all repos — nixfiles @ 2e2883cbb2f61bfebbad09fa2a082df7375e8fe4

System and user configuration, managed by nix and home-manager

system/settings/configuration/nix.nix (view raw)

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{
  pkgs,
  lib,
  ...
}:
let
  kb = 1000;
  mb = 1000 * kb;
  gb = 1000 * mb;

  lixPackageSet = import ../../../shared/lix.nix { inherit pkgs; };
in
{
  nix = {
    package = lixPackageSet.lix;
    distributedBuilds = lib.mkDefault true;

    settings = {
      cores = lib.mkDefault 0;
      use-xdg-base-directories = true;
      keep-outputs = true;
      warn-dirty = false;

      # https://jackson.dev/post/nix-reasonable-defaults/
      connect-timeout = lib.mkDefault 5;
      min-free = 128 * mb;
      max-free = 1 * gb;
      fallback = true;

      substituters = [
        "https://nix-community.cachix.org"
        "https://cache.lix.systems"
        "https://binarycache.alin.ovh"
      ];
      trusted-public-keys = [
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
        "binarycache.alin.ovh:ZwqO3XMuajPictjwih8OY2+RXnOKpjZEZFHJjGSxAI4="
        "cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
      ];

      experimental-features = [
        "nix-command"
        "flakes"
      ];
    };

    gc = {
      automatic = lib.mkDefault true;
      options = lib.mkDefault "--delete-older-than 14d";
    };
  };

  environment.systemPackages = with pkgs; [
    nix-output-monitor
  ];
}