Variable checks in case populated in conf file

setup/pi/setup-teslausb

@@ -1,12 +1,10 @@
 #!/bin/bash -eu
 
-USER_ENABLED_PUSHOVER=false
+USER_ENABLED_PUSHOVER=${USER_ENABLED_PUSHOVER:-false}
 SETUP_LOGFILE=/boot/teslausb-headless-setup.log
 REPO=${REPO:-cimryan}
 BRANCH=${BRANCH:-master}
 HEADLESS_SETUP=${HEADLESS_SETUP:-false}
-REPO=rtgoodwin
-BRANCH=headless-patch
 
 
 if ! [ $(id -u) = 0 ]
@@ -17,12 +15,19 @@ fi
 
 function setup_progress () {
   if [ $HEADLESS_SETUP = "true" ]
+  then
     echo "$( date ) : $1" >> "$SETUP_LOGFILE"
-  else
-    echo $1
   fi
+    echo $1
 }
 
+function headless_populate_variables () {
+  # Pull in the conf file variables to make avail to this script and subscripts
+  if [ -e /boot/teslausb_setup_variables.conf ] && [ $HEADLESS_SETUP = "true" ]
+  then
+    source /boot/teslausb_setup_variables.conf
+  fi
+}
 
 function headless_mark_setup_failed () {
   setup_log "ERROR: Setup Failed."