{
  description = "Cross-Kmod-Nix development environment";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs =
    { nixpkgs, ... }:
    let
      mkKernelEnv = import ./kernel.nix { inherit pkgs; };
      nabu-kernel-src = mkKernelEnv {
        url = "https://github.com/neokoni/android_kernel_xiaomi_nabu.git";
        rev = "4546bbf09f49dd91d8c4cf09f4f5f0b9043d2b8e";
        hash = "sha256-xSBQsmaO4UY33QlYrYxU8kPhLNcW2AKUb1AGOrMd5kU=";
        configGz = ./kernel_config/mipad5/config.gz;
      };

      pkgs = import nixpkgs {
        system = "x86_64-linux";
        config = {
          permittedInsecurePackages = [
            "python-2.7.18.12"
          ];
        };
      };
      kernel = pkgs.linuxPackages_latest.kernel;
    in
    {
      packages."x86_64-linux".default = pkgs.callPackage ./default.nix { };
      devShells."x86_64-linux".default = pkgs.mkShell {
        nativeBuildInputs = with pkgs; [
          bear
          clang-tools
          clang
          cmake
          gcc
          kmod
          nil

          python312
          python27

          bc
          openssl
          pkgsCross.aarch64-multiplatform.gcc
        ];

        shellHook = ''
          export KDIR=${nabu-kernel-src}
          bear -- make -C $KDIR M=$(pwd) ARCH=arm64 CROSS_COMPILE=aarch64-unknown-linux-gnu- modules > /dev/null 2>&1

          make clean
        '';
      };
    };
}