anchor.diff:  # build PyTAPS
   RUN cd $HOME/opt \
     && wget https://pypi.python.org/packages/source/P/PyTAPS/PyTAPS-1.4.tar.gz \
  -  && tar zxvf PyTAPS-1.4.tar.gz \ 
  +  && tar zxvf PyTAPS-1.4.tar.gz \
     && rm PyTAPS-1.4.tar.gz \
     && cd PyTAPS-1.4/ \
  -  && python setup.py --iMesh-path=$HOME/opt/moab --without-iRel --without-iGeom install --user \ 
  +  && python setup.py --iMesh-path=$HOME/opt/moab --without-iRel --without-iGeom install --user \
     && cd .. \
     && rm -rf PyTAPS-1.4
   
  
positive.code: 
  ENV LD_LIBRARY_PATH $HOME/.local/lib:$LD_LIBRARY_PATH
  
  RUN cd $HOME/opt/pyne && ./scripts/nuc_data_make \
      && cd tests \ 
      && ./travis-run-tests.sh \
      && echo "PyNE build complete. PyNE can be rebuilt with the alias 'build_pyne' executed from $HOME/opt/pyne"
  
negative.code: RUN cd $HOME/opt \
    && mkdir moab \
    && cd moab \
    && git clone https://bitbucket.org/fathomteam/moab \
    && cd moab \
    && git checkout -b Version4.9.1 origin/Version4.9.1 \
    && autoreconf -fi \
    && cd .. \
    && mkdir build \
    && cd build \
    && ../moab/configure --enable-shared --enable-dagmc --with-hdf5=/usr/lib/x86_64-linux-gnu/hdf5/serial --prefix=$HOME/opt/moab \
  