anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "keepassxc";
  -  version = "2.6.4";
  +  version = "2.6.6";
   
     src = fetchFromGitHub {
       owner = "keepassxreboot";
       repo = "keepassxc";
       rev = version;
  -    sha256 = "02ajfkw818cmalvkl0kqvza85rgdgs59kw2v7b3c4v8kv00c41j3";
  +    sha256 = "15rm3avdmc2x2n92zq6w1zbcranak4j6dds2sxmgdqi1ffc0a3ci";
     };
   
     NIX_CFLAGS_COMPILE = optionalString stdenv.cc.isClang [
  
positive.code: { lib, stdenv
  , fetchFromGitHub
  , fetchpatch
  , cmake
  , makeWrapper
  , qttools
  , darwin
  
  
negative.code:     runHook postCheck
    '';
  
    nativeBuildInputs = [ asciidoctor cmake wrapQtAppsHook qttools pkg-config ];
  
    buildInputs = [
      curl
      glibcLocales
      libXi
  