title: Print Current Mercurial Revision Hash?
body: <p>Is there a better way extract the current revision hash in Mercurial than</p>
  
  <p><code>hg log -l1|grep changeset|cut -d: -f3</code></p>
  
  <p>?</p>
  
  <p>Part of my webapp deployment script "tags" the uploaded app tarball with its unique revision hash.</p>