Adding pi-gen sources as of v9-beta3

pi-gen-sources/files/enable_wifi.sh

@@ -0,0 +1,49 @@
+#! /bin/bash -eu 
+
+HEADLESS_SETUP=false
+
+if [ -e "/boot/teslausb-headless-setup.log" ]
+then
+    HEADLESS_SETUP=true
+fi
+
+
+function setup_progress () {
+  if [ $HEADLESS_SETUP = "true" ]
+  then
+    SETUP_LOGFILE=/boot/teslausb-headless-setup.log
+    echo "$( date ) : $1" >> "$SETUP_LOGFILE"
+  fi
+    echo $1
+}
+
+function enable_wifi () {
+  setup_progress "Detecting whether to update wpa_supplicant.conf"
+  if [ ! -z ${SSID+x} ] && [ ! -z ${WIFIPASS+x} ]
+  then
+      if [ ! -e /boot/WIFI_ENABLED ]
+      then
+        if [ -e /root/bin/remountfs_rw ]
+        then
+          /root/bin/remountfs_rw
+        fi
+        setup_progress "Wifi variables specified, and no /boot/WIFI_ENABLED. Building wpa_supplicant.conf."
+        cp /boot/wpa_supplicant.conf.sample /boot/wpa_supplicant.conf
+        sed -i'.bak' -e "s/TEMPSSID/${SSID}/g" /boot/wpa_supplicant.conf
+        sed -i'.bak' -e "s/TEMPPASS/${WIFIPASS}/g" /boot/wpa_supplicant.conf
+        cp /boot/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
+        touch /boot/WIFI_ENABLED
+        setup_progress "Rebooting..."
+        reboot 
+      fi
+  else 
+    echo "You need to export your desired SSID and WIFI pass like:"
+    echo "  export SSID=your_ssid"
+    echo "  export WIFIPASS=your_wifi_pass"
+    echo ""
+    echo "Then re-run enable_wifi.sh"
+
+  fi
+}
+
+enable_wifi