29
29
WorkingTree.open(dir).
32
MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
33
CONFLICT_HEADER_1 = "BZR conflict list format 1"
35
# TODO: Give the workingtree sole responsibility for the working inventory;
36
# remove the variable and references to it from the branch. This may require
37
# updating the commit code so as to update the inventory within the working
38
# copy, and making sure there's only one WorkingTree for any directory on disk.
39
# At the moment they may alias the inventory and have old copies of it in
40
# memory. (Now done? -- mbp 20060309)
42
from binascii import hexlify
44
from copy import deepcopy
33
45
from cStringIO import StringIO
37
from bzrlib.lazy_import import lazy_import
38
lazy_import(globals(), """
39
from bisect import bisect_left
51
conflicts as _mod_conflicts,
60
revision as _mod_revision,
55
from bzrlib import bzrdir, errors, ignores, osutils, urlutils
56
from bzrlib.atomicfile import AtomicFile
69
57
import bzrlib.branch
70
from bzrlib.transport import get_transport
71
from bzrlib.workingtree_4 import (
78
from bzrlib import symbol_versioning
58
from bzrlib.conflicts import Conflict, ConflictList, CONFLICT_SUFFIXES
79
59
from bzrlib.decorators import needs_read_lock, needs_write_lock
80
from bzrlib.lockable_files import LockableFiles
60
from bzrlib.errors import (BzrCheckError,
63
WeaveRevisionNotPresent,
67
MergeModifiedFormatError,
70
from bzrlib.inventory import InventoryEntry, Inventory
71
from bzrlib.lockable_files import LockableFiles, TransportLock
81
72
from bzrlib.lockdir import LockDir
73
from bzrlib.merge import merge_inner, transform_tree
82
74
import bzrlib.mutabletree
83
75
from bzrlib.mutabletree import needs_tree_write_lock
84
from bzrlib import osutils
85
76
from bzrlib.osutils import (
95
from bzrlib.filters import filtered_input_file
93
from bzrlib.progress import DummyProgress, ProgressPhase
94
from bzrlib.revision import NULL_REVISION
95
import bzrlib.revisiontree
96
from bzrlib.rio import RioReader, rio_file, Stanza
97
from bzrlib.symbol_versioning import (deprecated_passed,
100
DEPRECATED_PARAMETER,
96
104
from bzrlib.trace import mutter, note
105
from bzrlib.transform import build_tree
106
from bzrlib.transport import get_transport
97
107
from bzrlib.transport.local import LocalTransport
98
from bzrlib.revision import CURRENT_REVISION
99
from bzrlib.rio import RioReader, rio_file, Stanza
100
from bzrlib.symbol_versioning import (
102
DEPRECATED_PARAMETER,
106
MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
107
# TODO: Modifying the conflict objects or their type is currently nearly
108
# impossible as there is no clear relationship between the working tree format
109
# and the conflict list file format.
110
CONFLICT_HEADER_1 = "BZR conflict list format 1"
112
ERROR_PATH_NOT_FOUND = 3 # WindowsError errno code, equivalent to ENOENT
108
from bzrlib.textui import show_status
113
# the regex removes any weird characters; we don't escape them
114
# but rather just pull them out
115
_gen_file_id_re = re.compile(r'[^\w.]')
116
_gen_id_suffix = None
120
def _next_id_suffix():
121
"""Create a new file id suffix that is reasonably unique.
123
On the first call we combine the current time with 64 bits of randomness
124
to give a highly probably globally unique number. Then each call in the same
125
process adds 1 to a serial number we append to that unique value.
127
# XXX TODO: change bzrlib.add.smart_add to call workingtree.add() rather
128
# than having to move the id randomness out of the inner loop like this.
129
# XXX TODO: for the global randomness this uses we should add the thread-id
130
# before the serial #.
131
global _gen_id_suffix, _gen_id_serial
132
if _gen_id_suffix is None:
133
_gen_id_suffix = "-%s-%s-" % (compact_date(time()), rand_chars(16))
135
return _gen_id_suffix + str(_gen_id_serial)
138
def gen_file_id(name):
139
"""Return new file id for the basename 'name'.
141
The uniqueness is supplied from _next_id_suffix.
143
# The real randomness is in the _next_id_suffix, the
144
# rest of the identifier is just to be nice.
146
# 1) Remove non-ascii word characters to keep the ids portable
147
# 2) squash to lowercase, so the file id doesn't have to
148
# be escaped (case insensitive filesystems would bork for ids
149
# that only differred in case without escaping).
150
# 3) truncate the filename to 20 chars. Long filenames also bork on some
152
# 4) Removing starting '.' characters to prevent the file ids from
153
# being considered hidden.
154
ascii_word_only = _gen_file_id_re.sub('', name.lower())
155
short_no_dots = ascii_word_only.lstrip('.')[:20]
156
return short_no_dots + _next_id_suffix()
160
"""Return a new tree-root file id."""
161
return gen_file_id('TREE_ROOT')
115
164
class TreeEntry(object):
116
165
"""An entry that implements the minimum interface used by commands.
118
This needs further inspection, it may be better to have
167
This needs further inspection, it may be better to have
119
168
InventoryEntries without ids - though that seems wrong. For now,
120
169
this is a parallel hierarchy to InventoryEntry, and needs to become
121
170
one of several things: decorates to that hierarchy, children of, or
411
395
# no parents, return an empty revision tree.
412
396
# in the future this should return the tree for
413
397
# 'empty:' - the implicit root empty tree.
414
return self.branch.repository.revision_tree(
415
_mod_revision.NULL_REVISION)
417
return self.revision_tree(revision_id)
418
except errors.NoSuchRevision:
398
return self.branch.repository.revision_tree(None)
401
xml = self.read_basis_inventory()
402
inv = bzrlib.xml6.serializer_v6.read_inventory_from_string(xml)
403
if inv is not None and inv.revision_id == revision_id:
404
return bzrlib.tree.RevisionTree(self.branch.repository,
406
except (NoSuchFile, errors.BadInventoryFormat):
420
408
# No cached copy available, retrieve from the repository.
421
409
# FIXME? RBC 20060403 should we cache the inventory locally
422
410
# at this point ?
424
412
return self.branch.repository.revision_tree(revision_id)
425
except (errors.RevisionNotPresent, errors.NoSuchRevision):
413
except errors.RevisionNotPresent:
426
414
# the basis tree *may* be a ghost or a low level error may have
427
# occurred. If the revision is present, its a problem, if its not
415
# occured. If the revision is present, its a problem, if its not
429
417
if self.branch.repository.has_revision(revision_id):
431
419
# the basis tree is a ghost so return an empty tree.
432
return self.branch.repository.revision_tree(
433
_mod_revision.NULL_REVISION)
436
self._flush_ignore_list_cache()
420
return self.branch.repository.revision_tree(None)
423
@deprecated_method(zero_eight)
424
def create(branch, directory):
425
"""Create a workingtree for branch at directory.
427
If existing_directory already exists it must have a .bzr directory.
428
If it does not exist, it will be created.
430
This returns a new WorkingTree object for the new checkout.
432
TODO FIXME RBC 20060124 when we have checkout formats in place this
433
should accept an optional revisionid to checkout [and reject this if
434
checking out into the same dir as a pre-checkout-aware branch format.]
436
XXX: When BzrDir is present, these should be created through that
439
warnings.warn('delete WorkingTree.create', stacklevel=3)
440
transport = get_transport(directory)
441
if branch.bzrdir.root_transport.base == transport.base:
443
return branch.bzrdir.create_workingtree()
444
# different directory,
445
# create a branch reference
446
# and now a working tree.
447
raise NotImplementedError
450
@deprecated_method(zero_eight)
451
def create_standalone(directory):
452
"""Create a checkout and a branch and a repo at directory.
454
Directory must exist and be empty.
456
please use BzrDir.create_standalone_workingtree
458
return bzrdir.BzrDir.create_standalone_workingtree(directory)
438
460
def relpath(self, path):
439
461
"""Return the local path portion from a given path.
441
The path may be absolute or relative. If its a relative path it is
463
The path may be absolute or relative. If its a relative path it is
442
464
interpreted relative to the python current working directory.
444
return osutils.relpath(self.basedir, path)
466
return relpath(self.basedir, path)
446
468
def has_filename(self, filename):
447
469
return osutils.lexists(self.abspath(filename))
449
def get_file(self, file_id, path=None, filtered=True):
450
return self.get_file_with_stat(file_id, path, filtered=filtered)[0]
452
def get_file_with_stat(self, file_id, path=None, filtered=True,
454
"""See Tree.get_file_with_stat."""
456
path = self.id2path(file_id)
457
file_obj = self.get_file_byname(path, filtered=False)
458
stat_value = _fstat(file_obj.fileno())
459
if filtered and self.supports_content_filtering():
460
filters = self._content_filter_stack(path)
461
file_obj = filtered_input_file(file_obj, filters)
462
return (file_obj, stat_value)
464
def get_file_text(self, file_id, path=None, filtered=True):
465
return self.get_file(file_id, path=path, filtered=filtered).read()
467
def get_file_byname(self, filename, filtered=True):
468
path = self.abspath(filename)
470
if filtered and self.supports_content_filtering():
471
filters = self._content_filter_stack(filename)
472
return filtered_input_file(f, filters)
476
def get_file_lines(self, file_id, path=None, filtered=True):
477
"""See Tree.get_file_lines()"""
478
file = self.get_file(file_id, path, filtered=filtered)
480
return file.readlines()
485
def annotate_iter(self, file_id, default_revision=CURRENT_REVISION):
486
"""See Tree.annotate_iter
488
This implementation will use the basis tree implementation if possible.
489
Lines not in the basis are attributed to CURRENT_REVISION
491
If there are pending merges, lines added by those merges will be
492
incorrectly attributed to CURRENT_REVISION (but after committing, the
493
attribution will be correct).
