anchor.diff:    src = fetchurl {
       url = "https://github.com/ibus/ibus/releases/download/${version}/"
         + "${name}.tar.gz";
  -    sha256 = "8551f7d027fb65d48225642fc8f3b232412ea75a4eb375244dd72a4d73c2639e";
  +    sha256 = "4cf1e5ca4b067a3bed3cdfa658d49ac597d817b2de627a1095214565f862d034";
     };
   
     nativeBuildInputs = [
  
positive.code:     "--disable-gconf"
      "--enable-schemas-install"
      "--disable-memconf"
      "--${boolEn (dconf != null)}-dconf"
      "--disable-schemas-compile"
      "--${boolEn (python3Packages.python != null)}-python-library"
      "--enable-setup"
      "--${boolEn (python3Packages.python != null)}-dbus-python-check"
      "--enable-key-snooper"
      "--enable-surrounding-text"
      "--enable-ui"
  
negative.code:     "--enable-glibtest"
      "--disable-tests"
      "--${boolEn (gtk_2 != null)}-gtk2"
      "--enable-gtk3"
      "--enable-xim"
      "--enable-wayland"
      "--enable-appindicator"
      "--enable-introspection"
      "--${boolEn (vala != null)}-vala"
      "--disable-gtk-doc"
      "--disable-gtk-doc-html"
  