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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-05-02 11:53:00 UTC
  • mfrom: (3400.2.1 integrate-1.3)
  • Revision ID: pqm@pqm.ubuntu.com-20080502115300-98iunzq9437108n5
(mbp) merge 1.3.1 news into trunk

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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,
83
131
        """
84
132
        self._format = _format
85
133
        self.bzrdir = _bzrdir
 
134
        assert isinstance(basedir, basestring), \
 
135
            "base directory %r is not a string" % basedir
86
136
        basedir = safe_unicode(basedir)
87
137
        mutter("opening working tree %r", basedir)
88
138
        self._branch = branch
 
139
        assert isinstance(self.branch, bzrlib.branch.Branch), \
 
140
            "branch %r is not a Branch" % self.branch
89
141
        self.basedir = realpath(basedir)
90
142
        # if branch is at our basedir and is a format 6 or less
91
143
        # assume all other formats have their own control files.
 
144
        assert isinstance(_control_files, LockableFiles), \
 
145
            "_control_files must be a LockableFiles, not %r" % _control_files
92
146
        self._control_files = _control_files
93
 
        self._transport = self._control_files._transport
94
147
        self._dirty = None
95
148
        #-------------
96
149
        # during a read or write lock these objects are set, and are
100
153
        #-------------
101
154
        self._setup_directory_is_tree_reference()
102
155
        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
156
 
108
157
    @needs_tree_write_lock
109
158
    def _add(self, files, ids, kinds):
137
186
    @needs_tree_write_lock
138
187
    def add_reference(self, sub_tree):
139
188
        # use standard implementation, which calls back to self._add
140
 
        #
 
189
        # 
141
190
        # So we don't store the reference_revision in the working dirstate,
142
 
        # it's just recorded at the moment of commit.
 
191
        # it's just recorded at the moment of commit. 
143
192
        self._add_reference(sub_tree)
144
193
 
145
194
    def break_lock(self):
184
233
            WorkingTree3._comparison_data(self, entry, path)
185
234
        # it looks like a plain directory, but it's really a reference -- see
186
235
        # also kind()
187
 
        if (self._repo_supports_tree_reference and kind == 'directory'
188
 
            and entry is not None and entry.kind == 'tree-reference'):
 
236
        if (self._repo_supports_tree_reference and
 
237
            kind == 'directory' and
 
238
            self._directory_is_tree_reference(path)):
189
239
            kind = 'tree-reference'
190
240
        return kind, executable, stat_value
191
241
 
217
267
            return self._dirstate
218
268
        local_path = self.bzrdir.get_workingtree_transport(None
219
269
            ).local_abspath('dirstate')
220
 
        self._dirstate = dirstate.DirState.on_file(local_path,
221
 
            self._sha1_provider())
 
270
        self._dirstate = dirstate.DirState.on_file(local_path)
222
271
        return self._dirstate
223
272
 
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
273
    def filter_unversioned_files(self, paths):
237
274
        """Filter out paths that are versioned.
238
275
 
270
307
 
271
308
    def _generate_inventory(self):
272
309
        """Create and set self.inventory from the dirstate object.
273
 
 
 
310
        
274
311
        This is relatively expensive: we have to walk the entire dirstate.
275
312
        Ideally we would not, and can deprecate this function.
276
313
        """
280
317
        state._read_dirblocks_if_needed()
281
318
        root_key, current_entry = self._get_entry(path='')
282
319
        current_id = root_key[2]
283
 
        if not (current_entry[0][0] == 'd'): # directory
284
 
            raise AssertionError(current_entry)
 
320
        assert current_entry[0][0] == 'd' # directory
285
321
        inv = Inventory(root_id=current_id)
286
322
        # Turn some things into local variables
287
323
        minikind_to_kind = dirstate.DirState._minikind_to_kind
320
356
                    # add this entry to the parent map.
321
357
                    parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
322
358
                elif kind == 'tree-reference':
323
 
                    if not self._repo_supports_tree_reference:
324
 
                        raise errors.UnsupportedOperation(
325
 
                            self._generate_inventory,
326
 
                            self.branch.repository)
 
359
                    assert self._repo_supports_tree_reference, \
 
360
                        "repository of %r " \
 
361
                        "doesn't support tree references " \
 
362
                        "required by entry %r" \
 
363
                        % (self, name)
327
364
                    inv_entry.reference_revision = link_or_sha1 or None
328
365
                elif kind != 'symlink':
329
366
                    raise AssertionError("unknown kind %r" % kind)
330
367
                # These checks cost us around 40ms on a 55k entry tree
331
 
                if file_id in inv_byid:
332
 
                    raise AssertionError('file_id %s already in'
333
 
                        ' inventory as %s' % (file_id, inv_byid[file_id]))
334
 
                if name_unicode in parent_ie.children:
335
 
                    raise AssertionError('name %r already in parent'
336
 
                        % (name_unicode,))
 
368
                assert file_id not in inv_byid, ('file_id %s already in'
 
369
                    ' inventory as %s' % (file_id, inv_byid[file_id]))
 
370
                assert name_unicode not in parent_ie.children
337
371
                inv_byid[file_id] = inv_entry
338
372
                parent_ie.children[name_unicode] = inv_entry
339
373
        self._inventory = inv
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
 
542
552
        Note: The caller is expected to take a read-lock before calling this.
543
553
        """
544
554
        relpath = self.id2path(file_id)
545
 
        if relpath is None:
546
 
            raise AssertionError(
547
 
                "path for id {%s} is None!" % file_id)
 
555
        assert relpath != None, \
 
556
            "path for id {%s} is None!" % file_id
548
557
        return self._kind(relpath)
549
558
 
550
559
    def _kind(self, relpath):
551
560
        abspath = self.abspath(relpath)
552
561
        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'
 
562
        if (self._repo_supports_tree_reference and
 
563
            kind == 'directory' and
 
564
            self._directory_is_tree_reference(relpath)):
 
565
            kind = 'tree-reference'
558
566
        return kind
559
567
 
560
568
    @needs_read_lock
567
575
            return _mod_revision.NULL_REVISION
568
576
 
569
577
    def lock_read(self):
570
 
        """See Branch.lock_read, and WorkingTree.unlock.
571
 
 
572
 
        :return: An object with an unlock method which will release the lock
573
 
            obtained.
574
 
        """
 
578
        """See Branch.lock_read, and WorkingTree.unlock."""
575
579
        self.branch.lock_read()
576
580
        try:
577
581
            self._control_files.lock_read()
590
594
        except:
591
595
            self.branch.unlock()
592
596
            raise
593
 
        return self
594
597
 
595
598
    def _lock_self_write(self):
596
599
        """This should be called after the branch is locked."""
611
614
        except:
612
615
            self.branch.unlock()
613
616
            raise
614
 
        return self
615
617
 
616
618
    def lock_tree_write(self):
617
 
        """See MutableTree.lock_tree_write, and WorkingTree.unlock.
618
 
 
619
 
        :return: An object with an unlock method which will release the lock
620
 
            obtained.
621
 
        """
 
619
        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
622
620
        self.branch.lock_read()
623
 
        return self._lock_self_write()
 
621
        self._lock_self_write()
624
622
 
625
623
    def lock_write(self):
626
 
        """See MutableTree.lock_write, and WorkingTree.unlock.
627
 
 
628
 
        :return: An object with an unlock method which will release the lock
629
 
            obtained.
630
 
        """
 
624
        """See MutableTree.lock_write, and WorkingTree.unlock."""
631
625
        self.branch.lock_write()
632
 
        return self._lock_self_write()
 
626
        self._lock_self_write()
633
627
 
634
628
    @needs_tree_write_lock
635
629
    def move(self, from_paths, to_dir, after=False):
637
631
        result = []
638
632
        if not from_paths:
639
633
            return result
 
634
 
640
635
        state = self.current_dirstate()
641
 
        if isinstance(from_paths, basestring):
642
 
            raise ValueError()
 
636
 
 
637
        assert not isinstance(from_paths, basestring)
643
638
        to_dir_utf8 = to_dir.encode('utf8')
644
639
        to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
645
640
        id_index = state._get_id_index()
705
700
            from_entry = self._get_entry(path=from_rel)
706
701
            if from_entry == (None, None):
707
702
                raise errors.BzrMoveFailedError(from_rel,to_dir,
708
 
                    errors.NotVersionedError(path=from_rel))
 
703
                    errors.NotVersionedError(path=str(from_rel)))
709
704
 
710
705
            from_id = from_entry[0][2]
711
706
            to_rel = pathjoin(to_dir, from_tail)
800
795
                if minikind == 'd':
801
796
                    def update_dirblock(from_dir, to_key, to_dir_utf8):
802
797
                        """Recursively update all entries in this dirblock."""
803
 
                        if from_dir == '':
804
 
                            raise AssertionError("renaming root not supported")
 
798
                        assert from_dir != '', "renaming root not supported"
805
799
                        from_key = (from_dir, '')
806
800
                        from_block_idx, present = \
807
801
                            state._find_block_index_from_key(from_key)
820
814
 
821
815
                        # Grab a copy since move_one may update the list.
822
816
                        for entry in from_block[1][:]:
823
 
                            if not (entry[0][0] == from_dir):
824
 
                                raise AssertionError()
 
817
                            assert entry[0][0] == from_dir
825
818
                            cur_details = entry[1][0]
826
819
                            to_key = (to_dir_utf8, entry[0][1], entry[0][2])
827
820
                            from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
886
879
        for tree in trees:
887
880
            if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
888
881
                parents):
889
 
                return super(DirStateWorkingTree, self).paths2ids(paths,
890
 
                    trees, require_versioned)
 
882
                return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
891
883
        search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
892
884
        # -- make all paths utf8 --
893
885
        paths_utf8 = set()
954
946
                raise errors.PathsNotVersionedError(paths)
955
947
        # -- remove redundancy in supplied paths to prevent over-scanning --
956
948
        search_paths = osutils.minimum_path_selection(paths)
957
 
        # sketch:
 
949
        # sketch: 
958
950
        # for all search_indexs in each path at or under each element of
959
951
        # search_paths, if the detail is relocated: add the id, and add the
960
952
        # relocated path as one to search if its not searched already. If the
1016
1008
 
1017
1009
    def read_working_inventory(self):
1018
1010
        """Read the working inventory.
1019
 
 
 
1011
        
1020
1012
        This is a meaningless operation for dirstate, but we obey it anyhow.
1021
1013
        """
1022
1014
        return self.inventory
1040
1032
    def set_last_revision(self, new_revision):
1041
1033
        """Change the last revision in the working tree."""
1042
1034
        parents = self.get_parent_ids()
1043
 
        if new_revision in (_mod_revision.NULL_REVISION, None):
1044
 
            if len(parents) >= 2:
1045
 
                raise AssertionError(
1046
 
                    "setting the last parent to none with a pending merge is "
1047
 
                    "unsupported.")
 