495
maybe_file_parent_keys = []
496
for parent_id in self.get_parent_ids():
498
parent_tree = self.revision_tree(parent_id)
499
except errors.NoSuchRevisionInTree:
500
parent_tree = self.branch.repository.revision_tree(parent_id)
501
parent_tree.lock_read()
503
if file_id not in parent_tree:
505
ie = parent_tree.inventory[file_id]
506
if ie.kind != 'file':
507
# Note: this is slightly unnecessary, because symlinks and
508
# directories have a "text" which is the empty text, and we
509
# know that won't mess up annotations. But it seems cleaner
511
parent_text_key = (file_id, ie.revision)
512
if parent_text_key not in maybe_file_parent_keys:
513
maybe_file_parent_keys.append(parent_text_key)
516
graph = _mod_graph.Graph(self.branch.repository.texts)
517
heads = graph.heads(maybe_file_parent_keys)
518
file_parent_keys = []
519
for key in maybe_file_parent_keys:
521
file_parent_keys.append(key)
523
# Now we have the parents of this content
524
annotator = self.branch.repository.texts.get_annotator()
525
text = self.get_file(file_id).read()
526
this_key =(file_id, default_revision)
527
annotator.add_special_text(this_key, file_parent_keys, text)
528
annotations = [(key[-1], line)
529
for key, line in annotator.annotate_flat(this_key)]
532
def _get_ancestors(self, default_revision):
533
ancestors = set([default_revision])
534
for parent_id in self.get_parent_ids():
535
ancestors.update(self.branch.repository.get_ancestry(
536
parent_id, topo_sorted=False))
471
def get_file(self, file_id):
472
return self.get_file_byname(self.id2path(file_id))
474
def get_file_text(self, file_id):
475
return self.get_file(file_id).read()
477
def get_file_byname(self, filename):
478
return file(self.abspath(filename), 'rb')
539
480
def get_parent_ids(self):
540
481
"""See Tree.get_parent_ids.
542
483
This implementation reads the pending merges list and last_revision
543
484
value and uses that to decide what the parents list should be.
545
last_rev = _mod_revision.ensure_null(self._last_revision())
546
if _mod_revision.NULL_REVISION == last_rev:
486
last_rev = self._last_revision()
549
490
parents = [last_rev]
551
merges_bytes = self._transport.get_bytes('pending-merges')
552
except errors.NoSuchFile:
492
merges_file = self._control_files.get_utf8('pending-merges')
555
for l in osutils.split_lines(merges_bytes):
556
revision_id = l.rstrip('\n')
557
parents.append(revision_id)
496
for l in merges_file.readlines():
497
parents.append(l.rstrip('\n'))
561
500
def get_root_id(self):
562
501
"""Return the id of this trees root"""
563
return self._inventory.root.file_id
502
inv = self.read_working_inventory()
503
return inv.root.file_id
565
505
def _get_store_filename(self, file_id):
566
506
## XXX: badly named; this is not in the store at all
567
507
return self.abspath(self.id2path(file_id))
570
def clone(self, to_bzrdir, revision_id=None):
510
def clone(self, to_bzrdir, revision_id=None, basis=None):
571
511
"""Duplicate this working tree into to_bzr, including all state.
573
513
Specifically modified files are kept as modified, but
574
514
ignored and unknown files are discarded.
576
516
If you want to make a new line of development, see bzrdir.sprout()
579
If not None, the cloned tree will have its last revision set to
580
revision, and difference between the source trees last revision
519
If not None, the cloned tree will have its last revision set to
520
revision, and and difference between the source trees last revision
581
521
and this one merged in.
524
If not None, a closer copy of a tree which may have some files in
525
common, and which file content should be preferentially copied from.
583
527
# assumes the target bzr dir format is compatible.
584
result = to_bzrdir.create_workingtree()
528
result = self._format.initialize(to_bzrdir)
585
529
self.copy_content_into(result, revision_id)
589
533
def copy_content_into(self, tree, revision_id=None):
590
534
"""Copy the current content and user files of this tree into tree."""
591
tree.set_root_id(self.get_root_id())
592
535
if revision_id is None:
593
merge.transform_tree(tree, self)
536
transform_tree(tree, self)
595
538
# TODO now merge from tree.last_revision to revision (to preserve
596
539
# user local changes)
597
merge.transform_tree(tree, self)
540
transform_tree(tree, self)
598
541
tree.set_parent_ids([revision_id])
600
543
def id2abspath(self, file_id):
746
663
self.set_parent_ids(parents, allow_leftmost_as_ghost=True)
748
def path_content_summary(self, path, _lstat=os.lstat,
749
_mapper=osutils.file_kind_from_stat_mode):
750
"""See Tree.path_content_summary."""
751
abspath = self.abspath(path)
753
stat_result = _lstat(abspath)
755
if getattr(e, 'errno', None) == errno.ENOENT:
757
return ('missing', None, None, None)
758
# propagate other errors
760
kind = _mapper(stat_result.st_mode)
762
return self._file_content_summary(path, stat_result)
763
elif kind == 'directory':
764
# perhaps it looks like a plain directory, but it's really a
766
if self._directory_is_tree_reference(path):
767
kind = 'tree-reference'
768
return kind, None, None, None
769
elif kind == 'symlink':
770
target = osutils.readlink(abspath)
771
return ('symlink', None, None, target)
773
return (kind, None, None, None)
775
def _file_content_summary(self, path, stat_result):
776
size = stat_result.st_size
777
executable = self._is_executable_from_path_and_stat(path, stat_result)
778
# try for a stat cache lookup
779
return ('file', size, executable, self._sha_from_stat(
782
def _check_parents_for_ghosts(self, revision_ids, allow_leftmost_as_ghost):
783
"""Common ghost checking functionality from set_parent_*.
785
This checks that the left hand-parent exists if there are any
788
if len(revision_ids) > 0:
789
leftmost_id = revision_ids[0]
790
if (not allow_leftmost_as_ghost and not
791
self.branch.repository.has_revision(leftmost_id)):
792
raise errors.GhostRevisionUnusableHere(leftmost_id)
794
def _set_merges_from_parent_ids(self, parent_ids):
795
merges = parent_ids[1:]
796
self._transport.put_bytes('pending-merges', '\n'.join(merges),
797
mode=self.bzrdir._get_file_mode())
799
def _filter_parent_ids_by_ancestry(self, revision_ids):
800
"""Check that all merged revisions are proper 'heads'.
802
This will always return the first revision_id, and any merged revisions
805
if len(revision_ids) == 0:
807
graph = self.branch.repository.get_graph()
808
heads = graph.heads(revision_ids)
809
new_revision_ids = revision_ids[:1]
810
for revision_id in revision_ids[1:]:
811
if revision_id in heads and revision_id not in new_revision_ids:
812
new_revision_ids.append(revision_id)
813
if new_revision_ids != revision_ids:
814
trace.mutter('requested to set revision_ids = %s,'
815
' but filtered to %s', revision_ids, new_revision_ids)
816
return new_revision_ids
665
@deprecated_method(zero_eleven)
667
def pending_merges(self):
668
"""Return a list of pending merges.
670
These are revisions that have been merged into the working
671
directory but not yet committed.
673
As of 0.11 this is deprecated. Please see WorkingTree.get_parent_ids()
674
instead - which is available on all tree objects.
676
return self.get_parent_ids()[1:]
818
678
@needs_tree_write_lock
819
679
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
820
680
"""Set the parent ids to revision_ids.
822
682
See also set_parent_trees. This api will try to retrieve the tree data
823
683
for each element of revision_ids from the trees repository. If you have
824
684
tree data already available, it is more efficient to use
883
718
def set_merge_modified(self, modified_hashes):
884
719
def iter_stanzas():
885
720
for file_id, hash in modified_hashes.iteritems():
886
yield Stanza(file_id=file_id.decode('utf8'), hash=hash)
721
yield Stanza(file_id=file_id, hash=hash)
887
722
self._put_rio('merge-hashes', iter_stanzas(), MERGE_MODIFIED_HEADER_1)
889
def _sha_from_stat(self, path, stat_result):
890
"""Get a sha digest from the tree's stat cache.
892
The default implementation assumes no stat cache is present.
894
:param path: The path.
895
:param stat_result: The stat result being looked up.
724
@needs_tree_write_lock
899
725
def _put_rio(self, filename, stanzas, header):
900
self._must_be_locked()
901
726
my_file = rio_file(stanzas, header)
902
self._transport.put_file(filename, my_file,
903
mode=self.bzrdir._get_file_mode())
727
self._control_files.put(filename, my_file)
905
729
@needs_write_lock # because merge pulls data into the branch.
906
def merge_from_branch(self, branch, to_revision=None, from_revision=None,
907
merge_type=None, force=False):
730
def merge_from_branch(self, branch, to_revision=None):
908
731
"""Merge from a branch into this working tree.
910
733
:param branch: The branch to merge from.
911
:param to_revision: If non-None, the merge will merge to to_revision,
912
but not beyond it. to_revision does not need to be in the history
913
of the branch when it is supplied. If None, to_revision defaults to
734
:param to_revision: If non-None, the merge will merge to to_revision, but
735
not beyond it. to_revision does not need to be in the history of
736
the branch when it is supplied. If None, to_revision defaults to
914
737
branch.last_revision().
916
739
from bzrlib.merge import Merger, Merge3Merger
917
merger = Merger(self.branch, this_tree=self)
918
# check that there are no local alterations
919
if not force and self.has_changes():
920
raise errors.UncommittedChanges(self)
921
if to_revision is None:
922
to_revision = _mod_revision.ensure_null(branch.last_revision())
923
merger.other_rev_id = to_revision
924
if _mod_revision.is_null(merger.other_rev_id):
925
raise errors.NoCommits(branch)
926
self.branch.fetch(branch, last_revision=merger.other_rev_id)
927
merger.other_basis = merger.other_rev_id
928
merger.other_tree = self.branch.repository.revision_tree(
930
merger.other_branch = branch
931
if from_revision is None:
740
pb = bzrlib.ui.ui_factory.nested_progress_bar()
742
merger = Merger(self.branch, this_tree=self, pb=pb)
743
merger.pp = ProgressPhase("Merge phase", 5, pb)
744
merger.pp.next_phase()
745
# check that there are no
747
merger.check_basis(check_clean=True, require_commits=False)
748
if to_revision is None:
749
to_revision = branch.last_revision()
750
merger.other_rev_id = to_revision
751
if merger.other_rev_id is None:
752
raise error.NoCommits(branch)
753
self.branch.fetch(branch, last_revision=merger.other_rev_id)
754
merger.other_basis = merger.other_rev_id
755
merger.other_tree = self.branch.repository.revision_tree(
757
merger.pp.next_phase()
932
758
merger.find_base()
934
merger.set_base_revision(from_revision, branch)
935
if merger.base_rev_id == merger.other_rev_id:
936
raise errors.PointlessMerge
937
merger.backup_files = False
938
if merge_type is None:
759
if merger.base_rev_id == merger.other_rev_id:
760
raise errors.PointlessMerge
761
merger.backup_files = False
939
762
merger.merge_type = Merge3Merger
941
merger.merge_type = merge_type
942
merger.set_interesting_files(None)
943
merger.show_base = False
944
merger.reprocess = False
945
conflicts = merger.do_merge()
763
merger.set_interesting_files(None)
764
merger.show_base = False
765
merger.reprocess = False
766
conflicts = merger.do_merge()
950
773
def merge_modified(self):
951
"""Return a dictionary of files modified by a merge.
