anchor.diff:  
     patches = [
       (fetchTritonPatch {
  -      rev = "f2cc828cd4a47b008b7503974f35bcdd2a9c74b3";
  -      file = "xfsprogs/xfsprogs-4.7.0-sharedlibs.patch";
  -      sha256 = "983b08b2a4a4ee91be21f14063167a3752554b41fd78aead6dfd6ac38702a5a7";
  +      rev = "185665e99c148594758a4f22346ad4d3c6cbbb5d";
  +      file = "x/xfsprogs/0001-xfsprogs-4.12.0-sharedlibs.patch";
  +      sha256 = "4f10b622e8b7c8654a5dc79356343515ef203742ba4781b97a6f02f23e99555a";
       })
       (fetchTritonPatch {
  -      rev = "f2cc828cd4a47b008b7503974f35bcdd2a9c74b3";
  -      file = "xfsprogs/xfsprogs-4.7.0-libxcmd-link.patch";
  +      rev = "185665e99c148594758a4f22346ad4d3c6cbbb5d";
  +      file = "x/xfsprogs/0002-xfsprogs-4.9.0-underlinking.patch";
  +      sha256 = "644713208fcce550cbe66de8aa3fc366449a838baaba2db030bfc6111f4de7b5";
  +    })
  +    (fetchTritonPatch {
  +      rev = "185665e99c148594758a4f22346ad4d3c6cbbb5d";
  +      file = "x/xfsprogs/0003-xfsprogs-4.7.0-libxcmd-link.patch";
         sha256 = "06cced4aeeb9a2d8c90e6d6fd1ff6571020122dbfe62140513f52bd82bf9abe8";
       })
     ];
  
positive.code:     "mirror://kernel/linux/utils/fs/xfs/xfsprogs/xfsprogs-${version}.tar"
    ];
  
    version = "4.11.0";
  in
  stdenv.mkDerivation rec {
    name = "xfsprogs-${version}";
  
negative.code:   src = fetchurl {
      urls = map (n: "${n}.xz") (tarballUrls version);
      hashOutput = false;
      sha256 = "b330ad8d737f4152ae511580102e2fc49212bb51dfb4b614084344abae46d0df";
    };
  
    nativeBuildInputs = [
  