anchor.diff: -# This is a full chipyard setup
  +### This is a full chipyard setup
   
   # BUILD BASE FOR CI
   
   FROM ubuntu:18.04 as base
  -# Default branch dev for experimental version
  -ARG CHIPYARD_HASH=dev
  +ARG CHIPYARD_HASH
   
   MAINTAINER https://groups.google.com/forum/#!forum/chipyard
   
  
positive.code: ENTRYPOINT ["chipyard/scripts/entrypoint.sh"]
  
  # END IMAGE CUSTOMIZATIONS
  
negative.code:         git checkout $CHIPYARD_HASH && \
          ./scripts/ubuntu-req.sh 1>/dev/null
  
  
  # BUILD IMAGE WITH TOOLCHAINS
  
  