{ pkgs, lib, modulesPath, ... }:
let
  moduleList = import (modulesPath + "/module-list.nix");

  dynixFromSearchPath = let
    res = builtins.tryEval <dynix>;
  in lib.optional res.success res.value;
in
{
  imports = [
    (modulesPath + "/testing/test-instrumentation.nix")
  ] ++ lib.concatLists [
    dynixFromSearchPath
    moduleList
  ];

  system.switch.enable = true;
  documentation.enable = false;

  boot.loader.grub = {
    enable = true;
    device = "/dev/vda";
    forceInstall = true;
  };

  nix = {
    package = pkgs.lixPackageSets.latest.lix;
    nixPath = [
      ("nixpkgs=" + pkgs.path)
      "/nix/var/nix/profiles/per-user/root/profile/share/nixos/modules"
    ];

    settings = {
      experimental-features = [ "nix-command" "pipe-operator" ];
      substituters = lib.mkForce [ ];
      hashed-mirrors = null;
      connect-timeout = 1;
      # For my debugging purposes.
      show-trace = true;
    };
  };

  environment.pathsToLink = [ "/share" ];
  environment.extraOutputsToInstall = [ "modules" ];
  environment.variables = {
    "NIXOS_CONFIG" = "/etc/nixos/configuration.nix";
  };

  environment.shellAliases = {
    ls = "eza --long --header --group --group-directories-first --classify --binary";
  };

  environment.systemPackages = with pkgs; [
    eza
    fd
    ripgrep
  ];
}