{ pkgs }:

if pkgs.stdenv.isDarwin then
  let
    version = "0.7.1";
    archiveName = "zig-macos-x86_64-${version}";
    sha256 = "845cb17562978af0cf67e3993f4e33330525eaf01ead9386df9105111e3bc519";
  in
    pkgs.stdenv.mkDerivation {
      pname = "zig";
      version = version;
      src = pkgs.fetchurl {
        inherit sha256;
        name = "${archiveName}.tar.xz";
        url = "https://ziglang.org/download/${version}/${archiveName}.tar.xz";
      };
      phases = [ "unpackPhase" ];
      unpackPhase = ''
        mkdir -p $out/bin
        tar -xf $src
        cp ${archiveName}/zig $out/zig
        cp -r ${archiveName}/lib $out/lib
        ln -s "$out/zig" "$out/bin/zig"
        chmod +x $out/bin/zig
      '';
    }
else
  pkgs.zig