Allow for usage without setting the root option

flake-module.nix

@@ -279,7 +279,7 @@ let
 
  configurationOptions = configType: {
  modulesDirectory = mkOption {
- default = "${cfg.root}/${configType}-modules";
+ default = if cfg.root != null then "${cfg.root}/${configType}-modules" else ./unset-directory;
  defaultText = literalExpression "\"\${ezConfigs.root}/${configType}-modules\"";
  type = types.pathInStore;
  description = ''
@@ -288,7 +288,7 @@ let
  };
 
  configurationsDirectory = mkOption {
- default = "${cfg.root}/${configType}-configurations";
+ default = if cfg.root != null then "${cfg.root}/${configType}-configurations" else ./unset-directory;
  defaultText = literalExpression "\"\${ezConfigs.root}/${configType}-configurations\"";
  type = types.pathInStore;
  description = ''
@@ -375,7 +375,8 @@ in
 {
  options.ezConfigs = {
  root = mkOption {
- type = types.pathInStore;
+ default = null;
+ type = types.nullOr types.pathInStore;
  example = literalExpression "./.";
  description = ''
  The root from which configurations and modules should be searched.
@@ -398,7 +399,7 @@ in
  darwin = configurationOptions "darwin";
  };
 
- config.flake = mkIf (cfg ? root) rec {
+ config.flake = rec {
  homeModules = readModules cfg.home.modulesDirectory;
  nixosModules = readModules cfg.nixos.modulesDirectory;
  darwinModules = readModules cfg.darwin.modulesDirectory;

template/flake.nix

@@ -42,9 +42,6 @@
  systems = [ ];
 
  ezConfigs = {
- # All subdirectories under this contain a `dummy` file.
- # They can be deleted after the template has been initialised.
- # They are only there to preserve the directory structure within git.
  root = ./.;
  globalArgs = { inherit inputs; };
  };