private boolean handleDelete(
      HttpServletRequest request, HttpServletResponse response, String pathString)
      throws GitAPIException, CoreException, IOException, ServletException {
    IPath path = pathString == null ? Path.EMPTY : new Path(pathString);
    // expected path format is /file/{workspaceId}/{projectId}[/{directoryPath}]
    if (path.segment(0).equals("file") && path.segmentCount() > 2) { // $NON-NLS-1$

      // make sure a clone is addressed
      WebProject webProject = GitUtils.projectFromPath(path);
      if (webProject != null && isAccessAllowed(request.getRemoteUser(), webProject)) {
        File gitDir = GitUtils.getGitDirs(path, Traverse.CURRENT).values().iterator().next();
        Repository repo = new FileRepository(gitDir);
        repo.close();
        FileUtils.delete(repo.getWorkTree(), FileUtils.RECURSIVE | FileUtils.RETRY);
        if (path.segmentCount() == 3)
          return statusHandler.handleRequest(
              request, response, removeProject(request.getRemoteUser(), webProject));
        return true;
      }
      String msg = NLS.bind("Nothing found for the given ID: {0}", path);
      return statusHandler.handleRequest(
          request,
          response,
          new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null));
    }
    String msg = NLS.bind("Invalid delete request {0}", pathString);
    return statusHandler.handleRequest(
        request,
        response,
        new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
  }
 private boolean isLocalBranch(Git git, String branch) throws GitAPIException {
   List<Ref> branches = git.branchList().call();
   for (Ref ref : branches) {
     if (Repository.shortenRefName(ref.getName()).equals(branch)) return true;
   }
   return false;
 }
 private boolean isInIndex(Repository db, String path) throws IOException {
   DirCache dc = DirCache.read(db.getIndexFile(), db.getFS());
   return dc.getEntry(path) != null;
 }