{ mkDerivation }: # How to obtain `sha256`: # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz mkDerivation { version = "24.1.2"; sha256 = "sha256-P0XU+gqDyhW0QQf1UzO+CV9Yc6YP70MRf3MLgdKzeU4="; }