THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Source: https://gist.github.com/piscisaureus/3342247 (note that in SAMOA's case pull requests come to the upstream remote rather than the origin one).
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Get ready to update the website
Checkout the gh-pages branch that contains website and documentation.
git checkout -b gh-pages upstream/gh-pages
In a separate directory, check out the currently-published website from SVN.
cd ..
svn checkout https://svn.apache.org/repos/asf/incubator/samoa/site samoa-website