modules/nixos/common.nix


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

  documentation.man.enable = true;

  # allows users to customize shell in `$XDG_CONFIG_HOME/shell` rather than
  # needing /etc/shells. Useful for home-manager.
  # programs.noshell.enable = true;

  # cleans /tmp to maintain a tidy system
  boot.tmp.cleanOnBoot = true;

  networking.domain = lib.mkDefault config.networking.hostName;

  # disable lecture
  security.sudo.extraConfig = ''Defaults lecture="never"'';

  # make users immutable
  users.mutableUsers = false;
}