sys/hardware/printing.nix


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{ config, lib, ... }:
with lib; let
  cfg = config.local.hardware.printing;
in
{
  options.local.hardware.printing = {
    enable = mkEnableOption "print and scan services";

    users = mkOption {
      type = with types; listOf str;
      default = [ ];
    };
  };

  config = mkIf cfg.enable {
    services.avahi = {
      enable = true;
      nssmdns4 = true;
      openFirewall = true;
    };

    hardware.sane.enable = true;
    services.printing.enable = true;

    users.users = listToAttrs (map
      (user: {
        name = user;
        value.extraGroups = [ "scanner" "lp" ];
      })
      cfg.users);
  };
}