Add configuration cache support

src/main/groovy/nebula/plugin/info/InfoBrokerPlugin.groovy

@@ -17,16 +17,12 @@
 package nebula.plugin.info
 
 import groovy.transform.Canonical
-import org.gradle.BuildAdapter
-import org.gradle.BuildResult
 import org.gradle.api.GradleException
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 
-import java.util.concurrent.atomic.AtomicBoolean
-
 /**
  * Broker between Collectors and Reporters. Collectors report to this plugin about manifest values,
  * Reporters call this plugin to get values.
@@ -41,8 +37,8 @@ class InfoBrokerPlugin implements Plugin<Project> {
     private List<ManifestEntry> manifestEntries
     private Map<String, Collection<Closure>> watchers
     private Map<String, Object> reportEntries
-    private AtomicBoolean buildFinished = new AtomicBoolean(false)
     private Project project
+    private Map<String, String> test =[:]
 
     void apply(Project project) {
         this.manifestEntries = new ArrayList<ManifestEntry>()
@@ -51,14 +47,6 @@ class InfoBrokerPlugin implements Plugin<Project> {
         this.project = project
 
         InfoBrokerPluginExtension extension = project.getExtensions().create('infoBroker', InfoBrokerPluginExtension)
-
-        project.rootProject.gradle.addBuildListener(new BuildAdapter() {
-            @Override
-            void buildFinished(BuildResult buildResult) {
-                buildFinished.set(true)
-            }
-        })
-
         project.afterEvaluate {
             filterManifestEntries(extension)
         }
@@ -147,10 +135,6 @@ class InfoBrokerPlugin implements Plugin<Project> {
             throw new IllegalStateException('Build reports should only be used from the root project')
         }
 
-        if (!buildFinished.get()) {
-            throw new IllegalStateException('Cannot retrieve build reports before the build has finished')
-        }
-
         return Collections.unmodifiableMap(reportEntries)
     }
 

src/test/groovy/nebula/plugin/info/InfoBrokerPluginSpec.groovy

@@ -102,19 +102,6 @@ class InfoBrokerPluginSpec extends ProjectSpec {
         attrs3['MyKey'] == 'MyValue' // Still around
     }
 
-    def 'it throws an exception when build reports are requested prior to build end'() {
-        given:
-        project.apply plugin: InfoBrokerPlugin
-
-        when:
-        def infoBrokerPlugin = project.plugins.getPlugin(InfoBrokerPlugin)
-        infoBrokerPlugin.addReport('test', 'some value')
-        def reports = infoBrokerPlugin.buildReports()
-
-        then:
-        thrown IllegalStateException
-    }
-
     def 'can not add multiple values'() {
         when:
         InfoBrokerPlugin broker = project.plugins.apply(InfoBrokerPlugin)

src/test/groovy/nebula/plugin/info/InfoPluginConfigurationCacheSpec.groovy

@@ -0,0 +1,24 @@
+package nebula.plugin.info
+
+import nebula.test.IntegrationTestKitSpec
+
+class InfoPluginConfigurationCacheSpec extends IntegrationTestKitSpec {
+
+    def 'plugin applies with configuration cache'() {
+        buildFile << """
+        plugins {
+            id 'nebula.info'
+            id 'java'
+        }
+        """
+        writeHelloWorld('nebula.app')
+
+
+        when:
+        runTasks('--configuration-cache', 'compileJava', '-s')
+        def result = runTasks('--configuration-cache', 'compileJava', '-s')
+
+        then:
+        result.output.contains('Reusing configuration cache')
+    }
+}

src/test/groovy/nebula/plugin/info/dependency/DependenciesInfoPluginSpec.groovy

@@ -62,7 +62,6 @@ class DependenciesInfoPluginSpec extends PluginProjectSpec {
         configurations.compileClasspath.resolve()
 
         when:
-        brokerPlugin.buildFinished.set(true)
         def reports = brokerPlugin.buildReports()
 
         then: