if path_info is not None and target_minikind in 'fdlt':
 
1968
                if not (target_index == 0):
 
1969
                    raise AssertionError()
 
1970
                link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
 
1971
                                                  stat_value=path_info[3])
 
1972
                # The entry may have been modified by update_entry
 
1973
                target_details = entry[1][target_index]
 
1974
                target_minikind = target_details[0]
 
1975
            else:
 
1976
                link_or_sha1 = None
 
1977
            file_id = entry[0][2]
 
1978
            source_minikind = source_details[0]
 
1979
            if source_minikind in 'fdltr' and target_minikind in 'fdlt':
 
1980
                # claimed content in both: diff
 
1981
                #   r    | fdlt   |      | add source to search, add id path move and perform
 
1982
                #        |        |      | diff check on source-target
 
1983
                #   r    | fdlt   |  a   | dangling file that was present in the basis.
 
1984
                #        |        |      | ???
 
1985
                if source_minikind in 'r':
 
1986
                    # add the source to the search path to find any children it
 
1987
                    # has.  TODO ? : only add if it is a container ?
 
1988
                    if not osutils.is_inside_any(searched_specific_files,
 
1989
                                                 source_details[1]):
 
1990
                        search_specific_files.add(source_details[1])
 
1991
                    # generate the old path; this is needed for stating later
 
1992
                    # as well.
 
1993
                    old_path = source_details[1]
 
1994
                    old_dirname, old_basename = os.path.split(old_path)
 
1995
                    path = pathjoin(entry[0][0], entry[0][1])
 
1996
                    old_entry = state._get_entry(source_index,
 
1997
                                                 path_utf8=old_path)
 
1998
                    # update the source details variable to be the real
 
1999
                    # location.
 
2000
                    if old_entry == (None, None):
 
2001
                        raise errors.CorruptDirstate(state._filename,
 
2002
                            "entry '%s/%s' is considered renamed from %r"
 
2003
                            " but source does not exist\n"
 
2004
                            "entry: %s" % (entry[0][0], entry[0][1], old_path, entry))
 
2005
                    source_details = old_entry[1][source_index]
 
2006
                    source_minikind = source_details[0]
 
2007
                else:
 
2008
                    old_dirname = entry[0][0]
 
2009
                    old_basename = entry[0][1]
 
2010
                    old_path = path = None
 
2011
                if path_info is None:
 
2012
                    # the file is missing on disk, show as removed.
 
2013
                    content_change = True
 
2014
                    target_kind = None
 
2015
                    target_exec = False
 
2016
                else:
 
2017
                    # source and target are both versioned and disk file is present.
 
2018
                    target_kind = path_info[2]
 
2019
                    if target_kind == 'directory':
 
2020
                        if path is None:
 
2021
                            old_path = path = pathjoin(old_dirname, old_basename)
 
2022
                        new_dirname_to_file_id[path] = file_id
 
2023
                        if source_minikind != 'd':
 
2024
                            content_change = True
 
2025
                        else:
 
2026
                            # directories have no fingerprint
 
2027
                            content_change = False
 
2028
                        target_exec = False
 
2029
                    elif target_kind == 'file':
 
2030
                        if source_minikind != 'f':
 
2031
                            content_change = True
 
2032
                        else:
 
2033
                            # We could check the size, but we already have the
 
2034
                            # sha1 hash.
 
2035
                            content_change = (link_or_sha1 != source_details[1])
 
2036
                        # Target details is updated at update_entry time
 
2037
                        if use_filesystem_for_exec:
 
2038
                            # We don't need S_ISREG here, because we are sure
 
2039
                            # we are dealing with a file.
 
