KT-33908 Make Kotlin Gradle plugin compatible with configuration cache

#KT-33908 Fixed

idea/testData/perfTest/native/_common/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.6-20200603220033+0000-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/AbstractKotlinAndroidGradleTests.kt

@@ -726,7 +726,7 @@ fun getSomething() = 10
 
         project.build("assemble", options = options) {
             assertFailed()
-            assertContains("Class 'User' is not abstract and does not implement abstract member public abstract fun writeToParcel")
+            assertContainsRegex("Class 'User' is not abstract and does not implement abstract member public abstract fun (writeToParcel|describeContents)".toRegex())
         }
 
         File(project.projectDir, "app/build.gradle").modify { it.replace("[\"views\"]", "[\"parcelize\", \"views\"]") }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/BaseGradleIT.kt

@@ -13,7 +13,6 @@ import org.jetbrains.kotlin.gradle.model.ModelContainer
 import org.jetbrains.kotlin.gradle.model.ModelFetcherBuildAction
 import org.jetbrains.kotlin.gradle.plugin.KotlinJsCompilerType
 import org.jetbrains.kotlin.gradle.util.*
-import org.jetbrains.kotlin.test.util.trimTrailingWhitespaces
 import org.junit.After
 import org.junit.AfterClass
 import org.junit.Assert
@@ -22,6 +21,8 @@ import java.io.File
 import java.util.regex.Pattern
 import kotlin.test.*
 
+import org.jetbrains.kotlin.test.util.trimTrailingWhitespaces
+
 val SYSTEM_LINE_SEPARATOR: String = System.getProperty("line.separator")
 
 abstract class BaseGradleIT {
@@ -205,9 +206,15 @@ abstract class BaseGradleIT {
         val withBuildCache: Boolean = false,
         val kaptOptions: KaptOptions? = null,
         val parallelTasksInProject: Boolean? = null,
-        val jsCompilerType: KotlinJsCompilerType? = null
+        val jsCompilerType: KotlinJsCompilerType? = null,
+        val configurationCache: Boolean = false,
+        val configurationCacheProblems: ConfigurationCacheProblems = ConfigurationCacheProblems.FAIL
     )
 
+    enum class ConfigurationCacheProblems {
+        FAIL, WARN
+    }
+
     data class KaptOptions(
         val verbose: Boolean,
         val useWorkers: Boolean,
@@ -707,9 +714,9 @@ Finished executing task ':$taskName'|
         val xmlString = buildString {
             appendln("<?xml version=\"1.0\" encoding=\"UTF-8\"?>")
             appendln("<results>")
-            files.forEach {
+            files.forEach { file ->
                 appendln(
-                    it.readText()
+                    file.readText()
                         .trimTrailingWhitespaces()
                         .replace(projectDir.absolutePath, "/\$PROJECT_DIR$")
                         .replace(projectDir.name, "\$PROJECT_NAME$")
@@ -801,6 +808,9 @@ Finished executing task ':$taskName'|
                 add("-Pkotlin.js.compiler=$it")
             }
 
+            add("-Dorg.gradle.unsafe.configuration-cache=${options.configurationCache}")
+            add("-Dorg.gradle.unsafe.configuration-cache-problems=${options.configurationCacheProblems.name.toLowerCase()}")
+
             // Workaround: override a console type set in the user machine gradle.properties (since Gradle 4.3):
             add("--console=plain")
             addAll(options.freeCommandLineArgs)

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/ConfigurationCacheForAndroidIT.kt

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle
+
+import org.jetbrains.kotlin.gradle.util.AGPVersion
+import org.jetbrains.kotlin.test.KotlinTestUtils
+import org.junit.Test
+
+class ConfigurationCacheForAndroidIT : AbstractConfigurationCacheIT() {
+    private val androidGradlePluginVersion: AGPVersion
+        get() = AGPVersion.v4_2_0
+
+    override fun defaultBuildOptions() =
+        super.defaultBuildOptions().copy(
+            androidHome = KotlinTestUtils.findAndroidSdk(),
+            androidGradlePluginVersion = androidGradlePluginVersion,
+            configurationCache = true,
+            /* AGP causes a configuration cache problem:
+                 - plugin 'com.android.internal.application': registration of listener on 'TaskExecutionGraph.addTaskExecutionListener' is unsupported
+
+               which causes tests to fail when configuration-cache-problems=fail is used.
+               However, everything works fine with WARN level reporting.
+               TODO: switch to FAIL when AGP no longer causes the cache problem
+             */
+            configurationCacheProblems = ConfigurationCacheProblems.WARN
+        )
+
+    @Test
+    fun testAndroidKaptProject() = with(Project("android-dagger", directoryPrefix = "kapt2")) {
+        applyAndroid40Alpha4KotlinVersionWorkaround()
+        projectDir.resolve("gradle.properties").appendText("\nkapt.incremental.apt=false")
+        testConfigurationCacheOf(":app:compileDebugKotlin", ":app:kaptDebugKotlin", ":app:kaptGenerateStubsDebugKotlin")
+    }
+
+    @Test
+    fun testKotlinAndroidProject() = with(Project("AndroidProject")) {
+        applyAndroid40Alpha4KotlinVersionWorkaround()
+        testConfigurationCacheOf(":Lib:compileFlavor1DebugKotlin", ":Android:compileFlavor1DebugKotlin")
+    }
+
+    /**
+     * Android Gradle plugin 4.0-alpha4 depends on the EAP versions of some o.j.k modules.
+     * Force the current Kotlin version, so the EAP versions are not queried from the
+     * test project's repositories, where there's no 'kotlin-eap' repo.
+     * TODO remove this workaround once an Android Gradle plugin version is used that depends on the stable Kotlin version
+     */
+    private fun Project.applyAndroid40Alpha4KotlinVersionWorkaround() {
+        setupWorkingDir()
+
+        val resolutionStrategyHack = """
+            configurations.all { 
+                resolutionStrategy.dependencySubstitution.all { dependency ->
+                    def requested = dependency.requested
+                    if (requested instanceof ModuleComponentSelector && requested.group == 'org.jetbrains.kotlin') {
+                        dependency.useTarget requested.group + ':' + requested.module + ':' + '${defaultBuildOptions().kotlinVersion}'
+                    }
+                }
+            }
+        """.trimIndent()
+
+        gradleBuildScript().appendText(
+            "\n" + """
+            buildscript {
+                $resolutionStrategyHack
+            }
+            $resolutionStrategyHack
+        """.trimIndent()
+        )
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/ConfigurationCacheIT.kt

@@ -0,0 +1,118 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle
+
+import org.jetbrains.kotlin.gradle.util.findFileByName
+import org.junit.Test
+import java.io.File
+import java.net.URI
+import java.util.Arrays.asList
+import kotlin.test.fail
+
+class ConfigurationCacheIT : AbstractConfigurationCacheIT() {
+    @Test
+    fun testSimpleKotlinJvmProject() = with(Project("kotlinProject")) {
+        testConfigurationCacheOf(":compileKotlin")
+    }
+
+    @Test
+    fun testIncrementalKaptProject() = with(Project("kaptIncrementalCompilationProject")) {
+        setupIncrementalAptProject("AGGREGATING")
+
+        testConfigurationCacheOf(
+            ":compileKotlin",
+            ":kaptKotlin",
+            buildOptions = defaultBuildOptions().copy(
+                incremental = true,
+                kaptOptions = KaptOptions(
+                    verbose = true,
+                    useWorkers = true,
+                    incrementalKapt = true,
+                    includeCompileClasspath = false
+                )
+            )
+        )
+    }
+
+    @Test
+    fun testInstantExecution() = with(Project("instantExecution")) {
+        testConfigurationCacheOf("assemble", executedTaskNames = asList(":lib-project:compileKotlin"))
+    }
+
+    @Test
+    fun testInstantExecutionForJs() = with(Project("instantExecutionToJs")) {
+        testConfigurationCacheOf("assemble", executedTaskNames = asList(":compileKotlin2Js"))
+    }
+}
+
+abstract class AbstractConfigurationCacheIT : BaseGradleIT() {
+    override fun defaultBuildOptions() =
+        super.defaultBuildOptions().copy(configurationCache = true)
+
+    override val defaultGradleVersion: GradleVersionRequired = GradleVersionRequired.AtLeast("6.6-rc-3")
+
+    protected fun Project.testConfigurationCacheOf(
+        vararg taskNames: String,
+        executedTaskNames: List<String>? = null,
+        buildOptions: BuildOptions = defaultBuildOptions()
+    ) {
+        // First, run a build that serializes the tasks state for instant execution in further builds
+
+        val executedTask: List<String> = executedTaskNames ?: taskNames.toList()
+
+        build(*taskNames, options = buildOptions) {
+            assertSuccessful()
+            assertTasksExecuted(executedTask)
+            assertContains("Calculating task graph as no configuration cache is available for tasks: ${taskNames.joinToString(separator = " ")}")
+            checkInstantExecutionSucceeded()
+        }
+
+        build("clean") {
+            assertSuccessful()
+        }
+
+        // Then run a build where tasks states are deserialized to check that they work correctly in this mode
+        build(*taskNames, options = buildOptions) {
+            assertSuccessful()
+            assertTasksExecuted(executedTask)
+            assertContains("Reusing configuration cache.")
+        }
+
+        build(*taskNames, options = buildOptions) {
+            assertSuccessful()
+            assertTasksUpToDate(executedTask)
+        }
+    }
+
+    private fun Project.checkInstantExecutionSucceeded() {
+        instantExecutionReportFile()?.let { htmlReportFile ->
+            fail("Instant execution problems were found, check ${htmlReportFile.asClickableFileUrl()} for details.")
+        }
+    }
+
+    /**
+     * Copies all files from the directory containing the given [htmlReportFile] to a
+     * fresh temp dir and returns a reference to the copied [htmlReportFile] in the new
+     * directory.
+     */
+    private fun copyReportToTempDir(htmlReportFile: File): File =
+        createTempDir().let { tempDir ->
+            htmlReportFile.parentFile.copyRecursively(tempDir)
+            tempDir.resolve(htmlReportFile.name)
+        }
+
+    /**
+     * The instant execution report file, if exists, indicates problems were
+     * found while caching the task graph.
+     */
+    private fun Project.instantExecutionReportFile() = projectDir
+        .resolve("configuration-cache")
+        .findFileByName("configuration-cache-report.html")
+        ?.let { copyReportToTempDir(it) }
+
+    private fun File.asClickableFileUrl(): String =
+        URI("file", "", toURI().path, null, null).toString()
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/InstantExecutionIT.kt

@@ -1,149 +0,0 @@
-/*
- * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.gradle
-
-import org.jetbrains.kotlin.gradle.util.AGPVersion
-import org.jetbrains.kotlin.gradle.util.findFileByName
-import org.jetbrains.kotlin.test.KotlinTestUtils
-import org.junit.Test
-import java.io.File
-import java.net.URI
-import kotlin.test.fail
-
-class InstantExecutionIT : BaseGradleIT() {
-    private val androidGradlePluginVersion: AGPVersion
-        get() = AGPVersion.v4_0_ALPHA_8
-
-    override fun defaultBuildOptions() =
-        super.defaultBuildOptions().copy(
-            androidHome = KotlinTestUtils.findAndroidSdk(),
-            androidGradlePluginVersion = androidGradlePluginVersion
-        )
-
-    private val minimumGradleVersion = GradleVersionRequired.AtLeast("6.1-rc-3")
-
-    @Test
-    fun testSimpleKotlinJvmProject() = with(Project("kotlinProject", minimumGradleVersion)) {
-        testInstantExecutionOf(":compileKotlin")
-    }
-
-    @Test
-    fun testSimpleKotlinAndroidProject() = with(Project("android-dagger", minimumGradleVersion, "kapt2")) {
-        applyAndroid40Alpha4KotlinVersionWorkaround()
-        projectDir.resolve("gradle.properties").appendText("\nkapt.incremental.apt=false")
-        testInstantExecutionOf(":app:compileDebugKotlin", ":app:kaptDebugKotlin", ":app:kaptGenerateStubsDebugKotlin")
-    }
-
-    @Test
-    fun testIncrementalKaptProject() = with(getIncrementalKaptProject()) {
-        testInstantExecutionOf(
-            ":compileKotlin",
-            ":kaptKotlin",
-            buildOptions = defaultBuildOptions().copy(
-                incremental = true,
-                kaptOptions = KaptOptions(
-                    verbose = true,
-                    useWorkers = true,
-                    incrementalKapt = true,
-                    includeCompileClasspath = false
-                )
-            )
-        )
-    }
-
-    private fun getIncrementalKaptProject() =
-        Project("kaptIncrementalCompilationProject", minimumGradleVersion).apply {
-            setupIncrementalAptProject("AGGREGATING")
-        }
-
-    private fun Project.testInstantExecutionOf(vararg taskNames: String, buildOptions: BuildOptions = defaultBuildOptions()) {
-        // First, run a build that serializes the tasks state for instant execution in further builds
-        instantExecutionOf(*taskNames, buildOptions = buildOptions) {
-            assertSuccessful()
-            assertTasksExecuted(*taskNames)
-            checkInstantExecutionSucceeded()
-        }
-
-        build("clean") {
-            assertSuccessful()
-        }
-
-        // Then run a build where tasks states are deserialized to check that they work correctly in this mode
-        instantExecutionOf(*taskNames, buildOptions = buildOptions) {
-            assertSuccessful()
-            assertTasksExecuted(*taskNames)
-        }
-
-        instantExecutionOf(*taskNames, buildOptions = buildOptions) {
-            assertSuccessful()
-            assertTasksUpToDate(*taskNames)
-        }
-    }
-
-    private fun Project.checkInstantExecutionSucceeded() {
-        instantExecutionReportFile()?.let { htmlReportFile ->
-            fail("Instant execution problems were found, check ${htmlReportFile.asClickableFileUrl()} for details.")
-        }
-    }
-
-    private fun Project.instantExecutionOf(
-        vararg tasks: String,
-        buildOptions: BuildOptions = defaultBuildOptions(),
-        check: CompiledProject.() -> Unit
-    ) =
-        build("-Dorg.gradle.unsafe.instant-execution=true", *tasks, options = buildOptions, check = check)
-
-    /**
-     * Copies all files from the directory containing the given [htmlReportFile] to a
-     * fresh temp dir and returns a reference to the copied [htmlReportFile] in the new
-     * directory.
-     */
-    private fun copyReportToTempDir(htmlReportFile: File): File =
-        createTempDir().let { tempDir ->
-            htmlReportFile.parentFile.copyRecursively(tempDir)
-            tempDir.resolve(htmlReportFile.name)
-        }
-
-    /**
-     * The instant execution report file, if exists, indicates problems were
-     * found while caching the task graph.
-     */
-    private fun Project.instantExecutionReportFile() = projectDir
-        .resolve(".instant-execution-state")
-        .findFileByName("instant-execution-report.html")
-        ?.let { copyReportToTempDir(it) }
-
-    private fun File.asClickableFileUrl(): String =
-        URI("file", "", toURI().path, null, null).toString()
-
-    /**
-     * Android Gradle plugin 4.0-alpha4 depends on the EAP versions of some o.j.k modules.
-     * Force the current Kotlin version, so the EAP versions are not queried from the
-     * test project's repositories, where there's no 'kotlin-eap' repo.
-     * TODO remove this workaround once an Android Gradle plugin version is used that depends on the stable Kotlin version
-     */
-    private fun Project.applyAndroid40Alpha4KotlinVersionWorkaround() {
-        setupWorkingDir()
-
-        val resolutionStrategyHack = """
-            configurations.all { 
-                resolutionStrategy.dependencySubstitution.all { dependency ->
-                    def requested = dependency.requested
-                    if (requested instanceof ModuleComponentSelector && requested.group == 'org.jetbrains.kotlin') {
-                        dependency.useTarget requested.group + ':' + requested.module + ':' + '${defaultBuildOptions().kotlinVersion}'
-                    }
-                }
-            }
-        """.trimIndent()
-
-        gradleBuildScript().appendText("\n" + """
-            buildscript {
-                $resolutionStrategyHack
-            }
-            $resolutionStrategyHack
-        """.trimIndent())
-    }
-}

