anchor.diff:  
         serviceConfig = {
           User = "nagios";
  +        Group = "nagios";
           Restart = "always";
           RestartSec = 2;
           PermissionsStartOnly = true;
  
positive.code:       uid         = config.ids.uids.nagios;
        home        = nagiosState;
        createHome  = true;
      };
  
      # This isn't needed, it's just so that the user can type "nagiostats
      # -c /etc/nagios.cfg".
  
negative.code: 
        preStart = ''
          mkdir -m 0755 -p ${nagiosState} ${nagiosLogDir}
          chown -R nagios:nagios ${nagiosState} ${nagiosLogDir}
        '';
  
        script = ''
  