#
# Git
#
{
  lib,
  pkgs,
  user,
  ...
}: {
  programs = {
    git = {
      enable = true;
      hooks.pre-commit = pkgs.writeShellScript "pre-commit" ''
        nix fmt .
        git diff --exit-code || {
          echo "Formatter changed files — review with 'git diff', then re-stage and commit."
          exit 1
        }
      '';
      settings = {
        user.name = "Kabbone";
        user.email = "tobias@opel-online.de";
      };
      lfs = {
        enable = true;
        skipSmudge = true;
      };
      signing = {
        format = "ssh";
        key = lib.mkDefault "/home/${user}/.ssh/id_ed25519_sk_rk_red";
        signByDefault = true;
      };
    };
    difftastic.enable = true;
  };
}