anchor.diff:      echo "deb http://shell.ninthgate.se/packages/debian wheezy main" > /etc/apt/sources.list.d/plexmediaserver.list && \
       curl http://shell.ninthgate.se/packages/shell.nintghate.se.gpg.key | apt-key add - && \
       apt-get -q update && \
  -    apt-get install -qy --force-yes plexmediaserver && \
  +    apt-get install -qy plexmediaserver && \
       apt-get -y autoremove && \
       apt-get -y clean && \
       rm -rf /var/lib/apt/lists/* && \
  
positive.code: RUN echo "force-unsafe-io" > /etc/dpkg/dpkg.cfg.d/02apt-speedup &&\
      echo "Acquire::http {No-Cache=True;};" > /etc/apt/apt.conf.d/no-cache && \
      apt-get -q update && \
      apt-get -qy --force-yes dist-upgrade && \
      apt-get install -qy --force-yes \
        iproute2 \
        ca-certificates \
        openssl \
  
negative.code: FROM ubuntu:16.04
  MAINTAINER Tim Haak <tim@haak.co>
  
  ENV DEBIAN_FRONTEND="noninteractive" \
  