anchor.diff:        description = "Mesos Slave";
         wantedBy = [ "multi-user.target" ];
         after = [ "network-interfaces.target" ];
  +      environment.MESOS_CONTAINERIZERS = "docker,mesos";
         serviceConfig = {
   	ExecStart = ''
   	  ${pkgs.mesos}/bin/mesos-slave \
  
positive.code:       '';
      };
    };
    
  }
negative.code: 	    ${optionalString cfg.withHadoop "--hadoop-home=${pkgs.hadoop}"} \
  	    --work_dir=${cfg.workDir} \
  	    --logging_level=${cfg.logLevel} \
  	    --docker=${pkgs.docker}/libexec/docker/docker \
  	    ${toString cfg.extraCmdLineOptions}
  	'';
  	PermissionsStartOnly = true;
  