anchor.diff:  RUN sudo apt-get install -y ros-kinetic-desktop-full
   RUN sudo rosdep init
   RUN rosdep update
  -RUN echo "\nsource /opt/ros/kinetic/setup.bash" >> ~/.bashrc
  +RUN printf "%s\n" \
  +           "" \
  +           "source /opt/ros/kinetic/setup.bash" >> ~/.bashrc
   #RUN source ~/.bashrc
   RUN sudo apt-get install -y python-rosinstall python-rosinstall-generator python-wstool build-essential
   
  
positive.code: ARG conda_remove=${utils_bin_dir}/conda-remove
  
  # See https://stackoverflow.com/questions/370047/what-is-the-most-elegant-way-to-remove-a-path-from-the-path-variable-in-bash
  RUN echo "#!/bin/bash\n\n" \
           "source ${conda_remove}\n" \
           "export PATH=${conda_bin_dir}:\${PATH}\n" \
           "source activate cpu" | sudo tee ${conda_add} > /dev/null
  RUN echo "#!/bin/bash\n\n" \
           "source ${conda_bin_dir}/deactivate\n" \
           "export PATH=\$(echo \${PATH} | awk -v RS=: -v ORS=: '/anaconda/ {next} {print}' | sed 's/:*$//')" | sudo tee ${conda_remove} > /dev/null
  
  RUN echo "alias conda-add='source ${conda_add}'" >> ~/.bash_aliases
  RUN echo "alias conda-remove='source ${conda_remove}'" >> ~/.bash_aliases
  
  # By default, we'll remove Conda from the PATH.
  # The user can still run 'conda-add' in a terminal to bring it back.
  
negative.code: #echo "source ~/catkin_ws/devel/setup.bash"  >> ~/.bashrc
  
  # These should be a config in the launch files?
  RUN printf "%s\n" \
             "" \
             "export GAZEBO_MODEL_PATH=~/catkin_ws/src/RoboND-Kinematics-Project/kuka_arm/models:\$GAZEBO_MODEL_PATH" \
             "export GAZEBO_MODEL_PATH=~/catkin_ws/src/RoboND-Perception-Project/pr2_robot/models:\$GAZEBO_MODEL_PATH" \
             "export GAZEBO_MODEL_PATH=~/catkin_ws/src/sensor_stick/models:\$GAZEBO_MODEL_PATH" >> ~/.bashrc
  