953
The list is initialized by WorkingTree.set_merge_modified, which is
954
typically called after we make some automatic updates to the tree
957
This returns a map of file_id->sha1, containing only files which are
958
still in the working inventory and have that text hash.
961
hashfile = self._transport.get('merge-hashes')
962
except errors.NoSuchFile:
775
hashfile = self._control_files.get('merge-hashes')
967
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
968
raise errors.MergeModifiedFormatError()
969
except StopIteration:
970
raise errors.MergeModifiedFormatError()
971
for s in RioReader(hashfile):
972
# RioReader reads in Unicode, so convert file_ids back to utf8
973
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
974
if file_id not in self.inventory:
976
text_hash = s.get("hash")
977
if text_hash == self.get_file_sha1(file_id):
978
merge_hashes[file_id] = text_hash
780
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
781
raise MergeModifiedFormatError()
782
except StopIteration:
783
raise MergeModifiedFormatError()
784
for s in RioReader(hashfile):
785
file_id = s.get("file_id")
786
if file_id not in self.inventory:
789
if hash == self.get_file_sha1(file_id):
790
merge_hashes[file_id] = hash
983
793
@needs_write_lock
984
794
def mkdir(self, path, file_id=None):
985
795
"""See MutableTree.mkdir()."""
986
796
if file_id is None:
987
file_id = generate_ids.gen_file_id(os.path.basename(path))
797
file_id = gen_file_id(os.path.basename(path))
988
798
os.mkdir(self.abspath(path))
989
799
self.add(path, file_id, 'directory')
992
802
def get_symlink_target(self, file_id):
993
abspath = self.id2abspath(file_id)
994
target = osutils.readlink(abspath)
998
def subsume(self, other_tree):
999
def add_children(inventory, entry):
1000
for child_entry in entry.children.values():
1001
inventory._byid[child_entry.file_id] = child_entry
1002
if child_entry.kind == 'directory':
1003
add_children(inventory, child_entry)
1004
if other_tree.get_root_id() == self.get_root_id():
1005
raise errors.BadSubsumeSource(self, other_tree,
1006
'Trees have the same root')
1008
other_tree_path = self.relpath(other_tree.basedir)
1009
except errors.PathNotChild:
1010
raise errors.BadSubsumeSource(self, other_tree,
1011
'Tree is not contained by the other')
1012
new_root_parent = self.path2id(osutils.dirname(other_tree_path))
1013
if new_root_parent is None:
1014
raise errors.BadSubsumeSource(self, other_tree,
1015
'Parent directory is not versioned.')
1016
# We need to ensure that the result of a fetch will have a
1017
# versionedfile for the other_tree root, and only fetching into
1018
# RepositoryKnit2 guarantees that.
1019
if not self.branch.repository.supports_rich_root():
1020
raise errors.SubsumeTargetNeedsUpgrade(other_tree)
1021
other_tree.lock_tree_write()
1023
new_parents = other_tree.get_parent_ids()
1024
other_root = other_tree.inventory.root
1025
other_root.parent_id = new_root_parent
1026
other_root.name = osutils.basename(other_tree_path)
1027
self.inventory.add(other_root)
1028
add_children(self.inventory, other_root)
1029
self._write_inventory(self.inventory)
1030
# normally we don't want to fetch whole repositories, but i think
1031
# here we really do want to consolidate the whole thing.
1032
for parent_id in other_tree.get_parent_ids():
1033
self.branch.fetch(other_tree.branch, parent_id)
1034
self.add_parent_tree_id(parent_id)
1037
other_tree.bzrdir.retire_bzrdir()
1039
def _setup_directory_is_tree_reference(self):
1040
if self._branch.repository._format.supports_tree_reference:
1041
self._directory_is_tree_reference = \
1042
self._directory_may_be_tree_reference
1044
self._directory_is_tree_reference = \
1045
self._directory_is_never_tree_reference
1047
def _directory_is_never_tree_reference(self, relpath):
1050
def _directory_may_be_tree_reference(self, relpath):
1051
# as a special case, if a directory contains control files then
1052
# it's a tree reference, except that the root of the tree is not
1053
return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")
1054
# TODO: We could ask all the control formats whether they
1055
# recognize this directory, but at the moment there's no cheap api
1056
# to do that. Since we probably can only nest bzr checkouts and
1057
# they always use this name it's ok for now. -- mbp 20060306
1059
# FIXME: There is an unhandled case here of a subdirectory
1060
# containing .bzr but not a branch; that will probably blow up
1061
# when you try to commit it. It might happen if there is a
1062
# checkout in a subdirectory. This can be avoided by not adding
1065
@needs_tree_write_lock
1066
def extract(self, file_id, format=None):
1067
"""Extract a subtree from this tree.
1069
A new branch will be created, relative to the path for this tree.
1073
segments = osutils.splitpath(path)
1074
transport = self.branch.bzrdir.root_transport
1075
for name in segments:
1076
transport = transport.clone(name)
1077
transport.ensure_base()
1080
sub_path = self.id2path(file_id)
1081
branch_transport = mkdirs(sub_path)
1083
format = self.bzrdir.cloning_metadir()
1084
branch_transport.ensure_base()
1085
branch_bzrdir = format.initialize_on_transport(branch_transport)
1087
repo = branch_bzrdir.find_repository()
1088
except errors.NoRepositoryPresent:
1089
repo = branch_bzrdir.create_repository()
1090
if not repo.supports_rich_root():
1091
raise errors.RootNotRich()
1092
new_branch = branch_bzrdir.create_branch()
1093
new_branch.pull(self.branch)
1094
for parent_id in self.get_parent_ids():
1095
new_branch.fetch(self.branch, parent_id)
1096
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1097
if tree_transport.base != branch_transport.base:
1098
tree_bzrdir = format.initialize_on_transport(tree_transport)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1102
tree_bzrdir = branch_bzrdir
1103
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1104
wt.set_parent_ids(self.get_parent_ids())
1105
my_inv = self.inventory
1106
child_inv = inventory.Inventory(root_id=None)
1107
new_root = my_inv[file_id]
1108
my_inv.remove_recursive_id(file_id)
1109
new_root.parent_id = None
1110
child_inv.add(new_root)
1111
self._write_inventory(my_inv)
1112
wt._write_inventory(child_inv)
1115
def _serialize(self, inventory, out_file):
1116
xml5.serializer_v5.write_inventory(self._inventory, out_file,
1119
def _deserialize(selt, in_file):
1120
return xml5.serializer_v5.read_inventory(in_file)
1123
"""Write the in memory inventory to disk."""
1124
# TODO: Maybe this should only write on dirty ?
1125
if self._control_files._lock_mode != 'w':
1126
raise errors.NotWriteLocked(self)
1128
self._serialize(self._inventory, sio)
1130
self._transport.put_file('inventory', sio,
1131
mode=self.bzrdir._get_file_mode())
1132
self._inventory_is_modified = False
1134
def _kind(self, relpath):
1135
return osutils.file_kind(self.abspath(relpath))
1137
def list_files(self, include_root=False, from_dir=None, recursive=True):
1138
"""List all files as (path, class, kind, id, entry).
803
return os.readlink(self.id2abspath(file_id))
805
def file_class(self, filename):
806
if self.path2id(filename):
808
elif self.is_ignored(filename):
813
def list_files(self):
814
"""Recursively list all files as (path, class, kind, id, entry).
1140
816
Lists, but does not descend into unversioned directories.
1141
818
This does not include files that have been deleted in this
1142
tree. Skips the control directory.
1144
:param include_root: if True, return an entry for the root
1145
:param from_dir: start from this directory or None for the root
1146
:param recursive: whether to recurse into subdirectories or not
821
Skips the control directory.
1148
# list_files is an iterator, so @needs_read_lock doesn't work properly
1149
# with it. So callers should be careful to always read_lock the tree.
1150
if not self.is_locked():
1151
raise errors.ObjectNotLocked(self)
1153
inv = self.inventory
1154
if from_dir is None and include_root is True:
1155
yield ('', 'V', 'directory', inv.root.file_id, inv.root)
823
inv = self._inventory
1156
824
# Convert these into local objects to save lookup times
1157
825
pathjoin = osutils.pathjoin
1158
file_kind = self._kind
826
file_kind = osutils.file_kind
1160
828
# transport.base ends in a slash, we want the piece
1161
829
# between the last two slashes
1239
904
except KeyError:
1240
905
yield fp[1:], c, fk, None, TreeEntry()
1243
908
if fk != 'directory':
1246
# But do this child first if recursing down
1248
new_children = os.listdir(fap)
1250
new_children = collections.deque(new_children)
1251
stack.append((f_ie.file_id, fp, fap, new_children))
1252
# Break out of inner loop,
1253
# so that we start outer loop with child
911
# But do this child first
912
new_children = os.listdir(fap)
914
new_children = collections.deque(new_children)
915
stack.append((f_ie.file_id, fp, fap, new_children))
916
# Break out of inner loop, so that we start outer loop with child
1256
919
# if we finished all children, pop it off the stack
1259
922
@needs_tree_write_lock
1260
def move(self, from_paths, to_dir=None, after=False, **kwargs):
923
def move(self, from_paths, to_name):
1261
924
"""Rename files.
