#!/bin/bash
# Copy the live kernel into the freshly-unpacked target /boot.
#
# archiso keeps vmlinuz/initramfs in the ISO boot dir (arch/boot/x86_64/), NOT
# in the squashfs, so the rootfs that unpackfs lays down has an empty /boot.
# Without a kernel, the chroot's `mkinitcpio -P` and `grub-mkconfig` produce
# nothing and the installed system is unbootable.
#
# Runs in the LIVE environment (Calamares shellprocess, dontChroot) so it can
# read /run/archiso/bootmnt; the target root mount point is passed as $1.
set -uo pipefail

ROOT="${1:?target root required}"
SRC="/run/archiso/bootmnt/arch/boot/x86_64"

install -d -m 0755 "$ROOT/boot"
cp -f "$SRC/vmlinuz-linux" "$ROOT/boot/vmlinuz-linux"

# Microcode, if the live medium carries it (grub-mkconfig picks it up).
for u in amd-ucode.img intel-ucode.img; do
    [ -f "$SRC/$u" ] && cp -f "$SRC/$u" "$ROOT/boot/$u"
done

echo "Copied live kernel into $ROOT/boot"