14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
from __future__ import absolute_import
19
21
from stat import S_ISREG, S_IEXEC
22
from bzrlib.lazy_import import lazy_import
23
lazy_import(globals(), """
25
config as _mod_config,
32
lazy_import.lazy_import(globals(), """
33
43
revision as _mod_revision,
47
from breezy.bzr import (
51
from breezy.i18n import gettext
37
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
38
ReusingTransform, CantMoveRoot,
39
ExistingLimbo, ImmortalLimbo, NoFinalPath,
41
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
42
from bzrlib.inventory import InventoryEntry
43
from bzrlib.osutils import (
53
from .errors import (DuplicateKey, MalformedTransform,
54
ReusingTransform, CantMoveRoot,
55
ImmortalLimbo, NoFinalPath)
56
from .filters import filtered_output_bytes, ContentFilterContext
57
from .mutabletree import MutableTree
58
from .osutils import (
53
from bzrlib.progress import ProgressPhase
54
from bzrlib.symbol_versioning import (
58
from bzrlib.trace import mutter, warning
59
from bzrlib import tree
61
import bzrlib.urlutils as urlutils
66
from .progress import ProgressPhase
64
78
ROOT_PARENT = "root-parent"
380
392
return sorted(FinalPaths(self).get_paths(new_ids))
382
394
def _inventory_altered(self):
383
"""Get the trans_ids and paths of files needing new inv entries."""
385
for id_set in [self._new_name, self._new_parent, self._new_id,
395
"""Determine which trans_ids need new Inventory entries.
397
An new entry is needed when anything that would be reflected by an
398
inventory entry changes, including file name, file_id, parent file_id,
399
file kind, and the execute bit.
401
Some care is taken to return entries with real changes, not cases
402
where the value is deleted and then restored to its original value,
403
but some actually unchanged values may be returned.
405
:returns: A list of (path, trans_id) for all items requiring an
406
inventory change. Ordered by path.
409
# Find entries whose file_ids are new (or changed).
410
new_file_id = set(t for t in self._new_id
411
if self._new_id[t] != self.tree_file_id(t))
412
for id_set in [self._new_name, self._new_parent, new_file_id,
386
413
self._new_executability]:
387
new_ids.update(id_set)
414
changed_ids.update(id_set)
415
# removing implies a kind change
388
416
changed_kind = set(self._removed_contents)
389
418
changed_kind.intersection_update(self._new_contents)
390
changed_kind.difference_update(new_ids)
391
changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
393
new_ids.update(changed_kind)
394
return sorted(FinalPaths(self).get_paths(new_ids))
419
# Ignore entries that are already known to have changed.
420
changed_kind.difference_update(changed_ids)
421
# to keep only the truly changed ones
422
changed_kind = (t for t in changed_kind
423
if self.tree_kind(t) != self.final_kind(t))
424
# all kind changes will alter the inventory
425
changed_ids.update(changed_kind)
426
# To find entries with changed parent_ids, find parents which existed,
427
# but changed file_id.
428
# Now add all their children to the set.
429
for parent_trans_id in new_file_id:
430
changed_ids.update(self.iter_tree_children(parent_trans_id))
431
return sorted(FinalPaths(self).get_paths(changed_ids))
396
433
def final_kind(self, trans_id):
397
434
"""Determine the final file kind, after any changes applied.
399
Raises NoSuchFile if the file does not exist/has no contents.
400
(It is conceivable that a path would be created without the
401
corresponding contents insertion command)
436
:return: None if the file does not exist/has no contents. (It is
437
conceivable that a path would be created without the corresponding
438
contents insertion command)
403
440
if trans_id in self._new_contents:
404
441
return self._new_contents[trans_id]
405
442
elif trans_id in self._removed_contents:
406
raise NoSuchFile(None)
408
445
return self.tree_kind(trans_id)
447
def tree_path(self, trans_id):
448
"""Determine the tree path associated with the trans_id."""
449
return self._tree_id_paths.get(trans_id)
410
451
def tree_file_id(self, trans_id):
411
452
"""Determine the file id associated with the trans_id in the tree"""
413
path = self._tree_id_paths[trans_id]
415
# the file is a new, unversioned file, or invalid trans_id
453
path = self.tree_path(trans_id)
417
456
# the file is old; the old id is still valid
418
457
if self._new_root == trans_id:
531
570
# ensure that all children are registered with the transaction
532
571
list(self.iter_tree_children(parent_id))
534
def has_named_child(self, by_parent, parent_id, name):
536
children = by_parent[parent_id]
539
for child in children:
573
def _has_named_child(self, name, parent_id, known_children):
574
"""Does a parent already have a name child.
576
:param name: The searched for name.
578
:param parent_id: The parent for which the check is made.
580
:param known_children: The already known children. This should have
581
been recently obtained from `self.by_parent.get(parent_id)`
582
(or will be if None is passed).
584
if known_children is None:
585
known_children = self.by_parent().get(parent_id, [])
586
for child in known_children:
540
587
if self.final_name(child) == name:
543
path = self._tree_id_paths[parent_id]
589
parent_path = self._tree_id_paths.get(parent_id, None)
590
if parent_path is None:
591
# No parent... no children
546
childpath = joinpath(path, name)
547
child_id = self._tree_path_ids.get(childpath)
593
child_path = joinpath(parent_path, name)
594
child_id = self._tree_path_ids.get(child_path, None)
548
595
if child_id is None:
549
return lexists(self._tree.abspath(childpath))
596
# Not known by the tree transform yet, check the filesystem
597
return osutils.lexists(self._tree.abspath(child_path))
551
if self.final_parent(child_id) != parent_id:
553
if child_id in self._removed_contents:
554
# XXX What about dangling file-ids?
599
raise AssertionError('child_id is missing: %s, %s, %s'
600
% (name, parent_id, child_id))
602
def _available_backup_name(self, name, target_id):
603
"""Find an available backup name.
605
:param name: The basename of the file.
607
:param target_id: The directory trans_id where the backup should
610
known_children = self.by_parent().get(target_id, [])
611
return osutils.available_backup_name(
613
lambda base: self._has_named_child(
614
base, target_id, known_children))
559
616
def _parent_loops(self):
560
617
"""No entry should be its own ancestor"""
668
723
def _duplicate_ids(self):
669
724
"""Each inventory id may only be used once"""
727
all_ids = self._tree.all_file_ids()
728
except errors.UnsupportedOperation:
729
# it's okay for non-file-id trees to raise UnsupportedOperation.
671
731
removed_tree_ids = set((self.tree_file_id(trans_id) for trans_id in
672
732
self._removed_id))
673
all_ids = self._tree.all_file_ids()
674
733
active_tree_ids = all_ids.difference(removed_tree_ids)
675
for trans_id, file_id in self._new_id.iteritems():
734
for trans_id, file_id in viewitems(self._new_id):
676
735
if file_id in active_tree_ids:
677
old_trans_id = self.trans_id_tree_file_id(file_id)
736
path = self._tree.id2path(file_id)
737
old_trans_id = self.trans_id_tree_path(path)
678
738
conflicts.append(('duplicate id', old_trans_id, trans_id))
681
741
def _parent_type_conflicts(self, by_parent):
682
"""parents must have directory 'contents'."""
