223
218
def path_content_summary(self, path):
224
219
"""Get a summary of the information about path.
226
All the attributes returned are for the canonical form, not the
227
convenient form (if content filters are in use.)
229
221
:param path: A relative path within the tree.
230
222
:return: A tuple containing kind, size, exec, sha1-or-link.
231
223
Kind is always present (see tree.kind()).
232
size is present if kind is file and the size of the
233
canonical form can be cheaply determined, None otherwise.
224
size is present if kind is file, None otherwise.
234
225
exec is None unless kind is file and the platform supports the 'x'
236
227
sha1-or-link is the link target if kind is symlink, or the sha1 if
405
396
bit_iter = iter(path.split("/"))
406
397
for elt in bit_iter:
407
398
lelt = elt.lower()
409
399
for child in self.iter_children(cur_id):
411
# XXX: it seem like if the child is known to be in the
412
# tree, we shouldn't need to go from its id back to
413
# its path -- mbp 2010-02-11
415
# XXX: it seems like we could be more efficient
416
# by just directly looking up the original name and
417
# only then searching all children; also by not
418
# chopping paths so much. -- mbp 2010-02-11
419
401
child_base = os.path.basename(self.id2path(child))
420
if (child_base == elt):
421
# if we found an exact match, we can stop now; if
422
# we found an approximate match we need to keep
423
# searching because there might be an exact match
402
if child_base.lower() == lelt:
426
new_path = osutils.pathjoin(cur_path, child_base)
404
cur_path = osutils.pathjoin(cur_path, child_base)
428
elif child_base.lower() == lelt:
430
new_path = osutils.pathjoin(cur_path, child_base)
432
407
# before a change is committed we can see this error...
437
410
# got to the end of this directory and no entries matched.
438
411
# Return what matched so far, plus the rest as specified.
870
844
will pass through to InterTree as appropriate.
873
# Formats that will be used to test this InterTree. If both are
874
# None, this InterTree will not be tested (e.g. because a complex
876
_matching_from_tree_format = None
877
_matching_to_tree_format = None
881
def _changes_from_entries(self, source_entry, target_entry,
882
source_path=None, target_path=None):
883
"""Generate a iter_changes tuple between source_entry and target_entry.
885
:param source_entry: An inventory entry from self.source, or None.
886
:param target_entry: An inventory entry from self.target, or None.
887
:param source_path: The path of source_entry, if known. If not known
888
it will be looked up.
889
:param target_path: The path of target_entry, if known. If not known
890
it will be looked up.
891
:return: A tuple, item 0 of which is an iter_changes result tuple, and
892
item 1 is True if there are any changes in the result tuple.
894
if source_entry is None:
895
if target_entry is None:
897
file_id = target_entry.file_id
899
file_id = source_entry.file_id
900
if source_entry is not None:
901
source_versioned = True
902
source_name = source_entry.name
903
source_parent = source_entry.parent_id
904
if source_path is None:
905
source_path = self.source.id2path(file_id)
906
source_kind, source_executable, source_stat = \
907
self.source._comparison_data(source_entry, source_path)
909
source_versioned = False
913
source_executable = None
914
if target_entry is not None:
915
target_versioned = True
916
target_name = target_entry.name
917
target_parent = target_entry.parent_id
918
if target_path is None:
919
target_path = self.target.id2path(file_id)
920
target_kind, target_executable, target_stat = \
921
self.target._comparison_data(target_entry, target_path)
923
target_versioned = False
927
target_executable = None
928
versioned = (source_versioned, target_versioned)
929
kind = (source_kind, target_kind)
930
changed_content = False
931
if source_kind != target_kind:
932
changed_content = True
933
elif source_kind == 'file':
934
if (self.source.get_file_sha1(file_id, source_path, source_stat) !=
935
self.target.get_file_sha1(file_id, target_path, target_stat)):
936
changed_content = True
937
elif source_kind == 'symlink':
938
if (self.source.get_symlink_target(file_id) !=
939
self.target.get_symlink_target(file_id)):
940
changed_content = True
941
# XXX: Yes, the indentation below is wrong. But fixing it broke
942
# test_merge.TestMergerEntriesLCAOnDisk.
943
# test_nested_tree_subtree_renamed_and_modified. We'll wait for
944
# the fix from bzr.dev -- vila 2009026
945
elif source_kind == 'tree-reference':
946
if (self.source.get_reference_revision(file_id, source_path)
947
!= self.target.get_reference_revision(file_id, target_path)):
948
changed_content = True
949
parent = (source_parent, target_parent)
950
name = (source_name, target_name)
951
executable = (source_executable, target_executable)
952
if (changed_content is not False or versioned[0] != versioned[1]
953
or parent[0] != parent[1] or name[0] != name[1] or
954
executable[0] != executable[1]):
