be a bit smarter about fzf module

flake.nix

@@ -57,7 +57,7 @@
 
             ./hosts/toaster
 
-            ./modules/basic-tools.nix
+            ./modules/basic-tools
             ./modules/binary-caches.nix
             ./modules/devtools.nix
             ./modules/gnupg.nix
@@ -77,7 +77,7 @@
 
             ./hosts/microwave
 
-            ./modules/basic-tools.nix
+            ./modules/basic-tools
             ./modules/binary-caches.nix
             ./modules/devtools.nix
             ./modules/gnupg.nix
@@ -93,7 +93,7 @@
           modules = [
             sops-nix.nixosModules.sops
             ./hosts/cirrus
-            ./modules/basic-tools.nix
+            ./modules/basic-tools
           ];
         };
 
@@ -104,7 +104,7 @@
             sops-nix.nixosModules.sops
             microvm.nixosModules.host
             ./hosts/dishwasher
-            ./modules/basic-tools.nix
+            ./modules/basic-tools
             ./modules/binary-caches.nix
 
             {

hosts/toaster/default.nix

@@ -13,14 +13,6 @@
     audacity
     yt-dlp
   ];
-  # integrate fzf into shell, >23.05 only
-  # to be moved to basic tools at some point
-  programs = {
-    fzf = {
-      keybindings = true;
-      fuzzyCompletion = true;
-    };
-  };
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;

modules/basic-tools/default.nix

@@ -1,6 +1,10 @@
 { lib, config, pkgs, inputs, ... }:
 
 {
+  imports = [
+    ./fzf.nix
+  ];
+
   environment.systemPackages = with pkgs; [
     bat
     fd

modules/basic-tools/fzf.nix

@@ -0,0 +1,10 @@
+{ lib, config, ... }: {
+  # integrate fzf into shell, >23.05 only
+  programs =
+    if (lib.toInt (lib.elemAt (lib.splitVersion config.system.nixos.release) 0) >= 23) then {
+      fzf = {
+        keybindings = true;
+        fuzzyCompletion = true;
+      };
+    } else { };
+}