anchor.diff:  # Download themes
   
   ## Feedly
  -ADD https://github.com/levito/tt-rss-feedly-theme/archive/master.tar.gz /var/www/themes/feedly/
  +ADD https://github.com/levito/tt-rss-feedly-theme/archive/master.tar.gz /var/www/themes.local/feedly.tar.gz
   
   ## RSSHub
  -ADD https://github.com/DIYgod/ttrss-theme-rsshub/archive/master.tar.gz /var/www/themes/rsshub/
  +ADD https://github.com/DIYgod/ttrss-theme-rsshub/archive/master.tar.gz /var/www/themes.local/rsshub.tar.gz
   
   # Untar ttrss plugins
   WORKDIR /var/www
  
positive.code:   \
    && tar xzvpf /var/www/plugins/remove_iframe_sandbox/master.tar.gz --strip-components=1 -C /var/www/plugins/remove_iframe_sandbox ttrss-plugin-remove-iframe-sandbox-master && rm /var/www/plugins/remove_iframe_sandbox/master.tar.gz \
    \
    && tar xzvpf /var/www/themes/feedly/master.tar.gz --strip-components=1 -C /var/www/themes/ tt-rss-feedly-theme-master/feedly tt-rss-feedly-theme-master/feedly.css && rm -rf /var/www/themes/feedly \
    \
    && tar xzvpf /var/www/themes/rsshub/master.tar.gz --strip-components=2 -C /var/www/themes/ ttrss-theme-rsshub-master/dist/rsshub.css && rm -rf /var/www/themes/rsshub \
    \
    && apk del build-dependencies \
    && rm -rf /var/cache/apk/* \
  
negative.code: ADD https://github.com/HenryQW/mercury_fulltext/archive/master.tar.gz /var/www/plugins/mercury_fulltext/
  
  ## Feediron
  ADD https://github.com/feediron/ttrss_plugin-feediron/archive/master.tar.gz /var/www/plugins/feediron/
  
  ## OpenCC
  ADD https://github.com/HenryQW/ttrss_opencc/archive/master.tar.gz /var/www/plugins/opencc/
  
  ## News+ API
  ADD https://github.com/voidstern/tt-rss-newsplus-plugin/archive/master.tar.gz /var/www/plugins/api_newsplus/
  
  ## FeedReader API
  ADD https://raw.githubusercontent.com/jangernert/FeedReader/master/data/tt-rss-feedreader-plugin/api_feedreader/init.php /var/www/plugins/api_feedreader/
  
  ## Options per feed
  ADD https://github.com/sergey-dryabzhinsky/options_per_feed/archive/master.tar.gz /var/www/plugins/options_per_feed/
  
  ## Remove iframe sandbox
  ADD https://github.com/DIYgod/ttrss-plugin-remove-iframe-sandbox/archive/master.tar.gz /var/www/plugins/remove_iframe_sandbox/
  