@Override
      public void actionPerformed(ActionEvent e) {
        Repository selectedRepo = (Repository)repoSelector.getSelectedItem();
        myHeadToBranchListPanel.setCommits(getHeadToBranchCommits(selectedRepo));
        myBranchToHeadListPanel.setCommits(getBranchToHeadCommits(selectedRepo));
      }
@Override
      public void actionPerformed(ActionEvent e)