default.nix for a Perl script

{ stdenv, makeWrapper, pkgs, perl, perlPackages, samba, zfs }:

let

in
stdenv.mkDerivation rec {

  name = "bo-peep";
  version = "1.0";
  src = ./.;

  # propagatedBuildInputs = with python2Packages; [
  #   pyinotify
  #   pylast
  #   mutagen
  # ];

  buildInputs = [
    makeWrapper
    perl
    perlPackages.ArrayFIFO
    perlPackages.ProcFind
    perlPackages.PodUsage
    perlPackages.SysSyslog
  ];

  installPhase = let path = stdenv.lib.makeBinPath [
    samba zfs
  ]; in ''
    mkdir -p $out/bin
    cp bo-peep $out/bin
    wrapProgram $out/bin/bo-peep --set PERL5LIB $PERL5LIB --prefix PATH : "${path}"
  '';

  meta = {
    description = "bo-peep counts sheep (ZFS rops and wops)";
    maintainers = [ "Drew Hess <[email protected]>" ];
    license = pkgs.lib.licenses.mit;
  };
}