{ lib, stdenv, rust-bin, makeRustPlatform, perl, pkg-config, cmake, src }:

let
  rustToolchain = rust-bin.fromRustupToolchainFile (src + "/vendor/libchat/rust_toolchain.toml");
  rPlatform = makeRustPlatform {
    cargo = rustToolchain;
    rustc  = rustToolchain;
  };
in rPlatform.buildRustPackage {
  pname = "rust-bundle";
  version = "0.1.0";
  inherit src;
  cargoRoot = "rust-bundle";

  cargoLock = {
    lockFile = src + "/rust-bundle/Cargo.lock";
    # Add outputHashes here for any git/non-registry deps that appear in
    # rust-bundle/Cargo.lock (run `nix build` once; it will report missing hashes).
    outputHashes = {};
  };

  nativeBuildInputs = [ perl pkg-config cmake ];
  doCheck = false;

  buildAndTestSubdir = "rust-bundle";

  installPhase = ''
    runHook preInstall
    mkdir -p $out/lib
    cp rust-bundle/target/*/release/lib_rust_bundle.a $out/lib/ 2>/dev/null || true
    cp rust-bundle/target/release/lib_rust_bundle.a   $out/lib/ 2>/dev/null || true
    runHook postInstall
  '';
}