742
"""Children must have a directory parent"""
684
for parent_id, children in by_parent.iteritems():
685
if parent_id is ROOT_PARENT:
687
if not self._any_contents(children):
689
for child in children:
691
self.final_kind(child)
695
kind = self.final_kind(parent_id)
744
for parent_id, children in viewitems(by_parent):
745
if parent_id == ROOT_PARENT:
748
for child_id in children:
749
if self.final_kind(child_id) is not None:
754
# There is at least a child, so we need an existing directory to
756
kind = self.final_kind(parent_id)
758
# The directory will be deleted
699
759
conflicts.append(('missing parent', parent_id))
700
760
elif kind != "directory":
761
# Meh, we need a *directory* to put something in it
701
762
conflicts.append(('non-directory parent', parent_id))
704
def _any_contents(self, trans_ids):
705
"""Return true if any of the trans_ids, will have contents."""
706
for trans_id in trans_ids:
708
kind = self.final_kind(trans_id)
714
765
def _set_executability(self, path, trans_id):
715
766
"""Set the executability of versioned files """
716
if supports_executable():
767
if self._tree._supports_executable():
717
768
new_executability = self._new_executability[trans_id]
718
769
abspath = self._tree.abspath(path)
719
770
current_mode = os.stat(abspath).st_mode
720
771
if new_executability:
721
772
umask = os.umask(0)
723
to_mode = current_mode | (0100 & ~umask)
774
to_mode = current_mode | (0o100 & ~umask)
724
775
# Enable x-bit for others only if they can read it.
725
if current_mode & 0004:
726
to_mode |= 0001 & ~umask
727
if current_mode & 0040:
728
to_mode |= 0010 & ~umask
776
if current_mode & 0o004:
777
to_mode |= 0o001 & ~umask
778
if current_mode & 0o040:
779
to_mode |= 0o010 & ~umask
730
to_mode = current_mode & ~0111
731
os.chmod(abspath, to_mode)
781
to_mode = current_mode & ~0o111
782
osutils.chmod_if_possible(abspath, to_mode)
733
784
def _new_entry(self, name, parent_id, file_id):
734
785
"""Helper function to create a new filesystem entry."""
780
831
self.create_symlink(target, trans_id)
834
def new_orphan(self, trans_id, parent_id):
835
"""Schedule an item to be orphaned.
837
When a directory is about to be removed, its children, if they are not
838
versioned are moved out of the way: they don't have a parent anymore.
840
:param trans_id: The trans_id of the existing item.
841
:param parent_id: The parent trans_id of the item.
843
raise NotImplementedError(self.new_orphan)
845
def _get_potential_orphans(self, dir_id):
846
"""Find the potential orphans in a directory.
848
A directory can't be safely deleted if there are versioned files in it.
849
If all the contained files are unversioned then they can be orphaned.
851
The 'None' return value means that the directory contains at least one
852
versioned file and should not be deleted.
854
:param dir_id: The directory trans id.
856
:return: A list of the orphan trans ids or None if at least one
857
versioned file is present.
860
# Find the potential orphans, stop if one item should be kept
861
for child_tid in self.by_parent()[dir_id]:
862
if child_tid in self._removed_contents:
863
# The child is removed as part of the transform. Since it was
864
# versioned before, it's not an orphan
866
elif self.final_file_id(child_tid) is None:
867
# The child is not versioned
868
orphans.append(child_tid)
870
# We have a versioned file here, searching for orphans is
783
876
def _affected_ids(self):
784
877
"""Return the set of transform ids affected by the transform"""
785
878
trans_ids = set(self._removed_id)
786
trans_ids.update(self._new_id.keys())
879
trans_ids.update(self._new_id)
787
880
trans_ids.update(self._removed_contents)
788
trans_ids.update(self._new_contents.keys())
789
trans_ids.update(self._new_executability.keys())
790
trans_ids.update(self._new_name.keys())
791
trans_ids.update(self._new_parent.keys())
881
trans_ids.update(self._new_contents)
882
trans_ids.update(self._new_executability)
883
trans_ids.update(self._new_name)
884
trans_ids.update(self._new_parent)
794
887
def _get_file_id_maps(self):
903
988
to_path = final_paths.get_path(to_trans_id)
990
from_name, from_parent, from_kind, from_executable = \
991
self._from_file_data(from_trans_id, from_versioned, from_path)
993
to_name, to_parent, to_kind, to_executable = \
994
self._to_file_data(to_trans_id, from_trans_id, from_executable)
904
996
if from_kind != to_kind:
906
998
elif to_kind in ('file', 'symlink') and (
907
to_trans_id != from_trans_id or
908
to_trans_id in self._new_contents):
999
to_trans_id != from_trans_id
1000
or to_trans_id in self._new_contents):
910
if (not modified and from_versioned == to_versioned and
911
from_parent==to_parent and from_name == to_name and
912
from_executable == to_executable):
1002
if (not modified and from_versioned == to_versioned
1003
and from_parent == to_parent and from_name == to_name
1004
and from_executable == to_executable):
914
results.append((file_id, (from_path, to_path), modified,
915
(from_versioned, to_versioned),
916
(from_parent, to_parent),
917
(from_name, to_name),
918
(from_kind, to_kind),
919
(from_executable, to_executable)))
920
return iter(sorted(results, key=lambda x:x[1]))
1008
file_id, (from_path, to_path), modified,
1009
(from_versioned, to_versioned),
1010
(from_parent, to_parent),
1011
(from_name, to_name),
1012
(from_kind, to_kind),
1013
(from_executable, to_executable)))
1016
return (c.path[0] or '', c.path[1] or '')
1017
return iter(sorted(results, key=path_key))
922
1019
def get_preview_tree(self):
923
1020
"""Return a tree representing the result of the transform.
965
1083
return revision_id
967
1085
def _text_parent(self, trans_id):
968
file_id = self.tree_file_id(trans_id)
1086
path = self.tree_path(trans_id)
970
if file_id is None or self._tree.kind(file_id) != 'file':
1088
if path is None or self._tree.kind(path) != 'file':
972
1090
except errors.NoSuchFile:
976
1094
def _get_parents_texts(self, trans_id):
977
1095
"""Get texts for compression parents of this file."""
978
file_id = self._text_parent(trans_id)
1096
path = self._text_parent(trans_id)
981
return (self._tree.get_file_text(file_id),)
1099
return (self._tree.get_file_text(path),)
983
1101
def _get_parents_lines(self, trans_id):
984
1102
"""Get lines for compression parents of this file."""
985
file_id = self._text_parent(trans_id)
1103
path = self._text_parent(trans_id)
988
return (self._tree.get_file_lines(file_id),)
1106
return (self._tree.get_file_lines(path),)
990
1108
def serialize(self, serializer):
991
1109
"""Serialize this TreeTransform.
