anchor.diff:  MAINTAINER Takaki Ueno
   
   # Change environment related to ROS
  -ENV ROS_PACKAGE_PATH=/root/catkin_ws/src:/opt/ros/kinetic/share \
  +ENV ROS_PACKAGE_PATH=/root/catkin_ws/src:/opt/ros/kinetic/share:/root/src/Firmware:/root/src/Firmware/Tools/sitl_gazebo \
       ROS_ETC_DIR=/opt/ros/kinetic/etc/ros \
       ROS_ROOT=/opt/ros/kinetic/share/ros \
       ROS_MASTER_URI=http://localhost:11311 \
       ROS_DISTRO=kinetic \
  -    ROSLISP_PACKAGE_DIRECTORIES=/root/catkin_ws/devel_isolated/share/common-lisp
  +    ROSLISP_PACKAGE_DIRECTORIES=/root/catkin_ws/devel_isolated/share/common-lisp \
  +    GAZEBO_MODEL_PATH=/root/catkin_ws/src/px4_simulation_stack/Tools/sitl_gazebo/models
   
   # Set an argument to avoid debconf error,
   # but this does not seem to work.
  
positive.code: RUN /bin/bash -c ". /opt/ros/kinetic/setup.bash && \
      yes | source ubuntu_sim_ros_gazebo.sh"
  
  # Build catkin workspace
  WORKDIR /root/catkin_ws
  RUN /bin/bash -c ". /opt/ros/kinetic/setup.bash && \
      rm -rf devel build && \
      catkin_make_isolated"
  RUN echo "source /root/catkin_ws/devel_isolated/setup.bash" >> /root/.bashrc
  
negative.code:     unzip \
      vim \ 
      wget
  RUN apt-get install -y default-jdk
     
  # Overwrite bashrc
  RUN echo "source /opt/ros/kinetic/setup.bash" >> /root/.bashrc
  
  # Create catkin workspace
  RUN mkdir -p /root/catkin_ws/src
  