anchor.diff:  
   MAINTAINER Kyle Manna <kyle@kylemanna.com>
   
  -RUN apt-get update && \
  -    apt-get install -y \
  +RUN apt update && \
  +    apt install -y --no-install-recommends \
                          apt-transport-https \
                          build-essential \
                          ccache \
                          chrpath \
                          cpio \
                          diffstat \
  -                       gosu \
  +                       dvipng \
                          gawk \
                          gcc-multilib \
                          git-core \
  +                       gosu \
                          iputils-ping \
  +                       latexmk\
                          libgtk2.0-0 \
                          libnss-wrapper \
                          libsdl1.2-dev \
  
positive.code:                        && \
      wget -qO - https://packagecloud.io/github/git-lfs/gpgkey | apt-key add - && \
      echo 'deb https://packagecloud.io/github/git-lfs/ubuntu/ trusty main' | tee /etc/apt/sources.list.d/github_git-lfs.list && \
      apt-get update && \
      apt-get install -y git-lfs && \
      apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
      python3 -m pip install --no-cache-dir unittest-xml-reporting
  
  ENV LANG=en_US.UTF-8 \
      WORKDIR=/zynq7 \
  
negative.code:                        repo \
                         socat \
                         texinfo \
                         texlive-fonts-recommended \
                         texlive-latex-extra \
                         unzip \
                         wget \
                         x11-utils \
  