#up_trigger on major version updates
if spell_ok $SPELL; then
  local OLD_SPELL_VERSION="$(installed_version $SPELL)"
  if [ "${VERSION:0:1}" != "${OLD_SPELL_VERSION:0:1}" ]; then
    for each in $(show_up_depends $SPELL 1); do
      up_trigger $each cast_self
    done
  fi
fi
