Blog post that shows how to publish your Hugo site to Bitbucket using the Aerobatic add-on and Wercker. You can either push your /public
folder and Aerobatic will host that, or you can use Wercker to build and push your static assets to an orphan branch linked to Aerobatic.
http://www.aerobatic.com/blog/hugo-continuous-integration-with-wercker-aerobatic-and-bitbucket.html