plymouth apple

packages/plymouth-bgrt-apple/default.nix

@@ -0,0 +1,41 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  unstableGitUpdater,
+}:
+
+stdenv.mkDerivation {
+  name = "nixos-bgrt-plymouth";
+  version = "20260209";
+
+  src = fetchFromGitHub {
+    repo = "plymouth-theme-nixos-bgrt";
+    owner = "mjallen18";
+    rev = "80a28fa8c294f21a6afb254dba88f5fc0668f125";
+    hash = "sha256-cgYptvyD19xNjQBCJn8c77e1OZGrKvLVgJ+sW1vQxUM=";
+  };
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/plymouth/themes/nixos-bgrt-apple
+    cp -r $src/{*.plymouth,images} $out/share/plymouth/themes/nixos-bgrt-apple/
+    substituteInPlace $out/share/plymouth/themes/nixos-bgrt-apple/*.plymouth --replace '@IMAGES@' "$out/share/plymouth/themes/nixos-bgrt-apple/images"
+
+    runHook postInstall
+  '';
+
+  passthru.updateScript = unstableGitUpdater { };
+
+  meta = {
+    description = "BGRT theme with a spinning NixOS logo for MacBooks";
+    homepage = "https://github.com/mjallen18/plymouth-theme-nixos-bgrt";
+    license = lib.licenses.mit;
+    maintainers = [ ];
+    platforms = lib.platforms.all;
+  };
+}

systems/aarch64-linux/macbook-pro-nixos/boot.nix

@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ lib, pkgs, namespace, ... }:
 {
   # Use the systemd-boot EFI boot loader.
   boot = {
@@ -32,5 +32,12 @@
     supportedFilesystems = {
       apfs = lib.mkForce true;
     };
+
+    plymouth = {
+      theme = "nixos-bgrt-apple";
+      themePackages = with pkgs.${namespace}; [
+        plymouth-bgrt-apple
+      ];
+    };
   };
 }