anchor.diff:  # Ensure the installation works. If this call fails, the whole build will fail.
   RUN sumo
   
  +# Download and compile traci4j library
  +RUN apt-get install -qq -y ssh-client git
  +RUN mkdir -p /opt/traci4j 
  +WORKDIR /opt/traci4j
  +RUN git clone https://github.com/egueli/TraCI4J.git /opt/traci4j && mvn package -Dmaven.test.skip=true
  +
   # Add volume to allow for host data to be used
   RUN mkdir /data
   VOLUME /data
   
  +EXPOSE 1234
   ENTRYPOINT ["sumo"]
   
   CMD ["--help"]
  
positive.code: FROM debian:wheezy
  
  MAINTAINER Oliver Lade <oliver@similitude.org>
  # See http://sumo.dlr.de/wiki/Installing/Linux_Build
  
  ENV SUMO_VERSION 0.21.0
  ENV SUMO_SRC sumo-src-$SUMO_VERSION
  ENV SUMO_HOME /opt/sumo
  
  
negative.code:     libxerces-c3-dev \
      python
  
  # Download and extract source code
  RUN wget http://downloads.sourceforge.net/project/sumo/sumo/version%20$SUMO_VERSION/sumo-src-$SUMO_VERSION.tar.gz
  RUN tar xzf sumo-src-$SUMO_VERSION.tar.gz && \
      mv sumo-$SUMO_VERSION $SUMO_HOME && \
  