nixos/profiles/builder.nix

   1 {
   2   pkgs,
   3   lib,
   4   inputs,
   5   ...
   6 }:
   7 {
   8   nix.settings.experimental-features = [
   9     "nix-command"
  10     "flakes"
  11   ];
  12   # ExplanationNote: disable global registry
  13   # to keep only system registry.
  14   nix.settings.flake-registry = "/etc/nix/registry.json";
  15   #nix.registry.self.flake = inputs.self;
  16   nixpkgs.flake = {
  17     # ExplanationNote: use input.nixpkgs to record a public rev
  18     # into flake.nix using flake:nixpkgs as an input.
  19     source = inputs.nixpkgs;
  20     #source = pkgs.path;
  21     setNixPath = true;
  22     setFlakeRegistry = true;
  23   };
  24   nix.registry.nixpkgs = {
  25     from = {
  26       id = "nixpkgs";
  27       type = "indirect";
  28     };
  29     to = {
  30       owner = "NixOS";
  31       repo = "nixpkgs";
  32       inherit (inputs.nixpkgs) rev;
  33       # May be overriden by nixos/modules/installer/cd-dvd/channel.nix
  34       type = lib.mkDefault "github";
  35     };
  36   };
  37 }