Update dietpi/func/dietpi-banner

Happy with that.

Co-authored-by: MichaIng <[email protected]>

dietpi/func/dietpi-banner

@@ -264,18 +264,18 @@ $GREEN_LINE"
 		(( ${aENABLED[8]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[8]} $GREEN_SEPARATOR $(df -h --output=avail /mnt/dietpi_userdata | mawk 'NR==2 {print $1}' 2>&1)"
 		# Weather
 		(( ${aENABLED[9]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[9]} $GREEN_SEPARATOR $(curl -sSfLm 3 'https://wttr.in/?format=4' 2>&1)"
-		# Certificate
-		local certinfo='No certificate found'
-		local letsencrypt=/etc/letsencrypt
-		if [[ -d "$letsencrypt" ]];
+		# Let's Encrypt cert status
+		if (( ${aENABLED[16]} == 1 ))
 		then
-			for i in "$letsencrypt"/live/*/cert.pem
+			local i certinfo='No certificate found'
+			for i in /etc/letsencrypt/live/*/cert.pem
 			do
-				certinfo=$(openssl x509 --enddate --noout --in "$i" | mawk '/notAfter=/{print substr($2,1) "-" substr($1,10) "-" substr($4,1) " @ " substr($3,1)}' 2>&1)
+				[[ -f $i ]] || continue
+				certinfo=$(openssl x509 --enddate --noout --in "$i" | mawk '/notAfter=/{print "Valid until " substr($2,1) "-" substr($1,10) "-" substr($4,1) " @ " substr($3,1)}' 2>&1)
 				break
 			done
+			echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[16]} $GREEN_SEPARATOR $certinfo"
 		fi
-		(( ${aENABLED[16]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[16]} $GREEN_SEPARATOR $certinfo"
 		# Custom
 		(( ${aENABLED[10]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[10]} $GREEN_SEPARATOR $(bash "$FP_CUSTOM" 2>&1)"
 		# MOTD