2040
                            target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
 
2041
                        else:
 
2042
                            target_exec = target_details[3]
 
2043
                    elif target_kind == 'symlink':
 
2044
                        if source_minikind != 'l':
 
2045
                            content_change = True
 
2046
                        else:
 
2047
                            content_change = (link_or_sha1 != source_details[1])
 
2048
                        target_exec = False
 
2049
                    elif target_kind == 'tree-reference':
 
2050
                        if source_minikind != 't':
 
2051
                            content_change = True
 
2052
                        else:
 
2053
                            content_change = False
 
2054
                        target_exec = False
 
2055
                    else:
 
2056
                        raise Exception, "unknown kind %s" % path_info[2]
 
2057
                if source_minikind == 'd':
 
2058
                    if path is None:
 
2059
                        old_path = path = pathjoin(old_dirname, old_basename)
 
2060
                    old_dirname_to_file_id[old_path] = file_id
 
2061
                # parent id is the entry for the path in the target tree
 
2062
                if old_dirname == last_source_parent[0]:
 
2063
                    source_parent_id = last_source_parent[1]
 
2064
                else:
 
2065
                    try:
 
2066
                        source_parent_id = old_dirname_to_file_id[old_dirname]
 
2067
                    except KeyError:
 
2068
                        source_parent_entry = state._get_entry(source_index,
 
2069
                                                               path_utf8=old_dirname)
 
2070
                        source_parent_id = source_parent_entry[0][2]
 
2071
                    if source_parent_id == entry[0][2]:
 
2072
                        # This is the root, so the parent is None
 
2073
                        source_parent_id = None
 
2074
                    else:
 
2075
                        last_source_parent[0] = old_dirname
 
2076
                        last_source_parent[1] = source_parent_id
 
2077
                new_dirname = entry[0][0]
 
2078
                if new_dirname == last_target_parent[0]:
 
2079
                    target_parent_id = last_target_parent[1]
 
2080
                else:
 
2081
                    try:
 
2082
                        target_parent_id = new_dirname_to_file_id[new_dirname]
 
2083
                    except KeyError:
 
2084
                        # TODO: We don't always need to do the lookup, because the
 
2085
                        #       parent entry will be the same as the source entry.
 
2086
                        target_parent_entry = state._get_entry(target_index,
 
2087
                                                               path_utf8=new_dirname)
 
2088
                        if target_parent_entry == (None, None):
 
2089
                            raise AssertionError(
 
2090
                                "Could not find target parent in wt: %s\nparent of: %s"
 
2091
                                % (new_dirname, entry))
 
2092
                        target_parent_id = target_parent_entry[0][2]
 
2093
                    if target_parent_id == entry[0][2]:
 
2094
                        # This is the root, so the parent is None
 
2095
                        target_parent_id = None
 
2096
                    else:
 
2097
                        last_target_parent[0] = new_dirname
 
2098
                        last_target_parent[1] = target_parent_id
 
2099
 
 
2100
                source_exec = source_details[3]
 
2101
                if (include_unchanged
 
2102
                    or content_change
 
2103
                    or source_parent_id != target_parent_id
 
2104
                    or old_basename != entry[0][1]
 
2105
                    or source_exec != target_exec
 
2106
                    ):
 
2107
                    if old_path is None:
 
2108
                        old_path = path = pathjoin(old_dirname, old_basename)
 
2109
                        old_path_u = utf8_decode(old_path)[0]
 
2110
                        path_u = old_path_u
 
2111
                    else:
 
2112
                        old_path_u = utf8_decode(old_path)[0]
 
2113
                        if old_path == path:
 
2114
                            path_u = old_path_u
 
2115
                        else:
 
2116
                            path_u = utf8_decode(path)[0]
 
2117
                    source_kind = _minikind_to_kind[source_minikind]
 
2118
                    return (entry[0][2],
 
2119
                           (old_path_u, path_u),
 
2120
                           content_change,
 
2121
                           (True, True),
 
2122
                           (source_parent_id, target_parent_id),
 
2123
                           (utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
 
2124
                           (source_kind, target_kind),
 
2125
                           (source_exec, target_exec))
 
2126
                else:
 
2127
                    return uninteresting
 
2128
            elif source_minikind in 'a' and target_minikind in 'fdlt':
 
2129
                # looks like a new file
 
2130
                if path_info is not None:
 
2131
                    path = pathjoin(entry[0][0], entry[0][1])
 
2132
                    # parent id is the entry for the path in the target tree
 
2133
                    # TODO: these are the same for an entire directory: cache em.
 
