add: swaytreesave home-manager module

flake.nix

@@ -41,8 +41,7 @@
       );
 
       overlays.default = import ./overlays;
-
-      homeManagerModules.default = import ./modules/home-manager;
+      homeManagerModules = import ./modules/home-manager self;
       nixosModules.default = import ./modules/nixos;
       darwinModules.default = import ./modules/darwin;
     };

modules/home-manager/default.nix

@@ -0,0 +1,3 @@
+self: {
+  swaytreesave = import ./swaytreesave self;
+}

modules/home-manager/swaytreesave.nix

@@ -0,0 +1,20 @@
+self: { config, lib, pkgs, ... }:
+let
+  cfg = config.programs.swaytreesave;
+in
+{
+  options.programs.swaytreesave = {
+    enable = lib.mkEnableOption "swaytreesave";
+
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = self.packages.${pkgs.system}.swaytreesave;
+      defaultText = lib.literalExpression "self.packages.\${pkgs.system}.swaytreesave";
+      description = "The swaytreesave package to install.";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+  };
+}