Iter

build.gradle

@@ -314,7 +314,7 @@ subprojects {
         if (shadowed) {
           /*
            * Include the source of shadowed upstream projects so we don't
-           * to publish their javadoc.
+           * have to publish their javadoc.
            */
           project.evaluationDependsOn(upstreamProject.path)
           project.javadoc.source += upstreamProject.javadoc.source

buildSrc/src/main/groovy/org/elasticsearch/gradle/BuildPlugin.groovy

@@ -847,6 +847,10 @@ class BuildPlugin implements Plugin<Project> {
              * compilation. Unfortunately, by default it is not used for
              * *test* source compilation and isn't used in tests at all. This
              * change makes it available for test compilation.
+             *
+             * Note that this isn't going to work properly with qa projects
+             * but they have no business applying the shadow plugin in the
+             * firstplace.
              */
             SourceSet testSourceSet = project.sourceSets.findByName('test')
             if (testSourceSet != null) {

buildSrc/src/main/groovy/org/elasticsearch/gradle/plugin/PluginBuildPlugin.groovy

@@ -18,11 +18,13 @@
  */
 package org.elasticsearch.gradle.plugin
 
+import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
 import nebula.plugin.info.scm.ScmInfoPlugin
 import org.elasticsearch.gradle.BuildPlugin
 import org.elasticsearch.gradle.NoticeTask
 import org.elasticsearch.gradle.test.RestIntegTestTask
 import org.elasticsearch.gradle.test.RunTask
+import org.gradle.api.InvalidUserDataException
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
 import org.gradle.api.Task
@@ -46,6 +48,18 @@ public class PluginBuildPlugin extends BuildPlugin {
     @Override
     public void apply(Project project) {
         super.apply(project)
+        project.plugins.withType(ShadowPlugin).whenPluginAdded {
+            /*
+             * We've not tested these plugins together and we're fairly sure
+             * they aren't going to work properly as is *and* we're not really
+             * sure *why* you'd want to shade stuff in plugins. So we throw an
+             * exception here to make you come and read this comment. If you
+             * have a need for shadow while building plugins then know that you
+             * are probably going to have to fight with gradle for a while....
+             */
+            throw new InvalidUserDataException('elasticsearch.esplugin is not '
+                    + 'compatible with com.github.johnrengelman.shadow');
+        }
         configureDependencies(project)
         // this afterEvaluate must happen before the afterEvaluate added by integTest creation,
         // so that the file name resolution for installing the plugin will be setup