feat: add jovian nixos

modules/profiles/gaming.nix

@@ -1,5 +1,6 @@
 { lib
 , config
+, inputs
 , pkgs
 , ...
 }:
@@ -12,11 +13,25 @@ in
   options.my.profiles.gaming.enable = mkEnableOption "Enable gaming profile";
 
   config = mkIf cfg.enable {
-    programs.steam.enable = true;
-    environment.systemPackages = with pkgs; [
-      lutris
-      legendary-gl
-      mangohud
-    ];
+    specialisation.gaming.configuration = {
+      imports = [ inputs.jovian.nixosModules.default ];
+      environment.persistence."/persist".users.moritz.directories = [
+        ".cache/lutris/"
+        ".config/gamescope"
+        ".local/share/Steam/"
+        ".local/share/lutris/"
+      ];
+      users.users.moritz.packages = [ pkgs.lutris ];
+      jovian.steam.enable = true;
+      jovian.steam.autoStart = true;
+      jovian.steam.user = "moritz";
+      jovian.steam.desktopSession = "niri";
+      my.programs.niri.autoStart = false;
+      environment.sessionVariables = {
+        DXVK_HDR = "1";
+        ENABLE_HDR_WSI = "1";
+        ENABLE_GAMESCOPE_WSI = "1";
+      };
+    };
   };
 }

modules/profiles/impermanence.nix

@@ -45,9 +45,9 @@ in
           ".config/Signal/"
           ".config/calibre"
           ".config/keepassxc"
-          ".local/share/Steam/"
           ".local/share/zoxide"
           ".mozilla"
+          ".steam"
           "Documents"
           "Downloads"
           "Music"

modules/programs/niri.nix

@@ -11,6 +11,9 @@ let
 in
 {
   options.my.programs.niri.enable = mkEnableOption "niri";
+  options.my.programs.niri.autoStart = mkEnableOption "auto start niri" // {
+    default = true;
+  };
 
   config = mkIf cfg.enable {
     users.users.moritz.packages = with pkgs; [
@@ -261,14 +264,14 @@ in
         alsa.enable = true;
         pulse.enable = true;
       };
-      displayManager = {
+      displayManager = mkIf cfg.autoStart {
         autoLogin = {
           enable = true;
           user = "moritz";
         };
         defaultSession = "niri";
       };
-      xserver = {
+      xserver = mkIf cfg.autoStart {
         enable = true;
         displayManager.lightdm.enable = true;
       };