{ ... }:
{
  perSystem =
    { pkgs, ... }:
    {
      packages.age-detect =
        (pkgs.writeShellApplication {
          name = "age-detect";
          runtimeInputs =
            with pkgs;
            [
              age
              age-plugin-yubikey
              age-plugin-fido2-hmac
              age-plugin-tpm
              yubikey-manager
              libfido2
            ]
            ++ (pkgs.lib.optionals pkgs.stdenv.isDarwin [
              pkgs.age-plugin-se
            ]);
          text = builtins.readFile ./age-detect;
        }).overrideAttrs
          { passthru.usage = builtins.readFile ./usage.kdl; };
    };
}