anchor.diff:  { stdenv
   , lib
   , fetchFromGitHub
  +, fetchpatch
   , meson
   , ninja
   , pkg-config
  
positive.code:     homepage = "https://github.com/flatpak/libportal";
      license = licenses.lgpl3Plus;
      maintainers = with maintainers; [ jtojnar ];
      platforms = platforms.linux;
    };
  }
  
negative.code:     rev = version;
      sha256 = "sha256-wDDE43UC6FBgPYLS+WWExeheURCH/3fCKu5oJg7GM+A=";
    };
  
    patches = [
      (fetchpatch {
        name = "fix-build-on-darwin.patch";
        url = "https://github.com/flatpak/libportal/pull/106/commits/73f63ee57669c4fa604a7772484cd235d4fb612c.patch";
        sha256 = "sha256-c9WUQPhn4IA3X1ie7SwnxuZXdvpPkpGdU4xgDwKN/L0=";
      })
    ];
  
    nativeBuildInputs = [
      meson
  