anchor.diff:        [ cups additionalBackends cups_filters pkgs.ghostscript ]
         ++ optional cfg.gutenprint gutenprint
         ++ cfg.drivers;
  -    pathsToLink = [ "/lib/cups" "/share/cups" "/bin" "/etc/cups" ];
  +    pathsToLink = [ "/lib/cups" "/share/cups" "/bin" ];
       postBuild = cfg.bindirCmds;
       ignoreCollisions = true;
     };
  
positive.code: 
          preStart =
            ''
              mkdir -m 0755 -p /etc/cups
              mkdir -m 0700 -p /var/cache/cups
              mkdir -m 0700 -p /var/spool/cups
              mkdir -m 0755 -p ${cfg.tempDir}
              ${optionalString cfg.gutenprint ''
                ${gutenprint}/bin/cups-genppdupdate
              ''}
            '';
  
          restartTriggers =
            [ config.environment.etc."cups/cups-files.conf".source
              config.environment.etc."cups/cupsd.conf".source
            ];
        };
  
      systemd.services.cups-browsed = mkIf avahiEnabled
  
negative.code:       };
  
      environment.systemPackages = [ cups ] ++ optional polkitEnabled cups-pk-helper;
      environment.etc."cups".source = "/var/lib/cups";
  
      services.dbus.packages = [ cups ] ++ optional polkitEnabled cups-pk-helper;
  
  