use std::{env, path::PathBuf};

fn main() {
    let proto_file = "./proto/rfkpos.proto";
    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
    tonic_build::configure().build_server(true)
                            .file_descriptor_set_path(out_dir.join("greeter_descriptor.bin"))
                            .out_dir("./src")
                            .compile(&[proto_file], &["."])
                            .unwrap_or_else(|e| panic!("protobuf compile error: {:?}", e));
    println!("cargo:rerun-if-changed={}", proto_file);
}