build: Skip empty protobuf files (tokio-rs#605)

sisudata · Aug 3, 2022 · 408f54e · 408f54e
1 parent a577931
commit 408f54e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/prost-build/src/lib.rs b/prost-build/src/lib.rs
@@ -903,6 +903,10 @@ impl Config {
 
         let modules = self.generate(requests)?;
         for (module, content) in &modules {
+            if content.is_empty() {
+                continue;
+            }
+
             let file_name = file_names
                 .get(module)
                 .expect("every module should have a filename");