{ lib, config, pkgs, ... }:

let cfg = config.my.home.git;
in
{
  options.my.home.git = with lib; {
    enable = mkEnableOption "git configuration";
  };

  config = lib.mkIf cfg.enable {
    programs.git = {
      enable = true;
      aliases = {
        s = "status --short --branch";
        amend = "commit --amend --no-edit";
        review = "push origin HEAD:refs/for/main";
      };
      extraConfig = {
        core.whitespace = "trailing-space,space-before-tab";
        color.ui = "true";
        # abort if the remote branch does not match the local one
        push.default = "simple";
        init.defaultBranch = "main";
        pull.rebase = true;
        rebase = {
          # Automatically create a temporary stash entry before the
          # operation begins, and apply it after the operation ends.
          autoStash = true;
          # Print a warning if some commits are removed
          missingCommitsCheck = "warn";
        };
        branch.autosetuprebase = "remote";
        branch.sort = "authordate";
        commit.template = "${config.xdg.dataHome}/git/commit.template";
        commit.gpgsign = true;
        gpg.format = "ssh";
        user.signingkey = "~/.ssh/fcuny_id_ed25519.pub";
        gpg.ssh.allowedSignersFile = "${config.xdg.dataHome}/git/allowed_signers";
      };
      userName = "Franck Cuny";
      userEmail = "franck@fcuny.net";
      extraConfig = {
        "credential \"https://github.com\"" = { username = "fcuny"; };
        "credential \"https://git.fcuny.net\"" = { username = "fcuny"; };
      };
      ignores = [
        "*.elc"
        "*.iml"
        "*.o"
        "*.pyc"
        "*.pyo"
        "*pyc"
        "*~"
        ".DS_Store"
        ".\\#"
        ".dir-locals.el"
        ".direnv/*"
        ".idea"
        ".projectile"
        ".pytest_cache/"
        "/env/*"
        "Icon"
        "TAGS"
        "\\#*\\#"
        "tags"
      ];
    };
    xdg.dataFile."git/commit.template" = { source = ./commit.template; };
    home.packages = with pkgs; [ tools.git-blame-stats gitAndTools.pre-commit ];
  };
}