The virtual console (tty) that greetd should use

Whether to enable greetd, a minimal and flexible login manager daemon.

The greetd package to use.

greetd configuration (documentation) as a Nix attribute set.

Whether to restart greetd when it terminates (e.g. on failure)

Whether the greeter uses text-based user interfaces (For example, tuigreet)

Enable ReGreet, a clean and customizable greeter for greetd