Set up nix-index-database.

flake.lock

@@ -241,6 +241,26 @@
         "type": "github"
       }
     },
+    "nix-index-database": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1726449931,
+        "narHash": "sha256-1AX7MyYzP7sNgZiGF8jwehCCI75y2kBGwACeryJs+yE=",
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "rev": "c1b0fa0bec5478185eae2fd3f39b9e906fc83995",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1726320982,
@@ -331,6 +351,7 @@
         "disko": "disko",
         "home-manager": "home-manager",
         "impermanence": "impermanence",
+        "nix-index-database": "nix-index-database",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "nixvim": "nixvim"

flake.nix

@@ -13,6 +13,10 @@
       url = "github:nix-community/home-manager/release-24.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-index-database = {
+      url = "github:nix-community/nix-index-database";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     nixvim = {
       url = "github:nix-community/nixvim";
       inputs.nixpkgs.follows = "nixpkgs-unstable";
@@ -55,6 +59,7 @@
                 users.ppetru = {
                   imports = [
                     (inputs.impermanence + "/home-manager.nix")
+                    inputs.nix-index-database.hmModules.nix-index
                     inputs.nixvim.homeManagerModules.nixvim
                     ./home
                   ];

home/default.nix

@@ -19,6 +19,7 @@
 
     persistence."/persist/home/ppetru" = {
       directories = [
+        ".cache/nix-index"
         ".local/share/fish"
         ".ssh"
         "projects"

home/programs.nix

@@ -35,6 +35,8 @@
 
   less.enable = true;
 
+  nix-index-database.comma.enable = true;
+
   nixvim = {
     enable = true;