{ system ? builtins.currentSystem
, config ? { android_sdk.accept_license = true; }, overlays ? []
, pkgs ? (import <nixpkgs> { inherit system config overlays; })
, target-os }:

let
  platform = pkgs.callPackage ./nix/platform.nix { inherit target-os; };
  # TODO: Try to use stdenv for iOS. The problem is with building iOS as the build is trying to pass parameters to Apple's ld that are meant for GNU's ld (e.g. -dynamiclib)
  stdenv = pkgs.stdenvNoCC;
  gradle = pkgs.gradle_4_10;
  baseGo = pkgs.go_1_11;
  go = pkgs.callPackage ./nix/patched-go { inherit baseGo; };
  buildGoPackage = pkgs.buildGoPackage.override { inherit go; };
  statusDesktop = pkgs.callPackage ./nix/desktop { inherit target-os stdenv status-go pkgs nodejs; inherit (pkgs) darwin; go = baseGo; };
  statusMobile = pkgs.callPackage ./nix/mobile { inherit target-os config stdenv pkgs nodejs status-go gradle; inherit (pkgs.xcodeenv) composeXcodeWrapper; };
  status-go = pkgs.callPackage ./nix/status-go { inherit target-os go buildGoPackage; inherit (pkgs.xcodeenv) composeXcodeWrapper; inherit (statusMobile) xcodewrapperArgs; androidPkgs = statusMobile.androidComposition; };
  nodejs = pkgs.nodejs-10_x;
  yarn = pkgs.yarn.override { inherit nodejs; };
  nodePkgBuildInputs = [
    nodejs
    pkgs.python27 # for e.g. gyp
    yarn
  ];
  selectedSources =
    stdenv.lib.optional platform.targetDesktop statusDesktop ++
    stdenv.lib.optional platform.targetMobile statusMobile;

in with stdenv; mkDerivation rec {
  name = "status-react-build-env";

  buildInputs = with pkgs; [
    clojure
    leiningen
    maven
    watchman
  ] ++ nodePkgBuildInputs
    ++ lib.optional isDarwin cocoapods
    ++ lib.optional (isDarwin && !platform.targetIOS) clang
    ++ lib.optional (!isDarwin) gcc8
    ++ lib.catAttrs "buildInputs" selectedSources;
  shellHook = lib.concatStrings (lib.catAttrs "shellHook" selectedSources);
}