use pre-built nix-index db

default.nix

@@ -9,6 +9,7 @@ in {
     inputs.home-manager.nixosModules.home-manager
     (mkAliasOptionModule ["hm"] ["home-manager" "users" config.user.name])
     inputs.nix-colors.homeManagerModules.default # >home manager modules >in non-hm modules
+    inputs.nix-index-database.nixosModules.default
     inputs.niri.nixosModules.niri
   ]
     ++ (mapModulesRec' (toString ./modules) import);

flake.lock

@@ -420,6 +420,26 @@
         "type": "github"
       }
     },
+    "nix-index-database": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1765267181,
+        "narHash": "sha256-d3NBA9zEtBu2JFMnTBqWj7Tmi7R5OikoU2ycrdhQEws=",
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "rev": "82befcf7dc77c909b0f2a09f5da910ec95c5b78f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1763966396,
@@ -541,6 +561,7 @@
         "hyprlock": "hyprlock",
         "niri": "niri",
         "nix-colors": "nix-colors",
+        "nix-index-database": "nix-index-database",
         "nixpkgs": "nixpkgs_4",
         "rofi-catppuccin": "rofi-catppuccin",
         "waybar-catppuccin": "waybar-catppuccin"

flake.nix

@@ -10,6 +10,9 @@
     hardware.url = "github:nixos/nixos-hardware";
     nix-colors.url = "github:misterio77/nix-colors";
 
+    nix-index-database.url = "github:nix-community/nix-index-database";
+    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
+
     niri.url = "github:sodiboo/niri-flake";
 
     hyprlock.url = "github:hyprwm/hyprlock";

modules/nix.nix

@@ -10,7 +10,6 @@
   nix = {
     package = pkgs.nixVersions.latest;
 
-
     settings = {
       experimental-features = [ "nix-command" "flakes" ];