{
  description = "Flake utils demo";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/23.05";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
        stdenv = pkgs.llvmPackages_14.stdenv;

        simple-wiki = stdenv.mkDerivation {
          pname = "simple-wiki";
          version = "0.0.0";

          src = ./.;

          nativeBuildInputs = with pkgs; [ pkg-config ];
          buildInputs = with pkgs; [ libgit2 ];

          installPhase = ''
            mkdir -p $out
            make PREFIX=$out install
          '';

          meta = with pkgs.lib; {
            description = "Simplest possible wiki system";
            license = licenses.unlicense;
            mainProgram = "simplewiki";
          };
        };

        creole-test = stdenv.mkDerivation rec {
          pname = "creole-test";
          version = simple-wiki.version;

          src = ./.;

          buildPhase = ''
            make build/creole_test
          '';

          installPhase = ''
            mkdir -p $out/bin
            mv build/creole_test $out/bin
          '';

          meta.mainProgram = "creole_test";
        };

        devShell = (pkgs.mkShell.override { inherit stdenv; }) {
          inputsFrom = [ simple-wiki creole-test ];
        };
      in
      {
        packages = {
          inherit simple-wiki creole-test;
          default = simple-wiki;
        };

        devShells.default = devShell;
      }
    );
}