anchor.diff:            }
           }
   
  -        commitParts.add('author ${name} ');
  +        commitParts.add('author ${username} ');
           commitParts.add(' <$email> ');
           commitParts.add(dateString);
           commitParts.add('\n');
  -        commitParts.add('committer ${name}');
  +        commitParts.add('committer ${username}');
           commitParts.add(' <${email}>');
           commitParts.add(dateString);
           commitParts.add('\n\n${commitMsg}\n');
  
positive.code:       String refName) {
      chrome.DirectoryEntry dir = options.root;
      ObjectStore store = options.store;
      String name = options.name;
      String email = options.email;
      String commitMsg = options.commitMessage;
  
  
negative.code: 
          if (entry.isDirectory) {
            return walkFiles(entry, store).then((String sha) {
              if (sha != null) {
                treeEntries.add(new TreeEntry(entry.name, shaToBytes(sha),
                    false));
              }
  