nixos-configs/nixos/default.nix

{
  pkgs,
  config,
  lib,
  inputs,
  flake,
  system,
  ...
}: {
  imports = [
    inputs.home-manager.nixosModules.home-manager
    inputs.nixos-facter-modules.nixosModules.facter
    ./lanzaboote.nix
    ./tidal.nix
    ./sops.nix
    ./stylix.nix
    ./wireguard.nix
    ./gnome.nix
    ./tailscale.nix
    ./compliance.nix
  ];

  time.timeZone = "Europe/Amsterdam";
  i18n.defaultLocale = "en_US.UTF-8";
  programs.ssh.startAgent = true;

  services = {
    gnome.gnome-keyring.enable = lib.mkForce false;

    xserver = {
      enable = true;
      displayManager.gdm = {enable = true;};
      excludePackages = with pkgs; [xterm];
    };

    printing = {
      enable = true;
      drivers = [pkgs.hplip pkgs.gutenprint];
    };

    pipewire = {
      enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      pulse.enable = true;
      jack.enable = true;
    };
  };

  users = {
    users.pim = {
      isNormalUser = true;
      extraGroups = ["wheel" "docker" "input" "wireshark" "dialout"];
    };
  };

  environment = {
    systemPackages = with pkgs; [
      age
      borgbackup
      btop
      btrfs-progs
      curl
      dig
      exfat
      f3
      fastfetch
      file
      git
      jq
      kubectl
      nmap
      poppler_utils # For pdfunite
      ripgrep
      sbctl
      silicon
      tree
      units
      vim
      wget
      yq
      ncdu
      lshw
    ];
  };

  system = {
    stateVersion = "23.05";

    activationScripts.diff = ''
      if [[ -e  /run/current-system ]]; then
        ${pkgs.nix}/bin/nix store diff-closures /run/current-system "$systemConfig"
      fi
    '';
  };

  security = {
    rtkit.enable = true;

    sudo.extraConfig = ''
      Defaults        timestamp_timeout=30
    '';
  };

  nix = {
    package = pkgs.nixFlakes;
    settings.trusted-users = ["root" "pim"];

    extraOptions = ''
      experimental-features = nix-command flakes
    '';

    gc = {
      automatic = true;
      persistent = true;
      dates = "weekly";
      options = "--delete-older-than 7d";
    };
  };

  networking.useDHCP = lib.mkDefault true;

  virtualisation.docker = {
    enable = true;
    rootless = {
      enable = true;
      setSocketVariable = true;
    };
  };

  nixpkgs = {
    hostPlatform = lib.mkDefault "x86_64-linux";

    config = {
      allowUnfreePredicate = pkg:
        builtins.elem (lib.getName pkg) [
          "libfprint-2-tod1-goodix"
        ];
    };

    overlays = [
      inputs.nur.overlay
      (final: _prev: {
        unstable = import inputs.nixpkgs-unstable {
          inherit system;
          config.allowUnfree = true;
        };
      })
    ];
  };

  boot = {
    kernelModules = ["kvm-intel" "cdrom"];
    extraModulePackages = [];

    initrd = {
      availableKernelModules = ["sd_mod"];
      kernelModules = [];
    };

    kernel.sysctl = {
      "net.core.default_qdisc" = "fq";
      "net.ipv4.tcp_congestion_control" = "bbr";
    };
  };

  hardware = {
    cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
    pulseaudio.enable = false;
  };

  home-manager = {
    useGlobalPkgs = true;
    useUserPackages = true;
    extraSpecialArgs = {inherit flake inputs;};

    users.pim.imports = ["${flake}/home-manager"];
  };
}