title: git-subtree checkout specific folder under other name
body: <p>Hi I'm trying to setup a git-repo with two upstreams.</p>
  
  <ul>
  <li><p>upstream-jointswp: (<a href="https://github.com/JeremyEnglert/JointsWP/" rel="nofollow">https://github.com/JeremyEnglert/JointsWP/</a>)</p>
  
  <ul>
  <li>The entire root-folder / goes to my repo at root /. (no problem)</li>
  </ul></li>
  <li><p>upstream-woocommerce: (<a href="https://github.com/woothemes/woocommerce" rel="nofollow">https://github.com/woothemes/woocommerce</a>)</p>
  
  <ul>
  <li>The subdir of this repo /templates should go under /woocommerce in my repo.</li>
  <li>I was able to achive that the /templates goes as only folder/tree in my repo by using a sparseCheckout.</li>
  <li>I try to use git-subtree to keep track of the commits.</li>
  </ul></li>
  </ul>
  
  <p>When I use git-subtree. How do I checkout the stuff at /templates from my upstream to /woocommerce in my repo?</p>
  
  <p><em>If my question isn't as straigth forward as I hope, plz give me a sign ;)</em></p>