~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/workingtree_4.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-04-13 05:06:23 UTC
  • mfrom: (2279.7.13 bzr.dev.hpss.api.changes)
  • Revision ID: pqm@pqm.ubuntu.com-20070413050623-10v4wozs1tu04kcu
(Andrew Bennetts, Robert Collins) Add a 'token' argument to lock_write.

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2007-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""WorkingTree4 format and implementation.
18
18
 
28
28
 
29
29
from bzrlib.lazy_import import lazy_import
30
30
lazy_import(globals(), """
 
31
from bisect import bisect_left
 
32
import collections
 
33
from copy import deepcopy
31
34
import errno
 
35
import itertools
 
36
import operator
32
37
import stat
 
38
from time import time
 
39
import warnings
33
40
 
34
41
import bzrlib
35
42
from bzrlib import (
36
43
    bzrdir,
37
44
    cache_utf8,
38
 
    debug,
 
45
    conflicts as _mod_conflicts,
 
46
    delta,
39
47
    dirstate,
40
48
    errors,
41
49
    generate_ids,
 
50
    globbing,
 
51
    hashcache,
 
52
    ignores,
 
53
    merge,
42
54
    osutils,
43
 
    revision as _mod_revision,
44
55
    revisiontree,
45
 
    trace,
 
56
    textui,
46
57
    transform,
47
 
    views,
 
58
    urlutils,
 
59
    xml5,
 
60
    xml6,
48
61
    )
49
62
import bzrlib.branch
 
63
from bzrlib.transport import get_transport
50
64
import bzrlib.ui
51
65
""")
52
66
 
 
67
from bzrlib import symbol_versioning
53
68
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
 
69
from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, entry_factory
 
70
from bzrlib.lockable_files import LockableFiles, TransportLock
 
71
from bzrlib.lockdir import LockDir
 
72
import bzrlib.mutabletree
56
73
from bzrlib.mutabletree import needs_tree_write_lock
57
74
from bzrlib.osutils import (
58
75
    file_kind,
59
76
    isdir,
 
77
    normpath,
60
78
    pathjoin,
 
79
    rand_chars,
61
80
    realpath,
62
81
    safe_unicode,
 
82
    splitpath,
63
83
    )
64
 
from bzrlib.trace import mutter
 
84
from bzrlib.trace import mutter, note
65
85
from bzrlib.transport.local import LocalTransport
66
86
from bzrlib.tree import InterTree
 
87
from bzrlib.progress import DummyProgress, ProgressPhase
 
88
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
 
89
from bzrlib.rio import RioReader, rio_file, Stanza
 
90
from bzrlib.symbol_versioning import (deprecated_passed,
 
91
        deprecated_method,
 
92
        deprecated_function,
 
93
        DEPRECATED_PARAMETER,
 
94
        )
67
95
from bzrlib.tree import Tree
68
96
from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
69
97
 
70
98
 
71
 
class DirStateWorkingTree(WorkingTree3):
 
99
# This is the Windows equivalent of ENOTDIR
 
100
# It is defined in pywin32.winerror, but we don't want a strong dependency for
 
101
# just an error code.
 
102
ERROR_DIRECTORY = 267
 
103
 
 
104
 
 
105
class WorkingTree4(WorkingTree3):
 
106
    """This is the Format 4 working tree.
 
107
 
 
108
    This differs from WorkingTree3 by:
 
109
     - Having a consolidated internal dirstate, stored in a
 
110
       randomly-accessible sorted file on disk.
 
111
     - Not having a regular inventory attribute.  One can be synthesized 
 
112
       on demand but this is expensive and should be avoided.
 
113
 
 
114
    This is new in bzr 0.15.
 
115
    """
 
116
 
72
117
    def __init__(self, basedir,
73
118
                 branch,
74
119
                 _control_files=None,
83
128
        """
84
129
        self._format = _format
85
130
        self.bzrdir = _bzrdir
 
131
        from bzrlib.trace import note, mutter
 
132
        assert isinstance(basedir, basestring), \
 
133
            "base directory %r is not a string" % basedir
86
134
        basedir = safe_unicode(basedir)
87
135
        mutter("opening working tree %r", basedir)
88
136
        self._branch = branch
 
137
        assert isinstance(self.branch, bzrlib.branch.Branch), \
 
138
            "branch %r is not a Branch" % self.branch
89
139
        self.basedir = realpath(basedir)
90
140
        # if branch is at our basedir and is a format 6 or less
91
141
        # assume all other formats have their own control files.
 
142
        assert isinstance(_control_files, LockableFiles), \
 
143
            "_control_files must be a LockableFiles, not %r" % _control_files
92
144
        self._control_files = _control_files
93
 
        self._transport = self._control_files._transport
94
145
        self._dirty = None
95
146
        #-------------
96
147
        # during a read or write lock these objects are set, and are
98
149
        self._dirstate = None
99
150
        self._inventory = None
100
151
        #-------------
101
 
        self._setup_directory_is_tree_reference()
102
 
        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
152
 
108
153
    @needs_tree_write_lock
109
154
    def _add(self, files, ids, kinds):
111
156
        state = self.current_dirstate()
112
157
        for f, file_id, kind in zip(files, ids, kinds):
113
158
            f = f.strip('/')
 
159
            assert '//' not in f
 
160
            assert '..' not in f
114
161
            if self.path2id(f):
115
162
                # special case tree root handling.
116
163
                if f == '' and self.path2id(f) == ROOT_ID:
137
184
    @needs_tree_write_lock
138
185
    def add_reference(self, sub_tree):
139
186
        # use standard implementation, which calls back to self._add
140
 
        #
 
187
        # 
141
188
        # So we don't store the reference_revision in the working dirstate,
142
 
        # it's just recorded at the moment of commit.
 
189
        # it's just recorded at the moment of commit. 
143
190
        self._add_reference(sub_tree)
144
191
 
145
192
    def break_lock(self):
184
231
            WorkingTree3._comparison_data(self, entry, path)
185
232
        # it looks like a plain directory, but it's really a reference -- see
186
233
        # also kind()
187
 
        if (self._repo_supports_tree_reference and kind == 'directory'
188
 
            and entry is not None and entry.kind == 'tree-reference'):
 
234
        if (self._repo_supports_tree_reference and
 
235
            kind == 'directory' and
 
236
            self._directory_is_tree_reference(path)):
189
237
            kind = 'tree-reference'
190
238
        return kind, executable, stat_value
191
239
 
217
265
            return self._dirstate
218
266
        local_path = self.bzrdir.get_workingtree_transport(None
219
267
            ).local_abspath('dirstate')
220
 
        self._dirstate = dirstate.DirState.on_file(local_path,
221
 
            self._sha1_provider())
 
268
        self._dirstate = dirstate.DirState.on_file(local_path)
222
269
        return self._dirstate
223
270
 
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
 
271
    def _directory_is_tree_reference(self, relpath):
 
272
        # as a special case, if a directory contains control files then 
 
273
        # it's a tree reference, except that the root of the tree is not
 
274
        return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")
 
275
        # TODO: We could ask all the control formats whether they
 
276
        # recognize this directory, but at the moment there's no cheap api
 
277
        # to do that.  Since we probably can only nest bzr checkouts and
 
278
        # they always use this name it's ok for now.  -- mbp 20060306
 
279
        #
 
280
        # FIXME: There is an unhandled case here of a subdirectory
 
281
        # containing .bzr but not a branch; that will probably blow up
 
282
        # when you try to commit it.  It might happen if there is a
 
283
        # checkout in a subdirectory.  This can be avoided by not adding
 
284
        # it.  mbp 20070306
235
285
 
236
286
    def filter_unversioned_files(self, paths):
237
287
        """Filter out paths that are versioned.
270
320
 
271
321
    def _generate_inventory(self):
272
322
        """Create and set self.inventory from the dirstate object.
273
 
 
 
323
        
274
324
        This is relatively expensive: we have to walk the entire dirstate.
275
325
        Ideally we would not, and can deprecate this function.
276
326
        """
280
330
        state._read_dirblocks_if_needed()
281
331
        root_key, current_entry = self._get_entry(path='')
282
332
        current_id = root_key[2]
283
 
        if not (current_entry[0][0] == 'd'): # directory
284
 
            raise AssertionError(current_entry)
 
333
        assert current_entry[0][0] == 'd' # directory
285
334
        inv = Inventory(root_id=current_id)
286
335
        # Turn some things into local variables
287
336
        minikind_to_kind = dirstate.DirState._minikind_to_kind
320
369
                    # add this entry to the parent map.
321
370
                    parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
322
371
                elif kind == 'tree-reference':
323
 
                    if not self._repo_supports_tree_reference:
324
 
                        raise errors.UnsupportedOperation(
325
 
                            self._generate_inventory,
326
 
                            self.branch.repository)
 
372
                    assert self._repo_supports_tree_reference, \
 
373
                        "repository of %r " \
 
374
                        "doesn't support tree references " \
 
375
                        "required by entry %r" \
 
376
                        % (self, name)
327
377
                    inv_entry.reference_revision = link_or_sha1 or None
328
378
                elif kind != 'symlink':
329
379
                    raise AssertionError("unknown kind %r" % kind)
330
380
                # 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,))
 
381
                assert file_id not in inv_byid, ('file_id %s already in'
 
382
                    ' inventory as %s' % (file_id, inv_byid[file_id]))
 
383
                assert name_unicode not in parent_ie.children
337
384
                inv_byid[file_id] = inv_entry
338
385
                parent_ie.children[name_unicode] = inv_entry
339
386
        self._inventory = inv
344
391
        If either file_id or path is supplied, it is used as the key to lookup.
345
392
        If both are supplied, the fastest lookup is used, and an error is
346
393
        raised if they do not both point at the same row.
347
 
 
 
394
        
348
395
        :param file_id: An optional unicode file_id to be looked up.
349
396
        :param path: An optional unicode path to be looked up.
350
397
        :return: The dirstate row tuple for path/file_id, or (None, None)
359
406
    def get_file_sha1(self, file_id, path=None, stat_value=None):
360
407
        # check file id is valid unconditionally.
361
408
        entry = self._get_entry(file_id=file_id, path=path)
362
 
        if entry[0] is None:
363
 
            raise errors.NoSuchId(self, file_id)
 
409
        assert entry[0] is not None, 'what error should this raise'
364
410
        if path is None:
365
411
            path = pathjoin(entry[0][0], entry[0][1]).decode('utf8')
366
412
 
367
413
        file_abspath = self.abspath(path)
368
414
        state = self.current_dirstate()
369
 
        if stat_value is None:
370
 
            try:
371
 
                stat_value = os.lstat(file_abspath)
372
 
            except OSError, e:
373
 
                if e.errno == errno.ENOENT:
374
 
                    return None
375
 
                else:
376
 
                    raise
377
 
        link_or_sha1 = dirstate.update_entry(state, entry, file_abspath,
378
 
            stat_value=stat_value)
 
415
        link_or_sha1 = state.update_entry(entry, file_abspath,
 
416
                                          stat_value=stat_value)
379
417
        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
 
418
            return link_or_sha1
390
419
        return None
391
420
 
392
421
    def _get_inventory(self):
393
422
        """Get the inventory for the tree. This is only valid within a lock."""
394
 
        if 'evil' in debug.debug_flags:
395
 
            trace.mutter_callsite(2,
396
 
                "accessing .inventory forces a size of tree translation.")
397
423
        if self._inventory is not None:
398
424
            return self._inventory
399
425
        self._must_be_locked()
406
432
    @needs_read_lock
407
433
    def get_parent_ids(self):
408
434
        """See Tree.get_parent_ids.
409
 
 
 
435
        
410
436
        This implementation requests the ids list from the dirstate file.
411
437
        """
412
438
        return self.current_dirstate().get_parent_ids()
428
454
 
429
455
    def has_id(self, file_id):
430
456
        state = self.current_dirstate()
 
457
        file_id = osutils.safe_file_id(file_id)
431
458
        row, parents = self._get_entry(file_id=file_id)
432
459
        if row is None:
433
460
            return False
434
461
        return osutils.lexists(pathjoin(
435
462
                    self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
436
463
 
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
464
    @needs_read_lock
443
465
    def id2path(self, file_id):
444
 
        "Convert a file-id to a path."
 
