#!/bin/sh
# vim: set sw=4 ts=4 sts=4 et :

set -eu

ignition=${1}
dev=${2:-/dev/disk/by-id/usb-Generic_STORAGE_DEVICE_000000001206-0:0}

if [ -z "${ignition}" ]; then
    printf 'usage: %s ignition\n' "${0##*/}" >&2
    exit 2
fi

if [ $(id -u) -ne 0 ]; then
    sudo=sudo
fi

${sudo} coreos-installer install \
    -a aarch64 \
    -s stable \
    -i "${ignition}" \
    --console ttyS0,115200n8 \
    "${dev}"
sync; sync; sync

until [ -n "${efi_part}" ]; do
    efi_part=$(
        lsblk -o LABEL,PATH \
        | awk '$1=="EFI-SYSTEM"{print $2}'
    )
done
pmount "${efi_part}" coreos-efi
rsync -ah --ignore-existing RPi4boot/boot/efi/ /media/coreos-efi/
sync; sync; sync
pumount coreos-efi