{ config, lib, pkgs, ... }:

let
  substituteDirectory = args:
    pkgs.stdenvNoCC.mkDerivation ({
      name = if args ? name then args.name else baseNameOf (toString args.src);
      builder = ./substitute-dir.sh;
      preferLocalBuild = true;
      allowSubstitutes = false;
    } // args);
in {
  environment.etc = {

    "syndicate/boot".source = substituteDirectory {
      src = ./boot;
      getty = "${pkgs.busybox}/bin/busybox getty";
      inherit (config.services.getty) loginProgram;
    };

    "syndicate/core".source = substituteDirectory {
      src = ./core;
      hostnameOneShot =
        "${pkgs.busybox}/bin/busybox hostname ${config.networking.hostName}";

      inherit (pkgs) mdevd;
      mdevdConf = pkgs.writeText "mdevd.conf" ''
        -$MODALIAS=.* 0:0 660 +importas -iu MODALIAS MODALIAS ${pkgs.kmod}/bin/modprobe -q $MODALIAS
      '';
      mdevdPath = lib.strings.makeBinPath [ pkgs.execline pkgs.busybox ];
    };
  };
}