nixos/seatd: init

- [hddfancontrol](https://github.com/desbma/hddfancontrol), a service to regulate fan speeds based on hard drive temperature. Available as [services.hddfancontrol](#opt-services.hddfancontrol.enable).

- [seatd](https://sr.ht/~kennylevinsen/seatd/), A minimal seat management daemon. Available as [services.seatd](#opt-services.seatd.enable).

- [GoToSocial](https://gotosocial.org/), an ActivityPub social network server, written in Golang. Available as [services.gotosocial](#opt-services.gotosocial.enable).

- [Castopod](https://castopod.org/), an open-source hosting platform made for podcasters who want to engage and interact with their audience. Available as [services.castopod](#opt-services.castopod.enable).

  ./services/desktops/pipewire/pipewire.nix

  ./services/desktops/pipewire/wireplumber.nix

  ./services/desktops/profile-sync-daemon.nix

  ./services/desktops/seatd.nix

  ./services/desktops/system-config-printer.nix

  ./services/desktops/system76-scheduler.nix

  ./services/desktops/telepathy.nix

{ config, lib, pkgs, ... }:

let

  cfg = config.services.seatd;

  inherit (lib) mkEnableOption mkOption mdDoc types;

in

{

  meta.maintainers = with lib.maintainers; [ sinanmohd ];

  options.services.seatd = {

    enable = mkEnableOption (mdDoc "seatd");

    user = mkOption {

      type = types.str;

      default = "root";

      description = mdDoc "User to own the seatd socket";

    };

    group = mkOption {

      type = types.str;

      default = "seat";

      description = mdDoc "Group to own the seatd socket";

    };

    logLevel = mkOption {

      type = types.enum [ "debug" "info" "error" "silent" ];

      default = "info";

      description = mdDoc "Logging verbosity";

    };

  };

  config = lib.mkIf cfg.enable {

    environment.systemPackages = with pkgs; [ seatd ];

    users.groups.seat = lib.mkIf (cfg.group == "seat") {};

    systemd.services.seatd = {

      description = "Seat management daemon";

      documentation = [ "man:seatd(1)" ];

      wantedBy = [ "multi-user.target" ];

      restartIfChanged = false;

      serviceConfig = {

        Type = "simple";

        ExecStart = "${pkgs.seatd.bin}/bin/seatd -u ${cfg.user} -g ${cfg.group} -l ${cfg.logLevel}";

        RestartSec = 1;

        Restart = "always";

      };

    };

  };

}