993
1111
:param serializer: A Serialiser like pack.ContainerSerializer.
995
new_name = dict((k, v.encode('utf-8')) for k, v in
996
self._new_name.items())
997
new_executability = dict((k, int(v)) for k, v in
998
self._new_executability.items())
999
tree_path_ids = dict((k.encode('utf-8'), v)
1000
for k, v in self._tree_path_ids.items())
1113
new_name = {k.encode('utf-8'): v.encode('utf-8')
1114
for k, v in viewitems(self._new_name)}
1115
new_parent = {k.encode('utf-8'): v.encode('utf-8')
1116
for k, v in viewitems(self._new_parent)}
1117
new_id = {k.encode('utf-8'): v
1118
for k, v in viewitems(self._new_id)}
1119
new_executability = {k.encode('utf-8'): int(v)
1120
for k, v in viewitems(self._new_executability)}
1121
tree_path_ids = {k.encode('utf-8'): v.encode('utf-8')
1122
for k, v in viewitems(self._tree_path_ids)}
1123
non_present_ids = {k: v.encode('utf-8')
1124
for k, v in viewitems(self._non_present_ids)}
1125
removed_contents = [trans_id.encode('utf-8')
1126
for trans_id in self._removed_contents]
1127
removed_id = [trans_id.encode('utf-8')
1128
for trans_id in self._removed_id]
1002
'_id_number': self._id_number,
1003
'_new_name': new_name,
1004
'_new_parent': self._new_parent,
1005
'_new_executability': new_executability,
1006
'_new_id': self._new_id,
1007
'_tree_path_ids': tree_path_ids,
1008
'_removed_id': list(self._removed_id),
1009
'_removed_contents': list(self._removed_contents),
1010
'_non_present_ids': self._non_present_ids,
1130
b'_id_number': self._id_number,
1131
b'_new_name': new_name,
1132
b'_new_parent': new_parent,
1133
b'_new_executability': new_executability,
1135
b'_tree_path_ids': tree_path_ids,
1136
b'_removed_id': removed_id,
1137
b'_removed_contents': removed_contents,
1138
b'_non_present_ids': non_present_ids,
1012
1140
yield serializer.bytes_record(bencode.bencode(attribs),
1014
for trans_id, kind in self._new_contents.items():
1142
for trans_id, kind in sorted(viewitems(self._new_contents)):
1015
1143
if kind == 'file':
1016
lines = osutils.chunks_to_lines(
1017
self._read_file_chunks(trans_id))
1144
with open(self._limbo_name(trans_id), 'rb') as cur_file:
1145
lines = cur_file.readlines()
1018
1146
parents = self._get_parents_lines(trans_id)
1019
1147
mpdiff = multiparent.MultiParent.from_lines(lines, parents)
1020
content = ''.join(mpdiff.to_patch())
1148
content = b''.join(mpdiff.to_patch())
1021
1149
if kind == 'directory':
1023
1151
if kind == 'symlink':
1024
1152
content = self._read_symlink_target(trans_id)
1025
yield serializer.bytes_record(content, ((trans_id, kind),))
1153
if not isinstance(content, bytes):
1154
content = content.encode('utf-8')
1155
yield serializer.bytes_record(
1156
content, ((trans_id.encode('utf-8'), kind.encode('ascii')),))
1027
1158
def deserialize(self, records):
1028
1159
"""Deserialize a stored TreeTransform.
1030
1161
:param records: An iterable of (names, content) tuples, as per
1031
1162
pack.ContainerPushParser.
1033
names, content = records.next()
1164
names, content = next(records)
1034
1165
attribs = bencode.bdecode(content)
1035
self._id_number = attribs['_id_number']
1036
self._new_name = dict((k, v.decode('utf-8'))
1037
for k, v in attribs['_new_name'].items())
1038
self._new_parent = attribs['_new_parent']
1039
self._new_executability = dict((k, bool(v)) for k, v in
1040
attribs['_new_executability'].items())
1041
self._new_id = attribs['_new_id']
1042
self._r_new_id = dict((v, k) for k, v in self._new_id.items())
1166
self._id_number = attribs[b'_id_number']
1167
self._new_name = {k.decode('utf-8'): v.decode('utf-8')
1168
for k, v in viewitems(attribs[b'_new_name'])}
1169
self._new_parent = {k.decode('utf-8'): v.decode('utf-8')
1170
for k, v in viewitems(attribs[b'_new_parent'])}
1171
self._new_executability = {
1172
k.decode('utf-8'): bool(v)
1173
for k, v in viewitems(attribs[b'_new_executability'])}
1174
self._new_id = {k.decode('utf-8'): v
1175
for k, v in viewitems(attribs[b'_new_id'])}
1176
self._r_new_id = {v: k for k, v in viewitems(self._new_id)}
1043
1177
self._tree_path_ids = {}
1044
1178
self._tree_id_paths = {}
1045
for bytepath, trans_id in attribs['_tree_path_ids'].items():
1179
for bytepath, trans_id in viewitems(attribs[b'_tree_path_ids']):
1046
1180
path = bytepath.decode('utf-8')
1181
trans_id = trans_id.decode('utf-8')
1047
1182
self._tree_path_ids[path] = trans_id
1048
1183
self._tree_id_paths[trans_id] = path
1049
self._removed_id = set(attribs['_removed_id'])
1050
self._removed_contents = set(attribs['_removed_contents'])
1051
self._non_present_ids = attribs['_non_present_ids']
1184
self._removed_id = {trans_id.decode('utf-8')
1185
for trans_id in attribs[b'_removed_id']}
1186
self._removed_contents = set(
1187
trans_id.decode('utf-8')
1188
for trans_id in attribs[b'_removed_contents'])
1189
self._non_present_ids = {
1190
k: v.decode('utf-8')
1191
for k, v in viewitems(attribs[b'_non_present_ids'])}
1052
1192
for ((trans_id, kind),), content in records:
1193
trans_id = trans_id.decode('utf-8')
1194
kind = kind.decode('ascii')
1053
1195
if kind == 'file':
1054
1196
mpdiff = multiparent.MultiParent.from_patch(content)
1055
1197
lines = mpdiff.to_lines(self._get_parents_texts(trans_id))
1059
1201
if kind == 'symlink':
1060
1202
self.create_symlink(content.decode('utf-8'), trans_id)
1204
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1205
"""Schedule creation of a new file.
1209
:param contents: an iterator of strings, all of which will be written
1210
to the target destination.
1211
:param trans_id: TreeTransform handle
1212
:param mode_id: If not None, force the mode of the target file to match
1213
the mode of the object referenced by mode_id.
1214
Otherwise, we will try to preserve mode bits of an existing file.
1215
:param sha1: If the sha1 of this content is already known, pass it in.
1216
We can use it to prevent future sha1 computations.