1263
to_dir must exist in the inventory.
1265
If to_dir exists and is a directory, the files are moved into
1266
it, keeping their old names.
1268
Note that to_dir is only the last component of the new name;
926
to_name must exist in the inventory.
928
If to_name exists and is a directory, the files are moved into
929
it, keeping their old names.
931
Note that to_name is only the last component of the new name;
1269
932
this doesn't change the directory.
1271
For each entry in from_paths the move mode will be determined
1274
The first mode moves the file in the filesystem and updates the
1275
inventory. The second mode only updates the inventory without
1276
touching the file on the filesystem. This is the new mode introduced
1279
move uses the second mode if 'after == True' and the target is not
1280
versioned but present in the working tree.
1282
move uses the second mode if 'after == False' and the source is
1283
versioned but no longer in the working tree, and the target is not
1284
versioned but present in the working tree.
1286
move uses the first mode if 'after == False' and the source is
1287
versioned and present in the working tree, and the target is not
1288
versioned and not present in the working tree.
1290
Everything else results in an error.
1292
934
This returns a list of (from_path, to_path) pairs for each
1293
935
entry that is moved.
1298
# check for deprecated use of signature
1300
to_dir = kwargs.get('to_name', None)
1302
raise TypeError('You must supply a target directory')
1304
symbol_versioning.warn('The parameter to_name was deprecated'
1305
' in version 0.13. Use to_dir instead',
1308
# check destination directory
1309
if isinstance(from_paths, basestring):
938
## TODO: Option to move IDs only
939
assert not isinstance(from_paths, basestring)
1311
940
inv = self.inventory
1312
to_abs = self.abspath(to_dir)
941
to_abs = self.abspath(to_name)
1313
942
if not isdir(to_abs):
1314
raise errors.BzrMoveFailedError('',to_dir,
1315
errors.NotADirectory(to_abs))
1316
if not self.has_filename(to_dir):
1317
raise errors.BzrMoveFailedError('',to_dir,
1318
errors.NotInWorkingDirectory(to_dir))
1319
to_dir_id = inv.path2id(to_dir)
1320
if to_dir_id is None:
1321
raise errors.BzrMoveFailedError('',to_dir,
1322
errors.NotVersionedError(path=str(to_dir)))
943
raise BzrError("destination %r is not a directory" % to_abs)
944
if not self.has_filename(to_name):
945
raise BzrError("destination %r not in working directory" % to_abs)
946
to_dir_id = inv.path2id(to_name)
947
if to_dir_id is None and to_name != '':
948
raise BzrError("destination %r is not a versioned directory" % to_name)
1324
949
to_dir_ie = inv[to_dir_id]
1325
950
if to_dir_ie.kind != 'directory':
1326
raise errors.BzrMoveFailedError('',to_dir,
1327
errors.NotADirectory(to_abs))
1329
# create rename entries and tuples
1330
for from_rel in from_paths:
1331
from_tail = splitpath(from_rel)[-1]
1332
from_id = inv.path2id(from_rel)
1334
raise errors.BzrMoveFailedError(from_rel,to_dir,
1335
errors.NotVersionedError(path=str(from_rel)))
1337
from_entry = inv[from_id]
1338
from_parent_id = from_entry.parent_id
1339
to_rel = pathjoin(to_dir, from_tail)
1340
rename_entry = WorkingTree._RenameEntry(from_rel=from_rel,
1342
from_tail=from_tail,
1343
from_parent_id=from_parent_id,
1344
to_rel=to_rel, to_tail=from_tail,
1345
to_parent_id=to_dir_id)
1346
rename_entries.append(rename_entry)
1347
rename_tuples.append((from_rel, to_rel))
1349
# determine which move mode to use. checks also for movability
1350
rename_entries = self._determine_mv_mode(rename_entries, after)
1352
original_modified = self._inventory_is_modified
951
raise BzrError("destination %r is not a directory" % to_abs)
953
to_idpath = inv.get_idpath(to_dir_id)
956
if not self.has_filename(f):
957
raise BzrError("%r does not exist in working tree" % f)
958
f_id = inv.path2id(f)
960
raise BzrError("%r is not versioned" % f)
961
name_tail = splitpath(f)[-1]
962
dest_path = pathjoin(to_name, name_tail)
963
if self.has_filename(dest_path):
964
raise BzrError("destination %r already exists" % dest_path)
965
if f_id in to_idpath:
966
raise BzrError("can't move %r to a subdirectory of itself" % f)
968
# OK, so there's a race here, it's possible that someone will
969
# create a file in this interval and then the rename might be
970
# left half-done. But we should have caught most problems.
971
orig_inv = deepcopy(self.inventory)
1355
self._inventory_is_modified = True
1356
self._move(rename_entries)
974
name_tail = splitpath(f)[-1]
975
dest_path = pathjoin(to_name, name_tail)
976
result.append((f, dest_path))
977
inv.rename(inv.path2id(f), to_dir_id, name_tail)
979
rename(self.abspath(f), self.abspath(dest_path))
981
raise BzrError("failed to rename %r to %r: %s" %
982
(f, dest_path, e[1]),
983
["rename rolled back"])
1358
985
# restore the inventory on error
1359
self._inventory_is_modified = original_modified
986
self._set_inventory(orig_inv)
1361
988
self._write_inventory(inv)
1362
return rename_tuples
1364
def _determine_mv_mode(self, rename_entries, after=False):
1365
"""Determines for each from-to pair if both inventory and working tree
1366
or only the inventory has to be changed.
1368
Also does basic plausability tests.
1370
inv = self.inventory
1372
for rename_entry in rename_entries:
1373
# store to local variables for easier reference
1374
from_rel = rename_entry.from_rel
1375
from_id = rename_entry.from_id
1376
to_rel = rename_entry.to_rel
1377
to_id = inv.path2id(to_rel)
1378
only_change_inv = False
1380
# check the inventory for source and destination
1382
raise errors.BzrMoveFailedError(from_rel,to_rel,
1383
errors.NotVersionedError(path=str(from_rel)))
1384
if to_id is not None:
1385
raise errors.BzrMoveFailedError(from_rel,to_rel,
1386
errors.AlreadyVersionedError(path=str(to_rel)))
1388
# try to determine the mode for rename (only change inv or change
1389
# inv and file system)
1391
if not self.has_filename(to_rel):
1392
raise errors.BzrMoveFailedError(from_id,to_rel,
1393
errors.NoSuchFile(path=str(to_rel),
1394
extra="New file has not been created yet"))
1395
only_change_inv = True
1396
elif not self.has_filename(from_rel) and self.has_filename(to_rel):
1397
only_change_inv = True
1398
elif self.has_filename(from_rel) and not self.has_filename(to_rel):
1399
only_change_inv = False
1400
elif (not self.case_sensitive
1401
and from_rel.lower() == to_rel.lower()
1402
and self.has_filename(from_rel)):
1403
only_change_inv = False
1405
# something is wrong, so lets determine what exactly
1406
if not self.has_filename(from_rel) and \
1407
not self.has_filename(to_rel):
1408
raise errors.BzrRenameFailedError(from_rel,to_rel,
1409
errors.PathsDoNotExist(paths=(str(from_rel),
1412
raise errors.RenameFailedFilesExist(from_rel, to_rel)
1413
rename_entry.only_change_inv = only_change_inv
1414
return rename_entries
1416
def _move(self, rename_entries):
1417
"""Moves a list of files.
1419
Depending on the value of the flag 'only_change_inv', the
1420
file will be moved on the file system or not.
1422
inv = self.inventory
1425
for entry in rename_entries:
1427
self._move_entry(entry)
1429
self._rollback_move(moved)
1433
def _rollback_move(self, moved):
1434
"""Try to rollback a previous move in case of an filesystem error."""
1435
inv = self.inventory
1438
self._move_entry(WorkingTree._RenameEntry(
1439
entry.to_rel, entry.from_id,
1440
entry.to_tail, entry.to_parent_id, entry.from_rel,
1441
entry.from_tail, entry.from_parent_id,
1442
entry.only_change_inv))
1443
except errors.BzrMoveFailedError, e:
1444
raise errors.BzrMoveFailedError( '', '', "Rollback failed."
1445
" The working tree is in an inconsistent state."
1446
" Please consider doing a 'bzr revert'."
1447
" Error message is: %s" % e)
1449
def _move_entry(self, entry):
1450
inv = self.inventory
1451
from_rel_abs = self.abspath(entry.from_rel)
1452
to_rel_abs = self.abspath(entry.to_rel)
1453
if from_rel_abs == to_rel_abs:
1454
raise errors.BzrMoveFailedError(entry.from_rel, entry.to_rel,
1455
"Source and target are identical.")
1457
if not entry.only_change_inv:
1459
osutils.rename(from_rel_abs, to_rel_abs)
1461
raise errors.BzrMoveFailedError(entry.from_rel,
1463
inv.rename(entry.from_id, entry.to_parent_id, entry.to_tail)
1465
991
@needs_tree_write_lock
1466
def rename_one(self, from_rel, to_rel, after=False):
992
def rename_one(self, from_rel, to_rel):
1467
993
"""Rename one file.
1469
995
This can change the directory or the filename or both.
1471
rename_one has several 'modes' to work. First, it can rename a physical
1472
file and change the file_id. That is the normal mode. Second, it can
1473
only change the file_id without touching any physical file. This is
1474
the new mode introduced in version 0.15.
1476
rename_one uses the second mode if 'after == True' and 'to_rel' is not
1477
versioned but present in the working tree.
1479
rename_one uses the second mode if 'after == False' and 'from_rel' is
1480
versioned but no longer in the working tree, and 'to_rel' is not
1481
versioned but present in the working tree.
1483
rename_one uses the first mode if 'after == False' and 'from_rel' is
1484
versioned and present in the working tree, and 'to_rel' is not
1485
versioned and not present in the working tree.
1487
Everything else results in an error.
