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#! /bin/sh

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 pw group show ${g} > /dev/null 2>&1; then
    if yesno "Do you want me to remove group \"${g}\"" y; then
        pw group del -n ${g}
        echo "Done."
    else
        GID=`pw group show ${g} | awk -F: '{ print $3 }'`
    fi
    fi
    if pw user show ${u} > /dev/null 2>&1; then
    if yesno "Do you want me to remove user \"${u}\"" y; then
        eval home=~${u}
        pw user del -n ${u} -r
        echo "Done."
        if [ -d "${home}" ]; then
        echo "Please remember to remove the home directory \"${home}\""
        fi

        # pw user del may have removed the group, too.
        # Put it back if the admin asked us to retain it.
        if [ -n "$GID" ]; then
        pw group show ${g} > /dev/null 2>&1
        if [ $? -ne 0 ]; then
            pw group add ${g}
        fi
        fi
    fi
    fi
}

case $2 in
    POST-DEINSTALL)
    delete_account nefu nefu
    ;;
esac