pkgname=gdm post_install() { getent group gdm >/dev/null 2>&1 || groupadd -g 120 gdm getent passwd gdm > /dev/null 2>&1 || usr/sbin/useradd -c 'Gnome Display Manager' -u 120 -g gdm -d /var/lib/gdm -s /sbin/nologin gdm passwd -l gdm > /dev/null chown -R gdm:gdm /var/lib/gdm > /dev/null gtk-update-icon-cache -q -t -f usr/share/icons/hicolor gconfpkg --install ${pkgname} } pre_remove() { if [ -f usr/share/gconf/schemas/${pkgname}.schemas ]; then gconfpkg --uninstall ${pkgname} fi } post_upgrade() { post_install } post_remove() { gtk-update-icon-cache -q -t -f usr/share/icons/hicolor getent passwd gdm >/dev/null 2>&1 && userdel gdm getent group gdm >/dev/null 2>&1 && groupdel gdm }