We can't use lua.withPackages, because on darwin shebangs can't point to interpreted (shebang'd) scripts. See https://github.com/NixOS/nixpkgs/issues/23018
https://github.com/skywind3000/z.lua/releases/tag/v1.7.3
https://github.com/skywind3000/z.lua/releases/tag/v1.7.1