clementine: wrap for GST_PLUGINS_PATH

pkgs/applications/audio/clementine/default.nix

@@ -1,7 +1,8 @@
 { stdenv, fetchurl, boost, cmake, gettext, gstreamer, gst_plugins_base
+, gst_plugins_good, gst_plugins_bad, gst_plugins_ugly, gst_ffmpeg
 , liblastfm, qt4, taglib, fftw, glew, qjson, sqlite, libgpod, libplist
 , usbmuxd, libmtp, gvfs, libcdio, protobuf, libspotify, qca2, pkgconfig
-, sparsehash, config }:
+, sparsehash, config, makeWrapper }:
 
 let withSpotify = config.clementine.spotify or false;
 in
@@ -22,6 +23,9 @@ stdenv.mkDerivation {
     gettext
     glew
     gst_plugins_base
+    gst_plugins_good
+    gst_plugins_ugly
+    gst_ffmpeg
     gstreamer
     gvfs
     libcdio
@@ -29,6 +33,7 @@ stdenv.mkDerivation {
     liblastfm
     libmtp
     libplist
+    makeWrapper
     pkgconfig
     protobuf
     qca2
@@ -42,6 +47,11 @@ stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
+  postInstall = ''
+    wrapProgram $out/bin/clementine \
+      --set GST_PLUGIN_SYSTEM_PATH "$GST_PLUGIN_SYSTEM_PATH"
+  '';
+
   meta = with stdenv.lib; {
     homepage = "http://www.clementine-player.org";
     description = "A multiplatform music player";