#!/bin/sh
VERSION=$1
INSTALLED_VERSION=$2

download="https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-${VERSION}.tar.xz"

cd /usr/src
rm ./linux-${VERSION}.tar.xz
wget $download
tar xf ./linux-${VERSION}.tar.xz
rm ./linux
ln -s linux-${VERSION} ./linux             
cd /usr/src/linux

zcat /proc/config.gz > ./.config        
make olddefconfig                    
bash
make -j8 bzImage modules                
make modules_install                    

cp arch/x86/boot/bzImage /boot/vmlinuz-${INSTALLED_VERSION}-maxf130                                   
cp .config /boot/config-${INSTALLED_VERSION}-maxf130  
cp System.map /boot/System.map-${INSTALLED_VERSION}-maxf130                                           

dkms autoinstall -k ${INSTALLED_VERSION}-maxf130

mkinitrd -F /etc/mkinitrd.conf -k ${INSTALLED_VERSION}-maxf130 -o /boot/initrd-${INSTALLED_VERSION}-maxf130.gz      
grub-mkconfig -o /boot/grub/grub.cfg

echo "The following packages will need to be rebuilt:"
grep -l "lib/modules/$(uname -r)" /var/log/packages/*