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