anchor.diff:      echo "java -jar `pwd`/${SCALASTYLE_JAR}" --config "/usr/src/scalastyle_config.xml" '${@}' >> /bin/scalastyle && \
       chmod +x /bin/scalastyle
   
  -VOLUME /usr/app
  -WORKDIR /usr/app
  -ENTRYPOINT ["/entrypoint.sh"]
  -CMD ["quality"]
  +
  +
  +FROM jumbo-base as jumbo
  +VOLUME /usr/app
  +WORKDIR /usr/app
  +ENTRYPOINT ["/entrypoint.sh"]
  +ARG quality_gem_version
  +RUN gem install --no-ri --no-rdoc quality:${quality_gem_version}
  +CMD ["quality"]
  
positive.code:       && \
        echo "Done"
  
  VOLUME /usr/app
  RUN mkdir /usr/quality
  ADD sample-project/Rakefile /usr/quality/Rakefile
  WORKDIR /usr/app
  COPY entrypoint.sh /
  ENTRYPOINT ["/entrypoint.sh"]
  CMD ["quality"]
  
  
  
  FROM latest AS python
  #
  # Install flake8 and pycodestyle
  #
  
negative.code: FROM alpine:latest AS base
  
  # We install and then uninstall quality to cache the dependencies
  # while we still have the build tools installed but still be able to
  # install the very latest quality gem later on without having the disk
  # space impact of two versions.
  
  RUN apk update && \
      apk add --no-cache ruby ruby-irb ruby-dev make gcc libc-dev git icu-dev zlib-dev g++ cmake openssl-dev coreutils && \
      true # TODO
  
  RUN true && \
      gem install --no-ri --no-rdoc bigdecimal rake etc quality && \
      gem uninstall quality && \
      strip /usr/lib/ruby/gems/2.5.0/extensions/x86_64-linux/2.5.0/rugged-0.27.4/rugged/rugged.so && \
      apk del ruby-irb ruby-dev make gcc libc-dev icu-dev zlib-dev g++ cmake openssl-dev nghttp2 curl pax-utils && \
      apk add --no-cache libssl1.0 icu-libs && \
  