Sure. But you know what is more complex than git? Git + <anything else>. If you use git at all, you may as well use it for everything. If you have control o

Sure. But you know what is more complex than git? Git + <anything else>. If you use git at all, you may as well use it for everything. If you have control over which version control system to use, there's no good reason to actively use multiple ones at the same time.