anchor.diff:  }:
   stdenv.mkDerivation rec {
     pname = "libblockdev";
  -  version = "2.25";
  +  version = "2.26";
   
     src = fetchFromGitHub {
       owner = "storaged-project";
       repo = "libblockdev";
       rev = "${version}-1";
  -    sha256 = "sha256-eHUHTogKoNrnwwSo6JaI7NMxVt9JeMqfWyhR62bDMuQ=";
  +    sha256 = "sha256-e7j5b1KbjgVN9JpJtK2o7RNEHZjKDoDyoY4f8GlIdyI=";
     };
   
     outputs = [ "out" "dev" "devdoc" ];
  
positive.code: { lib, stdenv, fetchFromGitHub, fetchpatch, substituteAll, autoreconfHook, pkg-config, gtk-doc
  , docbook_xml_dtd_43, python3, gobject-introspection, glib, udev, kmod, parted
  , cryptsetup, lvm2, dmraid, util-linux, libbytesize, libndctl, nss, volume_key
  , libxslt, docbook_xsl, gptfdisk, libyaml, autoconf-archive
  
negative.code:     (substituteAll {
        src = ./fix-paths.patch;
        sgdisk = "${gptfdisk}/bin/sgdisk";
      })
    ];
  
  