#! /bin/sh
#
# $FreeBSD$
#

user=sybase
group=sybase
homedir=${PREFIX}/sybase-ase

ask() {
    local question default answer

    question=$1
    default=$2
    if [ -z "${PACKAGE_BUILDING}" ]; then
	read -p "${question} [${default}]? " answer
    fi
    if [ x${answer} = x ]; then
	answer=${default}
    fi
    echo ${answer}
}

yesno() {
    local dflt question answer

    question=$1
    dflt=$2
    while :; do
	answer=$(ask "${question}" "${dflt}")
	case "${answer}" in
	[Yy]*)		return 0;;
	[Nn]*)		return 1;;
	esac
	echo "Please answer yes or no."
    done
}

make_account() {
    local u g gcos home

    u=$1
    g=$2
    gcos=$3
    home=$4

    if pw group show "${g}" >/dev/null 2>&1; then
	echo "You already have a group \"${g}\", so I will use it."
    else
	echo "You need a group \"${g}\"."
	if which -s pw && yesno "Would you like me to create it" y; then
	    pw groupadd ${g} || exit
	    echo "Done."
	else
	    echo "Please create it, and try again."
	    if ! grep -q "^${u}:" /etc/passwd; then
		echo "While you're at it, please create a user \"${u}\" too,"
		echo "with a default group of \"${g}\"."
	    fi
	    exit 1
	fi
    fi

    if pw user show "${u}" >/dev/null 2>&1; then
	echo "You already have a user \"${u}\", so I will use it."
    else
	echo "You need a user \"${u}\"."
	if which -s pw && yesno "Would you like me to create it" y; then
	    pw useradd ${u} -g ${g} -d ${home} -c "${gcos}" || exit
	    echo "Done."
	else
	    echo "Please create it, and try again."
	    exit 1
	fi
    fi

}

delete_account() {
    local u g

    u=$1
    g=$2
    if yesno "Do you want me to remove group \"${g}\"" y; then
	pw groupdel -n ${g}
	echo "Done."
    fi
    if yesno "Do you want me to remove user \"${u}\"" y; then
	pw userdel -n ${u}
	echo "Done."
    fi
}

case $2 in

PRE-INSTALL)
    if which -s pw ; then
	:
    else
	cat <<EOF

This system looks like a pre-2.2 version of FreeBSD.  I see that it
is missing the "pw" utility.  I need this utility.
Please get it and install it, and try again.  You can get the
source from:

  ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/usr.sbin/pw.tar.gz

EOF
	exit 1
    fi

    echo ""
    make_account ${user} ${group} "Sybase User" ${homedir}
    ;;

DEINSTALL)
    delete_account ${user} ${group}
    ;;

esac