1035
        if new_revision in (NULL_REVISION, None):
 
1036
            assert len(parents) < 2, (
 
1037
                "setting the last parent to none with a pending merge is "
 
1038
                "unsupported.")
1048
1039
            self.set_parent_ids([])
1049
1040
        else:
1050
1041
            self.set_parent_ids([new_revision] + parents[1:],
1053
1044
    @needs_tree_write_lock
1054
1045
    def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1055
1046
        """Set the parent ids to revision_ids.
1056
 
 
 
1047
        
1057
1048
        See also set_parent_trees. This api will try to retrieve the tree data
1058
1049
        for each element of revision_ids from the trees repository. If you have
1059
1050
        tree data already available, it is more efficient to use
1091
1082
                raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1092
1083
        real_trees = []
1093
1084
        ghosts = []
1094
 
 
1095
 
        parent_ids = [rev_id for rev_id, tree in parents_list]
1096
 
        graph = self.branch.repository.get_graph()
1097
 
        heads = graph.heads(parent_ids)
1098
 
        accepted_revisions = set()
1099
 
 
1100
1085
        # convert absent trees to the null tree, which we convert back to
1101
1086
        # missing on access.
1102
1087
        for rev_id, tree in parents_list:
1103
 
            if len(accepted_revisions) > 0:
1104
 
                # we always accept the first tree
1105
 
                if rev_id in accepted_revisions or rev_id not in heads:
1106
 
                    # We have already included either this tree, or its
1107
 
                    # descendent, so we skip it.
1108
 
                    continue
1109
1088
            _mod_revision.check_not_reserved_id(rev_id)
1110
1089
            if tree is not None:
1111
1090
                real_trees.append((rev_id, tree))
1112
1091
            else:
1113
1092
                real_trees.append((rev_id,
1114
 
                    self.branch.repository.revision_tree(
1115
 
                        _mod_revision.NULL_REVISION)))
 
1093
                    self.branch.repository.revision_tree(None)))
1116
1094
                ghosts.append(rev_id)
1117
 
            accepted_revisions.add(rev_id)
1118
1095
        dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1119
1096
        self._make_dirty(reset_inventory=False)
1120
1097
 
1213
1190
                # just forget the whole block.
1214
1191
                entry_index = 0
1215
1192
                while entry_index < len(block[1]):
 
1193
                    # Mark this file id as having been removed
1216
1194
                    entry = block[1][entry_index]
1217
 
                    if entry[1][0][0] in 'ar':
1218
 
                        # don't remove absent or renamed entries
 
1195
                    ids_to_unversion.discard(entry[0][2])
 
1196
                    if (entry[1][0][0] in 'ar' # don't remove absent or renamed
 
1197
                                               # entries
 
1198
                        or not state._make_absent(entry)):
1219
1199
                        entry_index += 1
1220
 
                    else:
1221
 
                        # Mark this file id as having been removed
1222
 
                        ids_to_unversion.discard(entry[0][2])
1223
 
                        if not state._make_absent(entry):
1224
 
                            # The block has not shrunk.
1225
 
                            entry_index += 1
1226
1200
                # go to the next block. (At the moment we dont delete empty
1227
1201
                # dirblocks)
1228
1202
                block_index += 1
1266
1240
 
1267
1241
    def update_basis_by_delta(self, new_revid, delta):
1268
1242
        """See MutableTree.update_basis_by_delta."""
1269
 
        if self.last_revision() == new_revid:
1270
 
            raise AssertionError()
 
1243
        assert self.last_revision() != new_revid
1271
1244
        self.current_dirstate().update_basis_by_delta(delta, new_revid)
1272
1245
 
1273
1246
    @needs_read_lock
1277
1250
    @needs_tree_write_lock
1278
1251
    def _write_inventory(self, inv):
1279
1252
        """Write inventory as the current inventory."""
1280
 
        if self._dirty:
1281
 
            raise AssertionError("attempting to write an inventory when the "
1282
 
                "dirstate is dirty will lose pending changes")
1283
 
        had_inventory = self._inventory is not None
1284
 
        # Setting self._inventory = None forces the dirstate to regenerate the
1285
 
        # working inventory. We do this because self.inventory may be inv, or
1286
 
        # may have been modified, and either case would prevent a clean delta
1287
 
        # being created.
1288
 
        self._inventory = None
1289
 
        # generate a delta,
1290
 
        delta = inv._make_delta(self.inventory)
1291
 
        # and apply it.
1292
 
        self.apply_inventory_delta(delta)
1293
 
        if had_inventory:
 
1253
        assert not self._dirty, ("attempting to write an inventory when the "
 
1254
            "dirstate is dirty will cause data loss")
 
1255
        self.current_dirstate().set_state_from_inventory(inv)
 
1256
        self._make_dirty(reset_inventory=False)
 
1257
        if self._inventory is not None:
1294
1258
            self._inventory = inv
1295
1259
        self.flush()
1296
1260
 
1297
1261
 
1298
 
class ContentFilterAwareSHA1Provider(dirstate.SHA1Provider):
1299
 
 
1300
 
    def __init__(self, tree):
1301
 
        self.tree = tree
1302
 
 
1303
 
    def sha1(self, abspath):
1304
 
        """See dirstate.SHA1Provider.sha1()."""
1305
 
        filters = self.tree._content_filter_stack(
1306
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1307
 
        return internal_size_sha_file_byname(abspath, filters)[1]
1308
 
 
1309
 
    def stat_and_sha1(self, abspath):
1310
 
        """See dirstate.SHA1Provider.stat_and_sha1()."""
1311
 
        filters = self.tree._content_filter_stack(
1312
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1313
 
        file_obj = file(abspath, 'rb', 65000)
1314
 
        try:
1315
 
            statvalue = os.fstat(file_obj.fileno())
1316
 
            if filters:
1317
 
                file_obj = filtered_input_file(file_obj, filters)
1318
 
            sha1 = osutils.size_sha_file(file_obj)[1]
1319
 
        finally:
1320
 
            file_obj.close()
1321
 
        return statvalue, sha1
1322
 
 
1323
 
 
1324
 
class ContentFilteringDirStateWorkingTree(DirStateWorkingTree):
1325
 
    """Dirstate working tree that supports content filtering.
1326
 
 
1327
 
    The dirstate holds the hash and size of the canonical form of the file, 
1328
 
    and most methods must return that.
1329
 
    """
1330
 
 
1331
 
    def _file_content_summary(self, path, stat_result):
1332
 
        # This is to support the somewhat obsolete path_content_summary method
1333
 
        # with content filtering: see
1334
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/415508>.
1335
 
        #
1336
 
        # If the dirstate cache is up to date and knows the hash and size,
1337
 
        # return that.
1338
 
        # Otherwise if there are no content filters, return the on-disk size
1339
 
        # and leave the hash blank.
1340
 
        # Otherwise, read and filter the on-disk file and use its size and
1341
 
        # hash.
1342
 
        #
1343
 
        # The dirstate doesn't store the size of the canonical form so we
1344
 
        # can't trust it for content-filtered trees.  We just return None.
1345
 
        dirstate_sha1 = self._dirstate.sha1_from_stat(path, stat_result)
1346
 
        executable = self._is_executable_from_path_and_stat(path, stat_result)
1347
 
        return ('file', None, executable, dirstate_sha1)
1348
 
 
1349
 
 
1350
 
class WorkingTree4(DirStateWorkingTree):
1351
 
    """This is the Format 4 working tree.
1352
 
 
1353
 
    This differs from WorkingTree3 by:
1354
 
     - Having a consolidated internal dirstate, stored in a
1355
 
       randomly-accessible sorted file on disk.
1356
 
     - Not having a regular inventory attribute.  One can be synthesized
1357
 
       on demand but this is expensive and should be avoided.
1358
 
 
1359
 
    This is new in bzr 0.15.
1360
 
    """
1361
 
 
1362
 
 
1363
 
class WorkingTree5(ContentFilteringDirStateWorkingTree):
1364
 
    """This is the Format 5 working tree.
1365
 
 
1366
 
    This differs from WorkingTree4 by:
1367
 
     - Supporting content filtering.
1368
 
 
1369
 
    This is new in bzr 1.11.
1370
 
    """
1371
 
 
1372
 
 
1373
 
class WorkingTree6(ContentFilteringDirStateWorkingTree):
1374
 
    """This is the Format 6 working tree.
1375
 
 
1376
 
    This differs from WorkingTree5 by:
1377
 
     - Supporting a current view that may mask the set of files in a tree
1378
 
       impacted by most user operations.
1379
 
 
1380
 
    This is new in bzr 1.14.
1381
 
    """
1382
 
 
1383
 
    def _make_views(self):
1384
 
        return views.PathBasedViews(self)
1385
 
 
1386
 
 
1387
 
class DirStateWorkingTreeFormat(WorkingTreeFormat3):
 
1262
class WorkingTreeFormat4(WorkingTreeFormat3):
 
1263
    """The first consolidated dirstate working tree format.
 
