freebsd-ports/mail/mixminion/pkg-deinstall

#! /bin/sh
#
# taken from net/cvsup-mirror

PATH=/bin:/usr/sbin

MIXMINION_USER=${MIXMINION_USER:-_mixminion}
MIXMINION_GROUP=${MIXMINION_GROUP:-_mixminion}

ask() {
    local question default answer

    question=$1
    default=$2
    if [ -z "${PACKAGE_BUILDING}" -a -z "${BATCH}" ]; then
	read -p "${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}\""
	fi
    fi
}

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

delete_account ${MIXMINION_USER} ${MIXMINION_GROUP}