2134
                    parent_id = state._get_entry(target_index,
 
2135
                                                 path_utf8=entry[0][0])[0][2]
 
2136
                    if parent_id == entry[0][2]:
 
2137
                        parent_id = None
 
2138
                    if use_filesystem_for_exec:
 
2139
                        # We need S_ISREG here, because we aren't sure if this
 
2140
                        # is a file or not.
 
2141
                        target_exec = bool(
 
2142
                            stat.S_ISREG(path_info[3].st_mode)
 
2143
                            and stat.S_IEXEC & path_info[3].st_mode)
 
2144
                    else:
 
2145
                        target_exec = target_details[3]
 
2146
                    return (entry[0][2],
 
2147
                           (None, utf8_decode(path)[0]),
 
2148
                           True,
 
2149
                           (False, True),
 
2150
                           (None, parent_id),
 
2151
                           (None, utf8_decode(entry[0][1])[0]),
 
2152
                           (None, path_info[2]),
 
2153
                           (None, target_exec))
 
2154
                else:
 
2155
                    # but its not on disk: we deliberately treat this as just
 
2156
                    # never-present. (Why ?! - RBC 20070224)
 
2157
                    pass
 
2158
            elif source_minikind in 'fdlt' and target_minikind in 'a':
 
2159
                # unversioned, possibly, or possibly not deleted: we dont care.
 
2160
                # if its still on disk, *and* theres no other entry at this
 
2161
                # path [we dont know this in this routine at the moment -
 
2162
                # perhaps we should change this - then it would be an unknown.
 
2163
                old_path = pathjoin(entry[0][0], entry[0][1])
 
2164
                # parent id is the entry for the path in the target tree
 
2165
                parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
 
2166
                if parent_id == entry[0][2]:
 
2167
                    parent_id = None
 
2168
                return (entry[0][2],
 
2169
                       (utf8_decode(old_path)[0], None),
 
2170
                       True,
 
2171
                       (True, False),
 
2172
                       (parent_id, None),
 
2173
                       (utf8_decode(entry[0][1])[0], None),
 
2174
                       (_minikind_to_kind[source_minikind], None),
 
2175
                       (source_details[3], None))
 
2176
            elif source_minikind in 'fdlt' and target_minikind in 'r':
 
2177
                # a rename; could be a true rename, or a rename inherited from
 
2178
                # a renamed parent. TODO: handle this efficiently. Its not
 
2179
                # common case to rename dirs though, so a correct but slow
 
2180
                # implementation will do.
 
2181
                if not osutils.is_inside_any(searched_specific_files, target_details[1]):
 
2182
                    search_specific_files.add(target_details[1])
 
2183
            elif source_minikind in 'ra' and target_minikind in 'ra':
 
2184
                # neither of the selected trees contain this file,
 
2185
                # so skip over it. This is not currently directly tested, but
 
2186
                # is indirectly via test_too_much.TestCommands.test_conflicts.
 
2187
                pass
 
2188
            else:
 
2189
                raise AssertionError("don't know how to compare "
 
2190
                    "source_minikind=%r, target_minikind=%r"
 
2191
                    % (source_minikind, target_minikind))
 
2192
                ## import pdb;pdb.set_trace()
 
2193
            return None
 
2194
 
 
2195
        while search_specific_files:
 
2196
            # TODO: the pending list should be lexically sorted?  the
 
2197
            # interface doesn't require it.
 
2198
            current_root = search_specific_files.pop()
 
2199
            current_root_unicode = current_root.decode('utf8')
 
2200
            searched_specific_files.add(current_root)
 
2201
            # process the entries for this containing directory: the rest will be
 
2202
            # found by their parents recursively.
 
2203
            root_entries = _entries_for_path(current_root)
 
2204
            root_abspath = self.target.abspath(current_root_unicode)
 
2205
            try:
 
2206
                root_stat = os.lstat(root_abspath)
 
2207
            except OSError, e:
 
2208
                if e.errno == errno.ENOENT:
 
2209
                    # the path does not exist: let _process_entry know that.
 
2210
                    root_dir_info = None
 
2211
                else:
 
2212
                    # some other random error: hand it up.
 
