anchor.diff:  # TESTS
   ################################################################################
   
  -ADD test /package/airstack/test
  +COPY test /package/airstack/test
  
positive.code: ################################################################################
  
  # Add commands required for building images.
  ADD core/build /package/airstack/build
  RUN set -e; \
    mkdir -v /command; \
    ln -sv /package/airstack/build/core-* /command/
  
negative.code: #
  
  # socklog
  COPY services/socklog-unix /package/airstack/socklog-unix
  
  # Container init system
  COPY services/runit /package/airstack/runit
  RUN /package/airstack/runit/enable
  
  #
  