function generatePodcastFeed(files, options) {
  gutil.log(' ', 'Generating podcast feed for', options.title);
  let context = {
    title: options.title,
    subtitle: options.subtitle,
    summary: options.summary,
    author: options.author,
    image: options.image,
    articles: files,
    host: 'https://developers.google.com',
    baseUrl: 'https://developers.google.com/web/',
  };
  if (options.baseUrl) {
    context.baseUrl = options.baseUrl;
  }
  // Note - use last updated instead of now to prevent feeds from being
  // generated every single time. This will only generate if the feeds are
  // actually updated.
  context.rssPubDate = wfHelper.dateFormatRSS(files[0].dateUpdatedMoment);
  const template = path.join(global.WF.src.templates, 'shows', 'podcast.xml');
  const outputFile = path.join(options.outputPath, 'feed.xml');
  renderTemplate(template, context, outputFile);
}
Generate feeds for a podcast

@param {Array} files List of files to generate feed items for
@param {Object} options Options used to generate the feed