1218
raise NotImplementedError(self.create_file)
1220
def create_directory(self, trans_id):
1221
"""Schedule creation of a new directory.
1223
See also new_directory.
1225
raise NotImplementedError(self.create_directory)
1227
def create_symlink(self, target, trans_id):
1228
"""Schedule creation of a new symbolic link.
1230
target is a bytestring.
1231
See also new_symlink.
1233
raise NotImplementedError(self.create_symlink)
1235
def create_hardlink(self, path, trans_id):
1236
"""Schedule creation of a hard link"""
1237
raise NotImplementedError(self.create_hardlink)
1239
def cancel_creation(self, trans_id):
1240
"""Cancel the creation of new file contents."""
1241
raise NotImplementedError(self.cancel_creation)
1063
1244
class DiskTreeTransform(TreeTransformBase):
1064
1245
"""Tree transform storing its contents on disk."""
1066
def __init__(self, tree, limbodir, pb=None,
1067
case_sensitive=True):
1247
def __init__(self, tree, limbodir, pb=None, case_sensitive=True):
1068
1248
"""Constructor.
1069
1249
:param tree: The tree that will be transformed, but not necessarily
1070
1250
the output tree.
1173
1369
descendants.update(self._limbo_descendants(descendant))
1174
1370
return descendants
1176
def create_file(self, contents, trans_id, mode_id=None):
1372
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1373
"""Schedule creation of a new file.
1181
Contents is an iterator of strings, all of which will be written
1182
to the target destination.
1184
New file takes the permissions of any existing file with that id,
1185
unless mode_id is specified.
1377
:param contents: an iterator of strings, all of which will be written
1378
to the target destination.
1379
:param trans_id: TreeTransform handle
1380
:param mode_id: If not None, force the mode of the target file to match
1381
the mode of the object referenced by mode_id.
1382
Otherwise, we will try to preserve mode bits of an existing file.
1383
:param sha1: If the sha1 of this content is already known, pass it in.
1384
We can use it to prevent future sha1 computations.
1187
1386
name = self._limbo_name(trans_id)
1188
f = open(name, 'wb')
1191
unique_add(self._new_contents, trans_id, 'file')
1193
# Clean up the file, it never got registered so
1194
# TreeTransform.finalize() won't clean it up.
1387
with open(name, 'wb') as f:
1388
unique_add(self._new_contents, trans_id, 'file')
1199
1389
f.writelines(contents)
1202
1390
self._set_mtime(name)
1203
1391
self._set_mode(trans_id, mode_id, S_ISREG)
1205
def _read_file_chunks(self, trans_id):
1206
cur_file = open(self._limbo_name(trans_id), 'rb')
1208
return cur_file.readlines()
1392
# It is unfortunate we have to use lstat instead of fstat, but we just
1393
# used utime and chmod on the file, so we need the accurate final
1395
if sha1 is not None:
1396
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1212
1398
def _read_symlink_target(self, trans_id):
1213
1399
return os.readlink(self._limbo_name(trans_id))
1274
1466
del self._limbo_children_names[trans_id]
1275
1467
delete_any(self._limbo_name(trans_id))
1469
def new_orphan(self, trans_id, parent_id):
1470
conf = self._tree.get_config_stack()
1471
handle_orphan = conf.get('transform.orphan_policy')
1472
handle_orphan(self, trans_id, parent_id)
1475
class OrphaningError(errors.BzrError):
1477
# Only bugs could lead to such exception being seen by the user
1478
internal_error = True
1479
_fmt = "Error while orphaning %s in %s directory"
1481
def __init__(self, orphan, parent):
1482
errors.BzrError.__init__(self)
1483
self.orphan = orphan
1484
self.parent = parent
1487
class OrphaningForbidden(OrphaningError):
1489
_fmt = "Policy: %s doesn't allow creating orphans."
1491
def __init__(self, policy):
1492
errors.BzrError.__init__(self)
1493
self.policy = policy
1496
def move_orphan(tt, orphan_id, parent_id):
1497
"""See TreeTransformBase.new_orphan.
1499
This creates a new orphan in the `brz-orphans` dir at the root of the
1502
:param tt: The TreeTransform orphaning `trans_id`.
1504
:param orphan_id: The trans id that should be orphaned.
1506
:param parent_id: The orphan parent trans id.
1508
# Add the orphan dir if it doesn't exist
1509
orphan_dir_basename = 'brz-orphans'
1510
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1511
if tt.final_kind(od_id) is None:
1512
tt.create_directory(od_id)
1513
parent_path = tt._tree_id_paths[parent_id]
1514
# Find a name that doesn't exist yet in the orphan dir
1515
actual_name = tt.final_name(orphan_id)
1516
new_name = tt._available_backup_name(actual_name, od_id)
1517
tt.adjust_path(new_name, od_id, orphan_id)
1518
trace.warning('%s has been orphaned in %s'
1519
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1522
def refuse_orphan(tt, orphan_id, parent_id):
1523
"""See TreeTransformBase.new_orphan.
1525
This refuses to create orphan, letting the caller handle the conflict.
1527
raise OrphaningForbidden('never')
1530
orphaning_registry = registry.Registry()
1531
orphaning_registry.register(
1532
u'conflict', refuse_orphan,
1533
'Leave orphans in place and create a conflict on the directory.')
1534
orphaning_registry.register(
1535
u'move', move_orphan,
1536
'Move orphans into the brz-orphans directory.')
1537
orphaning_registry._set_default_key(u'conflict')
1540
opt_transform_orphan = _mod_config.RegistryOption(
1541
'transform.orphan_policy', orphaning_registry,
1542
help='Policy for orphaned files during transform operations.',
1278
1546
class TreeTransform(DiskTreeTransform):
1279
1547
"""Represent a tree transformation.
1656
1911
new_paths = self.new_paths(filesystem_only=True)
1657
1912
modified_paths = []
1658
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1660
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1913
with ui.ui_factory.nested_progress_bar() as child_pb:
1662
1914
for num, (path, trans_id) in enumerate(new_paths):
1663
1915
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1916
child_pb.update(gettext('adding file'),
1917
num, len(new_paths))
1665
1918
full_path = self._tree.abspath(path)
1666
1919
if trans_id in self._needs_rename:
1668
1921
mover.rename(self._limbo_name(trans_id), full_path)
1922
except errors.TransformRenameFailed as e:
1670
1923
# We may be renaming a dangling inventory id
1671
1924
if e.errno != errno.ENOENT:
1674
1927
self.rename_count += 1
1675
if (trans_id in self._new_contents or
1676
self.path_changed(trans_id)):
1928
# TODO: if trans_id in self._observed_sha1s, we should
1929
# re-stat the final target, since ctime will be
1930
# updated by the change.
1931
if (trans_id in self._new_contents
1932
or self.path_changed(trans_id)):
1677
1933
if trans_id in self._new_contents:
1678
1934
modified_paths.append(full_path)
1679
1935
if trans_id in self._new_executability:
1680
1936
self._set_executability(path, trans_id)
1937
if trans_id in self._observed_sha1s:
1938
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1939
st = osutils.lstat(full_path)
1940
self._observed_sha1s[trans_id] = (o_sha1, st)
1941
for path, trans_id in new_paths:
1942
# new_paths includes stuff like workingtree conflicts. Only the
1943
# stuff in new_contents actually comes from limbo.
1944
if trans_id in self._limbo_files:
1945
del self._limbo_files[trans_id]
1683
1946
self._new_contents.clear()
1684
1947
return modified_paths
1949
def _apply_observed_sha1s(self):
1950
"""After we have finished renaming everything, update observed sha1s
1952
This has to be done after self._tree.apply_inventory_delta, otherwise
1953
it doesn't know anything about the files we are updating. Also, we want
1954
to do this as late as possible, so that most entries end up cached.
