//! Compile proto files use std::{env, path::PathBuf}; fn main() -> Result<(), Box> { let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap()); tonic_build::configure() .btree_map(["."]) .protoc_arg("--experimental_allow_proto3_optional") .type_attribute(".", "#[derive(serde::Deserialize, serde::Serialize)]") .file_descriptor_set_path(out_dir.join("scanner_descriptor.bin")) .compile(&["proto/scanner.proto"], &[""])?; Ok(()) }