anchor.diff:  WORKDIR /root/IncludeOS
   COPY . .
   
  -# Ability to specify custom tag that overwrites any existing tag. This will then match the reported IncludeOS version
  +# Ability to specify custom tag that overwrites any existing tag. This will then match what IncludeOS reports itself.
   ARG CUSTOM_TAG
   RUN git describe --tags --dirty > /ios_version.txt
   RUN : ${CUSTOM_TAG:=$(git describe --tags)} && git tag -d $(git describe --tags); git tag $CUSTOM_TAG && git describe --tags --dirty > /custom_tag.txt
  
positive.code:     mkdir -p /etc/fixuid && \
      printf "user: $USER\ngroup: $GROUP\npaths:\n  - /service\n" > /etc/fixuid/config.yml
  
  RUN echo "LANG=C.UTF-8" > /etc/default/locale
  
  #########################
  
  FROM base as source-build
  
  RUN apt-get update && apt-get -y install \
  
negative.code:     && pip install pystache antlr4-python2-runtime && \
      apt-get remove -y python-pip && \
      apt autoremove -y
  
  ARG VCS_REF="Check file /ios_version.txt inside container"
  LABEL org.label-schema.description="Build a service using IncludeOS" \
        org.label-schema.vcs-ref=$VCS_REF \
        org.label-schema.docker.cmd="docker run -v $PWD:/service <container>"
  
  WORKDIR /service
  
  