958
return (file_id, (source_path, target_path), changed_content,
959
versioned, parent, name, kind, executable), changes
962
850
def compare(self, want_unchanged=False, specific_files=None,
963
851
extra_trees=None, require_versioned=False, include_root=False,
1074
946
# can be extras. So the fake_entry is solely used to look up
1075
947
# executable it values when execute is not supported.
1076
948
fake_entry = InventoryFile('unused', 'unused', 'unused')
1077
for target_path, target_entry in to_entries_by_dir:
1078
while (all_unversioned and
1079
all_unversioned[0][0] < target_path.split('/')):
949
for to_path, to_entry in to_entries_by_dir:
950
while all_unversioned and all_unversioned[0][0] < to_path.split('/'):
1080
951
unversioned_path = all_unversioned.popleft()
1081
target_kind, target_executable, target_stat = \
952
to_kind, to_executable, to_stat = \
1082
953
self.target._comparison_data(fake_entry, unversioned_path[1])
1083
954
yield (None, (None, unversioned_path[1]), True, (False, False),
1085
956
(None, unversioned_path[0][-1]),
1086
(None, target_kind),
1087
(None, target_executable))
1088
source_path, source_entry = from_data.get(target_entry.file_id,
1090
result, changes = self._changes_from_entries(source_entry,
1091
target_entry, source_path=source_path, target_path=target_path)
1092
to_paths[result[0]] = result[1][1]
958
(None, to_executable))
959
file_id = to_entry.file_id
960
to_paths[file_id] = to_path
1093
961
entry_count += 1
962
changed_content = False
963
from_path, from_entry = from_data.get(file_id, (None, None))
964
from_versioned = (from_entry is not None)
965
if from_entry is not None:
966
from_versioned = True
967
from_name = from_entry.name
968
from_parent = from_entry.parent_id
969
from_kind, from_executable, from_stat = \
970
self.source._comparison_data(from_entry, from_path)
1095
971
entry_count += 1
973
from_versioned = False
977
from_executable = None
978
versioned = (from_versioned, True)
979
to_kind, to_executable, to_stat = \
980
self.target._comparison_data(to_entry, to_path)
981
kind = (from_kind, to_kind)
982
if kind[0] != kind[1]:
983
changed_content = True
984
elif from_kind == 'file':
985
if (self.source.get_file_sha1(file_id, from_path, from_stat) !=
986
self.target.get_file_sha1(file_id, to_path, to_stat)):
987
changed_content = True
988
elif from_kind == 'symlink':
989
if (self.source.get_symlink_target(file_id) !=
990
self.target.get_symlink_target(file_id)):
991
changed_content = True
992
# XXX: Yes, the indentation below is wrong. But fixing it broke
993
# test_merge.TestMergerEntriesLCAOnDisk.
994
# test_nested_tree_subtree_renamed_and_modified. We'll wait for
995
# the fix from bzr.dev -- vila 2009026
996
elif from_kind == 'tree-reference':
997
if (self.source.get_reference_revision(file_id, from_path)
998
!= self.target.get_reference_revision(file_id, to_path)):
999
changed_content = True
1000
parent = (from_parent, to_entry.parent_id)
1001
name = (from_name, to_entry.name)
1002
executable = (from_executable, to_executable)
1096
1003
if pb is not None:
1097
1004
pb.update('comparing files', entry_count, num_entries)
1098
if changes or include_unchanged:
1099
if specific_file_ids is not None:
1100
new_parent_id = result[4][1]
1101
precise_file_ids.add(new_parent_id)
1102
changed_file_ids.append(result[0])
1104
# Ensure correct behaviour for reparented/added specific files.
1105
if specific_files is not None:
1106
# Record output dirs
1107
if result[6][1] == 'directory':
1108
seen_dirs.add(result[0])
