title: gem.add_dependency Jeweler how do you format a git source?
body: <p>I'm trying to specify a git source in my Jeweler Rake file:</p>
  
  <pre><code>   gem.add_dependency 'myapp', :git =&gt; "git@github.com:myaddress/myapp.git", :branch =&gt; "mybranch"
  </code></pre>
  
  <p>but I hit a format error. Do you know how to format this?</p>