neon/storage_broker/build.rs

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Generate rust code from .proto protobuf.
    //
    // Note: we previously tried to use deterministic location at proto/ for
    // easy location, but apparently interference with cachepot sometimes fails
    // the build then. Anyway, per cargo docs build script shouldn't output to
    // anywhere but $OUT_DIR.
    let protos = [
        "proto/broker.proto",
        "proto/wal_advertisement.proto",
    ];
    for proto in protos {
        tonic_build::compile_protos(proto)
            .unwrap_or_else(|e| panic!("failed to compile protos {:?}", e));
    }
    Ok(())
}