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

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    ...
  } @ inputs:
    flake-utils.lib.eachDefaultSystem (system: let
      inherit (nixpkgs) lib;
      pkgs = nixpkgs.legacyPackages.${system};
      buildTools = [pkgs.cmake pkgs.ninja pkgs.gcc];
      dependencies = [pkgs.ncurses pkgs.openssl pkgs.jansson];
      runTests = false;
    in rec {
      formatter = pkgs.alejandra;
      packages = {
        libdict = pkgs.stdenv.mkDerivation {
          pname = "libdict";
          version = "1.0.1";

          src = pkgs.fetchFromGitHub {
            owner = "rtbrick";
            repo = "libdict";
            rev = "fea9fb240cfa08dc3bbfe425fb78466dbbf1aa56";
            sha256 = "rnAvurPnmILMAB3Ingjw0lRJB6lcjdmUtPO6R3ek6e4=";
          };

          cmakeFlags = [
            "-DCMAKE_BUILD_TYPE=Release"
            "-DLIBDICT_STATIC=YES"
            "-DLIBDICT_TOOLS=NO"
            "-DLIBDICT_TESTS=NO"
            "-DLIBDICT_SHARED=YES"
          ];

          doCheck = false;

          checkInputs = [pkgs.cunit];
          nativeBuildInputs = buildTools;
        };
        bngblaster = let
          version = self.rev or "dirty";
        in
          pkgs.stdenv.mkDerivation rec {
            inherit version;
            pname = "bngblaster";
            src = lib.cleanSource ./.;

            doCheck = true;
            cmakeFlags =
              ["-DCMAKE_BUILD_TYPE=Release" "-DGIT_REF=${self.shortRef or "dirty"}" "-DGIT_SHA=${version}"]
              ++ (
                if doCheck
                then ["-DBNGBLASTER_TESTS=ON"]
                else []
              );

            checkInputs = [pkgs.cmocka pkgs.libpcap];
            nativeBuildInputs = buildTools;
            buildInputs = dependencies ++ [packages.libdict];
          };
      };
      devShell = pkgs.mkShell {
        buildInputs =
          dependencies
          ++ [packages.libdict pkgs.bashInteractive];
      };
      defaultPackage = packages.bngblaster;
      apps.bngblaster = flake-utils.lib.mkApp {drv = packages.bngblaster;};
      defaultApp = apps.bngblaster;
    });
}