gdk-pixbuf-query-loaders
  +/usr/bin/gdk-pixbuf-query-loaders(-64)?
  post "if [ $1 == 1 ]; then test -d %{_libdir}/gdk-pixbuf-2.0/2.10.0; if test $? -eq 0; then %{_bindir}/gdk-pixbuf-query-loaders --update-cache; fi; fi"
libgdk_pixbuf-2_0-0
  provides "gdk-pixbuf-<targettype> = <version>"
  post "if test -f %{_bindir}/gdk-pixbuf-query-loaders; then %{_bindir}/gdk-pixbuf-query-loaders --update-cache; fi"