anchor.diff:          ServerRoot /etc/cups
   
           ServerBin ${bindir}/lib/cups
  +        DataDir ${bindir}/share/cups
   
           AccessLog ${logDir}/access_log
           ErrorLog ${logDir}/error_log
  
positive.code:         description = ''
            The contents of the configuration file of the CUPS daemon
            (<filename>cupsd.conf</filename>).
          '';
        };
  
  
negative.code:         exec = "${cups}/sbin/cupsd -c ${pkgs.writeText "cupsd.conf" cfg.cupsdConf} -F";
        };
  
      services.printing.drivers = [ pkgs.cups pkgs.ghostscript ];
      services.printing.cupsdConf = 
        ''
          LogLevel info
  