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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-01-11 07:06:36 UTC
  • mfrom: (3172.2.1 remote-fetch-formats)
  • Revision ID: pqm@pqm.ubuntu.com-20080111070636-jhozu5eo7wvh1k0o
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# 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."
480
500
            mode = os.lstat(self.abspath(path)).st_mode
481
501
            return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
482
502
 
483
 
    def all_file_ids(self):
484
 
        """See Tree.iter_all_file_ids"""
485
 
        self._must_be_locked()
486
 
        result = set()
487
 
        for key, tree_details in self.current_dirstate()._iter_entries():
488
 
            if tree_details[0][0] in ('a', 'r'): # relocated
489
 
                continue
490
 
            result.add(key[2])
491
 
        return result
492
 
 
493
503
    @needs_read_lock
494
504
    def __iter__(self):
495
505
        """Iterate through file_ids for this tree.
508
518
        return iter(result)
509
519
 
510
520
    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
521
        for key, tree_details in self.current_dirstate()._iter_entries():
516
522
            if tree_details[0][0] in ('a', 'r'): # absent, relocated
517
523
                # not relevant to the working tree
519
525
            if not key[1]:
520
526
                # the root is not a reference.
521
527
                continue
522
 
            relpath = pathjoin(key[0].decode('utf8'), key[1].decode('utf8'))
 
528
            path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
523
529
            try:
524
 
                if self._kind(relpath) == 'tree-reference':
525
 
                    yield relpath, key[2]
 
530
                if self._kind(path) == 'tree-reference':
 
531
                    yield path, key[2]
526
532
            except errors.NoSuchFile:
527
533
                # path is missing on disk.
528
534
                continue
529
535
 
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
536
    def kind(self, file_id):
537
537
        """Return the kind of a file.
538
538
 
542
542
        Note: The caller is expected to take a read-lock before calling this.
543
543
        """
544
544
        relpath = self.id2path(file_id)
545
 
        if relpath is None:
546
 
            raise AssertionError(
547
 
                "path for id {%s} is None!" % file_id)
 
545
        assert relpath != None, \
 
546
            "path for id {%s} is None!" % file_id
548
547
        return self._kind(relpath)
549
548
 
550
549
    def _kind(self, relpath):
551
550
        abspath = self.abspath(relpath)
552
551
        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'
 
552
        if (self._repo_supports_tree_reference and
 
553
            kind == 'directory' and
 
554
            self._directory_is_tree_reference(relpath)):
 
555
            kind = 'tree-reference'
558
556
        return kind
559
557
 
560
558
    @needs_read_lock
567
565
            return _mod_revision.NULL_REVISION
568
566
 
569
567
    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
 
        """
 
568
        """See Branch.lock_read, and WorkingTree.unlock."""
575
569
        self.branch.lock_read()
576
570
        try:
577
571
            self._control_files.lock_read()
590
584
        except:
591
585
            self.branch.unlock()
592
586
            raise
593
 
        return self
594
587
 
595
588
    def _lock_self_write(self):
596
589
        """This should be called after the branch is locked."""
611
604
        except:
612
605
            self.branch.unlock()
613
606
            raise
614
 
        return self
615
607
 
616
608
    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
 
        """
 
609
        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
622
610
        self.branch.lock_read()
623
 
        return self._lock_self_write()
 
611
        self._lock_self_write()
624
612
 
625
613
    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
 
        """
 
614
        """See MutableTree.lock_write, and WorkingTree.unlock."""
631
615
        self.branch.lock_write()
632
 
        return self._lock_self_write()
 
616
        self._lock_self_write()
633
617
 
634
618
    @needs_tree_write_lock
635
619
    def move(self, from_paths, to_dir, after=False):
637
621
        result = []
638
622
        if not from_paths:
639
623
            return result
 
624
 
640
625
        state = self.current_dirstate()
641
 
        if isinstance(from_paths, basestring):
642
 
            raise ValueError()
 
626
 
 
627
        assert not isinstance(from_paths, basestring)
643
628
        to_dir_utf8 = to_dir.encode('utf8')
644
629
        to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
645
630
        id_index = state._get_id_index()
667
652
        if self._inventory is not None:
668
653
            update_inventory = True
669
654
            inv = self.inventory
 
655
            to_dir_ie = inv[to_dir_id]
670
656
            to_dir_id = to_entry[0][2]
671
 
            to_dir_ie = inv[to_dir_id]
672
657
        else:
673
658
            update_inventory = False
674
659
 
705
690
            from_entry = self._get_entry(path=from_rel)
706
691
            if from_entry == (None, None):
707
692
                raise errors.BzrMoveFailedError(from_rel,to_dir,
708
 
                    errors.NotVersionedError(path=from_rel))
 
693
                    errors.NotVersionedError(path=str(from_rel)))
709
694
 
710
695
            from_id = from_entry[0][2]
711
696
            to_rel = pathjoin(to_dir, from_tail)
800
785
                if minikind == 'd':
801
786
                    def update_dirblock(from_dir, to_key, to_dir_utf8):
802
787
                        """Recursively update all entries in this dirblock."""
803
 
                        if from_dir == '':
804
 
                            raise AssertionError("renaming root not supported")
 
788
                        assert from_dir != '', "renaming root not supported"
805
789
                        from_key = (from_dir, '')
806
790
                        from_block_idx, present = \
807
791
                            state._find_block_index_from_key(from_key)
820
804
 
821
805
                        # Grab a copy since move_one may update the list.
822
806
                        for entry in from_block[1][:]:
823
 
                            if not (entry[0][0] == from_dir):
824
 
                                raise AssertionError()
 
807
                            assert entry[0][0] == from_dir
825
808
                            cur_details = entry[1][0]
826
809
                            to_key = (to_dir_utf8, entry[0][1], entry[0][2])
827
810
                            from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
886
869
        for tree in trees:
887
870
            if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
888
871
                parents):
889
 
                return super(DirStateWorkingTree, self).paths2ids(paths,
890
 
                    trees, require_versioned)
 
872
                return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
891
873
        search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
892
874
        # -- make all paths utf8 --
893
875
        paths_utf8 = set()
954
936
                raise errors.PathsNotVersionedError(paths)
955
937
        # -- remove redundancy in supplied paths to prevent over-scanning --
956
938
        search_paths = osutils.minimum_path_selection(paths)
957
 
        # sketch:
 
939
        # sketch: 
958
940
        # for all search_indexs in each path at or under each element of
959
941
        # search_paths, if the detail is relocated: add the id, and add the
960
942
        # relocated path as one to search if its not searched already. If the
1016
998
 
1017
999
    def read_working_inventory(self):
1018
1000
        """Read the working inventory.
1019
 
 
 
1001
        
1020
1002
        This is a meaningless operation for dirstate, but we obey it anyhow.
1021
1003
        """
1022
1004
        return self.inventory
1040
1022
    def set_last_revision(self, new_revision):
1041
1023
        """Change the last revision in the working tree."""
1042
1024
        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.")
 
