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Viewing changes to bzrlib/workingtree_4.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-03-09 08:45:56 UTC
  • mfrom: (4084.5.2 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20090309084556-9i2m12qlud2qcrtw
(robertc) Bulk update all test adaptation into a single approach
        using multiply_tests rather than many varied test adapters.
        (Robert Collins

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# Copyright (C) 2007-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007, 2008 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""WorkingTree4 format and implementation.
18
18
 
28
28
 
29
29
from bzrlib.lazy_import import lazy_import
30
30
lazy_import(globals(), """
 
31
from bisect import bisect_left
 
32
import collections
 
33
from copy import deepcopy
31
34
import errno
 
35
import itertools
 
36
import operator
32
37
import stat
 
38
from time import time
 
39
import warnings
33
40
 
34
41
import bzrlib
35
42
from bzrlib import (
36
43
    bzrdir,
37
44
    cache_utf8,
 
45
    conflicts as _mod_conflicts,
38
46
    debug,
 
47
    delta,
39
48
    dirstate,
40
49
    errors,
41
50
    generate_ids,
 
51
    globbing,
 
52
    ignores,
 
53
    merge,
42
54
    osutils,
43
55
    revision as _mod_revision,
44
56
    revisiontree,
 
57
    textui,
45
58
    trace,
46
59
    transform,
 
60
    urlutils,
47
61
    views,
 
62
    xml5,
 
63
    xml6,
48
64
    )
49
65
import bzrlib.branch
 
66
from bzrlib.transport import get_transport
50
67
import bzrlib.ui
51
68
""")
52
69
 
 
70
from bzrlib import symbol_versioning
53
71
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
 
72
from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, entry_factory
 
73
import bzrlib.mutabletree
56
74
from bzrlib.mutabletree import needs_tree_write_lock
57
75
from bzrlib.osutils import (
58
76
    file_kind,
59
77
    isdir,
 
78
    normpath,
60
79
    pathjoin,
 
80
    rand_chars,
61
81
    realpath,
62
82
    safe_unicode,
 
83
    splitpath,
63
84
    )
64
 
from bzrlib.trace import mutter
 
85
from bzrlib.trace import mutter, note
65
86
from bzrlib.transport.local import LocalTransport
66
87
from bzrlib.tree import InterTree
 
88
from bzrlib.progress import DummyProgress, ProgressPhase
 
89
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
 
90
from bzrlib.rio import RioReader, rio_file, Stanza
 
91
from bzrlib.symbol_versioning import (deprecated_passed,
 
92
        deprecated_method,
 
93
        deprecated_function,
 
94
        DEPRECATED_PARAMETER,
 
95
        )
67
96
from bzrlib.tree import Tree
68
97
from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
69
98
 
184
213
            WorkingTree3._comparison_data(self, entry, path)
185
214
        # it looks like a plain directory, but it's really a reference -- see
186
215
        # also kind()
187
 
        if (self._repo_supports_tree_reference and kind == 'directory'
188
 
            and entry is not None and entry.kind == 'tree-reference'):
 
216
        if (self._repo_supports_tree_reference and
 
217
            kind == 'directory' and
 
218
            self._directory_is_tree_reference(path)):
189
219
            kind = 'tree-reference'
190
220
        return kind, executable, stat_value
191
221
 
217
247
            return self._dirstate
218
248
        local_path = self.bzrdir.get_workingtree_transport(None
219
249
            ).local_abspath('dirstate')
220
 
        self._dirstate = dirstate.DirState.on_file(local_path,
221
 
            self._sha1_provider())
 
250
        self._dirstate = dirstate.DirState.on_file(local_path)
222
251
        return self._dirstate
223
252
 
224
 
    def _sha1_provider(self):
225
 
        """A function that returns a SHA1Provider suitable for this tree.
226
 
 
227
 
        :return: None if content filtering is not supported by this tree.
228
 
          Otherwise, a SHA1Provider is returned that sha's the canonical
229
 
          form of files, i.e. after read filters are applied.
230
 
        """
231
 
        if self.supports_content_filtering():
232
 
            return ContentFilterAwareSHA1Provider(self)
233
 
        else:
234
 
            return None
235
 
 
236
253
    def filter_unversioned_files(self, paths):
237
254
        """Filter out paths that are versioned.
238
255
 
