The uPortal source code in Subversion (https://source.jasig.org) is now read only and we have migrated active development to Active development is in GitHub: https://github.com/Jasig/uPortal
One big feature that now exists of Git is that anyone can create fork the uPortal git repository, make some set of changes on the fork, and then request those changes be pulled back into uPortal. Think of this as "submitting a patch" on steroids. For anyone that is interested in learning more about git the links in the Additional References section below are quite valuable.
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