Re: [PATCH 3/3] push: add option to push only submodules

> Teach push the --recurse-submodules=only option.  This enables push to
> recursively push all unpushed submodules while leaving the superproject
> unpushed.
>
> This is a desirable feature in a scenario where updates to the
> superproject are handled automatically by some other means, perhaps a

>
> code review tool.  In this scenario a developer could make a change
> which spans multiple submodules and then push their commits for code
> review.  Upon completion of the code review, their commits can be
> accepted and applied to their respective submodules while the code
> review tool can then automatically update the superproject to the most
> recent SHA1 of each submodule.  This would eliminate the merge conflicts
> in the superproject that could occur if multiple people are contributing
> to the same submodule.