1025
        if new_revision in (NULL_REVISION, None):
 
1026
            assert len(parents) < 2, (
 
1027
                "setting the last parent to none with a pending merge is "
 
1028
                "unsupported.")
1048
1029
            self.set_parent_ids([])
1049
1030
        else:
1050
1031
            self.set_parent_ids([new_revision] + parents[1:],
1053
1034
    @needs_tree_write_lock
1054
1035
    def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1055
1036
        """Set the parent ids to revision_ids.
1056
 
 
 
1037
        
1057
1038
        See also set_parent_trees. This api will try to retrieve the tree data
1058
1039
        for each element of revision_ids from the trees repository. If you have
1059
1040
        tree data already available, it is more efficient to use
1091
1072
                raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1092
1073
        real_trees = []
1093
1074
        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
1075
        # convert absent trees to the null tree, which we convert back to
1101
1076
        # missing on access.
1102
1077
        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
1078
            _mod_revision.check_not_reserved_id(rev_id)
1110
1079
            if tree is not None:
1111
1080
                real_trees.append((rev_id, tree))
1112
1081
            else:
1113
1082
                real_trees.append((rev_id,
1114
 
                    self.branch.repository.revision_tree(
1115
 
                        _mod_revision.NULL_REVISION)))
 
1083
                    self.branch.repository.revision_tree(None)))
1116
1084
                ghosts.append(rev_id)
1117
 
            accepted_revisions.add(rev_id)
1118
1085
        dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1119
1086
        self._make_dirty(reset_inventory=False)
1120
1087
 
1213
1180
                # just forget the whole block.
1214
1181
                entry_index = 0
1215
1182
                while entry_index < len(block[1]):
 
1183
                    # Mark this file id as having been removed
1216
1184
                    entry = block[1][entry_index]
1217
 
                    if entry[1][0][0] in 'ar':
1218
 
                        # don't remove absent or renamed entries
 
1185
                    ids_to_unversion.discard(entry[0][2])
 
1186
                    if (entry[1][0][0] in 'ar' # don't remove absent or renamed
 
1187
                                               # entries
 
1188
                        or not state._make_absent(entry)):
1219
1189
                        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
1190
                # go to the next block. (At the moment we dont delete empty
1227
1191
                # dirblocks)
1228
1192
                block_index += 1
1251
1215
            for file_id in file_ids:
1252
1216
                self._inventory.remove_recursive_id(file_id)
1253
1217
 
1254
 
    @needs_tree_write_lock
1255
 
    def rename_one(self, from_rel, to_rel, after=False):
1256
 
        """See WorkingTree.rename_one"""
1257
 
        self.flush()
1258
 
        WorkingTree.rename_one(self, from_rel, to_rel, after)
1259
 
 
1260
 
    @needs_tree_write_lock
1261
 
    def apply_inventory_delta(self, changes):
1262
 
        """See MutableTree.apply_inventory_delta"""
1263
 
        state = self.current_dirstate()
1264
 
        state.update_by_delta(changes)
1265
 
        self._make_dirty(reset_inventory=True)
1266
 
 
1267
1218
    def update_basis_by_delta(self, new_revid, delta):
1268
1219
        """See MutableTree.update_basis_by_delta."""
1269
 
        if self.last_revision() == new_revid:
1270
 
            raise AssertionError()
 
1220
        assert self.last_revision() != new_revid
1271
1221
        self.current_dirstate().update_basis_by_delta(delta, new_revid)
1272
1222
 
1273
1223
    @needs_read_lock
1277
1227
    @needs_tree_write_lock
1278
1228
    def _write_inventory(self, inv):
1279
1229
        """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:
 
1230
        assert not self._dirty, ("attempting to write an inventory when the "
 
1231
            "dirstate is dirty will cause data loss")
 
1232
        self.current_dirstate().set_state_from_inventory(inv)
 
1233
        self._make_dirty(reset_inventory=False)
 
1234
        if self._inventory is not None:
1294
1235
            self._inventory = inv
1295
1236
        self.flush()
1296
1237
 
1297
1238
 
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):
 
1239
class WorkingTreeFormat4(WorkingTreeFormat3):
 
1240
    """The first consolidated dirstate working tree format.
 
1241
 
 
1242
    This format:
 
1243
        - exists within a metadir controlling .bzr
 
1244
        - includes an explicit version marker for the workingtree control
 
1245
          files, separate from the BzrDir format
 
1246
        - modifies the hash cache format
 
1247
        - is new in bzr 0.15
 
1248
        - uses a LockDir to guard access to it.
 
1249
    """
 
1250
 
 
1251
    upgrade_recommended = False
 
1252
 
 
1253
    def get_format_string(self):
 
1254
        """See WorkingTreeFormat.get_format_string()."""
 
1255
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
 
1256
 
 
1257
    def get_format_description(self):
 
1258
        """See WorkingTreeFormat.get_format_description()."""
 
1259
        return "Working tree format 4"
1388
1260
 
1389
1261
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1390
 
                   accelerator_tree=None, hardlink=False):
 
1262
                   accelerator_tree=None):
1391
1263
        """See WorkingTreeFormat.initialize().
1392
1264
 
1393
1265
        :param revision_id: allows creating a working tree at a different
1396
1268
            contents more quickly than the revision tree, i.e. a workingtree.
1397
1269
            The revision tree will be used for cases where accelerator_tree's
1398
1270
            content is different.
1399
 
        :param hardlink: If true, hard-link files from accelerator_tree,
1400
 
            where possible.
1401
1271
 
1402
1272
        These trees get an initial random root id, if their repository supports
1403
1273
        rich root data, TREE_ROOT otherwise.
1408
1278
        control_files = self._open_control_files(a_bzrdir)
1409
1279
        control_files.create_lock()
1410
1280
        control_files.lock_write()
1411
 
        transport.put_bytes('format', self.get_format_string(),
1412
 
            mode=a_bzrdir._get_file_mode())
 
1281
        control_files.put_utf8('format', self.get_format_string())
1413
1282
        if from_branch is not None:
1414
1283
            branch = from_branch
1415
1284
        else:
1421
1290
        state = dirstate.DirState.initialize(local_path)
1422
1291
        state.unlock()
1423
1292
        del state
1424
 
        wt = self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1293
        wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1425
1294
                         branch,
1426
1295
                         _format=self,
1427
1296
                         _bzrdir=a_bzrdir,
1429
1298
        wt._new_tree()
1430
1299
        wt.lock_tree_write()
1431
1300
        try:
1432
 
            self._init_custom_control_files(wt)
1433
 
            if revision_id in (None, _mod_revision.NULL_REVISION):
 
1301
            if revision_id in (None, NULL_REVISION):
1434
1302
                if branch.repository.supports_rich_root():
1435
1303
                    wt._set_root_id(generate_ids.gen_root_id())
1436
1304
                else:
1447
1315
                    pass
1448
1316
            if basis is None:
1449
1317
                basis = branch.repository.revision_tree(revision_id)
1450
 
            if revision_id == _mod_revision.NULL_REVISION:
 
1318
            if revision_id == NULL_REVISION:
1451
1319
                parents_list = []
1452
1320
            else:
1453
1321
                parents_list = [(revision_id, basis)]
1454
1322
            basis.lock_read()
1455
 
            try:
1456
 
                wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
 
1323
            wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
 
1324
            wt.flush()
 
1325
            # if the basis has a root id we have to use that; otherwise we use
 
1326
            # a new random one
 
1327
            basis_root_id = basis.get_root_id()
 
1328
            if basis_root_id is not None:
 
1329
                wt._set_root_id(basis_root_id)
1457
1330
                wt.flush()
1458
 
                # if the basis has a root id we have to use that; otherwise we
1459
 
                # use a new random one
1460
 
                basis_root_id = basis.get_root_id()
1461
 
                if basis_root_id is not None:
1462
 
                    wt._set_root_id(basis_root_id)
1463
 
                    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
 
                transform.build_tree(basis, wt, accelerator_tree,
1475
 
                                     hardlink=hardlink,
1476
 
                                     delta_from_tree=delta_from_tree)
1477
 
            finally:
1478
 
                basis.unlock()
 
