# 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="$(echo "$NAME" | cut -d'-' -f 2-)"

	fi

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

	[ ! $? -eq 0 ] && return 1

	return 0

}