218
223
def path_content_summary(self, path):
219
224
"""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.)
221
229
:param path: A relative path within the tree.
222
230
:return: A tuple containing kind, size, exec, sha1-or-link.
223
231
Kind is always present (see tree.kind()).
224
size is present if kind is file, None otherwise.
232
size is present if kind is file and the size of the
233
canonical form can be cheaply determined, None otherwise.
225
234
exec is None unless kind is file and the platform supports the 'x'
227
236
sha1-or-link is the link target if kind is symlink, or the sha1 if
844
852
will pass through to InterTree as appropriate.
855
# Formats that will be used to test this InterTree. If both are
856
# None, this InterTree will not be tested (e.g. because a complex
858
_matching_from_tree_format = None
859
_matching_to_tree_format = None
863
def _changes_from_entries(self, source_entry, target_entry,
864
source_path=None, target_path=None):
865
"""Generate a iter_changes tuple between source_entry and target_entry.
867
:param source_entry: An inventory entry from self.source, or None.
868
:param target_entry: An inventory entry from self.target, or None.
869
:param source_path: The path of source_entry, if known. If not known
870
it will be looked up.
871
:param target_path: The path of target_entry, if known. If not known
872
it will be looked up.
873
:return: A tuple, item 0 of which is an iter_changes result tuple, and
874
item 1 is True if there are any changes in the result tuple.
876
if source_entry is None:
877
if target_entry is None:
879
file_id = target_entry.file_id
881
file_id = source_entry.file_id
882
if source_entry is not None:
883
source_versioned = True
884
source_name = source_entry.name
885
source_parent = source_entry.parent_id
886
if source_path is None:
887
source_path = self.source.id2path(file_id)
888
source_kind, source_executable, source_stat = \
889
self.source._comparison_data(source_entry, source_path)
891
source_versioned = False
895
source_executable = None
896
if target_entry is not None:
897
target_versioned = True
898
target_name = target_entry.name
899
target_parent = target_entry.parent_id
900
if target_path is None:
901
target_path = self.target.id2path(file_id)
902
target_kind, target_executable, target_stat = \
903
self.target._comparison_data(target_entry, target_path)
905
target_versioned = False
909
target_executable = None
910
versioned = (source_versioned, target_versioned)
911
kind = (source_kind, target_kind)
912
changed_content = False
913
if source_kind != target_kind:
914
changed_content = True
915
elif source_kind == 'file':
916
if (self.source.get_file_sha1(file_id, source_path, source_stat) !=
917
self.target.get_file_sha1(file_id, target_path, target_stat)):
918
changed_content = True
919
elif source_kind == 'symlink':
920
if (self.source.get_symlink_target(file_id) !=
921
self.target.get_symlink_target(file_id)):
922
changed_content = True
923
# XXX: Yes, the indentation below is wrong. But fixing it broke
924
# test_merge.TestMergerEntriesLCAOnDisk.
925
# test_nested_tree_subtree_renamed_and_modified. We'll wait for
926
# the fix from bzr.dev -- vila 2009026
927
elif source_kind == 'tree-reference':
928
if (self.source.get_reference_revision(file_id, source_path)
929
!= self.target.get_reference_revision(file_id, target_path)):
930
changed_content = True
931
parent = (source_parent, target_parent)
932
name = (source_name, target_name)
933
executable = (source_executable, target_executable)
934
if (changed_content is not False or versioned[0] != versioned[1]
935
or parent[0] != parent[1] or name[0] != name[1] or
936
executable[0] != executable[1]):
940
return (file_id, (source_path, target_path), changed_content,
941
versioned, parent, name, kind, executable), changes
850
944
def compare(self, want_unchanged=False, specific_files=None,
851
945
extra_trees=None, require_versioned=False, include_root=False,
946
1056
# can be extras. So the fake_entry is solely used to look up
947
1057
# executable it values when execute is not supported.
948
1058
fake_entry = InventoryFile('unused', 'unused', 'unused')
949
for to_path, to_entry in to_entries_by_dir:
950
while all_unversioned and all_unversioned[0][0] < to_path.split('/'):
1059
for target_path, target_entry in to_entries_by_dir:
1060
while (all_unversioned and
1061
all_unversioned[0][0] < target_path.split('/')):
951
1062
unversioned_path = all_unversioned.popleft()
952
to_kind, to_executable, to_stat = \
1063
target_kind, target_executable, target_stat = \
953
1064
self.target._comparison_data(fake_entry, unversioned_path[1])
954
1065
yield (None, (None, unversioned_path[1]), True, (False, False),
956
1067
(None, unversioned_path[0][-1]),
958
(None, to_executable))
959
file_id = to_entry.file_id
960
to_paths[file_id] = to_path
1068
(None, target_kind),
1069
(None, target_executable))
1070
source_path, source_entry = from_data.get(target_entry.file_id,
1072
result, changes = self._changes_from_entries(source_entry,
1073
target_entry, source_path=source_path, target_path=target_path)
1074
to_paths[result[0]] = result[1][1]
961
1075
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)
971
1077
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)
1003
1078
if pb is not None:
1004
1079
pb.update('comparing files', entry_count, num_entries)
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)
1080
if changes or include_unchanged:
1081
if specific_file_ids is not None:
1082
new_parent_id = result[4][1]
1083
precise_file_ids.add(new_parent_id)
1084
changed_file_ids.append(result[0])
