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{
  inputs = {
    utils.url = "github:numtide/flake-utils";
    naersk.url = "github:nmattia/naersk";
    mozillapkgs = {
      url = "github:mozilla/nixpkgs-mozilla";
      flake = false;
    };
    gitignore = { 
      url = "github:hercules-ci/gitignore"; 
      flake=false; 
    };
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
  };

  outputs = { self, nixpkgs, utils, naersk, mozillapkgs, gitignore, ... }:
  utils.lib.eachDefaultSystem (system: 
  let
    pkgs = nixpkgs.legacyPackages."${system}";
    inherit (import gitignore { inherit (pkgs) lib; }) gitignoreSource;

    # Get a specific rust version
    mozilla = pkgs.callPackage (mozillapkgs + "/package-set.nix") {};

    rust = (mozilla.rustChannelOf {
      date = "2021-03-31";
      channel = "nightly";
      sha256 = "oK5ebje09MRn988saJMT3Zze/tRE7u9zTeFPV1CEeLc="; # set zeros after modifying channel or date
    }).rust;

    rust-src = (mozilla.rustChannelOf {
      date = "2021-03-31";
      channel = "nightly";
      sha256 = "oK5ebje09MRn988saJMT3Zze/tRE7u9zTeFPV1CEeLc="; # set zeros after modifying channel or date
    }).rust-src;

    naersk-lib = naersk.lib."${system}".override {
      cargo = rust;
      rustc = rust;
    };

    nativeBuildInputs = with pkgs; [
      SDL2
      SDL2_ttf
    ];

  in rec {
    packages.my-project = naersk-lib.buildPackage {
      pname = "sdl-tests";
      version = "0.1.0";
      root = gitignoreSource ./.;
      inherit nativeBuildInputs;
    };
    defaultPackage = packages.my-project;
    apps.my-project = utils.lib.mkApp {
      drv = packages.my-project;
    };
    defaultApp = apps.my-project;
    devShell = pkgs.mkShell {
      nativeBuildInputs = nativeBuildInputs ++ (with pkgs; [
        rust 
        rust-src
        rust-analyzer
        rustfmt
        cargo
      ]);
      RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
      RUST_LOG="info";
      RUST_BACKTRACE=1;
    };
  });
}