anchor.diff:  
   # Install dependencies in one command to avoid potential use of previous cache
   # like explained here: https://stackoverflow.com/a/37727984
  -RUN apt-get update && apt-get install -y \
  +RUN apt-get update && \
  +    apt-get install -y \
  +        build-essential \
  +        chrpath \
  +        coreutils \
  +        cpio \
  +        curl \
  +        cvs \
  +        diffstat \
  +        g++-multilib \
  +        gawk \
  +        gcc-multilib \
  +        git-core \
  +        graphviz \
  +        help2man \
  +        iptables \
  +        iputils-ping \
  +        libfdt1 \
  +        libsdl1.2-dev \
  +        libxml2-utils \
  +        locales \
  +        m4 \
           openssh-server \
  -        iptables \
  -        cvs \
  -        coreutils \
  +        python \
  +        python-pysqlite2 \
  +        python3 \
           python3-pip \
  -        libfdt1 \
  -        python-pysqlite2 \
  -        help2man \
  -        libxml2-utils \
  -        libsdl1.2-dev \
  -        graphviz \
           qemu-user \
  -        g++-multilib \
  -        curl \
           repo \
           rsync \
  -        m4
  +        screen \
  +        socat \
  +        subversion \
  +        sudo \
  +        sysstat \
  +        texinfo \
  +        tmux \
  +        unzip \
  +        wget \
  +        xz-utils
  +
  +RUN apt-get clean
   
   # For Yocto bitbake -c testimage XML reporting
   RUN pip3 install unittest-xml-reporting
  
positive.code: RUN echo 'yoctouser:yoctouser' | chpasswd
  RUN echo 'yoctouser ALL=(ALL) NOPASSWD:SETENV: ALL' > /etc/sudoers.d/yoctouser
  
  # Set up git and repo
  USER yoctouser
  ADD --chown=yoctouser:yoctouser cookbook /tmp/cookbook/
  # Set up git config --global stuff
  RUN /tmp/cookbook/system-config/vagrant-ssh-user.sh
  
  
negative.code: # The downloaded script is needed since git-lfs is not available per default for Ubuntu 16.04
  RUN curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash && sudo apt-get install -y git-lfs
  
  # Remove all apt lists to avoid build caching
  RUN rm -rf /var/lib/apt/lists/*
  
  # en_US.utf8 is required by Yocto sanity check
  RUN /usr/sbin/locale-gen en_US.UTF-8
  RUN localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
  RUN echo 'export LC_ALL="en_US.UTF-8"' >> /etc/profile
  ENV LANG en_US.utf8
  
  RUN useradd -U -m yoctouser
  
  # Make sure the user/groupID matches the UID/GID given to Docker. This is so that mounted
  # dirs will get the correct permissions
  