anchor.diff:  { stdenv
  +, autoconf
  +, automake
  +, fetchgit
   , fetchurl
  +, gnome-common
  +, gtk-doc
   , intltool
   , itstool
  +, libtool
   , makeWrapper
   
   , adwaita-icon-theme
  
positive.code:   ];
  
    postPatch =
      /* Regenerate gdbus-codegen files to allow using any glib version
      	 https://bugzilla.gnome.org/show_bug.cgi?id=758096 */ ''
      	rm -v lib/bluetooth-client-glue.{c,h}
      '';
  
    configureFlags = [
  
negative.code: 
  let
    inherit (stdenv.lib)
      enFlag
      replaceStrings;
  in
  
  stdenv.mkDerivation rec {
    name = "gnome-bluetooth-${version}";
    versionMajor = "3.20";
    versionMinor = "0";
    version = "${versionMajor}.${versionMinor}";
  
    /*src = fetchurl {
      urls = "mirror://gnome/sources/gnome-bluetooth/${versionMajor}/${name}.tar.xz";
      sha256 = "e481b70423e52adc3c3aa919eeb033b47f9cd1598d6c0c7f384c0bd10f4e8ce3";
    };*/
    # # TODO: Use fetchurl again once upstream publishes a tarball
    src = fetchgit {
      url = "git://git.gnome.org/gnome-bluetooth";
      rev = "refs/tags/GNOMEBT_V_${replaceStrings ["."] ["_"] version}";
      sha256 = "1vji82jvcn1p14hgw21m9ma710m49zrbq432rj0l3lvjhbnxrfhn";
    };
  
    nativeBuildInputs = /* XXX: Disable for release tarballs */ [
      autoconf
      automake
      gnome-common
      gtk-doc
      libtool
    ] ++ [
      intltool
      itstool
      makeWrapper
  