liminix/modules/logging.nix

{ config, lib, ... }:
let
  inherit (lib)
    mkIf
    mkEnableOption
    mkOption
    types
    ;
in
{
  options = {
    logging = {
      persistent = {
        enable = mkEnableOption "store logs across reboots";
      };
    };
  };
  config = {
    kernel.config = mkIf config.logging.persistent.enable {
      PSTORE = "y";
      PSTORE_PMSG = "y";
      PSTORE_RAM = "y";
    };
  };
}