1264
 
 
1265
    This format:
 
1266
        - exists within a metadir controlling .bzr
 
1267
        - includes an explicit version marker for the workingtree control
 
1268
          files, separate from the BzrDir format
 
1269
        - modifies the hash cache format
 
1270
        - is new in bzr 0.15
 
1271
        - uses a LockDir to guard access to it.
 
1272
    """
 
1273
 
 
1274
    upgrade_recommended = False
 
1275
 
 
1276
    def get_format_string(self):
 
1277
        """See WorkingTreeFormat.get_format_string()."""
 
1278
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
 
1279
 
 
1280
    def get_format_description(self):
 
1281
        """See WorkingTreeFormat.get_format_description()."""
 
1282
        return "Working tree format 4"
1388
1283
 
1389
1284
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1390
1285
                   accelerator_tree=None, hardlink=False):
1408
1303
        control_files = self._open_control_files(a_bzrdir)
1409
1304
        control_files.create_lock()
1410
1305
        control_files.lock_write()
1411
 
        transport.put_bytes('format', self.get_format_string(),
1412
 
            mode=a_bzrdir._get_file_mode())
 
1306
        control_files.put_utf8('format', self.get_format_string())
1413
1307
        if from_branch is not None:
1414
1308
            branch = from_branch
1415
1309
        else:
1421
1315
        state = dirstate.DirState.initialize(local_path)
1422
1316
        state.unlock()
1423
1317
        del state
1424
 
        wt = self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1318
        wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1425
1319
                         branch,
1426
1320
                         _format=self,
1427
1321
                         _bzrdir=a_bzrdir,
1429
1323
        wt._new_tree()
1430
1324
        wt.lock_tree_write()
1431
1325
        try:
1432
 
            self._init_custom_control_files(wt)
1433
 
            if revision_id in (None, _mod_revision.NULL_REVISION):
 
1326
            if revision_id in (None, NULL_REVISION):
1434
1327
                if branch.repository.supports_rich_root():
1435
1328
                    wt._set_root_id(generate_ids.gen_root_id())
1436
1329
                else:
1447
1340
                    pass
1448
1341
            if basis is None:
1449
1342
                basis = branch.repository.revision_tree(revision_id)
1450
 
            if revision_id == _mod_revision.NULL_REVISION:
 
1343
            if revision_id == NULL_REVISION:
1451
1344
                parents_list = []
1452
1345
            else:
1453
1346
                parents_list = [(revision_id, basis)]
1461
1354
                if basis_root_id is not None:
1462
1355
                    wt._set_root_id(basis_root_id)
1463
1356
                    wt.flush()
1464
 
                if wt.supports_content_filtering():
1465
 
                    # The original tree may not have the same content filters
1466
 
                    # applied so we can't safely build the inventory delta from
1467
 
                    # the source tree.
1468
 
                    delta_from_tree = False
1469
 
                else:
1470
 
                    delta_from_tree = True
1471
 
                # delta_from_tree is safe even for DirStateRevisionTrees,
1472
 
                # because wt4.apply_inventory_delta does not mutate the input
1473
 
                # inventory entries.
1474
1357
                transform.build_tree(basis, wt, accelerator_tree,
1475
 
                                     hardlink=hardlink,
1476
 
                                     delta_from_tree=delta_from_tree)
 
1358
                                     hardlink=hardlink)
1477
1359
            finally:
1478
1360
                basis.unlock()
1479
1361
        finally:
1481
1363
            wt.unlock()
1482
1364
        return wt
1483
1365
 
1484
 
    def _init_custom_control_files(self, wt):
1485
 
        """Subclasses with custom control files should override this method.
1486
 
 
1487
 
        The working tree and control files are locked for writing when this
1488
 
        method is called.
1489
 
 
1490
 
        :param wt: the WorkingTree object
1491
 
        """
1492
 
 
1493
1366
    def _open(self, a_bzrdir, control_files):
1494
1367
        """Open the tree itself.
1495
1368
 
1496
1369
        :param a_bzrdir: the dir for the tree.
1497
1370
        :param control_files: the control files for the tree.
1498
1371
        """
1499
 
        return self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1372
        return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1500
1373
                           branch=a_bzrdir.open_branch(),
1501
1374
                           _format=self,
1502
1375
                           _bzrdir=a_bzrdir,
1503
1376
                           _control_files=control_files)
1504
1377
 
1505
1378
    def __get_matchingbzrdir(self):
1506
 
        return self._get_matchingbzrdir()
1507
 
 
1508
 
    def _get_matchingbzrdir(self):
1509
 
        """Overrideable method to get a bzrdir for testing."""
1510
1379
        # please test against something that will let us do tree references
1511
1380
        return bzrdir.format_registry.make_bzrdir(
1512
1381
            'dirstate-with-subtree')
1514
1383
    _matchingbzrdir = property(__get_matchingbzrdir)
1515
1384
 
1516
1385
 
1517
 
class WorkingTreeFormat4(DirStateWorkingTreeFormat):
1518
 
    """The first consolidated dirstate working tree format.
1519
 
 
1520
 
    This format:
1521
 
        - exists within a metadir controlling .bzr
1522
 
        - includes an explicit version marker for the workingtree control
1523
 
          files, separate from the BzrDir format
1524
 
        - modifies the hash cache format
1525
 
        - is new in bzr 0.15
1526
 
        - uses a LockDir to guard access to it.
1527
 
    """
1528
 
 
1529
 
    upgrade_recommended = False
1530
 
 
1531
 
    _tree_class = WorkingTree4
1532
 
 
1533
 
    def get_format_string(self):
1534
 
        """See WorkingTreeFormat.get_format_string()."""
1535
 
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1536
 
 
1537
 
    def get_format_description(self):
1538
 
        """See WorkingTreeFormat.get_format_description()."""
1539
 
        return "Working tree format 4"
1540
 
 
1541
 
 
1542
 
class WorkingTreeFormat5(DirStateWorkingTreeFormat):
1543
 
    """WorkingTree format supporting content filtering.
1544
 
    """
1545
 
 
1546
 
    upgrade_recommended = False
1547
 
 
1548
 
    _tree_class = WorkingTree5
1549
 
 
1550
 
    def get_format_string(self):
1551
 
        """See WorkingTreeFormat.get_format_string()."""
1552
 
        return "Bazaar Working Tree Format 5 (bzr 1.11)\n"
1553
 
 
1554
 
    def get_format_description(self):
1555
 
        """See WorkingTreeFormat.get_format_description()."""
1556
 
        return "Working tree format 5"
1557
 
 
1558
 
    def supports_content_filtering(self):
1559
 
        return True
1560
 
 
1561
 
 
1562
 
class WorkingTreeFormat6(DirStateWorkingTreeFormat):
1563
 
    """WorkingTree format supporting views.
1564
 
    """
1565
 
 
1566
 
    upgrade_recommended = False
1567
 
 
1568
 
    _tree_class = WorkingTree6
1569
 
 
1570
 
    def get_format_string(self):
1571
 
        """See WorkingTreeFormat.get_format_string()."""
1572
 
        return "Bazaar Working Tree Format 6 (bzr 1.14)\n"
1573
 
 
1574
 
    def get_format_description(self):
1575
 
        """See WorkingTreeFormat.get_format_description()."""
1576
 
        return "Working tree format 6"
1577
 
 
1578
 
    def _init_custom_control_files(self, wt):
1579
 
        """Subclasses with custom control files should override this method."""
1580
 
        wt._transport.put_bytes('views', '', mode=wt.bzrdir._get_file_mode())
1581
 
 
1582
 
    def supports_content_filtering(self):
1583
 
        return True
1584
 
 
1585
 
    def supports_views(self):
1586
 
        return True
1587
 
 
1588
 
 
1589
1386
class DirStateRevisionTree(Tree):
1590
 
    """A revision tree pulling the inventory from a dirstate.
1591
 
    
1592
 
    Note that this is one of the historical (ie revision) trees cached in the
1593
 
    dirstate for easy access, not the workingtree.
1594
 
    """
 
1387
    """A revision tree pulling the inventory from a dirstate."""
1595
1388
 
1596
1389
    def __init__(self, dirstate, revision_id, repository):
1597
1390
        self._dirstate = dirstate
1600
1393
        self._inventory = None
1601
1394
        self._locked = 0
1602
1395
        self._dirstate_locked = False
1603
 
        self._repo_supports_tree_reference = getattr(
1604
 
            repository._format, "supports_tree_reference",
1605
 
            False)
1606
1396
 
1607
1397
    def __repr__(self):
1608
1398
        return "<%s of %s in %s>" % \
1611
1401
    def annotate_iter(self, file_id,
1612
1402
                      default_revision=_mod_revision.CURRENT_REVISION):
1613
1403
        """See Tree.annotate_iter"""
1614
 
        text_key = (file_id, self.inventory[file_id].revision)
1615
 
        annotations = self._repository.texts.annotate(text_key)
1616
 
        return [(key[-1], line) for (key, line) in annotations]
 
1404
        w = self._get_weave(file_id)
 
1405
        return w.annotate(self.inventory[file_id].revision)
1617
1406
 
1618
1407
    def _get_ancestors(self, default_revision):
1619
1408
        return set(self._repository.get_ancestry(self._revision_id,
1648
1437
        path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1649
1438
        return path_utf8.decode('utf8')
1650
1439
 
1651
 
    def iter_references(self):
1652
 
        if not self._repo_supports_tree_reference:
1653
 
            # When the repo doesn't support references, we will have nothing to
1654
 
            # return
1655
 
            return iter([])
1656
 
        # Otherwise, fall back to the default implementation
1657
 
        return super(DirStateRevisionTree, self).iter_references()
1658
 
 
1659
1440
    def _get_parent_index(self):
1660
1441
        """Return the index in the dirstate referenced by this tree."""
1661
1442
        return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1666
1447
        If either file_id or path is supplied, it is used as the key to lookup.
1667
1448
        If both are supplied, the fastest lookup is used, and an error is
1668
1449
        raised if they do not both point at the same row.
1669
 
