title: How do i undo the hg pull and update?
body: <p>I am working in branch A and am using eclipse mercurial plugin to manage version control.Mistakely while pulling and updating the changes from the remote repository I pulled and updated changes of all the branches of my project.Now my branch A has changes of other branches say B , C , D .. as well.</p>
  
  <p>I go-ogled and found out that hg rollback is likely the solution however I am not sure.</p>
  
  <p>How do i undo my last pull and update? Any suggestion would be appreciated.</p>