#!/bin/bash

# Note: this script is meant to run post emerge --depclean
eselect kernel set 1

cp /usr/src/linux-$(uname -r)/.config /usr/src/linux


genkernel --install --lvm --luks --no-mountboot --no-ramdisk-modules \
--compress-initramfs-type=lz4 --initramfs-filename=initramfs.img initramfs

if [ -d "/usr/src/initramfs" ]; then
    lz4cat /boot/initramfs.img | cpio --directory=/usr/src/initramfs -imdv
else
    echo "/usr/src/initramfs does not exist. exiting"
    exit
fi

cd /usr/src/linux 
 
make -j16

if [ $? -eq 0 ]; then
    mount /dev/nvme0n1p1 /boot/efi
    cp arch/x86/boot/bzImage /boot/efi/EFI/Gentoo/gentoox64.efi
else
    echo "Kernel compilation failed. Exiting"
    exit
fi


# Signing for SecureBoot, expected directory is /etc/efikeys/

cd /etc/efikeys/

sbsign --key db.key --cert db.crt --output /boot/efi/EFI/Gentoo/gentoox64.efi /boot/efi/EFI/Gentoo/gentoox64.efi

umount /boot/efi