1331
            transform.build_tree(basis, wt, accelerator_tree)
 
1332
            basis.unlock()
1479
1333
        finally:
1480
1334
            control_files.unlock()
1481
1335
            wt.unlock()
1482
1336
        return wt
1483
1337
 
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
1338
    def _open(self, a_bzrdir, control_files):
1494
1339
        """Open the tree itself.
1495
1340
 
1496
1341
        :param a_bzrdir: the dir for the tree.
1497
1342
        :param control_files: the control files for the tree.
1498
1343
        """
1499
 
        return self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1344
        return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1500
1345
                           branch=a_bzrdir.open_branch(),
1501
1346
                           _format=self,
1502
1347
                           _bzrdir=a_bzrdir,
1503
1348
                           _control_files=control_files)
1504
1349
 
1505
1350
    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
1351
        # please test against something that will let us do tree references
1511
1352
        return bzrdir.format_registry.make_bzrdir(
1512
1353
            'dirstate-with-subtree')
1514
1355
    _matchingbzrdir = property(__get_matchingbzrdir)
1515
1356
 
1516
1357
 
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
1358
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
 
    """
 
1359
    """A revision tree pulling the inventory from a dirstate."""
1595
1360
 
1596
1361
    def __init__(self, dirstate, revision_id, repository):
1597
1362
        self._dirstate = dirstate
1600
1365
        self._inventory = None
1601
1366
        self._locked = 0
1602
1367
        self._dirstate_locked = False
1603
 
        self._repo_supports_tree_reference = getattr(
1604
 
            repository._format, "supports_tree_reference",
1605
 
            False)
1606
1368
 
1607
1369
    def __repr__(self):
1608
1370
        return "<%s of %s in %s>" % \
1611
1373
    def annotate_iter(self, file_id,
1612
1374
                      default_revision=_mod_revision.CURRENT_REVISION):
1613
1375
        """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]
 
1376
        w = self._get_weave(file_id)
 
1377
        return w.annotate_iter(self.inventory[file_id].revision)
1617
1378
 
1618
1379
    def _get_ancestors(self, default_revision):
1619
1380
        return set(self._repository.get_ancestry(self._revision_id,
1648
1409
        path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1649
1410
        return path_utf8.decode('utf8')
1650
1411
 
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
1412
    def _get_parent_index(self):
1660
1413
        """Return the index in the dirstate referenced by this tree."""
1661
1414
        return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1666
1419
        If either file_id or path is supplied, it is used as the key to lookup.
1667
1420
        If both are supplied, the fastest lookup is used, and an error is
1668
1421
        raised if they do not both point at the same row.
1669
 
 
 
1422
        
1670
1423
        :param file_id: An optional unicode file_id to be looked up.
1671
1424
        :param path: An optional unicode path to be looked up.
1672
1425
        :return: The dirstate row tuple for path/file_id, or (None, None)
1686
1439
 
1687
1440
        This is relatively expensive: we have to walk the entire dirstate.
1688
1441
        """
1689
 
        if not self._locked:
1690
 
            raise AssertionError(
1691
 
                'cannot generate inventory of an unlocked '
1692
 
                'dirstate revision tree')
 
1442
        assert self._locked, 'cannot generate inventory of an unlocked '\
 
1443
            'dirstate revision tree'
1693
1444
        # separate call for profiling - makes it clear where the costs are.
1694
1445
        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()))
 
1446
        assert self._revision_id in self._dirstate.get_parent_ids(), \
 
1447
            'parent %s has disappeared from %s' % (
 
1448
            self._revision_id, self._dirstate.get_parent_ids())
1699
1449
        parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1700
1450
        # This is identical now to the WorkingTree _generate_inventory except
1701
1451
        # for the tree index use.
1702
1452
        root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1703
1453
        current_id = root_key[2]
1704
 
        if current_entry[parent_index][0] != 'd':
1705
 
            raise AssertionError()
 
1454
        assert current_entry[parent_index][0] == 'd'
1706
1455
        inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1707
1456
        inv.root.revision = current_entry[parent_index][4]
1708
1457
        # Turn some things into local variables
1748
1497
                    raise AssertionError("cannot convert entry %r into an InventoryEntry"
1749
1498
                            % entry)
1750
1499
                # 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,))
 
1500
                assert file_id not in inv_byid
 
1501
                assert name_unicode not in parent_ie.children
1757
1502
                inv_byid[file_id] = inv_entry
1758
1503
                parent_ie.children[name_unicode] = inv_entry
1759
1504
        self._inventory = inv
1769
1514
            return None
1770
1515
        parent_index = self._get_parent_index()
1771
1516
        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
 
1517
        return self._repository.get_revision(last_changed_revision).timestamp
1777
1518
 
1778
1519
    def get_file_sha1(self, file_id, path=None, stat_value=None):
1779
1520
        entry = self._get_entry(file_id=file_id, path=path)
1783
1524
            return parent_details[1]
1784
1525
        return None
1785
1526
 
 
1527
    @symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
 
1528
    def get_weave(self, file_id):
 
1529
        return self._get_weave(file_id)
 
1530
 
 
1531
    def _get_weave(self, file_id):
 
1532
        return self._repository.weave_store.get_weave(file_id,
 
1533
                self._repository.get_transaction())
 
1534
 
1786
1535
    def get_file(self, file_id, path=None):
1787
1536
        return StringIO(self.get_file_text(file_id))
1788
1537
 
 
1538
    def get_file_lines(self, file_id):
 
1539
        entry = self._get_entry(file_id=file_id)[1]
 
1540
        if entry == None:
 
1541
            raise errors.NoSuchId(tree=self, file_id=file_id)
 
1542
        return self._get_weave(file_id).get_lines(entry[1][4])
 
1543
 
1789
1544
    def get_file_size(self, file_id):
1790
 
        """See Tree.get_file_size"""
1791
1545
        return self.inventory[file_id].text_size
1792
1546
 
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)
 
1547
    def get_file_text(self, file_id):
 
1548
        return ''.join(self.get_file_lines(file_id))
1796
1549
 
1797
1550
    def get_reference_revision(self, file_id, path=None):
1798
1551
        return self.inventory[file_id].reference_revision
1817
1570
        if entry[1][parent_index][0] != 'l':
1818
1571
            return None
1819
1572
        else:
1820
 
            target = entry[1][parent_index][1]
1821
 
            target = target.decode('utf8')
1822
 
            return target
 
1573
            # At present, none of the tree implementations supports non-ascii
 
1574
            # symlink targets. So we will just assume that the dirstate path is
 
1575
            # correct.
 
