Re: [PATCH v3 1/4] serialize collection of changed submodules

> @@ -560,6 +575,31 @@ static void find_unpushed_submodule_commits(struct commit *commit,
>         diff_tree_combined_merge(commit, 1, &rev);
>  }
>
> +struct collect_submodule_from_sha1s_data {
> +       char *submodule_path;
> +       struct string_list *needs_pushing;
> +};
> +
> +static int collect_submodules_from_sha1s(const unsigned char sha1[20],
> +               void *data)
> +{
> +       struct collect_submodule_from_sha1s_data *me =
> +               (struct collect_submodule_from_sha1s_data *) data;