youmubot/flake.nix

{
  description = "A discord bot for Dự Tuyển Tổng Hợp server";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
  nixConfig = {
    extra-substituters = [ "https://natsukagami.cachix.org" ];
    extra-trusted-public-keys = [
      "natsukagami.cachix.org-1:3U6GV8i8gWEaXRUuXd2S4ASfYgdl2QFPWg4BKPbmYiQ="
    ];
  };
  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
      ...
    }@inputs:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ (import inputs.rust-overlay) ];
        };
      in
      rec {
        packages.youmubot = pkgs.callPackage ./package.nix { };

        defaultPackage = packages.youmubot;

        # `nix run`
        apps.youmubot = flake-utils.lib.mkApp {
          drv = packages.youmubot;
          exePath = "/bin/youmubot";
        };
        defaultApp = apps.youmubot;

        # `nix develop`
        devShell = pkgs.mkShell {
          inputsFrom = [ packages.youmubot ];

          buildInputs = with pkgs; [
            rustfmt
            clippy
            sqlx-cli
            rust-analyzer

            curl
            jq

            sqlite-interactive
          ];

          nativeBuildInputs = nixpkgs.lib.optionals pkgs.stdenv.isLinux (
            with pkgs;
            [
              pkg-config
            ]
          );

          RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc;
        };
      }
    )
    // {
      overlays.default = final: prev: {
        youmubot = final.callPackage ./package.nix { };
      };
      # module
      nixosModules.default = import ./module.nix;
    };
}