docs: function copyIntoPlace(extractedPath, targetPath) {
    log.info('Removing', targetPath);
    return kew.nfcall(fs.remove, targetPath).then(function () {
      // Look for the extracted directory, so we can rename it.
      const files = fs.readdirSync(extractedPath);
      for (let i = 0; i < files.length; i++) {
        const file = path.join(extractedPath, files[i]);
        if (fs.statSync(file).isDirectory() && file.indexOf(helper.version) !== -1) {
          log.info('Copying extracted folder', file, '->', targetPath);
          return kew.nfcall(fs.move, file, targetPath);
        }
      }
      log.info('Could not find extracted file', files);
      throw new Error('Could not find extracted file');
    });
  }