···

       
1
       
1
       
 
       
{

     

       
2
       
2
       
 
       
  config,

     

       
3
       
3
       
 
       
  lib,

     

       
4
       
4
       
+
       
  pkgs,

     

       
4
       
5
       
 
       
  ...

     

       
5
       
6
       
 
       
}: {

     

       
6
       
7
       
 
       
  options.myNixOS.programs.nix.enable = lib.mkEnableOption "sane nix configuration";

     

       
7
       
8
       
 
       


     

       
8
       
9
       
 
       
  config = lib.mkIf config.myNixOS.programs.nix.enable {

     

       
9
       
10
       
 
       
    nix = {

     

       
11
       
11
       
+
       
      package = pkgs.nixVersions.latest;

     

       
12
       
12
       
+
       


     

       
10
       
13
       
 
       
      gc = {

     

       
11
       
14
       
 
       
        automatic = true;

     

       
12
       
15