1576
            return entry[1][parent_index][1]
1823
1577
 
1824
1578
    def get_revision_id(self):
1825
1579
        """Return the revision id for this tree."""
1844
1598
 
1845
1599
    def kind(self, file_id):
1846
1600
        entry = self._get_entry(file_id=file_id)[1]
1847
 
        if entry is None:
 
1601
        if entry == None:
1848
1602
            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]]
1851
 
 
1852
 
    def stored_kind(self, file_id):
1853
 
        """See Tree.stored_kind"""
1854
 
        return self.kind(file_id)
 
1603
        return dirstate.DirState._minikind_to_kind[entry[1][0]]
1855
1604
 
1856
1605
    def path_content_summary(self, path):
1857
1606
        """See Tree.path_content_summary."""
1873
1622
            return None
1874
1623
        return ie.executable
1875
1624
 
1876
 
    def is_locked(self):
1877
 
        return self._locked
1878
 
 
1879
 
    def list_files(self, include_root=False, from_dir=None, recursive=True):
 
1625
    def list_files(self, include_root=False):
1880
1626
        # We use a standard implementation, because DirStateRevisionTree is
1881
1627
        # dealing with one of the parents of the current state
1882
1628
        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:
 
1629
        entries = inv.iter_entries()
 
1630
        if self.inventory.root is not None and not include_root:
1892
1631
            entries.next()
1893
1632
        for path, entry in entries:
1894
1633
            yield path, 'V', entry.kind, entry.file_id, entry
1895
1634
 
1896
1635
    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
 
        """
 
1636
        """Lock the tree for a set of operations."""
1902
1637
        if not self._locked:
1903
1638
            self._repository.lock_read()
1904
1639
            if self._dirstate._lock_token is None:
1905
1640
                self._dirstate.lock_read()
1906
1641
                self._dirstate_locked = True
1907
1642
        self._locked += 1
1908
 
        return self
1909
1643
 
1910
1644
    def _must_be_locked(self):
1911
1645
        if not self._locked:
1932
1666
                self._dirstate_locked = False
1933
1667
            self._repository.unlock()
1934
1668
 
1935
 
    @needs_read_lock
1936
 
    def supports_tree_reference(self):
1937
 
        return self._repo_supports_tree_reference
1938
 
 
1939
1669
    def walkdirs(self, prefix=""):
1940
1670
        # TODO: jam 20070215 This is the lazy way by using the RevisionTree
1941
 
        # implementation based on an inventory.
 
1671
        # implementation based on an inventory.  
1942
1672
        # This should be cleaned up to use the much faster Dirstate code
1943
1673
        # So for now, we just build up the parent inventory, and extract
1944
1674
        # it the same way RevisionTree does.
1973
1703
 
1974
1704
class InterDirStateTree(InterTree):
1975
1705
    """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
 
1706
    
 
1707
    This is used only when both trees are in the dirstate working file, and 
 
1708
    the source is any parent within the dirstate, and the destination is 
1979
1709
    the current working tree of the same dirstate.
1980
1710
    """
1981
1711
    # this could be generalized to allow comparisons between any trees in the
1994
1724
        target.set_parent_ids([revid])
1995
1725
        return target.basis_tree(), target
1996
1726
 
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
1727
    _matching_from_tree_format = WorkingTreeFormat4()
2015
1728
    _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
2022
 
 
2023
 
    def iter_changes(self, include_unchanged=False,
 
1729
    _test_mutable_trees_to_test_trees = make_source_parent_tree
 
1730
 
 
1731
    def _iter_changes(self, include_unchanged=False,
2024
1732
                      specific_files=None, pb=None, extra_trees=[],
2025
1733
                      require_versioned=True, want_unversioned=False):
2026
1734
        """Return the changes from source to target.
2027
1735
 
2028
 
        :return: An iterator that yields tuples. See InterTree.iter_changes
 
1736
        :return: An iterator that yields tuples. See InterTree._iter_changes
2029
1737
            for details.
2030
1738
        :param specific_files: An optional list of file paths to restrict the
2031
1739
            comparison to. When mapping filenames to ids, all matches in all
2042
1750
            output. An unversioned file is defined as one with (False, False)
2043
1751
            for the versioned pair.
2044
1752
        """
 
1753
        utf8_decode = cache_utf8._utf8_decode
 
1754
        _minikind_to_kind = dirstate.DirState._minikind_to_kind
 
1755
        cmp_by_dirs = dirstate.cmp_by_dirs
 
1756
        # NB: show_status depends on being able to pass in non-versioned files
 
1757
        # and report them as unknown
2045
1758
        # TODO: handle extra trees in the dirstate.
2046
1759
        if (extra_trees or specific_files == []):
2047
1760
            # we can't fast-path these cases (yet)
2048
 
            return super(InterDirStateTree, self).iter_changes(
 
1761
            for f in super(InterDirStateTree, self)._iter_changes(
2049
1762
                include_unchanged, specific_files, pb, extra_trees,
2050
 
                require_versioned, want_unversioned=want_unversioned)
 
1763
                require_versioned, want_unversioned=want_unversioned):
 
1764
                yield f
 
1765
            return
2051
1766
        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))
 
1767
        assert (self.source._revision_id in parent_ids
 
1768
                or self.source._revision_id == NULL_REVISION), \
 
1769
                "revision {%s} is not stored in {%s}, but %s " \
 
1770
                "can only be used for trees stored in the dirstate" \
 
1771
                % (self.source._revision_id, self.target, self._iter_changes)
2058
1772
        target_index = 0
2059
 
        if self.source._revision_id == _mod_revision.NULL_REVISION:
 
1773
        if self.source._revision_id == NULL_REVISION:
2060
1774
            source_index = None
2061
1775
            indices = (target_index,)
2062
1776
        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))
 
1777
            assert (self.source._revision_id in parent_ids), \
 
1778
                "Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
 
1779
                self.source._revision_id, parent_ids)
2067
1780
            source_index = 1 + parent_ids.index(self.source._revision_id)
2068
1781
            indices = (source_index, target_index)
2069
1782
        # -- make all specific_files utf8 --
2070
1783
        if specific_files:
2071
1784
            specific_files_utf8 = set()
2072
1785
            for path in specific_files:
2073
 
                # Note, if there are many specific files, using cache_utf8
2074
 
                # would be good here.
2075
1786
                specific_files_utf8.add(path.encode('utf8'))
2076
1787
            specific_files = specific_files_utf8
2077
1788
        else:
2078
1789
            specific_files = set([''])
2079
1790
        # -- specific_files is now a utf8 path set --
2080
 
 
2081
1791
        # -- get the state object and prepare it.
2082
1792
        state = self.target.current_dirstate()
2083
1793
        state._read_dirblocks_if_needed()
 
1794
        def _entries_for_path(path):
 
1795
            """Return a list with all the entries that match path for all ids.
 
1796
            """
 
1797
            dirname, basename = os.path.split(path)
 
1798
            key = (dirname, basename, '')
 
1799
            block_index, present = state._find_block_index_from_key(key)
 
1800
            if not present:
 
1801
                # the block which should contain path is absent.
 
1802
                return []
 
1803
            result = []
 
1804
            block = state._dirblocks[block_index][1]
 
1805
            entry_index, _ = state._find_entry_index(key, block)
 
1806
            # we may need to look at multiple entries at this path: walk while the specific_files match.
 
1807
            while (entry_index < len(block) and
 
1808
                block[entry_index][0][0:2] == key[0:2]):
 
1809
                result.append(block[entry_index])
 
1810
                entry_index += 1
 
1811
            return result
2084
1812
        if require_versioned:
2085
1813
            # -- check all supplied paths are versioned in a search tree. --
2086
 
            not_versioned = []
 
1814
            all_versioned = True
2087
1815
            for path in specific_files:
2088
 
                path_entries = state._entries_for_path(path)
 
1816
                path_entries = _entries_for_path(path)
2089
1817
                if not path_entries:
2090
1818
                    # this specified path is not present at all: error
2091
 
                    not_versioned.append(path)
2092
 
                    continue
 
1819
                    all_versioned = False
 
1820
                    break
2093
1821
                found_versioned = False
2094
1822
                # for each id at this path
2095
1823
                for entry in path_entries:
2102
1830
                if not found_versioned:
2103
1831
                    # none of the indexes was not 'absent' at all ids for this
2104
1832
                    # path.
2105
 
                    not_versioned.append(path)
2106
 
            if len(not_versioned) > 0:
2107
 
                raise errors.PathsNotVersionedError(not_versioned)
 
1833
                    all_versioned = False
 
1834
                    break
 
1835
            if not all_versioned:
 
1836
                raise errors.PathsNotVersionedError(specific_files)
2108
1837
        # -- remove redundancy in supplied specific_files to prevent over-scanning --
2109
 
        search_specific_files = osutils.minimum_path_selection(specific_files)
 
1838
        search_specific_files = set()
 
1839
        for path in specific_files:
 
1840
            other_specific_files = specific_files.difference(set([path]))
 
1841
            if not osutils.is_inside_any(other_specific_files, path):
 
1842
                # this is a top level path, we must check it.
 
