I´m pretty sure it´s not the gang of four. I have a feeling this is a newer pattern. Where was it first published/mentioned?
Repository Pattern – Who Is the Author/Creator?
design-patternsrepository-pattern
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Best Answer
The earliest mention of it that I can find is in this paper, "An Introduction to Software Architecture", by David Garlan and Mary Shaw (1994, first published 1993). That predates the Gang of Four by a year, so it's an older pattern rather than a newer one.
Martin Fowler and Eric Evans have both mentioned it in their books and popularised it, but it's been around for a while.