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

@@ -365,7 +365,7 @@ class KotlinGradleIT : BaseGradleIT() {
     }
 
     @Test
-    fun testDowngradeTo106() {
+    fun testDowngradePluginVersion() {
         val project = Project("kotlinProject")
         val options = defaultBuildOptions().copy(incremental = true, withDaemon = false)
 
@@ -373,7 +373,7 @@ class KotlinGradleIT : BaseGradleIT() {
             assertSuccessful()
         }
 
-        project.build("clean", "assemble", options = options.copy(kotlinVersion = "1.0.6")) {
+        project.build("clean", "assemble", options = options.copy(kotlinVersion = "1.3.41")) {
             assertSuccessful()
         }
     }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/UpToDateIT.kt

@@ -78,7 +78,9 @@ class UpToDateIT : BaseGradleIT() {
         val originalPaths get() = originalCompilerCp.map { it.replace("\\", "/") }.joinToString(", ") { "'$it'" }
 
         override fun initProject(project: Project) = with(project) {
-            buildGradle.appendText("\nprintln 'compiler_cp=' + compileKotlin.getComputedCompilerClasspath\$kotlin_gradle_plugin()")
+            buildGradle.appendText(
+                "\nafterEvaluate { println 'compiler_cp=' + compileKotlin.getComputedCompilerClasspath\$kotlin_gradle_plugin() }"
+            )
             build("clean") { originalCompilerCp = "compiler_cp=\\[(.*)]".toRegex().find(output)!!.groupValues[1].split(", ") }
             buildGradle.appendText("""${'\n'}
                 // Add Kapt to the project to test its input checks as well:

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/util/AGPVersion.kt

@@ -24,6 +24,7 @@ class AGPVersion private constructor(private val versionNumber: VersionNumber) {
         val v3_3_2 = fromString("3.3.2")
         val v3_4_1 = fromString("3.4.1")
         val v3_6_0 = fromString("3.6.0")
-        val v4_0_ALPHA_8 = fromString("4.0.0-alpha08")
+        val v4_1_0 = fromString("4.1.0-beta02")
+        val v4_2_0 = fromString("4.2.0-alpha07")
     }
 }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecution/build.gradle

@@ -0,0 +1,16 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+subprojects {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecution/lib-project/build.gradle

@@ -0,0 +1,5 @@
+apply plugin: 'kotlin'
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecution/lib-project/src/main/kotlin/libproject/Util.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package libproject
+
+class Util {
+    val projectName: String = "lib-project"
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecution/main-project/src/build.gradle

@@ -0,0 +1,6 @@
+apply plugin: 'kotlin'
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    compile project(':lib-project')
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecution/main-project/src/main/kotlin/Main.kt

@@ -0,0 +1,10 @@
+import libProject.Util
+
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+fun main(args: Array<String>) {
+    println(Util.projectName)
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecution/settings.gradle

@@ -0,0 +1 @@
+include ':main-project', ':lib-project'

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecutionToJs/build.gradle

@@ -0,0 +1,37 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+apply plugin: 'kotlin2js'
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlin_version"
+    testCompile "org.jetbrains.kotlin:kotlin-test-js:$kotlin_version"
+}
+
+task jarSources(type: Jar) {
+    from sourceSets.main.allSource
+            classifier = 'source'
+}
+artifacts {
+    compile jarSources
+}
+
+compileKotlin2Js.kotlinOptions.outputFile = "${buildDir}/kotlin2js/main/module.js"
+compileTestKotlin2Js.kotlinOptions.outputFile = "${buildDir}/kotlin2js/test/module-tests.js"
+
+if (project.findProperty("kotlin.js.useIrBackend")?.toBoolean() == true) {
+    compileKotlin2Js.kotlinOptions.freeCompilerArgs += ["-Xir-produce-klib-dir", "-Xir-only"]
+    compileTestKotlin2Js.kotlinOptions.freeCompilerArgs += ["-Xir-produce-js"]
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecutionToJs/src/main/kotlin/project/Main.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package project
+
+class Main {
+    fun value(): String = "instant"
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/instantExecutionToJs/src/test/kotlin/MainTest.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+import project.Main
+import kotlin.test.*
+
+class MainTest {
+    @Test
+    fun mySimpleTest() {
+        assertEquals("instant", Main().value())
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kt-35942-android/lib1/build.gradle

@@ -2,12 +2,12 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-  compileSdkVersion 29
-  buildToolsVersion "29.0.2"
+  compileSdkVersion 26
+  buildToolsVersion "28.0.3"
 
   defaultConfig {
-    minSdkVersion 21
-    targetSdkVersion 29
+    minSdkVersion 26
+    targetSdkVersion 26
   }
 }
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kt-35942-android/lib2/build.gradle

@@ -2,12 +2,12 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "29.0.2"
+    compileSdkVersion 26
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion 29
+        minSdkVersion 26
+        targetSdkVersion 26
     }
 }
 

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

@@ -5,17 +5,18 @@
 
 package org.jetbrains.kotlin.compilerRunner
 
-import org.gradle.api.Task
 import org.gradle.workers.IsolationMode
 import org.gradle.workers.WorkerExecutor
 import org.jetbrains.kotlin.gradle.logging.kotlinDebug
+import org.jetbrains.kotlin.gradle.tasks.GradleCompileTaskProvider
 
 internal class GradleCompilerRunnerWithWorkers(
-    task: Task,
+    taskProvider: GradleCompileTaskProvider,
     private val workersExecutor: WorkerExecutor
-) : GradleCompilerRunner(task) {
+) : GradleCompilerRunner(taskProvider) {
+
     override fun runCompilerAsync(workArgs: GradleKotlinCompilerWorkArguments) {
-        task.logger.kotlinDebug { "Starting Kotlin compiler work from task '${task.path}'" }
+        loggerProvider.kotlinDebug { "Starting Kotlin compiler work from task '${pathProvider}'" }
         // todo: write tests with Workers enabled;
         workersExecutor.submit(GradleKotlinCompilerWork::class.java) { config ->
             config.isolationMode = IsolationMode.NONE

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

@@ -6,8 +6,8 @@
 package org.jetbrains.kotlin.compilerRunner
 
 import org.gradle.api.Project
-import org.gradle.api.Task
 import org.gradle.api.invocation.Gradle
+import org.gradle.api.logging.Logger
 import org.gradle.api.plugins.JavaPluginConvention
 import org.gradle.api.tasks.bundling.AbstractArchiveTask
 import org.gradle.jvm.tasks.Jar
@@ -24,11 +24,12 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinWithJavaTarget
 import org.jetbrains.kotlin.gradle.plugin.mpp.isMain
 import org.jetbrains.kotlin.gradle.plugin.mpp.ownModuleName
 import org.jetbrains.kotlin.gradle.plugin.statistics.KotlinBuildStatsService
+import org.jetbrains.kotlin.gradle.tasks.GradleCompileTaskProvider
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompileTaskData
 import org.jetbrains.kotlin.gradle.tasks.locateTask
 import org.jetbrains.kotlin.gradle.utils.archivePathCompatible
 import org.jetbrains.kotlin.gradle.utils.newTmpFile
-import org.jetbrains.kotlin.gradle.utils.relativeToRoot
+import org.jetbrains.kotlin.gradle.utils.relativeOrCanonical
 import org.jetbrains.kotlin.incremental.IncrementalModuleEntry
 import org.jetbrains.kotlin.incremental.IncrementalModuleInfo
 import org.jetbrains.kotlin.statistics.metrics.BooleanMetrics
@@ -50,9 +51,21 @@ const val COULD_NOT_CONNECT_TO_DAEMON_MESSAGE = "Could not connect to Kotlin com
 internal fun kotlinCompilerExecutionStrategy(): String =
     System.getProperty(KOTLIN_COMPILER_EXECUTION_STRATEGY_PROPERTY) ?: DAEMON_EXECUTION_STRATEGY
 
-internal open class GradleCompilerRunner(protected val task: Task) {
-    protected val project: Project
-        get() = task.project
+/*
+Using real taskProvider cause "field 'taskProvider' from type 'org.jetbrains.kotlin.compilerRunner.GradleCompilerRunner':
+value 'fixed(class org.jetbrains.kotlin.gradle.tasks.KotlinCompile_Decorated, task ':compileKotlin')'
+is not assignable to 'org.gradle.api.tasks.TaskProvider'" exception
+ */
+internal open class GradleCompilerRunner(protected val taskProvider: GradleCompileTaskProvider) {
+
+    internal val pathProvider = taskProvider.path
+    internal val loggerProvider = taskProvider.logger
+    internal val buildDirProvider = taskProvider.buildDir
+    internal val projectDirProvider = taskProvider.projectDir
+    internal val projectRootDirProvider = taskProvider.rootDir
+    internal val sessionDirProvider = taskProvider.sessionsDir
+    internal val projectNameProvider = taskProvider.projectName
+    internal val incrementalModuleInfoProvider = taskProvider.buildModulesInfo
 
     /**
      * Compiler might be executed asynchronously. Do not do anything requiring end of compilation after this function is called.
@@ -107,7 +120,7 @@ internal open class GradleCompilerRunner(protected val task: Task) {
         environment: GradleCompilerEnvironment
     ) {
         if (compilerArgs.version) {
-            task.logger.lifecycle(
+            loggerProvider.lifecycle(
                 "Kotlin version " + loadCompilerVersion(environment.compilerClasspath) +
                         " (JRE " + System.getProperty("java.runtime.version") + ")"
             )
@@ -128,9 +141,16 @@ internal open class GradleCompilerRunner(protected val task: Task) {
         }
 
         val incrementalCompilationEnvironment = environment.incrementalCompilationEnvironment
-        val modulesInfo = incrementalCompilationEnvironment?.let { buildModulesInfo(project.gradle) }
+        val modulesInfo = incrementalCompilationEnvironment?.let { incrementalModuleInfoProvider }
         val workArgs = GradleKotlinCompilerWorkArguments(
-            projectFiles = ProjectFilesForCompilation(project),
+            projectFiles = ProjectFilesForCompilation(
+                loggerProvider,
+                projectDirProvider,
+                buildDirProvider,
+                projectNameProvider,
+                projectRootDirProvider,
+                sessionDirProvider
+            ),
             compilerFullClasspath = environment.compilerFullClasspath,
             compilerClassName = compilerClassName,
             compilerArgs = argsArray,
@@ -138,12 +158,12 @@ internal open class GradleCompilerRunner(protected val task: Task) {
             incrementalCompilationEnvironment = incrementalCompilationEnvironment,
             incrementalModuleInfo = modulesInfo,
             outputFiles = environment.outputFiles.toList(),
-            taskPath = task.path,
+            taskPath = pathProvider,
             buildReportMode = environment.buildReportMode,
             kotlinScriptExtensions = environment.kotlinScriptExtensions,
             allWarningsAsErrors = compilerArgs.allWarningsAsErrors
         )
-        TaskLoggers.put(task.path, task.logger)
+        TaskLoggers.put(pathProvider, loggerProvider)
         runCompilerAsync(workArgs)
     }
 
@@ -221,7 +241,7 @@ internal open class GradleCompilerRunner(protected val task: Task) {
                         } else {
                             if (target is KotlinWithJavaTarget<*>) {
                                 val jar = project.tasks.getByName(target.artifactsTaskName) as Jar
-                                jarToClassListFile[jar.archivePathCompatible.canonicalFile] = target.defaultArtifactClassesListFile
+                                jarToClassListFile[jar.archivePathCompatible.canonicalFile] = target.defaultArtifactClassesListFile.get()
                             }
                         }
                     }
@@ -261,11 +281,9 @@ internal open class GradleCompilerRunner(protected val task: Task) {
         private var clientIsAliveFlagFile: File? = null
 
