427
458
return delta._compare_trees(self.source, self.target, want_unchanged,
428
459
specific_file_ids, include_root)
461
def _iter_changes(self, from_tree, to_tree, include_unchanged,
462
specific_file_ids, pb):
463
"""Generate an iterator of changes between trees.
466
(file_id, path, changed_content, versioned, parent, name, kind,
469
Path is relative to the to_tree. changed_content is True if the file's
470
content has changed. This includes changes to its kind, and to
473
versioned, parent, name, kind, executable are tuples of (from, to).
474
If a file is missing in a tree, its kind is None.
476
Iteration is done in parent-to-child order, relative to the to_tree.
479
from_entries_by_dir = list(from_tree.inventory.iter_entries_by_dir())
480
from_data = dict((e.file_id, (p, e)) for p, e in from_entries_by_dir)
481
to_entries_by_dir = list(to_tree.inventory.iter_entries_by_dir())
482
if specific_file_ids is not None:
483
specific_file_ids = set(specific_file_ids)
484
num_entries = len(specific_file_ids)
486
num_entries = len(from_entries_by_dir) + len(to_entries_by_dir)
488
for to_path, to_entry in to_entries_by_dir:
489
file_id = to_entry.file_id
490
to_paths[file_id] = to_path
491
if (specific_file_ids is not None and
492
file_id not in specific_file_ids):
495
changed_content = False
496
from_path, from_entry = from_data.get(file_id, (None, None))
497
from_versioned = (from_entry is not None)
498
if from_entry is not None:
499
from_versioned = True
500
from_name = from_entry.name
501
from_parent = from_entry.parent_id
502
from_kind, from_executable, from_stat = \
503
from_tree._comparison_data(from_entry, from_path)
504
if specific_file_ids is None:
507
from_versioned = False
511
from_executable = None
512
versioned = (from_versioned, True)
513
to_kind, to_executable, to_stat = \
514
to_tree._comparison_data(to_entry, to_path)
515
kind = (from_kind, to_kind)
516
if kind[0] != kind[1]:
517
changed_content = True
518
elif from_kind == 'file':
519
from_size = from_tree._file_size(from_entry, from_stat)
520
to_size = to_tree._file_size(to_entry, to_stat)
521
if from_size != to_size:
522
changed_content = True
523
elif (from_tree.get_file_sha1(file_id, from_path, from_stat) !=
524
to_tree.get_file_sha1(file_id, to_path, to_stat)):
525
changed_content = True
526
elif from_kind == 'symlink':
527
if (from_tree.get_symlink_target(file_id) !=
528
to_tree.get_symlink_target(file_id)):
529
changed_content = True
530
parent = (from_parent, to_entry.parent_id)
531
name = (from_name, to_entry.name)
532
executable = (from_executable, to_executable)
534
pb.update('comparing files', entry_count, num_entries)
535
if (changed_content is not False or versioned[0] != versioned[1]
536
or parent[0] != parent[1] or name[0] != name[1] or
537
executable[0] != executable[1] or include_unchanged):
538
yield (file_id, to_path, changed_content, versioned, parent,
539
name, kind, executable)
541
for path, from_entry in from_entries_by_dir:
542
file_id = from_entry.file_id
543
if file_id in to_paths:
545
if from_entry.parent_id is None:
548
to_path = osutils.pathjoin(to_paths[from_entry.parent_id],
550
to_paths[file_id] = to_path
551
if (specific_file_ids is not None and
552
file_id not in specific_file_ids):
556
pb.update('comparing files', entry_count, num_entries)
557
versioned = (True, False)
558
parent = (from_entry.parent_id, None)
559
name = (from_entry.name, None)
560
from_kind, from_executable, stat_value = \
561
from_tree._comparison_data(from_entry, path)
562
kind = (from_kind, None)
563
executable = (from_executable, None)
564
changed_content = True
565
# the parent's path is necessarily known at this point.
566
yield(file_id, to_path, changed_content, versioned, parent,
567
name, kind, executable)
431
570
# This was deprecated before 0.12, but did not have an official warning
432
571
@symbol_versioning.deprecated_function(symbol_versioning.zero_twelve)