Filter non-kotlin code out of generated sources

WORKSPACE

@@ -131,8 +131,12 @@ maven_install(
     ],
 )
 
+android_sdk_repository(
+    name = "androidsdk",
+)
+
 http_archive(
     name = "rules_pkg",
     url = "https://github.com/bazelbuild/rules_pkg/releases/download/0.2.4/rules_pkg-0.2.4.tar.gz",
     sha256 = "4ba8f4ab0ff85f2484287ab06c0d871dcb31cc54d439457d28fd4ae14b18450a",
-)
+)

src/main/kotlin/io/bazel/kotlin/builder/tasks/BazelWorker.kt

@@ -82,13 +82,20 @@ class BazelWorker(
                             val exitCode = try {
                                 delegate.apply(loadArguments(request.argumentsList, true))
                             } catch (e: RuntimeException) {
-                                return if (wasInterrupted(e)) INTERUPTED_STATUS
+                                val innerExitCode = if (wasInterrupted(e)) INTERUPTED_STATUS
                                 else ERROR_STATUS.also {
                                     System.err.println(
                                         "ERROR: Worker threw uncaught exception with args: ${request.argumentsList.joinToString(" ")}"
                                     )
                                     e.printStackTrace(System.err)
                                 }
+                                WorkerProtocol.WorkResponse.newBuilder()
+                                        .setOutput(buffer.toString())
+                                        .setExitCode(innerExitCode)
+                                        .build()
+                                        .writeDelimitedTo(realStdOut)
+                                realStdOut.flush()
+                                return innerExitCode
                             }
 
                             WorkerProtocol.WorkResponse.newBuilder()

src/main/kotlin/io/bazel/kotlin/builder/tasks/jvm/KotlinJvmTaskExecutor.kt

@@ -209,7 +209,7 @@ class KotlinJvmTaskExecutor @Inject internal constructor(
     private fun JvmCompilationTask.expandWithGeneratedSources(): JvmCompilationTask =
         expandWithSources(
             File(directories.generatedSources).walkTopDown()
-                .filter { it.isFile }
+                .filter { it.isFile && IS_JVM_SOURCE_FILE.test(it.name) }
                 .map { it.path }
                 .iterator()
         )