         @Synchronized
-        internal fun getOrCreateClientFlagFile(project: Project): File {
-            val log = project.logger
+        internal fun getOrCreateClientFlagFile(log: Logger, projectName: String): File {
             if (clientIsAliveFlagFile == null || !clientIsAliveFlagFile!!.exists()) {
-                val projectName = project.rootProject.name.normalizeForFlagFile()
-                clientIsAliveFlagFile = newTmpFile(prefix = "kotlin-compiler-in-$projectName-", suffix = ".alive")
+                clientIsAliveFlagFile = newTmpFile(prefix = "kotlin-compiler-in-${projectName}-", suffix = ".alive")
                 log.kotlinDebug { CREATED_CLIENT_FILE_PREFIX + clientIsAliveFlagFile!!.canonicalPath }
             } else {
                 log.kotlinDebug { EXISTING_CLIENT_FILE_PREFIX + clientIsAliveFlagFile!!.canonicalPath }
@@ -274,7 +292,7 @@ internal open class GradleCompilerRunner(protected val task: Task) {
             return clientIsAliveFlagFile!!
         }
 
-        private fun String.normalizeForFlagFile(): String {
+        internal fun String.normalizeForFlagFile(): String {
             val validChars = ('a'..'z') + ('0'..'9') + "-_"
             return filter { it in validChars }
         }
@@ -285,14 +303,13 @@ internal open class GradleCompilerRunner(protected val task: Task) {
 
         // session files are deleted at org.jetbrains.kotlin.gradle.plugin.KotlinGradleBuildServices.buildFinished
         @Synchronized
-        internal fun getOrCreateSessionFlagFile(project: Project): File {
-            val log = project.logger
+        internal fun getOrCreateSessionFlagFile(log: Logger, sessionsDir: File, projectRootDir: File): File {
             if (sessionFlagFile == null || !sessionFlagFile!!.exists()) {
-                val sessionFilesDir = sessionsDir(project).apply { mkdirs() }
+                val sessionFilesDir = sessionsDir.apply { mkdirs() }
                 sessionFlagFile = newTmpFile(prefix = "kotlin-compiler-", suffix = ".salive", directory = sessionFilesDir)
-                log.kotlinDebug { CREATED_SESSION_FILE_PREFIX + sessionFlagFile!!.relativeToRoot(project) }
+                log.kotlinDebug { CREATED_SESSION_FILE_PREFIX + sessionFlagFile!!.relativeOrCanonical(projectRootDir) }
             } else {
-                log.kotlinDebug { EXISTING_SESSION_FILE_PREFIX + sessionFlagFile!!.relativeToRoot(project) }
+                log.kotlinDebug { EXISTING_SESSION_FILE_PREFIX + sessionFlagFile!!.relativeOrCanonical(projectRootDir) }
             }
 
             return sessionFlagFile!!

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

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.compilerRunner
 
 import org.gradle.api.Project
+import org.gradle.api.logging.Logger
 import org.jetbrains.kotlin.cli.common.ExitCode
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.config.Services
@@ -35,11 +36,12 @@ internal class ProjectFilesForCompilation(
     val sessionFlagFile: File,
     val buildDir: File
 ) : Serializable {
-    constructor(project: Project) : this(
-        projectRootFile = project.rootProject.projectDir,
-        clientIsAliveFlagFile = GradleCompilerRunner.getOrCreateClientFlagFile(project),
-        sessionFlagFile = GradleCompilerRunner.getOrCreateSessionFlagFile(project),
-        buildDir = project.buildDir
+    //TODO
+    constructor(logger: Logger, projectDir:File, buildDir: File, prjectName: String, projectRootDir: File, sessionDir: File) : this(
+        projectRootFile = projectDir,
+        clientIsAliveFlagFile = GradleCompilerRunner.getOrCreateClientFlagFile(logger, prjectName),
+        sessionFlagFile = GradleCompilerRunner.getOrCreateSessionFlagFile(logger, sessionDir, projectRootDir),
+        buildDir = buildDir
     )
 
     companion object {

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

@@ -5,13 +5,15 @@
 
 package org.jetbrains.kotlin.gradle.internal
 
-import org.gradle.api.tasks.TaskProvider
-import org.jetbrains.kotlin.cli.common.arguments.*
-import org.jetbrains.kotlin.gradle.dsl.*
+import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
+import org.jetbrains.kotlin.cli.common.arguments.CommonToolArguments
+import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
+import org.jetbrains.kotlin.gradle.dsl.Coroutines
+import org.jetbrains.kotlin.gradle.dsl.fillDefaultValues
 import org.jetbrains.kotlin.gradle.logging.kotlinDebug
-import org.jetbrains.kotlin.gradle.tasks.*
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-import org.jetbrains.kotlin.gradle.utils.getValue
+import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompileArgumentsProvider
+import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompilerArgumentsProvider
 import org.jetbrains.kotlin.gradle.utils.toSortedPathsArray
 import org.jetbrains.kotlin.incremental.classpathAsList
 import org.jetbrains.kotlin.incremental.destinationAsFile
@@ -38,22 +40,20 @@ internal fun compilerArgumentsConfigurationFlags(defaultsOnly: Boolean, ignoreCl
  * but outside the tasks, so that this state & logic can be reused without referencing the task directly. */
 internal open class AbstractKotlinCompileArgumentsContributor<T : CommonCompilerArguments>(
     // Don't save this reference into a property! That would be hostile to Gradle instant execution
-    taskProvider: TaskProvider<out AbstractKotlinCompile<T>>
+    taskProvider: KotlinCompileArgumentsProvider<out AbstractKotlinCompile<T>>
 ) : CompilerArgumentsContributor<T> {
-    private val coroutines by taskProvider.map { it.coroutines }
 
-    protected val logger by taskProvider.map { it.logger }
-
-    private val isMultiplatform by taskProvider.map { it.isMultiplatform }
-
-    private val pluginClasspath by taskProvider.map { it.pluginClasspath }
-    private val pluginOptions by taskProvider.map { it.pluginOptions }
+    private val coroutines = taskProvider.coroutines
+    protected val logger = taskProvider.logger
+    private val isMultiplatform = taskProvider.isMultiplatform
+    private val pluginClasspath = taskProvider.pluginClasspath
+    private val pluginOptions = taskProvider.pluginOptions
 
     override fun contributeArguments(
         args: T,
         flags: Collection<CompilerArgumentsConfigurationFlag>
     ) {
-        args.coroutinesState = when (coroutines) {
+        args.coroutinesState = when (coroutines.get()) {
             Coroutines.ENABLE -> CommonCompilerArguments.ENABLE
             Coroutines.WARN -> CommonCompilerArguments.WARN
             Coroutines.ERROR -> CommonCompilerArguments.ERROR
@@ -79,23 +79,14 @@ internal open class AbstractKotlinCompileArgumentsContributor<T : CommonCompiler
 
 internal open class KotlinJvmCompilerArgumentsContributor(
     // Don't save this reference into a property! That would be hostile to Gradle instant execution. Only map it to the task properties.
-    taskProvider: TaskProvider<out KotlinCompile>
+    taskProvider: KotlinJvmCompilerArgumentsProvider
 ) : AbstractKotlinCompileArgumentsContributor<K2JVMCompilerArguments>(taskProvider) {
 
-    private val moduleName by taskProvider.map { it.moduleName }
-
-    private val friendPaths by taskProvider.map { it.friendPaths }
-
-    private val compileClasspath by taskProvider.map { it.compileClasspath }
-
-    private val destinationDir by taskProvider.map { it.destinationDir }
-
-    private val kotlinOptions by taskProvider.map {
-        listOfNotNull(
-            it.parentKotlinOptionsImpl as KotlinJvmOptionsImpl?,
-            it.kotlinOptions as KotlinJvmOptionsImpl
-        )
-    }
+    private val moduleName = taskProvider.moduleName
+    private val friendPaths = taskProvider.friendPaths
+    private val compileClasspath = taskProvider.compileClasspath
+    private val destinationDir = taskProvider.destinationDir
+    private val kotlinOptions = taskProvider.kotlinOptions
 
     override fun contributeArguments(
         args: K2JVMCompilerArguments,
@@ -121,6 +112,6 @@ internal open class KotlinJvmCompilerArgumentsContributor(
         }
         args.destinationAsFile = destinationDir
 
-        kotlinOptions.forEach { it.updateArguments(args) }
+        kotlinOptions.forEach { it?.updateArguments(args) }
     }
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/Kapt3KotlinGradleSubplugin.kt

@@ -10,6 +10,7 @@ import com.android.build.gradle.api.AndroidSourceSet
 import com.android.build.gradle.api.BaseVariant
 import com.android.build.gradle.api.SourceKind
 import com.intellij.openapi.util.SystemInfo
+import com.intellij.util.lang.JavaVersion
 import org.gradle.api.GradleException
 import org.gradle.api.Project
 import org.gradle.api.artifacts.Configuration
@@ -22,7 +23,6 @@ import org.gradle.api.tasks.*
 import org.gradle.api.tasks.compile.AbstractCompile
 import org.gradle.api.tasks.compile.JavaCompile
 import org.gradle.process.CommandLineArgumentProvider
-import org.gradle.tooling.provider.model.ToolingModelBuilder
 import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry
 import org.jetbrains.kotlin.gradle.dsl.KotlinCommonOptions
 import org.jetbrains.kotlin.gradle.internal.kapt.incremental.CLASS_STRUCTURE_ARTIFACT_TYPE
@@ -34,6 +34,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompileTaskData
 import org.jetbrains.kotlin.gradle.tasks.locateTask
 import org.jetbrains.kotlin.gradle.tasks.registerTask
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
 import java.io.ByteArrayOutputStream
 import java.io.File
 import java.io.ObjectOutputStream
@@ -474,7 +475,14 @@ class Kapt3GradleSubplugin @Inject internal constructor(private val registry: To
         val dslJavacOptions: Provider<Map<String, String>> = project.provider {
             kaptExtension.getJavacOptions().toMutableMap().also { result ->
                 if (javaCompile != null && "-source" !in result && "--source" !in result && "--release" !in result) {
-                    val sourceOptionKey = if (SystemInfo.isJavaVersionAtLeast(12, 0, 0)) {
+                    val atLeast12Java =
+                        if (isConfigurationCacheAvailable(project.gradle)) {
+                            val currentJavaVersion = JavaVersion.parse(project.providers.systemProperty("java.version").forUseAtConfigurationTime().get())
+                            currentJavaVersion.feature >= 12
+                        } else {
+                            SystemInfo.isJavaVersionAtLeast(12, 0, 0)
+                        }
+                    val sourceOptionKey = if (atLeast12Java) {
                         "--source"
                     } else {
                         "-source"

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptGenerateStubsTask.kt

@@ -20,7 +20,7 @@ import org.gradle.api.artifacts.Configuration
 import org.gradle.api.file.FileCollection
 import org.gradle.api.tasks.*
 import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
-import org.jetbrains.kotlin.gradle.dsl.*
+import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptions
 import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptionsImpl
 import org.jetbrains.kotlin.gradle.tasks.FilteringSourceRootsContainer
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
@@ -50,7 +50,7 @@ open class KaptGenerateStubsTask : KotlinCompile() {
     @get:Classpath
     @get:InputFiles
     val kaptClasspath: FileCollection
-        get() = project.files(kaptClasspathConfigurations)
+        get() = objects.fileCollection().from(kaptClasspathConfigurations)
 
     @get:Internal
     internal lateinit var kaptClasspathConfigurations: List<Configuration>
@@ -69,6 +69,9 @@ open class KaptGenerateStubsTask : KotlinCompile() {
             error("KaptGenerateStubsTask.useModuleDetection setter should not be called!")
         }
 
+    @get:Input
+    val verbose = (project.hasProperty("kapt.verbose") && project.property("kapt.verbose").toString().toBoolean() == true)
+
     override fun source(vararg sources: Any): SourceTask {
         return super.source(sourceRootsContainer.add(sources))
     }
@@ -95,7 +98,7 @@ open class KaptGenerateStubsTask : KotlinCompile() {
         val pluginOptionsWithKapt = pluginOptions.withWrappedKaptOptions(withApClasspath = kaptClasspath)
         args.pluginOptions = (pluginOptionsWithKapt.arguments + args.pluginOptions!!).toTypedArray()
 
-        args.verbose = project.hasProperty("kapt.verbose") && project.property("kapt.verbose").toString().toBoolean() == true
+        args.verbose = verbose
         args.classpathAsList = this.compileClasspath.filter { it.exists() }.toList()
         args.destinationAsFile = this.destinationDir
     }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptTask.kt

@@ -1,6 +1,5 @@
 package org.jetbrains.kotlin.gradle.internal
 
-import com.intellij.openapi.util.io.FileUtil
 import org.gradle.api.artifacts.Configuration
 import org.gradle.api.file.FileCollection
 import org.gradle.api.internal.ConventionTask
@@ -28,7 +27,7 @@ abstract class KaptTask : ConventionTask(), TaskWithLocalState {
         outputs.cacheIf(reason) { useBuildCache }
     }
 
-    override fun localStateDirectories(): FileCollection = project.files()
+    override fun localStateDirectories(): FileCollection = objects.fileCollection()
 
     @get:Internal
     @field:Transient
@@ -37,10 +36,13 @@ abstract class KaptTask : ConventionTask(), TaskWithLocalState {
     @get:Internal
     internal lateinit var stubsDir: File
 
+    @get:Internal
+    internal val objects = project.objects
+
     @get:Classpath
     @get:InputFiles
     val kaptClasspath: FileCollection
-        get() = project.files(kaptClasspathConfigurations)
+        get() = objects.fileCollection().from(kaptClasspathConfigurations)
 
