/**

* SPDX-License-Identifier: GPL-2.0-or-later

*

* This file is part of osm2pgsql (https://osm2pgsql.org/).

*

* Copyright (C) 2006-2026 by the osm2pgsql developer community.

* For a full list of authors see the git log.

*/

#include "lua-setup.hpp"

#include "lua-utils.hpp"

#include "version.hpp"

#include <lua.hpp>

#include <filesystem>

void setup_lua_environment(lua_State *lua_state, std::string const &filename,

bool append_mode)

{

// Set up global lua libs

luaL_openlibs(lua_state);

// Set up global "osm2pgsql" object

lua_newtable(lua_state);

lua_pushvalue(lua_state, -1);

lua_setglobal(lua_state, "osm2pgsql");

luaX_add_table_str(lua_state, "version", get_osm2pgsql_short_version());

std::string dir_path =

std::filesystem::path{filename}.parent_path().string();

if (!dir_path.empty()) {

dir_path += std::filesystem::path::preferred_separator;

}

luaX_add_table_str(lua_state, "config_dir", dir_path);

luaX_add_table_str(lua_state, "mode", append_mode ? "append" : "create");

}