{
  description = "vulkan stuff";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    systems.url = "github:nix-systems/default-linux";
  };

  outputs = inputs: let
    eachSystem = inputs.nixpkgs.lib.genAttrs (import inputs.systems);
    pkgsFor = inputs.nixpkgs.legacyPackages;
  in {
    packages = eachSystem (system: {
      default = inputs.self.packages.${system}.ralc;
      ralc = pkgsFor.${system}.callPackage ./nix/package.nix {};
    });

    devShells = eachSystem (system: {
      default = let
        pkgs = pkgsFor.${system};
      in
        pkgsFor.${system}.mkShell rec {
          packages = builtins.attrValues {
            inherit
              (pkgs)
              wayland
              cargo
              bacon
              clippy
              rustfmt
              rust-analyzer

              vulkan-tools
              vulkan-loader
              vulkan-headers
              vulkan-validation-layers
              vulkan-tools-lunarg
              vulkan-extension-layer
              ;
          };

          shellHook = with pkgs; ''
            echo "Welcome to my Vulkan Shell"
            echo "vulkan loader: ${vulkan-loader}"
            echo "vulkan headers: $vulkan-headers}"
            echo "validation layer: ${vulkan-validation-layers}"
            echo "tools: ${vulkan-tools}"
            echo "tools-lunarg: ${vulkan-tools-lunarg}"
            echo "extension-layer: ${vulkan-extension-layer}"
          '';

          LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath packages}";
          VK_LAYER_PATH = "${pkgs.vulkan-validation-layers}/share/vulkan/explicit_layer.d";
          VULKAN_SDK = "${pkgs.vulkan-validation-layers}/share/vulkan/explicit_layer.d";
          XDG_DATA_DIRS = builtins.getEnv "XDG_DATA_DIRS";
          XDG_RUNTIME_DIR = "/run/user/1000";
        };
    });
  };
}