anchor.diff:    src = fetchFromGitHub {
       owner = pname;
       repo = pname;
  -    rev = "s${version}";
  -    sha256 = "1jhbcz75a4ij1myyyi110ma1d8d5hpm3scz9pyw7js6qym50xvh4";
  +    rev = version;
  +    sha256 = "08j2hfgnfh31vv9rn1ml7090j2lsvm9wdpdz13rz60rmyzrx9dq3";
     };
  -
  -  patches = [
  -    # Proposed upstream patch to reduce dependency on systemd: https://github.com/iputils/iputils/pull/297
  -    (fetchpatch {
  -      url = "https://github.com/iputils/iputils/commit/13d6aefd57fd471ecad06e19073dcc44608dff5e.patch";
  -      sha256 = "1n62zxmzp7hgz9qapbbpqv3fxqvc3qyd2a73jhp357x6by84kj49";
  -    })
  -  ];
   
     mesonFlags = [
       "-DBUILD_RARPD=true"
  
positive.code: { lib, stdenv, fetchFromGitHub, fetchpatch
  , meson, ninja, pkg-config, gettext, libxslt, docbook_xsl_ns
  , libcap, libidn2
  }:
  
  with lib;
  
  let
    version = "20200821";
    sunAsIsLicense = {
      fullName = "AS-IS, SUN MICROSYSTEMS license";
      url = "https://github.com/iputils/iputils/blob/s${version}/rdisc.c";
  
negative.code:     "-DINSTALL_SYSTEMD_UNITS=true"
    ]
      # Disable idn usage w/musl (https://github.com/iputils/iputils/pull/111):
      ++ lib.optional stdenv.hostPlatform.isMusl "-DUSE_IDN=false";
  
    nativeBuildInputs = [ meson ninja pkg-config gettext libxslt.bin docbook_xsl_ns ];
    buildInputs = [ libcap ]
      ++ lib.optional (!stdenv.hostPlatform.isMusl) libidn2;
  
    meta = with lib; {
      description = "A set of small useful utilities for Linux networking";
      inherit (src.meta) homepage;
      changelog = "https://github.com/iputils/iputils/releases/tag/s${version}";
  