how to reset to remote repo

From: bill lam <cbill.lam@gmail.com>
Date: Feb 23, 2009, 10:55 UTC
Message-ID: <20090223105546.GA7425@b2j>

I cloned some public git repos and made some local patches. Later I pulled updates again and that merged with my patches. Now I want to throw away my patches, how do I get a clean working repo that is a 100% clone of the remote repo?

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