anchor.diff:    passthru = {
       srcVerification = fetchurl {
         failEarly = true;
  -      sha1Urls = map (n: "${n}.sign") src.urls;
  -      pgpKeyFingerprint = "C9E9 416F 76E6 10DB D09D  040F 47B7 0C55 ACC9 965B";
  +      sha256Urls = map (n: "${n}.sha256") src.urls;
         inherit (src) urls outputHash outputHashAlgo;
       };
     };
  
positive.code:       "http://sources.openelec.tv/mirror/busybox/${name}.tar.bz2"
      ];
      hashOutput = false;
      sha256 = "e3c14a3699dc7e82fed397392957afc78e37bdf25398ac38ead6e84621b2ae6a";
    };
  
    patches = [
  
negative.code:     optionalString;
  in
  stdenv.mkDerivation rec {
    name = "busybox-1.29.1";
  
    src = fetchurl {
      urls = [
  