218
222
def path_content_summary(self, path):
219
223
"""Get a summary of the information about path.
225
All the attributes returned are for the canonical form, not the
226
convenient form (if content filters are in use.)
221
228
:param path: A relative path within the tree.
222
229
:return: A tuple containing kind, size, exec, sha1-or-link.
223
230
Kind is always present (see tree.kind()).
224
size is present if kind is file, None otherwise.
231
size is present if kind is file and the size of the
232
canonical form can be cheaply determined, None otherwise.
225
233
exec is None unless kind is file and the platform supports the 'x'
227
235
sha1-or-link is the link target if kind is symlink, or the sha1 if
844
851
will pass through to InterTree as appropriate.
854
# Formats that will be used to test this InterTree. If both are
855
# None, this InterTree will not be tested (e.g. because a complex
857
_matching_from_tree_format = None
858
_matching_to_tree_format = None
862
def _changes_from_entries(self, source_entry, target_entry,
863
source_path=None, target_path=None):
864
"""Generate a iter_changes tuple between source_entry and target_entry.
866
:param source_entry: An inventory entry from self.source, or None.
867
:param target_entry: An inventory entry from self.target, or None.
868
:param source_path: The path of source_entry, if known. If not known
869
it will be looked up.
870
:param target_path: The path of target_entry, if known. If not known
871
it will be looked up.
872
:return: A tuple, item 0 of which is an iter_changes result tuple, and
873
item 1 is True if there are any changes in the result tuple.
875
if source_entry is None:
876
if target_entry is None:
878
file_id = target_entry.file_id
880
file_id = source_entry.file_id
881
if source_entry is not None:
882
source_versioned = True
883
source_name = source_entry.name
884
source_parent = source_entry.parent_id
885
if source_path is None:
886
source_path = self.source.id2path(file_id)
887
source_kind, source_executable, source_stat = \
888
self.source._comparison_data(source_entry, source_path)
890
source_versioned = False
894
source_executable = None
895
if target_entry is not None:
896
target_versioned = True
897
target_name = target_entry.name
898
target_parent = target_entry.parent_id
899
if target_path is None:
900
target_path = self.target.id2path(file_id)
901
target_kind, target_executable, target_stat = \
902
self.target._comparison_data(target_entry, target_path)
904
target_versioned = False
908
target_executable = None
909
versioned = (source_versioned, target_versioned)
910
kind = (source_kind, target_kind)
911
changed_content = False
912
if source_kind != target_kind:
913
changed_content = True
914
elif source_kind == 'file':
915
if (self.source.get_file_sha1(file_id, source_path, source_stat) !=
916
self.target.get_file_sha1(file_id, target_path, target_stat)):
917
changed_content = True
918
elif source_kind == 'symlink':
919
if (self.source.get_symlink_target(file_id) !=
920
self.target.get_symlink_target(file_id)):
921
changed_content = True
922
# XXX: Yes, the indentation below is wrong. But fixing it broke
923
# test_merge.TestMergerEntriesLCAOnDisk.
924
# test_nested_tree_subtree_renamed_and_modified. We'll wait for
925
# the fix from bzr.dev -- vila 2009026
926
elif source_kind == 'tree-reference':
927
if (self.source.get_reference_revision(file_id, source_path)
928
!= self.target.get_reference_revision(file_id, target_path)):
929
changed_content = True
930
parent = (source_parent, target_parent)
931
name = (source_name, target_name)
932
executable = (source_executable, target_executable)
933
if (changed_content is not False or versioned[0] != versioned[1]
934
or parent[0] != parent[1] or name[0] != name[1] or
935
executable[0] != executable[1]):
939
return (file_id, (source_path, target_path), changed_content,
940
versioned, parent, name, kind, executable), changes
850
943
def compare(self, want_unchanged=False, specific_files=None,
851
944
extra_trees=None, require_versioned=False, include_root=False,
946
1055
# can be extras. So the fake_entry is solely used to look up
947
1056
# executable it values when execute is not supported.
948
1057
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('/'):
1058
for target_path, target_entry in to_entries_by_dir:
1059
while (all_unversioned and
1060
all_unversioned[0][0] < target_path.split('/')):
951
1061
unversioned_path = all_unversioned.popleft()
952
to_kind, to_executable, to_stat = \
1062
target_kind, target_executable, target_stat = \
953
1063
self.target._comparison_data(fake_entry, unversioned_path[1])
954
1064
yield (None, (None, unversioned_path[1]), True, (False, False),
956
1066
(None, unversioned_path[0][-1]),
958
(None, to_executable))
959
file_id = to_entry.file_id
960
to_paths[file_id] = to_path
1067
(None, target_kind),
1068
(None, target_executable))
1069
source_path, source_entry = from_data.get(target_entry.file_id,
1071
result, changes = self._changes_from_entries(source_entry,
1072
target_entry, source_path=source_path, target_path=target_path)
1073
to_paths[result[0]] = result[1][1]
961
1074
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
1076
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
1077
if pb is not None:
1004
1078
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)
1079
if changes or include_unchanged:
1080
if specific_file_ids is not None:
1081
new_parent_id = result[4][1]
1082
precise_file_ids.add(new_parent_id)
1083
changed_file_ids.append(result[0])