1843
                search_specific_files.add(path)
 
1844
        # sketch: 
 
1845
        # compare source_index and target_index at or under each element of search_specific_files.
 
1846
        # follow the following comparison table. Note that we only want to do diff operations when
 
1847
        # the target is fdl because thats when the walkdirs logic will have exposed the pathinfo 
 
1848
        # for the target.
 
1849
        # cases:
 
1850
        # 
 
1851
        # Source | Target | disk | action
 
1852
        #   r    | fdlt   |      | add source to search, add id path move and perform
 
1853
        #        |        |      | diff check on source-target
 
1854
        #   r    | fdlt   |  a   | dangling file that was present in the basis. 
 
1855
        #        |        |      | ???
 
1856
        #   r    |  a     |      | add source to search
 
1857
        #   r    |  a     |  a   | 
 
1858
        #   r    |  r     |      | this path is present in a non-examined tree, skip.
 
1859
        #   r    |  r     |  a   | this path is present in a non-examined tree, skip.
 
1860
        #   a    | fdlt   |      | add new id
 
1861
        #   a    | fdlt   |  a   | dangling locally added file, skip
 
1862
        #   a    |  a     |      | not present in either tree, skip
 
1863
        #   a    |  a     |  a   | not present in any tree, skip
 
1864
        #   a    |  r     |      | not present in either tree at this path, skip as it
 
1865
        #        |        |      | may not be selected by the users list of paths.
 
1866
        #   a    |  r     |  a   | not present in either tree at this path, skip as it
 
1867
        #        |        |      | may not be selected by the users list of paths.
 
1868
        #  fdlt  | fdlt   |      | content in both: diff them
 
1869
        #  fdlt  | fdlt   |  a   | deleted locally, but not unversioned - show as deleted ?
 
1870
        #  fdlt  |  a     |      | unversioned: output deleted id for now
 
1871
        #  fdlt  |  a     |  a   | unversioned and deleted: output deleted id
 
1872
        #  fdlt  |  r     |      | relocated in this tree, so add target to search.
 
1873
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1874
        #        |        |      | this id at the other path.
 
1875
        #  fdlt  |  r     |  a   | relocated in this tree, so add target to search.
 
1876
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1877
        #        |        |      | this id at the other path.
 
1878
 
 
1879
        # for all search_indexs in each path at or under each element of
 
1880
        # search_specific_files, if the detail is relocated: add the id, and add the
 
1881
        # relocated path as one to search if its not searched already. If the
 
1882
        # detail is not relocated, add the id.
 
1883
        searched_specific_files = set()
 
1884
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1885
        # Using a list so that we can access the values and change them in
 
1886
        # nested scope. Each one is [path, file_id, entry]
 
1887
        last_source_parent = [None, None]
 
1888
        last_target_parent = [None, None]
2110
1889
 
2111
1890
        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()
 
1891
 
 
1892
        # Just a sentry, so that _process_entry can say that this
 
1893
        # record is handled, but isn't interesting to process (unchanged)
 
1894
        uninteresting = object()
 
1895
 
 
1896
 
 
1897
        old_dirname_to_file_id = {}
 
1898
        new_dirname_to_file_id = {}
 
1899
        # TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
 
1900
        #       keeping a cache of directories that we have seen.
 
1901
 
 
1902
        def _process_entry(entry, path_info):
 
1903
            """Compare an entry and real disk to generate delta information.
 
1904
 
 
1905
            :param path_info: top_relpath, basename, kind, lstat, abspath for
 
1906
                the path of entry. If None, then the path is considered absent.
 
1907
                (Perhaps we should pass in a concrete entry for this ?)
 
1908
                Basename is returned as a utf8 string because we expect this
 
1909
                tuple will be ignored, and don't want to take the time to
 
1910
                decode.
 
1911
            :return: None if these don't match
 
1912
                     A tuple of information about the change, or
 
1913
                     the object 'uninteresting' if these match, but are
 
1914
                     basically identical.
 
1915
            """
 
1916
            if source_index is None:
 
1917
                source_details = NULL_PARENT_DETAILS
 
1918
            else:
 
1919
                source_details = entry[1][source_index]
 
1920
            target_details = entry[1][target_index]
 
1921
            target_minikind = target_details[0]
 
1922
            if path_info is not None and target_minikind in 'fdlt':
 
1923
                assert target_index == 0
 
1924
                link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
 
1925
                                                  stat_value=path_info[3])
 
1926
                # The entry may have been modified by update_entry
 
1927
                target_details = entry[1][target_index]
 
1928
                target_minikind = target_details[0]
 
1929
            else:
 
1930
                link_or_sha1 = None
 
1931
            file_id = entry[0][2]
 
1932
            source_minikind = source_details[0]
 
1933
            if source_minikind in 'fdltr' and target_minikind in 'fdlt':
 
1934
                # claimed content in both: diff
 
1935
                #   r    | fdlt   |      | add source to search, add id path move and perform
 
1936
                #        |        |      | diff check on source-target
 
1937
                #   r    | fdlt   |  a   | dangling file that was present in the basis.
 
1938
                #        |        |      | ???
 
1939
                if source_minikind in 'r':
 
1940
                    # add the source to the search path to find any children it
 
1941
                    # has.  TODO ? : only add if it is a container ?
 
1942
                    if not osutils.is_inside_any(searched_specific_files,
 
1943
                                                 source_details[1]):
 
1944
                        search_specific_files.add(source_details[1])
 
1945
                    # generate the old path; this is needed for stating later
 
1946
                    # as well.
 
1947
                    old_path = source_details[1]
 
1948
                    old_dirname, old_basename = os.path.split(old_path)
 
1949
                    path = pathjoin(entry[0][0], entry[0][1])
 
1950
                    old_entry = state._get_entry(source_index,
 
1951
                                                 path_utf8=old_path)
 
1952
                    # update the source details variable to be the real
 
1953
                    # location.
 
1954
                    source_details = old_entry[1][source_index]
 
1955
                    source_minikind = source_details[0]
 
1956
                else:
 
1957
                    old_dirname = entry[0][0]
 
1958
                    old_basename = entry[0][1]
 
1959
                    old_path = path = None
 
1960
                if path_info is None:
 
1961
                    # the file is missing on disk, show as removed.
 
1962
                    content_change = True
 
1963
                    target_kind = None
 
1964
                    target_exec = False
 
1965
                else:
 
1966
                    # source and target are both versioned and disk file is present.
 
1967
                    target_kind = path_info[2]
 
1968
                    if target_kind == 'directory':
 
1969
                        if path is None:
 
1970
                            old_path = path = pathjoin(old_dirname, old_basename)
 
1971
                        new_dirname_to_file_id[path] = file_id
 
1972
                        if source_minikind != 'd':
 
1973
                            content_change = True
 
1974
                        else:
 
1975
                            # directories have no fingerprint
 
1976
                            content_change = False
 
1977
                        target_exec = False
 
1978
                    elif target_kind == 'file':
 
1979
                        if source_minikind != 'f':
 
1980
                            content_change = True
 
1981
                        else:
 
1982
                            # We could check the size, but we already have the
 
1983
                            # sha1 hash.
 
