flake.lock

@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "dedsec-grub-theme": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1662065030,
+        "narHash": "sha256-EhgbM6/qM807Ht0ZnlOY0H8WS4CqbpuGREo02e2dys8=",
+        "owner": "pleshevskiy",
+        "repo": "dedsec-grub-theme",
+        "rev": "bdb30e5c2a984f17731e8bb174826ad062ec9d2c",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "pleshevskiy",
+        "ref": "nix-flake",
+        "repo": "dedsec-grub-theme",
+        "type": "gitlab"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -40,6 +61,7 @@
     },
     "root": {
       "inputs": {
+        "dedsec-grub-theme": "dedsec-grub-theme",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs"
       }

flake.nix

@@ -6,6 +6,11 @@
       url = github:nix-community/home-manager/master;
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    dedsec-grub-theme = {
+      url = gitlab:pleshevskiy/dedsec-grub-theme/nix-flake;
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = inputs @ { self, nixpkgs, ... }:
@@ -18,7 +23,7 @@
       };
 
       nixosConfigurations = import ./outputs/system.nix {
-        inherit nixpkgs system;
+        inherit inputs system;
       };
 
       devShells.${system} =

outputs/home.nix

@@ -1,4 +1,4 @@
-{ inputs, system }:
+{ inputs, system, ... }:
 
 with inputs;
 

outputs/system.nix

@@ -1,9 +1,11 @@
-{ nixpkgs, system }:
+{ inputs, system, ... }:
 
+with inputs;
 {
   systemHome = nixpkgs.lib.nixosSystem {
     inherit system;
     modules = [
+      dedsec-grub-theme.nixosModule
       ../system/configuration.nix
       ../system/machine/home
     ];

system/machine/home/default.nix

@@ -15,6 +15,12 @@ in
       enable = true;
       version = 2;
       device = "/dev/sda";
+
+      dedsec-theme = {
+        enable = true;
+        style = "sitedown";
+        resolution = "1440p";
+      };
     };
 
     kernelPackages = pkgs.linuxPackages_latest;