Signal that plugin supports proto3 optionals for 2.27

It's a backport of stepancheg#626. Fixes: stepancheg#625 Signed-off-by: Tim Zhang <tim@hyper.sh>
Tim-Zhang · Aug 18, 2022 · cfd551c · cfd551c
1 parent a3dc276
commit cfd551c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/protobuf/src/compiler_plugin.rs b/protobuf/src/compiler_plugin.rs
@@ -38,6 +38,7 @@ where
         parameter: req.get_parameter(),
     });
     let mut resp = CodeGeneratorResponse::new();
+    resp.set_supported_features(CodeGeneratorResponse_Feature::FEATURE_PROTO3_OPTIONAL as u64);
     resp.set_file(
         result
             .iter()