1956
# TODO: this doesn't update the stat information for directories. So
1957
# the first 'bzr status' will still need to rewrite
1958
# .bzr/checkout/dirstate. However, we at least don't need to
1959
# re-read all of the files.
1960
# TODO: If the operation took a while, we could do a time.sleep(3) here
1961
# to allow the clock to tick over and ensure we won't have any
1962
# problems. (we could observe start time, and finish time, and if
1963
# it is less than eg 10% overhead, add a sleep call.)
1964
paths = FinalPaths(self)
1965
for trans_id, observed in viewitems(self._observed_sha1s):
1966
path = paths.get_path(trans_id)
1967
self._tree._observed_sha1(path, observed)
1687
1970
class TransformPreview(DiskTreeTransform):
1688
1971
"""A TreeTransform for generating preview trees.
1965
2282
if not path.startswith(prefix):
1967
2284
path = path[len(prefix):]
1968
yield path, 'V', entry.kind, entry.file_id, entry
2285
yield path, 'V', entry.kind, entry
1970
2287
if from_dir is None and include_root is True:
1971
root_entry = inventory.make_entry('directory', '',
1972
ROOT_PARENT, self.get_root_id())
1973
yield '', 'V', 'directory', root_entry.file_id, root_entry
2288
root_entry = inventory.make_entry(
2289
'directory', '', ROOT_PARENT, self.get_root_id())
2290
yield '', 'V', 'directory', root_entry
1974
2291
entries = self._iter_entries_for_dir(from_dir or '')
1975
2292
for path, entry in entries:
1976
yield path, 'V', entry.kind, entry.file_id, entry
2293
yield path, 'V', entry.kind, entry
1978
def kind(self, file_id):
1979
trans_id = self._transform.trans_id_file_id(file_id)
2295
def kind(self, path):
2296
trans_id = self._path2trans_id(path)
2297
if trans_id is None:
2298
raise errors.NoSuchFile(path)
1980
2299
return self._transform.final_kind(trans_id)
1982
def stored_kind(self, file_id):
1983
trans_id = self._transform.trans_id_file_id(file_id)
2301
def stored_kind(self, path):
2302
trans_id = self._path2trans_id(path)
2303
if trans_id is None:
2304
raise errors.NoSuchFile(path)
1985
2306
return self._transform._new_contents[trans_id]
1986
2307
except KeyError:
1987
return self._transform._tree.stored_kind(file_id)
2308
return self._transform._tree.stored_kind(path)
1989
def get_file_mtime(self, file_id, path=None):
2310
def get_file_mtime(self, path):
1990
2311
"""See Tree.get_file_mtime"""
2312
file_id = self.path2id(path)
2314
raise errors.NoSuchFile(path)
1991
2315
if not self._content_change(file_id):
1992
return self._transform._tree.get_file_mtime(file_id)
1993
return self._stat_limbo_file(file_id).st_mtime
1995
def _file_size(self, entry, stat_value):
1996
return self.get_file_size(entry.file_id)
1998
def get_file_size(self, file_id):
2316
return self._transform._tree.get_file_mtime(
2317
self._transform._tree.id2path(file_id))
2318
trans_id = self._path2trans_id(path)
2319
return self._stat_limbo_file(trans_id).st_mtime
2321
def get_file_size(self, path):
1999
2322
"""See Tree.get_file_size"""
2000
if self.kind(file_id) == 'file':
2001
return self._transform._tree.get_file_size(file_id)
2323
trans_id = self._path2trans_id(path)
2324
if trans_id is None:
2325
raise errors.NoSuchFile(path)
2326
kind = self._transform.final_kind(trans_id)
2329
if trans_id in self._transform._new_contents:
2330
return self._stat_limbo_file(trans_id).st_size
2331
if self.kind(path) == 'file':
2332
return self._transform._tree.get_file_size(path)
2005
def get_file_sha1(self, file_id, path=None, stat_value=None):
2006
trans_id = self._transform.trans_id_file_id(file_id)
2007
kind = self._transform._new_contents.get(trans_id)
2009
return self._transform._tree.get_file_sha1(file_id)
2011
fileobj = self.get_file(file_id)
2336
def get_file_verifier(self, path, stat_value=None):
2337
trans_id = self._path2trans_id(path)
2338
if trans_id is None:
2339
raise errors.NoSuchFile(path)
2340
kind = self._transform._new_contents.get(trans_id)
2342
return self._transform._tree.get_file_verifier(path)
2344
with self.get_file(path) as fileobj:
2345
return ("SHA1", sha_file(fileobj))
2347
def get_file_sha1(self, path, stat_value=None):
2348
trans_id = self._path2trans_id(path)
2349
if trans_id is None:
2350
raise errors.NoSuchFile(path)
2351
kind = self._transform._new_contents.get(trans_id)
2353
return self._transform._tree.get_file_sha1(path)
2355
with self.get_file(path) as fileobj:
2013
2356
return sha_file(fileobj)
2017
def is_executable(self, file_id, path=None):
2358
def is_executable(self, path):
2359
trans_id = self._path2trans_id(path)
2360
if trans_id is None:
2020
trans_id = self._transform.trans_id_file_id(file_id)
2022
2363
return self._transform._new_executability[trans_id]
2023
2364
except KeyError:
2025
return self._transform._tree.is_executable(file_id, path)
2366
return self._transform._tree.is_executable(path)
2367
except OSError as e:
2027
2368
if e.errno == errno.ENOENT:
2030
except errors.NoSuchId:
2371
except errors.NoSuchFile:
2374
def has_filename(self, path):
2375
trans_id = self._path2trans_id(path)
2376
if trans_id in self._transform._new_contents:
2378
elif trans_id in self._transform._removed_contents:
2381
return self._transform._tree.has_filename(path)
2033
2383
def path_content_summary(self, path):
2034
2384
trans_id = self._path2trans_id(path)
2035
2385
tt = self._transform
2081
2433
raise ValueError('want_unversioned is not supported')
2082
2434
return self._transform.iter_changes()
2084
def get_file(self, file_id, path=None):
2436
def get_file(self, path):
2085
2437
"""See Tree.get_file"""
2438
file_id = self.path2id(path)
2086
2439
if not self._content_change(file_id):
2087
return self._transform._tree.get_file(file_id, path)
2088
trans_id = self._transform.trans_id_file_id(file_id)
2440
return self._transform._tree.get_file(path)
2441
trans_id = self._path2trans_id(path)
2089
2442
name = self._transform._limbo_name(trans_id)
2090
2443
return open(name, 'rb')
2092
def get_file_with_stat(self, file_id, path=None):
2093
return self.get_file(file_id, path), None
2445
def get_file_with_stat(self, path):
2446
return self.get_file(path), None
2095
def annotate_iter(self, file_id,
2448
def annotate_iter(self, path,
2096
2449
default_revision=_mod_revision.CURRENT_REVISION):
2450
file_id = self.path2id(path)
2097
2451
changes = self._iter_changes_cache.get(file_id)
2098
2452
if changes is None:
2101
changed_content, versioned, kind = (changes[2], changes[3],
2455
changed_content, versioned, kind = (
2456
changes.changed_content, changes.versioned, changes.kind)
2103
2457
if kind[1] is None:
2105
2459
get_old = (kind[0] == 'file' and versioned[0])
2107
old_annotation = self._transform._tree.annotate_iter(file_id,
2108
default_revision=default_revision)
2461
old_annotation = self._transform._tree.annotate_iter(
2462
path, default_revision=default_revision)
2110
2464
old_annotation = []
2111
2465
if changes is None:
2243
2599
:param delta_from_tree: If true, build_tree may use the input Tree to
2244
2600
generate the inventory delta.
