Codeigniter Nginx Virtualhost

[eluser]Refringe[/eluser]
Hey everyone,

I'd like to share a Codeigniter Nginx virtualhost I've been using for the past 6 months now:
https://gist.github.com/refringe/8551198

It's been working incredibly well, so feel free to make use of it if you'd like.

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I'm having an issue adding a simple redirect to it. Trying to get requests for "/sitemap.xml" to route to "/index.php/cms/sitemap". I thought something simple like the location block below would work, but I keep getting the PHP 404 error page instead of the "/index.php/cms/sitemap" content.

Code:

location = /sitemap.xml {
        rewrite /sitemap.xml /index.php/cms/sitemap last;
}

I've been trying to wrap my head around it for a while now, so any help would be appreciated.

[eluser]InsiteFX[/eluser]
Try SimleXML