public static HgFile getOriginalHgFile(Project project, VirtualFile root) {
   HgFile hgFile = new HgFile(root, VcsUtil.getFilePath(root.getPath()));
   if (project.isDisposed()) {
     return hgFile;
   }
   FilePath originalFileName =
       HgUtil.getOriginalFileName(hgFile.toFilePath(), ChangeListManager.getInstance(project));
   return new HgFile(hgFile.getRepo(), originalFileName);
 }