openbsd-ports/databases/mysql/pkg/INSTALL

#!/bin/sh
# $OpenBSD: INSTALL,v 1.12 2000/11/03 00:54:09 espie Exp $
#
# Pre/post-installation setup of MySQL

PATH=/bin:/usr/bin:/sbin:/usr/sbin
PREFIX=${PKG_PREFIX:-/usr/local}
DB_DIR=${DB_DIR}

do_notice_pre_install()
{
    echo
    echo "+---------------"
    echo "| You appear to already have a MySQL database directory in $DB_DIR"
    echo "|"
    echo "| In order to preserve your existing data, you should:"
    echo "|          - dump all your databases"
    echo "|          - kill MySQL if it's running"
    echo "|          - delete the $DB_DIR directory"
    echo "|          - install MySQL"
    echo "|          - start up MySQL"
    echo "|          - re-create all of your database"
    echo "|          - re-load your data"
    echo "+---------------"
    echo
    exit 1
}

do_pre_install()
{
    # Create mysql user and group
    groupinfo -e mysql
    if [ $? -eq 0 ]; then
        echo "===> Using mysql group for MySQL"
    else
	echo "===> Creating mysql group"
	groupadd mysql
    fi
    userinfo -e mysql
    if [ $? -eq 0 ]; then
        echo "===> Using mysql user for MySQL"
    else
	echo "===> Creating mysql user"
	useradd -g mysql -d /nonexistent -c 'MySQL Account' -s /sbin/nologin mysql
    fi
}

do_post_install()
{
install -d -o mysql -g mysql -m 711 $DB_DIR

# The shell is switched back to /bin/sh to ensure that the database
# creation can proceed successfully
chpass -s /bin/sh mysql
su mysql -c $PREFIX/bin/mysql_install_db
chpass -s /sbin/nologin mysql
}

# Verify/process the command
#
case $2 in 
    PRE-INSTALL)
	if [ -d $DB_DIR ]; then
	    do_notice_pre_install $1
	fi
	do_pre_install
	;;
    POST-INSTALL)
	do_post_install
	;;
    *)
	echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2
	exit 1
	;;  
esac

exit 0