init (cerulean template)

hosts/modules/apps/sober.nix

@@ -0,0 +1,12 @@
+{...}: {
+  services.flatpak = {
+    enable = true;
+    packages = [
+      {
+        # Linux Runtime for Roblox
+        appId = "org.vinegarhq.Sober";
+        origin = "flathub";
+      }
+    ];
+  };
+}

hosts/modules/apps/steam.nix

@@ -0,0 +1,50 @@
+{
+  pkgs,
+  upkgs,
+  ...
+}: {
+  nixpkgs.overlays = [
+    (self: super: {
+      lutris = super.lutris.overrideAttrs (final: prev: {
+        # WARNING: pkgs.mbedtls_2 is marked insecure!
+        # Replace pkgs.mbedtls_2 (v2.28.10) with pkgs.mbedtls (v3.6.4)
+        targetPkgs = pkgs: (
+          (builtins.filter (p: p != pkgs.mbedtls_2) (prev.targetPkgs pkgs))
+          ++ [pkgs.mbedtls]
+        );
+      });
+    })
+  ];
+
+  programs = {
+    steam = {
+      enable = true;
+      package = upkgs.millennium-steam;
+      gamescopeSession.enable = false; # .desktop entry for gamescope
+
+      remotePlay.openFirewall = true;
+      dedicatedServer.openFirewall = true;
+      localNetworkGameTransfers.openFirewall = true;
+
+      extraCompatPackages = with pkgs; [
+        proton-ge-bin
+      ];
+    };
+
+    gamemode.enable = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    steamcmd
+
+    mangohud
+    protonup-qt
+
+    # XXX: DEBUG: disable lutris
+    # XXX: NOTE: pkgs.lutris depends on pkgs.mbedtls_2 which is marked insecure!
+    # XXX: NOTE: Use the provided overlay to patch pkgs.mbedtls_2 -> pkgs.mbedtls
+    # lutris
+
+    bottles
+  ];
+}