- for (i = 0; i < argc; i++) {
- if (strcmp (argv[i], "--") == 0) {
- i++;
- break;
- }
- if (argv[i][0] == '+' || argv[i][0] == '-') {
- if (argv[i][0] == '+' && argv[i][1] == '\0') {
- fprintf (stderr, "Error: tag names cannot be empty.\n");
- return 1;
- }
- if (argv[i][0] == '+' && argv[i][1] == '-') {
- /* This disallows adding the non-removable tag "-" and
- * enables notmuch tag to take long options in the
- * future. */
- fprintf (stderr, "Error: tag names must not start with '-'.\n");
- return 1;
- }
- tag_ops[tag_ops_count].tag = argv[i] + 1;
- tag_ops[tag_ops_count].remove = (argv[i][0] == '-');
- tag_ops_count++;
- } else {
- break;
- }
- }
-
- tag_ops[tag_ops_count].tag = NULL;
-
- if (tag_ops_count == 0) {
- fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to add or remove.\n");
- return 1;
- }
-
- query_string = query_string_from_args (ctx, argc - i, &argv[i]);
-
- if (*query_string == '\0') {
- fprintf (stderr, "Error: notmuch tag requires at least one search term.\n");
+ if (parse_tag_command_line (ctx, argc - 1, argv + 1,
+ &query_string, tag_ops))