pulsebert: add sdimage back

flake.nix

@@ -508,6 +508,9 @@
         pulsebert = nixosSystem' {
           modules = [
             ./hosts/pulsebert
+            # build: outputs.nixosConfigurations.pulsebert.config.system.build.sdImage
+            # run: unzstd -cd result/sd-image/nixos-sd-image-*-aarch64-linux.img.zst | pv -br | sudo dd bs=4M of=/dev/sdX
+            "${inputs.nixos-unstable}/nixos/modules/installer/sd-card/sd-image-aarch64-new-kernel.nix"
           ];
           nixpkgs = inputs.nixos-unstable;
           system = "aarch64-linux";

hosts/pulsebert/default.nix

@@ -15,15 +15,11 @@
   };
 
   boot = {
+    growPartition = true;
     loader = {
       grub.enable = false;
-      raspberryPi = {
-        enable = true;
-        version = 3;
-        uboot.enable = true;
-      };
     };
-    kernelPackages = pkgs.linuxPackages_latest;
+    kernelPackages = lib.mkForce pkgs.linuxPackages_latest;
     # No ZFS on latest kernel:
     supportedFilesystems = lib.mkForce [ "vfat" "ext4" ];
     kernelParams = [ "console=tty0" ];