From f4ada5289119f36c0aede9ea7bf9a8ddb15e39b2 Mon Sep 17 00:00:00 2001
From: Sterling Greene <sterling@gradle.com>
Date: Wed, 5 Sep 2018 15:15:57 -0400
Subject: [PATCH] Reproduce failure in
 https://github.com/gradle/gradle/issues/6558

---
 .../scala/ScalaPluginIntegrationTest.groovy   | 47 ++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

diff --git a/subprojects/scala/src/integTest/groovy/org/gradle/scala/ScalaPluginIntegrationTest.groovy b/subprojects/scala/src/integTest/groovy/org/gradle/scala/ScalaPluginIntegrationTest.groovy
index 05b5813a8458..898f00937c4e 100644
--- a/subprojects/scala/src/integTest/groovy/org/gradle/scala/ScalaPluginIntegrationTest.groovy
+++ b/subprojects/scala/src/integTest/groovy/org/gradle/scala/ScalaPluginIntegrationTest.groovy
@@ -16,6 +16,7 @@
 package org.gradle.scala
 
 import org.gradle.integtests.fixtures.AbstractIntegrationSpec
+import spock.lang.Ignore
 import spock.lang.Issue
 
 class ScalaPluginIntegrationTest extends AbstractIntegrationSpec {
@@ -30,4 +31,48 @@ task someTask
         expect:
         succeeds("someTask")
     }
-}
\ No newline at end of file
+
+    @Ignore("this will sometimes fail/sometimes pass")
+    @Issue("https://github.com/gradle/gradle/issues/6558")
+    def "can build in parallel with lazy tasks"() {
+        settingsFile << """
+            include 'a', 'b', 'c', 'd'
+        """
+        buildFile << """
+            allprojects {
+                repositories {
+                    ${jcenterRepository()}
+                }
+                plugins.withId("scala") {
+                    dependencies {
+                        compile("org.scala-lang:scala-library:2.12.6")
+                    }
+                    tasks.withType(ScalaCompile).configureEach {
+                        
+                    }
+                }
+            }
+        """
+        ['a', 'b', 'c', 'd'].each { project ->
+            file("${project}/build.gradle") << """
+                plugins {
+                    id 'scala'
+                }
+            """
+            file("${project}/src/main/scala/${project}/${project.toUpperCase()}.scala") << """
+                package ${project}
+                trait ${project.toUpperCase()}
+            """
+        }
+        file("a/build.gradle") << """
+            dependencies {
+              compile(project(":b"))
+              compile(project(":c"))
+              compile(project(":d"))
+            }
+        """
+
+        expect:
+        succeeds(":a:classes", "--parallel")
+    }
+}