post_install() { echo "install \"html2ps\" from AUR to add support for printing html mails with fancy plugin" gtk-update-icon-cache -q -t -f usr/share/icons/hicolor update-desktop-database -q } post_upgrade() { gtk-update-icon-cache -q -t -f usr/share/icons/hicolor update-desktop-database -q } post_remove() { gtk-update-icon-cache -q -t -f usr/share/icons/hicolor update-desktop-database -q }