anchor.diff:    && apt-get autoremove -y --purge \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
     && rm -rf /var/lib/{apt,dpkg,cache,log}/
  -
  -# Install the diff-highlight script
  -RUN mkdir -p /root/bin \
  -  && wget -O /root/bin/diff-highlight https://raw.githubusercontent.com/git/git/fd99e2bda0ca6a361ef03c04d6d7fdc7a9c40b78/contrib/diff-highlight/diff-highlight \
  -  && chown root: /root/bin/diff-highlight \
  -  && chmod +x /root/bin/diff-highlight
   
   # Utilities needed for gopro video & image processing
   RUN apt-get -qq update \
  
positive.code:   && apt-get -qq update \
    && apt-get install -y \
      git \
    && apt-get clean autoclean \
    && apt-get autoremove -y --purge \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
  
negative.code: 
  # Configure timezone and locale
  RUN apt-get -qq update \
    && apt-get install -y language-pack-en-base tzdata \
    && echo "America/Toronto" > /etc/timezone \
    && ln -fs /usr/share/zoneinfo/Canada/Eastern /etc/localtime && dpkg-reconfigure -f noninteractive tzdata \
    && echo "LANG=en_US.UTF-8" > /etc/default/locale \
  