···
+
CONTAINS_NEWLINE_RE = ".*\n.*";
+
# The following values are reserved as complete option values:
+
# { - start of a group.
+
# """ - start of a multi-line string.
+
RESERVED_VALUE_RE = "[[:space:]]*(\"\"\"|\\{)[[:space:]]*";
+
NEEDS_MULTILINE_RE = "${CONTAINS_NEWLINE_RE}|${RESERVED_VALUE_RE}";
+
# There is no way to encode """ on its own line in a Minetest config.
+
UNESCAPABLE_RE = ".*\n\"\"\"\n.*";
+
toConfMultiline = name: value:
+
((builtins.match UNESCAPABLE_RE value) == null)
+
''""" can't be on its own line in a minetest config.'';
+
"${name} = \"\"\"\n${value}\n\"\"\"\n";
+
bool = "${name} = ${toString value}\n";
+
int = "${name} = ${toString value}\n";
+
set = "${name} = {\n${toConf value}}\n";
+
if (builtins.match NEEDS_MULTILINE_RE value) != null
+
then toConfMultiline name value
+
else "${name} = ${value}\n";
+
}.${builtins.typeOf value})
cfg = config.services.minetest-server;
+
flag = val: name: lib.optionals (val != null) ["--${name}" "${toString val}"];
+
if cfg.configPath != null
+
then ["--config" cfg.configPath]
+
else ["--config" (builtins.toFile "minetest.conf" (toConf cfg.config))])
+
++ (flag cfg.gameId "gameid")
+
++ (flag cfg.world "world")
+
++ (flag cfg.logPath "logfile")
+
++ (flag cfg.port "port")
···
+
type = types.attrsOf types.anything;
+
description = lib.mdDoc ''
+
Settings to add to the minetest config file.
+
This option is ignored if `configPath` is set.
type = types.nullOr types.path;
···
If set to null, the default 30000 will be used.
+
type = types.listOf types.str;
+
description = lib.mdDoc ''
+
Additional command line flags to pass to the minetest executable.
···
+
exec ${pkgs.minetest}/bin/minetest ${lib.escapeShellArgs flags}