{
  stdenvNoCC,
  pkgs,
  perl,
}:
stdenvNoCC.mkDerivation {
  pname = "md-manual";
  version = "1.0.0";

  src = ./.;

  buildInputs = [ perl ];

  installPhase = ''
    mkdir $out
    cp index.md $out/index.md
    cp TODO.md $out/TODO.md
    cp -r ${pkgs.amg.manual-assets} $out/assets
    cp -r ${pkgs.amg.nixpkgs-manual} $out/Nixpkgs/
    cp -r ${pkgs.amg.aux-wiki} $out/Aux
    cp -r ${pkgs.amg.lix-docs} $out/Lix
    cp -r ${pkgs.amg.nixos-options} $out/NixOS
    chmod -R u+w $out/Lix
    pushd $out/Lix
    find . -type f -exec perl -pi -e 's/\<div class="warning"\>\n\n/\?\?\? bug\n\n\ \ /g' {} \;
    popd
    chmod -R u-w $out/Lix
  '';
}