system/boot/default.nix


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{
  config,
  pkgs,
  ...
}: {
  boot = {
    initrd = {
      #compressor = "lz4";
      #compressorArgs = ["-9"];
      kernelModules = ["nvme" "btrfs"];
    };

    kernelPackages = pkgs.linuxPackages_latest;
    loader = {
      grub = {
        enable = true;
        version = 2;
        # theme = pkgs.nixos-grub2-theme;
        splashImage = ./boot_pictures/gnu.png;
        efiSupport = true;
        device = "nodev"; # only for efi
      };
      efi = {
        canTouchEfiVariables = true;
        efiSysMountPoint = "/boot";
      };
    };
  };
}