anchor.diff:    git \
     ncurses-dev \
     p7zip-full \
  -  lzop
  +  lzop \
  +  gcc-arm-linux-gnueabihf
   
   ADD https://www.kernel.org/pub/linux/kernel/v4.x/linux-${KERNEL_VERSION}.tar.xz .
   
  
positive.code: FROM debian:jessie
  
  ENV KERNEL_VERSION 4.1.12
  
  
negative.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 .
  