#!/bin/sh

# Copyright (C) 2019-2020 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# shellcheck disable=SC1091
# SC1091: Not following: ... was not specified as input (see shellcheck -x).

# Exit with error if commands exit with non-zero and if undefined variables are
# used.
set -eu

# shellcheck disable=SC2034
# SC2034: ... appears unused. Verify use (or export if used externally).
prefix="/usr"

# Include utilities. Use installed version if available and
# use build version if it isn't.
if [ -e ${prefix}/share/kea/scripts/admin-utils.sh ]; then
    . "${prefix}/share/kea/scripts/admin-utils.sh"
else
    . "/build/kea/src/kea-1.9.8/src/bin/admin/admin-utils.sh"
fi

VERSION=$(pgsql_version "$@")

if [ "$VERSION" != "5.0" ]; then
    printf 'This script upgrades 5.0 to 5.1. '
    printf 'Reported version is %s. Skipping upgrade.\n' "${VERSION}"
    exit 0
fi

psql "$@" >/dev/null <<EOF

START TRANSACTION;

-- Put the auth key in hexadecimal (double size but far more user friendly).
ALTER TABLE hosts ALTER COLUMN auth_key TYPE VARCHAR(32);

-- Set 5.1 schema version.
UPDATE schema_version
    SET version = '5', minor = '1';

-- Schema 5.1a specification ends here.

-- Commit the script transaction
COMMIT;

EOF
