anchor.diff:    cfg = config.services.ipfs;
   
     ipfsFlags = toString ([
  -    (optionalString  cfg.autoMount                   "--mount")
  +    #(optionalString  cfg.autoMount                   "--mount")
       (optionalString  cfg.autoMigrate                 "--migrate")
       (optionalString  cfg.enableGC                    "--enable-gc")
       (optionalString (cfg.serviceFdlimit != null)     "--manage-fdlimit=false")
  
positive.code:         '';
        };
  
        autoMount = mkOption {
          type = types.bool;
          default = false;
          description = "Whether IPFS should try to mount /ipfs and /ipns at startup.";
        };
  
        gatewayAddress = mkOption {
  
negative.code: 
        preStart = ''
          install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}
        '' + optionalString false/*cfg.autoMount*/ ''
          install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.ipfsMountDir}
          install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.ipnsMountDir}
        '';
        script = ''
          if [[ ! -f ${cfg.dataDir}/config ]]; then
  