     @get:Classpath
     @get:InputFiles
@@ -137,8 +139,36 @@ abstract class KaptTask : ConventionTask(), TaskWithLocalState {
 
     private fun isRootAllowed(file: File): Boolean =
         file.exists() &&
-                !FileUtil.isAncestor(destinationDir, file, /* strict = */ false) &&
-                !FileUtil.isAncestor(classesDir, file, /* strict = */ false)
+                !isAncestor(destinationDir, file) &&
+                !isAncestor(classesDir, file)
+
+    //Have to avoid using FileUtil because it is required system property reading that is not allowed for configuration cache
+    private fun isAncestor(dir: File, file: File): Boolean {
+        val path = file.canonicalPath
+        val prefix = dir.canonicalPath
+        val pathLength = path.length
+        val prefixLength = prefix.length
+        //TODO
+        val caseSensitive = true
+        return if (prefixLength == 0) {
+            true
+        } else if (prefixLength > pathLength) {
+            false
+        } else if (!path.regionMatches(0, prefix, 0, prefixLength, ignoreCase = !caseSensitive)) {
+            return false
+        } else if (pathLength == prefixLength) {
+            return true
+        } else {
+            val lastPrefixChar: Char = prefix.get(prefixLength - 1)
+            var slashOrSeparatorIdx = prefixLength
+            if (lastPrefixChar == '/' || lastPrefixChar == File.separatorChar) {
+                slashOrSeparatorIdx = prefixLength - 1
+            }
+            val next1 = path[slashOrSeparatorIdx]
+            return !(next1 != '/' && next1 != File.separatorChar)
+        }
+    }
+
 
     private fun FileCollection?.orEmpty(): FileCollection =
         this ?: project.files()

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptWithKotlincTask.kt

@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.gradle.logging.GradleKotlinLogger
 import org.jetbrains.kotlin.gradle.logging.GradlePrintingMessageCollector
 import org.jetbrains.kotlin.gradle.plugin.PLUGIN_CLASSPATH_CONFIGURATION_NAME
 import org.jetbrains.kotlin.gradle.tasks.CompilerPluginOptions
+import org.jetbrains.kotlin.gradle.tasks.GradleCompileTaskProvider
 import org.jetbrains.kotlin.gradle.utils.getValue
 import org.jetbrains.kotlin.gradle.utils.optionalProvider
 import org.jetbrains.kotlin.gradle.utils.toSortedPathsArray
@@ -43,6 +44,9 @@ open class KaptWithKotlincTask : KaptTask(), CompilerArgumentAwareWithInput<K2JV
     val pluginClasspath: FileCollection
         get() = project.configurations.getByName(PLUGIN_CLASSPATH_CONFIGURATION_NAME)
 
+    @get:Internal
+    val taskProvider = GradleCompileTaskProvider(this)
+
     override fun createCompilerArgs(): K2JVMCompilerArguments = K2JVMCompilerArguments()
 
     private val compileKotlinArgumentsContributor by project.provider {
@@ -50,8 +54,9 @@ open class KaptWithKotlincTask : KaptTask(), CompilerArgumentAwareWithInput<K2JV
     }
 
     override fun setupCompilerArgs(args: K2JVMCompilerArguments, defaultsOnly: Boolean, ignoreClasspathResolutionErrors: Boolean) {
-        compileKotlinArgumentsContributor.contributeArguments(args, compilerArgumentsConfigurationFlags(
-            defaultsOnly,
+        compileKotlinArgumentsContributor.contributeArguments(
+            args, compilerArgumentsConfigurationFlags(
+                defaultsOnly,
             ignoreClasspathResolutionErrors
         ))
 
@@ -106,7 +111,7 @@ open class KaptWithKotlincTask : KaptTask(), CompilerArgumentAwareWithInput<K2JV
             throw GradleException("Could not find tools.jar in system classpath, which is required for kapt to work")
         }
 
-        val compilerRunner = GradleCompilerRunner(this)
+        val compilerRunner = GradleCompilerRunner(taskProvider)
         compilerRunner.runJvmCompilerAsync(
             sourcesToCompile = emptyList(),
             commonSources = emptyList(),

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptWithoutKotlincTask.kt

@@ -11,13 +11,12 @@ import org.gradle.workers.IsolationMode
 import org.gradle.workers.WorkerExecutor
 import org.jetbrains.kotlin.gradle.internal.Kapt3GradleSubplugin.Companion.KAPT_WORKER_DEPENDENCIES_CONFIGURATION_NAME
 import org.jetbrains.kotlin.gradle.internal.kapt.incremental.KaptIncrementalChanges
-import org.jetbrains.kotlin.gradle.plugin.CompositeSubpluginOption
 import org.jetbrains.kotlin.gradle.plugin.KotlinAndroidPluginWrapper
-import org.jetbrains.kotlin.gradle.plugin.SubpluginOption
 import org.jetbrains.kotlin.gradle.tasks.CompilerPluginOptions
 import org.jetbrains.kotlin.gradle.tasks.findKotlinStdlibClasspath
 import org.jetbrains.kotlin.gradle.tasks.findToolsJar
 import org.jetbrains.kotlin.gradle.utils.getValue
+import org.jetbrains.kotlin.gradle.utils.isGradleVersionAtLeast
 import org.jetbrains.kotlin.utils.PathUtil
 import java.io.File
 import java.io.Serializable
@@ -29,7 +28,7 @@ open class KaptWithoutKotlincTask @Inject constructor(private val workerExecutor
     @get:InputFiles
     @get:Classpath
     @Suppress("unused")
-    val kaptJars: Collection<File> by project.provider {
+    val kaptJars: Collection<File> by lazy {
         project.configurations.getByName(KAPT_WORKER_DEPENDENCIES_CONFIGURATION_NAME).resolve()
     }
 
@@ -48,6 +47,18 @@ open class KaptWithoutKotlincTask @Inject constructor(private val workerExecutor
     @get:Input
     lateinit var javacOptions: Map<String, String>
 
+    @get:Input
+    internal val kotlinAndroidPluginWrapperPluginDoesNotExist = project.plugins.none { it is KotlinAndroidPluginWrapper }
+
+    @get:Input
+    internal val kotlinStdlibClasspath = findKotlinStdlibClasspath(project)
+
+    @get:Internal
+    internal val projectDir = project.projectDir
+
+    @get:Internal
+    internal val providers = project.providers
+
     private fun getAnnotationProcessorOptions(): Map<String, String> {
         val options = processorOptions.subpluginOptionsByPluginId[Kapt3GradleSubplugin.KAPT_SUBPLUGIN_ID] ?: return emptyMap()
 
@@ -70,7 +81,7 @@ open class KaptWithoutKotlincTask @Inject constructor(private val workerExecutor
         }
 
         val compileClasspath = classpath.files.toMutableList()
-        if (project.plugins.none { it is KotlinAndroidPluginWrapper }) {
+        if (kotlinAndroidPluginWrapperPluginDoesNotExist) {
             compileClasspath.addAll(0, PathUtil.getJdkClassesRootsFromCurrentJre())
         }
 
@@ -82,7 +93,7 @@ open class KaptWithoutKotlincTask @Inject constructor(private val workerExecutor
         }
 
         val optionsForWorker = KaptOptionsForWorker(
-            project.projectDir,
+            projectDir,
             compileClasspath,
             javaSourceRoots.toList(),
 
@@ -108,25 +119,35 @@ open class KaptWithoutKotlincTask @Inject constructor(private val workerExecutor
         if (annotationProcessorFqNames.isEmpty() && kaptClasspath.isEmpty())
             return
 
-        val kaptClasspath = kaptJars + findKotlinStdlibClasspath(project)
+        val kaptClasspath = kaptJars + kotlinStdlibClasspath
 
         workerExecutor.submit(KaptExecution::class.java) { config ->
-            val isolationModeStr = project.findProperty("kapt.workers.isolation") as String? ?: "none"
+            //TODO for gradle < 6.5
+            val isolationModeStr = getValue("kapt.workers.isolation") ?: "none"
             config.isolationMode = when (isolationModeStr.toLowerCase()) {
                 "process" -> IsolationMode.PROCESS
                 "none" -> IsolationMode.NONE
                 else -> IsolationMode.NONE
             }
             config.params(optionsForWorker, findToolsJar()?.toURI()?.toURL()?.toString().orEmpty(), kaptClasspath)
-            if (project.findProperty("kapt.workers.log.classloading") == "true") {
+            if (getValue("kapt.workers.log.classloading") == "true") {
                 // for tests
                 config.forkOptions.jvmArgs("-verbose:class")
             }
             logger.info("Kapt worker classpath: ${config.classpath}")
         }
     }
+
+    internal fun getValue(propertyName: String): String? =
+        if (isGradleVersionAtLeast(6, 5)) {
+            providers.systemProperty(propertyName).forUseAtConfigurationTime().orNull
+        } else {
+            project.findProperty(propertyName) as String?
+        }
+
 }
 
+
 private class KaptExecution @Inject constructor(
     val optionsForWorker: KaptOptionsForWorker,
     val toolsJarURLSpec: String,

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/model/builder/KotlinModelBuilder.kt

@@ -144,7 +144,7 @@ class KotlinModelBuilder(private val kotlinPluginVersion: String, private val an
         }
 
         private fun AbstractKotlinCompile<*>.createExperimentalFeatures(): ExperimentalFeatures {
-            return ExperimentalFeaturesImpl(coroutinesStr)
+            return ExperimentalFeaturesImpl(coroutinesStr.get())
         }
     }
 }

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

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin
+
+import org.gradle.api.Project
+import org.gradle.build.event.BuildEventsListenerRegistry
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
+import javax.inject.Inject
+
+open class BuildEventsListenerRegistryHolder @Inject constructor(val listenerRegistry: BuildEventsListenerRegistry?) {
+    companion object {
+        fun getInstance(project: Project) = run {
+            if (isConfigurationCacheAvailable(project.gradle)) {
+                project.objects.newInstance(BuildEventsListenerRegistryHolder::class.java)
+            } else {
+                BuildEventsListenerRegistryHolder(null)
+            }
+        }
+    }
+}

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

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin
+
+import org.gradle.tooling.events.FinishEvent
+import org.gradle.tooling.events.OperationCompletionListener
+
+//Available since Gradle 6.1
+class KotlinGradleBuildListener(
+//    val gradle: Gradle,
+    val services: KotlinGradleFinishBuildHandler
+) : OperationCompletionListener {
+
+    override fun onFinish(event: FinishEvent) {
+//        services.buildFinished(gradle)
+    }
+
+}

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

@@ -10,20 +10,18 @@ import org.gradle.BuildResult
 import org.gradle.api.Project
 import org.gradle.api.invocation.Gradle
 import org.gradle.api.logging.Logging
-import org.jetbrains.kotlin.compilerRunner.DELETED_SESSION_FILE_PREFIX
-import org.jetbrains.kotlin.compilerRunner.GradleCompilerRunner
 import org.jetbrains.kotlin.gradle.logging.kotlinDebug
 import org.jetbrains.kotlin.gradle.plugin.internal.state.TaskExecutionResults
 import org.jetbrains.kotlin.gradle.plugin.internal.state.TaskLoggers
 import org.jetbrains.kotlin.gradle.report.configureBuildReporter
-import org.jetbrains.kotlin.gradle.utils.relativeToRoot
-import org.jetbrains.kotlin.utils.addToStdlib.sumByLong
-import java.lang.management.ManagementFactory
-import kotlin.math.max
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
 
+
+//Support Gradle 6 and less. Move to
 internal class KotlinGradleBuildServices private constructor(
     private val gradle: Gradle
 ) : BuildAdapter() {
+
     companion object {
         private val CLASS_NAME = KotlinGradleBuildServices::class.java.simpleName
         const val FORCE_SYSTEM_GC_MESSAGE = "Forcing System.gc()"
@@ -34,36 +32,69 @@ internal class KotlinGradleBuildServices private constructor(
         val ALREADY_INITIALIZED_MESSAGE = "$CLASS_NAME is already initialized"
 
         @field:Volatile
-        private var instance: KotlinGradleBuildServices? = null
+        internal var instance: KotlinGradleBuildServices? = null
+
+//        @JvmStatic
+//        @Synchronized
+//        fun getInstance(gradle: Gradle): KotlinGradleBuildServices {
+//            val log = Logging.getLogger(KotlinGradleBuildServices::class.java)
+//
+//            if (instance != null) {
+//                log.kotlinDebug(ALREADY_INITIALIZED_MESSAGE)
+//                return instance!!
+//            }
+//
+//            val services = KotlinGradleBuildServices(gradle)
+//            instance = services
+//            if (!isGradleVersionAtLeast(6,1)) {
+//                gradle.addBuildListener(services)
+//                log.kotlinDebug(INIT_MESSAGE)
+//            } else {
+//                BuildEventsListenerRegistry.
+//            }
+//
+//            services.buildStarted()
+//            return services
+//        }
+
 
         @JvmStatic
         @Synchronized
-        fun getInstance(gradle: Gradle): KotlinGradleBuildServices {
+        fun getInstance(project: Project, listenerRegistryHolder: BuildEventsListenerRegistryHolder): KotlinGradleBuildServices {
             val log = Logging.getLogger(KotlinGradleBuildServices::class.java)
+            val kotlinGradleListenerProvider: org.gradle.api.provider.Provider<KotlinGradleBuildListener> = project.provider {
+                KotlinGradleBuildListener(KotlinGradleFinishBuildHandler())
+            }
 
             if (instance != null) {
                 log.kotlinDebug(ALREADY_INITIALIZED_MESSAGE)
                 return instance!!
             }
 