1489
997
inv = self.inventory
1492
# create rename entries and tuples
1493
from_tail = splitpath(from_rel)[-1]
1494
from_id = inv.path2id(from_rel)
1496
# if file is missing in the inventory maybe it's in the basis_tree
1497
basis_tree = self.branch.basis_tree()
1498
from_id = basis_tree.path2id(from_rel)
1500
raise errors.BzrRenameFailedError(from_rel,to_rel,
1501
errors.NotVersionedError(path=str(from_rel)))
1502
# put entry back in the inventory so we can rename it
1503
from_entry = basis_tree.inventory[from_id].copy()
1506
from_entry = inv[from_id]
1507
from_parent_id = from_entry.parent_id
998
if not self.has_filename(from_rel):
999
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1000
if self.has_filename(to_rel):
1001
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1003
file_id = inv.path2id(from_rel)
1005
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1007
entry = inv[file_id]
1008
from_parent = entry.parent_id
1009
from_name = entry.name
1011
if inv.path2id(to_rel):
1012
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1508
1014
to_dir, to_tail = os.path.split(to_rel)
1509
1015
to_dir_id = inv.path2id(to_dir)
1510
rename_entry = WorkingTree._RenameEntry(from_rel=from_rel,
1512
from_tail=from_tail,
1513
from_parent_id=from_parent_id,
1514
to_rel=to_rel, to_tail=to_tail,
1515
to_parent_id=to_dir_id)
1516
rename_entries.append(rename_entry)
1518
# determine which move mode to use. checks also for movability
1519
rename_entries = self._determine_mv_mode(rename_entries, after)
1521
# check if the target changed directory and if the target directory is
1523
if to_dir_id is None:
1524
raise errors.BzrMoveFailedError(from_rel,to_rel,
1525
errors.NotVersionedError(path=str(to_dir)))
1527
# all checks done. now we can continue with our actual work
1528
mutter('rename_one:\n'
1533
' to_dir_id {%s}\n',
1534
from_id, from_rel, to_rel, to_dir, to_dir_id)
1536
self._move(rename_entries)
1016
if to_dir_id is None and to_dir != '':
1017
raise BzrError("can't determine destination directory id for %r" % to_dir)
1019
mutter("rename_one:")
1020
mutter(" file_id {%s}" % file_id)
1021
mutter(" from_rel %r" % from_rel)
1022
mutter(" to_rel %r" % to_rel)
1023
mutter(" to_dir %r" % to_dir)
1024
mutter(" to_dir_id {%s}" % to_dir_id)
1026
inv.rename(file_id, to_dir_id, to_tail)
1028
from_abs = self.abspath(from_rel)
1029
to_abs = self.abspath(to_rel)
1031
rename(from_abs, to_abs)
1033
inv.rename(file_id, from_parent, from_name)
1034
raise BzrError("failed to rename %r to %r: %s"
1035
% (from_abs, to_abs, e[1]),
1036
["rename rolled back"])
1537
1037
self._write_inventory(inv)
1539
class _RenameEntry(object):
1540
def __init__(self, from_rel, from_id, from_tail, from_parent_id,
1541
to_rel, to_tail, to_parent_id, only_change_inv=False):
1542
self.from_rel = from_rel
1543
self.from_id = from_id
1544
self.from_tail = from_tail
1545
self.from_parent_id = from_parent_id
1546
self.to_rel = to_rel
1547
self.to_tail = to_tail
1548
self.to_parent_id = to_parent_id
1549
self.only_change_inv = only_change_inv
1551
1039
@needs_read_lock
1552
1040
def unknowns(self):
1553
1041
"""Return all unknown files.
1885
1406
self.branch.set_revision_history([new_revision])
1888
def _write_basis_inventory(self, xml):
1889
"""Write the basis inventory XML to the basis-inventory file"""
1890
path = self._basis_inventory_name()
1892
self._transport.put_file(path, sio,
1893
mode=self.bzrdir._get_file_mode())
1895
def _create_basis_xml_from_inventory(self, revision_id, inventory):
1896
"""Create the text that will be saved in basis-inventory"""
1897
inventory.revision_id = revision_id
1898
return xml7.serializer_v7.write_inventory_to_string(inventory)
1900
1409
def _cache_basis_inventory(self, new_revision):
1901
1410
"""Cache new_revision as the basis inventory."""
1902
1411
# TODO: this should allow the ready-to-use inventory to be passed in,
1903
1412
# as commit already has that ready-to-use [while the format is the
1904
1413
# same, that is].
1906
# this double handles the inventory - unpack and repack -
1415
# this double handles the inventory - unpack and repack -
1907
1416
# but is easier to understand. We can/should put a conditional
1908
1417
# in here based on whether the inventory is in the latest format
1909
1418
# - perhaps we should repack all inventories on a repository
1911
1420
# the fast path is to copy the raw xml from the repository. If the
1912
# xml contains 'revision_id="', then we assume the right
1421
# xml contains 'revision_id="', then we assume the right
1913
1422
# revision_id is set. We must check for this full string, because a
1914
1423
# root node id can legitimately look like 'revision_id' but cannot
1915
1424
# contain a '"'.
1916
xml = self.branch.repository._get_inventory_xml(new_revision)
1425
xml = self.branch.repository.get_inventory_xml(new_revision)
1917
1426
firstline = xml.split('\n', 1)[0]
1918
if (not 'revision_id="' in firstline or
1919
'format="7"' not in firstline):
1920
inv = self.branch.repository._serializer.read_inventory_from_string(
1922
xml = self._create_basis_xml_from_inventory(new_revision, inv)
1923
self._write_basis_inventory(xml)
1427
if (not 'revision_id="' in firstline or
1428
'format="6"' not in firstline):
1429
inv = self.branch.repository.deserialise_inventory(
1431
inv.revision_id = new_revision
1432
xml = bzrlib.xml6.serializer_v6.write_inventory_to_string(inv)
1433
assert isinstance(xml, str), 'serialised xml must be bytestring.'
1434
path = self._basis_inventory_name()
1436
self._control_files.put(path, sio)
1924
1437
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1927
1440
def read_basis_inventory(self):
1928
1441
"""Read the cached basis inventory."""
1929
1442
path = self._basis_inventory_name()
1930
return self._transport.get_bytes(path)
1443
return self._control_files.get(path).read()
1932
1445
@needs_read_lock
1933
1446
def read_working_inventory(self):
1934
"""Read the working inventory.
1936
:raises errors.InventoryModified: read_working_inventory will fail
1937
when the current in memory inventory has been modified.
1939
# conceptually this should be an implementation detail of the tree.
1940
# XXX: Deprecate this.
1447
"""Read the working inventory."""
1941
1448
# ElementTree does its own conversion from UTF-8, so open in
1943
if self._inventory_is_modified:
1944
raise errors.InventoryModified(self)
1945
f = self._transport.get('inventory')
1947
result = self._deserialize(f)
1950
self._set_inventory(result, dirty=False)
1450
result = bzrlib.xml5.serializer_v5.read_inventory(
1451
self._control_files.get('inventory'))
1452
self._set_inventory(result)
1953
1455
@needs_tree_write_lock
1954
def remove(self, files, verbose=False, to_file=None, keep_files=True,
1956
"""Remove nominated files from the working inventory.
1958
:files: File paths relative to the basedir.
1959
:keep_files: If true, the files will also be kept.
1960
:force: Delete files and directories, even if they are changed and
1961
even if the directories are not empty.
1456
def remove(self, files, verbose=False, to_file=None):
1457
"""Remove nominated files from the working inventory..
1459
This does not remove their text. This does not run on XXX on what? RBC
1461
TODO: Refuse to remove modified files unless --force is given?
1463
TODO: Do something useful with directories.
1465
TODO: Should this remove the text or not? Tough call; not
1466
removing may be useful and the user can just use use rm, and
1467
is the opposite of add. Removing it is consistent with most
1468
other tools. Maybe an option.
1470
## TODO: Normalize names
1471
## TODO: Remove nested loops; better scalability
1963
1472
if isinstance(files, basestring):
1964
1473
files = [files]
1969
unknown_nested_files=set()
1971
to_file = sys.stdout
1973
def recurse_directory_to_add_files(directory):
1974
# Recurse directory and add all files
1975
# so we can check if they have changed.
1976
for parent_info, file_infos in\
1977
self.walkdirs(directory):
1978
for relpath, basename, kind, lstat, fileid, kind in file_infos:
1979
# Is it versioned or ignored?
1980
if self.path2id(relpath) or self.is_ignored(relpath):
1981
# Add nested content for deletion.
1982
new_files.add(relpath)
1984
# Files which are not versioned and not ignored
1985
# should be treated as unknown.
1986
unknown_nested_files.add((relpath, None, kind))
1988
for filename in files:
1989
# Get file name into canonical form.
1990
abspath = self.abspath(filename)
1991
filename = self.relpath(abspath)
1992
if len(filename) > 0:
1993
new_files.add(filename)
1994
recurse_directory_to_add_files(filename)
1996
files = list(new_files)
1999
return # nothing to do
2001
# Sort needed to first handle directory content before the directory
2002
files.sort(reverse=True)
2004
# Bail out if we are going to delete files we shouldn't
2005
if not keep_files and not force:
2006
has_changed_files = len(unknown_nested_files) > 0
2007
if not has_changed_files:
2008
for (file_id, path, content_change, versioned, parent_id, name,
2009
kind, executable) in self.iter_changes(self.basis_tree(),
2010
include_unchanged=True, require_versioned=False,
2011
want_unversioned=True, specific_files=files):
2012
if versioned == (False, False):
2013
# The record is unknown ...
2014
if not self.is_ignored(path[1]):
2015
# ... but not ignored
2016
has_changed_files = True
2018
elif content_change and (kind[1] is not None):
2019
# Versioned and changed, but not deleted
2020
has_changed_files = True
2023
if has_changed_files:
2024
# Make delta show ALL applicable changes in error message.
2025
tree_delta = self.changes_from(self.basis_tree(),
2026
require_versioned=False, want_unversioned=True,
2027
specific_files=files)
2028
for unknown_file in unknown_nested_files:
2029
if unknown_file not in tree_delta.unversioned:
2030
tree_delta.unversioned.extend((unknown_file,))
2031
raise errors.BzrRemoveChangedFilesError(tree_delta)
