feat(Zephyrus): Steam specialization now uses jovian SteamOS module

flake.lock

@@ -436,6 +436,49 @@
         "type": "github"
       }
     },
+    "jovian": {
+      "inputs": {
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1729921861,
+        "narHash": "sha256-lR1FS18NxY8XfYVxFSIAHCeJuTgbGUy7J79Bo0e9ZMA=",
+        "owner": "Jovian-Experiments",
+        "repo": "Jovian-NixOS",
+        "rev": "b0d86a65833bed4eda4d36ad54730a967bdca15a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Jovian-Experiments",
+        "repo": "Jovian-NixOS",
+        "type": "github"
+      }
+    },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "jovian",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1729697500,
+        "narHash": "sha256-VFTWrbzDlZyFHHb1AlKRiD/qqCJIripXKiCSFS8fAOY=",
+        "owner": "zhaofengli",
+        "repo": "nix-github-actions",
+        "rev": "e418aeb728b6aa5ca8c5c71974e7159c2df1d8cf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zhaofengli",
+        "ref": "matrix-name",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1727348695,
@@ -498,6 +541,7 @@
           "hy3",
           "hyprland"
         ],
+        "jovian": "jovian",
         "nixpkgs": "nixpkgs_2",
         "sops-nix": "sops-nix"
       }

flake.nix

@@ -50,6 +50,12 @@
       url = "github:GaspardCulis/anixrun";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    # SteamOS
+    jovian = {
+      url = "github:Jovian-Experiments/Jovian-NixOS";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = {
@@ -59,6 +65,7 @@
     deploy-rs,
     sops-nix,
     home-manager,
+    jovian,
     ...
   } @ inputs: let
     system = "x86_64-linux";
@@ -71,6 +78,7 @@
           ./hosts/Zephyrus
           disko.nixosModules.disko
           home-manager.nixosModules.home-manager
+          jovian.nixosModules.jovian
         ];
       };
 

hosts/Zephyrus/default.nix

@@ -104,30 +104,17 @@
       ];
       group = "steam";
     };
-    programs = {
-      gamescope = {
+    services.desktopManager.plasma6.enable = true;
+    jovian.steam = {
       enable = true;
-        capSysNice = true;
-        env = {
+      autoStart = true;
+      user = "steam";
+      desktopSession = "plasma";
+    };
+    environment.sessionVariables = {
       XKB_DEFAULT_LAYOUT = "fr";
     };
   };
-      steam = {
-        enable = true;
-        gamescopeSession.enable = true;
-        remotePlay.openFirewall = true;
-        dedicatedServer.openFirewall = true;
-        localNetworkGameTransfers.openFirewall = true;
-      };
-    };
-    hardware.xone.enable = true; # support for the xbox controller USB dongle
-    services.getty.autologinUser = "steam";
-    environment = {
-      loginShellInit = ''
-        [[ "$(tty)" = "/dev/tty1" ]] && ${(pkgs.writeShellScript "gs.sh" "${builtins.readFile ../../bin/gs.sh}")}
-      '';
-    };
-  };
 
   system.stateVersion = "24.11";
 }

hosts/Zephyrus/hardware-configuration.nix

@@ -68,6 +68,8 @@
       "steam-original"
       "steam-run"
       "steam-unwrapped"
+      "steam-jupiter-unwrapped"
+      "steamdeck-hw-theme"
     ];
 
   hardware.graphics = {