466
        file_id = osutils.safe_file_id(file_id)
445
467
        state = self.current_dirstate()
446
468
        entry = self._get_entry(file_id=file_id)
447
469
        if entry == (None, None):
449
471
        path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
450
472
        return path_utf8.decode('utf8')
451
473
 
452
 
    def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
453
 
        entry = self._get_entry(path=path)
454
 
        if entry == (None, None):
455
 
            return False # Missing entries are not executable
456
 
        return entry[1][0][3] # Executable?
457
 
 
458
474
    if not osutils.supports_executable():
 
475
        @needs_read_lock
459
476
        def is_executable(self, file_id, path=None):
460
 
            """Test if a file is executable or not.
461
 
 
462
 
            Note: The caller is expected to take a read-lock before calling this.
463
 
            """
 
477
            file_id = osutils.safe_file_id(file_id)
464
478
            entry = self._get_entry(file_id=file_id, path=path)
465
479
            if entry == (None, None):
466
480
                return False
467
481
            return entry[1][0][3]
468
 
 
469
 
        _is_executable_from_path_and_stat = \
470
 
            _is_executable_from_path_and_stat_from_basis
471
482
    else:
 
483
        @needs_read_lock
472
484
        def is_executable(self, file_id, path=None):
473
 
            """Test if a file is executable or not.
474
 
 
475
 
            Note: The caller is expected to take a read-lock before calling this.
476
 
            """
477
 
            self._must_be_locked()
478
485
            if not path:
 
486
                file_id = osutils.safe_file_id(file_id)
479
487
                path = self.id2path(file_id)
480
488
            mode = os.lstat(self.abspath(path)).st_mode
481
489
            return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
482
490
 
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
491
    @needs_read_lock
494
492
    def __iter__(self):
495
493
        """Iterate through file_ids for this tree.
508
506
        return iter(result)
509
507
 
510
508
    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
509
        for key, tree_details in self.current_dirstate()._iter_entries():
516
510
            if tree_details[0][0] in ('a', 'r'): # absent, relocated
517
511
                # not relevant to the working tree
519
513
            if not key[1]:
520
514
                # the root is not a reference.
521
515
                continue
522
 
            relpath = pathjoin(key[0].decode('utf8'), key[1].decode('utf8'))
 
516
            path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
523
517
            try:
524
 
                if self._kind(relpath) == 'tree-reference':
525
 
                    yield relpath, key[2]
 
518
                if self._kind(path) == 'tree-reference':
 
519
                    yield path, key[2]
526
520
            except errors.NoSuchFile:
527
521
                # path is missing on disk.
528
522
                continue
529
523
 
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
 
 
 
524
    @needs_read_lock
536
525
    def kind(self, file_id):
537
526
        """Return the kind of a file.
538
527
 
539
528
        This is always the actual kind that's on disk, regardless of what it
540
529
        was added as.
541
 
 
542
 
        Note: The caller is expected to take a read-lock before calling this.
543
530
        """
544
531
        relpath = self.id2path(file_id)
545
 
        if relpath is None:
546
 
            raise AssertionError(
547
 
                "path for id {%s} is None!" % file_id)
 
532
        assert relpath != None, \
 
533
            "path for id {%s} is None!" % file_id
548
534
        return self._kind(relpath)
549
535
 
550
536
    def _kind(self, relpath):
551
537
        abspath = self.abspath(relpath)
552
538
        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'
 
539
        if (self._repo_supports_tree_reference and
 
540
            kind == 'directory' and
 
541
            self._directory_is_tree_reference(relpath)):
 
542
            kind = 'tree-reference'
558
543
        return kind
559
544
 
560
545
    @needs_read_lock
564
549
        if parent_ids:
565
550
            return parent_ids[0]
566
551
        else:
567
 
            return _mod_revision.NULL_REVISION
 
552
            return None
568
553
 
569
554
    def lock_read(self):
570
555
        """See Branch.lock_read, and WorkingTree.unlock."""
623
608
        result = []
624
609
        if not from_paths:
625
610
            return result
 
611
 
626
612
        state = self.current_dirstate()
627
 
        if isinstance(from_paths, basestring):
628
 
            raise ValueError()
 
613
 
 
614
        assert not isinstance(from_paths, basestring)
629
615
        to_dir_utf8 = to_dir.encode('utf8')
630
616
        to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
631
617
        id_index = state._get_id_index()
653
639
        if self._inventory is not None:
654
640
            update_inventory = True
655
641
            inv = self.inventory
 
642
            to_dir_ie = inv[to_dir_id]
656
643
            to_dir_id = to_entry[0][2]
657
 
            to_dir_ie = inv[to_dir_id]
658
644
        else:
659
645
            update_inventory = False
660
646
 
683
669
            new_entry = to_block[1][added_entry_index]
684
670
            rollbacks.append(lambda:state._make_absent(new_entry))
685
671
 
 
672
        # create rename entries and tuples
686
673
        for from_rel in from_paths:
687
674
            # from_rel is 'pathinroot/foo/bar'
688
675
            from_rel_utf8 = from_rel.encode('utf8')
691
678
            from_entry = self._get_entry(path=from_rel)
692
679
            if from_entry == (None, None):
693
680
                raise errors.BzrMoveFailedError(from_rel,to_dir,
694
 
                    errors.NotVersionedError(path=from_rel))
 
681
                    errors.NotVersionedError(path=str(from_rel)))
695
682
 
696
683
            from_id = from_entry[0][2]
697
684
            to_rel = pathjoin(to_dir, from_tail)
724
711
                if from_missing: # implicitly just update our path mapping
725
712
                    move_file = False
726
713
                elif not after:
727
 
                    raise errors.RenameFailedFilesExist(from_rel, to_rel)
 
714
                    raise errors.RenameFailedFilesExist(from_rel, to_rel,
 
715
                        extra="(Use --after to update the Bazaar id)")
728
716
 
729
717
            rollbacks = []
730
718
            def rollback_rename():
785
773
 
786
774
                if minikind == 'd':
787
775
                    def update_dirblock(from_dir, to_key, to_dir_utf8):
788
 
                        """Recursively update all entries in this dirblock."""
789
 
                        if from_dir == '':
790
 
                            raise AssertionError("renaming root not supported")
 
776
                        """all entries in this block need updating.
 
777
 
 
778
                        TODO: This is pretty ugly, and doesn't support
 
779
                        reverting, but it works.
 
780
                        """
 
781
                        assert from_dir != '', "renaming root not supported"
791
782
                        from_key = (from_dir, '')
792
783
                        from_block_idx, present = \
793
784
                            state._find_block_index_from_key(from_key)
803
794
                        to_block_index = state._ensure_block(
804
795
                            to_block_index, to_entry_index, to_dir_utf8)
805
796
                        to_block = state._dirblocks[to_block_index]
806
 
 
807
 
                        # Grab a copy since move_one may update the list.
808
 
                        for entry in from_block[1][:]:
809
 
                            if not (entry[0][0] == from_dir):
810
 
                                raise AssertionError()
 
797
                        for entry in from_block[1]:
 
798
                            assert entry[0][0] == from_dir
811
799
                            cur_details = entry[1][0]
812
800
                            to_key = (to_dir_utf8, entry[0][1], entry[0][2])
813
801
                            from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
814
802
                            to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
815
803
                            minikind = cur_details[0]
816
 
                            if minikind in 'ar':
817
 
                                # Deleted children of a renamed directory
818
 
                                # Do not need to be updated.
819
 
                                # Children that have been renamed out of this
820
 
                                # directory should also not be updated
821
 
                                continue
822
804
                            move_one(entry, from_path_utf8=from_path_utf8,
823
805
                                     minikind=minikind,
824
806
                                     executable=cur_details[3],
872
854
        for tree in trees:
873
855
            if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
874
856
                parents):
875
 
                return super(DirStateWorkingTree, self).paths2ids(paths,
876
 
                    trees, require_versioned)
 
857
                return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
877
858
        search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
878
859
        # -- make all paths utf8 --
879
860
        paths_utf8 = set()
939
920
            if not all_versioned:
940
921
                raise errors.PathsNotVersionedError(paths)
941
922
        # -- remove redundancy in supplied paths to prevent over-scanning --
942
 
        search_paths = osutils.minimum_path_selection(paths)
943
 
        # sketch:
 
923
        search_paths = set()
 
924
        for path in paths:
 
925
            other_paths = paths.difference(set([path]))
 
926
            if not osutils.is_inside_any(other_paths, path):
 
927
                # this is a top level path, we must check it.
 
928
                search_paths.add(path)
 
929
        # sketch: 
944
930
        # for all search_indexs in each path at or under each element of
945
931
        # search_paths, if the detail is relocated: add the id, and add the
946
932
        # relocated path as one to search if its not searched already. If the
1002
988
 
1003
989
    def read_working_inventory(self):
1004
990
        """Read the working inventory.
1005
 
 
 
991
        
1006
992
        This is a meaningless operation for dirstate, but we obey it anyhow.
1007
993
        """
1008
994
        return self.inventory
1013
999
 
1014
1000
        WorkingTree4 supplies revision_trees for any basis tree.
1015
1001
        """
 
1002
        revision_id = osutils.safe_revision_id(revision_id)
1016
1003
        dirstate = self.current_dirstate()
1017
1004
        parent_ids = dirstate.get_parent_ids()
1018
1005
        if revision_id not in parent_ids:
1025
1012
    @needs_tree_write_lock
1026
1013
    def set_last_revision(self, new_revision):
1027
1014
        """Change the last revision in the working tree."""
 
1015
        new_revision = osutils.safe_revision_id(new_revision)
1028
1016
        parents = self.get_parent_ids()
1029
 
        if new_revision in (_mod_revision.NULL_REVISION, None):
1030
 
            if len(parents) >= 2:
1031
 
                raise AssertionError(
1032
 
                    "setting the last parent to none with a pending merge is "
1033
 
                    "unsupported.")
 
1017
        if new_revision in (NULL_REVISION, None):
 
1018
            assert len(parents) < 2, (
 
1019
                "setting the last parent to none with a pending merge is "
 
1020
                "unsupported.")
1034
1021
            self.set_parent_ids([])
1035
1022
        else:
1036
1023
            self.set_parent_ids([new_revision] + parents[1:],
1039
1026
    @needs_tree_write_lock
1040
1027
    def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1041
1028
        """Set the parent ids to revision_ids.
1042
 
 
 
1029
        
1043
1030
        See also set_parent_trees. This api will try to retrieve the tree data
1044
1031
        for each element of revision_ids from the trees repository. If you have
1045
1032
        tree data already available, it is more efficient to use
1049
1036
        :param revision_ids: The revision_ids to set as the parent ids of this
1050
1037
            working tree. Any of these may be ghosts.
1051
1038
        """
 
1039
        revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
1052
1040
        trees = []
1053
1041
        for revision_id in revision_ids:
1054
1042
            try:
1060
1048
            except (errors.NoSuchRevision, errors.RevisionNotPresent):
1061
1049
                revtree = None
1062
1050
            trees.append((revision_id, revtree))
 
1051
        self.current_dirstate()._validate()
1063
1052
        self.set_parent_trees(trees,
1064
1053
            allow_leftmost_as_ghost=allow_leftmost_as_ghost)
 
1054
        self.current_dirstate()._validate()
1065
1055
 
1066
1056
    @needs_tree_write_lock
1067
1057
    def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1072
1062
            parent tree - i.e. a ghost.
1073
1063
        """
1074
1064
        dirstate = self.current_dirstate()
 
1065
        dirstate._validate()
1075
1066
        if len(parents_list) > 0:
1076
1067
            if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1077
1068
                raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1078
1069
        real_trees = []
1079
1070
        ghosts = []
1080
 
 
1081
 
        parent_ids = [rev_id for rev_id, tree in parents_list]
1082
 
        graph = self.branch.repository.get_graph()
1083
 
        heads = graph.heads(parent_ids)
1084
 
        accepted_revisions = set()
1085
 
 
1086
1071
        # convert absent trees to the null tree, which we convert back to
1087
1072
        # missing on access.
1088
1073
        for rev_id, tree in parents_list:
1089
 
            if len(accepted_revisions) > 0:
1090
 
                # we always accept the first tree
1091
 
                if rev_id in accepted_revisions or rev_id not in heads:
1092
 
                    # We have already included either this tree, or its
1093
 
                    # descendent, so we skip it.
1094
 
                    continue
1095
 
            _mod_revision.check_not_reserved_id(rev_id)
 
