osu-lazer-bin: improve error message for unsupported arch

        hash = "sha256-zQnR3KwlE1gTWH8f+GDRBsc7Whfn9XpT1D/NLg5TtrU=";

      };

    }

    .${stdenv.system} or (throw "${pname}-${version}: ${stdenv.system} is unsupported.");

    .${stdenv.system} or (throw "osu-lazer-bin: ${stdenv.system} is unsupported.");

  meta = {

    description = "Rhythm is just a *click* away (AppImage version for score submission and multiplayer, and binary distribution for Darwin systems)";