+            val gradle = project.gradle
             val services = KotlinGradleBuildServices(gradle)
-            gradle.addBuildListener(services)
-            instance = services
-            log.kotlinDebug(INIT_MESSAGE)
+            if (isConfigurationCacheAvailable(gradle)) {
+                listenerRegistryHolder.listenerRegistry!!.onTaskCompletion(kotlinGradleListenerProvider)
+            } else {
+                gradle.addBuildListener(services)
+                instance = services
+                log.kotlinDebug(INIT_MESSAGE)
+            }
 
             services.buildStarted()
             return services
         }
     }
 
+
     private val log = Logging.getLogger(this.javaClass)
-    private var startMemory: Long? = null
-    private val shouldReportMemoryUsage = System.getProperty(SHOULD_REPORT_MEMORY_USAGE_PROPERTY) != null
+    private var buildHandler: KotlinGradleFinishBuildHandler? = null
 
     // There is function with the same name in BuildAdapter,
     // but it is called before any plugin can attach build listener
     fun buildStarted() {
-        startMemory = getUsedMemoryKb()
+        buildHandler = KotlinGradleFinishBuildHandler()
+        buildHandler!!.buildStart()
 
         TaskLoggers.clear()
         TaskExecutionResults.clear()
@@ -72,57 +103,11 @@ internal class KotlinGradleBuildServices private constructor(
     }
 
     override fun buildFinished(result: BuildResult) {
-        TaskLoggers.clear()
-        TaskExecutionResults.clear()
-
-        val gradle = result.gradle!!
-        GradleCompilerRunner.clearBuildModulesInfo()
-
-        val rootProject = gradle.rootProject
-        val sessionsDir = GradleCompilerRunner.sessionsDir(rootProject)
-        if (sessionsDir.exists()) {
-            val sessionFiles = sessionsDir.listFiles()
-
-            // it is expected that only one session file per build exists
-            // afaik is is not possible to run multiple gradle builds in one project since gradle locks some dirs
-            if (sessionFiles.size > 1) {
-                log.warn("w: Detected multiple Kotlin daemon sessions at ${sessionsDir.relativeToRoot(rootProject)}")
-            }
-            for (file in sessionFiles) {
-                file.delete()
-                log.kotlinDebug { DELETED_SESSION_FILE_PREFIX + file.relativeToRoot(rootProject) }
-            }
-        }
-
-        if (shouldReportMemoryUsage) {
-            val startMem = startMemory!!
-            val endMem = getUsedMemoryKb()!!
-
-            // the value reported here is not necessarily a leak, since it is calculated before collecting the plugin classes
-            // but on subsequent runs in the daemon it should be rather small, then the classes are actually reused by the daemon (see above)
-            log.lifecycle("[KOTLIN][PERF] Used memory after build: $endMem kb (difference since build start: ${"%+d".format(endMem - startMem)} kb)")
-        }
-
-        gradle.removeListener(this)
+        buildHandler!!.buildFinished(result.gradle!!)
         instance = null
         log.kotlinDebug(DISPOSE_MESSAGE)
     }
 
-    private fun getUsedMemoryKb(): Long? {
-        if (!shouldReportMemoryUsage) return null
-
-        log.lifecycle(FORCE_SYSTEM_GC_MESSAGE)
-        val gcCountBefore = getGcCount()
-        System.gc()
-        while (getGcCount() == gcCountBefore) {
-        }
-
-        val rt = Runtime.getRuntime()
-        return (rt.totalMemory() - rt.freeMemory()) / 1024
-    }
-
-    private fun getGcCount(): Long =
-        ManagementFactory.getGarbageCollectorMXBeans().sumByLong { max(0, it.collectionCount) }
 
     private val multipleProjectsHolder = KotlinPluginInMultipleProjectsHolder(
         trackPluginVersionsSeparately = true

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

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin
+
+import org.gradle.api.invocation.Gradle
+import org.gradle.api.logging.Logging
+import org.jetbrains.kotlin.compilerRunner.DELETED_SESSION_FILE_PREFIX
+import org.jetbrains.kotlin.compilerRunner.GradleCompilerRunner
+import org.jetbrains.kotlin.gradle.logging.kotlinDebug
+import org.jetbrains.kotlin.gradle.plugin.internal.state.TaskExecutionResults
+import org.jetbrains.kotlin.gradle.plugin.internal.state.TaskLoggers
+import org.jetbrains.kotlin.gradle.utils.relativeToRoot
+import org.jetbrains.kotlin.utils.addToStdlib.sumByLong
+import java.lang.management.ManagementFactory
+import kotlin.math.max
+
+// move to KotlinGradleBuildListener when min supported version is 6.1
+class KotlinGradleFinishBuildHandler {
+
+    private val log = Logging.getLogger(this.javaClass)
+    private var startMemory: Long? = null
+    private val shouldReportMemoryUsage = System.getProperty(KotlinGradleBuildServices.SHOULD_REPORT_MEMORY_USAGE_PROPERTY) != null
+
+    fun buildStart() {
+        startMemory = getUsedMemoryKb()
+    }
+
+    fun buildFinished(gradle: Gradle) {
+        TaskLoggers.clear()
+        TaskExecutionResults.clear()
+
+        GradleCompilerRunner.clearBuildModulesInfo()
+
+        val rootProject = gradle.rootProject
+        val sessionsDir = GradleCompilerRunner.sessionsDir(rootProject)
+        if (sessionsDir.exists()) {
+            val sessionFiles = sessionsDir.listFiles()
+
+            // it is expected that only one session file per build exists
+            // afaik is is not possible to run multiple gradle builds in one project since gradle locks some dirs
+            if (sessionFiles.size > 1) {
+                log.warn("w: Detected multiple Kotlin daemon sessions at ${sessionsDir.relativeToRoot(rootProject)}")
+            }
+            for (file in sessionFiles) {
+                file.delete()
+                log.kotlinDebug { DELETED_SESSION_FILE_PREFIX + file.relativeToRoot(rootProject) }
+            }
+        }
+
+        if (shouldReportMemoryUsage) {
+            val startMem = startMemory!!
+            val endMem = getUsedMemoryKb()!!
+
+            // the value reported here is not necessarily a leak, since it is calculated before collecting the plugin classes
+            // but on subsequent runs in the daemon it should be rather small, then the classes are actually reused by the daemon (see above)
+            log.lifecycle("[KOTLIN][PERF] Used memory after build: $endMem kb (difference since build start: ${"%+d".format(endMem - startMem)} kb)")
+        }
+
+        gradle.removeListener(this)
+    }
+
+    internal fun getUsedMemoryKb(): Long? {
+        if (!shouldReportMemoryUsage) return null
+
+        log.lifecycle(KotlinGradleBuildServices.FORCE_SYSTEM_GC_MESSAGE)
+        val gcCountBefore = getGcCount()
+        System.gc()
+        while (getGcCount() == gcCountBefore) {
+        }
+
+        val rt = Runtime.getRuntime()
+        return (rt.totalMemory() - rt.freeMemory()) / 1024
+    }
+
+    private fun getGcCount(): Long =
+        ManagementFactory.getGarbageCollectorMXBeans().sumByLong { max(0, it.collectionCount) }
+
+}

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

@@ -1,3 +1,4 @@
+
 /*
  * Copyright 2010-2016 JetBrains s.r.o.
  *

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

@@ -103,7 +103,7 @@ internal abstract class KotlinSourceSetProcessor<T : AbstractKotlinCompile<*>>(
 
     private fun prepareKotlinCompileTask(): TaskProvider<out T> =
         registerKotlinCompileTask(register = ::doRegisterTask).also { task ->
-            kotlinCompilation.output.addClassesDir { project.files(task.map { it.destinationDir }) }
+            kotlinCompilation.output.addClassesDir { project.files(task.map { it.destinationDir }).builtBy(task) }
         }
 
     protected fun registerKotlinCompileTask(

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

@@ -24,6 +24,7 @@ import org.gradle.api.internal.FeaturePreviews
 import org.gradle.api.internal.file.FileResolver
 import org.gradle.api.logging.Logger
 import org.gradle.api.logging.Logging
+import org.gradle.build.event.BuildEventsListenerRegistry
 import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry
 import org.jetbrains.kotlin.gradle.dsl.*
 import org.jetbrains.kotlin.gradle.logging.kotlinDebug
@@ -49,6 +50,7 @@ import kotlin.reflect.KClass
 abstract class KotlinBasePluginWrapper(
     protected val fileResolver: FileResolver
 ) : Plugin<Project> {
+
     private val log = Logging.getLogger(this.javaClass)
     val kotlinPluginVersion = loadKotlinVersionFromResource(log)
 
@@ -58,7 +60,8 @@ abstract class KotlinBasePluginWrapper(
         DefaultKotlinSourceSetFactory(project, fileResolver)
 
     override fun apply(project: Project) {
-        val statisticsReporter = KotlinBuildStatsService.getOrCreateInstance(project.gradle)
+        val listenerRegistryHolder = BuildEventsListenerRegistryHolder.getInstance(project)
+        val statisticsReporter = KotlinBuildStatsService.getOrCreateInstance(project, listenerRegistryHolder)
         statisticsReporter?.report(StringMetrics.KOTLIN_COMPILER_VERSION, kotlinPluginVersion)
 
         checkGradleCompatibility()
@@ -80,7 +83,8 @@ abstract class KotlinBasePluginWrapper(
 
         // TODO: consider only set if if daemon or parallel compilation are enabled, though this way it should be safe too
         System.setProperty(org.jetbrains.kotlin.cli.common.KOTLIN_COMPILER_ENVIRONMENT_KEEPALIVE_PROPERTY, "true")
-        val kotlinGradleBuildServices = KotlinGradleBuildServices.getInstance(project.gradle)
+
+        val kotlinGradleBuildServices = KotlinGradleBuildServices.getInstance(project, listenerRegistryHolder)
 
         kotlinGradleBuildServices.detectKotlinPluginLoadedInMultipleProjects(project, kotlinPluginVersion)
 

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

@@ -27,16 +27,16 @@ import java.io.File
 
 internal fun AbstractCompile.appendClasspathDynamically(file: File) {
     var added = false
-
+    val objects = project.objects
     doFirst {
         if (file !in classpath) {
-            classpath += project.files(file)
+            classpath += objects.fileCollection().from(file)
             added = true
         }
     }
     doLast {
         if (added) {
-            classpath -= project.files(file)
+            classpath -= objects.fileCollection().from(file)
         }
     }
 }

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

@@ -24,9 +24,14 @@ import java.util.zip.ZipOutputStream
 import javax.xml.parsers.DocumentBuilderFactory
 
 internal sealed class MetadataDependencyResolution(
+    @field:Transient // can't be used with Gradle Instant Execution, but fortunately not needed when deserialized
     val dependency: ResolvedComponentResult,
+    @field:Transient
     val projectDependency: Project?
 ) {
+    /** Evaluate and store the value, as the [dependency] will be lost during Gradle instant execution */
+//    val originalArtifactFiles: List<File> = dependency.dependents.flatMap {  it.allModuleArtifacts } .map { it.file }
+
     override fun toString(): String {
         val verb = when (this) {
             is KeepOriginalDependency -> "keep"
@@ -59,7 +64,10 @@ internal sealed class MetadataDependencyResolution(
          * If [doProcessFiles] is true, these temporary files are actually re-created during the call,
          * otherwise only their paths are returned, while the files might be missing.
          */
-        abstract fun getMetadataFilesBySourceSet(baseDir: File, doProcessFiles: Boolean): Map<String, FileCollection>
+        fun getMetadataFilesBySourceSet(baseDir: File, doProcessFiles: Boolean): Map<String, FileCollection> =
+            getExtractableMetadataFiles(baseDir).getMetadataFilesPerSourceSet(doProcessFiles)
+
+        abstract fun getExtractableMetadataFiles(baseDir: File): ExtractableMetadataFiles
 
         override fun toString(): String =
             super.toString() + ", sourceSets = " + allVisibleSourceSetNames.joinToString(", ", "[", "]") {
@@ -183,6 +191,7 @@ internal class GranularMetadataTransformation(
 
         allModuleDependencies.forEach { resolvedDependency ->
             if (resolvedDependency.selected !in visitedDependencies) {
+//                val files = resolvedDependency.moduleArtifacts.map { it.file }
                 result.add(
                     MetadataDependencyResolution.ExcludeAsUnrequested(
                         resolvedDependency.selected,
@@ -273,6 +282,20 @@ internal class GranularMetadataTransformation(
             module, resolvedToProject, projectStructureMetadata, allVisibleSourceSets, visibleSourceSetsExcludingDependsOn,
             transitiveDependenciesToVisit, mppDependencyMetadataExtractor
         )
+        /*
+        return object : MetadataDependencyResolution.ChooseVisibleSourceSets(
+            module,
+            projectDependency,
+            projectStructureMetadata,
+            allVisibleSourceSets,
+            visibleSourceSetsExcludingDependsOn,
+            transitiveDependenciesToVisit
+        ) {
+            override fun getExtractableMetadataFiles(baseDir: File): ExtractableMetadataFiles =
+                mppDependencyMetadataExtractor.getExtractableMetadataFiles(visibleSourceSetsExcludingDependsOn, baseDir)
+
+        }
+         */
     }
 
     private class ChooseVisibleSourceSetsImpl(
@@ -291,18 +314,24 @@ internal class GranularMetadataTransformation(
         visibleSourceSetNamesExcludingDependsOn,
         visibleTransitiveDependencies
     ) {
-        override fun getMetadataFilesBySourceSet(baseDir: File, doProcessFiles: Boolean): Map<String, FileCollection> =
-            metadataExtractor.getVisibleSourceSetsMetadata(visibleSourceSetNamesExcludingDependsOn, baseDir, doProcessFiles)
+        override fun getExtractableMetadataFiles(baseDir: File): ExtractableMetadataFiles =
+            object : ExtractableMetadataFiles() {
+                override fun getMetadataFilesPerSourceSet(doProcessFiles: Boolean) : Map<String, FileCollection>
+                = metadataExtractor.getExtractableMetadataFiles(visibleSourceSetNamesExcludingDependsOn, baseDir, doProcessFiles)
+                    .getMetadataFilesPerSourceSet(doProcessFiles)
+            }
+
     }
 }
 
 private abstract class MppDependencyMetadataExtractor(val project: Project, val dependency: ResolvedComponentResult) {
     abstract fun getProjectStructureMetadata(): KotlinProjectStructureMetadata?
-    abstract fun getVisibleSourceSetsMetadata(
+
+    abstract fun getExtractableMetadataFiles(
         visibleSourceSetNames: Set<String>,
         baseDir: File,
         doProcessFiles: Boolean
-    ): Map<String, FileCollection>
+    ): ExtractableMetadataFiles
 }
 
 private class ProjectMppDependencyMetadataExtractor(
@@ -313,14 +342,19 @@ private class ProjectMppDependencyMetadataExtractor(
     override fun getProjectStructureMetadata(): KotlinProjectStructureMetadata? =
         buildKotlinProjectStructureMetadata(dependencyProject)
 
