anchor.diff:  RUN mkdir $INTEGRATION_DIR
   WORKDIR $INTEGRATION_DIR
   
  -
   COPY fetch_dependencies.sh build_daikon.sh ./
   RUN bash fetch_dependencies.sh 1
  -
  -RUN mkdir corpus
  -COPY corpus.json corpus.json
   
   COPY *.py ./
   COPY *.sh ./
  
positive.code:     vim \
      ruby1.9
  
  
  COPY requirements.txt /tmp/
  RUN pip install -r /tmp/requirements.txt
  
  
negative.code: COPY pa2checker pa2checker
  COPY simprog simprog
  
  RUN mkdir -p /persist/integration/corpus
  RUN mkdir -p /persist/integration/results
  RUN touch /persist/integration/corpus.json
  
  RUN ln -s /persist/integration/corpus $INTEGRATION_DIR/corpus
  RUN ln -s /persist/integration/corpus.json $INTEGRATION_DIR/corpus.json
  RUN ln -s /persist/integration/results $INTEGRATION_DIR/results
  RUN rm -rf /persist/integration/
  
  CMD ["bash"]
  
  