[water7] feat: Add minegrub

Signed-off-by: SindreKjelsrud <sindre@kjelsrud.dev>

flake.lock

@@ -41,7 +41,41 @@
         "type": "github"
       }
     },
+    "minegrub-theme": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1775570192,
+        "narHash": "sha256-wTLOBy3l/FaIGJWRGFTVYsITkou0lmDU3uAMxvOCCN8=",
+        "owner": "Lxtharia",
+        "repo": "minegrub-theme",
+        "rev": "8ba52f8402ed642abf0f6eee32c407412a3ceae6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Lxtharia",
+        "repo": "minegrub-theme",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1689850295,
+        "narHash": "sha256-fUYf6WdQlhd2H+3aR8jST5dhFH1d0eE22aes8fNIfyk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5df4d78d54f7a34e9ea1f84a22b4fd9baebc68d0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1776548001,
         "narHash": "sha256-ZSK0NL4a1BwVbbTBoSnWgbJy9HeZFXLYQizjb2DPF24=",
@@ -60,7 +94,8 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
-        "nixpkgs": "nixpkgs",
+        "minegrub-theme": "minegrub-theme",
+        "nixpkgs": "nixpkgs_2",
         "sops-nix": "sops-nix",
         "zen-browser": "zen-browser"
       }

flake.nix

@@ -18,6 +18,8 @@
       url = "github:mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    minegrub-theme.url = "github:Lxtharia/minegrub-theme";
   };
 
   outputs = { self, nixpkgs, ... }@inputs: {
@@ -48,6 +50,7 @@
         modules = [
           ./hosts/water7/configuration.nix
           inputs.home-manager.nixosModules.default
+          inputs.minegrub-theme.nixosModules.default
         ];
       };
     };

hosts/water7/configuration.nix

@@ -14,8 +14,25 @@
 	nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
   # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader = {
+    timeout = 5;
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot";
+    };
+    grub = {
+      enable = true;
+      version = 2;
+      devices = ["nodev"];
+      efiSupport = true;
+      minegrub-theme = {
+        enable = true;
+        splash = "100% Flakes!";
+        background = "background_options/1.8  - [Classic Minecraft].png";
+        boot-options-count = 4;
+      };
+    };
+  };
 
   networking.hostName = "water7"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.