anchor.diff:  
   # hadolint ignore=DL3008
   RUN apt-get update \
  -  && apt-get install -y --no-install-recommends software-properties-common \
  +  && apt-get install -y --no-install-recommends software-properties-common gnupg-agent \
     && add-apt-repository -y ppa:git-core/ppa \
     && apt-get update \
     && apt-get install -y --no-install-recommends \
  
positive.code:     g++ \
      gawk \
      git \
      gpg-agent \
      less \
      libz-dev \
      locales \
  
negative.code:     sudo \
      uuid-runtime \
      tzdata \
    && apt remove --purge software-properties-common gnupg-agent \
    && apt autoremove --purge \
    && rm -rf /var/lib/apt/lists/* \
    && localedef -i en_US -f UTF-8 en_US.UTF-8 \
    && useradd -m -s /bin/bash linuxbrew \
  