caitsith/flake.nix

{
  description = "A dice roller bot";

  inputs = {
    flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/*";
    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/*";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs =
    {
      self,
      flake-schemas,
      nixpkgs,
      rust-overlay,
    }:
    let
      overlays = [
        rust-overlay.overlays.default
        (final: _: {
          rustToolchain = final.rust-bin.stable.latest.default.override { extensions = [ "rust-src" ]; };
        })
      ];

      supportedSystems = [
        "x86_64-linux"
        "aarch64-darwin"
        "aarch64-linux"
      ];
      forEachSupportedSystem =
        f:
        nixpkgs.lib.genAttrs supportedSystems (
          system:
          f {
            pkgs = import nixpkgs { inherit overlays system; };
          }
        );
    in
    {
      schemas = flake-schemas.schemas;
      formatter = forEachSupportedSystem ({ pkgs }: pkgs.nixfmt-rfc-style);
      devShells = forEachSupportedSystem (
        { pkgs }:
        {
          default = pkgs.mkShell {
            packages = with pkgs; [
              rustToolchain
              cargo-bloat
              cargo-edit
              cargo-outdated
              cargo-udeps
              cargo-watch
              rust-analyzer
              curl
              git
              jq
              wget
              nixfmt-rfc-style
              pkg-config-unwrapped
              openssl.dev
            ];

            env = {
              RUST_BACKTRACE = "1";
              RUST_SRC_PATH = "${pkgs.rustToolchain}/lib/rustlib/src/rust/library";
              PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
            };
          };
        }
      );

      packages = forEachSupportedSystem (
        { pkgs }:
        let
          pname = "caitsith";
          version = "master";

          bot = pkgs.rustPlatform.buildRustPackage {
            inherit pname version;
            src = self;
            cargoLock = {
              lockFile = ./Cargo.lock;
            };
            nativeBuildInputs = with pkgs; [
              pkg-config-unwrapped
              openssl.dev
            ];

            meta = {
              description = "A dice roller bot";
              mainProgram = "caitsith";
              homepage = "https://scm.wyattjmiller.com/wymiller/caitsith";
              maintainers = [ "wymillerlinux" ];
              platforms = [ "x86_64-linux" ];
            };

            env = {
              PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
            };
          };
        in
        {
          default = bot;
          docker = pkgs.dockerTools.buildLayeredImage {
            name = pname;
            tag = "latest";
            contents = [
              bot
              pkgs.cacert
            ];

            config = {
              Entrypoint = [ "${bot}/bin/${pname}" ];
              Env = [ "SSL_CERT_FILE=${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt" ];
              Labels = {
                "org.opencontainers.image.title" = pname;
                "org.opencontainers.image.description" = "A dice roller bot";
                "org.opencontainers.image.source" = "https://scm.wyattjmiller.com/wymiller/caitsith";
              };
            };
          };
        }
      );
    };
}