rtCamp/nginx-helper — pull request #32 by pjv (2013-03-11 19:49:30+00:00)
Title: use function home_url() for the homepage URL for purging purposes

instead of using get_option ( 'siteurl' )

please see [this discussion](http://wordpress.org/support/topic/not-purging-home-page?replies=2) on wordpress.org for background.