anchor.diff:              default = "";
               type = types.lines;
               description = ''
  -              Shell script sourced by NixOS generated script when the instance is shutting down.
  +              Shell commands executed when the instance is shutting down.
               '';
             };
   
  
positive.code:           fi
          done
  
          ${optionalString cfg.updateResolvConf
             "${pkgs.update-resolv-conf}/libexec/openvpn/update-resolv-conf"}
  
          ${optionalString (cfg.up != "") "source ${userSuppliedUpScript}"}
        '';
  
        downScript = ''
  
negative.code:         export PATH=${path}
          ${optionalString cfg.updateResolvConf
             "${pkgs.update-resolv-conf}/libexec/openvpn/update-resolv-conf"}
          ${cfg.down}
        '';
  
  