1109
# Record parents of reparented/added entries.
1110
versioned = result[3]
1112
if not versioned[0] or parents[0] != parents[1]:
1113
seen_parents.add(parents[1])
1005
if (changed_content is not False or versioned[0] != versioned[1]
1006
or parent[0] != parent[1] or name[0] != name[1] or
1007
executable[0] != executable[1] or include_unchanged):
1008
yield (file_id, (from_path, to_path), changed_content,
1009
versioned, parent, name, kind, executable)
1114
1011
while all_unversioned:
1115
1012
# yield any trailing unversioned paths
1116
1013
unversioned_path = all_unversioned.popleft()
1121
1018
(None, unversioned_path[0][-1]),
1122
1019
(None, to_kind),
1123
1020
(None, to_executable))
1124
# Yield all remaining source paths
1022
def get_to_path(to_entry):
1023
if to_entry.parent_id is None:
1024
to_path = '' # the root
1026
if to_entry.parent_id not in to_paths:
1028
return get_to_path(self.target.inventory[to_entry.parent_id])
1029
to_path = osutils.pathjoin(to_paths[to_entry.parent_id],
1031
to_paths[to_entry.file_id] = to_path
1125
1034
for path, from_entry in from_entries_by_dir:
1126
1035
file_id = from_entry.file_id
1127
1036
if file_id in to_paths:
1128
1037
# already returned
1130
if file_id not in self.target.all_file_ids():
1039
if not file_id in self.target.all_file_ids():
1131
1040
# common case - paths we have not emitted are not present in
1135
to_path = self.target.id2path(file_id)
1044
to_path = get_to_path(self.target.inventory[file_id])
1136
1045
entry_count += 1
1137
1046
if pb is not None:
1138
1047
pb.update('comparing files', entry_count, num_entries)
1145
1054
executable = (from_executable, None)
1146
1055
changed_content = from_kind is not None
1147
1056
# the parent's path is necessarily known at this point.
1148
changed_file_ids.append(file_id)
1149
1057
yield(file_id, (path, to_path), changed_content, versioned, parent,
1150
1058
name, kind, executable)
1151
changed_file_ids = set(changed_file_ids)
1152
if specific_file_ids is not None:
1153
for result in self._handle_precise_ids(precise_file_ids,
1157
def _get_entry(self, tree, file_id):
1158
"""Get an inventory entry from a tree, with missing entries as None.
1160
If the tree raises NotImplementedError on accessing .inventory, then
1161
this is worked around using iter_entries_by_dir on just the file id
1164
:param tree: The tree to lookup the entry in.
1165
:param file_id: The file_id to lookup.
1168
inventory = tree.inventory
1169
except NotImplementedError:
1170
# No inventory available.
1172
iterator = tree.iter_entries_by_dir(specific_file_ids=[file_id])
1173
return iterator.next()[1]
1174
except StopIteration:
1178
return inventory[file_id]
1179
except errors.NoSuchId:
1182
def _handle_precise_ids(self, precise_file_ids, changed_file_ids,
1183
discarded_changes=None):
1184
"""Fill out a partial iter_changes to be consistent.
1186
:param precise_file_ids: The file ids of parents that were seen during
1188
:param changed_file_ids: The file ids of already emitted items.
1189
:param discarded_changes: An optional dict of precalculated
1190
iter_changes items which the partial iter_changes had not output
1192
:return: A generator of iter_changes items to output.
1194
# process parents of things that had changed under the users
1195
# requested paths to prevent incorrect paths or parent ids which
1196
# aren't in the tree.
1197
while precise_file_ids:
1198
precise_file_ids.discard(None)
1199
# Don't emit file_ids twice
1200
precise_file_ids.difference_update(changed_file_ids)
1201
if not precise_file_ids:
1203
# If the there was something at a given output path in source, we
1204
# have to include the entry from source in the delta, or we would
1205
# be putting this entry into a used path.
1207
for parent_id in precise_file_ids:
1209
paths.append(self.target.id2path(parent_id))
1210
except errors.NoSuchId:
1211
# This id has been dragged in from the source by delta
1212
# expansion and isn't present in target at all: we don't
1213
# need to check for path collisions on it.
1216
old_id = self.source.path2id(path)
1217
precise_file_ids.add(old_id)
1218
precise_file_ids.discard(None)
1219
current_ids = precise_file_ids
1220
precise_file_ids = set()
1221
# We have to emit all of precise_file_ids that have been altered.
1222
# We may have to output the children of some of those ids if any
1223
# directories have stopped being directories.
1224
for file_id in current_ids:
1226
if discarded_changes:
1227
result = discarded_changes.get(file_id)
1232
old_entry = self._get_entry(self.source, file_id)
1233
new_entry = self._get_entry(self.target, file_id)
1234
result, changes = self._changes_from_entries(
1235
old_entry, new_entry)
1238
# Get this parents parent to examine.
1239
new_parent_id = result[4][1]
1240
precise_file_ids.add(new_parent_id)
1242
if (result[6][0] == 'directory' and
1243
result[6][1] != 'directory'):
1244
# This stopped being a directory, the old children have
1246
if old_entry is None:
1247
# Reusing a discarded change.
1248
old_entry = self._get_entry(self.source, file_id)
1249
for child in old_entry.children.values():
1250
precise_file_ids.add(child.file_id)
1251
changed_file_ids.add(result[0])
1255
1061
class MultiWalker(object):