toyokazu/omniauth-shibboleth — pull request #7 by saimonmoore (2013-07-27 13:22:12+00:00)
Title: Allow uid_field to be an array of attributes

- Provides fallback for uid as often you many want to use something like
persistent-id in production but certain accounts only provide eppn for
example.

(The first non-empty attribute will be selected as the uid)