#!/bin/bash

# Script to migrate rpmdb from /var/lib/rpm to new rpmdb path in /usr

# Copyright (C) 2022 Neal Gompa <ngompa@fedoraproject.org>.

#

# Fedora-License-Identifier: GPLv2+

# SPDX-2.0-License-Identifier: GPL-2.0+

# SPDX-3.0-License-Identifier: GPL-2.0-or-later

#

# This program is free software.

# For more information on the license, see COPYING or

# <https://www.gnu.org/licenses/gpl-2.0.en.html>.

# For more information on free software, see

# <https://www.gnu.org/philosophy/free-sw.en.html>.

set -euo pipefail

# Script to migrate the rpmdb to /usr

rpmdb_path="$(rpm --eval '%_dbpath')"

rpmdb_path_old="/var/lib/rpm"

rpmdb_path_new="${rpmdb_path}"

if [ "${rpmdb_path}" = "${rpmdb_path_old}" ]; then

	echo "The rpmdb path is still in /var, exiting!"

	exit 0

fi

if [ -L "${rpmdb_path_old}" ]; then

	echo "The rpmdb has already been migrated, exiting!"

	rm -v "${rpmdb_path_old}/.migratedb"

	exit 0

fi

rpm --verbose --rebuilddb

rm -rfv ${rpmdb_path_old}

ln -srv ${rpmdb_path_new} ${rpmdb_path_old}