{ kapack ? import ( fetchTarball "https://github.com/oar-team/nur-kapack/archive/master.tar.gz") {} }: with kapack.pkgs; let self = rec { experiment_env = mkShell rec { name = "experiment_env"; buildInputs = [ # simulator kapack.batsim # scheduler implementations kapack.batsched kapack.pybatsim # misc. tools to execute instances kapack.batexpe ]; }; }; in self.experiment_env