2033
# Build inv_delta and delete files where applicable,
2034
# do this before any modifications to inventory.
1475
inv = self.inventory
1477
# do this before any modifications
2035
1478
for f in files:
2036
fid = self.path2id(f)
1479
fid = inv.path2id(f)
2039
message = "%s is not versioned." % (f,)
2042
# having removed it, it must be either ignored or unknown
2043
if self.is_ignored(f):
2047
# XXX: Really should be a more abstract reporter interface
2048
kind_ch = osutils.kind_marker(self.kind(fid))
2049
to_file.write(new_status + ' ' + f + kind_ch + '\n')
2051
inv_delta.append((f, None, fid, None))
2052
message = "removed %s" % (f,)
2055
abs_path = self.abspath(f)
2056
if osutils.lexists(abs_path):
2057
if (osutils.isdir(abs_path) and
2058
len(os.listdir(abs_path)) > 0):
2060
osutils.rmtree(abs_path)
2062
message = "%s is not an empty directory "\
2063
"and won't be deleted." % (f,)
2065
osutils.delete_any(abs_path)
2066
message = "deleted %s" % (f,)
2067
elif message is not None:
2068
# Only care if we haven't done anything yet.
2069
message = "%s does not exist." % (f,)
2071
# Print only one message (if any) per file.
2072
if message is not None:
2074
self.apply_inventory_delta(inv_delta)
1481
# TODO: Perhaps make this just a warning, and continue?
1482
# This tends to happen when
1483
raise NotVersionedError(path=f)
1485
# having remove it, it must be either ignored or unknown
1486
if self.is_ignored(f):
1490
show_status(new_status, inv[fid].kind, f, to_file=to_file)
1493
self._write_inventory(inv)
2076
1495
@needs_tree_write_lock
2077
def revert(self, filenames=None, old_tree=None, backups=True,
2078
pb=None, report_changes=False):
2079
from bzrlib.conflicts import resolve
2082
symbol_versioning.warn('Using [] to revert all files is deprecated'
2083
' as of bzr 0.91. Please use None (the default) instead.',
2084
DeprecationWarning, stacklevel=2)
1496
def revert(self, filenames, old_tree=None, backups=True,
1497
pb=DummyProgress()):
1498
from transform import revert
1499
from conflicts import resolve
2085
1500
if old_tree is None:
2086
basis_tree = self.basis_tree()
2087
basis_tree.lock_read()
2088
old_tree = basis_tree
1501
old_tree = self.basis_tree()
1502
conflicts = revert(self, old_tree, filenames, backups, pb)
1503
if not len(filenames):
1504
self.set_parent_ids(self.get_parent_ids()[:1])
2092
conflicts = transform.revert(self, old_tree, filenames, backups, pb,
2094
if filenames is None and len(self.get_parent_ids()) > 1:
2096
last_revision = self.last_revision()
2097
if last_revision != _mod_revision.NULL_REVISION:
2098
if basis_tree is None:
2099
basis_tree = self.basis_tree()
2100
basis_tree.lock_read()
2101
parent_trees.append((last_revision, basis_tree))
2102
self.set_parent_trees(parent_trees)
2105
resolve(self, filenames, ignore_misses=True, recursive=True)
2107
if basis_tree is not None:
1507
resolve(self, filenames, ignore_misses=True)
2109
1508
return conflicts
2111
def revision_tree(self, revision_id):
2112
"""See Tree.revision_tree.
2114
WorkingTree can supply revision_trees for the basis revision only
2115
because there is only one cached inventory in the bzr directory.
2117
if revision_id == self.last_revision():
2119
xml = self.read_basis_inventory()
2120
except errors.NoSuchFile:
2124
inv = xml7.serializer_v7.read_inventory_from_string(xml)
2125
# dont use the repository revision_tree api because we want
2126
# to supply the inventory.
2127
if inv.revision_id == revision_id:
2128
return revisiontree.RevisionTree(self.branch.repository,
2130
except errors.BadInventoryFormat:
2132
# raise if there was no inventory, or if we read the wrong inventory.
2133
raise errors.NoSuchRevisionInTree(self, revision_id)
2135
1510
# XXX: This method should be deprecated in favour of taking in a proper
2136
1511
# new Inventory object.
2137
1512
@needs_tree_write_lock
2138
1513
def set_inventory(self, new_inventory_list):
2139
1514
from bzrlib.inventory import (Inventory,
2140
1515
InventoryDirectory,
2143
1519
inv = Inventory(self.get_root_id())
2153
1529
elif kind == 'symlink':
2154
1530
inv.add(InventoryLink(file_id, name, parent))
2156
raise errors.BzrError("unknown kind %r" % kind)
1532
raise BzrError("unknown kind %r" % kind)
2157
1533
self._write_inventory(inv)
2159
1535
@needs_tree_write_lock
2160
1536
def set_root_id(self, file_id):
2161
1537
"""Set the root id for this tree."""
2165
'WorkingTree.set_root_id with fileid=None')
2166
file_id = osutils.safe_file_id(file_id)
2167
self._set_root_id(file_id)
2169
def _set_root_id(self, file_id):
2170
"""Set the root id for this tree, in a format specific manner.
2172
:param file_id: The file id to assign to the root. It must not be
2173
present in the current inventory or an error will occur. It must
2174
not be None, but rather a valid file id.
2176
inv = self._inventory
1538
inv = self.read_working_inventory()
2177
1539
orig_root_id = inv.root.file_id
2178
# TODO: it might be nice to exit early if there was nothing
2179
# to do, saving us from trigger a sync on unlock.
2180
self._inventory_is_modified = True
2181
# we preserve the root inventory entry object, but
2182
# unlinkit from the byid index
2183
1540
del inv._byid[inv.root.file_id]
2184
1541
inv.root.file_id = file_id
2185
# and link it into the index with the new changed id.
2186
1542
inv._byid[inv.root.file_id] = inv.root
2187
# and finally update all children to reference the new id.
2188
# XXX: this should be safe to just look at the root.children
2189
# list, not the WHOLE INVENTORY.
2190
1543
for fid in inv:
2191
1544
entry = inv[fid]
2192
1545
if entry.parent_id == orig_root_id:
2193
1546
entry.parent_id = inv.root.file_id
1547
self._write_inventory(inv)
2195
1549
def unlock(self):
2196
1550
"""See Branch.unlock.
2198
1552
WorkingTree locking just uses the Branch locking facilities.
2199
1553
This is current because all working trees have an embedded branch
2200
1554
within them. IF in the future, we were to make branch data shareable
2201
between multiple working trees, i.e. via shared storage, then we
1555
between multiple working trees, i.e. via shared storage, then we
2202
1556
would probably want to lock both the local tree, and the branch.
2204
1558
raise NotImplementedError(self.unlock)
2208
def update(self, change_reporter=None, possible_transports=None,
2209
revision=None, old_tip=_marker):
2210
1562
"""Update a working tree along its branch.
2212
This will update the branch if its bound too, which means we have
2213
multiple trees involved:
2215
- The new basis tree of the master.
2216
- The old basis tree of the branch.
2217
- The old basis tree of the working tree.
2218
- The current working tree state.
2220
Pathologically, all three may be different, and non-ancestors of each
2221
other. Conceptually we want to:
2223
- Preserve the wt.basis->wt.state changes
2224
- Transform the wt.basis to the new master basis.
2225
- Apply a merge of the old branch basis to get any 'local' changes from
2227
- Restore the wt.basis->wt.state changes.
1564
This will update the branch if its bound too, which means we have multiple trees involved:
1565
The new basis tree of the master.
1566
The old basis tree of the branch.
1567
The old basis tree of the working tree.
1568
The current working tree state.
1569
pathologically all three may be different, and non ancestors of each other.
1570
Conceptually we want to:
1571
Preserve the wt.basis->wt.state changes
1572
Transform the wt.basis to the new master basis.
1573
Apply a merge of the old branch basis to get any 'local' changes from it into the tree.
1574
Restore the wt.basis->wt.state changes.
2229
1576
There isn't a single operation at the moment to do that, so we:
2230
- Merge current state -> basis tree of the master w.r.t. the old tree
2232
- Do a 'normal' merge of the old branch basis if it is relevant.
2234
:param revision: The target revision to update to. Must be in the
2236
:param old_tip: If branch.update() has already been run, the value it
2237
returned (old tip of the branch or None). _marker is used
2240
if self.branch.get_bound_location() is not None:
2242
update_branch = (old_tip is self._marker)
2244
self.lock_tree_write()
2245
update_branch = False
2248
old_tip = self.branch.update(possible_transports)
2250
if old_tip is self._marker:
2252
return self._update_tree(old_tip, change_reporter, revision)
2256
@needs_tree_write_lock
2257
def _update_tree(self, old_tip=None, change_reporter=None, revision=None):
2258
"""Update a tree to the master branch.
2260
:param old_tip: if supplied, the previous tip revision the branch,
2261
before it was changed to the master branch's tip.
1577
Merge current state -> basis tree of the master w.r.t. the old tree basis.
1578
Do a 'normal' merge of the old branch basis if it is relevant.
1580
old_tip = self.branch.update()
2263
1581
# here if old_tip is not None, it is the old tip of the branch before
2264
1582
# it was updated from the master branch. This should become a pending
2265
1583
# merge in the working tree to preserve the user existing work. we
2266
1584
# cant set that until we update the working trees last revision to be
2267
1585
# one from the new branch, because it will just get absorbed by the
2268
1586
# parent de-duplication logic.
2270
1588
# We MUST save it even if an error occurs, because otherwise the users
2271
1589
# local work is unreferenced and will appear to have been lost.
2275
1593
last_rev = self.get_parent_ids()[0]
2276
1594
except IndexError:
2277
last_rev = _mod_revision.NULL_REVISION
2278
if revision is None:
2279
revision = self.branch.last_revision()
2281
old_tip = old_tip or _mod_revision.NULL_REVISION
2283
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2284
# the branch we are bound to was updated
2285
# merge those changes in first
2286
base_tree = self.basis_tree()
2287
other_tree = self.branch.repository.revision_tree(old_tip)
2288
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2289
base_tree, this_tree=self,
2290
change_reporter=change_reporter)
2292
self.add_parent_tree((old_tip, other_tree))
2293
trace.note('Rerun update after fixing the conflicts.')