 
 
1450
        
1670
1451
        :param file_id: An optional unicode file_id to be looked up.
1671
1452
        :param path: An optional unicode path to be looked up.
1672
1453
        :return: The dirstate row tuple for path/file_id, or (None, None)
1686
1467
 
1687
1468
        This is relatively expensive: we have to walk the entire dirstate.
1688
1469
        """
1689
 
        if not self._locked:
1690
 
            raise AssertionError(
1691
 
                'cannot generate inventory of an unlocked '
1692
 
                'dirstate revision tree')
 
1470
        assert self._locked, 'cannot generate inventory of an unlocked '\
 
1471
            'dirstate revision tree'
1693
1472
        # separate call for profiling - makes it clear where the costs are.
1694
1473
        self._dirstate._read_dirblocks_if_needed()
1695
 
        if self._revision_id not in self._dirstate.get_parent_ids():
1696
 
            raise AssertionError(
1697
 
                'parent %s has disappeared from %s' % (
1698
 
                self._revision_id, self._dirstate.get_parent_ids()))
 
1474
        assert self._revision_id in self._dirstate.get_parent_ids(), \
 
1475
            'parent %s has disappeared from %s' % (
 
1476
            self._revision_id, self._dirstate.get_parent_ids())
1699
1477
        parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1700
1478
        # This is identical now to the WorkingTree _generate_inventory except
1701
1479
        # for the tree index use.
1702
1480
        root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1703
1481
        current_id = root_key[2]
1704
 
        if current_entry[parent_index][0] != 'd':
1705
 
            raise AssertionError()
 
1482
        assert current_entry[parent_index][0] == 'd'
1706
1483
        inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1707
1484
        inv.root.revision = current_entry[parent_index][4]
1708
1485
        # Turn some things into local variables
1748
1525
                    raise AssertionError("cannot convert entry %r into an InventoryEntry"
1749
1526
                            % entry)
1750
1527
                # These checks cost us around 40ms on a 55k entry tree
1751
 
                if file_id in inv_byid:
1752
 
                    raise AssertionError('file_id %s already in'
1753
 
                        ' inventory as %s' % (file_id, inv_byid[file_id]))
1754
 
                if name_unicode in parent_ie.children:
1755
 
                    raise AssertionError('name %r already in parent'
1756
 
                        % (name_unicode,))
 
1528
                assert file_id not in inv_byid
 
1529
                assert name_unicode not in parent_ie.children
1757
1530
                inv_byid[file_id] = inv_entry
1758
1531
                parent_ie.children[name_unicode] = inv_entry
1759
1532
        self._inventory = inv
1769
1542
            return None
1770
1543
        parent_index = self._get_parent_index()
1771
1544
        last_changed_revision = entry[1][parent_index][4]
1772
 
        try:
1773
 
            rev = self._repository.get_revision(last_changed_revision)
1774
 
        except errors.NoSuchRevision:
1775
 
            raise errors.FileTimestampUnavailable(self.id2path(file_id))
1776
 
        return rev.timestamp
 
1545
        return self._repository.get_revision(last_changed_revision).timestamp
1777
1546
 
1778
1547
    def get_file_sha1(self, file_id, path=None, stat_value=None):
1779
1548
        entry = self._get_entry(file_id=file_id, path=path)
1783
1552
            return parent_details[1]
1784
1553
        return None
1785
1554
 
 
1555
    @symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
 
1556
    def get_weave(self, file_id):
 
1557
        return self._get_weave(file_id)
 
1558
 
 
1559
    def _get_weave(self, file_id):
 
1560
        return self._repository.weave_store.get_weave(file_id,
 
1561
                self._repository.get_transaction())
 
1562
 
1786
1563
    def get_file(self, file_id, path=None):
1787
1564
        return StringIO(self.get_file_text(file_id))
1788
1565
 
 
1566
    def get_file_lines(self, file_id):
 
1567
        entry = self._get_entry(file_id=file_id)[1]
 
1568
        if entry == None:
 
1569
            raise errors.NoSuchId(tree=self, file_id=file_id)
 
1570
        return self._get_weave(file_id).get_lines(entry[1][4])
 
1571
 
1789
1572
    def get_file_size(self, file_id):
1790
1573
        """See Tree.get_file_size"""
1791
1574
        return self.inventory[file_id].text_size
1792
1575
 
1793
 
    def get_file_text(self, file_id, path=None):
1794
 
        _, content = list(self.iter_files_bytes([(file_id, None)]))[0]
1795
 
        return ''.join(content)
 
1576
    def get_file_text(self, file_id):
 
1577
        return ''.join(self.get_file_lines(file_id))
1796
1578
 
1797
1579
    def get_reference_revision(self, file_id, path=None):
1798
1580
        return self.inventory[file_id].reference_revision
1817
1599
        if entry[1][parent_index][0] != 'l':
1818
1600
            return None
1819
1601
        else:
1820
 
            target = entry[1][parent_index][1]
1821
 
            target = target.decode('utf8')
1822
 
            return target
 
1602
            # At present, none of the tree implementations supports non-ascii
 
1603
            # symlink targets. So we will just assume that the dirstate path is
 
1604
            # correct.
 
1605
            return entry[1][parent_index][1]
1823
1606
 
1824
1607
    def get_revision_id(self):
1825
1608
        """Return the revision id for this tree."""
1844
1627
 
1845
1628
    def kind(self, file_id):
1846
1629
        entry = self._get_entry(file_id=file_id)[1]
1847
 
        if entry is None:
 
1630
        if entry == None:
1848
1631
            raise errors.NoSuchId(tree=self, file_id=file_id)
1849
 
        parent_index = self._get_parent_index()
1850
 
        return dirstate.DirState._minikind_to_kind[entry[parent_index][0]]
 
1632
        return dirstate.DirState._minikind_to_kind[entry[1][0]]
1851
1633
 
1852
1634
    def stored_kind(self, file_id):
1853
1635
        """See Tree.stored_kind"""
1873
1655
            return None
1874
1656
        return ie.executable
1875
1657
 
1876
 
    def is_locked(self):
1877
 
        return self._locked
1878
 
 
1879
 
    def list_files(self, include_root=False, from_dir=None, recursive=True):
 
1658
    def list_files(self, include_root=False):
1880
1659
        # We use a standard implementation, because DirStateRevisionTree is
1881
1660
        # dealing with one of the parents of the current state
1882
1661
        inv = self._get_inventory()
1883
 
        if from_dir is None:
1884
 
            from_dir_id = None
1885
 
        else:
1886
 
            from_dir_id = inv.path2id(from_dir)
1887
 
            if from_dir_id is None:
1888
 
                # Directory not versioned
1889
 
                return
1890
 
        entries = inv.iter_entries(from_dir=from_dir_id, recursive=recursive)
1891
 
        if inv.root is not None and not include_root and from_dir is None:
 
1662
        entries = inv.iter_entries()
 
1663
        if self.inventory.root is not None and not include_root:
1892
1664
            entries.next()
1893
1665
        for path, entry in entries:
1894
1666
            yield path, 'V', entry.kind, entry.file_id, entry
1895
1667
 
1896
1668
    def lock_read(self):
1897
 
        """Lock the tree for a set of operations.
1898
 
 
1899
 
        :return: An object with an unlock method which will release the lock
1900
 
            obtained.
1901
 
        """
 
1669
        """Lock the tree for a set of operations."""
1902
1670
        if not self._locked:
1903
1671
            self._repository.lock_read()
1904
1672
            if self._dirstate._lock_token is None:
1905
1673
                self._dirstate.lock_read()
1906
1674
                self._dirstate_locked = True
1907
1675
        self._locked += 1
1908
 
        return self
1909
1676
 
1910
1677
    def _must_be_locked(self):
1911
1678
        if not self._locked:
1932
1699
                self._dirstate_locked = False
1933
1700
            self._repository.unlock()
1934
1701
 
1935
 
    @needs_read_lock
1936
 
    def supports_tree_reference(self):
1937
 
        return self._repo_supports_tree_reference
1938
 
 
1939
1702
    def walkdirs(self, prefix=""):
1940
1703
        # TODO: jam 20070215 This is the lazy way by using the RevisionTree
1941
 
        # implementation based on an inventory.
 
1704
        # implementation based on an inventory.  
1942
1705
        # This should be cleaned up to use the much faster Dirstate code
1943
1706
        # So for now, we just build up the parent inventory, and extract
1944
1707
        # it the same way RevisionTree does.
1973
1736
 
1974
1737
class InterDirStateTree(InterTree):
1975
1738
    """Fast path optimiser for changes_from with dirstate trees.
1976
 
 
1977
 
    This is used only when both trees are in the dirstate working file, and
1978
 
    the source is any parent within the dirstate, and the destination is
 
1739
    
 
1740
    This is used only when both trees are in the dirstate working file, and 
 
1741
    the source is any parent within the dirstate, and the destination is 
1979
1742
    the current working tree of the same dirstate.
1980
1743
    """
1981
1744
    # this could be generalized to allow comparisons between any trees in the
1994
1757
        target.set_parent_ids([revid])
1995
1758
        return target.basis_tree(), target
1996
1759
 
