title: How to get a new branch in my fork from the original repository?
body: <p>I forked a repo and the original repo has gotten a new branch after I forked it.</p>
  
  <pre><code>OriginalRepo
     |
     +-BranchA
     |
     +-newBranch
  
  
  MyFork
     |
     +-BranchA
  </code></pre>
  
  <p>I want to get the branch newBranch into my fork, how can I do this?</p>