That's a good idea too. For my smaller-scale personal projects I rely on the git status, but if you use some other version control system then you don't always

That's a good idea too. For my smaller-scale personal projects I rely on the git status, but if you use some other version control system then you don't always get early warning of this sort of thing. (My work stuff typically uses Perforce, and it's annoyingly blasé about this stuff.)