systemd-ask-password -V (return code: 1)
systemd-ask-password: unrecognized option '--version'
systemd-ask-password --help (return code: 0)
systemd-ask-password [OPTIONS...] MESSAGE
Query the user for a system passphrase, via the TTY or an UI agent.
-h --help Show this help
--icon=NAME Icon name
--id=ID Query identifier (e.g. "cryptsetup:/dev/sda5")
--keyname=NAME Kernel key name for caching passwords (e.g. "cryptsetup")
--timeout=SEC Timeout in seconds
--echo Do not mask input (useful for usernames)
--no-tty Ask question via agent even on TTY
--accept-cached Accept cached passwords
--multiple List multiple passwords if available