anchor.diff:  
         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
  
positive.code:   cfg = config.services.ipfs;
  
    ipfsFlags = toString ([
      (optionalString  cfg.autoMount                   "--mount")
      (optionalString  cfg.autoMigrate                 "--migrate")
      (optionalString  cfg.enableGC                    "--enable-gc")
      (optionalString (cfg.serviceFdlimit != null)     "--manage-fdlimit=false")
  
negative.code:         '';
        };
  
        #autoMount = mkOption {
        #  type = types.bool;
        #  default = false;
        #  description = "Whether IPFS should try to mount /ipfs and /ipns at startup.";
        #};
  
        ipfsMountDir = mkOption {
          type = types.str;
          default = "/ipfs";
          description = "Where to mount the IPFS namespace to";
        };
  
        ipnsMountDir = mkOption {
          type = types.str;
          default = "/ipns";
          description = "Where to mount the IPNS namespace to";
        };
  
        gatewayAddress = mkOption {
  