208
209
specific_files=specific_files)
210
211
for path, file_id, kind in delta.removed:
211
print >>to_file, '=== removed %s %r' % (kind, path)
212
old_tree.inventory[file_id].diff(diff_file, old_label + path, old_tree,
213
DEVNULL, None, None, to_file)
212
print '*** removed %s %r' % (kind, path)
214
diff_file(old_label + path,
215
old_tree.get_file(file_id).readlines(),
214
220
for path, file_id, kind in delta.added:
215
print >>to_file, '=== added %s %r' % (kind, path)
216
new_tree.inventory[file_id].diff(diff_file, new_label + path, new_tree,
217
DEVNULL, None, None, to_file,
219
for (old_path, new_path, file_id, kind,
220
text_modified, meta_modified) in delta.renamed:
221
prop_str = get_prop_change(meta_modified)
222
print >>to_file, '=== renamed %s %r => %r%s' % (
223
kind, old_path, new_path, prop_str)
224
_maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
225
new_label, new_path, new_tree,
226
text_modified, kind, to_file, diff_file)
227
for path, file_id, kind, text_modified, meta_modified in delta.modified:
228
prop_str = get_prop_change(meta_modified)
229
print >>to_file, '=== modified %s %r%s' % (kind, path, prop_str)
221
print '*** added %s %r' % (kind, path)
226
new_tree.get_file(file_id).readlines(),
229
for old_path, new_path, file_id, kind, text_modified in delta.renamed:
230
print '*** renamed %s %r => %r' % (kind, old_path, new_path)
230
231
if text_modified:
231
_maybe_diff_file_or_symlink(old_label, path, old_tree, file_id,
232
new_label, path, new_tree,
233
True, kind, to_file, diff_file)
232
diff_file(old_label + old_path,
233
old_tree.get_file(file_id).readlines(),
234
new_label + new_path,
235
new_tree.get_file(file_id).readlines(),
238
for path, file_id, kind in delta.modified:
239
print '*** modified %s %r' % (kind, path)
241
diff_file(old_label + path,
242
old_tree.get_file(file_id).readlines(),
244
new_tree.get_file(file_id).readlines(),
249
class TreeDelta(object):
250
"""Describes changes from one tree to another.
259
(oldpath, newpath, id, kind, text_modified)
265
Each id is listed only once.
267
Files that are both modified and renamed are listed only in
268
renamed, with the text_modified flag true.
270
The lists are normally sorted when the delta is created.
279
def has_changed(self):
280
changes = len(self.added) + len(self.removed) + len(self.renamed)
281
changes += len(self.modified)
282
return (changes != 0)
284
def touches_file_id(self, file_id):
285
"""Return True if file_id is modified by this delta."""
286
for l in self.added, self.removed, self.modified:
290
for v in self.renamed:
296
def show(self, to_file, show_ids=False, show_unchanged=False):
297
def show_list(files):
298
for path, fid, kind in files:
299
if kind == 'directory':
301
elif kind == 'symlink':
305
print >>to_file, ' %-30s %s' % (path, fid)
307
print >>to_file, ' ', path
310
print >>to_file, 'removed:'
311
show_list(self.removed)
314
print >>to_file, 'added:'
315
show_list(self.added)
318
print >>to_file, 'renamed:'
319
for oldpath, newpath, fid, kind, text_modified in self.renamed:
321
print >>to_file, ' %s => %s %s' % (oldpath, newpath, fid)
323
print >>to_file, ' %s => %s' % (oldpath, newpath)
326
print >>to_file, 'modified:'
327
show_list(self.modified)
329
if show_unchanged and self.unchanged:
330
print >>to_file, 'unchanged:'
331
show_list(self.unchanged)
335
def compare_trees(old_tree, new_tree, want_unchanged, specific_files=None):
336
"""Describe changes from one tree to another.
338
Returns a TreeDelta with details of added, modified, renamed, and
341
The root entry is specifically exempt.
343
This only considers versioned files.
346
If true, also list files unchanged from one version to
350
If true, only check for changes to specified names or
354
from osutils import is_inside_any
236
def get_prop_change(meta_modified):
238
return " (properties changed)"
243
def _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
244
new_label, new_path, new_tree, text_modified,
245
kind, to_file, diff_file):
247
new_entry = new_tree.inventory[file_id]
248
old_tree.inventory[file_id].diff(diff_file,
249
old_label + old_path, old_tree,
250
new_label + new_path, new_entry,
356
old_inv = old_tree.inventory
357
new_inv = new_tree.inventory
359
mutter('start compare_trees')
361
# TODO: match for specific files can be rather smarter by finding
362
# the IDs of those files up front and then considering only that.
364
for file_id in old_tree:
365
if file_id in new_tree:
366
kind = old_inv.get_file_kind(file_id)
367
assert kind == new_inv.get_file_kind(file_id)
369
assert kind in ('file', 'directory', 'symlink', 'root_directory'), \
370
'invalid file kind %r' % kind
372
if kind == 'root_directory':
375
old_path = old_inv.id2path(file_id)
376
new_path = new_inv.id2path(file_id)
379
if (not is_inside_any(specific_files, old_path)
380
and not is_inside_any(specific_files, new_path)):
384
old_sha1 = old_tree.get_file_sha1(file_id)
385
new_sha1 = new_tree.get_file_sha1(file_id)
386
text_modified = (old_sha1 != new_sha1)
388
## mutter("no text to check for %r %r" % (file_id, kind))
389
text_modified = False
391
# TODO: Can possibly avoid calculating path strings if the
392
# two files are unchanged and their names and parents are
393
# the same and the parents are unchanged all the way up.
394
# May not be worthwhile.
396
if old_path != new_path:
397
delta.renamed.append((old_path, new_path, file_id, kind,
400
delta.modified.append((new_path, file_id, kind))
402
delta.unchanged.append((new_path, file_id, kind))
404
kind = old_inv.get_file_kind(file_id)
405
old_path = old_inv.id2path(file_id)
407
if not is_inside_any(specific_files, old_path):
409
delta.removed.append((old_path, file_id, kind))
411
mutter('start looking for new files')
412
for file_id in new_inv:
413
if file_id in old_inv:
415
new_path = new_inv.id2path(file_id)
417
if not is_inside_any(specific_files, new_path):
419
kind = new_inv.get_file_kind(file_id)
420
delta.added.append((new_path, file_id, kind))
425
delta.modified.sort()
426
delta.unchanged.sort()