1085
# Ensure correct behaviour for reparented/added specific files.
1086
if specific_files is not None:
1087
# Record output dirs
1088
if result[6][1] == 'directory':
1089
seen_dirs.add(result[0])
1090
# Record parents of reparented/added entries.
1091
versioned = result[3]
1093
if not versioned[0] or parents[0] != parents[1]:
1094
seen_parents.add(parents[1])
1011
1095
while all_unversioned:
1012
1096
# yield any trailing unversioned paths
1013
1097
unversioned_path = all_unversioned.popleft()
1018
1102
(None, unversioned_path[0][-1]),
1019
1103
(None, to_kind),
1020
1104
(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
1105
# Yield all remaining source paths
1034
1106
for path, from_entry in from_entries_by_dir:
1035
1107
file_id = from_entry.file_id
1036
1108
if file_id in to_paths:
1037
1109
# already returned
1039
if not file_id in self.target.all_file_ids():
1111
if file_id not in self.target.all_file_ids():
1040
1112
# common case - paths we have not emitted are not present in
1044
to_path = get_to_path(self.target.inventory[file_id])
1116
to_path = self.target.id2path(file_id)
1045
1117
entry_count += 1
1046
1118
if pb is not None:
1047
1119
pb.update('comparing files', entry_count, num_entries)
1054
1126
executable = (from_executable, None)
1055
1127
changed_content = from_kind is not None
1056
1128
# the parent's path is necessarily known at this point.
1129
changed_file_ids.append(file_id)
1057
1130
yield(file_id, (path, to_path), changed_content, versioned, parent,
1058
1131
name, kind, executable)
1132
changed_file_ids = set(changed_file_ids)
1133
if specific_file_ids is not None:
1134
for result in self._handle_precise_ids(precise_file_ids,
1138
def _get_entry(self, tree, file_id):
1139
"""Get an inventory entry from a tree, with missing entries as None.
1141
If the tree raises NotImplementedError on accessing .inventory, then
1142
this is worked around using iter_entries_by_dir on just the file id
1145
:param tree: The tree to lookup the entry in.
1146
:param file_id: The file_id to lookup.
1149
inventory = tree.inventory
1150
except NotImplementedError:
1151
# No inventory available.
1153
iterator = tree.iter_entries_by_dir(specific_file_ids=[file_id])
1154
return iterator.next()[1]
1155
except StopIteration:
1159
return inventory[file_id]
1160
except errors.NoSuchId:
1163
def _handle_precise_ids(self, precise_file_ids, changed_file_ids,
1164
discarded_changes=None):
1165
"""Fill out a partial iter_changes to be consistent.
1167
:param precise_file_ids: The file ids of parents that were seen during
1169
:param changed_file_ids: The file ids of already emitted items.
1170
:param discarded_changes: An optional dict of precalculated
1171
iter_changes items which the partial iter_changes had not output
1173
:return: A generator of iter_changes items to output.
1175
# process parents of things that had changed under the users
1176
# requested paths to prevent incorrect paths or parent ids which
1177
# aren't in the tree.
1178
while precise_file_ids:
1179
precise_file_ids.discard(None)
1180
# Don't emit file_ids twice
1181
precise_file_ids.difference_update(changed_file_ids)
1182
if not precise_file_ids:
1184
# If the there was something at a given output path in source, we
1185
# have to include the entry from source in the delta, or we would
1186
# be putting this entry into a used path.
1188
for parent_id in precise_file_ids:
1190
paths.append(self.target.id2path(parent_id))
1191
except errors.NoSuchId:
1192
# This id has been dragged in from the source by delta
1193
# expansion and isn't present in target at all: we don't
1194
# need to check for path collisions on it.
1197
old_id = self.source.path2id(path)
1198
precise_file_ids.add(old_id)
1199
precise_file_ids.discard(None)
1200
current_ids = precise_file_ids
1201
precise_file_ids = set()
1202
# We have to emit all of precise_file_ids that have been altered.
1203
# We may have to output the children of some of those ids if any
1204
# directories have stopped being directories.
1205
for file_id in current_ids:
1207
if discarded_changes:
1208
result = discarded_changes.get(file_id)
1213
old_entry = self._get_entry(self.source, file_id)
1214
new_entry = self._get_entry(self.target, file_id)
1215
result, changes = self._changes_from_entries(
1216
old_entry, new_entry)
1219
# Get this parents parent to examine.
1220
new_parent_id = result[4][1]
1221
precise_file_ids.add(new_parent_id)
1223
if (result[6][0] == 'directory' and
1224
result[6][1] != 'directory'):
1225
# This stopped being a directory, the old children have
1227
if old_entry is None:
1228
# Reusing a discarded change.
1229
old_entry = self._get_entry(self.source, file_id)
1230
for child in old_entry.children.values():
1231
precise_file_ids.add(child.file_id)
1232
changed_file_ids.add(result[0])
1061
1236
class MultiWalker(object):