1556
1556
tree = WorkingTree.open_containing(dir)[0]
1557
1557
self.add_cleanup(tree.lock_read().unlock)
1559
1559
old_tree = tree.basis_tree()
1560
1560
self.add_cleanup(old_tree.lock_read().unlock)
1563
1563
iterator = tree.iter_changes(old_tree, include_unchanged=True)
1564
1564
for f, paths, c, v, p, n, k, e in iterator: