Re: [PATCH 00/13] submodule: convert the rest of 'update' to C

>> This series builds upon the previous conversion work on 'submodule update' and
>> moves out all of that shell logic in 'git-submodule.sh' into
>> 'builtin/submodule--helper.c'.
>
> Hey Atharva! I'm working on a series that will teach "git branch" how to
> handle "--recurse-submodules". I plan to do this in-process because I
> think this will take less overall effort than using child processes, and
> to make it happen, I'm planning to add a helper function like
> "for_each_submodule()", which would call a C callback function on each
> submodule.
>
> This is conceptually similar to "git submodule foreach" and
> for_each_listed_submodule() (though not exactly equivalent), so I'm
> reaching out to you in case this work is already on your radar. If so,
> and if it is coming soon, it might be easier to for me to base my work
> off yours instead of duplicating our efforts :)