anchor.diff:    && /tmp/install-marker.sh amd64 \
     && rm -f /tmp/install-marker.sh \
     && curl -s https://codecov.io/bash >/codecov \
  -  && chmod 700 /codecov
  +  && chmod 700 /codecov
positive.code: 
  ADD ./scripts/install-marker.sh /tmp/install-marker.sh
  
  # manually link "goword" dependency
  # ldconfig -v | grep hunspell
  RUN ln -s /lib64/libhunspell-1.6.so /lib64/libhunspell.so
  
  RUN go get -v -u -tags spell github.com/chzchzchz/goword \
    && go get -v -u github.com/coreos/license-bill-of-materials \
    && go get -v -u github.com/mdempsky/unconvert \
  
negative.code: FROM ubuntu:18.04
  
  RUN rm /bin/sh && ln -s /bin/bash /bin/sh
  RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
  
  RUN apt-get -y update \
    && apt-get -y install \
    build-essential \
    gcc \
    apt-utils \
    pkg-config \
    software-properties-common \
    apt-transport-https \
    libssl-dev \
    sudo \
    bash \
    curl \
    wget \
    tar \
    git \
    netcat \
    libaspell-dev \
    libhunspell-dev \
    hunspell-en-us \
    aspell-en \
    shellcheck \
    && apt-get -y update \
    && apt-get -y upgrade \
    && apt-get -y autoremove \
    && apt-get -y autoclean
  
  ENV GOROOT /usr/local/go
  ENV GOPATH /go
  