code: function (callback) {
          context.basePath = path.replace(/\.\w+$/, '');
          context.workingPath = localPath;
  
          // Indulge their wild claims about the extension the original
          // should have if any, otherwise provide the truth from identify
          if (path.match(/\.\w+$/)) {
            originalPath = path;
          } else {
            originalPath = path + '.' + context.extension;
          }
          return callback(null);
        }
docs: Determine base path in uploadfs, working path for temporary files, and final uploadfs path of the original