anchor.diff:  , docbook_xml_dtd_45, git, docbook_xsl, libxml2, libxslt, coreutils, gawk
   , gnugrep, gnused, jq, nix }:
   
  -let
  -  binPath = lib.makeBinPath [ coreutils gawk git gnugrep gnused jq nix ];
  -
  -in stdenv.mkDerivation rec {
  +stdenv.mkDerivation rec {
     pname = "nix-prefetch";
     version = "0.4.1";
   
  
positive.code:     install -Dm555 -t $lib src/*.sh
      install -Dm444 -t $lib lib/*
      makeWrapper $lib/main.sh $out/bin/${pname} \
        --prefix PATH : ${binPath}
  
      installManPage doc/nix-prefetch.?
  
  
negative.code:     description = "Prefetch any fetcher function call, e.g. package sources";
      license = licenses.mit;
      maintainers = with maintainers; [ msteen ];
      homepage = "https://github.com/msteen/nix-prefetch";
      platforms = platforms.all;
    };
  }
  