title: Install gitk on Mac
body: <p>How can I install gitk on a Mac?</p>
  <p>From their official website, it seems gitk comes with Git, but the version of my Git (<em>git version 1.7.12.4 (Apple Git-37)</em>) does not come with gitk.</p>
  <p><code>brew install gitk</code> does not work for gitk.</p>
  <p>Version information (copied from comments):</p>
  <ul>
  <li><a href="https://en.wikipedia.org/wiki/Git" rel="noreferrer">OS X v10.8.2</a> (12C2034) (Mountain Lion)</li>
  <li><a href="https://en.wikipedia.org/wiki/Xcode" rel="noreferrer">Xcode</a> version 4.6 (4H127)</li>
  </ul>