anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "nfs-utils";
  -  version = "2.5.1";
  +  version = "2.6.2";
   
     src = fetchurl {
  -    url = "https://kernel.org/pub/linux/utils/nfs-utils/${version}/${pname}-${version}.tar.xz";
  -    sha256 = "1i1h3n2m35q9ixs1i2qf1rpjp10cipa3c25zdf1xj1vaw5q8270g";
  +    url = "mirror://kernel/linux/utils/nfs-utils/${version}/${pname}-${version}.tar.xz";
  +    hash = "sha256-UgCHPoHE1hDiRi/CYv4YE18tvni3l5+VrM0VmuZNUBE=";
     };
   
     # libnfsidmap is built together with nfs-utils from the same source,
  
positive.code: 
        substituteInPlace systemd/nfs-utils.service \
          --replace "/bin/true" "${coreutils}/bin/true"
  
        substituteInPlace utils/mount/Makefile.in \
          --replace "chmod 4511" "chmod 0511"
  
negative.code:       "--enable-libmount-mount"
        "--with-pluginpath=${placeholder "lib"}/lib/libnfsidmap" # this installs libnfsidmap
        "--with-rpcgen=${buildPackages.rpcsvc-proto}/bin/rpcgen"
        "--with-modprobedir=${placeholder "out"}/etc/modprobe.d"
      ];
  
    patches = lib.optionals stdenv.hostPlatform.isMusl [
  