2246
wt.lock_tree_write()
2602
with wt.lock_tree_write(), tree.lock_read():
2603
if accelerator_tree is not None:
2604
accelerator_tree.lock_read()
2606
return _build_tree(tree, wt, accelerator_tree, hardlink,
2250
2609
if accelerator_tree is not None:
2251
accelerator_tree.lock_read()
2253
return _build_tree(tree, wt, accelerator_tree, hardlink,
2256
if accelerator_tree is not None:
2257
accelerator_tree.unlock()
2610
accelerator_tree.unlock()
2264
2613
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2265
2614
"""See build_tree."""
2266
for num, _unused in enumerate(wt.all_file_ids()):
2615
for num, _unused in enumerate(wt.all_versioned_paths()):
2267
2616
if num > 0: # more than just a root
2268
2617
raise errors.WorkingTreeAlreadyPopulated(base=wt.basedir)
2269
existing_files = set()
2270
for dir, files in wt.walkdirs():
2271
existing_files.update(f[0] for f in files)
2272
2618
file_trans_id = {}
2273
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2619
top_pb = ui.ui_factory.nested_progress_bar()
2274
2620
pp = ProgressPhase("Build phase", 2, top_pb)
2275
if tree.inventory.root is not None:
2621
if tree.get_root_id() is not None:
2276
2622
# This is kind of a hack: we should be altering the root
2277
2623
# as part of the regular tree shape diff logic.
2278
2624
# The conditional test here is to avoid doing an
2376
2731
new_desired_files = desired_files
2378
2733
iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2379
unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2380
in iter if not (c or e[0] != e[1])]
2735
change.path for change in iter
2736
if not (change.changed_content or change.executable[0] != change.executable[1])]
2381
2737
if accelerator_tree.supports_content_filtering():
2382
unchanged = [(f, p) for (f, p) in unchanged
2383
if not accelerator_tree.iter_search_rules([p]).next()]
2738
unchanged = [(tp, ap) for (tp, ap) in unchanged
2739
if not next(accelerator_tree.iter_search_rules([ap]))]
2384
2740
unchanged = dict(unchanged)
2385
2741
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2388
accelerator_path = unchanged.get(file_id)
2743
for unused_tree_path, (trans_id, file_id, tree_path, text_sha1) in desired_files:
2744
accelerator_path = unchanged.get(tree_path)
2389
2745
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2746
new_desired_files.append((tree_path,
2747
(trans_id, file_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2749
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2751
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2397
contents = accelerator_tree.get_file(file_id, accelerator_path)
2398
if wt.supports_content_filtering():
2399
filters = wt._content_filter_stack(tree_path)
2400
contents = filtered_output_bytes(contents, filters,
2401
ContentFilterContext(tree_path, tree))
2403
tt.create_file(contents, trans_id)
2407
except AttributeError:
2408
# after filtering, contents may no longer be file-like
2754
with accelerator_tree.get_file(accelerator_path) as f:
2755
chunks = osutils.file_iterator(f)
2756
if wt.supports_content_filtering():
2757
filters = wt._content_filter_stack(tree_path)
2758
chunks = filtered_output_bytes(chunks, filters,
2759
ContentFilterContext(tree_path, tree))
2760
tt.create_file(chunks, trans_id, sha1=text_sha1)
2411
2762
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2763
for count, ((trans_id, file_id, tree_path, text_sha1), contents) in enumerate(
2413
2764
tree.iter_files_bytes(new_desired_files)):
2414
2765
if wt.supports_content_filtering():
2415
2766
filters = wt._content_filter_stack(tree_path)
2416
2767
contents = filtered_output_bytes(contents, filters,
2417
ContentFilterContext(tree_path, tree))
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2768
ContentFilterContext(tree_path, tree))
2769
tt.create_file(contents, trans_id, sha1=text_sha1)
2770
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2773
def _reparent_children(tt, old_parent, new_parent):
2423
2774
for child in tt.iter_tree_children(old_parent):
2424
2775
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2778
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2779
by_parent = tt.by_parent()
2428
2780
for child in by_parent[old_parent]:
2429
2781
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2782
return by_parent[old_parent]
2432
def _content_match(tree, entry, file_id, kind, target_path):
2785
def _content_match(tree, entry, tree_path, kind, target_path):
2433
2786
if entry.kind != kind:
2435
2788
if entry.kind == "directory":
2437
2790
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2791
with open(target_path, 'rb') as f1, \
2792
tree.get_file(tree_path) as f2:
2793
if osutils.compare_files(f1, f2):
2440
2795
elif entry.kind == "symlink":
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2796
if tree.get_symlink_target(tree_path) == os.readlink(target_path):
2462
2817
final_parent = tt.final_parent(old_file)
2463
2818
if new_file in divert:
2464
new_name = tt.final_name(old_file)+'.diverted'
2819
new_name = tt.final_name(old_file) + '.diverted'
2465
2820
tt.adjust_path(new_name, final_parent, new_file)
2466
2821
new_conflicts.add((c_type, 'Diverted to',
2467
2822
new_file, old_file))
2469
new_name = tt.final_name(old_file)+'.moved'
2824
new_name = tt.final_name(old_file) + '.moved'
2470
2825
tt.adjust_path(new_name, final_parent, old_file)
2471
2826
new_conflicts.add((c_type, 'Moved existing file to',
2472
2827
old_file, new_file))
2473
2828
return new_conflicts
2476
def new_by_entry(tt, entry, parent_id, tree):
2831
def new_by_entry(path, tt, entry, parent_id, tree):
2477
2832
"""Create a new file according to its inventory entry"""
2478
2833
name = entry.name
2479
2834
kind = entry.kind
2480
2835
if kind == 'file':
2481
contents = tree.get_file(entry.file_id).readlines()
2482
executable = tree.is_executable(entry.file_id)
2483
return tt.new_file(name, parent_id, contents, entry.file_id,
2836
with tree.get_file(path) as f:
2837
executable = tree.is_executable(path)
2839
name, parent_id, osutils.file_iterator(f), entry.file_id,
2485
2841
elif kind in ('directory', 'tree-reference'):
2486
2842
trans_id = tt.new_directory(name, parent_id, entry.file_id)
2487
2843
if kind == 'tree-reference':
2488
2844
tt.set_tree_reference(entry.reference_revision, trans_id)
2489
2845
return trans_id
2490
2846
elif kind == 'symlink':
2491
target = tree.get_symlink_target(entry.file_id)
2847
target = tree.get_symlink_target(path)
2492
2848
return tt.new_symlink(name, parent_id, target, entry.file_id)
2494
2850
raise errors.BadFileKindError(name, kind)
2497
@deprecated_function(deprecated_in((1, 9, 0)))
2498
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
2499
"""Create new file contents according to an inventory entry.
