anchor.diff:  FROM envygeeks/alpine
   MAINTAINER Jekyll Core <hello@jekyllrb.com>
   COPY copy/ /
  -ENV <%= @metadata.env %>
  +ENV <%= @meta.env %>
   RUN \
  -  apk --update add <%= @metadata.development_packages %> && \
  -  apk --update add <%= @metadata.packages %> && \
  +  apk --update add <%= @meta.development_packages %> && \
  +  apk --update add <%= @meta.packages %> && \
   
  -  <% if @metadata.name != "builder" %>
  +  <% if @meta.name != "builder" %>
       mv /etc/nginx/conf.d /tmp/nginx.conf.d && \
       rm -rf /etc/nginx && cd /tmp && git clone https://github.com/envygeeks/docker.git && \
       cp -R docker/repos/nginx/copy/all/etc/startup3.d/nginx /etc/startup3.d && \
  
positive.code:   mkdir -p /srv/jekyll && \
    chown jekyll:jekyll /srv/jekyll && \
    echo 'jekyll ALL=NOPASSWD:ALL' >> /etc/sudoers && \
    apk del <%= @metadata.development_packages %> && \
    rm -rf /usr/lib/ruby/gems/*/cache/*.gem && \
    docker-helper cleanup
  WORKDIR /srv/jekyll
  
negative.code:   cd ~ && \
    yes | gem update --system --no-document -- --use-system-libraries && \
    yes | gem update --no-document -- --use-system-libraries && \
    yes | docker-helper ruby_install_gem "jekyll@<%= @meta.version %>" && \
  
    cd ~ && \
    mkdir -p /usr/share/ruby && \
    echo "<%= @meta.gems %>" > /usr/share/ruby/default-gems && \
    docker-helper install_default_gems && \
    gem clean && gem install bundler \
      --no-document && \
  