2296
if last_rev != _mod_revision.ensure_null(revision):
2297
# the working tree is up to date with the branch
2298
# we can merge the specified revision from master
2299
to_tree = self.branch.repository.revision_tree(revision)
2300
to_root_id = to_tree.get_root_id()
1596
if last_rev != self.branch.last_revision():
1597
# merge tree state up to new branch tip.
2302
1598
basis = self.basis_tree()
2305
if (basis.inventory.root is None
2306
or basis.inventory.root.file_id != to_root_id):
2307
self.set_root_id(to_root_id)
2312
# determine the branch point
2313
graph = self.branch.repository.get_graph()
2314
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2316
base_tree = self.branch.repository.revision_tree(base_rev_id)
2318
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2320
change_reporter=change_reporter)
2321
self.set_last_revision(revision)
1599
to_tree = self.branch.basis_tree()
1600
result += merge_inner(self.branch,
2322
1604
# TODO - dedup parents list with things merged by pull ?
2323
1605
# reuse the tree we've updated to to set the basis:
2324
parent_trees = [(revision, to_tree)]
1606
parent_trees = [(self.branch.last_revision(), to_tree)]
2325
1607
merges = self.get_parent_ids()[1:]
2326
1608
# Ideally we ask the tree for the trees here, that way the working
2327
# tree can decide whether to give us the entire tree or give us a
1609
# tree can decide whether to give us teh entire tree or give us a
2328
1610
# lazy initialised tree. dirstate for instance will have the trees
2329
1611
# in ram already, whereas a last-revision + basis-inventory tree
2330
1612
# will not, but also does not need them when setting parents.
2331
1613
for parent in merges:
2332
1614
parent_trees.append(
2333
1615
(parent, self.branch.repository.revision_tree(parent)))
2334
if not _mod_revision.is_null(old_tip):
1616
if old_tip is not None:
2335
1617
parent_trees.append(
2336
1618
(old_tip, self.branch.repository.revision_tree(old_tip)))
2337
1619
self.set_parent_trees(parent_trees)
2338
1620
last_rev = parent_trees[0][0]
2341
def _write_hashcache_if_dirty(self):
2342
"""Write out the hashcache if it is dirty."""
2343
if self._hashcache.needs_write:
1622
# the working tree had the same last-revision as the master
1623
# branch did. We may still have pivot local work from the local
1624
# branch into old_tip:
1625
if old_tip is not None:
1626
self.add_parent_tree_id(old_tip)
1627
if old_tip and old_tip != last_rev:
1628
# our last revision was not the prior branch last revision
1629
# and we have converted that last revision to a pending merge.
1630
# base is somewhere between the branch tip now
1631
# and the now pending merge
1632
from bzrlib.revision import common_ancestor
2345
self._hashcache.write()
2347
if e.errno not in (errno.EPERM, errno.EACCES):
2349
# TODO: jam 20061219 Should this be a warning? A single line
2350
# warning might be sufficient to let the user know what
2352
mutter('Could not write hashcache for %s\nError: %s',
2353
self._hashcache.cache_file_name(), e)
1634
base_rev_id = common_ancestor(self.branch.last_revision(),
1636
self.branch.repository)
1637
except errors.NoCommonAncestor:
1639
base_tree = self.branch.repository.revision_tree(base_rev_id)
1640
other_tree = self.branch.repository.revision_tree(old_tip)
1641
result += merge_inner(self.branch,
2355
1647
@needs_tree_write_lock
2356
1648
def _write_inventory(self, inv):
2357
1649
"""Write inventory as the current inventory."""
2358
self._set_inventory(inv, dirty=True)
1651
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
1653
self._control_files.put('inventory', sio)
1654
self._set_inventory(inv)
1655
mutter('wrote working inventory')
2361
1657
def set_conflicts(self, arg):
2362
raise errors.UnsupportedOperation(self.set_conflicts, self)
1658
raise UnsupportedOperation(self.set_conflicts, self)
2364
1660
def add_conflicts(self, arg):
2365
raise errors.UnsupportedOperation(self.add_conflicts, self)
1661
raise UnsupportedOperation(self.add_conflicts, self)
2367
1663
@needs_read_lock
2368
1664
def conflicts(self):
2369
conflicts = _mod_conflicts.ConflictList()
1665
conflicts = ConflictList()
2370
1666
for conflicted in self._iter_conflicts():
2385
1681
if text == False:
2387
1683
ctype = {True: 'text conflict', False: 'contents conflict'}[text]
2388
conflicts.append(_mod_conflicts.Conflict.factory(ctype,
1684
conflicts.append(Conflict.factory(ctype, path=conflicted,
2390
1685
file_id=self.path2id(conflicted)))
2391
1686
return conflicts
2393
def walkdirs(self, prefix=""):
2394
"""Walk the directories of this tree.
2396
returns a generator which yields items in the form:
2397
((curren_directory_path, fileid),
2398
[(file1_path, file1_name, file1_kind, (lstat), file1_id,
2401
This API returns a generator, which is only valid during the current
2402
tree transaction - within a single lock_read or lock_write duration.
2404
If the tree is not locked, it may cause an error to be raised,
2405
depending on the tree implementation.
2407
disk_top = self.abspath(prefix)
2408
if disk_top.endswith('/'):
2409
disk_top = disk_top[:-1]
2410
top_strip_len = len(disk_top) + 1
2411
inventory_iterator = self._walkdirs(prefix)
2412
disk_iterator = osutils.walkdirs(disk_top, prefix)
2414
current_disk = disk_iterator.next()
2415
disk_finished = False
2417
if not (e.errno == errno.ENOENT or
2418
(sys.platform == 'win32' and e.errno == ERROR_PATH_NOT_FOUND)):
2421
disk_finished = True
2423
current_inv = inventory_iterator.next()
2424
inv_finished = False
2425
except StopIteration:
2428
while not inv_finished or not disk_finished:
2430
((cur_disk_dir_relpath, cur_disk_dir_path_from_top),
2431
cur_disk_dir_content) = current_disk
2433
((cur_disk_dir_relpath, cur_disk_dir_path_from_top),
2434
cur_disk_dir_content) = ((None, None), None)
2435
if not disk_finished:
2436
# strip out .bzr dirs
2437
if (cur_disk_dir_path_from_top[top_strip_len:] == '' and
2438
len(cur_disk_dir_content) > 0):
2439
# osutils.walkdirs can be made nicer -
2440
# yield the path-from-prefix rather than the pathjoined
2442
bzrdir_loc = bisect_left(cur_disk_dir_content,
2444
if (bzrdir_loc < len(cur_disk_dir_content)
2445
and self.bzrdir.is_control_filename(
2446
cur_disk_dir_content[bzrdir_loc][0])):
2447
# we dont yield the contents of, or, .bzr itself.
2448
del cur_disk_dir_content[bzrdir_loc]
2450
# everything is unknown
2453
# everything is missing
2456
direction = cmp(current_inv[0][0], cur_disk_dir_relpath)
2458
# disk is before inventory - unknown
2459
dirblock = [(relpath, basename, kind, stat, None, None) for
2460
relpath, basename, kind, stat, top_path in
2461
cur_disk_dir_content]
2462
yield (cur_disk_dir_relpath, None), dirblock
2464
current_disk = disk_iterator.next()
2465
except StopIteration:
2466
disk_finished = True
2468
# inventory is before disk - missing.
2469
dirblock = [(relpath, basename, 'unknown', None, fileid, kind)
2470
for relpath, basename, dkind, stat, fileid, kind in
2472
yield (current_inv[0][0], current_inv[0][1]), dirblock
2474
current_inv = inventory_iterator.next()
2475
except StopIteration:
2478
# versioned present directory
2479
# merge the inventory and disk data together
2481
for relpath, subiterator in itertools.groupby(sorted(
2482
current_inv[1] + cur_disk_dir_content,
2483
key=operator.itemgetter(0)), operator.itemgetter(1)):
2484
path_elements = list(subiterator)
2485
if len(path_elements) == 2:
2486
inv_row, disk_row = path_elements
2487
# versioned, present file
2488
dirblock.append((inv_row[0],
2489
inv_row[1], disk_row[2],
2490
disk_row[3], inv_row[4],
2492
elif len(path_elements[0]) == 5:
2494
dirblock.append((path_elements[0][0],
2495
path_elements[0][1], path_elements[0][2],
2496
path_elements[0][3], None, None))
2497
elif len(path_elements[0]) == 6:
2498
# versioned, absent file.
2499
dirblock.append((path_elements[0][0],
2500
path_elements[0][1], 'unknown', None,
2501
path_elements[0][4], path_elements[0][5]))
2503
raise NotImplementedError('unreachable code')
2504
yield current_inv[0], dirblock
2506
current_inv = inventory_iterator.next()
2507
except StopIteration:
2510
current_disk = disk_iterator.next()
2511
except StopIteration:
2512
disk_finished = True
2514
def _walkdirs(self, prefix=""):
2515
"""Walk the directories of this tree.
2517
:prefix: is used as the directrory to start with.
2518
returns a generator which yields items in the form:
2519
((curren_directory_path, fileid),
2520
[(file1_path, file1_name, file1_kind, None, file1_id,
2523
_directory = 'directory'
2524
# get the root in the inventory
2525
inv = self.inventory
2526
top_id = inv.path2id(prefix)
2530
pending = [(prefix, '', _directory, None, top_id, None)]
2533
currentdir = pending.pop()
2534
# 0 - relpath, 1- basename, 2- kind, 3- stat, 4-id, 5-kind
2535
top_id = currentdir[4]
2537
relroot = currentdir[0] + '/'
2540
# FIXME: stash the node in pending
2542
if entry.kind == 'directory':
2543
for name, child in entry.sorted_children():
2544
dirblock.append((relroot + name, name, child.kind, None,
2545
child.file_id, child.kind
2547
yield (currentdir[0], entry.file_id), dirblock
2548
# push the user specified dirs from dirblock
2549
for dir in reversed(dirblock):
2550
if dir[2] == _directory:
2553
@needs_tree_write_lock
2554
def auto_resolve(self):
2555
"""Automatically resolve text conflicts according to contents.