2213
                    raise
 
2214
            else:
 
2215
                root_dir_info = ('', current_root,
 
2216
                    osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
 
2217
                    root_abspath)
 
2218
                if root_dir_info[2] == 'directory':
 
2219
                    if self.target._directory_is_tree_reference(
 
2220
                        current_root.decode('utf8')):
 
2221
                        root_dir_info = root_dir_info[:2] + \
 
2222
                            ('tree-reference',) + root_dir_info[3:]
 
2223
 
 
2224
            if not root_entries and not root_dir_info:
 
2225
                # this specified path is not present at all, skip it.
 
2226
                continue
 
2227
            path_handled = False
 
2228
            for entry in root_entries:
 
2229
                result = _process_entry(entry, root_dir_info)
 
2230
                if result is not None:
 
2231
                    path_handled = True
 
2232
                    if result is not uninteresting:
 
2233
                        yield result
 
2234
            if want_unversioned and not path_handled and root_dir_info:
 
2235
                new_executable = bool(
 
2236
                    stat.S_ISREG(root_dir_info[3].st_mode)
 
2237
                    and stat.S_IEXEC & root_dir_info[3].st_mode)
 
2238
                yield (None,
 
2239
                       (None, current_root_unicode),
 
2240
                       True,
 
2241
                       (False, False),
 
2242
                       (None, None),
 
2243
                       (None, splitpath(current_root_unicode)[-1]),
 
2244
                       (None, root_dir_info[2]),
 
2245
                       (None, new_executable)
 
2246
                      )
 
2247
            initial_key = (current_root, '', '')
 
2248
            block_index, _ = state._find_block_index_from_key(initial_key)
 
2249
            if block_index == 0:
 
2250
                # we have processed the total root already, but because the
 
2251
                # initial key matched it we should skip it here.
 
2252
                block_index +=1
 
2253
            if root_dir_info and root_dir_info[2] == 'tree-reference':
 
2254
                current_dir_info = None
 
2255
            else:
 
2256
                dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
 
2257
                try:
 
2258
                    current_dir_info = dir_iterator.next()
 
2259
                except OSError, e:
 
2260
                    # on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
 
2261
                    # python 2.5 has e.errno == EINVAL,
 
2262
                    #            and e.winerror == ERROR_DIRECTORY
 
2263
                    e_winerror = getattr(e, 'winerror', None)
 
2264
                    win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
 
2265
                    # there may be directories in the inventory even though
 
2266
                    # this path is not a file on disk: so mark it as end of
 
2267
                    # iterator
 
2268
                    if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
 
2269
                        current_dir_info = None
 
2270
                    elif (sys.platform == 'win32'
 
2271
                          and (e.errno in win_errors
 
2272
                               or e_winerror in win_errors)):
 
2273
                        current_dir_info = None
 
2274
                    else:
 
2275
                        raise
 
2276
                else:
 
2277
                    if current_dir_info[0][0] == '':
 
2278
                        # remove .bzr from iteration
 
2279
                        bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
 
2280
                        if current_dir_info[1][bzr_index][0] != '.bzr':
 
2281
                            raise AssertionError()
 
2282
                        del current_dir_info[1][bzr_index]
 
2283
            # walk until both the directory listing and the versioned metadata
 
2284
            # are exhausted. 
 
2285
            if (block_index < len(state._dirblocks) and
 
2286
                osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2287
                current_block = state._dirblocks[block_index]
 
2288
            else:
 
2289
                current_block = None
 
2290
            while (current_dir_info is not None or
 
2291
                   current_block is not None):
 
2292
                if (current_dir_info and current_block
 
2293
                    and current_dir_info[0][0] != current_block[0]):
 
2294
                    if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
 
2295
                        # filesystem data refers to paths not covered by the dirblock.
 
2296
                        # this has two possibilities:
 
2297
                        # A) it is versioned but empty, so there is no block for it
 
2298
                        # B) it is not versioned.
 
2299
 
 
2300
                        # if (A) then we need to recurse into it to check for
 
2301
                        # new unknown files or directories.
 
