{ ... }:
{
  perSystem =
    { pkgs, ... }:
    {
      packages.tor-ssh-service =
        (pkgs.writeShellApplication {
          name = "tor-ssh-service";
          runtimeInputs = with pkgs; [
            tor
            coreutils
            gnugrep
            procps
            qrencode
          ];
          text = builtins.readFile ./tor-ssh-service.sh;
        }).overrideAttrs
          { passthru.usage = builtins.readFile ./usage.kdl; };
    };
}