Bugifx: addressing two problems at firstlogin script

- removing network manager dependancy
- errors when wireless networking is still not detected

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

@@ -265,11 +265,7 @@ set_timezone_and_locales() {
 	PUBLIC_IP=$(curl --max-time 5 -s https://ipinfo.io/ip)
 
 	# Check if we have wireless adaptor
-	if command -v nmcli > /dev/null 2>&1; then
-		WIFI_DEVICE=$(LC_ALL=C nmcli dev status | grep " wifi " 2> /dev/null)
-	elif command -v iw > /dev/null 2>&1; then
-		WIFI_DEVICE=$(LC_ALL=C iw dev | awk '$1=="Interface"{print $2}' 2> /dev/null)
-	fi
+	WIFI_DEVICE=$(LC_ALL=C iw dev | awk '$1=="Interface"{print $2}' 2> /dev/null)
 
 	if [ -z "$PUBLIC_IP" ]; then
 
@@ -289,43 +285,56 @@ set_timezone_and_locales() {
 			if [[ "${response}" =~ ^(Y|y)$ ]]; then
 
 				# get list of wireless networks
-				echo -e "\nDetected wireless networks:\n"
-				ARRAY=($(sudo iwlist ${WIFI_DEVICE} scanning | egrep 'ESSID' | sed 's/^[ \t]*//' | sed 's/"//g' | sed 's/ESSID://' | awk 'BEGIN{FS=OFS=","} {$NF=++count OFS $NF} 1'))
-				while [[ 1 ]] ; do
-					while [[ 1 ]] ; do
-						for str in ${ARRAY[@]}; do echo $str | sed "s/,/ \t /g"; done
-						read -r -p "Enter a number of SSID: " input
-						if [[ "$input" =~ ^[0-9]{,2}$ ]] ; then break; fi
-					done
-					echo ""
-					# get password
+				scanning=0
+				broken=1
+				while [[ ${scanning} -lt 3 ]]; do
+					sleep 0.5
+					scanning=$(( scanning + 1 ))
+					ARRAY=($(sudo 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'))
+					if [[ $? == 0 ]]; then broken=0; break; fi
+				done
+				# wifi can also fail
+				if [[ ${broken} == 1 ]]; then
+					echo -e "\nWireless connection was \x1B[91mnot detected\x1B[0m.\n"
+				else
+					echo -e "\nDetected wireless networks:\n"
 					while [[ 1 ]] ; do
-						SSID=$(echo ${ARRAY[$input-1]} | cut -d"," -f2)
-						read -r -p "Enter a password for ${SSID}: " password
-						break
+						while [[ 1 ]] ; do
+							for str in ${ARRAY[@]}; do echo $str | sed "s/,/ \t /g"; done
+							read -r -p "Enter a number of SSID: " input
+							if [[ "$input" =~ ^[0-9]{,2}$ ]] ; then break; fi
+						done
+						echo ""
+						# get password
+						while [[ 1 ]] ; do
+							SSID=$(echo ${ARRAY[$input-1]} | cut -d"," -f2)
+							echo ""
+							read -r -p "Enter a password for ${SSID}: " password
+							break
+						done
+
+						# generate config
+						cat <<- EOF > "${SDCARD}"/etc/netplan/30-wifis-dhcp.yaml
+						# Created by Armbian firstlogin script
+						network:
+						  wifis:
+						    ${WIFI_DEVICE}:
+						      dhcp4: yes
+						      dhcp6: yes
+						      access-points:
+						        "$SSID":
+						         password: "${password}"
+						EOF
+
+						# apply to netplan
+						systemctl daemon-reload
+						netplan apply --timeout 0 2>/dev/null
+						sleep 5
+
+						# exit if connection is suffesful
+						if [[ -n $(sudo iw ${WIFI_DEVICE} link | grep "$SSID") ]]; then break; fi
 					done
-
-					# generate config
-					cat <<- EOF > "${SDCARD}"/etc/netplan/30-wifis-dhcp.yaml
-					# Created by Armbian firstlogin script
-					network:
-					  wifis:
-					    ${WIFI_DEVICE}:
-					      dhcp4: yes
-					      dhcp6: yes
-					      access-points:
-					        "$SSID":
-					          password: "${password}"
-					EOF
-
-					# apply to netplan
-					systemctl daemon-reload
-					netplan apply --timeout 0 2>/dev/null
-					sleep 5
-
-					# exit if connection is suffesful
-					if [[ -n $(sudo iw ${WIFI_DEVICE} link | grep "$SSID") ]]; then break; fi
-				done
+				fi # detected or not detected wireless network
 			fi
 			echo ""
 		fi