anchor.diff:  RUN echo 'Include /etc/apache2/vhosts.d/trac.include' >> /etc/apache2/vhosts.d/default_vhost.include
   
   RUN (echo; echo) | trac-admin /var/www/localhost/trac initenv
  -RUN trac-admin /var/www/localhost/trac permission add anonymous TRAC_ADMIN
   RUN trac-admin /var/www/localhost/trac component remove component1 && \
       trac-admin /var/www/localhost/trac component remove component2 && \
       trac-admin /var/www/localhost/trac version remove 1.0 && \
  
positive.code:     trac-admin /var/www/localhost/trac milestone remove milestone2 && \
      trac-admin /var/www/localhost/trac milestone remove milestone3 && \
      trac-admin /var/www/localhost/trac milestone remove milestone4
  RUN mkdir /var/www/localhost/trac/{files,cgi-bin}
  RUN chgrp -R apache /var/www/localhost/trac/{db,log,files,conf,plugins}
  RUN chmod g+rwx /var/www/localhost/trac/{db,log,files,conf,plugins}
  
negative.code: VOLUME /usr/portage
  VOLUME /usr/local/portage
  VOLUME /var/tmp/portage
  VOLUME /var/www/localhost/trac/db
  CMD /usr/local/sbin/run.sh
  