1997
 
    @classmethod
1998
 
    def make_source_parent_tree_python_dirstate(klass, test_case, source, target):
1999
 
        result = klass.make_source_parent_tree(source, target)
2000
 
        result[1]._iter_changes = dirstate.ProcessEntryPython
2001
 
        return result
2002
 
 
2003
 
    @classmethod
2004
 
    def make_source_parent_tree_compiled_dirstate(klass, test_case, source,
2005
 
                                                  target):
2006
 
        from bzrlib.tests.test__dirstate_helpers import \
2007
 
            compiled_dirstate_helpers_feature
2008
 
        test_case.requireFeature(compiled_dirstate_helpers_feature)
2009
 
        from bzrlib._dirstate_helpers_pyx import ProcessEntryC
2010
 
        result = klass.make_source_parent_tree(source, target)
2011
 
        result[1]._iter_changes = ProcessEntryC
2012
 
        return result
2013
 
 
2014
1760
    _matching_from_tree_format = WorkingTreeFormat4()
2015
1761
    _matching_to_tree_format = WorkingTreeFormat4()
2016
 
 
2017
 
    @classmethod
2018
 
    def _test_mutable_trees_to_test_trees(klass, test_case, source, target):
2019
 
        # This method shouldn't be called, because we have python and C
2020
 
        # specific flavours.
2021
 
        raise NotImplementedError
 
1762
    _test_mutable_trees_to_test_trees = make_source_parent_tree
2022
1763
 
2023
1764
    def iter_changes(self, include_unchanged=False,
2024
1765
                      specific_files=None, pb=None, extra_trees=[],
2042
1783
            output. An unversioned file is defined as one with (False, False)
2043
1784
            for the versioned pair.
2044
1785
        """
 
1786
        utf8_decode = cache_utf8._utf8_decode
 
1787
        _minikind_to_kind = dirstate.DirState._minikind_to_kind
 
1788
        cmp_by_dirs = dirstate.cmp_by_dirs
 
1789
        # NB: show_status depends on being able to pass in non-versioned files
 
1790
        # and report them as unknown
2045
1791
        # TODO: handle extra trees in the dirstate.
2046
1792
        if (extra_trees or specific_files == []):
2047
1793
            # we can't fast-path these cases (yet)
2048
 
            return super(InterDirStateTree, self).iter_changes(
 
1794
            for f in super(InterDirStateTree, self).iter_changes(
2049
1795
                include_unchanged, specific_files, pb, extra_trees,
2050
 
                require_versioned, want_unversioned=want_unversioned)
 
1796
                require_versioned, want_unversioned=want_unversioned):
 
1797
                yield f
 
1798
            return
2051
1799
        parent_ids = self.target.get_parent_ids()
2052
 
        if not (self.source._revision_id in parent_ids
2053
 
                or self.source._revision_id == _mod_revision.NULL_REVISION):
2054
 
            raise AssertionError(
2055
 
                "revision {%s} is not stored in {%s}, but %s "
2056
 
                "can only be used for trees stored in the dirstate"
2057
 
                % (self.source._revision_id, self.target, self.iter_changes))
 
1800
        assert (self.source._revision_id in parent_ids
 
1801
                or self.source._revision_id == NULL_REVISION), \
 
1802
                "revision {%s} is not stored in {%s}, but %s " \
 
1803
                "can only be used for trees stored in the dirstate" \
 
1804
                % (self.source._revision_id, self.target, self.iter_changes)
2058
1805
        target_index = 0
2059
 
        if self.source._revision_id == _mod_revision.NULL_REVISION:
 
1806
        if self.source._revision_id == NULL_REVISION:
2060
1807
            source_index = None
2061
1808
            indices = (target_index,)
2062
1809
        else:
2063
 
            if not (self.source._revision_id in parent_ids):
2064
 
                raise AssertionError(
2065
 
                    "Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
2066
 
                    self.source._revision_id, parent_ids))
 
1810
            assert (self.source._revision_id in parent_ids), \
 
1811
                "Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
 
1812
                self.source._revision_id, parent_ids)
2067
1813
            source_index = 1 + parent_ids.index(self.source._revision_id)
2068
1814
            indices = (source_index, target_index)
2069
1815
        # -- make all specific_files utf8 --
2070
1816
        if specific_files:
2071
1817
            specific_files_utf8 = set()
2072
1818
            for path in specific_files:
2073
 
                # Note, if there are many specific files, using cache_utf8
2074
 
                # would be good here.
2075
1819
                specific_files_utf8.add(path.encode('utf8'))
2076
1820
            specific_files = specific_files_utf8
2077
1821
        else:
2078
1822
            specific_files = set([''])
2079
1823
        # -- specific_files is now a utf8 path set --
2080
 
 
2081
1824
        # -- get the state object and prepare it.
2082
1825
        state = self.target.current_dirstate()
2083
1826
        state._read_dirblocks_if_needed()
 
1827
        def _entries_for_path(path):
 
1828
            """Return a list with all the entries that match path for all ids.
 
1829
            """
 
1830
            dirname, basename = os.path.split(path)
 
1831
            key = (dirname, basename, '')
 
1832
            block_index, present = state._find_block_index_from_key(key)
 
1833
            if not present:
 
1834
                # the block which should contain path is absent.
 
1835
                return []
 
1836
            result = []
 
1837
            block = state._dirblocks[block_index][1]
 
1838
            entry_index, _ = state._find_entry_index(key, block)
 
1839
            # we may need to look at multiple entries at this path: walk while the specific_files match.
 
1840
            while (entry_index < len(block) and
 
1841
                block[entry_index][0][0:2] == key[0:2]):
 
1842
                result.append(block[entry_index])
 
1843
                entry_index += 1
 
1844
            return result
2084
1845
        if require_versioned:
2085
1846
            # -- check all supplied paths are versioned in a search tree. --
2086
 
            not_versioned = []
 
1847
            all_versioned = True
2087
1848
            for path in specific_files:
2088
 
                path_entries = state._entries_for_path(path)
 
1849
                path_entries = _entries_for_path(path)
2089
1850
                if not path_entries:
2090
1851
                    # this specified path is not present at all: error
2091
 
                    not_versioned.append(path)
2092
 
                    continue
 
1852
                    all_versioned = False
 
1853
                    break
2093
1854
                found_versioned = False
2094
1855
                # for each id at this path
2095
1856
                for entry in path_entries:
2102
1863
                if not found_versioned:
2103
1864
                    # none of the indexes was not 'absent' at all ids for this
2104
1865
                    # path.
2105
 
                    not_versioned.append(path)
2106
 
            if len(not_versioned) > 0:
2107
 
                raise errors.PathsNotVersionedError(not_versioned)
 
1866
                    all_versioned = False
 
1867
                    break
 
1868
            if not all_versioned:
 
1869
                raise errors.PathsNotVersionedError(specific_files)
2108
1870
        # -- remove redundancy in supplied specific_files to prevent over-scanning --
2109
 
        search_specific_files = osutils.minimum_path_selection(specific_files)
 
1871
        search_specific_files = set()
 
1872
        for path in specific_files:
 
1873
            other_specific_files = specific_files.difference(set([path]))
 
1874
            if not osutils.is_inside_any(other_specific_files, path):
 
1875
                # this is a top level path, we must check it.
 
1876
                search_specific_files.add(path)
 
1877
        # sketch: 
 
1878
        # compare source_index and target_index at or under each element of search_specific_files.
 
1879
        # follow the following comparison table. Note that we only want to do diff operations when
 
1880
        # the target is fdl because thats when the walkdirs logic will have exposed the pathinfo 
 
1881
        # for the target.
 
1882
        # cases:
 
1883
        # 
 
1884
        # Source | Target | disk | action
 
1885
        #   r    | fdlt   |      | add source to search, add id path move and perform
 
1886
        #        |        |      | diff check on source-target
 
1887
        #   r    | fdlt   |  a   | dangling file that was present in the basis. 
 
1888
        #        |        |      | ???
 
1889
        #   r    |  a     |      | add source to search
 
1890
        #   r    |  a     |  a   | 
 
1891
        #   r    |  r     |      | this path is present in a non-examined tree, skip.
 
1892
        #   r    |  r     |  a   | this path is present in a non-examined tree, skip.
 
1893
        #   a    | fdlt   |      | add new id
 
1894
        #   a    | fdlt   |  a   | dangling locally added file, skip
 
1895
        #   a    |  a     |      | not present in either tree, skip
 
1896
        #   a    |  a     |  a   | not present in any tree, skip
 
1897
        #   a    |  r     |      | not present in either tree at this path, skip as it
 
1898
        #        |        |      | may not be selected by the users list of paths.
 
1899
        #   a    |  r     |  a   | not present in either tree at this path, skip as it
 
1900
        #        |        |      | may not be selected by the users list of paths.
 
1901
        #  fdlt  | fdlt   |      | content in both: diff them
 
1902
        #  fdlt  | fdlt   |  a   | deleted locally, but not unversioned - show as deleted ?
 
1903
        #  fdlt  |  a     |      | unversioned: output deleted id for now
 
1904
        #  fdlt  |  a     |  a   | unversioned and deleted: output deleted id
 
1905
        #  fdlt  |  r     |      | relocated in this tree, so add target to search.
 
1906
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1907
        #        |        |      | this id at the other path.
 
1908
        #  fdlt  |  r     |  a   | relocated in this tree, so add target to search.
 
1909
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1910
        #        |        |      | this id at the other path.
 
1911
 
 
1912
        # for all search_indexs in each path at or under each element of
 
1913
        # search_specific_files, if the detail is relocated: add the id, and add the
 
1914
        # relocated path as one to search if its not searched already. If the
 
1915
        # detail is not relocated, add the id.
 
1916
        searched_specific_files = set()
 
1917
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1918
        # Using a list so that we can access the values and change them in
 
1919
        # nested scope. Each one is [path, file_id, entry]
 
1920
        last_source_parent = [None, None]
 
1921
        last_target_parent = [None, None]
2110
1922
 
2111
1923
        use_filesystem_for_exec = (sys.platform != 'win32')
2112
 
        iter_changes = self.target._iter_changes(include_unchanged,
2113
 
            use_filesystem_for_exec, search_specific_files, state,
2114
 
            source_index, target_index, want_unversioned, self.target)
2115
 
        return iter_changes.iter_changes()
 
1924
 
 
1925
        # Just a sentry, so that _process_entry can say that this
 
1926
        # record is handled, but isn't interesting to process (unchanged)
 
1927
        uninteresting = object()
 
1928
 
 
1929
 
 
1930
        old_dirname_to_file_id = {}
 
1931
        new_dirname_to_file_id = {}
 
1932
        # TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
 
1933
        #       keeping a cache of directories that we have seen.
 