1984
                            content_change = (link_or_sha1 != source_details[1])
 
1985
                        # Target details is updated at update_entry time
 
1986
                        if use_filesystem_for_exec:
 
1987
                            # We don't need S_ISREG here, because we are sure
 
1988
                            # we are dealing with a file.
 
1989
                            target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
 
1990
                        else:
 
1991
                            target_exec = target_details[3]
 
1992
                    elif target_kind == 'symlink':
 
1993
                        if source_minikind != 'l':
 
1994
                            content_change = True
 
1995
                        else:
 
1996
                            content_change = (link_or_sha1 != source_details[1])
 
1997
                        target_exec = False
 
1998
                    elif target_kind == 'tree-reference':
 
1999
                        if source_minikind != 't':
 
2000
                            content_change = True
 
2001
                        else:
 
2002
                            content_change = False
 
2003
                        target_exec = False
 
2004
                    else:
 
2005
                        raise Exception, "unknown kind %s" % path_info[2]
 
2006
                if source_minikind == 'd':
 
2007
                    if path is None:
 
2008
                        old_path = path = pathjoin(old_dirname, old_basename)
 
2009
                    old_dirname_to_file_id[old_path] = file_id
 
2010
                # parent id is the entry for the path in the target tree
 
2011
                if old_dirname == last_source_parent[0]:
 
2012
                    source_parent_id = last_source_parent[1]
 
2013
                else:
 
2014
                    try:
 
2015
                        source_parent_id = old_dirname_to_file_id[old_dirname]
 
2016
                    except KeyError:
 
2017
                        source_parent_entry = state._get_entry(source_index,
 
2018
                                                               path_utf8=old_dirname)
 
2019
                        source_parent_id = source_parent_entry[0][2]
 
2020
                    if source_parent_id == entry[0][2]:
 
2021
                        # This is the root, so the parent is None
 
2022
                        source_parent_id = None
 
2023
                    else:
 
2024
                        last_source_parent[0] = old_dirname
 
2025
                        last_source_parent[1] = source_parent_id
 
2026
                new_dirname = entry[0][0]
 
2027
                if new_dirname == last_target_parent[0]:
 
2028
                    target_parent_id = last_target_parent[1]
 
2029
                else:
 
2030
                    try:
 
2031
                        target_parent_id = new_dirname_to_file_id[new_dirname]
 
2032
                    except KeyError:
 
2033
                        # TODO: We don't always need to do the lookup, because the
 
2034
                        #       parent entry will be the same as the source entry.
 
2035
                        target_parent_entry = state._get_entry(target_index,
 
2036
                                                               path_utf8=new_dirname)
 
2037
                        assert target_parent_entry != (None, None), (
 
2038
                            "Could not find target parent in wt: %s\nparent of: %s"
 
2039
                            % (new_dirname, entry))
 
2040
                        target_parent_id = target_parent_entry[0][2]
 
2041
                    if target_parent_id == entry[0][2]:
 
2042
                        # This is the root, so the parent is None
 
2043
                        target_parent_id = None
 
2044
                    else:
 
2045
                        last_target_parent[0] = new_dirname
 
2046
                        last_target_parent[1] = target_parent_id
 
2047
 
 
2048
                source_exec = source_details[3]
 
2049
                if (include_unchanged
 
2050
                    or content_change
 
2051
                    or source_parent_id != target_parent_id
 
2052
                    or old_basename != entry[0][1]
 
2053
                    or source_exec != target_exec
 
2054
                    ):
 
2055
                    if old_path is None:
 
2056
                        old_path = path = pathjoin(old_dirname, old_basename)
 
2057
                        old_path_u = utf8_decode(old_path)[0]
 
2058
                        path_u = old_path_u
 
2059
                    else:
 
2060
                        old_path_u = utf8_decode(old_path)[0]
 
2061
                        if old_path == path:
 
2062
                            path_u = old_path_u
 
2063
                        else:
 
2064
                            path_u = utf8_decode(path)[0]
 
2065
                    source_kind = _minikind_to_kind[source_minikind]
 
2066
                    return (entry[0][2],
 
2067
                           (old_path_u, path_u),
 
2068
                           content_change,
 
2069
                           (True, True),
 
2070
                           (source_parent_id, target_parent_id),
 
2071
                           (utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
 
2072
                           (source_kind, target_kind),
 
2073
                           (source_exec, target_exec))
 
2074
                else:
 
2075
                    return uninteresting
 
2076
            elif source_minikind in 'a' and target_minikind in 'fdlt':
 
2077
                # looks like a new file
 
2078
                if path_info is not None:
 
2079
                    path = pathjoin(entry[0][0], entry[0][1])
 
2080
                    # parent id is the entry for the path in the target tree
 
2081
                    # TODO: these are the same for an entire directory: cache em.
 
2082
                    parent_id = state._get_entry(target_index,
 
2083
                                                 path_utf8=entry[0][0])[0][2]
 
2084
                    if parent_id == entry[0][2]:
 
2085
                        parent_id = None
 
2086
                    if use_filesystem_for_exec:
 
2087
                        # We need S_ISREG here, because we aren't sure if this
 
2088
                        # is a file or not.
 
2089
                        target_exec = bool(
 
2090
                            stat.S_ISREG(path_info[3].st_mode)
 
2091
                            and stat.S_IEXEC & path_info[3].st_mode)
 
2092
                    else:
 
2093
                        target_exec = target_details[3]
 
2094
                    return (entry[0][2],
 
2095
                           (None, utf8_decode(path)[0]),
 
2096
                           True,
 
2097
                           (False, True),
 
2098
                           (None, parent_id),
 
2099
                           (None, utf8_decode(entry[0][1])[0]),
 
2100
                           (None, path_info[2]),
 
2101
                           (None, target_exec))
 
2102
                else:
 
2103
                    # but its not on disk: we deliberately treat this as just
 
2104
                    # never-present. (Why ?! - RBC 20070224)
 
2105
                    pass
 
2106
            elif source_minikind in 'fdlt' and target_minikind in 'a':
 
2107
                # unversioned, possibly, or possibly not deleted: we dont care.
 
2108
                # if its still on disk, *and* theres no other entry at this
 
2109
                # path [we dont know this in this routine at the moment -
 
2110
                # perhaps we should change this - then it would be an unknown.
 
2111
                old_path = pathjoin(entry[0][0], entry[0][1])
 
2112
                # parent id is the entry for the path in the target tree
 
2113
                parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
 
2114
                if parent_id == entry[0][2]:
 
2115
                    parent_id = None
 
2116
                return (entry[0][2],
 
2117
                       (utf8_decode(old_path)[0], None),
 
2118
                       True,
 
2119
                       (True, False),
 
2120
                       (parent_id, None),
 
2121
                       (utf8_decode(entry[0][1])[0], None),
 
2122
                       (_minikind_to_kind[source_minikind], None),
 
2123
                       (source_details[3], None))
 
2124
            elif source_minikind in 'fdlt' and target_minikind in 'r':
 
2125
                # a rename; could be a true rename, or a rename inherited from
 
2126
                # a renamed parent. TODO: handle this efficiently. Its not
 
2127
                # common case to rename dirs though, so a correct but slow
 
2128
                # implementation will do.
 
2129
                if not osutils.is_inside_any(searched_specific_files, target_details[1]):
 
2130
                    search_specific_files.add(target_details[1])
 
2131
            elif source_minikind in 'ra' and target_minikind in 'ra':
 
2132
                # neither of the selected trees contain this file,
 
2133
                # so skip over it. This is not currently directly tested, but
 
2134
                # is indirectly via test_too_much.TestCommands.test_conflicts.
 
