#!/bin/sh

set -eu

_timestamp=$(cat <<EOF | mysql -s
SELECT
    UNIX_TIMESTAMP(UPDATE_TIME)
FROM
    information_schema.tables
WHERE
    TABLE_SCHEMA='mysql' AND TABLE_NAME LIKE 'time_zone';
EOF
)

if [ "$(rpm -q --queryformat "%{installtime}" tzdata)" -gt "$_timestamp" ]; then
    {
        echo "WARNING: MariaDB timezone data older than sytem timezones"
        echo ""
        echo "Run: mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql mysql"
    } 1>&2
    exit 1
fi