321
338
                    parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
322
339
                elif kind == 'tree-reference':
323
340
                    if not self._repo_supports_tree_reference:
324
 
                        raise errors.UnsupportedOperation(
325
 
                            self._generate_inventory,
326
 
                            self.branch.repository)
 
341
                        raise AssertionError(
 
342
                            "repository of %r "
 
343
                            "doesn't support tree references "
 
344
                            "required by entry %r"
 
345
                            % (self, name))
327
346
                    inv_entry.reference_revision = link_or_sha1 or None
328
347
                elif kind != 'symlink':
329
348
                    raise AssertionError("unknown kind %r" % kind)
434
453
        return osutils.lexists(pathjoin(
435
454
                    self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
436
455
 
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
456
    @needs_read_lock
443
457
    def id2path(self, file_id):
444
458
        "Convert a file-id to a path."
550
564
    def _kind(self, relpath):
551
565
        abspath = self.abspath(relpath)
552
566
        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'
 
567
        if (self._repo_supports_tree_reference and
 
568
            kind == 'directory' and
 
569
            self._directory_is_tree_reference(relpath)):
 
570
            kind = 'tree-reference'
558
571
        return kind
559
572
 
560
573
    @needs_read_lock
567
580
            return _mod_revision.NULL_REVISION
568
581
 
569
582
    def lock_read(self):
570
 
        """See Branch.lock_read, and WorkingTree.unlock.
571
 
 
572
 
        :return: An object with an unlock method which will release the lock
573
 
            obtained.
574
 
        """
 
583
        """See Branch.lock_read, and WorkingTree.unlock."""
575
584
        self.branch.lock_read()
576
585
        try:
577
586
            self._control_files.lock_read()
590
599
        except:
591
600
            self.branch.unlock()
592
601
            raise
593
 
        return self
594
602
 
595
603
    def _lock_self_write(self):
596
604
        """This should be called after the branch is locked."""
611
619
        except:
612
620
            self.branch.unlock()
613
621
            raise
614
 
        return self
615
622
 
616
623
    def lock_tree_write(self):
617
 
        """See MutableTree.lock_tree_write, and WorkingTree.unlock.
618
 
 
619
 
        :return: An object with an unlock method which will release the lock
620
 
            obtained.
621
 
        """
 
624
        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
622
625
        self.branch.lock_read()
623
 
        return self._lock_self_write()
 
626
        self._lock_self_write()
624
627
 
625
628
    def lock_write(self):
626
 
        """See MutableTree.lock_write, and WorkingTree.unlock.
627
 
 
628
 
        :return: An object with an unlock method which will release the lock
629
 
            obtained.
630
 
        """
 
629
        """See MutableTree.lock_write, and WorkingTree.unlock."""
631
630
        self.branch.lock_write()
632
 
        return self._lock_self_write()
 
631
        self._lock_self_write()
633
632
 
634
633
    @needs_tree_write_lock
635
634
    def move(self, from_paths, to_dir, after=False):
705
704
            from_entry = self._get_entry(path=from_rel)
706
705
            if from_entry == (None, None):
707
706
                raise errors.BzrMoveFailedError(from_rel,to_dir,
708
 
                    errors.NotVersionedError(path=from_rel))
 
707
                    errors.NotVersionedError(path=str(from_rel)))
709
708
 
710
709
            from_id = from_entry[0][2]
711
710
            to_rel = pathjoin(to_dir, from_tail)
1040
1039
    def set_last_revision(self, new_revision):
1041
1040
        """Change the last revision in the working tree."""
1042
1041
        parents = self.get_parent_ids()
1043
 
        if new_revision in (_mod_revision.NULL_REVISION, None):
 
1042
        if new_revision in (NULL_REVISION, None):
1044
1043
            if len(parents) >= 2:
1045
1044
                raise AssertionError(
1046
1045
                    "setting the last parent to none with a pending merge is "
1213
1212
                # just forget the whole block.
1214
1213
                entry_index = 0
1215
1214
                while entry_index < len(block[1]):
 
