ci fix

ethers-solc/src/artifacts/mod.rs

@@ -823,6 +823,12 @@ impl CompilerOutput {
             err.source_location.as_ref().map(|s| files.contains(s.file.as_str())).unwrap_or(true)
         });
     }
+
+    pub fn merge(&mut self, other: CompilerOutput) {
+        self.errors.extend(other.errors);
+        self.contracts.extend(other.contracts);
+        self.sources.extend(other.sources);
+    }
 }
 
 /// A wrapper helper type for the `Contracts` type alias

ethers-solc/src/compile/mod.rs

@@ -410,7 +410,12 @@ impl Solc {
     /// Convenience function for compiling all sources under the given path
     pub fn compile_source(&self, path: impl AsRef<Path>) -> Result<CompilerOutput> {
         let path = path.as_ref();
-        self.compile(&CompilerInput::new(path)?)
+        let mut res: CompilerOutput = Default::default();
+        for input in CompilerInput::new(path)? {
+            let output = self.compile(&input)?;
+            res.merge(output)
+        }
+        Ok(res)
     }
 
     /// Same as [`Self::compile()`], but only returns those files which are included in the