anchor.diff:      /bin/bash -l -c "gem install bundler -v $BUNDLER_VERSION_ARG" && rm -rf /usr/local/rvm/src/ruby-$RUBY_VERSION_ARG
   RUN unset CPPFLAGS
   
  +# Install go (required by to build gohai)
   # Update go to 1.10.3
  -RUN curl -o /tmp/go1.10.3.linux-amd64.tar.gz https://dl.google.com/go/go1.10.3.linux-amd64.tar.gz && \
  -    tar -C /usr/local -xzf /tmp/go1.10.3.linux-amd64.tar.gz
  +RUN curl -o /tmp/go$GOLANG_VERSION_ARG.linux-amd64.tar.gz https://dl.google.com/go/go$GOLANG_VERSION_ARG.linux-amd64.tar.gz && \
  +    tar -C /usr/local -xzf /tmp/go$GOLANG_VERSION_ARG.linux-amd64.tar.gz && \
  +    echo "PATH=$PATH:/usr/local/go/bin" | tee /etc/profile.d/go.sh
  +
   
   RUN git config --global user.email "package@datadoghq.com" && \
       git config --global user.name "Centos Omnibus Package" && \
  
positive.code: 
  ARG BUNDLER_VERSION_ARG=1.17.3
  ARG RUBY_VERSION_ARG=2.2.2
  
  COPY ./CentOS-Base.repo \
       ./libselinux.repo /etc/yum.repos.d/
  
negative.code:     /bin/bash -l -c "rvm install 2.1.5" && \
      rm -rf /usr/local/rvm/src/ruby-2.1.5
  
  # Install tar >> 1.23 so that Omnibus can use the -J option
  RUN curl -o /tmp/tar-$TAR_VERSION_ARG.tar.gz -L http://ftp.gnu.org/gnu/tar/tar-$TAR_VERSION_ARG.tar.gz
  RUN cd /tmp && tar -xzf /tmp/tar-$TAR_VERSION_ARG.tar.gz && \
      rm -f /bin/tar /bin/gtar && \
      cd /tmp/tar-$TAR_VERSION_ARG && FORCE_UNSAFE_CONFIGURE=1 ./configure --prefix=/ && make && make install && \
      ln -sf /bin/tar /bin/gtar && \
      cd - && rm -rf /tmp/tar-$TAR_VERSION_ARG.tar.gz
  
  # now build git
  # dependencies
  