Set variant during image build

src/freedombone-image

 	 WIFI_TYPE="$WIFI_TYPE" \
 	 WIFI_PASSPHRASE="$WIFI_PASSPHRASE" \
 	 WIFI_HOTSPOT="$WIFI_HOTSPOT" \
-	 WIFI_NETWORKS_FILE="$WIFI_NETWORKS_FILE"
+	 WIFI_NETWORKS_FILE="$WIFI_NETWORKS_FILE" \
+	 VARIANT="$VARIANT"
 	 
 if [ ! "$?" = "0" ]; then
 	echo $'Build failed'

src/freedombone-image-customise

 
 PROJECT_REPO="https://github.com/bashrc/${PROJECT_NAME}"
 
+VARIANT='full'
+
 # username created by default within a debian image
 GENERIC_IMAGE_USERNAME='fbone'
 
 	if [[ $GENERIC_IMAGE == "no" ]]; then
 		return
 	fi
-	VARIANT="full"
 	if [ $CONFIG_FILENAME ]; then
 		if [[ "$CONFIG_FILENAME" == *"mesh.cfg"* ]]; then
 			VARIANT="mesh"
 	if [[ $VARIANT != "mesh" || $DEBIAN_INSTALL_ONLY != "no" ]]; then
 		return
 	fi
+
 	mesh_firewall
 	mesh_avahi
 	mesh_batman

src/freedombone-image-make

 export WIFI_PASSPHRASE
 export WIFI_HOTSPOT
 export WIFI_NETWORKS_FILE
+export VARIANT
 
 # Locate vmdebootstrap program fetched in Makefile
 basedir=`pwd`
 sudo sed -i "s|WIFI_PASSPHRASE=.*|WIFI_PASSPHRASE=\"${WIFI_PASSPHRASE}\"|g" $TEMP_CUSTOMISE
 sudo sed -i "s|WIFI_HOTSPOT=.*|WIFI_HOTSPOT=\"${WIFI_HOTSPOT}\"|g" $TEMP_CUSTOMISE
 sudo sed -i "s|WIFI_NETWORKS_FILE=.*|WIFI_NETWORKS_FILE=\"${WIFI_NETWORKS_FILE}\"|g" $TEMP_CUSTOMISE
+sudo sed -i "s|VARIANT=.*|VARIANT=\"${VARIANT}\"|g" $TEMP_CUSTOMISE
 
 echo $"starting $VMDEBOOTSTRAP"
 # Run vmdebootstrap script to create image