Fix Eclipse integration to pick up plugin generated descriptors

build.gradle

@@ -111,16 +111,6 @@ eclipse {
         downloadSources = true
         downloadJavadoc = true
 
-        // This is a weird requirement that I think is fixed when
-        // we upgrade to the latest Gradle and the plugin tools.
-        sourceSets {
-            main {
-                resources {
-                    srcDirs += "build/resources/main"
-                }
-            }
-        }
-
         // This makes the Gradle paths and Eclipse paths align so
         // that we have a working workspace from the start.
         file {
@@ -133,10 +123,15 @@ eclipse {
                         case ~'src/test/groovy':
                         entry.output = "build/classes/groovy/test"
                         break
-                        case ~"build/resources/main":
-                        entry.output = null
                     }
                 }
+                def src = new org.gradle.plugins.ide.eclipse.model.SourceFolder("build/resources/main", null)
+                src.getEntryAttributes().put("gradle_scope", "main")
+                src.getEntryAttributes().put("gradle_used_by_scope", "main,test")
+                classpath.entries << src
+                classpath.entries.unique(true) {
+                    (it instanceof org.gradle.plugins.ide.eclipse.model.ProjectDependency) ? it.path : it
+                }
             }
         }
     }