anchor.diff:  ARG OPA_VERSION=0.38.0
   ARG SHELLCHECK_VERSION=0.8.0
   ARG TFSWITCH_VERSION=0.13.1288
  +ARG RCLONE_VERSION=1.58.1
   
   # build everything in /build
   WORKDIR /build
  
positive.code:     && echo "Installing opa ..." \
          && curl -fsSL "https://openpolicyagent.org/downloads/v${OPA_VERSION}/opa_linux_amd64" --output /usr/local/bin/opa \
          && chmod +x /usr/local/bin/opa \
      && echo "Installing shellcheck ..." \
          && export BASE_URL="https://github.com/koalaman/shellcheck/releases/download" \
          && export URL="${BASE_URL}/v${SHELLCHECK_VERSION}/shellcheck-v${SHELLCHECK_VERSION}.linux.x86_64.tar.xz" \
  
negative.code:         && pr-creator --help            | tee pr-creator-help.txt \
          && git -C test-infra log -n1    | tee pr-creator-version.txt \
          && python3 --version            | tee python-version.txt \
          && rclone --version             | tee rclone.txt \
          && shellcheck --version         | tee shellcheck-version.txt \
          && terraform --version          | tee terraform-version.txt \
          && tfswitch --version           | tee tfswitch-version.txt \
  