#!/bin/sh
#
# Copyright IBM Corp. 2021
#
# s390-tools is free software; you can redistribute it and/or modify
# it under the terms of the MIT license. See LICENSE for details.
#

OPTION=NGDUMP
PREREQ=""

prereqs()
{
	echo "$PREREQ"
}

case "${1}" in
	prereqs)
		prereqs
		exit 0
		;;
esac

. /usr/share/initramfs-tools/hook-functions

#
# Install required kernel modules
#
manual_add_modules nvme ext4
block_dev_mod_add "$NGDUMP_DEVICE"

#
# Installs required tools
#
for tool in logsave findmnt sha256sum makedumpfile; do
	path=$(command -v "$tool")
	if [ ! -e "$path" ]; then
		echo "$tool not found" >&2
		exit 1
	fi
	copy_exec $path
done

force_load nvme

#
# Store the dump partition in a config file within initramfs.
# The config file will be included by the dump script.
#
echo "NGDUMP_DEVICE=${NGDUMP_DEVICE}" > "${DESTDIR}/conf/conf.d/ngdump"