#!/usr/bin/env bash

set -xeuf -o pipefail

UNAME_R="$(</boot/.uname)"
BOOT_PART="$(grep '/ ' /etc/fstab | awk '{print $1}')"
replacewithfullver

if [ -x /sbin/installkernel -a -r "/boot/vmlinuz-${UNAME_R}" -a -r "/boot/System.map-${UNAME_R}" ]; then
    cp "/boot/vmlinuz-${UNAME_R}" "/boot/.vmlinuz-${UNAME_R}-rpm"
    cp "/boot/System.map-${UNAME_R}" "/boot/.System.map-${UNAME_R}-rpm"
    rm -f "/boot/vmlinuz-${UNAME_R}" "/boot/System.map-${UNAME_R}"
    /sbin/installkernel "${UNAME_R}" "/boot/.vmlinuz-${UNAME_R}-rpm" "/boot/.System.map-${UNAME_R}-rpm"
    rm -f "/boot/.vmlinuz-${UNAME_R}-rpm" "/boot/.System.map-${UNAME_R}-rpm"
fi
ln "/boot/.uname-${UNAME_R}" /boot/.uname


cp /opt/opi5-efi/boot.cmd "/boot/efi/boot.cmd-${FULL_VER}"
cp /opt/opi5-efi/uEnv.txt "/boot/efi/uEnv.txt-${FULL_VER}"

if [ ! -f /boot/.uname ]; then
    echo "ERROR: No /boot/.uname found to extract 'uname -r' from."
    exit 1
fi

if [ ! -f "/boot/initramfs-${UNAME_R}" ]; then
    echo "ERROR: No initramfs found."
    exit 1
fi

echo "rootdev=${BOOT_PART}" >> "/boot/efi/uEnv.txt-${FULL_VER}"
sed -i "s/setenvrootdev/setenv rootdev \"${BOOT_PART}\"/" "/boot/efi/boot.cmd-${FULL_VER}"
sed -i "s/setenvunamer/setenv unamer \"${UNAME_R}\"/" "/boot/efi/boot.cmd-${FULL_VER}"

mkimage -A arm -T ramdisk -C none -n uInitrd -d "/boot/initramfs-${UNAME_R}.img" "/boot/uInitrd-${UNAME_R}"
cp "/boot/uInitrd-${UNAME_R}" /boot/uInitrd

mkimage -C none -A arm -T script -d "/boot/efi/boot.cmd-${FULL_VER}" "/boot/efi/boot.scr-${FULL_VER}"
cp "/boot/efi/boot.scr-${FULL_VER}" /boot/efi/boot.scr

diff /boot/efi/boot.cmd "/boot/efi/boot.cmd-${FULL_VER}" > /boot/diff_boot_cmd
diff /boot/efi/uEnv.txt "/boot/efi/uEnv.txt-${FULL_VER}" > /boot/diff_uenv_txt