{
  description = "A Church Presentation Application";

  inputs = {
    cargo2nix.url = "github:cargo2nix/cargo2nix/release-0.11.0";
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    # nixpkgs.follows = "cargo2nix/nixpkgs";
  };

  outputs = inputs: with inputs;
    flake-utils.lib.eachDefaultSystem
      (system:
        let
          pkgs = import nixpkgs {
            inherit system;
            overlays = [cargo2nix.overlays.default];
          };
          src = ./.;
          rustPkgs = pkgs.rustBuilder.makePackageSet {
            rustVersion = "1.61.0";
            packageFun = import ./Cargo.nix;
          };
          # The workspace defines a development shell with all of the dependencies
          # and environment settings necessary for a regular `cargo build`.
          # Passes through all arguments to pkgs.mkShell for adding supplemental
          # dependencies.
          workspaceShell = rustPkgs.workspaceShell {
            packages = with pkgs; [
              gcc
              stdenv
              bintools
              gnumake
              gdb
              qtcreator
              cmake
              extra-cmake-modules
              pkg-config
              libsForQt5.wrapQtAppsHook
              makeWrapper

              clang-tools
              clang
              libclang
              qt5.qtbase
              qt5.qttools
              qt5.qtquickcontrols2
              qt5.qtx11extras
              qt5.qtmultimedia
              qt5.qtwayland
              libsForQt5.kirigami2
              libsForQt5.qqc2-desktop-style
              libsForQt5.karchive
              mpv
              ffmpeg_6-full
              # Rust tools
              clippy
              rustc
              cargo
              rustfmt
              rust-analyzer
              corrosion
            ];
            # shellHook = ''
            #   export PS1="\033[0;31m☠dev-shell☠ $ \033[0m"
            # '';
          };

        in rec
        {
          # packages = {
          #   crate = (rustPkgs.workspace.libre-presenter {  }).bin;
          #   default = packages.crate;
          # };
          devShell = workspaceShell;
          defaultPackage = pkgs.libsForQt5.callPackage ./default.nix { };
        }
      );
}