need_large_offset   88 pack-write.c   	index_version = need_large_offset(last_obj_offset, opts) ? 2 : opts->version;
need_large_offset  150 pack-write.c   			offset = (need_large_offset(obj->offset, opts)
need_large_offset  164 pack-write.c   			if (!need_large_offset(offset, opts))