case $THIS_SUB_DEPENDS in
   PYTHON) depends PYTHON ;;
    DEVEL) if [[ "$GLIB2_BRANCH" != "devel" ]]; then GLIB2_BRANCH="devel" && return 0; fi ;;
   STABLE) if [[ "$GLIB2_BRANCH" != "stable" ]]; then GLIB2_BRANCH="stable" && return 0; fi ;;
   *)        echo "unknown sub-depends!"; return 1         ;;
esac
