let machines = builtins.mapAttrs (machineName: machineConfig:
  let cfg = import machineConfig; in
  import <nixpkgs/nixos/lib/eval-config.nix> (cfg // {
    extraArgs = { inherit machineName machines; } // (cfg.extraArgs or {});
  })) {

mermet = machines/mermet.nix;
losurdo = machines/losurdo.nix;

};
in builtins.mapAttrs (n: c: c.config) machines