#!/bin/bash

if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

# The RPM postinst packages for "kernel-core" have used kernel-install
# to (quoting from man)
#
#   add KERNEL-VERSION KERNEL-IMAGE
#    kernel-install creates the directory /boot/MACHINE-ID/KERNEL-VERSION/
#    and calls every executable /usr/lib/kernel/install.d/*.install and
#           /etc/kernel/install.d/*.install ...
#
# We just want the initrd in /boot.  Our later grub scripts will fix
# up the bootloader configuration

initrd=$(find /boot -name initrd)
kernel_version=$(rpm -qa | grep kernel | sort | head -n 1 | cut -d '-' -f 2,3)

if [ -n "$initrd" -a $(echo "$initrd" | wc -l) -eq 1 ]; then
    cp $initrd /boot/initrd-$kernel_version.img
else
    echo "Zero or multiple initrds found. This should not happen."
    exit 1
fi