1074
            rev_id = osutils.safe_revision_id(rev_id)
1096
1075
            if tree is not None:
1097
1076
                real_trees.append((rev_id, tree))
1098
1077
            else:
1099
1078
                real_trees.append((rev_id,
1100
 
                    self.branch.repository.revision_tree(
1101
 
                        _mod_revision.NULL_REVISION)))
 
1079
                    self.branch.repository.revision_tree(None)))
1102
1080
                ghosts.append(rev_id)
1103
 
            accepted_revisions.add(rev_id)
 
1081
        dirstate._validate()
1104
1082
        dirstate.set_parent_trees(real_trees, ghosts=ghosts)
 
1083
        dirstate._validate()
1105
1084
        self._make_dirty(reset_inventory=False)
 
1085
        dirstate._validate()
1106
1086
 
1107
1087
    def _set_root_id(self, file_id):
1108
1088
        """See WorkingTree.set_root_id."""
1111
1091
        if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1112
1092
            self._make_dirty(reset_inventory=True)
1113
1093
 
1114
 
    def _sha_from_stat(self, path, stat_result):
1115
 
        """Get a sha digest from the tree's stat cache.
1116
 
 
1117
 
        The default implementation assumes no stat cache is present.
1118
 
 
1119
 
        :param path: The path.
1120
 
        :param stat_result: The stat result being looked up.
1121
 
        """
1122
 
        return self.current_dirstate().sha1_from_stat(path, stat_result)
1123
 
 
1124
1094
    @needs_read_lock
1125
1095
    def supports_tree_reference(self):
1126
1096
        return self._repo_supports_tree_reference
1127
1097
 
1128
1098
    def unlock(self):
1129
1099
        """Unlock in format 4 trees needs to write the entire dirstate."""
1130
 
        # do non-implementation specific cleanup
1131
 
        self._cleanup()
1132
 
 
1133
1100
        if self._control_files._lock_count == 1:
1134
1101
            # eventually we should do signature checking during read locks for
1135
1102
            # dirstate updates.
1166
1133
            return
1167
1134
        state = self.current_dirstate()
1168
1135
        state._read_dirblocks_if_needed()
1169
 
        ids_to_unversion = set(file_ids)
 
1136
        ids_to_unversion = set()
 
1137
        for file_id in file_ids:
 
1138
            ids_to_unversion.add(osutils.safe_file_id(file_id))
1170
1139
        paths_to_unversion = set()
1171
1140
        # sketch:
1172
1141
        # check if the root is to be unversioned, if so, assert for now.
1199
1168
                # just forget the whole block.
1200
1169
                entry_index = 0
1201
1170
                while entry_index < len(block[1]):
 
1171
                    # Mark this file id as having been removed
1202
1172
                    entry = block[1][entry_index]
1203
 
                    if entry[1][0][0] in 'ar':
1204
 
                        # don't remove absent or renamed entries
 
1173
                    ids_to_unversion.discard(entry[0][2])
 
1174
                    if (entry[1][0][0] == 'a'
 
1175
                        or not state._make_absent(entry)):
1205
1176
                        entry_index += 1
1206
 
                    else:
1207
 
                        # Mark this file id as having been removed
1208
 
                        ids_to_unversion.discard(entry[0][2])
1209
 
                        if not state._make_absent(entry):
1210
 
                            # The block has not shrunk.
1211
 
                            entry_index += 1
1212
1177
                # go to the next block. (At the moment we dont delete empty
1213
1178
                # dirblocks)
1214
1179
                block_index += 1
1237
1202
            for file_id in file_ids:
1238
1203
                self._inventory.remove_recursive_id(file_id)
1239
1204
 
1240
 
    @needs_tree_write_lock
1241
 
    def rename_one(self, from_rel, to_rel, after=False):
1242
 
        """See WorkingTree.rename_one"""
1243
 
        self.flush()
1244
 
        WorkingTree.rename_one(self, from_rel, to_rel, after)
1245
 
 
1246
 
    @needs_tree_write_lock
1247
 
    def apply_inventory_delta(self, changes):
1248
 
        """See MutableTree.apply_inventory_delta"""
1249
 
        state = self.current_dirstate()
1250
 
        state.update_by_delta(changes)
1251
 
        self._make_dirty(reset_inventory=True)
1252
 
 
1253
 
    def update_basis_by_delta(self, new_revid, delta):
1254
 
        """See MutableTree.update_basis_by_delta."""
1255
 
        if self.last_revision() == new_revid:
1256
 
            raise AssertionError()
1257
 
        self.current_dirstate().update_basis_by_delta(delta, new_revid)
1258
 
 
1259
1205
    @needs_read_lock
1260
1206
    def _validate(self):
1261
1207
        self._dirstate._validate()
1263
1209
    @needs_tree_write_lock
1264
1210
    def _write_inventory(self, inv):
1265
1211
        """Write inventory as the current inventory."""
1266
 
        if self._dirty:
1267
 
            raise AssertionError("attempting to write an inventory when the "
1268
 
                "dirstate is dirty will lose pending changes")
1269
 
        had_inventory = self._inventory is not None
1270
 
        # Setting self._inventory = None forces the dirstate to regenerate the
1271
 
        # working inventory. We do this because self.inventory may be inv, or
1272
 
        # may have been modified, and either case would prevent a clean delta
1273
 
        # being created.
1274
 
        self._inventory = None
1275
 
        # generate a delta,
1276
 
        delta = inv._make_delta(self.inventory)
1277
 
        # and apply it.
1278
 
        self.apply_inventory_delta(delta)
1279
 
        if had_inventory:
 
1212
        assert not self._dirty, "attempting to write an inventory when the dirstate is dirty will cause data loss"
 
1213
        self.current_dirstate().set_state_from_inventory(inv)
 
1214
        self._make_dirty(reset_inventory=False)
 
1215
        if self._inventory is not None:
1280
1216
            self._inventory = inv
1281
1217
        self.flush()
1282
1218
 
1283
1219
 
1284
 
class ContentFilterAwareSHA1Provider(dirstate.SHA1Provider):
1285
 
 
1286
 
    def __init__(self, tree):
1287
 
        self.tree = tree
1288
 
 
1289
 
    def sha1(self, abspath):
1290
 
        """See dirstate.SHA1Provider.sha1()."""
1291
 
        filters = self.tree._content_filter_stack(
1292
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1293
 
        return internal_size_sha_file_byname(abspath, filters)[1]
1294
 
 
1295
 
    def stat_and_sha1(self, abspath):
1296
 
        """See dirstate.SHA1Provider.stat_and_sha1()."""
1297
 
        filters = self.tree._content_filter_stack(
1298
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1299
 
        file_obj = file(abspath, 'rb', 65000)
1300
 
        try:
1301
 
            statvalue = os.fstat(file_obj.fileno())
1302
 
            if filters:
1303
 
                file_obj = filtered_input_file(file_obj, filters)
1304
 
            sha1 = osutils.size_sha_file(file_obj)[1]
1305
 
        finally:
1306
 
            file_obj.close()
1307
 
        return statvalue, sha1
1308
 
 
1309
 
 
1310
 
class ContentFilteringDirStateWorkingTree(DirStateWorkingTree):
1311
 
    """Dirstate working tree that supports content filtering.
1312
 
 
1313
 
    The dirstate holds the hash and size of the canonical form of the file, 
1314
 
    and most methods must return that.
1315
 
    """
1316
 
 
1317
 
    def _file_content_summary(self, path, stat_result):
1318
 
        # This is to support the somewhat obsolete path_content_summary method
1319
 
        # with content filtering: see
1320
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/415508>.
1321
 
        #
1322
 
        # If the dirstate cache is up to date and knows the hash and size,
1323
 
        # return that.
1324
 
        # Otherwise if there are no content filters, return the on-disk size
1325
 
        # and leave the hash blank.
1326
 
        # Otherwise, read and filter the on-disk file and use its size and
1327
 
        # hash.
1328
 
        #
1329
 
        # The dirstate doesn't store the size of the canonical form so we
1330
 
        # can't trust it for content-filtered trees.  We just return None.
1331
 
        dirstate_sha1 = self._dirstate.sha1_from_stat(path, stat_result)
1332
 
        executable = self._is_executable_from_path_and_stat(path, stat_result)
1333
 
        return ('file', None, executable, dirstate_sha1)
1334
 
 
1335
 
 
1336
 
class WorkingTree4(DirStateWorkingTree):
1337
 
    """This is the Format 4 working tree.
1338
 
 
1339
 
    This differs from WorkingTree3 by:
1340
 
     - Having a consolidated internal dirstate, stored in a
1341
 
       randomly-accessible sorted file on disk.
1342
 
     - Not having a regular inventory attribute.  One can be synthesized
1343
 
       on demand but this is expensive and should be avoided.
1344
 
 
1345
 
    This is new in bzr 0.15.
1346
 
    """
1347
 
 
1348
 
 
1349
 
class WorkingTree5(ContentFilteringDirStateWorkingTree):
1350
 
    """This is the Format 5 working tree.
1351
 
 
1352
 
    This differs from WorkingTree4 by:
1353
 
     - Supporting content filtering.
1354
 
 
1355
 
    This is new in bzr 1.11.
1356
 
    """
1357
 
 
1358
 
 
1359
 
class WorkingTree6(ContentFilteringDirStateWorkingTree):
1360
 
    """This is the Format 6 working tree.
1361
 
 
1362
 
    This differs from WorkingTree5 by:
1363
 
     - Supporting a current view that may mask the set of files in a tree
1364
 
       impacted by most user operations.
1365
 
 
1366
 
    This is new in bzr 1.14.
1367
 
    """
1368
 
 
1369
 
    def _make_views(self):
1370
 
        return views.PathBasedViews(self)
1371
 
 
1372
 
 
1373
 
class DirStateWorkingTreeFormat(WorkingTreeFormat3):
1374
 
 
1375
 
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1376
 
                   accelerator_tree=None, hardlink=False):
 
1220
class WorkingTreeFormat4(WorkingTreeFormat3):
 
1221
    """The first consolidated dirstate working tree format.
 
1222
 
 
1223
    This format:
 
1224
        - exists within a metadir controlling .bzr
 
1225
        - includes an explicit version marker for the workingtree control
 
1226
          files, separate from the BzrDir format
 
1227
        - modifies the hash cache format
 
1228
        - is new in bzr 0.15
 
1229
        - uses a LockDir to guard access to it.
 
1230
    """
 
1231
 
 
1232
    upgrade_recommended = False
 
1233
 
 
1234
    def get_format_string(self):
 
1235
        """See WorkingTreeFormat.get_format_string()."""
 
1236
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
 
1237
 
 
1238
    def get_format_description(self):
 
1239
        """See WorkingTreeFormat.get_format_description()."""
 
1240
        return "Working tree format 4"
 
1241
 
 
1242
    def initialize(self, a_bzrdir, revision_id=None):
1377
1243
        """See WorkingTreeFormat.initialize().
1378
1244
 
1379
1245
        :param revision_id: allows creating a working tree at a different
1380
1246
        revision than the branch is at.
1381
 
        :param accelerator_tree: A tree which can be used for retrieving file
1382
 
            contents more quickly than the revision tree, i.e. a workingtree.
1383
 
            The revision tree will be used for cases where accelerator_tree's
1384
 
            content is different.
1385
 
        :param hardlink: If true, hard-link files from accelerator_tree,
1386
 
            where possible.
1387
1247
 
1388
 
        These trees get an initial random root id, if their repository supports
1389
 
        rich root data, TREE_ROOT otherwise.
 
