push sheeet

pkgs/by-name/tr/treefmt/modules/settings.nix

@@ -0,0 +1,26 @@
+{
+  lib,
+  pkgs,
+  config,
+  modulesPath,
+  ...
+}:
+let
+  settingsFormat = pkgs.formats.toml { };
+in
+{
+  options.settings = lib.mkOption {
+    type = lib.types.submoduleWith {
+      specialArgs = { inherit modulesPath; };
+      modules = [
+        { freeformType = settingsFormat.type; }
+      ];
+    };
+    default = { };
+    description = ''
+      Settings used to build a treefmt config file.
+    '';
+  };
+
+  config.configFile = lib.mkOptionDefault (settingsFormat.generate "treefmt.toml" config.settings);
+}