Prost: transitive dependencies in the same package are duplicated about rules_rust HOT 1 OPEN

diff --git a/protoc-gen-prost/src/lib.rs b/protoc-gen-prost/src/lib.rs
index 2098949..d92ab0a 100644
--- a/protoc-gen-prost/src/lib.rs
+++ b/protoc-gen-prost/src/lib.rs
@@ -84,21 +84,24 @@ impl ModuleRequestSet {
         let requests = proto_file.into_iter().zip(raw_protos.proto_file).fold(
             BTreeMap::new(),
             |mut acc, (proto, raw)| {
-                let module = Module::from_protobuf_package_name(proto.package());
                 let proto_filename = proto.name();
-                let entry = acc
-                    .entry(module)
-                    .or_insert_with(|| ModuleRequest::new(proto.package().to_owned()));
-
-                if entry.output_filename().is_none() && input_protos.contains(proto_filename) {
-                    let filename = match proto.package() {
-                        "" => default_package_filename.to_owned(),
-                        package => format!("{package}.rs"),
-                    };
-                    entry.with_output_filename(filename);
+                if input_protos.contains(proto_filename) {
+                    let module = Module::from_protobuf_package_name(proto.package());
+                    let entry = acc
+                        .entry(module)
+                        .or_insert_with(|| ModuleRequest::new(proto.package().to_owned()));
+
+                    if entry.output_filename().is_none() {
+                        let filename = match proto.package() {
+                            "" => default_package_filename.to_owned(),
+                            package => format!("{package}.rs"),
+                        };
+                        entry.with_output_filename(filename);
+                    }
+
+                    entry.push_file_descriptor_proto(proto, raw);
                 }
 
-                entry.push_file_descriptor_proto(proto, raw);
                 acc
             },
         );