#!/usr/bin/env bash

while read -r line; do
    version=$(basename "${line%/vmlinuz}")
    echo ":: Installing kernel $version"
    
    kernel-install $1 "${version}" "${line}"
done

# If needed, set /etc/kernel/cmdline to enable kernel-install in a chroot
if [[ ! -e /etc/kernel/cmdline ]]; then
    mkdir -p /etc/kernel
    
    BOOT_OPTIONS=""
    read -r -d '' -a line < /proc/cmdline
    for i in "${line[@]}"; do
        [[ "${i#initrd=*}" != "$i" ]] && continue
        [[ "${i#BOOT_IMAGE=*}" != "$i" ]] && continue
        BOOT_OPTIONS+="$i "
    done
    echo ${BOOT_OPTIONS} > /etc/kernel/cmdline
fi