2557
Only text conflicts are auto_resolvable. Files with no conflict markers
2558
are considered 'resolved', because bzr always puts conflict markers
2559
into files that have text conflicts. The corresponding .THIS .BASE and
2560
.OTHER files are deleted, as per 'resolve'.
2561
:return: a tuple of ConflictLists: (un_resolved, resolved).
2563
un_resolved = _mod_conflicts.ConflictList()
2564
resolved = _mod_conflicts.ConflictList()
2565
conflict_re = re.compile('^(<{7}|={7}|>{7})')
2566
for conflict in self.conflicts():
2567
if (conflict.typestring != 'text conflict' or
2568
self.kind(conflict.file_id) != 'file'):
2569
un_resolved.append(conflict)
2571
my_file = open(self.id2abspath(conflict.file_id), 'rb')
2573
for line in my_file:
2574
if conflict_re.search(line):
2575
un_resolved.append(conflict)
2578
resolved.append(conflict)
2581
resolved.remove_files(self)
2582
self.set_conflicts(un_resolved)
2583
return un_resolved, resolved
2586
def _check(self, references):
2587
"""Check the tree for consistency.
2589
:param references: A dict with keys matching the items returned by
2590
self._get_check_refs(), and values from looking those keys up in
2593
tree_basis = self.basis_tree()
2594
tree_basis.lock_read()
2596
repo_basis = references[('trees', self.last_revision())]
2597
if len(list(repo_basis.iter_changes(tree_basis))) > 0:
2598
raise errors.BzrCheckError(
2599
"Mismatched basis inventory content.")
2604
def _validate(self):
2605
"""Validate internal structures.
2607
This is meant mostly for the test suite. To give it a chance to detect
2608
corruption after actions have occurred. The default implementation is a
2611
:return: None. An exception should be raised if there is an error.
2615
def _get_rules_searcher(self, default_searcher):
2616
"""See Tree._get_rules_searcher."""
2617
if self._rules_searcher is None:
2618
self._rules_searcher = super(WorkingTree,
2619
self)._get_rules_searcher(default_searcher)
2620
return self._rules_searcher
2622
def get_shelf_manager(self):
2623
"""Return the ShelfManager for this WorkingTree."""
2624
from bzrlib.shelf import ShelfManager
2625
return ShelfManager(self, self._transport)
2628
1689
class WorkingTree2(WorkingTree):
2629
1690
"""This is the Format 2 working tree.
2631
This was the first weave based working tree.
1692
This was the first weave based working tree.
2632
1693
- uses os locks for locking.
2633
1694
- uses the branch last-revision.
2636
def __init__(self, *args, **kwargs):
2637
super(WorkingTree2, self).__init__(*args, **kwargs)
2638
# WorkingTree2 has more of a constraint that self._inventory must
2639
# exist. Because this is an older format, we don't mind the overhead
2640
# caused by the extra computation here.
2642
# Newer WorkingTree's should only have self._inventory set when they
2644
if self._inventory is None:
2645
self.read_working_inventory()
2647
def _get_check_refs(self):
2648
"""Return the references needed to perform a check of this tree."""
2649
return [('trees', self.last_revision())]
2651
1697
def lock_tree_write(self):
2652
1698
"""See WorkingTree.lock_tree_write().
2654
1700
In Format2 WorkingTrees we have a single lock for the branch and tree
2655
1701
so lock_tree_write() degrades to lock_write().
2657
:return: An object with an unlock method which will release the lock
2660
1703
self.branch.lock_write()
2662
self._control_files.lock_write()
1705
return self._control_files.lock_write()
2665
1707
self.branch.unlock()
2668
1710
def unlock(self):
2669
# do non-implementation specific cleanup
2672
1711
# we share control files:
2673
if self._control_files._lock_count == 3:
2674
# _inventory_is_modified is always False during a read lock.
2675
if self._inventory_is_modified:
2677
self._write_hashcache_if_dirty()
1712
if self._hashcache.needs_write and self._control_files._lock_count==3:
1713
self._hashcache.write()
2679
1714
# reverse order of locking.
2681
1716
return self._control_files.unlock()
2856
1874
def unregister_format(klass, format):
1875
assert klass._formats[format.get_format_string()] is format
2857
1876
del klass._formats[format.get_format_string()]
2860
1880
class WorkingTreeFormat2(WorkingTreeFormat):
2861
"""The second working tree format.
1881
"""The second working tree format.
2863
1883
This format modified the hash cache from the format 1 hash cache.
2866
upgrade_recommended = True
2868
1886
def get_format_description(self):
2869
1887
"""See WorkingTreeFormat.get_format_description()."""
2870
1888
return "Working tree format 2"
2872
def _stub_initialize_on_transport(self, transport, file_mode):
2873
"""Workaround: create control files for a remote working tree.
1890
def stub_initialize_remote(self, control_files):
1891
"""As a special workaround create critical control files for a remote working tree
2875
1893
This ensures that it can later be updated and dealt with locally,
2876
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
1894
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2877
1895
no working tree. (See bug #43064).
2879
1897
sio = StringIO()
2880
inv = inventory.Inventory()
2881
xml5.serializer_v5.write_inventory(inv, sio, working=True)
1899
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
2883
transport.put_file('inventory', sio, file_mode)
2884
transport.put_bytes('pending-merges', '', file_mode)
2886
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2887
accelerator_tree=None, hardlink=False):
1901
control_files.put('inventory', sio)
1903
control_files.put_utf8('pending-merges', '')
1906
def initialize(self, a_bzrdir, revision_id=None):
2888
1907
"""See WorkingTreeFormat.initialize()."""
2889
1908
if not isinstance(a_bzrdir.transport, LocalTransport):
2890
1909
raise errors.NotLocalUrl(a_bzrdir.transport.base)
2891
if from_branch is not None:
2892
branch = from_branch
2894
branch = a_bzrdir.open_branch()
2895
if revision_id is None:
2896
revision_id = _mod_revision.ensure_null(branch.last_revision())
2899
branch.generate_revision_history(revision_id)
2902
inv = inventory.Inventory()
1910
branch = a_bzrdir.open_branch()
1911
if revision_id is not None:
1914
revision_history = branch.revision_history()
1916
position = revision_history.index(revision_id)
1918
raise errors.NoSuchRevision(branch, revision_id)
1919
branch.set_revision_history(revision_history[:position + 1])
1922
revision = branch.last_revision()
2903
1924
wt = WorkingTree2(a_bzrdir.root_transport.local_abspath('.'),
2906
1927
_internal=True,
2908
1929
_bzrdir=a_bzrdir)
2909
basis_tree = branch.repository.revision_tree(revision_id)
2910
if basis_tree.inventory.root is not None:
2911
wt.set_root_id(basis_tree.get_root_id())
2912
# set the parent list and cache the basis tree.
2913
if _mod_revision.is_null(revision_id):
2916
parent_trees = [(revision_id, basis_tree)]
2917
wt.set_parent_trees(parent_trees)
2918
transform.build_tree(basis_tree, wt)
1930
wt._write_inventory(inv)
1931
wt.set_root_id(inv.root.file_id)
1932
basis_tree = branch.repository.revision_tree(revision)
1933
wt.set_parent_trees([(revision, basis_tree)])
1934
build_tree(basis_tree, wt)
2921
1937
def __init__(self):
3051
2037
raise NotImplementedError
3052
2038
if not isinstance(a_bzrdir.transport, LocalTransport):
3053
2039
raise errors.NotLocalUrl(a_bzrdir.transport.base)
3054
wt = self._open(a_bzrdir, self._open_control_files(a_bzrdir))
2040
return self._open(a_bzrdir, self._open_control_files(a_bzrdir))
3057
2042
def _open(self, a_bzrdir, control_files):
3058
2043
"""Open the tree itself.
3060
2045
:param a_bzrdir: the dir for the tree.
3061
2046
:param control_files: the control files for the tree.
3063
return self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
3067
_control_files=control_files)
2048
return WorkingTree3(a_bzrdir.root_transport.local_abspath('.'),
2052
_control_files=control_files)
3069
2054
def __str__(self):
3070
2055
return self.get_format_string()
3073
__default_format = WorkingTreeFormat6()
2058
# formats which have no format string are not discoverable
2059
# and not independently creatable, so are not registered.
2060
__default_format = WorkingTreeFormat3()
3074
2061
WorkingTreeFormat.register_format(__default_format)
3075
WorkingTreeFormat.register_format(WorkingTreeFormat5())
3076
WorkingTreeFormat.register_format(WorkingTreeFormat4())
3077
WorkingTreeFormat.register_format(WorkingTreeFormat3())
3078
2062
WorkingTreeFormat.set_default_format(__default_format)
3079
# formats which have no format string are not discoverable
3080
# and not independently creatable, so are not registered.
3081
2063
_legacy_formats = [WorkingTreeFormat2(),
2067
class WorkingTreeTestProviderAdapter(object):
2068
"""A tool to generate a suite testing multiple workingtree formats at once.
2070
This is done by copying the test once for each transport and injecting
2071
the transport_server, transport_readonly_server, and workingtree_format
2072
classes into each copy. Each copy is also given a new id() to make it
2076
def __init__(self, transport_server, transport_readonly_server, formats):
2077
self._transport_server = transport_server
2078
self._transport_readonly_server = transport_readonly_server
2079
self._formats = formats
2081
def _clone_test(self, test, bzrdir_format, workingtree_format, variation):
2082
"""Clone test for adaption."""
2083
new_test = deepcopy(test)
2084
new_test.transport_server = self._transport_server
2085
new_test.transport_readonly_server = self._transport_readonly_server
2086
new_test.bzrdir_format = bzrdir_format
2087
new_test.workingtree_format = workingtree_format
2088
def make_new_test_id():
2089
new_id = "%s(%s)" % (test.id(), variation)
2090
return lambda: new_id
2091
new_test.id = make_new_test_id()
2094
def adapt(self, test):
2095
from bzrlib.tests import TestSuite
2096
result = TestSuite()
2097
for workingtree_format, bzrdir_format in self._formats:
2098
new_test = self._clone_test(
2101
workingtree_format, workingtree_format.__class__.__name__)
2102
result.addTest(new_test)
added
removed
bzrlib/workingtree.py
