anchor.diff:  
   ## Setup environment
   RUN ${APPLIANCE_ROOT}/setup && \
  -    echo "export PATH=\$PATH:/opt/rubies/ruby-2.2.5/bin" >> /etc/default/evm && \
  +    echo "export PATH=\$PATH:/opt/rubies/ruby-2.3.1/bin" >> /etc/default/evm && \
       mkdir ${APP_ROOT}/log/apache && \
       mv /etc/httpd/conf.d/ssl.conf{,.orig} && \
       echo "# This file intentionally left blank. ManageIQ maintains its own SSL configuration" > /etc/httpd/conf.d/ssl.conf && \
  
positive.code: # Set ENV, LANG only needed if building with docker-1.8
  ENV LANG en_US.UTF-8
  ENV TERM xterm
  ENV RUBY_GEMS_ROOT /opt/rubies/ruby-2.2.5/lib/ruby/gems/2.2.0
  ENV APP_ROOT /var/www/miq/vmdb
  ENV APPLIANCE_ROOT /opt/manageiq/manageiq-appliance
  ENV SSUI_ROOT /opt/manageiq/manageiq-ui-self_service
  
negative.code:     curl -sL https://github.com/postmodern/ruby-install/archive/v0.6.0.tar.gz | tar xz && \
      cd ruby-install-0.6.0 && \
      make install && \
      ruby-install ruby 2.3.1 -- --disable-install-doc && \
      echo "chruby ruby-2.3.1" >> ~/.bash_profile && \
      rm -rf /chruby-* && \
      rm -rf /usr/local/src/* && \
      yum clean all
  