lychee/flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };

  outputs =
    {
      nixpkgs,
      rust-overlay,
      ...
    }:
    let
      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" ];
      forAllSystems = nixpkgs.lib.genAttrs systems;
    in
    {
      devShells = forAllSystems (system: {
        default =
          let
            pkgs = import nixpkgs {
            inherit system;
            overlays = [ (import rust-overlay) ];
          };
            rustVersion = "latest"; # using a specific version: "1.62.0"
            rust = pkgs.rust-bin.stable.${rustVersion}.default.override {
              extensions = [
                "rust-src" # for rust-analyzer
                "rust-analyzer" # usable by IDEs like zed-editor
                "clippy"
              ];
            };
          in
          pkgs.mkShell {
            packages = [
              pkgs.pkg-config
              pkgs.openssl
              rust
            ];
          };
      });
    };
}