#! /bin/sh

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
}

delete_account() {
    local u g home

    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
	eval home=~${u}
	pw userdel -n ${u}
	echo "Done."
	if [ -d "${home}" ]; then
	    echo "Please remember to remove the home directory \"${home}\" as"
	    echo "well as the mirrored files."
	fi
    fi
}

if [ x$2 != xDEINSTALL ]; then
    exit
fi

export PATH=/bin:/usr/bin:/usr/sbin

base=${PKG_PREFIX}/etc/cvsup

. ${base}/config.sh || exit

if ps -axc | grep -q cvsupd; then
    if yesno "There are some cvsupd processes running.  Shall I kill them" y
    then
	killall cvsupd
	sleep 2
    else
	echo "OK ... I hope you know what you are doing."
    fi
fi

tmp="/etc/#cvsma$$"
trap "rm -f ${tmp}" 0 1 2 3 15

rm -rf ${base}/prefixes
rm -f ${base}/.start_server

if yesno "Do you want me to remove scheduled updates from \"/etc/crontab\"" y
then
    sed "/\/etc\/cvsup\/update\.sh/d" /etc/crontab >${tmp} || exit
    chmod 644 ${tmp}
    mv ${tmp} /etc/crontab || exit
    echo "Done."
fi

if yesno \
    "Do you want me to remove the cvsupd logging from \"/etc/syslog.conf\"" y
then
    sed "/^!cvsupd/,/cvsupd\.log\$/d" /etc/syslog.conf >${tmp} || exit
    chmod 644 ${tmp}
    mv ${tmp} /etc/syslog.conf || exit

    if [ -f /var/run/syslog.pid ]; then
	echo "Giving syslogd a kick in the pants."
	kill -HUP $(cat /var/run/syslog.pid)
    fi
    echo "Done."
fi

if yesno "Do you want me to remove the cvsupd log entry from \
\"/etc/newsyslog.conf\"" y; then
    sed "/cvsupd\.log/d" /etc/newsyslog.conf >${tmp} || exit
    chmod 644 ${tmp}
    mv ${tmp} /etc/newsyslog.conf || exit
    echo "Done."
fi

delete_account ${user} ${group}
delete_account ${cuser} ${cgroup}