title: why can't upstart run 'source bin/activate'?
body: <p>upstart won't activate my virtualenv for some reason.</p>
  
  <p>This is how I run it</p>
  
  <pre><code>script
      # My startup script, plain old shell scripting here.
      cd path/to/env
      source bin/activate
      ....
  end script
  </code></pre>
  
  <p>the virtualenv runs fine when started manually</p>
  
  <p>Why does this not work?</p>