It’s very simple: format code to a standard. Preferably the language default formatting. But it must be a standard that can be auto formatted to with a tool. Now when someone doesn’t like that standard, they can auto format from that standard to one of their liking for local development and back again to the project standard for pushing to the project. This can even be done automatically with gitattributes during checkout and commit. But without strictly enforcing a autoformatable standard this is not possible and you end up with bikeshedding.