# Pastebin SDyr6d0F
builtins.fetchTarball {
    name   = "nixpkgs-unstable";
    url    = "https://github.com/NixOS/nixpkgs-channels/archive/f97d6efdafc965ebeecc5e1f9a60f9b13d20fd89.tar.gz";
    sha256 = "14q3kvnmgz19pgwyq52gxx0cs90ddf24pnplmq33pdddbb6c51zn";
  }