shell.nix

{ pkgs ? import <nixpkgs> {} }:

let
  # this code allows setting an version fix overlay for Rust
  # rustOverlay = import (builtins.fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz");
  # pkgs = import <nixpkgs> { overlays = [ rustOverlay ]; };
  # #rustVersion = "latest";
  # rustVersion = "1.77.2";
  # rust = pkgs.rust-bin.stable.${rustVersion}.default.override {
  #   extensions = [ "rust-analyzer" "rust-src" ];
  # };

  protobuf = pkgs.protobuf3_23;
in
pkgs.mkShell {
  # buildInputs = [ rust protobuf ] ++ (with pkgs; [
  buildInputs = [ protobuf ] ++ (with pkgs; [
    pkg-config
    openssl
    glibc
    clang
    libclang
    rustup
  ]);

  # PROJECT_ROOT = builtins.toString ./.;
  RUST_BACKTRACE = 1;
  RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
  LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
  PROTOC = "${protobuf}/bin/protoc";
  RUSTUP_TOOLCHAIN = "1.77.2";
}