ESP-IDF

esp32-toolchain.nix

{ stdenv, fetchurl, makeWrapper, buildFHSUserEnv }:

let
  fhsEnv = buildFHSUserEnv {
    name = "esp32-toolchain-env";
    targetPkgs = pkgs: with pkgs; [ zlib ];
    runScript = "";
  };
in

stdenv.mkDerivation rec {
  name = "esp32-toolchain";
  version = "2019r1";

  src = fetchurl {
    url = "https://dl.espressif.com/dl/xtensa-esp32-elf-gcc8_2_0-esp32-2019r1-linux-amd64.tar.gz";
    sha256 = "02iz5n8as29mhgg7kb9667rbfxyfpyfrfmjzqm9kxs157yqmknrr";
  };

  buildInputs = [ makeWrapper ];

  phases = [ "unpackPhase" "installPhase" ];

  installPhase = ''
    cp -r . $out{ nixpkgs ? import <nixpkgs> {} }:

let
  inherit (nixpkgs) pkgs;
in

pkgs.stdenv.mkDerivation {
  name = "esp-idf-env";
  buildInputs = with pkgs; [
    cmake gawk gperf gettext automake bison flex texinfo help2man libtool autoconf ncurses5 cmake
    (python37.withPackages (ppkgs: with ppkgs; [ pyserial future cryptography click pyelftools ]))
    (pkgs.callPackage ~/esp/esp32-toolchain.nix {})
  ];
  shellHook = ''
    export NIX_CFLAGS_LINK=-lncurses
    export IDF_PATH=$HOME/esp/esp-idf
  '';
}
    for FILE in $(ls $out/bin); do
      FILE_PATH="$out/bin/$FILE"
      if [[ -x $FILE_PATH ]]; then
        mv $FILE_PATH $FILE_PATH-unwrapped
        makeWrapper ${fhsEnv}/bin/esp32-toolchain-env $FILE_PATH --add-flags "$FILE_PATH-unwrapped"
      fi
    done
  '';

  meta = with stdenv.lib; {
    description = "ESP32 toolchain";
    homepage = https://docs.espressif.com/projects/esp-idf/en/stable/get-started/linux-setup.html;
    license = licenses.gpl3;
  };
}