anchor.diff: -FROM jacknlliu/ubuntu-init:14.04
  +FROM jacknlliu/ubuntu-init:14.04.5
   
   MAINTAINER Jack Liu <jacknlliu@gmail.com>
   
  
positive.code:     \
  # update the repository and install ros packages
      && apt-get update -y \
      && apt-get upgrade -y -q --no-install-recommends \
      && apt-get install -y -q --no-install-recommends apt-utils apt-transport-https aptitude \
      && aptitude install -y -q -R ros-indigo-desktop-full python-rosinstall \
      && rosdep init
  
negative.code: RUN aptitude install -y -q -R libgl1-mesa-glx libgl1-mesa-dri \
      \
  # install amd graphics open source driver
      && aptitude install -y -q -R mesa-vdpau-drivers xserver-xorg-video-ati mesa-utils
  
  # install ros related components
  RUN aptitude install -y -q -R ros-indigo-moveit-full \
  