{
  description = "A  flake for build root";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let pkgs = nixpkgs.legacyPackages.${system}; in
      {
        packages = rec {
          buildroot = pkgs.stdenv.mkDerivation rec {
            name = "buildroot";
            version = "2024.02.3";
            src = pkgs.fetchzip {
              url = "https://buildroot.org/downloads/buildroot-${version}.tar.gz";
              sha256 = "sha256-iG/6UHy0tz0YAUlkY93yH9NbVLaggBSJDBInWCw8S18=";
            };
            phases = [ "unpackPhase" "installPhase" ];
            installPhase = ''
              mkdir -p $out
              cp -R . $out
            '';
          };
          buildrootMakeCommand = pkgs.writeShellApplication {
            name = "buildrootMakeCommand";

            runtimeInputs = [
              pkgs.gnumake
              pkgs.which
              pkgs.pkg-config
              pkgs.ncurses.dev
              pkgs.rsync
              pkgs.bc
              pkgs.unzip
              pkgs.cpio
              pkgs.wget
              pkgs.git
              pkgs.subversion
              pkgs.gnused
              pkgs.perl
              pkgs.flock
              pkgs.bash
              pkgs.gnugrep
              pkgs.coreutils-full
              pkgs.binutils
              pkgs.gcc
              pkgs.gnupatch
              pkgs.gzip
              pkgs.bzip2
              pkgs.gnutar
              pkgs.cacert
              pkgs.python3Full
              pkgs.lzma
              pkgs.gdbm
              pkgs.readline
            ];

            text = ''
              mkdir -p "$PWD/.buildroot"
              BR2_DL_DIR="$PWD/.buildroot/dl" ${pkgs.gnumake}/bin/make O="$PWD/.buildroot" -C "${buildroot}" "$@"
            '';
          };
          buildrootFHSEnv = (pkgs.buildFHSEnv {
            name = "buildrootFHSEnv";
            targetPkgs = pkgs: ([
              pkgs.file
            ]);
            runScript = "${buildrootMakeCommand}/bin/buildrootMakeCommand";
          });
          default = buildrootFHSEnv;
        };
        apps = rec {
          buildrootMakeCommand = flake-utils.lib.mkApp { drv = self.packages.${system}.buildrootMakeCommand; };
          buildrootFHSEnv = flake-utils.lib.mkApp { drv = self.packages.${system}.buildrootFHSEnv; };
          default = buildrootFHSEnv;
        };
        devShells = {
          default = pkgs.mkShell {
            buildInputs = [
              pkgs.nixpkgs-fmt
            ];
          };
        };
      }
    );
}