local OLD_SPELL_VERSION="" spell_ok $SPELL && OLD_SPELL_VERSION="$(installed_version $SPELL)" || return 0 if [ "${VERSION:0:3}" != "${OLD_SPELL_VERSION:0:3}" ]; then message "This is a possibly incompatible update of $SPELL..." message "Figuring out what spells need to be recast, this may take a while." for each in $(show_up_depends $SPELL 1); do up_trigger $each check_self done fi