case 'o': fn_out = strdup(optarg); break;
case 'u': assert(is_bamout == 1); compress_level = 0; break;
case '1': assert(is_bamout == 1); compress_level = 1; break;
- case 'T': fn_ref = strdup(optarg); is_bamin = 0; break;
+ case 'T': fn_ref = strdup(optarg); break;
case '?': is_long_help = 1; break;
default: return usage(is_long_help);
}