Add support for multiple wireless devies at firstlogin

Author: igorpecovnik

packages/bsp/common/usr/lib/armbian/armbian-firstlogin

@@ -284,13 +284,29 @@ set_timezone_and_locales() {
 			done
 			if [[ "${response}" =~ ^(Y|y)$ ]]; then
 
+				# We could have multiple devices
+				if (( $(grep -c . <<<"$WIFI_DEVICE") > 1 )); then
+					scanning=0
+					while [[ ${scanning} -lt 3 ]]; do
+						scanning=$(( scanning + 1 ))
+						echo -e "\nMultiple wireless adaptors detected. Choose primary:\n"
+						WIFI_DEVICES=($(printf '%s\n' "${WIFI_DEVICE[@]}" | sed 's/^[ \t]*//' | sed 's/"//g' | sed 's/ESSID://' | awk 'BEGIN{FS=OFS=","} {$NF=++count OFS $NF} 1'))
+						for str in ${WIFI_DEVICES[@]}; do echo $str | sed "s/,/ \t /g"; done
+						echo ""
+						read -r -p "Enter a number of wireles adaptor: " input
+						if [[ "$input" =~ ^[0-9]{,2}$ && -n "$input" ]] ; then break; fi
+					done
+					[[ -z $input ]] && input=1
+					WIFI_DEVICE=$(echo ${WIFI_DEVICES[$input-1]} | cut -d"," -f2)
+				fi
+
 				# get list of wireless networks
 				scanning=0
 				broken=1
 				while [[ ${scanning} -lt 3 ]]; do
 					sleep 0.5
 					scanning=$(( scanning + 1 ))
-					ARRAY=($(iwlist ${WIFI_DEVICE} scanning 2> /dev/null | egrep 'ESSID' | sed 's/^[ \t]*//' | sed 's/"//g' | sed 's/ESSID://' | awk 'BEGIN{FS=OFS=","} {$NF=++count OFS $NF} 1'))
+					ARRAY=($(iwlist ${WIFI_DEVICE} scanning 2> /dev/null | egrep 'ESSID' | sed 's/^[ \t]*//' | sed 's/"//g' | sed 's/ESSID://' | sed '/^$/d' | sort | uniq | awk 'BEGIN{FS=OFS=","} {$NF=++count OFS $NF} 1'))
 					if [[ $? == 0 ]]; then broken=0; break; fi
 				done
 				# wifi can also fail