{
  pkgs,
  lib,
  config,
  ...
}:
let
  enabled = config.mod.git.enable;
in
{
  options = {
    mod.git = {
      enable = lib.mkEnableOption "enable git module";
    };
  };

  config = lib.mkIf enabled {
    home-manager.users.alex = {
      programs.git = {
        enable = true;

        includes = [
          { path = ./gitconfig; }
        ];

        extraConfig = {
          rerere.enable = true;
        };
      };

      home.packages = [ pkgs.tig ];

      home.file.".tigrc".text = ''
        set main-view-line-number = yes
        set main-view-line-number-interval = 1
      '';
    };
  };
}