1248
        These trees get an initial random root id.
1390
1249
        """
 
1250
        revision_id = osutils.safe_revision_id(revision_id)
1391
1251
        if not isinstance(a_bzrdir.transport, LocalTransport):
1392
1252
            raise errors.NotLocalUrl(a_bzrdir.transport.base)
1393
1253
        transport = a_bzrdir.get_workingtree_transport(self)
1394
1254
        control_files = self._open_control_files(a_bzrdir)
1395
1255
        control_files.create_lock()
1396
1256
        control_files.lock_write()
1397
 
        transport.put_bytes('format', self.get_format_string(),
1398
 
            mode=a_bzrdir._get_file_mode())
1399
 
        if from_branch is not None:
1400
 
            branch = from_branch
1401
 
        else:
1402
 
            branch = a_bzrdir.open_branch()
 
1257
        control_files.put_utf8('format', self.get_format_string())
 
1258
        branch = a_bzrdir.open_branch()
1403
1259
        if revision_id is None:
1404
1260
            revision_id = branch.last_revision()
1405
1261
        local_path = transport.local_abspath('dirstate')
1407
1263
        state = dirstate.DirState.initialize(local_path)
1408
1264
        state.unlock()
1409
1265
        del state
1410
 
        wt = self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1266
        wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1411
1267
                         branch,
1412
1268
                         _format=self,
1413
1269
                         _bzrdir=a_bzrdir,
1414
1270
                         _control_files=control_files)
1415
1271
        wt._new_tree()
1416
1272
        wt.lock_tree_write()
 
1273
        wt.current_dirstate()._validate()
1417
1274
        try:
1418
 
            self._init_custom_control_files(wt)
1419
 
            if revision_id in (None, _mod_revision.NULL_REVISION):
1420
 
                if branch.repository.supports_rich_root():
1421
 
                    wt._set_root_id(generate_ids.gen_root_id())
1422
 
                else:
1423
 
                    wt._set_root_id(ROOT_ID)
 
1275
            if revision_id in (None, NULL_REVISION):
 
1276
                wt._set_root_id(generate_ids.gen_root_id())
1424
1277
                wt.flush()
1425
 
            basis = None
1426
 
            # frequently, we will get here due to branching.  The accelerator
1427
 
            # tree will be the tree from the branch, so the desired basis
1428
 
            # tree will often be a parent of the accelerator tree.
1429
 
            if accelerator_tree is not None:
1430
 
                try:
1431
 
                    basis = accelerator_tree.revision_tree(revision_id)
1432
 
                except errors.NoSuchRevision:
1433
 
                    pass
1434
 
            if basis is None:
1435
 
                basis = branch.repository.revision_tree(revision_id)
1436
 
            if revision_id == _mod_revision.NULL_REVISION:
1437
 
                parents_list = []
1438
 
            else:
1439
 
                parents_list = [(revision_id, basis)]
 
1278
                wt.current_dirstate()._validate()
 
1279
            wt.set_last_revision(revision_id)
 
1280
            wt.flush()
 
1281
            basis = wt.basis_tree()
1440
1282
            basis.lock_read()
1441
 
            try:
1442
 
                wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
 
1283
            # if the basis has a root id we have to use that; otherwise we use
 
1284
            # a new random one
 
1285
            basis_root_id = basis.get_root_id()
 
1286
            if basis_root_id is not None:
 
1287
                wt._set_root_id(basis_root_id)
1443
1288
                wt.flush()
1444
 
                # if the basis has a root id we have to use that; otherwise we
1445
 
                # use a new random one
1446
 
                basis_root_id = basis.get_root_id()
1447
 
                if basis_root_id is not None:
1448
 
                    wt._set_root_id(basis_root_id)
1449
 
                    wt.flush()
1450
 
                if wt.supports_content_filtering():
1451
 
                    # The original tree may not have the same content filters
1452
 
                    # applied so we can't safely build the inventory delta from
1453
 
                    # the source tree.
1454
 
                    delta_from_tree = False
1455
 
                else:
1456
 
                    delta_from_tree = True
1457
 
                # delta_from_tree is safe even for DirStateRevisionTrees,
1458
 
                # because wt4.apply_inventory_delta does not mutate the input
1459
 
                # inventory entries.
1460
 
                transform.build_tree(basis, wt, accelerator_tree,
1461
 
                                     hardlink=hardlink,
1462
 
                                     delta_from_tree=delta_from_tree)
1463
 
            finally:
1464
 
                basis.unlock()
 
1289
            transform.build_tree(basis, wt)
 
1290
            basis.unlock()
1465
1291
        finally:
1466
1292
            control_files.unlock()
1467
1293
            wt.unlock()
1468
1294
        return wt
1469
1295
 
1470
 
    def _init_custom_control_files(self, wt):
1471
 
        """Subclasses with custom control files should override this method.
1472
 
 
1473
 
        The working tree and control files are locked for writing when this
1474
 
        method is called.
1475
 
 
1476
 
        :param wt: the WorkingTree object
1477
 
        """
1478
 
 
1479
1296
    def _open(self, a_bzrdir, control_files):
1480
1297
        """Open the tree itself.
1481
1298
 
1482
1299
        :param a_bzrdir: the dir for the tree.
1483
1300
        :param control_files: the control files for the tree.
1484
1301
        """
1485
 
        return self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
 
1302
        return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1486
1303
                           branch=a_bzrdir.open_branch(),
1487
1304
                           _format=self,
1488
1305
                           _bzrdir=a_bzrdir,
1489
1306
                           _control_files=control_files)
1490
1307
 
1491
1308
    def __get_matchingbzrdir(self):
1492
 
        return self._get_matchingbzrdir()
1493
 
 
1494
 
    def _get_matchingbzrdir(self):
1495
 
        """Overrideable method to get a bzrdir for testing."""
1496
1309
        # please test against something that will let us do tree references
1497
1310
        return bzrdir.format_registry.make_bzrdir(
1498
1311
            'dirstate-with-subtree')
1500
1313
    _matchingbzrdir = property(__get_matchingbzrdir)
1501
1314
 
1502
1315
 
1503
 
class WorkingTreeFormat4(DirStateWorkingTreeFormat):
1504
 
    """The first consolidated dirstate working tree format.
1505
 
 
1506
 
    This format:
1507
 
        - exists within a metadir controlling .bzr
1508
 
        - includes an explicit version marker for the workingtree control
1509
 
          files, separate from the BzrDir format
1510
 
        - modifies the hash cache format
1511
 
        - is new in bzr 0.15
1512
 
        - uses a LockDir to guard access to it.
1513
 
    """
1514
 
 
1515
 
    upgrade_recommended = False
1516
 
 
1517
 
    _tree_class = WorkingTree4
1518
 
 
1519
 
    def get_format_string(self):
1520
 
        """See WorkingTreeFormat.get_format_string()."""
1521
 
        return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1522
 
 
1523
 
    def get_format_description(self):
1524
 
        """See WorkingTreeFormat.get_format_description()."""
1525
 
        return "Working tree format 4"
1526
 
 
1527
 
 
1528
 
class WorkingTreeFormat5(DirStateWorkingTreeFormat):
1529
 
    """WorkingTree format supporting content filtering.
1530
 
    """
1531
 
 
1532
 
    upgrade_recommended = False
1533
 
 
1534
 
    _tree_class = WorkingTree5
1535
 
 
1536
 
    def get_format_string(self):
1537
 
        """See WorkingTreeFormat.get_format_string()."""
1538
 
        return "Bazaar Working Tree Format 5 (bzr 1.11)\n"
1539
 
 
1540
 
    def get_format_description(self):
1541
 
        """See WorkingTreeFormat.get_format_description()."""
1542
 
        return "Working tree format 5"
1543
 
 
1544
 
    def supports_content_filtering(self):
1545
 
        return True
1546
 
 
1547
 
 
1548
 
class WorkingTreeFormat6(DirStateWorkingTreeFormat):
1549
 
    """WorkingTree format supporting views.
1550
 
    """
1551
 
 
1552
 
    upgrade_recommended = False
1553
 
 
1554
 
    _tree_class = WorkingTree6
1555
 
 
1556
 
    def get_format_string(self):
1557
 
        """See WorkingTreeFormat.get_format_string()."""
1558
 
        return "Bazaar Working Tree Format 6 (bzr 1.14)\n"
1559
 
 
1560
 
    def get_format_description(self):
1561
 
        """See WorkingTreeFormat.get_format_description()."""
1562
 
        return "Working tree format 6"
1563
 
 
1564
 
    def _init_custom_control_files(self, wt):
1565
 
        """Subclasses with custom control files should override this method."""
1566
 
        wt._transport.put_bytes('views', '', mode=wt.bzrdir._get_file_mode())
1567
 
 
1568
 
    def supports_content_filtering(self):
1569
 
        return True
1570
 
 
1571
 
    def supports_views(self):
1572
 
        return True
1573
 
 
1574
 
 
1575
1316
class DirStateRevisionTree(Tree):
1576
 
    """A revision tree pulling the inventory from a dirstate.
1577
 
    
1578
 
    Note that this is one of the historical (ie revision) trees cached in the
1579
 
    dirstate for easy access, not the workingtree.
1580
 
    """
 
1317
    """A revision tree pulling the inventory from a dirstate."""
1581
1318
 
1582
1319
    def __init__(self, dirstate, revision_id, repository):
1583
1320
        self._dirstate = dirstate
1584
 
        self._revision_id = revision_id
 
1321
        self._revision_id = osutils.safe_revision_id(revision_id)
1585
1322
        self._repository = repository
1586
1323
        self._inventory = None
1587
1324
        self._locked = 0
1588
1325
        self._dirstate_locked = False
1589
 
        self._repo_supports_tree_reference = getattr(
1590
 
            repository._format, "supports_tree_reference",
1591
 
            False)
1592
1326
 
1593
1327
    def __repr__(self):
1594
1328
        return "<%s of %s in %s>" % \
1595
1329
            (self.__class__.__name__, self._revision_id, self._dirstate)
1596
1330
 
1597
 
    def annotate_iter(self, file_id,
1598
 
                      default_revision=_mod_revision.CURRENT_REVISION):
 
1331
    def annotate_iter(self, file_id):
1599
1332
        """See Tree.annotate_iter"""
1600
 
        text_key = (file_id, self.inventory[file_id].revision)
1601
 
        annotations = self._repository.texts.annotate(text_key)
1602
 
        return [(key[-1], line) for (key, line) in annotations]
 
1333
        w = self._repository.weave_store.get_weave(file_id,
 
1334
                           self._repository.get_transaction())
 
1335
        return w.annotate_iter(self.inventory[file_id].revision)
1603
1336
 
1604
 
    def _get_ancestors(self, default_revision):
1605
 
        return set(self._repository.get_ancestry(self._revision_id,
1606
 
                                                 topo_sorted=False))
1607
1337
    def _comparison_data(self, entry, path):
1608
1338
        """See Tree._comparison_data."""
1609
1339
        if entry is None:
1626
1356
    def get_root_id(self):
1627
1357
        return self.path2id('')
1628
1358
 
1629
 
    def id2path(self, file_id):
1630
 
        "Convert a file-id to a path."
1631
 
        entry = self._get_entry(file_id=file_id)
1632
 
        if entry == (None, None):
1633
 
            raise errors.NoSuchId(tree=self, file_id=file_id)
1634
 
        path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1635
 
        return path_utf8.decode('utf8')
1636
 
 
1637
 
    def iter_references(self):
1638
 
        if not self._repo_supports_tree_reference:
1639
 
            # When the repo doesn't support references, we will have nothing to
1640
 
            # return
1641
 
            return iter([])
1642
 
        # Otherwise, fall back to the default implementation
1643
 
        return super(DirStateRevisionTree, self).iter_references()
1644
 
 
1645
1359
    def _get_parent_index(self):
1646
1360
        """Return the index in the dirstate referenced by this tree."""
1647
1361
        return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1652
1366
        If either file_id or path is supplied, it is used as the key to lookup.
1653
1367
        If both are supplied, the fastest lookup is used, and an error is
1654
1368
        raised if they do not both point at the same row.
1655
 
 
 
1369
        
1656
1370
        :param file_id: An optional unicode file_id to be looked up.
1657
1371
        :param path: An optional unicode path to be looked up.
1658
1372
        :return: The dirstate row tuple for path/file_id, or (None, None)
1659
1373
        """
1660
1374
        if file_id is None and path is None:
1661
1375
            raise errors.BzrError('must supply file_id or path')
 
1376
        file_id = osutils.safe_file_id(file_id)
1662
1377
        if path is not None:
1663
1378
            path = path.encode('utf8')
1664
1379
        parent_index = self._get_parent_index()
1672
1387
 
1673
1388
        This is relatively expensive: we have to walk the entire dirstate.
1674
1389
        """
1675
 
        if not self._locked:
1676
 
            raise AssertionError(
1677
 
                'cannot generate inventory of an unlocked '
1678
 
                'dirstate revision tree')
 
1390
        assert self._locked, 'cannot generate inventory of an unlocked '\
 
1391
            'dirstate revision tree'
1679
1392
        # separate call for profiling - makes it clear where the costs are.
1680
1393
        self._dirstate._read_dirblocks_if_needed()
1681
 
        if self._revision_id not in self._dirstate.get_parent_ids():
1682
 
            raise AssertionError(
1683
 
                'parent %s has disappeared from %s' % (
1684
 
                self._revision_id, self._dirstate.get_parent_ids()))
 
