{
  config,
  lib,
  pkgs,
  ...
}:
let
  cfg = config.custom.development;
in
{
  options.custom.development.enable = lib.mkOption {
    type = lib.types.bool;
    default = false;
  };

  config = lib.mkIf cfg.enable {
    custom.nvim.enable = true;

    #################### Git configuration ####################
    programs.git = {
      enable = true;
      lfs.enable = true;
      config = {
        user = {
          email = "vili.m.sinerva@gmail.com";
          name = "Vili Sinervä";
          signingkey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJowj9IJIgYjDwZm5mEttiwvPfu1dd4eVTHfaDnbwcOV";
        };
        merge = {
          ff = "true";
        };
        pull = {
          ff = "only";
        };
        commit = {
          verbose = "true";
        };
        gpg.format = "ssh";
        commit.gpgsign = "true";
      };
    };

    #################### Packages ####################
    environment.systemPackages = with pkgs; [
      nixfmt-rfc-style
      nixd

      vagrant
      nmap
      metasploit
      armitage
    ];
    virtualisation.virtualbox.host.enable = true;
    virtualisation.virtualbox.host.addNetworkInterface = false;
    users.extraGroups.vboxusers.members = [ "vili" ];

    fonts.packages = builtins.filter lib.attrsets.isDerivation (builtins.attrValues pkgs.nerd-fonts);
  };
}