# just let emerge @system could merge it.
# Use --update or portage won't reinstall the same version.
[ -e /etc/portage/make.conf ] && echo 'USE="${USE} build"' >> /etc/portage/make.conf
- run_merge --oneshot --nodeps --update sys-apps/portage
+ run_merge --oneshot --update sys-apps/portage
sed -i '/USE="${USE} build"/d' /etc/portage/make.conf
}