Dug out an ancient #UT2004 mutator I wrote that had been languishing on a few hard drives, and probably long lost on the University CompSci department shared install...
https://github.com/LionsPhil/ut2004mods
Combined with having to do some history editing to work around problems with DOS/UNIX line endings, execute bits, and the git classic "I'm not going to point out you forgot to add that new file two commits ago", this sure took a few hours.