2135
                pass
 
2136
            else:
 
2137
                raise AssertionError("don't know how to compare "
 
2138
                    "source_minikind=%r, target_minikind=%r"
 
2139
                    % (source_minikind, target_minikind))
 
2140
                ## import pdb;pdb.set_trace()
 
2141
            return None
 
2142
 
 
2143
        while search_specific_files:
 
2144
            # TODO: the pending list should be lexically sorted?  the
 
2145
            # interface doesn't require it.
 
2146
            current_root = search_specific_files.pop()
 
2147
            current_root_unicode = current_root.decode('utf8')
 
2148
            searched_specific_files.add(current_root)
 
2149
            # process the entries for this containing directory: the rest will be
 
2150
            # found by their parents recursively.
 
2151
            root_entries = _entries_for_path(current_root)
 
2152
            root_abspath = self.target.abspath(current_root_unicode)
 
2153
            try:
 
2154
                root_stat = os.lstat(root_abspath)
 
2155
            except OSError, e:
 
2156
                if e.errno == errno.ENOENT:
 
2157
                    # the path does not exist: let _process_entry know that.
 
2158
                    root_dir_info = None
 
2159
                else:
 
2160
                    # some other random error: hand it up.
 
2161
                    raise
 
2162
            else:
 
2163
                root_dir_info = ('', current_root,
 
2164
                    osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
 
2165
                    root_abspath)
 
2166
                if root_dir_info[2] == 'directory':
 
2167
                    if self.target._directory_is_tree_reference(
 
2168
                        current_root.decode('utf8')):
 
2169
                        root_dir_info = root_dir_info[:2] + \
 
2170
                            ('tree-reference',) + root_dir_info[3:]
 
2171
 
 
2172
            if not root_entries and not root_dir_info:
 
2173
                # this specified path is not present at all, skip it.
 
2174
                continue
 
2175
            path_handled = False
 
2176
            for entry in root_entries:
 
2177
                result = _process_entry(entry, root_dir_info)
 
2178
                if result is not None:
 
2179
                    path_handled = True
 
2180
                    if result is not uninteresting:
 
2181
                        yield result
 
2182
            if want_unversioned and not path_handled and root_dir_info:
 
2183
                new_executable = bool(
 
2184
                    stat.S_ISREG(root_dir_info[3].st_mode)
 
2185
                    and stat.S_IEXEC & root_dir_info[3].st_mode)
 
2186
                yield (None,
 
2187
                       (None, current_root_unicode),
 
2188
                       True,
 
2189
                       (False, False),
 
2190
                       (None, None),
 
2191
                       (None, splitpath(current_root_unicode)[-1]),
 
2192
                       (None, root_dir_info[2]),
 
2193
                       (None, new_executable)
 
2194
                      )
 
2195
            initial_key = (current_root, '', '')
 
2196
            block_index, _ = state._find_block_index_from_key(initial_key)
 
2197
            if block_index == 0:
 
2198
                # we have processed the total root already, but because the
 
2199
                # initial key matched it we should skip it here.
 
2200
                block_index +=1
 
2201
            if root_dir_info and root_dir_info[2] == 'tree-reference':
 
2202
                current_dir_info = None
 
2203
            else:
 
2204
                dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
 
2205
                try:
 
2206
                    current_dir_info = dir_iterator.next()
 
2207
                except OSError, e:
 
2208
                    # on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
 
2209
                    # python 2.5 has e.errno == EINVAL,
 
2210
                    #            and e.winerror == ERROR_DIRECTORY
 
2211
                    e_winerror = getattr(e, 'winerror', None)
 
2212
                    win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
 
2213
                    # there may be directories in the inventory even though
 
2214
                    # this path is not a file on disk: so mark it as end of
 
2215
                    # iterator
 
2216
                    if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
 
2217
                        current_dir_info = None
 
2218
                    elif (sys.platform == 'win32'
 
2219
                          and (e.errno in win_errors
 
2220
                               or e_winerror in win_errors)):
 
2221
                        current_dir_info = None
 
2222
                    else:
 
2223
                        raise
 
2224
                else:
 
2225
                    if current_dir_info[0][0] == '':
 
2226
                        # remove .bzr from iteration
 
2227
                        bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
 
2228
                        assert current_dir_info[1][bzr_index][0] == '.bzr'
 
2229
                        del current_dir_info[1][bzr_index]
 
2230
            # walk until both the directory listing and the versioned metadata
 
2231
            # are exhausted. 
 
2232
            if (block_index < len(state._dirblocks) and
 
2233
                osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2234
                current_block = state._dirblocks[block_index]
 
2235
            else:
 
2236
                current_block = None
 
2237
            while (current_dir_info is not None or
 
2238
                   current_block is not None):
 
2239
                if (current_dir_info and current_block
 
2240
                    and current_dir_info[0][0] != current_block[0]):
 
2241
                    if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
 
2242
                        # filesystem data refers to paths not covered by the dirblock.
 
2243
                        # this has two possibilities:
 
2244
                        # A) it is versioned but empty, so there is no block for it
 
2245
                        # B) it is not versioned.
 
2246
 
 
2247
                        # if (A) then we need to recurse into it to check for
 
2248
                        # new unknown files or directories.
 
2249
                        # if (B) then we should ignore it, because we don't
 
2250
                        # recurse into unknown directories.
 
2251
                        path_index = 0
 
2252
                        while path_index < len(current_dir_info[1]):
 
2253
                                current_path_info = current_dir_info[1][path_index]
 
2254
                                if want_unversioned:
 
2255
                                    if current_path_info[2] == 'directory':
 
2256
                                        if self.target._directory_is_tree_reference(
 
2257
                                            current_path_info[0].decode('utf8')):
 
2258
                                            current_path_info = current_path_info[:2] + \
 
2259
                                                ('tree-reference',) + current_path_info[3:]
 
2260
                                    new_executable = bool(
 
2261
                                        stat.S_ISREG(current_path_info[3].st_mode)
 
2262
                                        and stat.S_IEXEC & current_path_info[3].st_mode)
 
2263
                                    yield (None,
 
2264
                                        (None, utf8_decode(current_path_info[0])[0]),
 
2265
                                        True,
 
2266
                                        (False, False),
 
2267
                                        (None, None),
 
2268
                                        (None, utf8_decode(current_path_info[1])[0]),
 
2269
                                        (None, current_path_info[2]),
 
2270
                                        (None, new_executable))
 
2271
                                # dont descend into this unversioned path if it is
 
2272
                                # a dir
 
2273
                                if current_path_info[2] in ('directory',
 
2274
                                                            'tree-reference'):
 
2275
                                    del current_dir_info[1][path_index]
 
2276
                                    path_index -= 1
 
2277
                                path_index += 1
 
2278
 
 
2279
                        # This dir info has been handled, go to the next
 
2280
                        try:
 
2281
                            current_dir_info = dir_iterator.next()
 
2282
                        except StopIteration:
 
2283
                            current_dir_info = None
 
2284
                    else:
 
2285
                        # We have a dirblock entry for this location, but there
 
2286
                        # is no filesystem path for this. This is most likely
 
2287
                        # because a directory was removed from the disk.
 
2288
                        # We don't have to report the missing directory,
 
2289
                        # because that should have already been handled, but we
 
2290
                        # need to handle all of the files that are contained
 
2291
                        # within.
 
2292
                        for current_entry in current_block[1]:
 
2293
                            # entry referring to file not present on disk.
 
