Re: "submodule foreach" much slower than removed "submodule--helper --list"

> Jeff King <peff@peff.net> writes:
> 
> > Yeah, that's not too surprising that it's slower. It's exec-ing a bunch
> > of shells to do that.
> > ...
> > I'm not sure if those are exactly equivalent, either. It looks like the
> > old code was probably respecting submodule active markers (though in my
> > test repo without the submodule actually checked out, it's still
> > reported). There is probably room for a user-facing "git submodule list"
> > command, but again, I don't really know enough about the space to say
> > what it should report.
> 
> We could mimic "find" and make "foreach" that has no action default
> to an equivalent of "echo" that is done internally without forking.