2501
DEPRECATED. Use create_from_tree instead.
2503
if entry.kind == "file":
2505
lines = tree.get_file(entry.file_id).readlines()
2506
tt.create_file(lines, trans_id, mode_id=mode_id)
2507
elif entry.kind == "symlink":
2508
tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
2509
elif entry.kind == "directory":
2510
tt.create_directory(trans_id)
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2514
filter_tree_path=None):
2853
def create_from_tree(tt, trans_id, tree, path, chunks=None,
2854
filter_tree_path=None):
2515
2855
"""Create new file contents according to tree contents.
2517
2857
:param filter_tree_path: the tree path to use to lookup
2518
2858
content filters to apply to the bytes output in the working tree.
2519
2859
This only applies if the working tree supports content filtering.
2521
kind = tree.kind(file_id)
2861
kind = tree.kind(path)
2522
2862
if kind == 'directory':
2523
2863
tt.create_directory(trans_id)
2524
2864
elif kind == "file":
2526
tree_file = tree.get_file(file_id)
2528
bytes = tree_file.readlines()
2532
if wt.supports_content_filtering() and filter_tree_path is not None:
2533
filters = wt._content_filter_stack(filter_tree_path)
2534
bytes = filtered_output_bytes(bytes, filters,
2535
ContentFilterContext(filter_tree_path, tree))
2536
tt.create_file(bytes, trans_id)
2866
f = tree.get_file(path)
2867
chunks = osutils.file_iterator(f)
2872
if wt.supports_content_filtering() and filter_tree_path is not None:
2873
filters = wt._content_filter_stack(filter_tree_path)
2874
chunks = filtered_output_bytes(
2876
ContentFilterContext(filter_tree_path, tree))
2877
tt.create_file(chunks, trans_id)
2537
2881
elif kind == "symlink":
2538
tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2882
tt.create_symlink(tree.get_symlink_target(path), trans_id)
2540
2884
raise AssertionError('Unknown kind %r' % kind)
2546
2890
tt.set_executability(entry.executable, trans_id)
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2550
return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2554
"""Produce a backup-style name that appears to be available"""
2558
yield "%s.~%d~" % (name, counter)
2560
for new_name in name_gen():
2561
if not tt.has_named_child(by_parent, parent_trans_id, new_name):
2565
def _entry_changes(file_id, entry, working_tree):
2566
"""Determine in which ways the inventory entry has changed.
2568
Returns booleans: has_contents, content_mod, meta_mod
2569
has_contents means there are currently contents, but they differ
2570
contents_mod means contents need to be modified
2571
meta_mod means the metadata needs to be modified
2573
cur_entry = working_tree.inventory[file_id]
2575
working_kind = working_tree.kind(file_id)
2578
has_contents = False
2581
if has_contents is True:
2582
if entry.kind != working_kind:
2583
contents_mod, meta_mod = True, False
2585
cur_entry._read_tree_state(working_tree.id2path(file_id),
2587
contents_mod, meta_mod = entry.detect_changes(cur_entry)
2588
cur_entry._forget_tree_state()
2589
return has_contents, contents_mod, meta_mod
2592
2893
def revert(working_tree, target_tree, filenames, backups=False,
2593
2894
pb=None, change_reporter=None):
2594
2895
"""Revert a working tree's contents to those of a target tree."""
2595
target_tree.lock_read()
2596
2896
pb = ui.ui_factory.nested_progress_bar()
2597
tt = TreeTransform(working_tree, pb)
2599
pp = ProgressPhase("Revert phase", 3, pb)
2600
conflicts, merge_modified = _prepare_revert_transform(
2601
working_tree, target_tree, tt, filenames, backups, pp)
2603
change_reporter = delta._ChangeReporter(
2604
unversioned_filter=working_tree.is_ignored)
2605
delta.report_changes(tt.iter_changes(), change_reporter)
2606
for conflict in conflicts:
2610
working_tree.set_merge_modified(merge_modified)
2898
with target_tree.lock_read(), working_tree.get_transform(pb) as tt:
2899
pp = ProgressPhase("Revert phase", 3, pb)
2900
conflicts, merge_modified = _prepare_revert_transform(
2901
working_tree, target_tree, tt, filenames, backups, pp)
2903
change_reporter = delta._ChangeReporter(
2904
unversioned_filter=working_tree.is_ignored)
2905
delta.report_changes(tt.iter_changes(), change_reporter)
2906
for conflict in conflicts:
2907
trace.warning(text_type(conflict))
2910
if working_tree.supports_merge_modified():
2911
working_tree.set_merge_modified(merge_modified)
2612
target_tree.unlock()
2615
2914
return conflicts
2641
2934
backups, merge_modified, basis_tree=None):
2642
2935
if basis_tree is not None:
2643
2936
basis_tree.lock_read()
2644
change_list = target_tree.iter_changes(working_tree,
2645
specific_files=specific_files, pb=pb)
2646
if target_tree.get_root_id() is None:
2937
# We ask the working_tree for its changes relative to the target, rather
2938
# than the target changes relative to the working tree. Because WT4 has an
2939
# optimizer to compare itself to a target, but no optimizer for the
2941
change_list = working_tree.iter_changes(
2942
target_tree, specific_files=specific_files, pb=pb)
2943
if not target_tree.is_versioned(u''):
2647
2944
skip_root = True
2649
2946
skip_root = False
2651
2948
deferred_files = []
2652
for id_num, (file_id, path, changed_content, versioned, parent, name,
2653
kind, executable) in enumerate(change_list):
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2949
for id_num, change in enumerate(change_list):
2950
file_id = change.file_id
2951
target_path, wt_path = change.path
2952
target_versioned, wt_versioned = change.versioned
2953
target_parent, wt_parent = change.parent_id
2954
target_name, wt_name = change.name
2955
target_kind, wt_kind = change.kind
2956
target_executable, wt_executable = change.executable
2957
if skip_root and wt_parent is None:
2656
2959
trans_id = tt.trans_id_file_id(file_id)
2961
if change.changed_content:
2659
2962
keep_content = False
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2661
wt_sha1 = working_tree.get_file_sha1(file_id)
2662
if merge_modified.get(file_id) != wt_sha1:
2963
if wt_kind == 'file' and (backups or target_kind is None):
2964
wt_sha1 = working_tree.get_file_sha1(wt_path)
2965
if merge_modified.get(wt_path) != wt_sha1:
