args @ { fetchurl, ... }:
rec {
  baseName = ''chipz'';
  version = ''20160318-git'';

  description = ''A library for decompressing deflate, zlib, and gzip data'';

  deps = [ ];

  src = fetchurl {
    url = ''http://beta.quicklisp.org/archive/chipz/2016-03-18/chipz-20160318-git.tgz'';
    sha256 = ''1dpsg8kd43k075xihb0szcq1f7iq8ryg5r77x5wi6hy9jhpq8826'';
  };

  overrides = x: {
    postInstall = ''
        echo "$CL_SOURCE_REGISTRY"
        NIX_LISP_PRELAUNCH_HOOK='nix_lisp_run_single_form "(asdf:load-system :chipz)"' "$out/bin/chipz-lisp-launcher.sh" ""
    '';
  };
}