1934
 
 
1935
        def _process_entry(entry, path_info):
 
1936
            """Compare an entry and real disk to generate delta information.
 
1937
 
 
1938
            :param path_info: top_relpath, basename, kind, lstat, abspath for
 
1939
                the path of entry. If None, then the path is considered absent.
 
1940
                (Perhaps we should pass in a concrete entry for this ?)
 
1941
                Basename is returned as a utf8 string because we expect this
 
1942
                tuple will be ignored, and don't want to take the time to
 
1943
                decode.
 
1944
            :return: None if these don't match
 
1945
                     A tuple of information about the change, or
 
1946
                     the object 'uninteresting' if these match, but are
 
1947
                     basically identical.
 
1948
            """
 
1949
            if source_index is None:
 
1950
                source_details = NULL_PARENT_DETAILS
 
1951
            else:
 
1952
                source_details = entry[1][source_index]
 
1953
            target_details = entry[1][target_index]
 
1954
            target_minikind = target_details[0]
 
1955
            if path_info is not None and target_minikind in 'fdlt':
 
1956
                assert target_index == 0
 
1957
                link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
 
1958
                                                  stat_value=path_info[3])
 
1959
                # The entry may have been modified by update_entry
 
1960
                target_details = entry[1][target_index]
 
1961
                target_minikind = target_details[0]
 
1962
            else:
 
1963
                link_or_sha1 = None
 
1964
            file_id = entry[0][2]
 
1965
            source_minikind = source_details[0]
 
1966
            if source_minikind in 'fdltr' and target_minikind in 'fdlt':
 
1967
                # claimed content in both: diff
 
1968
                #   r    | fdlt   |      | add source to search, add id path move and perform
 
1969
                #        |        |      | diff check on source-target
 
1970
                #   r    | fdlt   |  a   | dangling file that was present in the basis.
 
1971
                #        |        |      | ???
 
1972
                if source_minikind in 'r':
 
1973
                    # add the source to the search path to find any children it
 
1974
                    # has.  TODO ? : only add if it is a container ?
 
1975
                    if not osutils.is_inside_any(searched_specific_files,
 
1976
                                                 source_details[1]):
 
1977
                        search_specific_files.add(source_details[1])
 
1978
                    # generate the old path; this is needed for stating later
 
1979
                    # as well.
 
1980
                    old_path = source_details[1]
 
1981
                    old_dirname, old_basename = os.path.split(old_path)
 
1982
                    path = pathjoin(entry[0][0], entry[0][1])
 
1983
                    old_entry = state._get_entry(source_index,
 
1984
                                                 path_utf8=old_path)
 
1985
                    # update the source details variable to be the real
 
1986
                    # location.
 
1987
                    if old_entry == (None, None):
 
1988
                        raise errors.CorruptDirstate(state._filename,
 
1989
                            "entry '%s/%s' is considered renamed from %r"
 
1990
                            " but source does not exist\n"
 
1991
                            "entry: %s" % (entry[0][0], entry[0][1], old_path, entry))
 
1992
                    source_details = old_entry[1][source_index]
 
1993
                    source_minikind = source_details[0]
 
1994
                else:
 
1995
                    old_dirname = entry[0][0]
 
1996
                    old_basename = entry[0][1]
 
1997
                    old_path = path = None
 
1998
                if path_info is None:
 
1999
                    # the file is missing on disk, show as removed.
 
2000
                    content_change = True
 
2001
                    target_kind = None
 
2002
                    target_exec = False
 
2003
                else:
 
2004
                    # source and target are both versioned and disk file is present.
 
2005
                    target_kind = path_info[2]
 
2006
                    if target_kind == 'directory':
 
2007
                        if path is None:
 
2008
                            old_path = path = pathjoin(old_dirname, old_basename)
 
2009
                        new_dirname_to_file_id[path] = file_id
 
2010
                        if source_minikind != 'd':
 
2011
                            content_change = True
 
2012
                        else:
 
2013
                            # directories have no fingerprint
 
2014
                            content_change = False
 
2015
                        target_exec = False
 
2016
                    elif target_kind == 'file':
 
2017
                        if source_minikind != 'f':
 
2018
                            content_change = True
 
2019
                        else:
 
2020
                            # We could check the size, but we already have the
 
2021
                            # sha1 hash.
 
2022
                            content_change = (link_or_sha1 != source_details[1])
 
2023
                        # Target details is updated at update_entry time
 
2024
                        if use_filesystem_for_exec:
 
2025
                            # We don't need S_ISREG here, because we are sure
 
2026
                            # we are dealing with a file.
 
2027
                            target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
 
2028
                        else:
 
2029
                            target_exec = target_details[3]
 
2030
                    elif target_kind == 'symlink':
 
2031
                        if source_minikind != 'l':
 
2032
                            content_change = True
 
2033
                        else:
 
2034
                            content_change = (link_or_sha1 != source_details[1])
 
2035
                        target_exec = False
 
2036
                    elif target_kind == 'tree-reference':
 
2037
                        if source_minikind != 't':
 
2038
                            content_change = True
 
2039
                        else:
 
2040
                            content_change = False
 
2041
                        target_exec = False
 
2042
                    else:
 
2043
                        raise Exception, "unknown kind %s" % path_info[2]
 
2044
                if source_minikind == 'd':
 
2045
                    if path is None:
 
2046
                        old_path = path = pathjoin(old_dirname, old_basename)
 
2047
                    old_dirname_to_file_id[old_path] = file_id
 
2048
                # parent id is the entry for the path in the target tree
 
2049
                if old_dirname == last_source_parent[0]:
 
2050
                    source_parent_id = last_source_parent[1]
 
2051
                else:
 
2052
                    try:
 
2053
                        source_parent_id = old_dirname_to_file_id[old_dirname]
 
2054
                    except KeyError:
 
2055
                        source_parent_entry = state._get_entry(source_index,
 
2056
                                                               path_utf8=old_dirname)
 
2057
                        source_parent_id = source_parent_entry[0][2]
 
2058
                    if source_parent_id == entry[0][2]:
 
2059
                        # This is the root, so the parent is None
 
2060
                        source_parent_id = None
 
2061
                    else:
 
2062
                        last_source_parent[0] = old_dirname
 
2063
                        last_source_parent[1] = source_parent_id
 
2064
                new_dirname = entry[0][0]
 
2065
                if new_dirname == last_target_parent[0]:
 
2066
                    target_parent_id = last_target_parent[1]
 
2067
                else:
 
2068
                    try:
 
2069
                        target_parent_id = new_dirname_to_file_id[new_dirname]
 
2070
                    except KeyError:
 
2071
                        # TODO: We don't always need to do the lookup, because the
 
2072
                        #       parent entry will be the same as the source entry.
 
2073
                        target_parent_entry = state._get_entry(target_index,
 
2074
                                                               path_utf8=new_dirname)
 
2075
                        assert target_parent_entry != (None, None), (
 
2076
                            "Could not find target parent in wt: %s\nparent of: %s"
 
2077
                            % (new_dirname, entry))
 
2078
                        target_parent_id = target_parent_entry[0][2]
 
2079
                    if target_parent_id == entry[0][2]:
 
2080
                        # This is the root, so the parent is None
 
2081
                        target_parent_id = None
 
2082
                    else:
 
2083
                        last_target_parent[0] = new_dirname
 
2084
                        last_target_parent[1] = target_parent_id
 
2085
 
 
2086
                source_exec = source_details[3]
 
2087
                if (include_unchanged
 
2088
                    or content_change
 
2089
                    or source_parent_id != target_parent_id
 
2090
                    or old_basename != entry[0][1]
 
2091
                    or source_exec != target_exec
 
2092
                    ):
 
2093
                    if old_path is None:
 
2094
                        old_path = path = pathjoin(old_dirname, old_basename)
 
2095
                        old_path_u = utf8_decode(old_path)[0]
 
2096
                        path_u = old_path_u
 
2097
                    else:
 
2098
                        old_path_u = utf8_decode(old_path)[0]
 
2099
                        if old_path == path:
 
2100
                            path_u = old_path_u
 
2101
                        else:
 
2102
                            path_u = utf8_decode(path)[0]
 
2103
                    source_kind = _minikind_to_kind[source_minikind]
 
2104
                    return (entry[0][2],
 
2105
                           (old_path_u, path_u),
 
2106
                           content_change,
 
2107
                           (True, True),
 
2108
                           (source_parent_id, target_parent_id),
 
2109
                           (utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
 
2110
                           (source_kind, target_kind),
 
2111
                           (source_exec, target_exec))
 
2112
                else:
 
2113
                    return uninteresting
 
2114
            elif source_minikind in 'a' and target_minikind in 'fdlt':
 
2115
                # looks like a new file
 
2116
                if path_info is not None:
 
2117
                    path = pathjoin(entry[0][0], entry[0][1])
 
2118
                    # parent id is the entry for the path in the target tree
 
2119
                    # TODO: these are the same for an entire directory: cache em.
 
2120
                    parent_id = state._get_entry(target_index,
 
2121
                                                 path_utf8=entry[0][0])[0][2]
 
2122
                    if parent_id == entry[0][2]:
 
2123
                        parent_id = None
 
2124
                    if use_filesystem_for_exec:
 
2125
                        # We need S_ISREG here, because we aren't sure if this
 
2126
                        # is a file or not.
 
