anchor.diff:   && curl -s -fSL https://raw.githubusercontent.com/subchen/dev-box/master/vim/update-vim-plugins.sh | bash -e
   
   ################################################################
  -ENV POWERLINE_VERSION 1.12.1
  +ENV POWERLINE_VERSION 1.17.0
   
   RUN curl -fSL https://github.com/justjanne/powerline-go/releases/download/v$POWERLINE_VERSION/powerline-go-linux-amd64 -o /usr/local/bin/powerline-go \
    && chmod +x /usr/local/bin/powerline-go
  
positive.code:  && rm -rf /var/cache/yum/*
  
  ################################################################
  ENV MAVEN_VERSION 3.6.1
  ENV MAVEN_HOME /usr/share/maven
  
  RUN curl -s -fSL https://archive.apache.org/dist/maven/maven-3/$MAVEN_VERSION/binaries/apache-maven-$MAVEN_VERSION-bin.tar.gz -o maven.tar.gz \
  
negative.code:  && echo -e "LANG=en_US.UTF-8\nLC_ALL=en_US.UTF-8" > /etc/environment
  
  ################################################################
  ENV GOVERSION 1.14.2
  ENV GOROOT /usr/share/go
  
  ENV PATH $GOROOT/bin:$PATH
  