anchor.diff:    buildInputs = [
       cairo
       fontconfig
  +    libevdev
  +    libinput
       libxkbcommon
       mesa # for libEGL headers
       pango
  
positive.code: { lib
  , stdenv
  , fetchFromGitHub
  , fetchpatch
  , cairo
  , fontconfig
  , libxkbcommon
  , makeWrapper
  , mesa
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "cagebreak";
    version = "1.8.0";
  
    src = fetchFromGitHub {
      owner = "project-repo";
      repo = pname;
      rev = version;
      hash = "sha256-tWfHJajAOYZJ73GckZWWTdVz75YmHA7t/qDhM7+tJgk=";
    };
  
    nativeBuildInputs = [
      makeWrapper
  