modules/nixos/common.nix


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{ pkgs, lib, ... }:
{
  nix.settings.experimental-features = [ "nix-command" "flakes" ];

  nix.gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 30d";
  };

  # Per-host configuration.nix can override either of these without
  # conflicting, since they're set with mkDefault here.
  time.timeZone = lib.mkDefault "Etc/UTC";
  i18n.defaultLocale = lib.mkDefault "en_US.UTF-8";

  programs.zsh.enable = true;

  users.users.tom = {
    isNormalUser = true;
    extraGroups = [ "wheel" ];
    shell = pkgs.zsh;
  };
}