Useful in case the script can't prompt using `rofi`.
This is the idiomatic style in nixpkgs.
This makes use of 'keyutils' which only works on Linux.
Until `rbw` gets support for Yubikey 2FA, I still need a decent way to query for my passwords on the command line... This wrapper program should be good enough for basic usage with programs that need a password command.
Bruno BELANYI