188
188
# Perhaps should take a list of file-ids instead? Need to indicate any
189
189
# ids or names which were not found in the trees.
191
for file_id in old_tree:
192
if file_id in new_tree:
193
old_ie = old_inv[file_id]
194
new_ie = new_inv[file_id]
197
assert kind == new_ie.kind
199
assert kind in InventoryEntry.known_kinds, \
200
'invalid file kind %r' % kind
202
if kind == 'root_directory':
206
if (not is_inside_any(specific_files, old_inv.id2path(file_id))
207
and not is_inside_any(specific_files, new_inv.id2path(file_id))):
210
# temporary hack until all entries are populated before clients
212
old_path = old_inv.id2path(file_id)
213
new_path = new_inv.id2path(file_id)
214
old_ie._read_tree_state(old_path, old_tree)
215
new_ie._read_tree_state(new_path, new_tree)
216
text_modified, meta_modified = new_ie.detect_changes(old_ie)
218
# TODO: Can possibly avoid calculating path strings if the
219
# two files are unchanged and their names and parents are
220
# the same and the parents are unchanged all the way up.
221
# May not be worthwhile.
223
if (old_ie.name != new_ie.name
224
or old_ie.parent_id != new_ie.parent_id):
225
delta.renamed.append((old_path,
228
text_modified, meta_modified))
229
elif text_modified or meta_modified:
230
delta.modified.append((new_path, file_id, kind,
231
text_modified, meta_modified))
233
delta.unchanged.append((new_path, file_id, kind))
235
kind = old_inv.get_file_kind(file_id)
236
if kind == 'root_directory':
238
old_path = old_inv.id2path(file_id)
240
if not is_inside_any(specific_files, old_path):
242
delta.removed.append((old_path, file_id, kind))
244
mutter('start looking for new files')
245
for file_id in new_inv:
246
if file_id in old_inv or file_id not in new_tree:
248
kind = new_inv.get_file_kind(file_id)
249
if kind == 'root_directory':
251
new_path = new_inv.id2path(file_id)
253
if not is_inside_any(specific_files, new_path):
255
delta.added.append((new_path, file_id, kind))
191
old_files = old_tree.list_files()
192
new_files = new_tree.list_files()
203
except StopIteration:
204
return None, None, None, None, None
205
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
206
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
209
def check_matching(old_path, old_entry, new_path, new_entry):
210
"""We have matched up 2 file_ids, check for changes."""
211
assert old_entry.kind == new_entry.kind
213
if old_entry.kind == 'root_directory':
216
old_entry._read_tree_state(old_path, old_tree)
217
new_entry._read_tree_state(new_path, new_tree)
218
text_modified, meta_modified = new_entry.detect_changes(old_entry)
220
# Even though the files are at the same path, the parent ids
221
# changed, so apparently someone created a new path with the
222
# same name as the old one, and moved files into it.
223
# Weird, but still counts as a rename
224
if (old_entry.name != new_entry.name
225
or old_entry.parent_id != new_entry.parent_id):
226
delta.renamed.append((old_path,
228
old_entry.file_id, old_entry.kind,
229
text_modified, meta_modified))
230
elif text_modified or meta_modified:
231
delta.modified.append((new_path, new_entry.file_id, new_entry.kind,
232
text_modified, meta_modified))
234
delta.unchanged.append((new_path, new_entry.file_id, new_entry.kind))
237
def handle_old(path, entry):
238
"""old entry without a new entry match"""
239
if entry.file_id in added:
240
# Actually this is a rename, we found a new file_id earlier
241
# at a different location, so it is no-longer added
242
x_new_path, x_new_entry = added.pop(entry.file_id)
243
check_matching(path, entry, x_new_path, x_new_entry)
245
# We have an old_file_id which doesn't line up with a new_file_id
246
# So this file looks to be removed
247
assert entry.file_id not in removed
248
removed[entry.file_id] = path, entry
250
def handle_new(path, entry):
251
"""new entry without an old entry match"""
252
if entry.file_id in removed:
253
# We saw this file_id earlier at an old different location
254
# it is no longer removed, just renamed
255
x_old_path, x_old_entry = removed.pop(entry.file_id)
256
check_matching(x_old_path, x_old_entry, path, entry)
258
# We have a new file which does not match an old file
260
assert entry.file_id not in added
261
added[entry.file_id] = path, entry
263
while old_path or new_path:
264
# list_files() returns files in alphabetical path sorted order
265
if old_path == new_path:
266
if old_file_id == new_file_id:
267
# This is the common case, the files are in the same place
268
# check if there were any content changes
270
if old_file_id is None:
271
# We have 2 unversioned files, no deltas possible???
274
check_matching(old_path, old_entry, new_path, new_entry)
276
# The ids don't match, so we have to handle them both
278
if old_file_id is not None:
279
handle_old(old_path, old_entry)
281
if new_file_id is not None:
282
handle_new(new_path, new_entry)
284
# The two entries were at the same path, so increment both sides
285
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
286
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
287
elif new_path is None or (old_path is not None and old_path < new_path):
288
# Assume we don't match, only process old_path
289
if old_file_id is not None:
290
handle_old(old_path, old_entry)
291
# old_path came first, so increment it, trying to match up
292
old_path, old_class, old_kind, old_file_id, old_entry = get_next(old_files)
293
elif new_path is not None:
294
# new_path came first, so increment it, trying to match up
295
if new_file_id is not None:
296
handle_new(new_path, new_entry)
297
new_path, new_class, new_kind, new_file_id, new_entry = get_next(new_files)
299
# Now we have a set of added and removed files, mark them all
300
for old_path, old_entry in removed.itervalues():
301
delta.removed.append((old_path, old_entry.file_id, old_entry.kind))
302
for new_path, new_entry in added.itervalues():
303
delta.added.append((new_path, new_entry.file_id, new_entry.kind))
257
305
delta.removed.sort()
258
306
delta.added.sort()
259
307
delta.renamed.sort()