no_unsquashfs=yes

    local unpacked=

    local free=

    local live_mount=

    local retval=0

    local blk_tot pct pct_prev dpct

    local curr_dir=`pwd`

if [ "x$no_unsquashfs" = "xyes" ] ; then

	    live_mount="$( mount | sed '/ type squashfs /!d; s/^.* on [ ]*\([^ ]\+\) type squashfs .*$/\1/')"

	    if [ "x$live_mount" = "x" ] ; then

		    do_notify_error "Can't find squashfs mount point"

		    return 1

	    fi

	    unpacked="$(du -sb ${live_mount} | sed 's,^[ ]*\([0-9]\+\).*$,\1,')"

	    if [ "x$unpacked" = "x" ] ; then

            	do_notify_error "Can't calculate unpacked squashfs size"

	        return 1

	    fi

    	    free=$(free_space "$dst")

    	    if [ $unpacked -gt $free ]; then

 	    	do_notify_error "No free space to unpack squashfs image"

	        return 1

	    fi

	    do_notify_stage install

           blk_tot=$[ ${unpacked} / 1024 ]

	    cd ${live_mount}

           tar cf - . --exclude=dev --exclude=mnt --exclude=proc --exclude=sys \

	    | { 

		cd ${dst}

		LANG=C LC_ALL=C tar xfvR - \

		| {

		   pct_prev=0 ; 

  		   while read dum blk dum  ; do

			blk=${blk/:/};

			pct=$[ $blk * 100 / $tot ];

			dpct=$[ $pct - $pct_prev ] ; 

			if test $dpct -ge 1 ; then

				pct_prev=$pct

				do_notify_status "$pct"

			fi

		   done

		  }

             }

	    mkdir -p -- ${dst}/{dev,mnt,proc,sys}

	    cd ${curr_dir}

else # default:

    if [ $retval -ne 0 ] ; then

            do_notify_error "Can't read squashfs image $img"

            return 1

    fi

fi #end of unsquashfs ...