Function connect_wt_gitdir_in_nested

dir.c:4058–4106

}

static void connect_wt_gitdir_in_nested(const char *sub_worktree,
					const char *sub_gitdir)
{
	int i;
	struct repository subrepo;
	struct strbuf sub_wt = STRBUF_INIT;
	struct strbuf sub_gd = STRBUF_INIT;

	const struct submodule *sub;

	/* If the submodule has no working tree, we can ignore it. */
	if (repo_init(&subrepo, sub_gitdir, sub_worktree))
		return;

	if (repo_read_index(&subrepo) < 0)
		die(_("index file corrupt in repo %s"), subrepo.gitdir);

	/* TODO: audit for interaction with sparse-index. */
	ensure_full_index(subrepo.index);
	for (i = 0; i < subrepo.index->cache_nr; i++) {
		const struct cache_entry *ce = subrepo.index->cache[i];

		if (!S_ISGITLINK(ce->ce_mode))
			continue;

		while (i + 1 < subrepo.index->cache_nr &&
		       !strcmp(ce->name, subrepo.index->cache[i + 1]->name))
			/*
			 * Skip entries with the same name in different stages
			 * to make sure an entry is returned only once.
			 */
			i++;

		sub = submodule_from_path(&subrepo, null_oid(the_hash_algo), ce->name);
		if (!sub || !is_submodule_active(&subrepo, ce->name))
			/* .gitmodules broken or inactive sub */
			continue;

		strbuf_reset(&sub_wt);
		strbuf_reset(&sub_gd);
		strbuf_addf(&sub_wt, "%s/%s", sub_worktree, sub->path);
		submodule_name_to_gitdir(&sub_gd, &subrepo, sub->name);

		connect_work_tree_and_git_dir(sub_wt.buf, sub_gd.buf, 1);
	}
	strbuf_release(&sub_wt);
	strbuf_release(&sub_gd);
	repo_clear(&subrepo);
}

void connect_work_tree_and_git_dir(const char *work_tree_,
				   const char *git_dir_,