trezor-firmware/legacy/shell.nix

with import <nixpkgs> {};

let
  myPython = python3.withPackages(p: [p.trezor p.Mako p.munch p.pillow]);
in
  stdenv.mkDerivation {
    name = "trezor-mcu-dev";
    buildInputs = [ myPython protobuf gnumake gcc gcc-arm-embedded pkgconfig SDL2 SDL2_image clang-tools ];
  }