inputs: profiles: {
  alice = {
    system = "x86_64-linux";
    profile = profiles.desktop;
    modules = [
      inputs.impermanence.nixosModules.impermanence
    ];
  };
  arwen = {
    system = "x86_64-linux";
    profile = profiles.laptop;
    modules = [
      inputs.impermanence.nixosModules.impermanence
      inputs.nixos-hardware.nixosModules.lenovo-thinkpad-e495
    ];
  };
}