anchor.diff:  
   # Allow us to install packages for cross-compiling architectures
   SHELL ["/bin/bash", "-o", "pipefail", "-c"]
  +# hadolint ignore=SC2094,SC2206
   RUN ARCHS=(${CROSS_COMPILE_ARCHS}) && \
       ARCHS_LIST=$(IFS=,; echo "${ARCHS[*]}") && \
       for ARCH in "${ARCHS[@]}"; do \
  
positive.code:     >> /etc/apt/sources.list
  
  # some scripts have a hard dependency on sudo :(
  RUN apt-get update \
      && DEBIAN_FRONTEND=noninteractive \
      apt-get install -y --no-install-recommends \
  
negative.code:     && rm -rf /var/lib/apt/lists/*
  
  # Install armhf-specific packages
  # hadolint ignore=DL3008
  RUN apt-get update \
      && DEBIAN_FRONTEND=noninteractive \
      apt-get install -y --no-install-recommends \
  