2127
                        target_exec = bool(
 
2128
                            stat.S_ISREG(path_info[3].st_mode)
 
2129
                            and stat.S_IEXEC & path_info[3].st_mode)
 
2130
                    else:
 
2131
                        target_exec = target_details[3]
 
2132
                    return (entry[0][2],
 
2133
                           (None, utf8_decode(path)[0]),
 
2134
                           True,
 
2135
                           (False, True),
 
2136
                           (None, parent_id),
 
2137
                           (None, utf8_decode(entry[0][1])[0]),
 
2138
                           (None, path_info[2]),
 
2139
                           (None, target_exec))
 
2140
                else:
 
2141
                    # but its not on disk: we deliberately treat this as just
 
2142
                    # never-present. (Why ?! - RBC 20070224)
 
2143
                    pass
 
2144
            elif source_minikind in 'fdlt' and target_minikind in 'a':
 
2145
                # unversioned, possibly, or possibly not deleted: we dont care.
 
2146
                # if its still on disk, *and* theres no other entry at this
 
2147
                # path [we dont know this in this routine at the moment -
 
2148
                # perhaps we should change this - then it would be an unknown.
 
2149
                old_path = pathjoin(entry[0][0], entry[0][1])
 
2150
                # parent id is the entry for the path in the target tree
 
2151
                parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
 
2152
                if parent_id == entry[0][2]:
 
2153
                    parent_id = None
 
2154
                return (entry[0][2],
 
2155
                       (utf8_decode(old_path)[0], None),
 
2156
                       True,
 
2157
                       (True, False),
 
2158
                       (parent_id, None),
 
2159
                       (utf8_decode(entry[0][1])[0], None),
 
2160
                       (_minikind_to_kind[source_minikind], None),
 
2161
                       (source_details[3], None))
 
2162
            elif source_minikind in 'fdlt' and target_minikind in 'r':
 
2163
                # a rename; could be a true rename, or a rename inherited from
 
2164
                # a renamed parent. TODO: handle this efficiently. Its not
 
2165
                # common case to rename dirs though, so a correct but slow
 
2166
                # implementation will do.
 
2167
                if not osutils.is_inside_any(searched_specific_files, target_details[1]):
 
2168
                    search_specific_files.add(target_details[1])
 
2169
            elif source_minikind in 'ra' and target_minikind in 'ra':
 
2170
                # neither of the selected trees contain this file,
 
2171
                # so skip over it. This is not currently directly tested, but
 
2172
                # is indirectly via test_too_much.TestCommands.test_conflicts.
 
2173
                pass
 
2174
            else:
 
2175
                raise AssertionError("don't know how to compare "
 
2176
                    "source_minikind=%r, target_minikind=%r"
 
2177
                    % (source_minikind, target_minikind))
 
2178
                ## import pdb;pdb.set_trace()
 
2179
            return None
 
2180
 
 
2181
        while search_specific_files:
 
2182
            # TODO: the pending list should be lexically sorted?  the
 
2183
            # interface doesn't require it.
 
2184
            current_root = search_specific_files.pop()
 
2185
            current_root_unicode = current_root.decode('utf8')
 
2186
            searched_specific_files.add(current_root)
 
2187
            # process the entries for this containing directory: the rest will be
 
2188
            # found by their parents recursively.
 
2189
            root_entries = _entries_for_path(current_root)
 
2190
            root_abspath = self.target.abspath(current_root_unicode)
 
2191
            try:
 
2192
                root_stat = os.lstat(root_abspath)
 
2193
            except OSError, e:
 
2194
                if e.errno == errno.ENOENT:
 
2195
                    # the path does not exist: let _process_entry know that.
 
2196
                    root_dir_info = None
 
2197
                else:
 
2198
                    # some other random error: hand it up.
 
2199
                    raise
 
2200
            else:
 
2201
                root_dir_info = ('', current_root,
 
2202
                    osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
 
2203
                    root_abspath)
 
2204
                if root_dir_info[2] == 'directory':
 
2205
                    if self.target._directory_is_tree_reference(
 
2206
                        current_root.decode('utf8')):
 
2207
                        root_dir_info = root_dir_info[:2] + \
 
2208
                            ('tree-reference',) + root_dir_info[3:]
 
2209
 
 
2210
            if not root_entries and not root_dir_info:
 
2211
                # this specified path is not present at all, skip it.
 
2212
                continue
 
2213
            path_handled = False
 
2214
            for entry in root_entries:
 
2215
                result = _process_entry(entry, root_dir_info)
 
2216
                if result is not None:
 
2217
                    path_handled = True
 
2218
                    if result is not uninteresting:
 
2219
                        yield result
 
2220
            if want_unversioned and not path_handled and root_dir_info:
 
2221
                new_executable = bool(
 
2222
                    stat.S_ISREG(root_dir_info[3].st_mode)
 
2223
                    and stat.S_IEXEC & root_dir_info[3].st_mode)
 
2224
                yield (None,
 
2225
                       (None, current_root_unicode),
 
2226
                       True,
 
2227
                       (False, False),
 
2228
                       (None, None),
 
2229
                       (None, splitpath(current_root_unicode)[-1]),
 
2230
                       (None, root_dir_info[2]),
 
2231
                       (None, new_executable)
 
2232
                      )
 
2233
            initial_key = (current_root, '', '')
 
2234
            block_index, _ = state._find_block_index_from_key(initial_key)
 
2235
            if block_index == 0:
 
2236
                # we have processed the total root already, but because the
 
2237
                # initial key matched it we should skip it here.
 
2238
                block_index +=1
 
2239
            if root_dir_info and root_dir_info[2] == 'tree-reference':
 
2240
                current_dir_info = None
 
2241
            else:
 
2242
                dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
 
2243
                try:
 
2244
                    current_dir_info = dir_iterator.next()
 
2245
                except OSError, e:
 
2246
                    # on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
 
2247
                    # python 2.5 has e.errno == EINVAL,
 
2248
                    #            and e.winerror == ERROR_DIRECTORY
 
2249
                    e_winerror = getattr(e, 'winerror', None)
 
2250
                    win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
 
2251
                    # there may be directories in the inventory even though
 
2252
                    # this path is not a file on disk: so mark it as end of
 
2253
                    # iterator
 
2254
                    if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
 
2255
                        current_dir_info = None
 
2256
                    elif (sys.platform == 'win32'
 
2257
                          and (e.errno in win_errors
 
2258
                               or e_winerror in win_errors)):
 
2259
                        current_dir_info = None
 
2260
                    else:
 
2261
                        raise
 
2262
                else:
 
2263
                    if current_dir_info[0][0] == '':
 
2264
                        # remove .bzr from iteration
 
2265
                        bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
 
2266
                        assert current_dir_info[1][bzr_index][0] == '.bzr'
 
2267
                        del current_dir_info[1][bzr_index]
 
2268
            # walk until both the directory listing and the versioned metadata
 
2269
            # are exhausted. 
 
2270
            if (block_index < len(state._dirblocks) and
 
2271
                osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2272
                current_block = state._dirblocks[block_index]
 
2273
            else:
 
2274
                current_block = None
 
2275
            while (current_dir_info is not None or
 
2276
                   current_block is not None):
 
2277
                if (current_dir_info and current_block
 
2278
                    and current_dir_info[0][0] != current_block[0]):
 
2279
                    if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
 
2280
                        # filesystem data refers to paths not covered by the dirblock.
 
2281
                        # this has two possibilities:
 
2282
                        # A) it is versioned but empty, so there is no block for it
 
2283
                        # B) it is not versioned.
 
2284
 
 
2285
                        # if (A) then we need to recurse into it to check for
 
2286
                        # new unknown files or directories.
 
2287
                        # if (B) then we should ignore it, because we don't
 
2288
                        # recurse into unknown directories.
 
2289
                        path_index = 0
 
2290
                        while path_index < len(current_dir_info[1]):
 
2291
                                current_path_info = current_dir_info[1][path_index]
 
2292
                                if want_unversioned:
 
2293
                                    if current_path_info[2] == 'directory':
 
2294
                                        if self.target._directory_is_tree_reference(
 
2295
                                            current_path_info[0].decode('utf8')):
 
2296
                                            current_path_info = current_path_info[:2] + \
 
2297
                                                ('tree-reference',) + current_path_info[3:]
 
2298
                                    new_executable = bool(
 
2299
                                        stat.S_ISREG(current_path_info[3].st_mode)
 
2300
                                        and stat.S_IEXEC & current_path_info[3].st_mode)
 
2301
                                    yield (None,
 
2302
                                        (None, utf8_decode(current_path_info[0])[0]),
 
2303
                                        True,
 
2304
                                        (False, False),
 
2305
                                        (None, None),
 
2306
                                        (None, utf8_decode(current_path_info[1])[0]),
 
2307
                                        (None, current_path_info[2]),
 
2308
                                        (None, new_executable))
 
2309
                                # dont descend into this unversioned path if it is
 
2310
                                # a dir
 
2311
                                if current_path_info[2] in ('directory',
 
2312
                                                            'tree-reference'):
 
2313
                                    del current_dir_info[1][path_index]
 
2314
                                    path_index -= 1
 
2315
                                path_index += 1
 
2316
 
 
2317
                        # This dir info has been handled, go to the next
 
2318
                        try:
 
2319
                            current_dir_info = dir_iterator.next()
 
2320
                        except StopIteration:
 
2321
                            current_dir_info = None
 
2322
                    else:
 
2323
                        # We have a dirblock entry for this location, but there
 
2324
                        # is no filesystem path for this. This is most likely
 
2325
                        # because a directory was removed from the disk.
 
2326
                        # We don't have to report the missing directory,
 
2327
                        # because that should have already been handled, but we
 
2328
                        # need to handle all of the files that are contained
 
2329
                        # within.
 
2330
                        for current_entry in current_block[1]:
 
2331
                            # entry referring to file not present on disk.
 
2332
                            # advance the entry only, after processing.
 
