#!/bin/sh

next_number="$(eselect kernel list | wc -l)" &&

old_config="$KERNEL_CONFIGS/kernel-config-`uname -r`" &&

cp /usr/src/linux/.config $old_config &&
emerge --ask --update --deep --with-bdeps=y --newuse \
    sys-kernel/gentoo-sources &&

eselect kernel set $next_number &&

cp $old_config /usr/src/linux/.config &&

cd /usr/src/linux &&

make syncconfig &&
make modules_prepare &&
emerge --ask @module-rebuild &&
make -j2 &&
make modules_install &&
make install &&

grub-mkconfig -o /grub/libreboot_grub.cfg