2302
                        # if (B) then we should ignore it, because we don't
 
2303
                        # recurse into unknown directories.
 
2304
                        path_index = 0
 
2305
                        while path_index < len(current_dir_info[1]):
 
2306
                                current_path_info = current_dir_info[1][path_index]
 
2307
                                if want_unversioned:
 
2308
                                    if current_path_info[2] == 'directory':
 
2309
                                        if self.target._directory_is_tree_reference(
 
2310
                                            current_path_info[0].decode('utf8')):
 
2311
                                            current_path_info = current_path_info[:2] + \
 
2312
                                                ('tree-reference',) + current_path_info[3:]
 
2313
                                    new_executable = bool(
 
2314
                                        stat.S_ISREG(current_path_info[3].st_mode)
 
2315
                                        and stat.S_IEXEC & current_path_info[3].st_mode)
 
2316
                                    yield (None,
 
2317
                                        (None, utf8_decode(current_path_info[0])[0]),
 
2318
                                        True,
 
2319
                                        (False, False),
 
2320
                                        (None, None),
 
2321
                                        (None, utf8_decode(current_path_info[1])[0]),
 
2322
                                        (None, current_path_info[2]),
 
2323
                                        (None, new_executable))
 
2324
                                # dont descend into this unversioned path if it is
 
2325
                                # a dir
 
2326
                                if current_path_info[2] in ('directory',
 
2327
                                                            'tree-reference'):
 
2328
                                    del current_dir_info[1][path_index]
 
2329
                                    path_index -= 1
 
2330
                                path_index += 1
 
2331
 
 
2332
                        # This dir info has been handled, go to the next
 
2333
                        try:
 
2334
                            current_dir_info = dir_iterator.next()
 
2335
                        except StopIteration:
 
2336
                            current_dir_info = None
 
2337
                    else:
 
2338
                        # We have a dirblock entry for this location, but there
 
2339
                        # is no filesystem path for this. This is most likely
 
2340
                        # because a directory was removed from the disk.
 
2341
                        # We don't have to report the missing directory,
 
2342
                        # because that should have already been handled, but we
 
2343
                        # need to handle all of the files that are contained
 
2344
                        # within.
 
2345
                        for current_entry in current_block[1]:
 
2346
                            # entry referring to file not present on disk.
 
2347
                            # advance the entry only, after processing.
 
2348
                            result = _process_entry(current_entry, None)
 
2349
                            if result is not None:
 
2350
                                if result is not uninteresting:
 
2351
                                    yield result
 
2352
                        block_index +=1
 
2353
                        if (block_index < len(state._dirblocks) and
 
2354
                            osutils.is_inside(current_root,
 
2355
                                              state._dirblocks[block_index][0])):
 
2356
                            current_block = state._dirblocks[block_index]
 
2357
                        else:
 
2358
                            current_block = None
 
2359
                    continue
 
2360
                entry_index = 0
 
2361
                if current_block and entry_index < len(current_block[1]):
 
2362
                    current_entry = current_block[1][entry_index]
 
2363
                else:
 
2364
                    current_entry = None
 
2365
                advance_entry = True
 
2366
                path_index = 0
 
2367
                if current_dir_info and path_index < len(current_dir_info[1]):
 
2368
                    current_path_info = current_dir_info[1][path_index]
 
2369
                    if current_path_info[2] == 'directory':
 
2370
                        if self.target._directory_is_tree_reference(
 
2371
                            current_path_info[0].decode('utf8')):
 
2372
                            current_path_info = current_path_info[:2] + \
 
2373
                                ('tree-reference',) + current_path_info[3:]
 
2374
                else:
 
2375
                    current_path_info = None
 
2376
                advance_path = True
 
2377
                path_handled = False
 
2378
                while (current_entry is not None or
 
2379
                    current_path_info is not None):
 
2380
                    if current_entry is None:
 
2381
                        # the check for path_handled when the path is adnvaced
 
2382
                        # will yield this path if needed.
 
2383
                        pass
 
2384
                    elif current_path_info is None:
 
2385
                        # no path is fine: the per entry code will handle it.
 
