title: How to reset a repository with SVN
body: <p>I'm using SVN on my server and i don't know how i can reset my repository ?</p>
  
  <p>There are a lots of data on this repository,i want reset this, and after make a new commit with a completly different folder.</p>
  
  <p>Do you have any ideas ? How can i retrieve an empty repository ?</p>
  
  <p>Thanks !</p>