{
  description = "A Nix-flake-based Rust development environment for ESP";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };

  outputs = { self, nixpkgs, rust-overlay }:
    let
      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ rust-overlay.overlays.default ];
        };
      });
    in
    {
      devShells = forEachSupportedSystem ({ pkgs }:
        let
          rust-toolchain = pkgs.rust-bin.fromRustupToolchainFile ./firmware/rust-toolchain.toml;
        in
        {
          default = pkgs.mkShell {
            packages = with pkgs; [
              rust-toolchain
              cargo-flamegraph
              espup

              ldproxy

              gcc
              git
              gnumake
              flex
              bison
              gperf
              python313
              cmake
              ninja
              ccache
              dfu-util
              libusb1
              python313Packages.pip

              esp-generate

              espflash
              probe-rs
            ];
            env = {
              LIBCLANG_PATH = "/home/clara/.rustup/toolchains/esp/xtensa-esp32-elf-clang/esp-19.1.2_20250225/esp-clang/lib";
              PATH = "/home/clara/.rustup/toolchains/esp/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin:$PATH";
            };
          };
        });
    };
}