nixos-config/configuration-native.nix

{ config, pkgs, lib, ... }:
{
  config = lib.mkIf (pkgs.stdenv.buildPlatform == pkgs.stdenv.hostPlatform) {
    environment.systemPackages = with pkgs; [
      meld
    ];

    programs.git.config.merge.tool = "meld";
  };

}