1394
        assert self._revision_id in self._dirstate.get_parent_ids(), \
 
1395
            'parent %s has disappeared from %s' % (
 
1396
            self._revision_id, self._dirstate.get_parent_ids())
1685
1397
        parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1686
1398
        # This is identical now to the WorkingTree _generate_inventory except
1687
1399
        # for the tree index use.
1688
1400
        root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1689
1401
        current_id = root_key[2]
1690
 
        if current_entry[parent_index][0] != 'd':
1691
 
            raise AssertionError()
 
1402
        assert current_entry[parent_index][0] == 'd'
1692
1403
        inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1693
1404
        inv.root.revision = current_entry[parent_index][4]
1694
1405
        # Turn some things into local variables
1734
1445
                    raise AssertionError("cannot convert entry %r into an InventoryEntry"
1735
1446
                            % entry)
1736
1447
                # These checks cost us around 40ms on a 55k entry tree
1737
 
                if file_id in inv_byid:
1738
 
                    raise AssertionError('file_id %s already in'
1739
 
                        ' inventory as %s' % (file_id, inv_byid[file_id]))
1740
 
                if name_unicode in parent_ie.children:
1741
 
                    raise AssertionError('name %r already in parent'
1742
 
                        % (name_unicode,))
 
1448
                assert file_id not in inv_byid
 
1449
                assert name_unicode not in parent_ie.children
1743
1450
                inv_byid[file_id] = inv_entry
1744
1451
                parent_ie.children[name_unicode] = inv_entry
1745
1452
        self._inventory = inv
1755
1462
            return None
1756
1463
        parent_index = self._get_parent_index()
1757
1464
        last_changed_revision = entry[1][parent_index][4]
1758
 
        try:
1759
 
            rev = self._repository.get_revision(last_changed_revision)
1760
 
        except errors.NoSuchRevision:
1761
 
            raise errors.FileTimestampUnavailable(self.id2path(file_id))
1762
 
        return rev.timestamp
 
1465
        return self._repository.get_revision(last_changed_revision).timestamp
1763
1466
 
1764
1467
    def get_file_sha1(self, file_id, path=None, stat_value=None):
1765
1468
        entry = self._get_entry(file_id=file_id, path=path)
1769
1472
            return parent_details[1]
1770
1473
        return None
1771
1474
 
1772
 
    def get_file(self, file_id, path=None):
 
1475
    def get_file(self, file_id):
1773
1476
        return StringIO(self.get_file_text(file_id))
1774
1477
 
 
1478
    def get_file_lines(self, file_id):
 
1479
        ie = self.inventory[file_id]
 
1480
        return self._repository.weave_store.get_weave(file_id,
 
1481
                self._repository.get_transaction()).get_lines(ie.revision)
 
1482
 
1775
1483
    def get_file_size(self, file_id):
1776
 
        """See Tree.get_file_size"""
1777
1484
        return self.inventory[file_id].text_size
1778
1485
 
1779
 
    def get_file_text(self, file_id, path=None):
1780
 
        _, content = list(self.iter_files_bytes([(file_id, None)]))[0]
1781
 
        return ''.join(content)
 
1486
    def get_file_text(self, file_id):
 
1487
        return ''.join(self.get_file_lines(file_id))
1782
1488
 
1783
1489
    def get_reference_revision(self, file_id, path=None):
1784
1490
        return self.inventory[file_id].reference_revision
1785
1491
 
1786
 
    def iter_files_bytes(self, desired_files):
1787
 
        """See Tree.iter_files_bytes.
1788
 
 
1789
 
        This version is implemented on top of Repository.iter_files_bytes"""
1790
 
        parent_index = self._get_parent_index()
1791
 
        repo_desired_files = []
1792
 
        for file_id, identifier in desired_files:
1793
 
            entry = self._get_entry(file_id)
1794
 
            if entry == (None, None):
1795
 
                raise errors.NoSuchId(self, file_id)
1796
 
            repo_desired_files.append((file_id, entry[1][parent_index][4],
1797
 
                                       identifier))
1798
 
        return self._repository.iter_files_bytes(repo_desired_files)
1799
 
 
1800
1492
    def get_symlink_target(self, file_id):
1801
1493
        entry = self._get_entry(file_id=file_id)
1802
1494
        parent_index = self._get_parent_index()
1803
1495
        if entry[1][parent_index][0] != 'l':
1804
1496
            return None
1805
1497
        else:
1806
 
            target = entry[1][parent_index][1]
1807
 
            target = target.decode('utf8')
1808
 
            return target
 
1498
            # At present, none of the tree implementations supports non-ascii
 
1499
            # symlink targets. So we will just assume that the dirstate path is
 
1500
            # correct.
 
1501
            return entry[1][parent_index][1]
1809
1502
 
1810
1503
    def get_revision_id(self):
1811
1504
        """Return the revision id for this tree."""
1829
1522
        return bool(self.path2id(filename))
1830
1523
 
1831
1524
    def kind(self, file_id):
1832
 
        entry = self._get_entry(file_id=file_id)[1]
1833
 
        if entry is None:
1834
 
            raise errors.NoSuchId(tree=self, file_id=file_id)
1835
 
        parent_index = self._get_parent_index()
1836
 
        return dirstate.DirState._minikind_to_kind[entry[parent_index][0]]
1837
 
 
1838
 
    def stored_kind(self, file_id):
1839
 
        """See Tree.stored_kind"""
1840
 
        return self.kind(file_id)
1841
 
 
1842
 
    def path_content_summary(self, path):
1843
 
        """See Tree.path_content_summary."""
1844
 
        id = self.inventory.path2id(path)
1845
 
        if id is None:
1846
 
            return ('missing', None, None, None)
1847
 
        entry = self._inventory[id]
1848
 
        kind = entry.kind
1849
 
        if kind == 'file':
1850
 
            return (kind, entry.text_size, entry.executable, entry.text_sha1)
1851
 
        elif kind == 'symlink':
1852
 
            return (kind, None, None, entry.symlink_target)
1853
 
        else:
1854
 
            return (kind, None, None, None)
 
1525
        return self.inventory[file_id].kind
1855
1526
 
1856
1527
    def is_executable(self, file_id, path=None):
1857
1528
        ie = self.inventory[file_id]
1859
1530
            return None
1860
1531
        return ie.executable
1861
1532
 
1862
 
    def list_files(self, include_root=False, from_dir=None, recursive=True):
 
1533
    def list_files(self, include_root=False):
1863
1534
        # We use a standard implementation, because DirStateRevisionTree is
1864
1535
        # dealing with one of the parents of the current state
1865
1536
        inv = self._get_inventory()
1866
 
        if from_dir is None:
1867
 
            from_dir_id = None
1868
 
        else:
1869
 
            from_dir_id = inv.path2id(from_dir)
1870
 
            if from_dir_id is None:
1871
 
                # Directory not versioned
1872
 
                return
1873
 
        entries = inv.iter_entries(from_dir=from_dir_id, recursive=recursive)
1874
 
        if inv.root is not None and not include_root and from_dir is None:
 
1537
        entries = inv.iter_entries()
 
1538
        if self.inventory.root is not None and not include_root:
1875
1539
            entries.next()
1876
1540
        for path, entry in entries:
1877
1541
            yield path, 'V', entry.kind, entry.file_id, entry
1910
1574
                self._dirstate_locked = False
1911
1575
            self._repository.unlock()
1912
1576
 
1913
 
    @needs_read_lock
1914
 
    def supports_tree_reference(self):
1915
 
        return self._repo_supports_tree_reference
1916
 
 
1917
1577
    def walkdirs(self, prefix=""):
1918
1578
        # TODO: jam 20070215 This is the lazy way by using the RevisionTree
1919
 
        # implementation based on an inventory.
 
1579
        # implementation based on an inventory.  
1920
1580
        # This should be cleaned up to use the much faster Dirstate code
1921
1581
        # So for now, we just build up the parent inventory, and extract
1922
1582
        # it the same way RevisionTree does.
1951
1611
 
1952
1612
class InterDirStateTree(InterTree):
1953
1613
    """Fast path optimiser for changes_from with dirstate trees.
1954
 
 
1955
 
    This is used only when both trees are in the dirstate working file, and
1956
 
    the source is any parent within the dirstate, and the destination is
 
1614
    
 
1615
    This is used only when both trees are in the dirstate working file, and 
 
1616
    the source is any parent within the dirstate, and the destination is 
1957
1617
    the current working tree of the same dirstate.
1958
1618
    """
1959
1619
    # this could be generalized to allow comparisons between any trees in the
1972
1632
        target.set_parent_ids([revid])
1973
1633
        return target.basis_tree(), target
1974
1634
 
1975
 
    @classmethod
1976
 
    def make_source_parent_tree_python_dirstate(klass, test_case, source, target):
1977
 
        result = klass.make_source_parent_tree(source, target)
1978
 
        result[1]._iter_changes = dirstate.ProcessEntryPython
1979
 
        return result
1980
 
 
1981
 
    @classmethod
1982
 
    def make_source_parent_tree_compiled_dirstate(klass, test_case, source,
1983
 
                                                  target):
1984
 
        from bzrlib.tests.test__dirstate_helpers import \
1985
 
            compiled_dirstate_helpers_feature
1986
 
        test_case.requireFeature(compiled_dirstate_helpers_feature)
1987
 
        from bzrlib._dirstate_helpers_pyx import ProcessEntryC
1988
 
        result = klass.make_source_parent_tree(source, target)
1989
 
        result[1]._iter_changes = ProcessEntryC
1990
 
        return result
1991
 
 
1992
1635
    _matching_from_tree_format = WorkingTreeFormat4()
1993
1636
    _matching_to_tree_format = WorkingTreeFormat4()
1994
 
 
1995
 
    @classmethod
1996
 
    def _test_mutable_trees_to_test_trees(klass, test_case, source, target):
1997
 
        # This method shouldn't be called, because we have python and C
1998
 
        # specific flavours.
1999
 
        raise NotImplementedError
2000
 
 
2001
 
    def iter_changes(self, include_unchanged=False,
 
1637
    _test_mutable_trees_to_test_trees = make_source_parent_tree
 
1638
 
 
1639
    def _iter_changes(self, include_unchanged=False,
2002
1640
                      specific_files=None, pb=None, extra_trees=[],
2003
1641
                      require_versioned=True, want_unversioned=False):
2004
1642
        """Return the changes from source to target.
2005
1643
 
2006
 
        :return: An iterator that yields tuples. See InterTree.iter_changes
 
1644
        :return: An iterator that yields tuples. See InterTree._iter_changes
2007
1645
            for details.
2008
1646
        :param specific_files: An optional list of file paths to restrict the
2009
1647
            comparison to. When mapping filenames to ids, all matches in all
2020
1658
            output. An unversioned file is defined as one with (False, False)
2021
1659
            for the versioned pair.
2022
1660
        """
 
1661
        utf8_decode_or_none = cache_utf8._utf8_decode_with_None
 
1662
        _minikind_to_kind = dirstate.DirState._minikind_to_kind
 
1663
        # NB: show_status depends on being able to pass in non-versioned files
 
1664
        # and report them as unknown
2023
1665
        # TODO: handle extra trees in the dirstate.
2024
 
        if (extra_trees or specific_files == []):
 
1666
        # TODO: handle comparisons as an empty tree as a different special
 
1667
        # case? mbp 20070226
 
1668
        if extra_trees or (self.source._revision_id == NULL_REVISION):
2025
1669
            # we can't fast-path these cases (yet)
2026
 
            return super(InterDirStateTree, self).iter_changes(
 
1670
            for f in super(InterDirStateTree, self)._iter_changes(
2027
1671
                include_unchanged, specific_files, pb, extra_trees,
2028
 
                require_versioned, want_unversioned=want_unversioned)
 
1672
                require_versioned, want_unversioned=want_unversioned):
 
1673
                yield f
 
1674
            return
2029
1675
        parent_ids = self.target.get_parent_ids()
2030
 
        if not (self.source._revision_id in parent_ids
2031
 
                or self.source._revision_id == _mod_revision.NULL_REVISION):
2032
 
            raise AssertionError(
2033
 
                "revision {%s} is not stored in {%s}, but %s "
2034
 
                "can only be used for trees stored in the dirstate"
2035
 
                % (self.source._revision_id, self.target, self.iter_changes))
 
1676
        assert (self.source._revision_id in parent_ids), \
 
1677
                "revision {%s} is not stored in {%s}, but %s " \
 
1678
                "can only be used for trees stored in the dirstate" \
 
1679
                % (self.source._revision_id, self.target, self._iter_changes)
2036
1680
        target_index = 0
2037
 
        if self.source._revision_id == _mod_revision.NULL_REVISION:
 
1681
        if self.source._revision_id == NULL_REVISION:
2038
1682
            source_index = None
2039
1683
            indices = (target_index,)
2040
1684
        else:
2041
 
            if not (self.source._revision_id in parent_ids):
2042
 
                raise AssertionError(
2043
 
                    "Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
2044
 
                    self.source._revision_id, parent_ids))
 
1685
            assert (self.source._revision_id in parent_ids), \
 
1686
                "Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
 
1687
                self.source._revision_id, parent_ids)
2045
1688
            source_index = 1 + parent_ids.index(self.source._revision_id)
2046
 
            indices = (source_index, target_index)
 
1689
            indices = (source_index,target_index)
2047
1690
        # -- make all specific_files utf8 --
2048
1691
        if specific_files:
2049
1692
            specific_files_utf8 = set()
2050
1693
            for path in specific_files:
2051
 
                # Note, if there are many specific files, using cache_utf8
2052
 
                # would be good here.
2053
1694
                specific_files_utf8.add(path.encode('utf8'))
2054
1695
            specific_files = specific_files_utf8
2055
1696
        else:
2056
1697
            specific_files = set([''])
2057
1698
        # -- specific_files is now a utf8 path set --
2058
 
 
2059
1699
        # -- get the state object and prepare it.
2060
1700
        state = self.target.current_dirstate()
2061
1701
        state._read_dirblocks_if_needed()
 
1702
        def _entries_for_path(path):
 
1703
            """Return a list with all the entries that match path for all ids.
 
