anchor.diff:  #    pip3 install /var/fontbakery;
   
   # FIXME: probably all `pip3 install dependencies should be in requirements.txt
  +
  +# See: https://github.com/fonttools/ttfautohint-py/issues/5
  +RUN apt-get install -y flex autotools-dev libtool bison cmake
  +RUN pip install scikit-build
  +RUN pip install git+https://github.com/fonttools/ttfautohint-py.git@v0.4.3#egg=ttfautohint-py
  +
   RUN pip3 install fontbakery;
   
   # tools used for live debugging and profiling
  
positive.code: # eoan == 19.08 NOT LTS  End of Life: July, 2020
  FROM ubuntu:eoan
  
  RUN touch /tmp/cache_spoof_1
  
  
  # START TZCONFIG FIX suggested in:
  
negative.code: ADD requirements.txt /var/python/requirements.txt
  RUN pip3 install -r /var/python/requirements.txt
  
  RUN touch /tmp/cache_spoof_2
  
  # FIXME: doesn't install all dependencies!
  # RUN pip3 install git+https://github.com/graphicore/fontbakery@dashboard_related
  