Rogue One is playing in some international markets already and someone snuck a camera into the theater to capture its post credits scene.
This is what happens immediately after the credits finish rolling in Rogue One: A Star Wars Story:
If you aren’t aware at this point, this is a joke. There is no post-credits scene in Rogue One. Not only because the movie literally touches A New Hope, but it’s also a thing Lucasfilm has decided they weren’t going to do with Star Wars.
Just like there won’t be a sequel, there’s no post credits scene in Rogue One.