1704
            """
 
1705
            dirname, basename = os.path.split(path)
 
1706
            key = (dirname, basename, '')
 
1707
            block_index, present = state._find_block_index_from_key(key)
 
1708
            if not present:
 
1709
                # the block which should contain path is absent.
 
1710
                return []
 
1711
            result = []
 
1712
            block = state._dirblocks[block_index][1]
 
1713
            entry_index, _ = state._find_entry_index(key, block)
 
1714
            # we may need to look at multiple entries at this path: walk while the specific_files match.
 
1715
            while (entry_index < len(block) and
 
1716
                block[entry_index][0][0:2] == key[0:2]):
 
1717
                result.append(block[entry_index])
 
1718
                entry_index += 1
 
1719
            return result
2062
1720
        if require_versioned:
2063
1721
            # -- check all supplied paths are versioned in a search tree. --
2064
 
            not_versioned = []
 
1722
            all_versioned = True
2065
1723
            for path in specific_files:
2066
 
                path_entries = state._entries_for_path(path)
 
1724
                path_entries = _entries_for_path(path)
2067
1725
                if not path_entries:
2068
1726
                    # this specified path is not present at all: error
2069
 
                    not_versioned.append(path)
2070
 
                    continue
 
1727
                    all_versioned = False
 
1728
                    break
2071
1729
                found_versioned = False
2072
1730
                # for each id at this path
2073
1731
                for entry in path_entries:
2080
1738
                if not found_versioned:
2081
1739
                    # none of the indexes was not 'absent' at all ids for this
2082
1740
                    # path.
2083
 
                    not_versioned.append(path)
2084
 
            if len(not_versioned) > 0:
2085
 
                raise errors.PathsNotVersionedError(not_versioned)
 
1741
                    all_versioned = False
 
1742
                    break
 
1743
            if not all_versioned:
 
1744
                raise errors.PathsNotVersionedError(specific_files)
2086
1745
        # -- remove redundancy in supplied specific_files to prevent over-scanning --
2087
 
        search_specific_files = osutils.minimum_path_selection(specific_files)
 
1746
        search_specific_files = set()
 
1747
        for path in specific_files:
 
1748
            other_specific_files = specific_files.difference(set([path]))
 
1749
            if not osutils.is_inside_any(other_specific_files, path):
 
1750
                # this is a top level path, we must check it.
 
1751
                search_specific_files.add(path)
 
1752
        # sketch: 
 
1753
        # compare source_index and target_index at or under each element of search_specific_files.
 
1754
        # follow the following comparison table. Note that we only want to do diff operations when
 
1755
        # the target is fdl because thats when the walkdirs logic will have exposed the pathinfo 
 
1756
        # for the target.
 
1757
        # cases:
 
1758
        # 
 
1759
        # Source | Target | disk | action
 
1760
        #   r    | fdlt   |      | add source to search, add id path move and perform
 
1761
        #        |        |      | diff check on source-target
 
1762
        #   r    | fdlt   |  a   | dangling file that was present in the basis. 
 
1763
        #        |        |      | ???
 
1764
        #   r    |  a     |      | add source to search
 
1765
        #   r    |  a     |  a   | 
 
1766
        #   r    |  r     |      | this path is present in a non-examined tree, skip.
 
1767
        #   r    |  r     |  a   | this path is present in a non-examined tree, skip.
 
1768
        #   a    | fdlt   |      | add new id
 
1769
        #   a    | fdlt   |  a   | dangling locally added file, skip
 
1770
        #   a    |  a     |      | not present in either tree, skip
 
1771
        #   a    |  a     |  a   | not present in any tree, skip
 
1772
        #   a    |  r     |      | not present in either tree at this path, skip as it
 
1773
        #        |        |      | may not be selected by the users list of paths.
 
1774
        #   a    |  r     |  a   | not present in either tree at this path, skip as it
 
1775
        #        |        |      | may not be selected by the users list of paths.
 
1776
        #  fdlt  | fdlt   |      | content in both: diff them
 
1777
        #  fdlt  | fdlt   |  a   | deleted locally, but not unversioned - show as deleted ?
 
1778
        #  fdlt  |  a     |      | unversioned: output deleted id for now
 
1779
        #  fdlt  |  a     |  a   | unversioned and deleted: output deleted id
 
1780
        #  fdlt  |  r     |      | relocated in this tree, so add target to search.
 
1781
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1782
        #        |        |      | this id at the other path.
 
1783
        #  fdlt  |  r     |  a   | relocated in this tree, so add target to search.
 
1784
        #        |        |      | Dont diff, we will see an r,fd; pair when we reach
 
1785
        #        |        |      | this id at the other path.
 
1786
 
 
1787
        # for all search_indexs in each path at or under each element of
 
1788
        # search_specific_files, if the detail is relocated: add the id, and add the
 
1789
        # relocated path as one to search if its not searched already. If the
 
1790
        # detail is not relocated, add the id.
 
1791
        searched_specific_files = set()
 
1792
        NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
 
1793
        # Using a list so that we can access the values and change them in
 
1794
        # nested scope. Each one is [path, file_id, entry]
 
1795
        last_source_parent = [None, None, None]
 
1796
        last_target_parent = [None, None, None]
2088
1797
 
2089
1798
        use_filesystem_for_exec = (sys.platform != 'win32')
2090
 
        iter_changes = self.target._iter_changes(include_unchanged,
2091
 
            use_filesystem_for_exec, search_specific_files, state,
2092
 
            source_index, target_index, want_unversioned, self.target)
2093
 
        return iter_changes.iter_changes()
 
1799
 
 
1800
        def _process_entry(entry, path_info):
 
1801
            """Compare an entry and real disk to generate delta information.
 
1802
 
 
1803
            :param path_info: top_relpath, basename, kind, lstat, abspath for
 
1804
                the path of entry. If None, then the path is considered absent.
 
1805
                (Perhaps we should pass in a concrete entry for this ?)
 
1806
                Basename is returned as a utf8 string because we expect this
 
1807
                tuple will be ignored, and don't want to take the time to
 
1808
                decode.
 
1809
            """
 
1810
            if source_index is None:
 
1811
                source_details = NULL_PARENT_DETAILS
 
1812
            else:
 
1813
                source_details = entry[1][source_index]
 
1814
            target_details = entry[1][target_index]
 
1815
            target_minikind = target_details[0]
 
1816
            if path_info is not None and target_minikind in 'fdlt':
 
1817
                assert target_index == 0
 
1818
                link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
 
1819
                                                  stat_value=path_info[3])
 
1820
                # The entry may have been modified by update_entry
 
1821
                target_details = entry[1][target_index]
 
1822
                target_minikind = target_details[0]
 
1823
            else:
 
1824
                link_or_sha1 = None
 
1825
            source_minikind = source_details[0]
 
1826
            if source_minikind in 'fdltr' and target_minikind in 'fdlt':
 
1827
                # claimed content in both: diff
 
1828
                #   r    | fdlt   |      | add source to search, add id path move and perform
 
1829
                #        |        |      | diff check on source-target
 
1830
                #   r    | fdlt   |  a   | dangling file that was present in the basis.
 
1831
                #        |        |      | ???
 
1832
                if source_minikind in 'r':
 
1833
                    # add the source to the search path to find any children it
 
1834
                    # has.  TODO ? : only add if it is a container ?
 
1835
                    if not osutils.is_inside_any(searched_specific_files,
 
1836
                                                 source_details[1]):
 
1837
                        search_specific_files.add(source_details[1])
 
1838
                    # generate the old path; this is needed for stating later
 
1839
                    # as well.
 
1840
                    old_path = source_details[1]
 
1841
                    old_dirname, old_basename = os.path.split(old_path)
 
1842
                    path = pathjoin(entry[0][0], entry[0][1])
 
1843
                    old_entry = state._get_entry(source_index,
 
1844
                                                 path_utf8=old_path)
 
1845
                    # update the source details variable to be the real
 
1846
                    # location.
 
1847
                    source_details = old_entry[1][source_index]
 
1848
                    source_minikind = source_details[0]
 
1849
                else:
 
1850
                    old_dirname = entry[0][0]
 
1851
                    old_basename = entry[0][1]
 
1852
                    old_path = path = pathjoin(old_dirname, old_basename)
 
1853
                if path_info is None:
 
1854
                    # the file is missing on disk, show as removed.
 
1855
                    content_change = True
 
1856
                    target_kind = None
 
1857
                    target_exec = False
 
1858
                else:
 
1859
                    # source and target are both versioned and disk file is present.
 
1860
                    target_kind = path_info[2]
 
1861
                    if target_kind == 'directory':
 
1862
                        if source_minikind != 'd':
 
1863
                            content_change = True
 
1864
                        else:
 
1865
                            # directories have no fingerprint
 
1866
                            content_change = False
 
1867
                        target_exec = False
 
1868
                    elif target_kind == 'file':
 
1869
                        if source_minikind != 'f':
 
1870
                            content_change = True
 
1871
                        else:
 
1872
                            # We could check the size, but we already have the
 
1873
                            # sha1 hash.
 
1874
                            content_change = (link_or_sha1 != source_details[1])
 
1875
                        # Target details is updated at update_entry time
 
1876
                        if use_filesystem_for_exec:
 
1877
                            # We don't need S_ISREG here, because we are sure
 
1878
                            # we are dealing with a file.
 
1879
                            target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
 
1880
                        else:
 
1881
                            target_exec = target_details[3]
 
1882
                    elif target_kind == 'symlink':
 
1883
                        if source_minikind != 'l':
 
1884
                            content_change = True
 
1885
                        else:
 
1886
                            content_change = (link_or_sha1 != source_details[1])
 
1887
                        target_exec = False
 
1888
                    elif target_kind == 'tree-reference':
 
1889
                        if source_minikind != 't':
 
1890
                            content_change = True
 
1891
                        else:
 
1892
                            content_change = False
 
1893
                        target_exec = False
 
1894
                    else:
 
1895
                        raise Exception, "unknown kind %s" % path_info[2]
 
1896
                # parent id is the entry for the path in the target tree
 
1897
                if old_dirname == last_source_parent[0]:
 
1898
                    source_parent_id = last_source_parent[1]
 
1899
                else:
 
1900
                    source_parent_entry = state._get_entry(source_index,
 
1901
                                                           path_utf8=old_dirname)
 
1902
                    source_parent_id = source_parent_entry[0][2]
 
1903
                    if source_parent_id == entry[0][2]:
 
1904
                        # This is the root, so the parent is None
 
1905
                        source_parent_id = None
 
1906
                    else:
 
1907
                        last_source_parent[0] = old_dirname
 
1908
                        last_source_parent[1] = source_parent_id
 
1909
                        last_source_parent[2] = source_parent_entry
 
1910
                new_dirname = entry[0][0]
 
1911
                if new_dirname == last_target_parent[0]:
 
1912
                    target_parent_id = last_target_parent[1]
 
1913
                else:
 
1914
                    # TODO: We don't always need to do the lookup, because the
 
1915
                    #       parent entry will be the same as the source entry.
 
