UPD_ROOT="/data"
UPD_DOWNLOAD="$UPD_ROOT/ota_download/extract"
UPD_BACKUP="$UPD_ROOT/ota_bkup/"

if [ ! -d $UPD_ROOT ] ; then
	if [ -e $UPD_ROOT ] ; then
		rm -f $UPD_ROOT
	fi
	mkdir $UPD_ROOT && echo "Create update directory for mounting success." || echo "Create update directory for mounting fail."
fi
mount /dev/mmcblk0p2 /data && echo "Mount partition for updating success." || echo "Mount partition for updating fail."

##
## Check directory for download
##
if [ ! -d  $UPD_DOWNLOAD ] ; then
	if [ -e $UPD_DOWNLOAD ] ; then
		echo "File ["$UPD_DOWNLOAD"] exists, but not directory."
		echo "Try to remove it."
		rm -f $UPD_DOWNLOAD && echo "Remove ok" 1>>/dev/null && 2>>/dev/null || echo "Remove fail"
	else
		echo "File ["$UPD_DOWNLOAD"] not found."
	fi
	echo "Try to create directory["$UPD_DOWNLOAD"]."
	mkdir -p $UPD_DOWNLOAD 1>>/dev/null 2>/dev/null && echo "Create ok" || echo "Create fail"
fi

##
## Check directory for backup
##
if [ ! -d  $UPD_BACKUP ] ; then
        if [ -e $UPD_BACKUP ] ; then
                echo "File ["$UPD_BACKUP"] exists, but not directory."
                echo "Try to remove it."
                rm -f $UPD_BACKUP && echo "Remove ok" 1>>/dev/null && 2>>/dev/null || echo "Remove fail"
        else
                echo "File ["$UPD_BACKUP"] not found."
        fi
        echo "Try to create directory["$UPD_BACKUP"]."
        mkdir -p $UPD_BACKUP 1>>/dev/null 2>/dev/null && echo "Create ok" || echo "Create fail"
fi