anchor.diff:      optionalString;
   in
   stdenv.mkDerivation rec {
  -  name = "busybox-1.29.2";
  +  name = "busybox-1.29.3";
   
     src = fetchurl {
       urls = [
  
positive.code:   passthru = {
      srcVerification = fetchurl {
        failEarly = true;
        sha256Urls = map (n: "${n}.sha256") src.urls;
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  
  
negative.code:       "http://sources.openelec.tv/mirror/busybox/${name}.tar.bz2"
      ];
      hashOutput = false;
      sha256 = "97648636e579462296478e0218e65e4bc1e9cd69089a3b1aeb810bff7621efb7";
    };
  
    patches = [
  