1215
                    # Mark this file id as having been removed
1216
1216
                    entry = block[1][entry_index]
1217
 
                    if entry[1][0][0] in 'ar':
1218
 
                        # don't remove absent or renamed entries
 
1217
                    ids_to_unversion.discard(entry[0][2])
 
1218
                    if (entry[1][0][0] in 'ar' # don't remove absent or renamed
 
1219
                                               # entries
 
1220
                        or not state._make_absent(entry)):
1219
1221
                        entry_index += 1
1220
 
                    else:
1221
 
                        # Mark this file id as having been removed
1222
 
                        ids_to_unversion.discard(entry[0][2])
1223
 
                        if not state._make_absent(entry):
1224
 
                            # The block has not shrunk.
1225
 
                            entry_index += 1
1226
1222
                # go to the next block. (At the moment we dont delete empty
1227
1223
                # dirblocks)
1228
1224
                block_index += 1
1280
1276
        if self._dirty:
1281
1277
            raise AssertionError("attempting to write an inventory when the "
1282
1278
                "dirstate is dirty will lose pending changes")
1283
 
        had_inventory = self._inventory is not None
1284
 
        # Setting self._inventory = None forces the dirstate to regenerate the
1285
 
        # working inventory. We do this because self.inventory may be inv, or
1286
 
        # may have been modified, and either case would prevent a clean delta
1287
 
        # being created.
1288
 
        self._inventory = None
1289
 
        # generate a delta,
1290
 
        delta = inv._make_delta(self.inventory)
1291
 
        # and apply it.
1292
 
        self.apply_inventory_delta(delta)
1293
 
        if had_inventory:
 
1279
        self.current_dirstate().set_state_from_inventory(inv)
 
1280
        self._make_dirty(reset_inventory=False)
 
1281
        if self._inventory is not None:
1294
1282
            self._inventory = inv
1295
1283
        self.flush()
1296
1284
 
1297
1285
 
1298
 
class ContentFilterAwareSHA1Provider(dirstate.SHA1Provider):
1299
 
 
1300
 
    def __init__(self, tree):
1301
 
        self.tree = tree
1302
 
 
1303
 
    def sha1(self, abspath):
1304
 
        """See dirstate.SHA1Provider.sha1()."""
1305
 
        filters = self.tree._content_filter_stack(
1306
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1307
 
        return internal_size_sha_file_byname(abspath, filters)[1]
1308
 
 
1309
 
    def stat_and_sha1(self, abspath):
1310
 
        """See dirstate.SHA1Provider.stat_and_sha1()."""
1311
 
        filters = self.tree._content_filter_stack(
1312
 
            self.tree.relpath(osutils.safe_unicode(abspath)))
1313
 
        file_obj = file(abspath, 'rb', 65000)
1314
 
        try:
1315
 
            statvalue = os.fstat(file_obj.fileno())
1316
 
            if filters:
1317
 
                file_obj = filtered_input_file(file_obj, filters)
1318
 
            sha1 = osutils.size_sha_file(file_obj)[1]
1319
 
        finally:
1320
 
            file_obj.close()
1321
 
        return statvalue, sha1
1322
 
 
1323
 
 
1324
 
class ContentFilteringDirStateWorkingTree(DirStateWorkingTree):
1325
 
    """Dirstate working tree that supports content filtering.
1326
 
 
1327
 
    The dirstate holds the hash and size of the canonical form of the file, 
1328
 
    and most methods must return that.
1329
 
    """
1330
 
 
1331
 
    def _file_content_summary(self, path, stat_result):
1332
 
        # This is to support the somewhat obsolete path_content_summary method
1333
 
        # with content filtering: see
1334
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/415508>.
1335
 
        #
1336
 
        # If the dirstate cache is up to date and knows the hash and size,
1337
 
        # return that.
1338
 
        # Otherwise if there are no content filters, return the on-disk size
1339
 
        # and leave the hash blank.
1340
 
        # Otherwise, read and filter the on-disk file and use its size and
1341
 
        # hash.
1342
 
        #
1343
 
        # The dirstate doesn't store the size of the canonical form so we
1344
 
        # can't trust it for content-filtered trees.  We just return None.
1345
 
        dirstate_sha1 = self._dirstate.sha1_from_stat(path, stat_result)
1346
 
        executable = self._is_executable_from_path_and_stat(path, stat_result)
1347
 
        return ('file', None, executable, dirstate_sha1)
1348
 
 
1349
 
 
1350
1286
class WorkingTree4(DirStateWorkingTree):
1351
1287
    """This is the Format 4 working tree.
1352
1288
 
