Function is_tree_submodule_active

submodule.c:239–288

* Determine if a submodule has been initialized at a given 'path' */ * NEEDSWORK: Emit a warning if submodule.active exists, but is valueless, * ie, the config looks like: "[submodule] active\n". * Since that is an invalid pathspec, we should inform the user. */

 * Since that is an invalid pathspec, we should inform the user.
 */
int is_tree_submodule_active(struct repository *repo,
			     const struct object_id *treeish_name,
			     const char *path)
{
	int ret = 0;
	char *key = NULL;
	char *value = NULL;
	const struct string_list *sl;
	const struct submodule *module;

	module = submodule_from_path(repo, treeish_name, path);

	/* early return if there isn't a path->module mapping */
	if (!module)
		return 0;

	/* submodule.<name>.active is set */
	key = xstrfmt("submodule.%s.active", module->name);
	if (!repo_config_get_bool(repo, key, &ret)) {
		free(key);
		return ret;
	}
	free(key);

	/* submodule.active is set */
	if (!repo_config_get_string_multi(repo, "submodule.active", &sl)) {
		struct pathspec ps;
		struct strvec args = STRVEC_INIT;
		const struct string_list_item *item;

		for_each_string_list_item(item, sl) {
			strvec_push(&args, item->string);
		}

		parse_pathspec(&ps, 0, 0, NULL, args.v);
		ret = match_pathspec(repo->index, &ps, path, strlen(path), 0, NULL, 1);

		strvec_clear(&args);
		clear_pathspec(&ps);
		return ret;
	}

	/* fallback to checking if the URL is set */
	key = xstrfmt("submodule.%s.url", module->name);
	ret = !repo_config_get_string(repo, key, &value);

	free(value);
	free(key);
	return ret;
}

int is_submodule_active(struct repository *repo, const char *path)
{