ICONDIR="/usr/share/icons/Mist" update_icon_cache() { echo "Updating GTK icon cache..." || return 1 gtk-update-icon-cache -f -t "${ICONDIR}" || return 1 } # arg 1: the new package version post_install() { update_icon_cache } # arg 1: the new package version # arg 2: the old package version post_upgrade() { update_icon_cache } # arg 1: the old package version post_remove() { update_icon_cache rmdir "${ICONDIR}" }