PREIN

/bin/sh

# delete the mysql group if no mysql user is found, before adding the user
if [ -z "`getent passwd mysql`" ] && ! [ -z "`getent group mysql`" ]; then
    /usr/sbin/groupdel mysql 2> /dev/null || :
fi

/usr/share/rpm-helper/add-user mysql $1 mysql /var/lib/mysql /bin/bash

PREUN

/bin/sh

/usr/share/rpm-helper/del-service mysql $1 mysqld mysqld.service

POSTIN

/bin/sh

# Change permissions so that the user that will run the MySQL daemon
# owns all needed files.
chown -R mysql:mysql /var/lib/mysql /var/run/mysqld /var/log/mysqld

# make sure the /var/lib/mysql directory can be accessed
chmod 711 /var/lib/mysql

/usr/share/rpm-helper/add-service mysql $1 mysqld mysqld.service

POSTUN

/bin/sh

/usr/share/rpm-helper/postun-unit mysql $1 mysqld.service