On Fri, Jan 20, 2017 at 11:53:01AM -0800, Stefan Beller wrote: > > One alternative would be to make the check cheaper. Could we reliably > > tell from the submodule.foo.* block in the config that path "foo" is a > > submodule? I think that would work after "submodule init" but not right > > after "git clone". So the index really is the source of truth there. > > Well we can check if there is a .gitmodules file that has a > submodule.*.path equal to the last part of $CWD, no need to look > at the git config. > > And that would also work right after git clone (in an > unpopulated/uninitialized submodule as I call it). > > And in my current understanding of submodules the check in > .gitmodules ought to be enough, too. Yeah, that probably makes sense. You can have a gitlink without a .gitmodules file, but I don't quite know what that would mean in terms of submodules (I guess it's not a submodule but "something else"). -Peff