1360
1296
    """
1361
1297
 
1362
1298
 
1363
 
class WorkingTree5(ContentFilteringDirStateWorkingTree):
 
1299
class WorkingTree5(DirStateWorkingTree):
1364
1300
    """This is the Format 5 working tree.
1365
1301
 
1366
1302
    This differs from WorkingTree4 by:
1367
1303
     - Supporting content filtering.
1368
 
 
1369
 
    This is new in bzr 1.11.
1370
 
    """
1371
 
 
1372
 
 
1373
 
class WorkingTree6(ContentFilteringDirStateWorkingTree):
1374
 
    """This is the Format 6 working tree.
1375
 
 
1376
 
    This differs from WorkingTree5 by:
1377
1304
     - Supporting a current view that may mask the set of files in a tree
1378
1305
       impacted by most user operations.
1379
1306
 
1380
 
    This is new in bzr 1.14.
 
1307
    This is new in bzr 1.11.
1381
1308
    """
1382
1309
 
1383
1310
    def _make_views(self):
1385
1312
 
1386
1313
 
1387
1314
class DirStateWorkingTreeFormat(WorkingTreeFormat3):
1388
 
 
1389
1315
    def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1390
1316
                   accelerator_tree=None, hardlink=False):
1391
1317
        """See WorkingTreeFormat.initialize().
1430
1356
        wt.lock_tree_write()
1431
1357
        try:
1432
1358
            self._init_custom_control_files(wt)
1433
 
            if revision_id in (None, _mod_revision.NULL_REVISION):
 
1359
            if revision_id in (None, NULL_REVISION):
1434
1360
                if branch.repository.supports_rich_root():
1435
1361
                    wt._set_root_id(generate_ids.gen_root_id())
1436
1362
                else:
1447
1373
                    pass
1448
1374
            if basis is None:
1449
1375
                basis = branch.repository.revision_tree(revision_id)
1450
 
            if revision_id == _mod_revision.NULL_REVISION:
 
1376
            if revision_id == NULL_REVISION:
1451
1377
                parents_list = []
1452
1378
            else:
1453
1379
                parents_list = [(revision_id, basis)]
1461
1387
                if basis_root_id is not None:
1462
1388
                    wt._set_root_id(basis_root_id)
1463
1389
                    wt.flush()
1464
 
                if wt.supports_content_filtering():
1465
 
                    # The original tree may not have the same content filters
1466
 
                    # applied so we can't safely build the inventory delta from
1467
 
                    # the source tree.
1468
 
                    delta_from_tree = False
1469
 
                else:
1470
 
                    delta_from_tree = True
1471
1390
                # delta_from_tree is safe even for DirStateRevisionTrees,
1472
1391
                # because wt4.apply_inventory_delta does not mutate the input
1473
1392
                # inventory entries.
1474
1393
                transform.build_tree(basis, wt, accelerator_tree,
1475
 
                                     hardlink=hardlink,
1476
 
                                     delta_from_tree=delta_from_tree)
 
1394
                                     hardlink=hardlink, delta_from_tree=True)
1477
1395
            finally:
1478
1396
                basis.unlock()
1479
1397
        finally:
1503
1421
                           _control_files=control_files)
1504
1422
 
1505
1423
    def __get_matchingbzrdir(self):
1506
 
        return self._get_matchingbzrdir()
1507
 
 
1508
 
    def _get_matchingbzrdir(self):
1509
 
        """Overrideable method to get a bzrdir for testing."""
1510
1424
        # please test against something that will let us do tree references
1511
1425
        return bzrdir.format_registry.make_bzrdir(
1512
1426
            'dirstate-with-subtree')
1540
1454
 
1541
1455
 
1542
1456
class WorkingTreeFormat5(DirStateWorkingTreeFormat):
1543
 
    """WorkingTree format supporting content filtering.
 
