{
  inputs = {
    flake-parts.url = "github:hercules-ci/flake-parts";
    devshell.url = "github:numtide/devshell";
    devshell.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = inputs@{ nixpkgs, flake-parts, devshell, ... }:
    flake-parts.lib.mkFlake { inherit inputs; } {
      imports = [
        inputs.flake-parts.flakeModules.easyOverlay
        devshell.flakeModule
      ];
      systems = [ "x86_64-linux" ];
      perSystem = { inputs', system, pkgs, config, ... }:
      let
      in
      {
        _module.args.pkgs = import nixpkgs {
          inherit system;
          overlays = [
            devshell.overlays.default
          ];
        };

        overlayAttrs = {
          # inherit (config.packages) quicfs;
        };
        packages = rec {
          # quicfs = (rustPkgs.workspace.quicfs { }).bin;
          # default = quicfs;
        };
        devshells.default = {
          packagesFrom = [
            # (rustPkgs.workspaceShell { })
          ];
          packages = with pkgs; [
            gnumake
            cmake
            # gcc-arm-embedded-13
            # coreboot-toolchain.arm
            python3
            picotool
            openocd
          ];

          env = [
            { name = "PICO_SDK_PATH"; value = "${pkgs.pico-sdk}/lib/pico-sdk"; }
            # { name = "CC"; value = "${pkgs.coreboot-toolchain.arm}/bin/arm-none-eabi-gcc"; }
            # { name = "CXX"; value = "${pkgs.coreboot-toolchain.arm}/bin/arm-none-eabi-g++"; }
            { name = "PICO_TOOLCHAIN_PATH"; value = "/tmp/arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi"; }
            # { name = "CC"; value = "/tmp/arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi/bin/arm-none-eabi-gcc"; }
            # { name = "CXX"; value = "/tmp/arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi/bin/arm-none-eabi-g++"; }
          ];
        };
      };
    };
}