anchor.diff:  RUN apt-get install -y libblkid-dev libattr1-dev
   
   # build zfs from tar
  -RUN cd /zfs && curl -LO https://github.com/zfsonlinux/zfs/releases/download/zfs-$ZFS_VER/zfs-$ZFS_VER.tar.gz &&\
  +RUN cd /zfs && curl -sLO https://github.com/zfsonlinux/zfs/releases/download/zfs-$ZFS_VER/zfs-$ZFS_VER.tar.gz &&\
       cd /zfs && tar xf zfs-$ZFS_VER.tar.gz && cd zfs-* &&\
       ./configure --with-linux=$LINUX_KERNEL_SOURCE && make &&\
       DESTDIR=$ROOTFS make install
  
positive.code: 
  # get generate_cert
  RUN mkdir -p /opt/apps/docker/bin &&\
        curl -fL -o /opt/apps/docker/bin/generate_cert https://github.com/SvenDowideit/generate_cert/releases/download/0.2/generate_cert-0.2-linux-amd64
  
  RUN curl -L  https://get.docker.com/builds/Linux/x86_64/docker-$(cat $ROOTFS/etc/sysconfig/docker).tgz | tar -C / -xz && \
      mv /docker/* /opt/apps/docker/bin/ &&\
      chmod +x /opt/apps/docker/bin/*
  
  
negative.code: 
  RUN for dep in $TCZ_DEPS_1 ; do \
          echo "Download $TCL_REPO_BASE/tcz/$dep.tcz"  && \
          curl -sL -o /tmp/$dep.tcz $TCL_REPO_BASE/tcz/$dep.tcz && \
          if [ ! -s /tmp/$dep.tcz ] ; then \
            echo "$TCL_REPO_BASE/tcz/$dep.tcz size is zero 0 - error !" && \
            exit 1 ;\
  