os/modules/core/boot.nix

{
  config,
  pkgs,
  lib,
  ...
}:
with lib; let
  cfg = config.pub-solar.core;
in {
  options.pub-solar.core.disk-encryption-active = mkOption {
    type = types.bool;
    default = true;
    description = "Whether it should be assumed that there is a cryptroot device";
  };

  config = {
    boot = {
      # Mount / luks device in initrd
      # Allow fstrim to work on it.
      initrd = mkIf cfg.disk-encryption-active {
        luks.devices."cryptroot" = {
          allowDiscards = true;
        };
      };

      loader.systemd-boot.enable = lib.mkDefault true;

      # Use latest LTS linux kernel by default
      kernelPackages = lib.mkDefault pkgs.linuxPackages_testing;

      # Support ntfs drives
      supportedFilesystems = ["ntfs"];
    };
  };
}