feat(nixos): add Bambu Studio Flatpak

Manage the user Flatpak through nix-flatpak and enable printer discovery through the host firewall.

configs/nixos/hosts/zeus/default.nix

@@ -43,6 +43,7 @@
   modules.shell.omp.enable = true;
 
   modules.desktop.enable = true;
+  modules.desktop.apps.bambu-studio.enable = true;
   modules.desktop.apps.obsidian.enable = true;
   modules.desktop.apps.r2modman.enable = true;
   modules.desktop.emulation.enable = true;

configs/nixos/modules/desktop/apps/bambu-studio.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  inputs,
+  lib,
+  util,
+  ...
+}:
+# Bambu Studio for preparing and monitoring Bambu Lab prints.
+let
+  user = config.user.name;
+in
+{
+  options.modules.desktop.apps.bambu-studio.enable =
+    lib.mkEnableOption "Bambu Studio for preparing and monitoring Bambu Lab prints";
+
+  config = lib.mkIf config.modules.desktop.apps.bambu-studio.enable {
+    services.flatpak.enable = true;
+
+    home-manager.sharedModules = [ inputs.nix-flatpak.homeManagerModules.nix-flatpak ];
+    home-manager.users.${user}.services.flatpak = {
+      enable = true;
+      packages = [ "com.bambulab.BambuStudio" ];
+    };
+
+    # Bambu printers announce themselves with SSDP multicast or broadcast traffic.
+    networking.firewall.allowedUDPPorts = [
+      1990
+      2021
+    ];
+
+    registry.window-icon.${config.networking.hostName}.bambu-studio = {
+      class = "[Bb]ambu[Ss]tudio";
+      icon = util.glyph "f1b2";
+    };
+  };
+}

flake.lock

@@ -321,6 +321,22 @@
         "type": "github"
       }
     },
+    "nix-flatpak": {
+      "locked": {
+        "lastModified": 1767983141,
+        "narHash": "sha256-7ZCulYUD9RmJIDULTRkGLSW1faMpDlPKcbWJLYHoXcs=",
+        "owner": "gmodena",
+        "repo": "nix-flatpak",
+        "rev": "440818969ac2cbd77bfe025e884d0aa528991374",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gmodena",
+        "ref": "v0.7.0",
+        "repo": "nix-flatpak",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "inputs": {
         "nixpkgs": [
@@ -456,6 +472,7 @@
         "firefox-addons": "firefox-addons",
         "gitea-axi": "gitea-axi",
         "home-manager": "home-manager_3",
+        "nix-flatpak": "nix-flatpak",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-stable": "nixpkgs-stable",

flake.nix

@@ -16,6 +16,9 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    # Installs Flatpak applications declaratively.
+    nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=v0.7.0";
+
     # Provides signed AMO extensions pinned by version and hash.
     firefox-addons = {
       url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";