anchor.diff:      owner = "storaged-project";
       repo = "libblockdev";
       rev = "${version}-1";
  -    sha256 = "14f52cj2qcnm8i2zb57qfpdk3kij2gb3xgqkbvidmf6sjicq84z2";
  +    sha256 = "03gbmji401nz1sff2zp61dhal80qls4blqwadj2p4ckbxdlmid4i";
     };
   
     outputs = [ "out" "dev" "devdoc" ];
  
positive.code: { stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, gtk-doc, libxslt, docbook_xsl
  , docbook_xml_dtd_43, python3, gobjectIntrospection, glib, libudev, kmod, parted
  , cryptsetup, devicemapper, dmraid, utillinux, libbytesize, libndctl, nss, volume_key
  }:
  
  let
    version = "2.17";
  in stdenv.mkDerivation rec {
    name = "libblockdev-${version}";
  
  
negative.code:   ];
  
    buildInputs = [
      glib libudev kmod parted cryptsetup devicemapper dmraid utillinux libbytesize libndctl nss volume_key libyaml
    ];
  
    meta = with stdenv.lib; {
  