-    override fun getVisibleSourceSetsMetadata(
+    override fun getExtractableMetadataFiles(
         visibleSourceSetNames: Set<String>,
         baseDir: File,
         doProcessFiles: Boolean
-    ): Map<String, FileCollection> =
-        dependencyProject.multiplatformExtension.targets.getByName(KotlinMultiplatformPlugin.METADATA_TARGET_NAME).compilations
+    ): ExtractableMetadataFiles {
+        val result = dependencyProject.multiplatformExtension.targets.getByName(KotlinMultiplatformPlugin.METADATA_TARGET_NAME).compilations
             .filter { it.name in visibleSourceSetNames }
             .associate { it.defaultSourceSet.name to it.output.classesDirs }
+
+        return object : ExtractableMetadataFiles() {
+            override fun getMetadataFilesPerSourceSet(doProcessFiles: Boolean): Map<String, FileCollection> = result
+        }
+    }
 }
 
 private class JarArtifactMppDependencyMetadataExtractor(
@@ -344,72 +378,106 @@ private class JarArtifactMppDependencyMetadataExtractor(
         }
     }
 
-    override fun getVisibleSourceSetsMetadata(
+    override fun getExtractableMetadataFiles(
         visibleSourceSetNames: Set<String>,
         baseDir: File,
         doProcessFiles: Boolean
-    ): Map<String, FileCollection> {
+    ): ExtractableMetadataFiles {
+//        val artifactFile = artifact.file
         val primaryArtifact = primaryArtifact
         val moduleId = ModuleIds.fromComponent(project, dependency)
 
-        return extractSourceSetMetadataFromArtifacts(
+//        val jarArtifact = artifact
+//            ?: return object : ExtractableMetadataFiles() {
+//                override fun getMetadataFilesPerSourceSet(doProcessFiles: Boolean): Map<String, FileCollection> = emptyMap()
+//            }
+
+        return JarExtractableMetadataFiles(
             moduleId,
+            project,
+            primaryArtifact,
+//            artifactJar,
+//            visibleSourceSetNames,
             baseDir,
             doProcessFiles,
             visibleSourceSetNames.associate { it to (metadataArtifactBySourceSet[it] ?: primaryArtifact) }
         )
     }
 
-    private fun extractSourceSetMetadataFromArtifacts(
-        module: ModuleDependencyIdentifier,
-        baseDir: File,
+    private class JarExtractableMetadataFiles(
+        private val module: ModuleDependencyIdentifier,
+        private val project: Project,
+        private val primaryArtifact: File,
+        private val baseDir: File,
         doProcessFiles: Boolean,
-        artifactBySourceSet: Map<String, File>
-    ): Map<String, FileCollection> {
-        val moduleString = "${module.groupId}-${module.moduleId}"
-        val transformedModuleRoot = run { baseDir.resolve(moduleString).also { it.mkdirs() } }
+        private val artifactBySourceSet: Map<String, File>
+    ) : ExtractableMetadataFiles() {
 
-        val resultFiles = mutableMapOf<String, FileCollection>()
+        //TODO its part of extractor. Move it
+        fun getProjectStructureMetadata(): KotlinProjectStructureMetadata? {
+            return ZipFile(primaryArtifact).use { zip ->
+                val metadata = zip.getEntry("META-INF/$MULTIPLATFORM_PROJECT_METADATA_FILE_NAME")
+                    ?: return null
 
-        val projectStructureMetadata = checkNotNull(getProjectStructureMetadata()) {
-            "can't extract metadata from a module without project structure metadata"
+                val metadataXmlDocument = zip.getInputStream(metadata).use { inputStream ->
+                    DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream)
+                }
+
+                parseKotlinSourceSetMetadataFromXml(metadataXmlDocument)
+            }
         }
 
-        artifactBySourceSet.forEach { (sourceSetName, artifact) ->
-            ZipFile(artifact).use { zip ->
-                val entries = zip.entries().asSequence().filter { it.name.startsWith("$sourceSetName/") }.toList()
+        override fun getMetadataFilesPerSourceSet(doProcessFiles: Boolean): Map<String, FileCollection> {
+            val moduleString = "${module.groupId}-${module.moduleId}"
+            val transformedModuleRoot = run { baseDir.resolve(moduleString).also { it.mkdirs() } }
 
-                // TODO: once IJ supports non-JAR metadata dependencies, extract to a directory, not a JAR
-                // Also, if both IJ and the CLI compiler can read metadata from a path inside a JAR, then no operations will be needed
+            val resultFiles = mutableMapOf<String, FileCollection>()
+            val projectStructureMetadata = checkNotNull(getProjectStructureMetadata()) {
+                "can't extract metadata from a module without project structure metadata"
+            }
+//            val artifactJar :File= artifactBySourceSet.values().first()
+            artifactBySourceSet.forEach { (sourceSetName, artifact) ->
+                ZipFile(artifact).use { zip ->
+                    val entries = zip.entries().asSequence().filter { it.name.startsWith("$sourceSetName/") }.toList()
 
-                if (entries.any()) {
-                    val extension = projectStructureMetadata.sourceSetBinaryLayout[sourceSetName]?.archiveExtension
-                        ?: SourceSetMetadataLayout.METADATA.archiveExtension
+                    // TODO: once IJ supports non-JAR metadata dependencies, extract to a directory, not a JAR
+                    // Also, if both IJ and the CLI compiler can read metadata from a path inside a JAR, then no operations will be needed
 
-                    val extractToJarFile = transformedModuleRoot.resolve("$moduleString-$sourceSetName.$extension")
-                    resultFiles[sourceSetName] = project.files(extractToJarFile)
+                    if (entries.any()) {
+                        val extension = projectStructureMetadata.sourceSetBinaryLayout[sourceSetName]?.archiveExtension
+                            ?: SourceSetMetadataLayout.METADATA.archiveExtension
 
-                    if (doProcessFiles) {
-                        ZipOutputStream(extractToJarFile.outputStream()).use { resultZipOutput ->
-                            for (entry in entries) {
-                                if (entry.isDirectory)
-                                    continue
+                        val extractToJarFile = transformedModuleRoot.resolve("$moduleString-$sourceSetName.$extension")
+                        resultFiles[sourceSetName] = project.files(extractToJarFile)
 
-                                // Drop the source set name from the entry path
-                                val resultEntry = ZipEntry(entry.name.substringAfter("/"))
+                        if (doProcessFiles) {
+                            ZipOutputStream(extractToJarFile.outputStream()).use { resultZipOutput ->
+                                for (entry in entries) {
+                                    if (entry.isDirectory)
+                                        continue
 
-                                zip.getInputStream(entry).use { inputStream ->
-                                    resultZipOutput.putNextEntry(resultEntry)
-                                    inputStream.copyTo(resultZipOutput)
-                                    resultZipOutput.closeEntry()
+                                    // Drop the source set name from the entry path
+                                    val resultEntry = ZipEntry(entry.name.substringAfter("/"))
+
+                                    zip.getInputStream(entry).use { inputStream ->
+                                        resultZipOutput.putNextEntry(resultEntry)
+                                        inputStream.copyTo(resultZipOutput)
+                                        resultZipOutput.closeEntry()
+                                    }
                                 }
                             }
                         }
                     }
                 }
             }
-        }
 
-        return resultFiles
+            return resultFiles
+        }
     }
 }
+
+// This class is needed to encapsulate how we extract the files and point to them in a way that doesn't capture the Gradle project state
+internal abstract class ExtractableMetadataFiles {
+    abstract fun getMetadataFilesPerSourceSet(doProcessFiles: Boolean): Map<String, FileCollection>
+}
+

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

@@ -15,22 +15,28 @@ import org.jetbrains.kotlin.gradle.plugin.sources.KotlinDependencyScope.*
 import org.jetbrains.kotlin.gradle.plugin.sources.getSourceSetHierarchy
 import org.jetbrains.kotlin.gradle.targets.metadata.ALL_COMPILE_METADATA_CONFIGURATION_NAME
 import org.jetbrains.kotlin.gradle.targets.metadata.KotlinMetadataTargetConfigurator
+import org.jetbrains.kotlin.gradle.utils.getValue
 import java.io.File
 import javax.inject.Inject
 
 open class TransformKotlinGranularMetadata
 @Inject constructor(
     @get:Internal
+    @field:Transient
     val kotlinSourceSet: KotlinSourceSet
 ) : DefaultTask() {
 
     @get:OutputDirectory
-    val outputsDir: File = project.buildDir.resolve("kotlinSourceSetMetadata/${kotlinSourceSet.name}")
+    val outputsDir: File by project.provider {
+        project.buildDir.resolve("kotlinSourceSetMetadata/${kotlinSourceSet.name}")
+    }
 
     @Suppress("unused") // Gradle input
     @get:InputFiles
     @get:PathSensitive(PathSensitivity.RELATIVE)
-    internal val allSourceSetsMetadataConfiguration = project.configurations.getByName(ALL_COMPILE_METADATA_CONFIGURATION_NAME)
+    internal val allSourceSetsMetadataConfiguration: FileCollection by lazy {
+        project.files(project.configurations.getByName(ALL_COMPILE_METADATA_CONFIGURATION_NAME))
+    }
 
     private val participatingSourceSets: Set<KotlinSourceSet>
         get() = transformation.kotlinSourceSet.getSourceSetHierarchy().toMutableSet().apply {
@@ -40,15 +46,14 @@ open class TransformKotlinGranularMetadata
 
     @Suppress("unused") // Gradle input
     @get:Input
-    internal val inputSourceSetsAndCompilations: Map<String, Iterable<String>>
-        get() {
-            val sourceSets = participatingSourceSets
-            return CompilationSourceSetUtil.compilationsBySourceSets(project)
-                .filterKeys { it in sourceSets }
-                .entries.associate { (sourceSet, compilations) ->
-                    sourceSet.name to compilations.map { it.name }.sorted()
-                }
+    internal val inputSourceSetsAndCompilations: Map<String, Iterable<String>> by project.provider {
+        val sourceSets = participatingSourceSets
+        CompilationSourceSetUtil.compilationsBySourceSets(project)
+            .filterKeys { it in sourceSets }
+            .entries.associate { (sourceSet, compilations) ->
+            sourceSet.name to compilations.map { it.name }.sorted()
         }
+    }
 
     private val participatingCompilations: Iterable<KotlinCompilation<*>>
         get() {
@@ -58,13 +63,15 @@ open class TransformKotlinGranularMetadata
 
     @Suppress("unused") // Gradle input
     @get:Input
-    internal val inputCompilationDependencies: Map<String, Set<List<String?>>>
-        get() = participatingCompilations.associate {
+    internal val inputCompilationDependencies: Map<String, Set<List<String?>>> by project.provider {
+        participatingCompilations.associate {
             it.name to project.configurations.getByName(it.compileDependencyConfigurationName)
                 .allDependencies.map { listOf(it.group, it.name, it.version) }.toSet()
         }
+    }
 
     @get:Internal
+    @delegate:Transient
     internal val transformation: GranularMetadataTransformation by lazy {
         GranularMetadataTransformation(
             project,
@@ -82,14 +89,39 @@ open class TransformKotlinGranularMetadata
     }
 
     @get:Internal
-    internal val metadataDependencyResolutions: Iterable<MetadataDependencyResolution>
-        get() = transformation.metadataDependencyResolutions
+    @delegate:Transient // exclude from Gradle instant execution state
+    internal val metadataDependencyResolutions: Iterable<MetadataDependencyResolution> by project.provider {
+        transformation.metadataDependencyResolutions
+    }
 
+    //TODO avoid using it
     @get:Internal
     internal val filesByResolution: Map<out MetadataDependencyResolution, FileCollection>
         get() = metadataDependencyResolutions.filterIsInstance<MetadataDependencyResolution.ChooseVisibleSourceSets>()
             .associate { it to project.files(it.getMetadataFilesBySourceSet(outputsDir, doProcessFiles = false).values) }
 
+//    @get:Internal
+//    internal val filesByOriginalFiles: Map<out Iterable<File>, FileCollection> by project.provider {
+//        metadataDependencyResolutions.associate {
+//            it.originalArtifactFiles to project.files(
+//                when (it) {
+//                    is MetadataDependencyResolution.ChooseVisibleSourceSets ->
+//                        it.getMetadataFilesBySourceSet(outputsDir, doProcessFiles = false).values
+//                    is MetadataDependencyResolution.ExcludeAsUnrequested ->
+//                        emptyList()
+//                    is MetadataDependencyResolution.KeepOriginalDependency ->
+//                        it.originalArtifactFiles
+//                }
+//            )
+//        }
+//    }
+
+    private val extractableFiles by project.provider {
+        transformation.metadataDependencyResolutions
+            .filterIsInstance<MetadataDependencyResolution.ChooseVisibleSourceSets>()
+            .map { it.getExtractableMetadataFiles(outputsDir) }
+    }
+
     @TaskAction
     fun transformMetadata() {
         if (outputsDir.isDirectory) {
@@ -97,8 +129,6 @@ open class TransformKotlinGranularMetadata
         }
         outputsDir.mkdirs()
 
