{
  description = "git-age";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    self,
    flake-utils,
    nixpkgs,
  }:
    flake-utils.lib.eachDefaultSystem (
      system: let
        pkgs = nixpkgs.legacyPackages.${system};
        git-age = pkgs.buildGoModule rec {
          pname = "git-age";
          version = "0.0.3";

          src = ./.;

          vendorHash = "sha256-W+WDMGyKQaHSsPLg1sVsHCmu087Cu0y7hq0f4uaVDqA=";

          ldflags = [
            "-s"
            "-w"
            "-X=go.jolheiser.com/git-age/cmd.version=${version}"
          ];

          doCheck = false;

          nativeBuildInputs = [pkgs.installShellFiles];

          preInstall = ''
            go run man.go
            installManPage git-age.1
          '';

          meta = with pkgs.lib; {
            description = "";
            homepage = "https://git.jojodev.com/jolheiser/git-age";
            license = licenses.mpl20;
            maintainers = with maintainers; [jolheiser];
            mainProgram = "git-age";
          };
        };
      in {
        packages.default = git-age;
      }
    );
}