Use grub in reykjavik + add grub theme

flake.lock

@@ -50,6 +50,26 @@
         "type": "github"
       }
     },
+    "grub2-themes": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1668213765,
+        "narHash": "sha256-mTx1jAy6AOY4moWRGvCHYnUNX4qBL/ba47ZcIkhczJM=",
+        "owner": "vinceliuice",
+        "repo": "grub2-themes",
+        "rev": "c106dfb9b5b18ad092ff0f952f2b734933e8283e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vinceliuice",
+        "repo": "grub2-themes",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -153,6 +173,7 @@
     "root": {
       "inputs": {
         "emacs-overlay": "emacs-overlay",
+        "grub2-themes": "grub2-themes",
         "home-manager": "home-manager",
         "nix-colors": "nix-colors",
         "nixpkgs": "nixpkgs_2",

flake.nix

@@ -17,6 +17,9 @@
     emacs-overlay.url  = "github:nix-community/emacs-overlay";
 
     # - Themeing ---------------------------------
+    grub2-themes.url = "github:vinceliuice/grub2-themes";
+    grub2-themes.inputs.nixpkgs.follows = "nixpkgs";
+
     nix-colors.url = "github:misterio77/nix-colors";
 
   };
@@ -45,6 +48,7 @@
               [
                 inputs.home-manager.nixosModules.home-manager
                 inputs.nix-colors.homeManagerModule
+                inputs.grub2-themes.nixosModule
               ]
               # All my personal modules
               ++ (lib.my.mapModulesRec' (toString ./modules) import);

hosts/reykjavik/default.nix

@@ -18,7 +18,19 @@ in
 
   # - Bootloader ---------------------------------
 
-  boot.loader.systemd-boot.enable = true;
+  boot.loader = {
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot/efi";
+    };
+    grub = {
+      enable = true;
+      efiSupport = true;
+      #efiInstallAsRemovable = true; # in case canTouchEfiVariables doesn't work for your system
+      device = "nodev";
+    };
+    grub2-theme.enable = true;
+  };
 
   # - Themeing ---------------------------------
 

hosts/reykjavik/hardware.nix

@@ -18,7 +18,7 @@
       fsType = "ext4";
     };
 
-    "/boot" = {
+    "/boot/efi" = {
       device = "/dev/disk/by-label/BOOT";
       fsType = "vfat";
     };