-        metadataDependencyResolutions
-            .filterIsInstance<MetadataDependencyResolution.ChooseVisibleSourceSets>()
-            .forEach { it.getMetadataFilesBySourceSet(outputsDir, doProcessFiles = true) }
+        extractableFiles.forEach { it.getMetadataFilesPerSourceSet(doProcessFiles = true) }
     }
 }

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

@@ -69,6 +69,7 @@ internal class DefaultLanguageSettingsBuilder : LanguageSettingsBuilder {
     }
 
     /* A Kotlin task that is responsible for code analysis of the owner of this language settings builder. */
+    @Transient // not needed during Gradle Instant Execution
     var compilerPluginOptionsTask: Lazy<AbstractCompile?> = lazyOf(null)
 
     val compilerPluginArguments: List<String>?
@@ -76,7 +77,7 @@ internal class DefaultLanguageSettingsBuilder : LanguageSettingsBuilder {
             val pluginOptionsTask = compilerPluginOptionsTask.value ?: return null
             return when (pluginOptionsTask) {
                 is AbstractKotlinCompile<*> -> pluginOptionsTask.pluginOptions
-                is AbstractKotlinNativeCompile<*> -> pluginOptionsTask.compilerPluginOptions
+                is AbstractKotlinNativeCompile<*, *> -> pluginOptionsTask.compilerPluginOptions
                 else -> error("Unexpected task: $pluginOptionsTask")
             }.arguments
         }
@@ -86,7 +87,7 @@ internal class DefaultLanguageSettingsBuilder : LanguageSettingsBuilder {
             val pluginClasspathTask = compilerPluginOptionsTask.value ?: return null
             return when (pluginClasspathTask) {
                 is AbstractKotlinCompile<*> -> pluginClasspathTask.pluginClasspath
-                is AbstractKotlinNativeCompile<*> -> pluginClasspathTask.compilerPluginClasspath ?: pluginClasspathTask.project.files()
+                is AbstractKotlinNativeCompile<*, *> -> pluginClasspathTask.compilerPluginClasspath ?: pluginClasspathTask.project.files()
                 else -> error("Unexpected task: $pluginClasspathTask")
             }
         }

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

@@ -0,0 +1,215 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin.statistics
+
+import org.gradle.api.Project
+import org.gradle.api.artifacts.DependencySet
+import org.gradle.api.invocation.Gradle
+import org.gradle.api.logging.Logging
+import org.jetbrains.kotlin.gradle.utils.API
+import org.jetbrains.kotlin.gradle.utils.COMPILE
+import org.jetbrains.kotlin.gradle.utils.IMPLEMENTATION
+import org.jetbrains.kotlin.gradle.utils.RUNTIME
+import org.jetbrains.kotlin.statistics.BuildSessionLogger
+import org.jetbrains.kotlin.statistics.metrics.BooleanMetrics
+import org.jetbrains.kotlin.statistics.metrics.NumericalMetrics
+import org.jetbrains.kotlin.statistics.metrics.StringMetrics
+import java.io.File
+import java.lang.management.ManagementFactory
+import javax.management.MBeanServer
+import javax.management.ObjectName
+import kotlin.system.measureTimeMillis
+
+class KotlinBuildStatHandler {
+    companion object {
+        @JvmStatic
+        internal fun getLogger() = Logging.getLogger(KotlinBuildStatHandler::class.java)
+
+        internal fun <T> runSafe(methodName: String, action: () -> T?): T? {
+            return try {
+                getLogger().debug("Executing [$methodName]")
+                action.invoke()
+            } catch (e: Throwable) {
+                logException("Could not execute [$methodName]", e)
+                null
+            }
+        }
+
+        internal fun logException(description: String, e: Throwable) {
+            getLogger().info(description)
+            getLogger().debug(e.message, e)
+        }
+
+    }
+
+    fun buildFinished(
+        gradle: Gradle?,
+        beanName: ObjectName,
+        sessionLogger: BuildSessionLogger,
+        action: String?,
+        failure: Throwable?
+    ) {
+        runSafe("${KotlinBuildStatHandler::class.java}.buildFinished") {
+            try {
+                try {
+                    if (gradle != null) reportGlobalMetrics(gradle, sessionLogger)
+                } finally {
+                    sessionLogger.finishBuildSession(action, failure)
+                }
+            } finally {
+                val mbs: MBeanServer = ManagementFactory.getPlatformMBeanServer()
+                if (mbs.isRegistered(beanName)) {
+                    mbs.unregisterMBean(beanName)
+                }
+            }
+        }
+    }
+
+    internal fun reportGlobalMetrics(gradle: Gradle, sessionLogger: BuildSessionLogger) {
+        System.getProperty("os.name")?.also {
+            sessionLogger.report(StringMetrics.OS_TYPE, System.getProperty("os.name"))
+        }
+        sessionLogger.report(NumericalMetrics.CPU_NUMBER_OF_CORES, Runtime.getRuntime().availableProcessors().toLong())
+        sessionLogger.report(StringMetrics.GRADLE_VERSION, gradle.gradleVersion)
+        sessionLogger.report(BooleanMetrics.EXECUTED_FROM_IDEA, System.getProperty("idea.active") != null)
+        sessionLogger.report(NumericalMetrics.GRADLE_DAEMON_HEAP_SIZE, Runtime.getRuntime().maxMemory())
+        sessionLogger.report(
+            BooleanMetrics.KOTLIN_OFFICIAL_CODESTYLE,
+            gradle.rootProject.properties["kotlin.code.style"] == "official"
+        ) // constants are saved in IDEA plugin and could not be accessed directly
+
+        gradle.taskGraph.whenReady() { taskExecutionGraph ->
+            val executedTaskNames = taskExecutionGraph.allTasks.map { it.name }.distinct()
+            report(sessionLogger, BooleanMetrics.COMPILATION_STARTED, executedTaskNames.contains("compileKotlin"), null)
+            report(sessionLogger, BooleanMetrics.TESTS_EXECUTED, executedTaskNames.contains("compileTestKotlin"), null)
+            report(sessionLogger, BooleanMetrics.MAVEN_PUBLISH_EXECUTED, executedTaskNames.contains("install"), null)
+        }
+
+        fun buildSrcExists(project: Project) = File(project.projectDir, "buildSrc").exists()
+        if (buildSrcExists(gradle.rootProject)) {
+            sessionLogger.report(BooleanMetrics.BUILD_SRC_EXISTS, true)
+        }
+        val statisticOverhead = measureTimeMillis {
+            gradle.allprojects { project ->
+                for (configuration in project.configurations) {
+                    val configurationName = configuration.name
+                    val dependencies = configuration.dependencies
+
+                    when (configurationName) {
+                        "kapt" -> {
+                            sessionLogger.report(BooleanMetrics.ENABLED_KAPT, true)
+                            dependencies?.forEach { dependency ->
+                                when (dependency.group) {
+                                    "com.google.dagger" -> sessionLogger.report(BooleanMetrics.ENABLED_DAGGER, true)
+                                    "com.android.databinding" -> sessionLogger.report(BooleanMetrics.ENABLED_DATABINDING, true)
+                                }
+                            }
+                        }
+                        API -> {
+                            sessionLogger.report(NumericalMetrics.CONFIGURATION_API_COUNT, 1)
+                            reportLibrariesVersions(sessionLogger, dependencies)
+                        }
+                        IMPLEMENTATION -> {
+                            sessionLogger.report(NumericalMetrics.CONFIGURATION_IMPLEMENTATION_COUNT, 1)
+                            reportLibrariesVersions(sessionLogger, dependencies)
+                        }
+                        COMPILE -> {
+                            sessionLogger.report(NumericalMetrics.CONFIGURATION_COMPILE_COUNT, 1)
+                            reportLibrariesVersions(sessionLogger, dependencies)
+                        }
+                        RUNTIME -> {
+                            sessionLogger.report(NumericalMetrics.CONFIGURATION_RUNTIME_COUNT, 1)
+                            reportLibrariesVersions(sessionLogger, dependencies)
+                        }
+                    }
+                }
+
+                sessionLogger.report(NumericalMetrics.NUMBER_OF_SUBPROJECTS, 1)
+                sessionLogger.report(BooleanMetrics.KOTLIN_KTS_USED, project.buildscript.sourceFile?.name?.endsWith(".kts") ?: false)
+                sessionLogger.report(NumericalMetrics.GRADLE_NUMBER_OF_TASKS, project.tasks.names.size.toLong())
+                sessionLogger.report(
+                    NumericalMetrics.GRADLE_NUMBER_OF_UNCONFIGURED_TASKS,
+                    project.tasks.names.count { name ->
+                        try {
+                            project.tasks.named(name).javaClass.name.contains("TaskCreatingProvider")
+                        } catch (_: Exception) {
+                            true
+                        }
+                    }.toLong()
+                )
+
+                if (buildSrcExists(project)) {
+                    sessionLogger.report(NumericalMetrics.BUILD_SRC_COUNT, 1)
+                    sessionLogger.report(BooleanMetrics.BUILD_SRC_EXISTS, true)
+                }
+            }
+        }
+        sessionLogger.report(NumericalMetrics.STATISTICS_VISIT_ALL_PROJECTS_OVERHEAD, statisticOverhead)
+    }
+
+    private fun reportLibrariesVersions(sessionLogger: BuildSessionLogger, dependencies: DependencySet?) {
+        dependencies?.forEach { dependency ->
+            when {
+                dependency.group?.startsWith("org.springframework") ?: false -> sessionLogger.report(
+                    StringMetrics.LIBRARY_SPRING_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group?.startsWith("com.vaadin") ?: false -> sessionLogger.report(
+                    StringMetrics.LIBRARY_VAADIN_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group?.startsWith("com.google.gwt") ?: false -> sessionLogger.report(
+                    StringMetrics.LIBRARY_GWT_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group?.startsWith("org.hibernate") ?: false -> sessionLogger.report(
+                    StringMetrics.LIBRARY_HIBERNATE_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group == "org.jetbrains.kotlin" && dependency.name.startsWith("kotlin-stdlib") -> sessionLogger.report(
+                    StringMetrics.KOTLIN_STDLIB_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group == "org.jetbrains.kotlinx" && dependency.name == "kotlinx-coroutines" -> sessionLogger.report(
+                    StringMetrics.KOTLIN_COROUTINES_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group == "org.jetbrains.kotlin" && dependency.name == "kotlin-reflect" -> sessionLogger.report(
+                    StringMetrics.KOTLIN_REFLECT_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group == "org.jetbrains.kotlinx" && dependency.name
+                    .startsWith("kotlinx-serialization-runtime") -> sessionLogger.report(
+                    StringMetrics.KOTLIN_SERIALIZATION_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+                dependency.group == "com.android.tools.build" && dependency.name.startsWith("gradle") -> sessionLogger.report(
+                    StringMetrics.ANDROID_GRADLE_PLUGIN_VERSION,
+                    dependency.version ?: "0.0.0"
+                )
+            }
+        }
+    }
+
+    internal fun report(sessionLogger: BuildSessionLogger, metric: BooleanMetrics, value: Boolean, subprojectName: String?) {
+        runSafe("report metric ${metric.name}") {
+            sessionLogger.report(metric, value, subprojectName)
+        }
+
+    }
+
+    internal fun report(sessionLogger: BuildSessionLogger, metric: NumericalMetrics, value: Long, subprojectName: String?) {
+        runSafe("report metric ${metric.name}") {
+            sessionLogger.report(metric, value, subprojectName)
+        }
+    }
+
+    internal fun report(sessionLogger: BuildSessionLogger, metric: StringMetrics, value: String, subprojectName: String?) {
+        runSafe("report metric ${metric.name}") {
+            sessionLogger.report(metric, value, subprojectName)
+        }
+    }
+}

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

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin.statistics
+
+import org.gradle.api.invocation.Gradle
+import org.gradle.tooling.events.FinishEvent
+import org.gradle.tooling.events.OperationCompletionListener
+import org.gradle.tooling.events.configuration.ProjectConfigurationFinishEvent
+import org.jetbrains.kotlin.statistics.BuildSessionLogger
+import java.lang.management.ManagementFactory
+import javax.management.MBeanServer
+import javax.management.ObjectName
+
+open class KotlinBuildStatListener(val beanName: ObjectName/*, val gradle: Gradle*/) : OperationCompletionListener, AutoCloseable {
+
+    private var projectEvaluatedTime: Long? = null
+
+    override fun onFinish(event: FinishEvent?) {
+        if (event is ProjectConfigurationFinishEvent) {
+            projectEvaluatedTime = event.eventTime
+        }
+        //todo is it any chance to get failure exception?
+        //todo nothing to do?
+//        KotlinBuildStatHandler.runSafe("${KotlinBuildStatListener::class.java}.onFinish") {
+//
+//
+//            try {
+//                val finishTime = event?.result?.endTime
+//                val startTime = event?.result?.startTime
+//                    report(NumericalMetrics.GRADLE_BUILD_DURATION, finishTime - it.buildStartedTime)
+//                    report(NumericalMetrics.GRADLE_EXECUTION_DURATION, finishTime - it.projectEvaluatedTime)
+//                    report(NumericalMetrics.BUILD_FINISH_TIME, finishTime)
+//            } finally {
+//                val mbs: MBeanServer = ManagementFactory.getPlatformMBeanServer()
+//                if (mbs.isRegistered(beanName)) {
+//                    mbs.unregisterMBean(beanName)
+//                }
+//            }
+//        }
+
+    }
+
+    override fun close() {
+//        val sessionLogger = BuildSessionLogger(gradle.gradleUserHomeDir)
+//        KotlinBuildStatHandler.runSafe("${KotlinBuildStatListener::class.java}.close()") {
+//            try {
+//                try {
+//                    KotlinBuildStatHandler().reportGlobalMetrics(gradle, sessionLogger)
+//                } finally {
+////                    report(NumericalMetrics.GRADLE_BUILD_DURATION, finishTime - it.buildStartedTime)
+////                    report(NumericalMetrics.GRADLE_EXECUTION_DURATION, finishTime - it.projectEvaluatedTime)
+////                    report(NumericalMetrics.BUILD_FINISH_TIME, finishTime)
+//                }
+//
+//            } finally {
+//                val mbs: MBeanServer = ManagementFactory.getPlatformMBeanServer()
+//                if (mbs.isRegistered(beanName)) {
+//                    mbs.unregisterMBean(beanName)
+//                }
+//            }
+//        }
+    }
+}

