default.nix

{ pkgs ? import (builtins.fetchTarball {
    sha256 = "068v9xh7d8klk62p2qwr76fyfqfh1bp08xc12x138g5q6pg6yfzb";
    url = "https://github.com/nixos/nixpkgs/archive/4507926b80c6b8f73053775ffee17f6781c7e7c8.tar.gz";
  }) { inherit config; }
, config ? { allowUnfree = true; }
, arm ? false
}:

let
  pkg =
    if arm
    then pkgs.pkgsCross.iphone64.haskell.packages.ghc843.callPackage ./pkg.nix {}
    else pkgs.haskellPackages.callPackage ./pkg.nix {};
  app = pkg.overrideAttrs (drv: {
   preBuild = ''
      export NIX_CFLAGS_COMPILE="-framework Foundation -framework UIKit $NIX_CFLAGS_COMPILE"
   '';
   buildInputs =
      ["${pkgs.darwin.xcode}/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System"] ++
        drv.buildInputs;
  });
  script = pkgs.writeScriptBin "script" ''
    ${pkgs.nodePackages.ios-deploy}/bin/ios-deploy -d -W -b app.app
  '';
in
{
  inherit script;
  inherit app;
  inherit (pkgs.nodePackages) ios-deploy;
}