{
  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 = { lib, ... }: {
      programs.git = {
        enable = true;

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

        signing = {
          key = config.age.secrets."alex.pinwheel-github.com-signing.pub".path;
          signByDefault = true;
        };

        settings = {
          rerere.enable = true;

          # Tells Git to use SSH instead of the default GPG
          gpg.format = "ssh";
        };
      };

      home.file.".ssh/config".target = ".ssh/config_source";

      home.activation.sshConfig = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
        run cat ~/.ssh/config_source > ~/.ssh/config
        run chmod 600 ~/.ssh/config
      '';

      home.packages = [ pkgs.tig ];

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

    age.secrets = {
      "alex.pinwheel-github.com-signing" = {
        file = ../../../../secrets/pinwheel/alex.pinwheel-github.com-signing.age;
        path = "/home/alex/.ssh/alex.pinwheel-github.com-signing";
        owner = "alex";
        group = "users";
      };
      "alex.pinwheel-github.com-signing.pub" = {
        file = ../../../../secrets/pinwheel/alex.pinwheel-github.com-signing.pub.age;
        path = "/home/alex/.ssh/alex.pinwheel-github.com-signing.pub";
        owner = "alex";
        group = "users";
      };
    };
  };
}