{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
  };
  outputs = {nixpkgs, ...}: let
    pkgs = nixpkgs.legacyPackages.x86_64-linux;
    esp-rs = pkgs.callPackage ./nix/esp-rs.nix {};
  in {
    devShells.x86_64-linux.default = pkgs.mkShell {
      buildInputs = [
        pkgs.pkg-config
        pkgs.libudev-zero
        pkgs.libusb1
        pkgs.espflash
        pkgs.esp-generate
        pkgs.rust-analyzer
        esp-rs
      ];
      shellHook = ''
        export RUSTUP_TOOLCHAIN=${esp-rs}
      '';
    };
  };
}