anchor.diff:        '';
         serviceConfig = {
           ExecStart = ''
  -          ${pkgs.jre8}/bin/java -Xmx${toString cfg.maxMemory}m \
  +          ${cfg.jre}/bin/java -Xmx${toString cfg.maxMemory}m \
             -Dairsonic.home=${cfg.home} \
             -Dserver.address=${cfg.listenAddress} \
             -Dserver.port=${toString cfg.port} \
  
positive.code:         '';
        };
  
        jvmOptions = mkOption {
          description = ''
            Extra command line options for the JVM running AirSonic.
  
negative.code:             "-Dserver.use-forward-headers=true"} \
            ${toString cfg.jvmOptions} \
            -verbose:gc \
            -jar ${cfg.war}
          '';
          Restart = "always";
          User = "airsonic";
  