{"backup-dir", 0, POPT_ARG_STRING, &backup_dir},
{"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links},
{"read-batch", 'f', POPT_ARG_STRING, &batch_ext, 'f'},
{"write-batch", 'F', POPT_ARG_NONE, &write_batch, 0},
{"backup-dir", 0, POPT_ARG_STRING, &backup_dir},
{"hard-links", 'H', POPT_ARG_NONE, &preserve_hard_links},
{"read-batch", 'f', POPT_ARG_STRING, &batch_ext, 'f'},
{"write-batch", 'F', POPT_ARG_NONE, &write_batch, 0},