anchor.diff:  
   ##################
   # Javascript dependencies.
  -Run apt-get install -y \
  +RUN apt-get install -y \
     # -- For javascript -- \
     npm
   
  
positive.code:   python3.4-dev \
    # -- For Ruby --
    ruby \
    && apt-get clean
  
  ##################
  
negative.code:   $MVN install dependency:go-offline -Dmaven.repo.local=$MAVEN_REPO
  
  ##################
  # PHP dependencies.
  RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
  RUN php composer-setup.php
  RUN mv composer.phar /usr/bin/composer
  RUN php -r "unlink('composer-setup.php');"
  RUN cd /tmp && \
    cd protobuf && \
    ln -sfn /usr/bin/php5.5 /usr/bin/php && \
    ln -sfn /usr/bin/php-config5.5 /usr/bin/php-config && \
    ln -sfn /usr/bin/phpize5.5 /usr/bin/phpize && \
    composer install && \
    mv vendor /usr/local/vendor-5.5 && \
    ln -sfn /usr/bin/php5.6 /usr/bin/php && \
    ln -sfn /usr/bin/php-config5.6 /usr/bin/php-config && \
    ln -sfn /usr/bin/phpize5.6 /usr/bin/phpize && \
    composer install && \
    mv vendor /usr/local/vendor-5.6 && \
    ln -sfn /usr/bin/php7.0 /usr/bin/php && \
    ln -sfn /usr/bin/php-config7.0 /usr/bin/php-config && \
    ln -sfn /usr/bin/phpize7.0 /usr/bin/phpize && \
    composer install && \
    mv vendor /usr/local/vendor-7.0
  
  ##################
  # Go dependencies.
  RUN apt-get install -y  \
    # -- For go -- \
  