anchor.diff:  # IRODS
   
   # Environments
  +# ENV IRODS4VERSION 1.10
   ENV IRODS4VERSION 1.8
  -# ENV IRODS4VERSION 1.9
   ENV IRODSVERSION 4.$IRODS4VERSION
   ENV OSVERSION ubuntu14
   ENV IRODSFTP "ftp://ftp.renci.org/pub/irods"
  
positive.code:     rm -rf /var/lib/cache /var/lib/log
  
  # ADD services which are not so common
  RUN pip3 install --upgrade \
      # class as easy store of attributes
      attrs \
      pyopenssl flask-oauthlib \
      # necessary to use uwsgi
      uwsgi uwsgitop \
  
negative.code: 
  # compatible with 4.1.8
  ENV GSIVERSION 1.2
  # # compatible with 4.1.10
  # ENV GSIVERSION 1.4
  ENV IRODSGSI "$IRODSFTP/plugins/irods_auth_plugin_gsi/$GSIVERSION"
  # ENV SLIBS /sharedlibs
  # RUN mkdir $SLIBS
  