nixcon-2024-presentation-public/flake.nix

{
  description = "Presentation for NixCon 2024";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs = { self, nixpkgs }:
    let
      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
        pkgs = import nixpkgs { inherit system; };
      });
    in
    {
      packages = forEachSupportedSystem ({ pkgs }: {
        default = pkgs.stdenv.mkDerivation {
          name = "nixcon-2024-slides";
          buildInputs = with pkgs; [ marp-cli ];
          src = self;
          dontUnpack = true;

          buildPhase = ''
            marp $src/presentation.md --output $out/presentation.html --html
            cp -r $src/assets $out/assets
          '';
        };
      });

      devShells = forEachSupportedSystem ({ pkgs }: {
        default = pkgs.mkShell {
          packages = with pkgs; [ marp-cli ];
        };
      });
    };
}