2663
2966
# acquire the basis tree lazily to prevent the
2664
2967
# expense of accessing it when it's not needed ?
2665
2968
# (Guessing, RBC, 200702)
2666
2969
if basis_tree is None:
2667
2970
basis_tree = working_tree.basis_tree()
2668
2971
basis_tree.lock_read()
2669
if file_id in basis_tree:
2670
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2672
elif kind[1] is None and not versioned[1]:
2674
if kind[0] is not None:
2972
basis_path = find_previous_path(
2973
working_tree, basis_tree, wt_path)
2974
if basis_path is None:
2975
if target_kind is None and not target_versioned:
2978
if wt_sha1 != basis_tree.get_file_sha1(basis_path):
2980
if wt_kind is not None:
2675
2981
if not keep_content:
2676
2982
tt.delete_contents(trans_id)
2677
elif kind[1] is not None:
2678
parent_trans_id = tt.trans_id_file_id(parent[0])
2679
by_parent = tt.by_parent()
2680
backup_name = _get_backup_name(name[0], by_parent,
2681
parent_trans_id, tt)
2983
elif target_kind is not None:
2984
parent_trans_id = tt.trans_id_file_id(wt_parent)
2985
backup_name = tt._available_backup_name(
2986
wt_name, parent_trans_id)
2682
2987
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2988
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2989
if wt_versioned and target_versioned:
2685
2990
tt.unversion_file(trans_id)
2686
2991
tt.version_file(file_id, new_trans_id)
2687
2992
# New contents should have the same unix perms as old
2689
2994
mode_id = trans_id
2690
2995
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2996
if target_kind in ('directory', 'tree-reference'):
2692
2997
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2694
revision = target_tree.get_reference_revision(file_id,
2998
if target_kind == 'tree-reference':
2999
revision = target_tree.get_reference_revision(
2696
3001
tt.set_tree_reference(revision, trans_id)
2697
elif kind[1] == 'symlink':
2698
tt.create_symlink(target_tree.get_symlink_target(file_id),
2700
elif kind[1] == 'file':
2701
deferred_files.append((file_id, (trans_id, mode_id)))
3002
elif target_kind == 'symlink':
3003
tt.create_symlink(target_tree.get_symlink_target(
3004
target_path), trans_id)
3005
elif target_kind == 'file':
3006
deferred_files.append(
3007
(target_path, (trans_id, mode_id, file_id)))
2702
3008
if basis_tree is None:
2703
3009
basis_tree = working_tree.basis_tree()
2704
3010
basis_tree.lock_read()
2705
new_sha1 = target_tree.get_file_sha1(file_id)
2706
if (file_id in basis_tree and new_sha1 ==
2707
basis_tree.get_file_sha1(file_id)):
2708
if file_id in merge_modified:
2709
del merge_modified[file_id]
3011
new_sha1 = target_tree.get_file_sha1(target_path)
3012
basis_path = find_previous_path(target_tree, basis_tree, target_path)
3013
if (basis_path is not None and
3014
new_sha1 == basis_tree.get_file_sha1(basis_path)):
3015
# If the new contents of the file match what is in basis,
3016
# then there is no need to store in merge_modified.
3017
if basis_path in merge_modified:
3018
del merge_modified[basis_path]
2711
merge_modified[file_id] = new_sha1
3020
merge_modified[target_path] = new_sha1
2713
3022
# preserve the execute bit when backing up
2714
if keep_content and executable[0] == executable[1]:
2715
tt.set_executability(executable[1], trans_id)
2716
elif kind[1] is not None:
2717
raise AssertionError(kind[1])
2718
if versioned == (False, True):
3023
if keep_content and wt_executable == target_executable:
3024
tt.set_executability(target_executable, trans_id)
3025
elif target_kind is not None:
3026
raise AssertionError(target_kind)
3027
if not wt_versioned and target_versioned:
2719
3028
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
3029
if wt_versioned and not target_versioned:
2721
3030
tt.unversion_file(trans_id)
2722
if (name[1] is not None and
2723
(name[0] != name[1] or parent[0] != parent[1])):
2724
if name[1] == '' and parent[1] is None:
3031
if (target_name is not None
3032
and (wt_name != target_name or wt_parent != target_parent)):
3033
if target_name == '' and target_parent is None:
2725
3034
parent_trans = ROOT_PARENT
2727
parent_trans = tt.trans_id_file_id(parent[1])
2728
if parent[0] is None and versioned[0]:
2729
tt.adjust_root_path(name[1], parent_trans)
3036
parent_trans = tt.trans_id_file_id(target_parent)
3037
if wt_parent is None and wt_versioned:
3038
tt.adjust_root_path(target_name, parent_trans)
2731
tt.adjust_path(name[1], parent_trans, trans_id)
2732
if executable[0] != executable[1] and kind[1] == "file":
2733
tt.set_executability(executable[1], trans_id)
3040
tt.adjust_path(target_name, parent_trans, trans_id)
3041
if wt_executable != target_executable and target_kind == "file":
3042
tt.set_executability(target_executable, trans_id)
2734
3043
if working_tree.supports_content_filtering():
2735
for index, ((trans_id, mode_id), bytes) in enumerate(
2736
target_tree.iter_files_bytes(deferred_files)):
2737
file_id = deferred_files[index][0]
3044
for (trans_id, mode_id, file_id), bytes in (
3045
target_tree.iter_files_bytes(deferred_files)):
2738
3046
# We're reverting a tree to the target tree so using the
2739
3047
# target tree to find the file path seems the best choice
2740
3048
# here IMO - Ian C 27/Oct/2009
2741
3049
filter_tree_path = target_tree.id2path(file_id)
2742
3050
filters = working_tree._content_filter_stack(filter_tree_path)
2743
bytes = filtered_output_bytes(bytes, filters,
3051
bytes = filtered_output_bytes(
2744
3053
ContentFilterContext(filter_tree_path, working_tree))
2745
3054
tt.create_file(bytes, trans_id, mode_id)
2747
for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
3056
for (trans_id, mode_id, file_id), bytes in target_tree.iter_files_bytes(
2749
3058
tt.create_file(bytes, trans_id, mode_id)
2750
3059
tt.fixup_new_roots()
added
removed
breezy/transform.py
