Revert before merging - IIAB using JV sept12-testing

iiab-upgrade

@@ -12,7 +12,7 @@ IIABENV=$CONFDIR/iiab.env
 FLAGDIR=$CONFDIR/install-flags
 APT_PATH=/usr/bin/apt    # Avoids problematic /usr/local/bin/apt on Linux Mint
 REINSTALL=""
-INTERACTIVE=0
+INTERACTIVE=1
 UPDATE=0
 MASTER=1
 #test="none"
@@ -66,6 +66,11 @@ function update_master(){
         echo -e "\nUpdating iiab"
         git checkout master
         git pull
+        if [ $test != "none" ]; then
+            git branch -D $test &> /dev/null || true
+            git checkout -b $test
+            git pull https://github.com/jvonau/iiab.git sept12-testing
+        fi
         NEWREV=$(grep iiab_revision vars/default_vars.yml | awk '{print $2}')
     fi
     cd $BASEDIR