Invalidate jar cache at the end of a Gradle build

#KT-12912 fixed

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/CleanUpBuildListener.kt

@@ -21,8 +21,10 @@ import org.gradle.BuildAdapter
 import org.gradle.BuildResult
 import org.gradle.api.Project
 import org.gradle.api.logging.Logging
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.com.intellij.openapi.util.io.ZipFileCache
 import org.jetbrains.kotlin.com.intellij.openapi.vfs.impl.ZipHandler
+import org.jetbrains.kotlin.com.intellij.openapi.vfs.impl.jar.CoreJarFileSystem
 
 
 private fun comparableVersionStr(version: String) =
@@ -108,6 +110,8 @@ class CompilerServicesCleanup() {
             cleanJarCache()
         }
 
+        (KotlinCoreEnvironment.applicationEnvironment?.jarFileSystem as? CoreJarFileSystem)?.clearHandlersCache()
+
         // making cleanup of static objects only on recognized versions of gradle and if version < 2.4
         // otherwise it may cause problems e.g. with JobScheduler on subsequent runs
         // this strategy may lead to memory leaks, but prevent crashes due to destroyed JobScheduler

libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt

@@ -246,4 +246,20 @@ class KotlinGradleIT: BaseGradleIT() {
             assertContains(":compileKotlin UP-TO-DATE")
         }
     }
+
+    @Test
+    fun testMoveClassToOtherModule() {
+        val project = Project("moveClassToOtherModule", GRADLE_VERSION)
+
+        project.build("build") {
+            assertSuccessful()
+            assertContains("Connected to daemon")
+        }
+
+        project.performModifications()
+        project.build("build") {
+            assertSuccessful()
+            assertContains("Connected to daemon")
+        }
+    }
 }

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/app/build.gradle

@@ -0,0 +1,5 @@
+apply plugin: 'kotlin'
+
+dependencies {
+    compile project(':lib')
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/app/src/main/java/foo/A.kt

@@ -0,0 +1,5 @@
+package foo
+
+class A {
+    fun f() {}
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/app/src/main/java/foo/useA.kt

@@ -0,0 +1,5 @@
+package foo
+
+fun useA(a: A) {
+    a.f()
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/app/src/main/java/foo/useA.kt.new

@@ -0,0 +1,7 @@
+package foo
+
+import bar.A
+
+fun useA(a: A) {
+    a.f()
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/build.gradle

@@ -0,0 +1,9 @@
+buildscript {
+    ext.kotlin_version = '1.1-SNAPSHOT'
+    repositories {
+        maven { url 'file://' + pathToKotlinPlugin }
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/lib/build.gradle

@@ -0,0 +1 @@
+apply plugin: 'kotlin'

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/lib/src/main/java/bar/A.kt.new

@@ -0,0 +1,5 @@
+package bar
+
+class A {
+    fun f() {}
+}

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/lib/src/main/java/bar/Dummy.kt

@@ -0,0 +1,3 @@
+package foo
+
+class Dummy

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/moveClassToOtherModule/settings.gradle

@@ -0,0 +1 @@
+include ':app', ':lib'