1086
# Ensure correct behaviour for reparented/added specific files.
1087
if specific_files is not None:
1088
# Record output dirs
1089
if result[6][1] == 'directory':
1090
seen_dirs.add(result[0])
1091
# Record parents of reparented/added entries.
1092
versioned = result[3]
1094
if not versioned[0] or parents[0] != parents[1]:
1095
seen_parents.add(parents[1])
1011
1096
while all_unversioned:
1012
1097
# yield any trailing unversioned paths
1013
1098
unversioned_path = all_unversioned.popleft()
1018
1103
(None, unversioned_path[0][-1]),
1019
1104
(None, to_kind),
1020
1105
(None, to_executable))
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
1106
# Yield all remaining source paths
1034
1107
for path, from_entry in from_entries_by_dir:
1035
1108
file_id = from_entry.file_id
1036
1109
if file_id in to_paths:
1037
1110
# already returned
1039
if not file_id in self.target.all_file_ids():
1112
if file_id not in self.target.all_file_ids():
1040
1113
# common case - paths we have not emitted are not present in
1044
to_path = get_to_path(self.target.inventory[file_id])
1117
to_path = self.target.id2path(file_id)
1045
1118
entry_count += 1
1046
1119
if pb is not None:
1047
1120
pb.update('comparing files', entry_count, num_entries)
1054
1127
executable = (from_executable, None)
1055
1128
changed_content = from_kind is not None
1056
1129
# the parent's path is necessarily known at this point.
1130
changed_file_ids.append(file_id)
1057
1131
yield(file_id, (path, to_path), changed_content, versioned, parent,
1058
1132
name, kind, executable)
1133
changed_file_ids = set(changed_file_ids)
1134
if specific_file_ids is not None:
1135
for result in self._handle_precise_ids(precise_file_ids,
1139
def _get_entry(self, tree, file_id):
1140
"""Get an inventory entry from a tree, with missing entries as None.
1142
If the tree raises NotImplementedError on accessing .inventory, then
1143
this is worked around using iter_entries_by_dir on just the file id
1146
:param tree: The tree to lookup the entry in.
1147
:param file_id: The file_id to lookup.
1150
inventory = tree.inventory
1151
except NotImplementedError:
1152
# No inventory available.
1154
iterator = tree.iter_entries_by_dir(specific_file_ids=[file_id])
1155
return iterator.next()[1]
1156
except StopIteration:
1160
return inventory[file_id]
1161
except errors.NoSuchId:
1164
def _handle_precise_ids(self, precise_file_ids, changed_file_ids,
1165
discarded_changes=None):
1166
"""Fill out a partial iter_changes to be consistent.
1168
:param precise_file_ids: The file ids of parents that were seen during
1170
:param changed_file_ids: The file ids of already emitted items.
1171
:param discarded_changes: An optional dict of precalculated
1172
iter_changes items which the partial iter_changes had not output
1174
:return: A generator of iter_changes items to output.
1176
# process parents of things that had changed under the users
1177
# requested paths to prevent incorrect paths or parent ids which
1178
# aren't in the tree.
1179
while precise_file_ids:
1180
precise_file_ids.discard(None)
1181
# Don't emit file_ids twice
1182
precise_file_ids.difference_update(changed_file_ids)
1183
if not precise_file_ids:
1185
# If the there was something at a given output path in source, we
1186
# have to include the entry from source in the delta, or we would
1187
# be putting this entry into a used path.
1189
for parent_id in precise_file_ids:
1191
paths.append(self.target.id2path(parent_id))
1192
except errors.NoSuchId:
1193
# This id has been dragged in from the source by delta
1194
# expansion and isn't present in target at all: we don't
1195
# need to check for path collisions on it.
1198
old_id = self.source.path2id(path)
1199
precise_file_ids.add(old_id)
1200
precise_file_ids.discard(None)
1201
current_ids = precise_file_ids
1202
precise_file_ids = set()
1203
# We have to emit all of precise_file_ids that have been altered.
1204
# We may have to output the children of some of those ids if any
1205
# directories have stopped being directories.
1206
for file_id in current_ids:
1208
if discarded_changes:
1209
result = discarded_changes.get(file_id)
1214
old_entry = self._get_entry(self.source, file_id)
1215
new_entry = self._get_entry(self.target, file_id)
1216
result, changes = self._changes_from_entries(
1217
old_entry, new_entry)
1220
# Get this parents parent to examine.
1221
new_parent_id = result[4][1]
1222
precise_file_ids.add(new_parent_id)
1224
if (result[6][0] == 'directory' and
1225
result[6][1] != 'directory'):
1226
# This stopped being a directory, the old children have
1228
if old_entry is None:
1229
# Reusing a discarded change.
1230
old_entry = self._get_entry(self.source, file_id)
1231
for child in old_entry.children.values():
1232
precise_file_ids.add(child.file_id)
1233
changed_file_ids.add(result[0])
1061
1237
class MultiWalker(object):