Exactly, He didn't even give the other guy credits on his work.
Readme.md's Acknowledgments and Contributors sections appear to still be in place, with the credit-improving (IMO) change of replacing the link text "core team" to "gogs team".
What else would you expect? The github forked-from notice if you use the github button instead of git to fork, I guess? Anything else?
I'm trying to figure out if your devoid of the nuance of open source politics, or if you're a huge risk taker.