2333
                            result = _process_entry(current_entry, None)
 
2334
                            if result is not None:
 
2335
                                if result is not uninteresting:
 
2336
                                    yield result
 
2337
                        block_index +=1
 
2338
                        if (block_index < len(state._dirblocks) and
 
2339
                            osutils.is_inside(current_root,
 
2340
                                              state._dirblocks[block_index][0])):
 
2341
                            current_block = state._dirblocks[block_index]
 
2342
                        else:
 
2343
                            current_block = None
 
2344
                    continue
 
2345
                entry_index = 0
 
2346
                if current_block and entry_index < len(current_block[1]):
 
2347
                    current_entry = current_block[1][entry_index]
 
2348
                else:
 
2349
                    current_entry = None
 
2350
                advance_entry = True
 
2351
                path_index = 0
 
2352
                if current_dir_info and path_index < len(current_dir_info[1]):
 
2353
                    current_path_info = current_dir_info[1][path_index]
 
2354
                    if current_path_info[2] == 'directory':
 
2355
                        if self.target._directory_is_tree_reference(
 
2356
                            current_path_info[0].decode('utf8')):
 
2357
                            current_path_info = current_path_info[:2] + \
 
2358
                                ('tree-reference',) + current_path_info[3:]
 
2359
                else:
 
2360
                    current_path_info = None
 
2361
                advance_path = True
 
2362
                path_handled = False
 
2363
                while (current_entry is not None or
 
2364
                    current_path_info is not None):
 
2365
                    if current_entry is None:
 
2366
                        # the check for path_handled when the path is adnvaced
 
2367
                        # will yield this path if needed.
 
2368
                        pass
 
2369
                    elif current_path_info is None:
 
2370
                        # no path is fine: the per entry code will handle it.
 
2371
                        result = _process_entry(current_entry, current_path_info)
 
2372
                        if result is not None:
 
2373
                            if result is not uninteresting:
 
2374
                                yield result
 
2375
                    elif (current_entry[0][1] != current_path_info[1]
 
2376
                          or current_entry[1][target_index][0] in 'ar'):
 
2377
                        # The current path on disk doesn't match the dirblock
 
2378
                        # record. Either the dirblock is marked as absent, or
 
2379
                        # the file on disk is not present at all in the
 
2380
                        # dirblock. Either way, report about the dirblock
 
2381
                        # entry, and let other code handle the filesystem one.
 
2382
 
 
2383
                        # Compare the basename for these files to determine
 
2384
                        # which comes first
 
2385
                        if current_path_info[1] < current_entry[0][1]:
 
2386
                            # extra file on disk: pass for now, but only
 
2387
                            # increment the path, not the entry
 
2388
                            advance_entry = False
 
2389
                        else:
 
2390
                            # entry referring to file not present on disk.
 
2391
                            # advance the entry only, after processing.
 
2392
                            result = _process_entry(current_entry, None)
 
2393
                            if result is not None:
 
2394
                                if result is not uninteresting:
 
2395
                                    yield result
 
2396
                            advance_path = False
 
2397
                    else:
 
2398
                        result = _process_entry(current_entry, current_path_info)
 
2399
                        if result is not None:
 
2400
                            path_handled = True
 
2401
                            if result is not uninteresting:
 
2402
                                yield result
 
2403
                    if advance_entry and current_entry is not None:
 
2404
                        entry_index += 1
 
2405
                        if entry_index < len(current_block[1]):
 
2406
                            current_entry = current_block[1][entry_index]
 
2407
                        else:
 
2408
                            current_entry = None
 
2409
                    else:
 
2410
                        advance_entry = True # reset the advance flaga
 
2411
                    if advance_path and current_path_info is not None:
 
2412
                        if not path_handled:
 
2413
                            # unversioned in all regards
 
2414
                            if want_unversioned:
 
2415
                                new_executable = bool(
 
2416
                                    stat.S_ISREG(current_path_info[3].st_mode)
 
2417
                                    and stat.S_IEXEC & current_path_info[3].st_mode)
 
2418
                                yield (None,
 
2419
                                    (None, utf8_decode(current_path_info[0])[0]),
 
2420
                                    True,
 
2421
                                    (False, False),
 
2422
                                    (None, None),
 
2423
                                    (None, utf8_decode(current_path_info[1])[0]),
 
2424
                                    (None, current_path_info[2]),
 
2425
                                    (None, new_executable))
 
2426
                            # dont descend into this unversioned path if it is
 
2427
                            # a dir
 
2428
                            if current_path_info[2] in ('directory'):
 
2429
                                del current_dir_info[1][path_index]
 
2430
                                path_index -= 1
 
2431
                        # dont descend the disk iterator into any tree 
 
2432
                        # paths.
 
2433
                        if current_path_info[2] == 'tree-reference':
 
2434
                            del current_dir_info[1][path_index]
 
2435
                            path_index -= 1
 
2436
                        path_index += 1
 
2437
                        if path_index < len(current_dir_info[1]):
 
2438
                            current_path_info = current_dir_info[1][path_index]
 
2439
                            if current_path_info[2] == 'directory':
 
2440
                                if self.target._directory_is_tree_reference(
 
2441
                                    current_path_info[0].decode('utf8')):
 
2442
                                    current_path_info = current_path_info[:2] + \
 
2443
                                        ('tree-reference',) + current_path_info[3:]
 
2444
                        else:
 
2445
                            current_path_info = None
 
2446
                        path_handled = False
 
2447
                    else:
 
2448
                        advance_path = True # reset the advance flagg.
 
2449
                if current_block is not None:
 
2450
                    block_index += 1
 
2451
                    if (block_index < len(state._dirblocks) and
 
2452
                        osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2453
                        current_block = state._dirblocks[block_index]
 
2454
                    else:
 
2455
                        current_block = None
 
2456
                if current_dir_info is not None:
 
2457
                    try:
 
2458
                        current_dir_info = dir_iterator.next()
 
2459
                    except StopIteration:
 
2460
                        current_dir_info = None
 
2461
 
2116
2462
 
2117
2463
    @staticmethod
2118
2464
    def is_compatible(source, target):
2119
2465
        # the target must be a dirstate working tree
2120
 
        if not isinstance(target, DirStateWorkingTree):
 
2466
        if not isinstance(target, WorkingTree4):
2121
2467
            return False
2122
 
        # the source must be a revtree or dirstate rev tree.
 
2468
        # the source must be a revtreee or dirstate rev tree.
2123
2469
        if not isinstance(source,
2124
2470
            (revisiontree.RevisionTree, DirStateRevisionTree)):
2125
2471
            return False
2126
2472
        # the source revid must be in the target dirstate
2127
 
        if not (source._revision_id == _mod_revision.NULL_REVISION or
 
2473
        if not (source._revision_id == NULL_REVISION or
2128
2474
            source._revision_id in target.get_parent_ids()):
2129
 
            # TODO: what about ghosts? it may well need to
 
2475
            # TODO: what about ghosts? it may well need to 
2130
2476
            # check for them explicitly.
2131
2477
            return False
2132
2478
        return True
2142
2488
 
2143
2489
    def convert(self, tree):
2144
2490
        # lock the control files not the tree, so that we dont get tree
2145
 
        # on-unlock behaviours, and so that noone else diddles with the
 
2491
        # on-unlock behaviours, and so that noone else diddles with the 
2146
2492
        # tree during upgrade.
2147
2493
        tree._control_files.lock_write()
2148
2494
        try:
2174
2520
 
2175
2521
    def update_format(self, tree):
2176
2522
        """Change the format marker."""
2177
 
        tree._transport.put_bytes('format',
2178
 
            self.target_format.get_format_string(),
2179
 
            mode=tree.bzrdir._get_file_mode())
2180
 
 
2181
 
 
2182
 
class Converter4to5(object):
2183
 
    """Perform an in-place upgrade of format 4 to format 5 trees."""
2184
 
 
2185
 
    def __init__(self):
2186
 
        self.target_format = WorkingTreeFormat5()
2187
 
 
2188
 
    def convert(self, tree):
2189
 
        # lock the control files not the tree, so that we don't get tree
2190
 
        # on-unlock behaviours, and so that no-one else diddles with the
2191
 
        # tree during upgrade.
2192
 
        tree._control_files.lock_write()
2193
 
        try:
2194
 
            self.update_format(tree)
2195
 
        finally:
2196
 
            tree._control_files.unlock()
2197
 
 
2198
 
    def update_format(self, tree):
2199
 
        """Change the format marker."""
2200
 
        tree._transport.put_bytes('format',
2201
 
            self.target_format.get_format_string(),
2202
 
            mode=tree.bzrdir._get_file_mode())
2203
 
 
2204
 
 
2205
 
class Converter4or5to6(object):
2206
 
    """Perform an in-place upgrade of format 4 or 5 to format 6 trees."""
2207
 
 
2208
 
    def __init__(self):
2209
 
        self.target_format = WorkingTreeFormat6()
2210
 
 
2211
 
    def convert(self, tree):
2212
 
        # lock the control files not the tree, so that we don't get tree
2213
 
        # on-unlock behaviours, and so that no-one else diddles with the
2214
 
        # tree during upgrade.
2215
 
        tree._control_files.lock_write()
2216
 
        try:
2217
 
            self.init_custom_control_files(tree)
2218
 
            self.update_format(tree)
2219
 
        finally:
2220
 
            tree._control_files.unlock()
2221
 
 
2222
 
    def init_custom_control_files(self, tree):
2223
 
        """Initialize custom control files."""
2224
 
        tree._transport.put_bytes('views', '',
2225
 
            mode=tree.bzrdir._get_file_mode())
2226
 
 
2227
 
    def update_format(self, tree):
2228
 
        """Change the format marker."""
2229
 
        tree._transport.put_bytes('format',
2230
 
            self.target_format.get_format_string(),
2231
 
            mode=tree.bzrdir._get_file_mode())
 
2523
        tree._control_files.put_utf8('format',
 
2524
            self.target_format.get_format_string())