no_unsquashfs=yes

    local unpacked=

    local free=

    local live_mount=

    local retval=0

    local curr_dir=`pwd`

    local list_du tot sd s d IFS_bak bytes_done pct_done blk_done blk_cur bytes_per_blk bytes_cur pct_cur

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

	    cd $live_mount

	    #tot_du=`du -sb . | sed 's,[ \t].*$,,'`

	    list_du=$(

	    	LANG=C LC_ALL=C \

		du -sb `ls -1 | \

		        grep -vE "^dev|^image|^media|^proc|^sys|^mnt|^sys"`  | \

			sort -r -g | \

			tr '\n' ';'

	    )

#	    echo list_du:$list_du: > /tmp/i.log

	    IFS_bak=$IFS

	    IFS=';'

	    tot=0

	    for sd in $list_du ; do

		s=`echo $sd | sed 's,[ \t].*$,,'`

		d=`echo $sd | sed 's,^[^ \t]\+[ \t]\+,,'`

		tot=`expr $s + $tot`

	    done

	    if test $tot -eq 0 ; then 

		tot=1

	    fi

#	    echo "tot:$tot" >> /tmp/i.log

	    bytes_done=0

	    pct_done=0

	    blk_done=0

	    blk_cur=0

	    bytes_per_blk=1024

	    for sd in $list_du ; do

		s=`echo $sd | sed 's,[ \t].*$,,'`

		d=`echo $sd | sed 's,^[^ \t]\+[ \t]\+,,'`

		cd $live_mount

#		echo "---- dir $d -- du -sb: $s -----" >> /tmp/i.log

		blk_done=$(

		        export LANG=C LC_ALL=C

			tar cf - $d \

			| { 

			   cd $dst

			   tar xfvR - -b 2 --checkpoint=100

			  } 2>&1 \

			| sed '/^tar: Read/!d;s,^.*point[ \t]\+,,'  \

			| {

			    blk_cur=$blk_done

			    while read blk ; do

				bytes_cur=`expr $bytes_done + $blk \* $bytes_per_blk `

				pct_cur=`expr $bytes_cur \* 100 / $tot`

				#echo blk: $blk bytes_cur: $bytes_cur pct_cur: $pct_cur >> /tmp/i.log

				if test $pct_cur -gt $pct_done ; then

					pct_done=$pct_cur

					if test $pct_done -ge 100 ; then

						pct_done=99

					fi

					#echo MSG $pct_done % >> /tmp/i.log

                			do_notify_status "$pct_done"

				fi

				blk_cur=`expr $blk_done + $blk`

				#echo blk_cur: $blk_cur >> /tmp/i.log

			    done

			    echo $blk_cur

			   }

		)

		bytes_done=`expr $bytes_done + $s`

		pct_done=`expr $bytes_done \* 100 / $tot`

		if test $pct_done -gt 100 ; then

			pct_done=100

		fi

		bytes_per_blk=`expr $bytes_done / $blk_done`

		#echo blk_done: $blk_done : $bytes_per_blk >>/tmp/i.log

		#echo bytes_done: $bytes_done pct_done: $pct_done >>/tmp/i.log

		#echo MSG $pct_done % >> /tmp/i.log

		#echo "====================" >> /tmp/i.log

                do_notify_status "$pct_done"

	    done

	    IFS=$IFS_bak

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

	    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 ...