Hi Anadin,
I think the issue is to do with our Subversion code not supporting Mac line endings correctly.
I haven’t been able to check it on a Mac, but could you try merging this commit into your codebase and see if it fixes things for you?
https://github.com/EpicGames/UnrealEngine/commit/7210de0b389e62e97dc2c51b301b07a6a005bbdb
Hope this helps!