634
634
old_path = self.root_transport.abspath('.bzr')
635
635
backup_dir = self._available_backup_name('backup.bzr')
636
636
new_path = self.root_transport.abspath(backup_dir)
639
640
self.root_transport.copy_tree('.bzr', backup_dir)
640
641
return (old_path, new_path)