1457
    """WorkingTree format supporting views.
1544
1458
    """
1545
1459
 
1546
1460
    upgrade_recommended = False
1555
1469
        """See WorkingTreeFormat.get_format_description()."""
1556
1470
        return "Working tree format 5"
1557
1471
 
1558
 
    def supports_content_filtering(self):
1559
 
        return True
1560
 
 
1561
 
 
1562
 
class WorkingTreeFormat6(DirStateWorkingTreeFormat):
1563
 
    """WorkingTree format supporting views.
1564
 
    """
1565
 
 
1566
 
    upgrade_recommended = False
1567
 
 
1568
 
    _tree_class = WorkingTree6
1569
 
 
1570
 
    def get_format_string(self):
1571
 
        """See WorkingTreeFormat.get_format_string()."""
1572
 
        return "Bazaar Working Tree Format 6 (bzr 1.14)\n"
1573
 
 
1574
 
    def get_format_description(self):
1575
 
        """See WorkingTreeFormat.get_format_description()."""
1576
 
        return "Working tree format 6"
1577
 
 
1578
1472
    def _init_custom_control_files(self, wt):
1579
1473
        """Subclasses with custom control files should override this method."""
1580
1474
        wt._transport.put_bytes('views', '', mode=wt.bzrdir._get_file_mode())
1587
1481
 
1588
1482
 
1589
1483
class DirStateRevisionTree(Tree):
1590
 
    """A revision tree pulling the inventory from a dirstate.
1591
 
    
1592
 
    Note that this is one of the historical (ie revision) trees cached in the
1593
 
    dirstate for easy access, not the workingtree.
1594
 
    """
 
1484
    """A revision tree pulling the inventory from a dirstate."""
1595
1485
 
1596
1486
    def __init__(self, dirstate, revision_id, repository):
1597
1487
        self._dirstate = dirstate
1769
1659
            return None
1770
1660
        parent_index = self._get_parent_index()
1771
1661
        last_changed_revision = entry[1][parent_index][4]
1772
 
        try:
1773
 
            rev = self._repository.get_revision(last_changed_revision)
1774
 
        except errors.NoSuchRevision:
1775
 
            raise errors.FileTimestampUnavailable(self.id2path(file_id))
1776
 
        return rev.timestamp
 
1662
        return self._repository.get_revision(last_changed_revision).timestamp
1777
1663
 
1778
1664
    def get_file_sha1(self, file_id, path=None, stat_value=None):
1779
1665
        entry = self._get_entry(file_id=file_id, path=path)
1791
1677
        return self.inventory[file_id].text_size
1792
1678
 
1793
1679
    def get_file_text(self, file_id, path=None):
1794
 
        _, content = list(self.iter_files_bytes([(file_id, None)]))[0]
1795
 
        return ''.join(content)
 
1680
        return list(self.iter_files_bytes([(file_id, None)]))[0][1]
1796
1681
 
1797
1682
    def get_reference_revision(self, file_id, path=None):
1798
1683
        return self.inventory[file_id].reference_revision
1817
1702
        if entry[1][parent_index][0] != 'l':
1818
1703
            return None
1819
1704
        else:
1820
 
            target = entry[1][parent_index][1]
1821
 
            target = target.decode('utf8')
1822
 
            return target
 
1705
            # At present, none of the tree implementations supports non-ascii
 
1706
            # symlink targets. So we will just assume that the dirstate path is
 
1707
            # correct.
 
1708
            return entry[1][parent_index][1]
1823
1709
 
1824
1710
    def get_revision_id(self):
1825
1711
        """Return the revision id for this tree."""
1846
1732
        entry = self._get_entry(file_id=file_id)[1]
1847
1733
        if entry is None:
1848
1734
            raise errors.NoSuchId(tree=self, file_id=file_id)
1849
 
        parent_index = self._get_parent_index()
1850
 
        return dirstate.DirState._minikind_to_kind[entry[parent_index][0]]
 
1735
        return dirstate.DirState._minikind_to_kind[entry[1][0]]
1851
1736
 
1852
1737
    def stored_kind(self, file_id):
1853
1738
        """See Tree.stored_kind"""
1873
1758
            return None
1874
1759
        return ie.executable
1875
1760
 
1876
 
    def is_locked(self):
1877
 
        return self._locked
1878
 
 
1879
 
    def list_files(self, include_root=False, from_dir=None, recursive=True):
 
1761
    def list_files(self, include_root=False):
1880
1762
        # We use a standard implementation, because DirStateRevisionTree is
1881
1763
        # dealing with one of the parents of the current state
1882
1764
        inv = self._get_inventory()
1883
 
        if from_dir is None:
1884
 
            from_dir_id = None
1885
 
        else:
1886
 
            from_dir_id = inv.path2id(from_dir)
1887
 
            if from_dir_id is None:
1888
 
                # Directory not versioned
1889
 
                return
1890
 
        entries = inv.iter_entries(from_dir=from_dir_id, recursive=recursive)
1891
 
        if inv.root is not None and not include_root and from_dir is None:
 
1765
        entries = inv.iter_entries()
 
1766
        if self.inventory.root is not None and not include_root:
1892
1767
            entries.next()
1893
1768
        for path, entry in entries:
1894
1769
            yield path, 'V', entry.kind, entry.file_id, entry
1895
1770
 
1896
1771
    def lock_read(self):
1897
 
        """Lock the tree for a set of operations.
1898
 
 
1899
 
        :return: An object with an unlock method which will release the lock
1900
 
            obtained.
1901
 
        """
 
1772
        """Lock the tree for a set of operations."""
1902
1773
        if not self._locked:
1903
1774
            self._repository.lock_read()
1904
1775
            if self._dirstate._lock_token is None:
1905
1776
                self._dirstate.lock_read()
1906
1777
                self._dirstate_locked = True
1907
1778
        self._locked += 1
1908
 
        return self
1909
1779
 
1910
1780
    def _must_be_locked(self):
1911
1781
        if not self._locked:
2001
1871
        return result
2002
1872
 
2003
1873
    @classmethod
2004
 
    def make_source_parent_tree_compiled_dirstate(klass, test_case, source,
2005
 
                                                  target):
 
1874
    def make_source_parent_tree_compiled_dirstate(klass, test_case, source, target):
2006
1875
        from bzrlib.tests.test__dirstate_helpers import \
2007
 
            compiled_dirstate_helpers_feature
2008
 
        test_case.requireFeature(compiled_dirstate_helpers_feature)
2009
 
        from bzrlib._dirstate_helpers_pyx import ProcessEntryC
 
1876
            CompiledDirstateHelpersFeature
 
1877
        if not CompiledDirstateHelpersFeature.available():
 
1878
            from bzrlib.tests import UnavailableFeature
 
1879
            raise UnavailableFeature(CompiledDirstateHelpersFeature)
 
1880
        from bzrlib._dirstate_helpers_c import ProcessEntryC
2010
1881
        result = klass.make_source_parent_tree(source, target)
2011
1882
        result[1]._iter_changes = ProcessEntryC
2012
1883
        return result
2042
1913
            output. An unversioned file is defined as one with (False, False)
2043
1914
            for the versioned pair.
2044
1915
        """
 
1916
        # NB: show_status depends on being able to pass in non-versioned files
 
1917
        # and report them as unknown
2045
1918
        # TODO: handle extra trees in the dirstate.
2046
1919
        if (extra_trees or specific_files == []):
2047
1920
            # we can't fast-path these cases (yet)
2050
1923
                require_versioned, want_unversioned=want_unversioned)
2051
1924
        parent_ids = self.target.get_parent_ids()
2052
1925
        if not (self.source._revision_id in parent_ids
2053
 
                or self.source._revision_id == _mod_revision.NULL_REVISION):
 
1926
                or self.source._revision_id == NULL_REVISION):
2054
1927
            raise AssertionError(
2055
1928
                "revision {%s} is not stored in {%s}, but %s "
2056
1929
                "can only be used for trees stored in the dirstate"
2057
1930
                % (self.source._revision_id, self.target, self.iter_changes))
2058
1931
        target_index = 0
2059
 
        if self.source._revision_id == _mod_revision.NULL_REVISION:
 
