Function batch_object_write

builtin/cat-file.c:481–573

* If "pack" is non-NULL, then "offset" is the byte offset within the pack from * which the object may be accessed (though note that we may also rely on * data->oid, too). If "pack" is NULL, then offset is ignored. */

 * data->oid, too). If "pack" is NULL, then offset is ignored.
 */
static void batch_object_write(const char *obj_name,
			       struct strbuf *scratch,
			       struct batch_options *opt,
			       struct expand_data *data,
			       struct packed_git *pack,
			       off_t offset)
{
	if (!data->skip_object_info) {
		int ret;

		if (use_mailmap ||
		    opt->objects_filter.choice == LOFC_BLOB_NONE ||
		    opt->objects_filter.choice == LOFC_BLOB_LIMIT ||
		    opt->objects_filter.choice == LOFC_OBJECT_TYPE)
			data->info.typep = &data->type;
		if (opt->objects_filter.choice == LOFC_BLOB_LIMIT)
			data->info.sizep = &data->size;

		if (pack)
			ret = packed_object_info(pack, offset, &data->info);
		else
			ret = odb_read_object_info_extended(the_repository->objects,
							    &data->oid, &data->info,
							    OBJECT_INFO_LOOKUP_REPLACE);
		if (ret < 0) {
			if (data->mode == S_IFGITLINK)
				report_object_status(opt, NULL, &data->oid, "submodule");
			else
				report_object_status(opt, obj_name, &data->oid, "missing");
			return;
		}

		switch (opt->objects_filter.choice) {
		case LOFC_DISABLED:
			break;
		case LOFC_BLOB_NONE:
			if (data->type == OBJ_BLOB) {
				if (!opt->all_objects)
					report_object_status(opt, obj_name,
							     &data->oid, "excluded");
				return;
			}
			break;
		case LOFC_BLOB_LIMIT:
			if (data->type == OBJ_BLOB &&
			    data->size >= opt->objects_filter.blob_limit_value) {
				if (!opt->all_objects)
					report_object_status(opt, obj_name,
							     &data->oid, "excluded");
				return;
			}
			break;
		case LOFC_OBJECT_TYPE:
			if (data->type != opt->objects_filter.object_type) {
				if (!opt->all_objects)
					report_object_status(opt, obj_name,
							     &data->oid, "excluded");
				return;