pkgname=gstreamer0.10-good-plugins post_install() { usr/sbin/gconfpkg --install ${pkgname} } pre_upgrade() { if [ -f usr/share/gconf/schemas/${pkgname}.schemas ]; then pre_remove fi } post_upgrade() { post_install } pre_remove() { usr/sbin/gconfpkg --uninstall ${pkgname} }