#!/bin/bash
# Multi-distro boot hook: copies kernel + initrd to the EFI partition
# using distro-specific names. Reads /etc/ps5-distro for current distro.
set -e
BOOT_PART="/boot/efi"
KVER="$1"
[ -z "$KVER" ] && KVER="$(ls -1t /lib/modules | head -1)"

DISTRO="unknown"
[ -f /etc/ps5-distro ] && DISTRO="$(cat /etc/ps5-distro)"

cp "/boot/vmlinuz-$KVER"    "$BOOT_PART/bzImage"
cp "/boot/initrd.img-$KVER" "$BOOT_PART/initrd-${DISTRO}.img"

# Ubuntu 26.04 is default boot — also update the generic initrd.img
if [ "$DISTRO" = "ubuntu2604" ]; then
    cp "/boot/initrd.img-$KVER" "$BOOT_PART/initrd.img"
fi

echo ">> Kernel $KVER deployed to $BOOT_PART (distro=$DISTRO)"