#!/bin/sh
#----------------------------------------------------------------------------
# /var/install/deinstall/mariadb103 - deinstall script
#
# Creation   :  2017-05-07 holbru
# Last update:  $Id$
#
# Copyright (c) 2017-@@YEAR@@ Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# set package name
package_name=mariadb103

# check for update is given
if [ "${1}" = "--update" ]
then
    update=true
fi

# ---------------------------------------------------------------------------
# stop MariaDB
# ---------------------------------------------------------------------------
if ! /usr/sbin/service is-enabled ${package_name}.service
then
    quiet='--quiet'
fi

/usr/sbin/service ${quiet} stop ${package_name}.service
/usr/sbin/service disable ${package_name}.service   
/usr/sbin/service --quiet stop ${package_name}-backup.timer
/usr/sbin/service disable ${package_name}-backup.timer

/usr/sbin/update-alternatives --quiet --remove mysql /usr/lib/mysql/103/bin/mysql

# ---------------------------------------------------------------------------
# remove symbolic links
# ---------------------------------------------------------------------------
rm -f /etc/rc2.d/K??${package_name}
rm -f /etc/rc2.d/S??${package_name}

# ---------------------------------------------------------------------------
# remove check files
# ---------------------------------------------------------------------------
rm -f /etc/default.d/${package_name}
rm -f /etc/check.d/${package_name}*


rm -f /var/install/menu/setup.services.databases.mariadb103.tools.logfileview.menu

# ---------------------------------------------------------------------------
# stop remove for update only
# ---------------------------------------------------------------------------
if ${update:-false}
then
    exit 0
fi

if [ /etc/config.d/${package_name} ]
then
    . /etc/config.d/${package_name}
fi

# ---------------------------------------------------------------------------
# remove mysql user/group
# ---------------------------------------------------------------------------

# remove mysql from backup group
if [ -n "${MARIADB103_BACKUP_GROUP}" ]
then
    /var/install/bin/remove-user-from-additional-group --user mysql \
        --group ${MARIADB103_BACKUP_GROUP}
fi

# ---------------------------------------------------------------------------
# remove data and backup files
# ---------------------------------------------------------------------------
echo

_ask_tmpfile=$(/usr/bin/mktemp -t XXXXXXXXXXXXX)
/var/install/bin/ask "Remove MariaDB/MySQL database and backup path?" >${_ask_tmpfile}
rc=${?}
read a < ${_ask_tmpfile}
rm -f ${_ask_tmpfile}

# if ask break, ask return 255
if [ ${rc} = 255 ]
then
    a="no"
fi

if [ "${a}" = "yes" ]
then
    rm -rf ${MARIADB103_DATADIR:-/srv/mysql/103}
    rm -rf ${MARIADB103_BACKUP_TARGET:-/srv/mysql_backup/103}
    rm -rf /srv/mysql/103
fi
echo

# ---------------------------------------------------------------------------
# delete cron job
# ---------------------------------------------------------------------------
if [ -f /var/cron/etc/root/${package_name} ]
then
    # delete existing file
    rm -f /var/cron/etc/root/${package_name}
    # update crontab file
    /var/install/config.d/cron --quiet
fi

# ---------------------------------------------------------------------------
# remove config file
# ---------------------------------------------------------------------------
timer_dir='/etc/systemd/system/${package_name}-backup.timer.d'
timer_conf='75-backup-time.conf'

configfiles="/etc/config.d/${package_name}
             /etc/backup.d/${package_name}.*
             /etc/mysql/my103.cnf
             ${timer_dir}/${timer_conf}"

for cfile in ${configfiles}
do
    rm -f ${cfile}
done

if [ ! -d /usr/share/mariadb ]
then
    rm -f /usr/share/mysql
fi

rm -rf /run/mysql/103
rm -rf /var/log/mysqld/103
rmdir --ignore-fail-on-non-empty /var/log/mysqld 2>/dev/null
rm -rf /etc/my103.cnf.d
rm -rf /srv/mysql-files/103
rmdir --ignore-fail-on-non-empty /srv/mysql-files 2>/dev/null

rmdir --ignore-fail-on-non-empty ${timer_dir} 2>/dev/null

/usr/bin/systemctl --no-reload disable --now ${package_name}.service 
/usr/bin/systemctl --no-reload disable --now ${package_name}-backup.timer
/usr/bin/systemctl clean --what=state ${package_name}-backup.timer

exit 0
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------