2294
                            # advance the entry only, after processing.
 
2295
                            result = _process_entry(current_entry, None)
 
2296
                            if result is not None:
 
2297
                                if result is not uninteresting:
 
2298
                                    yield result
 
2299
                        block_index +=1
 
2300
                        if (block_index < len(state._dirblocks) and
 
2301
                            osutils.is_inside(current_root,
 
2302
                                              state._dirblocks[block_index][0])):
 
2303
                            current_block = state._dirblocks[block_index]
 
2304
                        else:
 
2305
                            current_block = None
 
2306
                    continue
 
2307
                entry_index = 0
 
2308
                if current_block and entry_index < len(current_block[1]):
 
2309
                    current_entry = current_block[1][entry_index]
 
2310
                else:
 
2311
                    current_entry = None
 
2312
                advance_entry = True
 
2313
                path_index = 0
 
2314
                if current_dir_info and path_index < len(current_dir_info[1]):
 
2315
                    current_path_info = current_dir_info[1][path_index]
 
2316
                    if current_path_info[2] == 'directory':
 
2317
                        if self.target._directory_is_tree_reference(
 
2318
                            current_path_info[0].decode('utf8')):
 
2319
                            current_path_info = current_path_info[:2] + \
 
2320
                                ('tree-reference',) + current_path_info[3:]
 
2321
                else:
 
2322
                    current_path_info = None
 
2323
                advance_path = True
 
2324
                path_handled = False
 
2325
                while (current_entry is not None or
 
2326
                    current_path_info is not None):
 
2327
                    if current_entry is None:
 
2328
                        # the check for path_handled when the path is adnvaced
 
2329
                        # will yield this path if needed.
 
2330
                        pass
 
2331
                    elif current_path_info is None:
 
2332
                        # no path is fine: the per entry code will handle it.
 
2333
                        result = _process_entry(current_entry, current_path_info)
 
2334
                        if result is not None:
 
2335
                            if result is not uninteresting:
 
2336
                                yield result
 
2337
                    elif (current_entry[0][1] != current_path_info[1]
 
2338
                          or current_entry[1][target_index][0] in 'ar'):
 
2339
                        # The current path on disk doesn't match the dirblock
 
2340
                        # record. Either the dirblock is marked as absent, or
 
2341
                        # the file on disk is not present at all in the
 
2342
                        # dirblock. Either way, report about the dirblock
 
2343
                        # entry, and let other code handle the filesystem one.
 
2344
 
 
2345
                        # Compare the basename for these files to determine
 
2346
                        # which comes first
 
2347
                        if current_path_info[1] < current_entry[0][1]:
 
2348
                            # extra file on disk: pass for now, but only
 
2349
                            # increment the path, not the entry
 
2350
                            advance_entry = False
 
2351
                        else:
 
2352
                            # entry referring to file not present on disk.
 
2353
                            # advance the entry only, after processing.
 
2354
                            result = _process_entry(current_entry, None)
 
2355
                            if result is not None:
 
2356
                                if result is not uninteresting:
 
2357
                                    yield result
 
2358
                            advance_path = False
 
2359
                    else:
 
2360
                        result = _process_entry(current_entry, current_path_info)
 
2361
                        if result is not None:
 
2362
                            path_handled = True
 
2363
                            if result is not uninteresting:
 
2364
                                yield result
 
2365
                    if advance_entry and current_entry is not None:
 
2366
                        entry_index += 1
 
2367
                        if entry_index < len(current_block[1]):
 
2368
                            current_entry = current_block[1][entry_index]
 
2369
                        else:
 
2370
                            current_entry = None
 
2371
                    else:
 
2372
                        advance_entry = True # reset the advance flaga
 
2373
                    if advance_path and current_path_info is not None:
 
2374
                        if not path_handled:
 
2375
                            # unversioned in all regards
 
2376
                            if want_unversioned:
 
2377
                                new_executable = bool(
 
2378
                                    stat.S_ISREG(current_path_info[3].st_mode)
 
2379
                                    and stat.S_IEXEC & current_path_info[3].st_mode)
 
2380
                                yield (None,
 
2381
                                    (None, utf8_decode(current_path_info[0])[0]),
 
2382
                                    True,
 
2383
                                    (False, False),
 
2384
                                    (None, None),
 
2385
                                    (None, utf8_decode(current_path_info[1])[0]),
 
2386
                                    (None, current_path_info[2]),
 
2387
                                    (None, new_executable))
 
2388
                            # dont descend into this unversioned path if it is
 
2389
                            # a dir
 
2390
                            if current_path_info[2] in ('directory'):
 
2391
                                del current_dir_info[1][path_index]
 
2392
                                path_index -= 1
 
2393
                        # dont descend the disk iterator into any tree 
 
2394
                        # paths.
 
2395
                        if current_path_info[2] == 'tree-reference':
 
2396
                            del current_dir_info[1][path_index]
 
2397
                            path_index -= 1
 
2398
                        path_index += 1
 
2399
                        if path_index < len(current_dir_info[1]):
 
2400
                            current_path_info = current_dir_info[1][path_index]
 
2401
                            if current_path_info[2] == 'directory':
 
2402
                                if self.target._directory_is_tree_reference(
 
2403
                                    current_path_info[0].decode('utf8')):
 
2404
                                    current_path_info = current_path_info[:2] + \
 
2405
                                        ('tree-reference',) + current_path_info[3:]
 
2406
                        else:
 
2407
                            current_path_info = None
 
2408
                        path_handled = False
 
2409
                    else:
 
2410
                        advance_path = True # reset the advance flagg.
 
2411
                if current_block is not None:
 
2412
                    block_index += 1
 
2413
                    if (block_index < len(state._dirblocks) and
 
2414
                        osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2415
                        current_block = state._dirblocks[block_index]
 
2416
                    else:
 
2417
                        current_block = None
 
2418
                if current_dir_info is not None:
 
2419
                    try:
 
2420
                        current_dir_info = dir_iterator.next()
 
2421
                    except StopIteration:
 
2422
                        current_dir_info = None
 
2423
 
2116
2424
 
2117
2425
    @staticmethod
2118
2426
    def is_compatible(source, target):
2119
2427
        # the target must be a dirstate working tree
2120
 
        if not isinstance(target, DirStateWorkingTree):
 
2428
        if not isinstance(target, WorkingTree4):
2121
2429
            return False
2122
 
        # the source must be a revtree or dirstate rev tree.
 
2430
        # the source must be a revtreee or dirstate rev tree.
2123
2431
        if not isinstance(source,
2124
2432
            (revisiontree.RevisionTree, DirStateRevisionTree)):
2125
2433
            return False
2126
2434
        # the source revid must be in the target dirstate
2127
 
        if not (source._revision_id == _mod_revision.NULL_REVISION or
 
2435
        if not (source._revision_id == NULL_REVISION or
2128
2436
            source._revision_id in target.get_parent_ids()):
2129
 
            # TODO: what about ghosts? it may well need to
 
2437
            # TODO: what about ghosts? it may well need to 
2130
2438
            # check for them explicitly.
2131
2439
            return False
2132
2440
        return True
2142
2450
 
2143
2451
    def convert(self, tree):
2144
2452
        # 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
 
2453
        # on-unlock behaviours, and so that noone else diddles with the 
2146
2454
        # tree during upgrade.
2147
2455
        tree._control_files.lock_write()
2148
2456
        try:
2174
2482
 
2175
2483
    def update_format(self, tree):
2176
2484
        """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())
 
2485
        tree._control_files.put_utf8('format',
 
2486
            self.target_format.get_format_string())