From 35a1973a466d7d0e3d4b91157bdc62c1cf1ac813 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Tue, 14 Feb 2023 22:18:00 +0200
Subject: [PATCH] fix: allow older versions of protobuf-compiler to work

Add --experimental_allow_proto3_optional protoc arg in build configs

fixes https://github.com/scsibug/nostr-rs-relay/issues/77
---
 build.rs                       |  8 +++++++-
 nauthz_server_example/build.rs | 10 ++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/build.rs b/build.rs
index 0a1101c..7845f76 100644
--- a/build.rs
+++ b/build.rs
@@ -1,4 +1,10 @@
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    tonic_build::compile_protos("proto/nauthz.proto")?;
+    tonic_build::configure()
+        .build_server(false)
+        .protoc_arg("--experimental_allow_proto3_optional")
+        .compile(
+            &["proto/nauthz.proto"],
+            &["proto"],
+        )?;
     Ok(())
 }
diff --git a/nauthz_server_example/build.rs b/nauthz_server_example/build.rs
index b5b1f01..ef72247 100644
--- a/nauthz_server_example/build.rs
+++ b/nauthz_server_example/build.rs
@@ -1,4 +1,10 @@
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    tonic_build::compile_protos("../proto/nauthz.proto")?;
+    tonic_build::configure()
+        .build_server(false)
+        .protoc_arg("--experimental_allow_proto3_optional")
+        .compile(
+            &["../proto/nauthz.proto"],
+            &["../proto"],
+        )?;
     Ok(())
-}
+}
\ No newline at end of file