redux: add update script

{ lib

, stdenv

, fetchurl

, writeScript

, libX11

, libXext

, alsa-lib

    runHook postInstall

  '';

  passthru.updateScript = writeScript "update-redux" ''

    #!/usr/bin/env nix-shell

    #!nix-shell -I nixpkgs=./. -i bash -p curl htmlq common-updater-scripts

    set -euo pipefail

    new_version="$(

      curl 'https://files.renoise.com/demo/' \

        | htmlq a --text \

        | grep -E '^Renoise_Redux_([0-9]+_?)+_Demo_Linux_x86_64\.tar\.gz$' \

        | grep -Eo '[0-9]+(_[0-9]+)*' \

        | head -n1 \

        | tr _ .

    )"

    update-source-version redux "$new_version" --system="x86_64-linux"

  '';

  meta = with lib; {

    description = "Sample-based instrument, with a powerful phrase sequencer";

    homepage = "https://www.renoise.com/products/redux";