2386
                        result = _process_entry(current_entry, current_path_info)
 
2387
                        if result is not None:
 
2388
                            if result is not uninteresting:
 
2389
                                yield result
 
2390
                    elif (current_entry[0][1] != current_path_info[1]
 
2391
                          or current_entry[1][target_index][0] in 'ar'):
 
2392
                        # The current path on disk doesn't match the dirblock
 
2393
                        # record. Either the dirblock is marked as absent, or
 
2394
                        # the file on disk is not present at all in the
 
2395
                        # dirblock. Either way, report about the dirblock
 
2396
                        # entry, and let other code handle the filesystem one.
 
2397
 
 
2398
                        # Compare the basename for these files to determine
 
2399
                        # which comes first
 
2400
                        if current_path_info[1] < current_entry[0][1]:
 
2401
                            # extra file on disk: pass for now, but only
 
2402
                            # increment the path, not the entry
 
2403
                            advance_entry = False
 
2404
                        else:
 
2405
                            # entry referring to file not present on disk.
 
2406
                            # advance the entry only, after processing.
 
2407
                            result = _process_entry(current_entry, None)
 
2408
                            if result is not None:
 
2409
                                if result is not uninteresting:
 
2410
                                    yield result
 
2411
                            advance_path = False
 
2412
                    else:
 
2413
                        result = _process_entry(current_entry, current_path_info)
 
2414
                        if result is not None:
 
2415
                            path_handled = True
 
2416
                            if result is not uninteresting:
 
2417
                                yield result
 
2418
                    if advance_entry and current_entry is not None:
 
2419
                        entry_index += 1
 
2420
                        if entry_index < len(current_block[1]):
 
2421
                            current_entry = current_block[1][entry_index]
 
2422
                        else:
 
2423
                            current_entry = None
 
2424
                    else:
 
2425
                        advance_entry = True # reset the advance flaga
 
2426
                    if advance_path and current_path_info is not None:
 
2427
                        if not path_handled:
 
2428
                            # unversioned in all regards
 
2429
                            if want_unversioned:
 
2430
                                new_executable = bool(
 
2431
                                    stat.S_ISREG(current_path_info[3].st_mode)
 
2432
                                    and stat.S_IEXEC & current_path_info[3].st_mode)
 
2433
                                yield (None,
 
2434
                                    (None, utf8_decode(current_path_info[0])[0]),
 
2435
                                    True,
 
2436
                                    (False, False),
 
2437
                                    (None, None),
 
2438
                                    (None, utf8_decode(current_path_info[1])[0]),
 
2439
                                    (None, current_path_info[2]),
 
2440
                                    (None, new_executable))
 
2441
                            # dont descend into this unversioned path if it is
 
2442
                            # a dir
 
2443
                            if current_path_info[2] in ('directory'):
 
2444
                                del current_dir_info[1][path_index]
 
2445
                                path_index -= 1
 
2446
                        # dont descend the disk iterator into any tree 
 
2447
                        # paths.
 
2448
                        if current_path_info[2] == 'tree-reference':
 
2449
                            del current_dir_info[1][path_index]
 
2450
                            path_index -= 1
 
2451
                        path_index += 1
 
2452
                        if path_index < len(current_dir_info[1]):
 
2453
                            current_path_info = current_dir_info[1][path_index]
 
2454
                            if current_path_info[2] == 'directory':
 
2455
                                if self.target._directory_is_tree_reference(
 
2456
                                    current_path_info[0].decode('utf8')):
 
2457
                                    current_path_info = current_path_info[:2] + \
 
2458
                                        ('tree-reference',) + current_path_info[3:]
 
2459
                        else:
 
2460
                            current_path_info = None
 
2461
                        path_handled = False
 
2462
                    else:
 
2463
                        advance_path = True # reset the advance flagg.
 
