if (active_cache_changed
|| !cache_tree_fully_valid(active_cache_tree))
update_main_cache_tree(WRITE_TREE_SILENT);
- if (active_cache_changed) {
- if (write_locked_index(&the_index, &index_lock,
- COMMIT_LOCK))
- die(_("unable to write new_index file"));
- } else {
- rollback_lock_file(&index_lock);
- }
+ if (write_locked_index(&the_index, &index_lock,
+ COMMIT_LOCK | SKIP_IF_UNCHANGED))
+ die(_("unable to write new_index file"));
commit_style = COMMIT_AS_IS;
ret = get_index_file();
goto out;