anchor.diff:  , enableMongoDatabase ? false
   , enableInfluxDatabase ? false
   , enableSupervisordProgram ? false
  -, enableDockerContainer ? true
  +, enableDockerContainer ? false
  +, enableNginxWebApplication ? false
  +, enableXinetdService ? false
  +, enableS6RCService ? false
   , enableLegacy ? false
   , catalinaBaseDir ? "/var/tomcat"
   , jobTemplate ? "systemd"
  
positive.code:     ++ lib.optional enableMySQLDatabase mysql.out
      ++ lib.optional enablePostgreSQLDatabase postgresql
      ++ lib.optional enableSubversionRepository subversion
      ++ lib.optional enableMongoDatabase mongodb
      ++ lib.optional enableMongoDatabase mongodb-tools
      ++ lib.optional enableInfluxDatabase influxdb
      ++ lib.optional enableSupervisordProgram supervisor
      ++ lib.optional enableDockerContainer docker;
  
    meta = {
      description = "Automated deployment of mutable components and services for Disnix";
  
negative.code: { lib, stdenv, fetchurl, netcat
  , systemd ? null, ejabberd ? null, mysql ? null, postgresql ? null, subversion ? null, mongodb ? null, mongodb-tools ? null, influxdb ? null, supervisor ? null, docker ? null, nginx ? null, s6-rc ? null, xinetd ? null
  , enableApacheWebApplication ? false
  , enableAxis2WebService ? false
  , enableEjabberdDump ? false
  