flake.nix

{
  description = "A very basic flake";
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };
  outputs = { self, nixpkgs, flake-utils }: {

    packages.x86_64-linux.hello = nixpkgs.legacyPackages.x86_64-linux.hello;

    packages.x86_64-linux.default = self.packages.x86_64-linux.hello;

  } // (flake-utils.lib.eachDefaultSystem (system:
    let
      pkgs = nixpkgs.legacyPackages.${system};
    in
    {
      devShells.default = pkgs.mkShell {
        name = "Nix.rs";
        packages = with pkgs; [
          libsodium
          pkg-config
          fuse
          protobuf libarchive
          jq
          rustc.llvmPackages.llvm
        ] ++ lib.optionals stdenv.isDarwin [
          darwin.apple_sdk.frameworks.CoreServices
          darwin.apple_sdk.frameworks.Security
          darwin.apple_sdk.frameworks.SystemConfiguration
          iconv
        ];
      };
    }));
}