# PK_VERSION

# PK_ARCHIVE

pkunpack() {

    if [ ${PK_ARCHIVE: -7} == ".tar.gz" ]; then

        if ! tar -xzf "$DOWNLOAD_PACKET_DIR/$PK_ARCHIVE"; then

            return 1

        fi

    elif [ ${PK_ARCHIVE: -7} == ".tgz" ]; then

        if ! tar -xzf "$DOWNLOAD_PACKET_DIR/$PK_ARCHIVE"; then

            return 1

        fi

    else

        if ! tar -xf "$DOWNLOAD_PACKET_DIR/$PK_ARCHIVE"; then

            return 1

        fi

    fi

    if [ -z "$PK_VERSION" ]; then

        PK_VERSION="$(pkhook_version)"

        [ $? -eq 0 ] || return 1

    fi

    echo "$PK_VERSION" > "$UNPACK_PACKET_DIR/version-$NAME"

    [ $? -eq 0 ] || return 1

    return 0

}