os/modules/printing/default.nix

{
  lib,
  config,
  pkgs,
  ...
}:
with lib; let
  psCfg = config.pub-solar;
  cfg = config.pub-solar.printing;
in {
  options.pub-solar.printing = {
    enable = mkEnableOption "CUPSSSss";
  };

  config = mkIf cfg.enable {
    nixpkgs.config.allowUnfree = true;
    services.avahi.enable = true;
    services.avahi.nssmdns = true;
    services.avahi.publish.enable = true;
    services.avahi.publish.userServices = true;
    services.printing.enable = true;
    services.printing.browsing = true;
    services.printing.listenAddresses = ["localhost:631"];
    services.printing.allowFrom = ["all"];
    services.printing.defaultShared = false;
    services.printing.drivers = [
      pkgs.gutenprint
    ];
    hardware.sane = {
      enable = true;
      brscan4.enable = true;
    };
  };
}