[PATCH v5 15/16] sequencer: use edit_todo_list() in complete_action()

@@ -4709,6 +4709,7 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
 	struct todo_list new_todo = TODO_LIST_INIT;
 	struct strbuf *buf = &todo_list->buf;
 	struct object_id oid;
+	int res;
 
 	get_oid(onto, &oid);
 	shortonto = find_unique_abbrev(&oid, DEFAULT_ABBREV);

@@ -4733,24 +4734,16 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
 		return error(_("nothing to do"));
 	}
 
-	if (todo_list_write_to_file(r, todo_list, todo_file,
-				    shortrevisions, shortonto, -1,
-				    flags | TODO_LIST_SHORTEN_IDS | TODO_LIST_APPEND_TODO_HELP))
-		return error_errno(_("could not write '%s'"), todo_file);
-
-	if (copy_file(rebase_path_todo_backup(), todo_file, 0666))
-		return error(_("could not copy '%s' to '%s'."), todo_file,
-			     rebase_path_todo_backup());
-
-	if (launch_sequence_editor(todo_file, &new_todo.buf, NULL)) {
+	res = edit_todo_list(r, todo_list, &new_todo, shortrevisions,
+			     shortonto, flags);
+	if (res == -1)
+		return -1;
+	else if (res == -2) {
 		apply_autostash(opts);
 		sequencer_remove_state(opts);
 
 		return -1;
-	}
-
-	strbuf_stripspace(&new_todo.buf, 1);
-	if (new_todo.buf.len == 0) {
+	} else if (res == -3) {
 		apply_autostash(opts);
 		sequencer_remove_state(opts);
 		todo_list_release(&new_todo);