1916
                    target_parent_entry = state._get_entry(target_index,
 
1917
                                                           path_utf8=new_dirname)
 
1918
                    target_parent_id = target_parent_entry[0][2]
 
1919
                    if target_parent_id == entry[0][2]:
 
1920
                        # This is the root, so the parent is None
 
1921
                        target_parent_id = None
 
1922
                    else:
 
1923
                        last_target_parent[0] = new_dirname
 
1924
                        last_target_parent[1] = target_parent_id
 
1925
                        last_target_parent[2] = target_parent_entry
 
1926
 
 
1927
                source_exec = source_details[3]
 
1928
                return ((entry[0][2], (old_path, path), content_change,
 
1929
                        (True, True),
 
1930
                        (source_parent_id, target_parent_id),
 
1931
                        (old_basename, entry[0][1]),
 
1932
                        (_minikind_to_kind[source_minikind], target_kind),
 
1933
                        (source_exec, target_exec)),)
 
1934
            elif source_minikind in 'a' and target_minikind in 'fdlt':
 
1935
                # looks like a new file
 
1936
                if path_info is not None:
 
1937
                    path = pathjoin(entry[0][0], entry[0][1])
 
1938
                    # parent id is the entry for the path in the target tree
 
1939
                    # TODO: these are the same for an entire directory: cache em.
 
1940
                    parent_id = state._get_entry(target_index,
 
1941
                                                 path_utf8=entry[0][0])[0][2]
 
1942
                    if parent_id == entry[0][2]:
 
1943
                        parent_id = None
 
1944
                    if use_filesystem_for_exec:
 
1945
                        # We need S_ISREG here, because we aren't sure if this
 
1946
                        # is a file or not.
 
1947
                        target_exec = bool(
 
1948
                            stat.S_ISREG(path_info[3].st_mode)
 
1949
                            and stat.S_IEXEC & path_info[3].st_mode)
 
1950
                    else:
 
1951
                        target_exec = target_details[3]
 
1952
                    return ((entry[0][2], (None, path), True,
 
1953
                            (False, True),
 
1954
                            (None, parent_id),
 
1955
                            (None, entry[0][1]),
 
1956
                            (None, path_info[2]),
 
1957
                            (None, target_exec)),)
 
1958
                else:
 
1959
                    # but its not on disk: we deliberately treat this as just
 
1960
                    # never-present. (Why ?! - RBC 20070224)
 
1961
                    pass
 
1962
            elif source_minikind in 'fdlt' and target_minikind in 'a':
 
1963
                # unversioned, possibly, or possibly not deleted: we dont care.
 
1964
                # if its still on disk, *and* theres no other entry at this
 
1965
                # path [we dont know this in this routine at the moment -
 
1966
                # perhaps we should change this - then it would be an unknown.
 
1967
                old_path = pathjoin(entry[0][0], entry[0][1])
 
1968
                # parent id is the entry for the path in the target tree
 
1969
                parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
 
1970
                if parent_id == entry[0][2]:
 
1971
                    parent_id = None
 
1972
                return ((entry[0][2], (old_path, None), True,
 
1973
                        (True, False),
 
1974
                        (parent_id, None),
 
1975
                        (entry[0][1], None),
 
1976
                        (_minikind_to_kind[source_minikind], None),
 
1977
                        (source_details[3], None)),)
 
1978
            elif source_minikind in 'fdlt' and target_minikind in 'r':
 
1979
                # a rename; could be a true rename, or a rename inherited from
 
1980
                # a renamed parent. TODO: handle this efficiently. Its not
 
1981
                # common case to rename dirs though, so a correct but slow
 
1982
                # implementation will do.
 
1983
                if not osutils.is_inside_any(searched_specific_files, target_details[1]):
 
1984
                    search_specific_files.add(target_details[1])
 
1985
            elif source_minikind in 'ra' and target_minikind in 'ra':
 
1986
                # neither of the selected trees contain this file,
 
1987
                # so skip over it. This is not currently directly tested, but
 
1988
                # is indirectly via test_too_much.TestCommands.test_conflicts.
 
1989
                pass
 
1990
            else:
 
1991
                raise AssertionError("don't know how to compare "
 
1992
                    "source_minikind=%r, target_minikind=%r"
 
1993
                    % (source_minikind, target_minikind))
 
1994
                ## import pdb;pdb.set_trace()
 
1995
            return ()
 
1996
 
 
1997
        while search_specific_files:
 
1998
            # TODO: the pending list should be lexically sorted?  the
 
1999
            # interface doesn't require it.
 
2000
            current_root = search_specific_files.pop()
 
2001
            current_root_unicode = current_root.decode('utf8')
 
2002
            searched_specific_files.add(current_root)
 
2003
            # process the entries for this containing directory: the rest will be
 
2004
            # found by their parents recursively.
 
2005
            root_entries = _entries_for_path(current_root)
 
2006
            root_abspath = self.target.abspath(current_root_unicode)
 
2007
            try:
 
2008
                root_stat = os.lstat(root_abspath)
 
2009
            except OSError, e:
 
2010
                if e.errno == errno.ENOENT:
 
2011
                    # the path does not exist: let _process_entry know that.
 
2012
                    root_dir_info = None
 
2013
                else:
 
2014
                    # some other random error: hand it up.
 
2015
                    raise
 
2016
            else:
 
2017
                root_dir_info = ('', current_root,
 
2018
                    osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
 
2019
                    root_abspath)
 
2020
                if root_dir_info[2] == 'directory':
 
2021
                    if self.target._directory_is_tree_reference(
 
2022
                        current_root.decode('utf8')):
 
2023
                        root_dir_info = root_dir_info[:2] + \
 
2024
                            ('tree-reference',) + root_dir_info[3:]
 
2025
 
 
2026
            if not root_entries and not root_dir_info:
 
2027
                # this specified path is not present at all, skip it.
 
2028
                continue
 
2029
            path_handled = False
 
2030
            for entry in root_entries:
 
2031
                for result in _process_entry(entry, root_dir_info):
 
2032
                    # this check should probably be outside the loop: one
 
2033
                    # 'iterate two trees' api, and then _iter_changes filters
 
2034
                    # unchanged pairs. - RBC 20070226
 
2035
                    path_handled = True
 
2036
                    if (include_unchanged
 
2037
                        or result[2]                    # content change
 
2038
                        or result[3][0] != result[3][1] # versioned status
 
2039
                        or result[4][0] != result[4][1] # parent id
 
2040
                        or result[5][0] != result[5][1] # name
 
2041
                        or result[6][0] != result[6][1] # kind
 
2042
                        or result[7][0] != result[7][1] # executable
 
2043
                        ):
 
2044
                        yield (result[0],
 
2045
                               (utf8_decode_or_none(result[1][0]),
 
2046
                                utf8_decode_or_none(result[1][1])),
 
2047
                               result[2],
 
2048
                               result[3],
 
2049
                               result[4],
 
2050
                               (utf8_decode_or_none(result[5][0]),
 
2051
                                utf8_decode_or_none(result[5][1])),
 
2052
                               result[6],
 
2053
                               result[7],
 
2054
                              )
 
2055
            if want_unversioned and not path_handled and root_dir_info:
 
2056
                new_executable = bool(
 
2057
                    stat.S_ISREG(root_dir_info[3].st_mode)
 
2058
                    and stat.S_IEXEC & root_dir_info[3].st_mode)
 
2059
                yield (None,
 
2060
                       (None, current_root_unicode),
 
2061
                       True,
 
2062
                       (False, False),
 
2063
                       (None, None),
 
2064
                       (None, splitpath(current_root_unicode)[-1]),
 
2065
                       (None, root_dir_info[2]),
 
2066
                       (None, new_executable)
 
2067
                      )
 
2068
            initial_key = (current_root, '', '')
 
2069
            block_index, _ = state._find_block_index_from_key(initial_key)
 
2070
            if block_index == 0:
 
2071
                # we have processed the total root already, but because the
 
2072
                # initial key matched it we should skip it here.
 
2073
                block_index +=1
 
2074
            if root_dir_info and root_dir_info[2] == 'tree-reference':
 
2075
                current_dir_info = None
 
2076
            else:
 
2077
                dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
 
2078
                try:
 
2079
                    current_dir_info = dir_iterator.next()
 
2080
                except OSError, e:
 
2081
                    # on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
 
2082
                    # python 2.5 has e.errno == EINVAL,
 
2083
                    #            and e.winerror == ERROR_DIRECTORY
 
2084
                    e_winerror = getattr(e, 'winerror', None)
 
2085
                    # there may be directories in the inventory even though
 
2086
                    # this path is not a file on disk: so mark it as end of
 
2087
                    # iterator
 
2088
                    if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
 
2089
                        current_dir_info = None
 
2090
                    elif (sys.platform == 'win32'
 
2091
                          and ERROR_DIRECTORY in (e.errno, e_winerror)):
 
2092
                        current_dir_info = None
 
2093
                    else:
 
2094
                        raise
 
2095
                else:
 
2096
                    if current_dir_info[0][0] == '':
 
2097
                        # remove .bzr from iteration
 
2098
                        bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
 
2099
                        assert current_dir_info[1][bzr_index][0] == '.bzr'
 
2100
                        del current_dir_info[1][bzr_index]
 
2101
            # walk until both the directory listing and the versioned metadata
 
2102
            # are exhausted. 
 
2103
            if (block_index < len(state._dirblocks) and
 
2104
                osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2105
                current_block = state._dirblocks[block_index]
 
2106
            else:
 
2107
                current_block = None
 
2108
            while (current_dir_info is not None or
 
2109
                   current_block is not None):
 
2110
                if (current_dir_info and current_block
 
2111
                    and current_dir_info[0][0] != current_block[0]):
 
2112
                    if current_dir_info[0][0] < current_block[0] :
 
2113
                        # filesystem data refers to paths not covered by the dirblock.
 
2114
                        # this has two possibilities:
 
2115
                        # A) it is versioned but empty, so there is no block for it
 
2116
                        # B) it is not versioned.
 
2117
                        # in either case it was processed by the containing directories walk:
 
2118
                        # if it is root/foo, when we walked root we emitted it,
 
2119
                        # or if we ere given root/foo to walk specifically, we
 
2120
                        # emitted it when checking the walk-root entries
 
2121
                        # advance the iterator and loop - we dont need to emit it.
 
2122
                        try:
 
2123
                            current_dir_info = dir_iterator.next()
 
2124
                        except StopIteration:
 
2125
                            current_dir_info = None
 
2126
                    else:
 
2127
                        # We have a dirblock entry for this location, but there
 
2128
                        # is no filesystem path for this. This is most likely
 
2129
                        # because a directory was removed from the disk.
 
2130
                        # We don't have to report the missing directory,
 
2131
                        # because that should have already been handled, but we
 
2132
                        # need to handle all of the files that are contained
 
2133
                        # within.
 
2134
                        for current_entry in current_block[1]:
 
2135
                            # entry referring to file not present on disk.
 
2136
                            # advance the entry only, after processing.
 
