modules/nixos/common/nix.nix


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

{
  config,
  inputs,
  lib,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.common.nix;
in {
  options.nixfiles.modules.common.nix.allowedUnfreePackages = mkOption {
    description = "A list of allowed unfree packages.";
    type = with types; listOf str;
    default = [];
  };

  config = {
    nixpkgs.config.allowUnfreePredicate = p: elem (getName p) cfg.allowedUnfreePackages;

    system.stateVersion = with builtins;
      head (split "\n" (readFile "${inputs.nixpkgs}/.version"));

    environment = {
      sessionVariables.NIX_SHELL_PRESERVE_PROMPT = "1";
      localBinInPath = true;
      defaultPackages = [];
    };
  };
}