2464
                if current_block is not None:
 
2465
                    block_index += 1
 
2466
                    if (block_index < len(state._dirblocks) and
 
2467
                        osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2468
                        current_block = state._dirblocks[block_index]
 
2469
                    else:
 
2470
                        current_block = None
 
2471
                if current_dir_info is not None:
 
2472
                    try:
 
2473
                        current_dir_info = dir_iterator.next()
 
2474
                    except StopIteration:
 
2475
                        current_dir_info = None
 
2476
 
2094
2477
 
2095
2478
    @staticmethod
2096
2479
    def is_compatible(source, target):
2097
2480
        # the target must be a dirstate working tree
2098
 
        if not isinstance(target, DirStateWorkingTree):
 
2481
        if not isinstance(target, WorkingTree4):
2099
2482
            return False
2100
 
        # the source must be a revtree or dirstate rev tree.
 
2483
        # the source must be a revtreee or dirstate rev tree.
2101
2484
        if not isinstance(source,
2102
2485
            (revisiontree.RevisionTree, DirStateRevisionTree)):
2103
2486
            return False
2104
2487
        # the source revid must be in the target dirstate
2105
 
        if not (source._revision_id == _mod_revision.NULL_REVISION or
 
2488
        if not (source._revision_id == NULL_REVISION or
2106
2489
            source._revision_id in target.get_parent_ids()):
2107
 
            # TODO: what about ghosts? it may well need to
 
2490
            # TODO: what about ghosts? it may well need to 
2108
2491
            # check for them explicitly.
2109
2492
            return False
2110
2493
        return True
2120
2503
 
2121
2504
    def convert(self, tree):
2122
2505
        # lock the control files not the tree, so that we dont get tree
2123
 
        # on-unlock behaviours, and so that noone else diddles with the
 
2506
        # on-unlock behaviours, and so that noone else diddles with the 
2124
2507
        # tree during upgrade.
2125
2508
        tree._control_files.lock_write()
2126
2509
        try:
2154
2537
        """Change the format marker."""
2155
2538
        tree._transport.put_bytes('format',
2156
2539
            self.target_format.get_format_string(),
2157
 
            mode=tree.bzrdir._get_file_mode())
2158
 
 
2159
 
 
2160
 
class Converter4to5(object):
2161
 
    """Perform an in-place upgrade of format 4 to format 5 trees."""
2162
 
 
2163
 
    def __init__(self):
2164
 
        self.target_format = WorkingTreeFormat5()
2165
 
 
2166
 
    def convert(self, tree):
2167
 
        # lock the control files not the tree, so that we don't get tree
2168
 
        # on-unlock behaviours, and so that no-one else diddles with the
2169
 
        # tree during upgrade.
2170
 
        tree._control_files.lock_write()
2171
 
        try:
2172
 
            self.update_format(tree)
2173
 
        finally:
2174
 
            tree._control_files.unlock()
2175
 
 
2176
 
    def update_format(self, tree):
2177
 
        """Change the format marker."""
2178
 
        tree._transport.put_bytes('format',
2179
 
            self.target_format.get_format_string(),
2180
 
            mode=tree.bzrdir._get_file_mode())
2181
 
 
2182
 
 
2183
 
class Converter4or5to6(object):
2184
 
    """Perform an in-place upgrade of format 4 or 5 to format 6 trees."""
2185
 
 
2186
 
    def __init__(self):
2187
 
        self.target_format = WorkingTreeFormat6()
2188
 
 
2189
 
    def convert(self, tree):
2190
 
        # lock the control files not the tree, so that we don't get tree
2191
 
        # on-unlock behaviours, and so that no-one else diddles with the
2192
 
        # tree during upgrade.
2193
 
        tree._control_files.lock_write()
2194
 
        try:
2195
 
            self.init_custom_control_files(tree)
2196
 
            self.update_format(tree)
2197
 
        finally:
2198
 
            tree._control_files.unlock()
2199
 
 
2200
 
    def init_custom_control_files(self, tree):
2201
 
        """Initialize custom control files."""
2202
 
        tree._transport.put_bytes('views', '',
2203
 
            mode=tree.bzrdir._get_file_mode())
2204
 
 
2205
 
    def update_format(self, tree):
2206
 
        """Change the format marker."""
2207
 
        tree._transport.put_bytes('format',
2208
 
            self.target_format.get_format_string(),
2209
 
            mode=tree.bzrdir._get_file_mode())
 
2540
            mode=tree._control_files._file_mode)