anchor.diff:  RUN find $ROOTFS/etc/rc.d/ -exec chmod +x {} \; && \
       find $ROOTFS/usr/local/etc/init.d/ -exec chmod +x {} \;
   
  -#get the latest docker
  +# get the latest docker
  +# Note: `docker version` returns non-true when there is no server to ask
   RUN curl -L -o $ROOTFS/usr/local/bin/docker https://get.docker.io/builds/Linux/x86_64/docker-latest && \
       chmod +x $ROOTFS/usr/local/bin/docker && \
  -    $ROOTFS/usr/local/bin/docker version || true
  +    ( $ROOTFS/usr/local/bin/docker version || true )
   
   # get the git versioning info
   ADD . /gitrepo
  
positive.code: FROM debian:jessie
  MAINTAINER Steeve Morin "steeve.morin@gmail.com"
  
  ENV KERNEL_VERSION  3.15.3
  ENV AUFS_BRANCH     aufs3.15
  
  RUN apt-get update && apt-get -y install  unzip \
                          xz-utils \
  
negative.code:                         syslinux \
                          automake \
                          pkg-config
  
  ENV KERNEL_VERSION  3.15.3
  ENV AUFS_BRANCH     aufs3.15
  
  # Fetch the kernel sources
  RUN curl --retry 10 https://www.kernel.org/pub/linux/kernel/v3.x/linux-$KERNEL_VERSION.tar.xz | tar -C / -xJ && \
  