anchor.diff:  , zlib
   }:
   
  +let
  +  channel = "4.14";
  +  version = "${channel}.1";
  +in
   stdenv.mkDerivation rec {
  -  name = "rpm-4.13.0";
  +  name = "rpm-${version}";
   
     src = fetchurl {
  -    url = "https://github.com/rpm-software-management/rpm/releases/download/${name}-release/${name}.tar.bz2";
  -    sha256 = "221166b61584721a8ca979d7d8576078a5dadaf09a44208f69cc1b353240ba1b";
  +    # Don't use release tarballs hosted on github, upstream removes them
  +    # when there is a new release.
  +    url = "http://ftp.rpm.org/releases/rpm-${channel}.x/${name}.tar.bz2";
  +    multihash = "QmeWz66GYufBDJFyVPuz7ZF1X311Y3p2ELnkAFHYMfCZvu";
  +    sha256 = "43f40e2ccc3ca65bd3238f8c9f8399d4957be0878c2e83cba2746d2d0d96793b";
     };
   
     buildInputs = [
  
positive.code: { stdenv
  , fetchurl
  
  , binutils
  , bzip2
  
negative.code:       -e 's, @WITH_LUA_LIB@,,'
    '';
  
    meta = with lib; {
      description = "The RPM Package Manager";
      homepage = http://www.rpm.org/;
      license = licenses.gpl2;
  