{ pkgs } @ args:
let
  inherit args;
  emacs-pkg = pkgs.emacs;
  epkgs = emacs-pkg.pkgs;
  trivialBuild = epkgs.trivialBuild;
  orgTrivialBuild = attrs : (trivialBuild (pkgs.lib.mergeAttrs attrs {
    preBuild = ''
        for file in ./*.org
        do
            emacs --batch --eval "(require 'org)" --eval "(org-babel-tangle-file \"$file\" (concat (file-name-sans-extension \"$file\") \".el\") \"emacs-lisp\")"
        done
        '';
  unpackCmd = ''
    case "$curSrc" in
      *.el)
        # keep original source filename without the hash
        local filename=$(basename "$curSrc")
        filename="''${filename:33}"
        cp $curSrc $filename
        chmod +w $filename
        sourceRoot="."
        ;;
      *.org)
        # keep original source filename without the hash
        local filename=$(basename "$curSrc")
        filename="''${filename:33}"
        cp $curSrc $filename
        chmod +w $filename
        sourceRoot="."
        ;;
      *)
        _defaultUnpack "$curSrc"
        ;;
    esac
  '';
  }));
in
{
  azos.emacs.base = (pkgs.callPackage ./azos-emacs-base.nix
    { orgTrivialBuild = orgTrivialBuild; epkgs = epkgs; });
}