1932
        if self.source._revision_id == NULL_REVISION:
2060
1933
            source_index = None
2061
1934
            indices = (target_index,)
2062
1935
        else:
2077
1950
        else:
2078
1951
            specific_files = set([''])
2079
1952
        # -- specific_files is now a utf8 path set --
2080
 
 
 
1953
        search_specific_files = set()
2081
1954
        # -- get the state object and prepare it.
2082
1955
        state = self.target.current_dirstate()
2083
1956
        state._read_dirblocks_if_needed()
2084
1957
        if require_versioned:
2085
1958
            # -- check all supplied paths are versioned in a search tree. --
2086
 
            not_versioned = []
 
1959
            all_versioned = True
2087
1960
            for path in specific_files:
2088
1961
                path_entries = state._entries_for_path(path)
2089
1962
                if not path_entries:
2090
1963
                    # this specified path is not present at all: error
2091
 
                    not_versioned.append(path)
2092
 
                    continue
 
1964
                    all_versioned = False
 
1965
                    break
2093
1966
                found_versioned = False
2094
1967
                # for each id at this path
2095
1968
                for entry in path_entries:
2102
1975
                if not found_versioned:
2103
1976
                    # none of the indexes was not 'absent' at all ids for this
2104
1977
                    # path.
2105
 
                    not_versioned.append(path)
2106
 
            if len(not_versioned) > 0:
2107
 
                raise errors.PathsNotVersionedError(not_versioned)
 
1978
                    all_versioned = False
 
1979
                    break
 
1980
            if not all_versioned:
 
1981
                raise errors.PathsNotVersionedError(specific_files)
2108
1982
        # -- remove redundancy in supplied specific_files to prevent over-scanning --
2109
 
        search_specific_files = osutils.minimum_path_selection(specific_files)
 
1983
        for path in specific_files:
 
1984
            other_specific_files = specific_files.difference(set([path]))
 
1985
            if not osutils.is_inside_any(other_specific_files, path):
 
1986
                # this is a top level path, we must check it.
 
1987
                search_specific_files.add(path)
2110
1988
 
2111
1989
        use_filesystem_for_exec = (sys.platform != 'win32')
2112
1990
        iter_changes = self.target._iter_changes(include_unchanged,
2124
2002
            (revisiontree.RevisionTree, DirStateRevisionTree)):
2125
2003
            return False
2126
2004
        # the source revid must be in the target dirstate
2127
 
        if not (source._revision_id == _mod_revision.NULL_REVISION or
 
2005
        if not (source._revision_id == NULL_REVISION or
2128
2006
            source._revision_id in target.get_parent_ids()):
2129
2007
            # TODO: what about ghosts? it may well need to
2130
2008
            # check for them explicitly.
2191
2069
        # tree during upgrade.
2192
2070
        tree._control_files.lock_write()
2193
2071
        try:
2194
 
            self.update_format(tree)
2195
 
        finally:
2196
 
            tree._control_files.unlock()
2197
 
 
2198
 
    def update_format(self, tree):
2199
 
        """Change the format marker."""
2200
 
        tree._transport.put_bytes('format',
2201
 
            self.target_format.get_format_string(),
2202
 
            mode=tree.bzrdir._get_file_mode())
2203
 
 
2204
 
 
2205
 
class Converter4or5to6(object):
2206
 
    """Perform an in-place upgrade of format 4 or 5 to format 6 trees."""
2207
 
 
2208
 
    def __init__(self):
2209
 
        self.target_format = WorkingTreeFormat6()
2210
 
 
2211
 
    def convert(self, tree):
2212
 
        # lock the control files not the tree, so that we don't get tree
2213
 
        # on-unlock behaviours, and so that no-one else diddles with the
2214
 
        # tree during upgrade.
2215
 
        tree._control_files.lock_write()
2216
 
        try:
2217
2072
            self.init_custom_control_files(tree)
2218
2073
            self.update_format(tree)
2219
2074
        finally: