flake.nix

{
  description = "StatCat flake";

  inputs = {
    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.2405.*.tar.gz";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };

  outputs = { self, nixpkgs, rust-overlay }:
    let
      allSystems =
        [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];

      forAllSystems = f:
        nixpkgs.lib.genAttrs allSystems (system:
          f {
            pkgs = import nixpkgs {
              inherit system;
              overlays =
                [ rust-overlay.overlays.default self.overlays.default ];
            };
          });
    in {
      overlays.default = final: prev: {
        rustToolchain = final.rust-bin.stable.latest.default;
      };

      packages = forAllSystems ({ pkgs }: {
        default = let
          rustPlatform = pkgs.makeRustPlatform {
            cargo = pkgs.rustToolchain;
            rustc = pkgs.rustToolchain;
          };
        in rustPlatform.buildRustPackage {
          name = "statcat";
          src = ./.;
          cargoLock = { lockFile = ./Cargo.lock; };
        };
      });
    };
}