anchor.diff: -FROM debian:jessie
  +FROM debian:unstable
   
   ENV KERNEL_VERSION 4.1.12
   
  
positive.code:     DESTDIR=/tmp/aufs-utils make install && \
      rm -rf /tmp/aufs-utils/usr/lib /tmp/aufs-utils/usr/share && \
      cd /tmp/aufs-utils && tar cf /aufs-utils.tar .
  
  
negative.code:   git \
    ncurses-dev \
    p7zip-full \
    lzop \
    gcc-arm-linux-gnueabihf
  
  ADD https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz .
  
  