2137
                            for result in _process_entry(current_entry, None):
 
2138
                                # this check should probably be outside the loop: one
 
2139
                                # 'iterate two trees' api, and then _iter_changes filters
 
2140
                                # unchanged pairs. - RBC 20070226
 
2141
                                if (include_unchanged
 
2142
                                    or result[2]                    # content change
 
2143
                                    or result[3][0] != result[3][1] # versioned status
 
2144
                                    or result[4][0] != result[4][1] # parent id
 
2145
                                    or result[5][0] != result[5][1] # name
 
2146
                                    or result[6][0] != result[6][1] # kind
 
2147
                                    or result[7][0] != result[7][1] # executable
 
2148
                                    ):
 
2149
                                    yield (result[0],
 
2150
                                           (utf8_decode_or_none(result[1][0]),
 
2151
                                            utf8_decode_or_none(result[1][1])),
 
2152
                                           result[2],
 
2153
                                           result[3],
 
2154
                                           result[4],
 
2155
                                           (utf8_decode_or_none(result[5][0]),
 
2156
                                            utf8_decode_or_none(result[5][1])),
 
2157
                                           result[6],
 
2158
                                           result[7],
 
2159
                                          )
 
2160
                        block_index +=1
 
2161
                        if (block_index < len(state._dirblocks) and
 
2162
                            osutils.is_inside(current_root,
 
2163
                                              state._dirblocks[block_index][0])):
 
2164
                            current_block = state._dirblocks[block_index]
 
2165
                        else:
 
2166
                            current_block = None
 
2167
                    continue
 
2168
                entry_index = 0
 
2169
                if current_block and entry_index < len(current_block[1]):
 
2170
                    current_entry = current_block[1][entry_index]
 
2171
                else:
 
2172
                    current_entry = None
 
2173
                advance_entry = True
 
2174
                path_index = 0
 
2175
                if current_dir_info and path_index < len(current_dir_info[1]):
 
2176
                    current_path_info = current_dir_info[1][path_index]
 
2177
                    if current_path_info[2] == 'directory':
 
2178
                        if self.target._directory_is_tree_reference(
 
2179
                            current_path_info[0].decode('utf8')):
 
2180
                            current_path_info = current_path_info[:2] + \
 
2181
                                ('tree-reference',) + current_path_info[3:]
 
2182
                else:
 
2183
                    current_path_info = None
 
2184
                advance_path = True
 
2185
                path_handled = False
 
2186
                while (current_entry is not None or
 
2187
                    current_path_info is not None):
 
2188
                    if current_entry is None:
 
2189
                        # the check for path_handled when the path is adnvaced
 
2190
                        # will yield this path if needed.
 
2191
                        pass
 
2192
                    elif current_path_info is None:
 
2193
                        # no path is fine: the per entry code will handle it.
 
2194
                        for result in _process_entry(current_entry, current_path_info):
 
2195
                            # this check should probably be outside the loop: one
 
2196
                            # 'iterate two trees' api, and then _iter_changes filters
 
2197
                            # unchanged pairs. - RBC 20070226
 
2198
                            if (include_unchanged
 
2199
                                or result[2]                    # content change
 
2200
                                or result[3][0] != result[3][1] # versioned status
 
2201
                                or result[4][0] != result[4][1] # parent id
 
2202
                                or result[5][0] != result[5][1] # name
 
2203
                                or result[6][0] != result[6][1] # kind
 
2204
                                or result[7][0] != result[7][1] # executable
 
2205
                                ):
 
2206
                                yield (result[0],
 
2207
                                       (utf8_decode_or_none(result[1][0]),
 
2208
                                        utf8_decode_or_none(result[1][1])),
 
2209
                                       result[2],
 
2210
                                       result[3],
 
2211
                                       result[4],
 
2212
                                       (utf8_decode_or_none(result[5][0]),
 
2213
                                        utf8_decode_or_none(result[5][1])),
 
2214
                                       result[6],
 
2215
                                       result[7],
 
2216
                                      )
 
2217
                    elif current_entry[0][1] != current_path_info[1]:
 
2218
                        if current_path_info[1] < current_entry[0][1]:
 
2219
                            # extra file on disk: pass for now, but only
 
2220
                            # increment the path, not the entry
 
2221
                            advance_entry = False
 
2222
                        else:
 
2223
                            # entry referring to file not present on disk.
 
2224
                            # advance the entry only, after processing.
 
2225
                            for result in _process_entry(current_entry, None):
 
2226
                                # this check should probably be outside the loop: one
 
2227
                                # 'iterate two trees' api, and then _iter_changes filters
 
2228
                                # unchanged pairs. - RBC 20070226
 
2229
                                path_handled = True
 
2230
                                if (include_unchanged
 
2231
                                    or result[2]                    # content change
 
2232
                                    or result[3][0] != result[3][1] # versioned status
 
2233
                                    or result[4][0] != result[4][1] # parent id
 
2234
                                    or result[5][0] != result[5][1] # name
 
2235
                                    or result[6][0] != result[6][1] # kind
 
2236
                                    or result[7][0] != result[7][1] # executable
 
2237
                                    ):
 
2238
                                    yield (result[0],
 
2239
                                           (utf8_decode_or_none(result[1][0]),
 
2240
                                            utf8_decode_or_none(result[1][1])),
 
2241
                                           result[2],
 
2242
                                           result[3],
 
2243
                                           result[4],
 
2244
                                           (utf8_decode_or_none(result[5][0]),
 
2245
                                            utf8_decode_or_none(result[5][1])),
 
2246
                                           result[6],
 
2247
                                           result[7],
 
2248
                                          )
 
2249
                            advance_path = False
 
2250
                    else:
 
2251
                        for result in _process_entry(current_entry, current_path_info):
 
2252
                            # this check should probably be outside the loop: one
 
2253
                            # 'iterate two trees' api, and then _iter_changes filters
 
2254
                            # unchanged pairs. - RBC 20070226
 
2255
                            path_handled = True
 
2256
                            if (include_unchanged
 
2257
                                or result[2]                    # content change
 
2258
                                or result[3][0] != result[3][1] # versioned status
 
2259
                                or result[4][0] != result[4][1] # parent id
 
2260
                                or result[5][0] != result[5][1] # name
 
2261
                                or result[6][0] != result[6][1] # kind
 
2262
                                or result[7][0] != result[7][1] # executable
 
2263
                                ):
 
2264
                                yield (result[0],
 
2265
                                       (utf8_decode_or_none(result[1][0]),
 
2266
                                        utf8_decode_or_none(result[1][1])),
 
2267
                                       result[2],
 
2268
                                       result[3],
 
2269
                                       result[4],
 
2270
                                       (utf8_decode_or_none(result[5][0]),
 
2271
                                        utf8_decode_or_none(result[5][1])),
 
2272
                                       result[6],
 
2273
                                       result[7],
 
2274
                                      )
 
2275
                    if advance_entry and current_entry is not None:
 
2276
                        entry_index += 1
 
2277
                        if entry_index < len(current_block[1]):
 
2278
                            current_entry = current_block[1][entry_index]
 
2279
                        else:
 
2280
                            current_entry = None
 
2281
                    else:
 
2282
                        advance_entry = True # reset the advance flaga
 
2283
                    if advance_path and current_path_info is not None:
 
2284
                        if not path_handled:
 
2285
                            # unversioned in all regards
 
2286
                            if want_unversioned:
 
2287
                                new_executable = bool(
 
2288
                                    stat.S_ISREG(current_path_info[3].st_mode)
 
2289
                                    and stat.S_IEXEC & current_path_info[3].st_mode)
 
2290
                                if want_unversioned:
 
2291
                                    yield (None,
 
2292
                                        (None, utf8_decode_or_none(current_path_info[0])),
 
2293
                                        True,
 
2294
                                        (False, False),
 
2295
                                        (None, None),
 
2296
                                        (None, utf8_decode_or_none(current_path_info[1])),
 
2297
                                        (None, current_path_info[2]),
 
2298
                                        (None, new_executable))
 
2299
                            # dont descend into this unversioned path if it is
 
2300
                            # a dir
 
2301
                            if current_path_info[2] in ('directory'):
 
2302
                                del current_dir_info[1][path_index]
 
2303
                                path_index -= 1
 
2304
                        # dont descend the disk iterator into any tree 
 
2305
                        # paths.
 
2306
                        if current_path_info[2] == 'tree-reference':
 
2307
                            del current_dir_info[1][path_index]
 
2308
                            path_index -= 1
 
2309
                        path_index += 1
 
2310
                        if path_index < len(current_dir_info[1]):
 
2311
                            current_path_info = current_dir_info[1][path_index]
 
2312
                            if current_path_info[2] == 'directory':
 
2313
                                if self.target._directory_is_tree_reference(
 
2314
                                    current_path_info[0].decode('utf8')):
 
2315
                                    current_path_info = current_path_info[:2] + \
 
2316
                                        ('tree-reference',) + current_path_info[3:]
 
2317
                        else:
 
2318
                            current_path_info = None
 
2319
                        path_handled = False
 
2320
                    else:
 
2321
                        advance_path = True # reset the advance flagg.
 
2322
                if current_block is not None:
 
2323
                    block_index += 1
 
2324
                    if (block_index < len(state._dirblocks) and
 
2325
                        osutils.is_inside(current_root, state._dirblocks[block_index][0])):
 
2326
                        current_block = state._dirblocks[block_index]
 
2327
                    else:
 
2328
                        current_block = None
 
2329
                if current_dir_info is not None:
 
2330
                    try:
 
2331
                        current_dir_info = dir_iterator.next()
 
2332
                    except StopIteration:
 
2333
                        current_dir_info = None
 
2334
 
2094
2335
 
2095
2336
    @staticmethod
2096
2337
    def is_compatible(source, target):
2097
2338
        # the target must be a dirstate working tree
2098
 
        if not isinstance(target, DirStateWorkingTree):
 
2339
        if not isinstance(target, WorkingTree4):
2099
2340
            return False
2100
 
        # the source must be a revtree or dirstate rev tree.
 
2341
        # the source must be a revtreee or dirstate rev tree.
2101
2342
        if not isinstance(source,
2102
2343
            (revisiontree.RevisionTree, DirStateRevisionTree)):
2103
2344
            return False
2104
2345
        # the source revid must be in the target dirstate
2105
 
        if not (source._revision_id == _mod_revision.NULL_REVISION or
 
2346
        if not (source._revision_id == NULL_REVISION or
2106
2347
            source._revision_id in target.get_parent_ids()):
2107
 
            # TODO: what about ghosts? it may well need to
 
2348
            # TODO: what about ghosts? it may well need to 
2108
2349
            # check for them explicitly.
2109
2350
            return False
2110
2351
        return True
2120
2361
 
2121
2362
    def convert(self, tree):
2122
2363
        # lock the control files not the tree, so that we dont get tree
2123
 
        # on-unlock behaviours, and so that noone else diddles with the
 
2364
        # on-unlock behaviours, and so that noone else diddles with the 
2124
2365
        # tree during upgrade.
2125
2366
        tree._control_files.lock_write()
2126
2367
        try:
2152
2393
 
2153
2394
    def update_format(self, tree):
2154
2395
        """Change the format marker."""
2155
 
        tree._transport.put_bytes('format',
2156
 
            self.target_format.get_format_string(),
2157
 
            mode=tree.bzrdir._get_file_mode())
2158
 
 
2159
 
 
2160
 
class Converter4to5(object):
2161
 
    """Perform an in-place upgrade of format 4 to format 5 trees."""
2162
 
 
2163
 
    def __init__(self):
2164
 
        self.target_format = WorkingTreeFormat5()
2165
 
 
2166
 
    def convert(self, tree):
2167
 
        # lock the control files not the tree, so that we don't get tree
2168
 
        # on-unlock behaviours, and so that no-one else diddles with the
2169
 
        # tree during upgrade.
2170
 
        tree._control_files.lock_write()
2171
 
        try:
2172
 
            self.update_format(tree)
2173
 
        finally:
2174
 
            tree._control_files.unlock()
2175
 
 
2176
 
    def update_format(self, tree):
2177
 
        """Change the format marker."""
2178
 
        tree._transport.put_bytes('format',
2179
 
            self.target_format.get_format_string(),
2180
 
            mode=tree.bzrdir._get_file_mode())
2181
 
 
2182
 
 
2183
 
class Converter4or5to6(object):
2184
 
    """Perform an in-place upgrade of format 4 or 5 to format 6 trees."""
2185
 
 
2186
 
    def __init__(self):
2187
 
        self.target_format = WorkingTreeFormat6()
2188
 
 
2189
 
    def convert(self, tree):
2190
 
        # lock the control files not the tree, so that we don't get tree
2191
 
        # on-unlock behaviours, and so that no-one else diddles with the
2192
 
        # tree during upgrade.
2193
 
        tree._control_files.lock_write()
2194
 
        try:
2195
 
            self.init_custom_control_files(tree)
2196
 
            self.update_format(tree)
2197
 
        finally:
2198
 
            tree._control_files.unlock()
2199
 
 
2200
 
    def init_custom_control_files(self, tree):
2201
 
        """Initialize custom control files."""
2202
 
        tree._transport.put_bytes('views', '',
2203
 
            mode=tree.bzrdir._get_file_mode())
2204
 
 
2205
 
    def update_format(self, tree):
2206
 
        """Change the format marker."""
2207
 
        tree._transport.put_bytes('format',
2208
 
            self.target_format.get_format_string(),
2209
 
            mode=tree.bzrdir._get_file_mode())
 
2396
        tree._control_files.put_utf8('format',
 
2397
            self.target_format.get_format_string())