thingsiplayThe good thing with Git is, that many people have copies of the entire project history. This is a backup and people can still work on the project until servers are up again.
anlumoIt also makes migrating a project to another git hosting service easy. The only problem for us were the tickets.
moon_matterThat should've been a git repo, just like the wiki. I imagine major projects are backing them up or mirroring them somewhere else. It's not the first time this has come up.