self-update testing

Author: jvonau

iiab-upgrade

@@ -95,12 +95,13 @@ function update_self() {
         echo -e "\nUpdating iiab-factory"
         cd iiab-factory
         git checkout master
+        git pull
         if [ $test != "none" ]; then
             git checkout $test
+            git pull https://github.com/jvonau/iiab-factory.git $test
         fi
-        git pull
         NEW_VERSION=$(grep RELEASE $SCRIPT | awk -F = '{print $2}' | head -n 1)
-        cp $SCRIPT /usr/sbin/$SCRIPT
+        cp --remove-destination $SCRIPT /usr/sbin/$SCRIPT
         echo "Latest $SCRIPT now installed"
         if [ $NEW_VERSION -gt $RELEASE ]; then
             echo " *** Relaunching $SCRIPT after update"