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

@@ -8,15 +8,13 @@ package org.jetbrains.kotlin.gradle.plugin.statistics
 import org.gradle.BuildAdapter
 import org.gradle.BuildResult
 import org.gradle.api.Project
-import org.gradle.api.artifacts.DependencySet
 import org.gradle.api.invocation.Gradle
 import org.gradle.api.logging.Logging
 import org.gradle.initialization.BuildRequestMetaData
 import org.gradle.invocation.DefaultGradle
-import org.jetbrains.kotlin.gradle.utils.API
-import org.jetbrains.kotlin.gradle.utils.COMPILE
-import org.jetbrains.kotlin.gradle.utils.IMPLEMENTATION
-import org.jetbrains.kotlin.gradle.utils.RUNTIME
+import org.jetbrains.kotlin.gradle.plugin.BuildEventsListenerRegistryHolder
+import org.jetbrains.kotlin.gradle.plugin.statistics.KotlinBuildStatHandler.Companion.runSafe
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
 import org.jetbrains.kotlin.statistics.BuildSessionLogger
 import org.jetbrains.kotlin.statistics.BuildSessionLogger.Companion.STATISTICS_FOLDER_NAME
 import org.jetbrains.kotlin.statistics.metrics.BooleanMetrics
@@ -87,8 +85,10 @@ internal abstract class KotlinBuildStatsService internal constructor() : BuildAd
          */
         @JvmStatic
         @Synchronized
-        internal fun getOrCreateInstance(gradle: Gradle): IStatisticsValuesConsumer? {
+        internal fun getOrCreateInstance(project: Project, listenerRegistryHolder: BuildEventsListenerRegistryHolder): IStatisticsValuesConsumer? {
+
             return runSafe("${KotlinBuildStatsService::class.java}.getOrCreateInstance") {
+                val gradle = project.gradle
                 statisticsIsEnabled = statisticsIsEnabled ?: checkStatisticsEnabled(gradle)
                 if (statisticsIsEnabled != true) {
                     null
@@ -106,13 +106,17 @@ internal abstract class KotlinBuildStatsService internal constructor() : BuildAd
                             )
                             instance = JMXKotlinBuildStatsService(mbs, beanName)
                         } else {
+                            val kotlinBuildStatProvider = project.provider{ KotlinBuildStatListener(beanName) }
                             val newInstance = DefaultKotlinBuildStatsService(gradle, beanName)
+
                             instance = newInstance
                             log.debug("Instantiated ${KotlinBuildStatsService::class.java}: new instance $instance")
                             mbs.registerMBean(StandardMBean(newInstance, KotlinBuildStatsMXBean::class.java), beanName)
                         }
                     }
-                    gradle.addBuildListener(instance)
+                    if (!isConfigurationCacheAvailable(gradle)) {
+                        gradle.addBuildListener(instance)
+                    }
                     instance
                 }
             }
@@ -130,7 +134,7 @@ internal abstract class KotlinBuildStatsService internal constructor() : BuildAd
                     }
                     this.report(NumericalMetrics.STATISTICS_COLLECT_METRICS_OVERHEAD, duration)
                 } catch (e: Throwable) {
-                    logException("Could collect statistics metrics", e)
+                    KotlinBuildStatHandler.logException("Could collect statistics metrics", e)
                 }
             }
         }
@@ -149,21 +153,6 @@ internal abstract class KotlinBuildStatsService internal constructor() : BuildAd
                 gradle.rootProject.properties[ENABLE_STATISTICS_PROPERTY_NAME]?.toString()?.toBoolean() ?: DEFAULT_STATISTICS_STATE
             }
         }
-
-        private fun logException(description: String, e: Throwable) {
-            getLogger().info(description)
-            getLogger().debug(e.message, e)
-        }
-
-        internal fun <T> runSafe(methodName: String, action: () -> T?): T? {
-            return try {
-                getLogger().debug("Executing [$methodName]")
-                action.invoke()
-            } catch (e: Throwable) {
-                logException("Could not execute [$methodName]", e)
-                null
-            }
-        }
     }
 }
 
@@ -212,132 +201,6 @@ internal class DefaultKotlinBuildStatsService internal constructor(
         return (gradle as? DefaultGradle)?.services?.get(BuildRequestMetaData::class.java)?.startTime
     }
 
-    private fun reportLibrariesVersions(dependencies: DependencySet?) {
-        dependencies?.forEach { dependency ->
-            when {
-                dependency.group?.startsWith("org.springframework") ?: false -> sessionLogger.report(
-                    StringMetrics.LIBRARY_SPRING_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group?.startsWith("com.vaadin") ?: false -> sessionLogger.report(
-                    StringMetrics.LIBRARY_VAADIN_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group?.startsWith("com.google.gwt") ?: false -> sessionLogger.report(
-                    StringMetrics.LIBRARY_GWT_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group?.startsWith("org.hibernate") ?: false -> sessionLogger.report(
-                    StringMetrics.LIBRARY_HIBERNATE_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group == "org.jetbrains.kotlin" && dependency.name.startsWith("kotlin-stdlib") -> sessionLogger.report(
-                    StringMetrics.KOTLIN_STDLIB_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group == "org.jetbrains.kotlinx" && dependency.name == "kotlinx-coroutines" -> sessionLogger.report(
-                    StringMetrics.KOTLIN_COROUTINES_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group == "org.jetbrains.kotlin" && dependency.name == "kotlin-reflect" -> sessionLogger.report(
-                    StringMetrics.KOTLIN_REFLECT_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group == "org.jetbrains.kotlinx" && dependency.name
-                    .startsWith("kotlinx-serialization-runtime") -> sessionLogger.report(
-                    StringMetrics.KOTLIN_SERIALIZATION_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-                dependency.group == "com.android.tools.build" && dependency.name.startsWith("gradle") -> sessionLogger.report(
-                    StringMetrics.ANDROID_GRADLE_PLUGIN_VERSION,
-                    dependency.version ?: "0.0.0"
-                )
-            }
-        }
-    }
-
-    private fun reportGlobalMetrics(gradle: Gradle) {
-        System.getProperty("os.name")?.also {
-            sessionLogger.report(StringMetrics.OS_TYPE, System.getProperty("os.name"))
-        }
-        sessionLogger.report(NumericalMetrics.CPU_NUMBER_OF_CORES, Runtime.getRuntime().availableProcessors().toLong())
-        sessionLogger.report(StringMetrics.GRADLE_VERSION, gradle.gradleVersion)
-        sessionLogger.report(BooleanMetrics.EXECUTED_FROM_IDEA, System.getProperty("idea.active") != null)
-        sessionLogger.report(NumericalMetrics.GRADLE_DAEMON_HEAP_SIZE, Runtime.getRuntime().maxMemory())
-        sessionLogger.report(
-            BooleanMetrics.KOTLIN_OFFICIAL_CODESTYLE,
-            gradle.rootProject.properties["kotlin.code.style"] == "official"
-        ) // constants are saved in IDEA plugin and could not be accessed directly
-
-        gradle.taskGraph.whenReady() { taskExecutionGraph ->
-            val executedTaskNames = taskExecutionGraph.allTasks.map { it.name }.distinct()
-            report(BooleanMetrics.COMPILATION_STARTED, executedTaskNames.contains("compileKotlin"))
-            report(BooleanMetrics.TESTS_EXECUTED, executedTaskNames.contains("compileTestKotlin"))
-            report(BooleanMetrics.MAVEN_PUBLISH_EXECUTED, executedTaskNames.contains("install"))
-        }
-
-        fun buildSrcExists(project: Project) = File(project.projectDir, "buildSrc").exists()
-        if (buildSrcExists(gradle.rootProject)) {
-            sessionLogger.report(BooleanMetrics.BUILD_SRC_EXISTS, true)
-        }
-        val statisticOverhead = measureTimeMillis {
-            gradle.allprojects { project ->
-                for (configuration in project.configurations) {
-                    val configurationName = configuration.name
-                    val dependencies = configuration.dependencies
-
-                    when (configurationName) {
-                        "kapt" -> {
-                            sessionLogger.report(BooleanMetrics.ENABLED_KAPT, true)
-                            dependencies?.forEach { dependency ->
-                                when (dependency.group) {
-                                    "com.google.dagger" -> sessionLogger.report(BooleanMetrics.ENABLED_DAGGER, true)
-                                    "com.android.databinding" -> sessionLogger.report(BooleanMetrics.ENABLED_DATABINDING, true)
-                                }
-                            }
-                        }
-                        API -> {
-                            sessionLogger.report(NumericalMetrics.CONFIGURATION_API_COUNT, 1)
-                            reportLibrariesVersions(dependencies)
-                        }
-                        IMPLEMENTATION -> {
-                            sessionLogger.report(NumericalMetrics.CONFIGURATION_IMPLEMENTATION_COUNT, 1)
-                            reportLibrariesVersions(dependencies)
-                        }
-                        COMPILE -> {
-                            sessionLogger.report(NumericalMetrics.CONFIGURATION_COMPILE_COUNT, 1)
-                            reportLibrariesVersions(dependencies)
-                        }
-                        RUNTIME -> {
-                            sessionLogger.report(NumericalMetrics.CONFIGURATION_RUNTIME_COUNT, 1)
-                            reportLibrariesVersions(dependencies)
-                        }
-                    }
-                }
-
-                sessionLogger.report(NumericalMetrics.NUMBER_OF_SUBPROJECTS, 1)
-                sessionLogger.report(BooleanMetrics.KOTLIN_KTS_USED, project.buildscript.sourceFile?.name?.endsWith(".kts") ?: false)
-                sessionLogger.report(NumericalMetrics.GRADLE_NUMBER_OF_TASKS, project.tasks.names.size.toLong())
-                sessionLogger.report(
-                    NumericalMetrics.GRADLE_NUMBER_OF_UNCONFIGURED_TASKS,
-                    project.tasks.names.count { name ->
-                        try {
-                            project.tasks.named(name).javaClass.name.contains("TaskCreatingProvider")
-                        } catch (_: Exception) {
-                            true
-                        }
-                    }.toLong()
-                )
-
-                if (buildSrcExists(project)) {
-                    sessionLogger.report(NumericalMetrics.BUILD_SRC_COUNT, 1)
-                    sessionLogger.report(BooleanMetrics.BUILD_SRC_EXISTS, true)
-                }
-            }
-        }
-        sessionLogger.report(NumericalMetrics.STATISTICS_VISIT_ALL_PROJECTS_OVERHEAD, statisticOverhead)
-    }
-
     override fun projectsEvaluated(gradle: Gradle) {
         runSafe("${DefaultKotlinBuildStatsService::class.java}.projectEvaluated") {
             if (!sessionLogger.isBuildSessionStarted()) {
@@ -351,41 +214,20 @@ internal class DefaultKotlinBuildStatsService internal constructor(
 
     @Synchronized
     override fun buildFinished(result: BuildResult) {
-        runSafe("${DefaultKotlinBuildStatsService::class.java}.buildFinished") {
-            try {
-                try {
-                    val gradle = result.gradle
-                    if (gradle != null) reportGlobalMetrics(gradle)
-                } finally {
-                    sessionLogger.finishBuildSession(result.action, result.failure)
-                }
-            } finally {
-                val mbs: MBeanServer = ManagementFactory.getPlatformMBeanServer()
-                if (mbs.isRegistered(beanName)) {
-                    mbs.unregisterMBean(beanName)
-                }
-                instance = null
-            }
-        }
+        KotlinBuildStatHandler().buildFinished(result.gradle, beanName, sessionLogger, result.action, result.failure)
+        instance = null
     }
 
     override fun report(metric: BooleanMetrics, value: Boolean, subprojectName: String?) {
-        runSafe("report metric ${metric.name}") {
-            sessionLogger.report(metric, value, subprojectName)
-        }
-
+        KotlinBuildStatHandler().report(sessionLogger, metric, value, subprojectName)
     }
 
     override fun report(metric: NumericalMetrics, value: Long, subprojectName: String?) {
-        runSafe("report metric ${metric.name}") {
-            sessionLogger.report(metric, value, subprojectName)
-        }
+        KotlinBuildStatHandler().report(sessionLogger, metric, value, subprojectName)
     }
 
     override fun report(metric: StringMetrics, value: String, subprojectName: String?) {
-        runSafe("report metric ${metric.name}") {
-            sessionLogger.report(metric, value, subprojectName)
-        }
+        KotlinBuildStatHandler().report(sessionLogger, metric, value, subprojectName)
     }
 
     override fun reportBoolean(name: String, value: Boolean, subprojectName: String?) {

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

@@ -16,11 +16,10 @@ import org.jetbrains.kotlin.gradle.logging.kotlinDebug
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider
 import org.jetbrains.kotlin.gradle.plugin.internal.state.TaskExecutionResults
 import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
 import java.io.File
-import java.lang.StringBuilder
 import java.text.SimpleDateFormat
 import java.util.*
-import kotlin.math.max
 
 internal fun configureBuildReporter(gradle: Gradle, log: Logger) {
     val rootProject = gradle.rootProject
@@ -40,8 +39,11 @@ internal fun configureBuildReporter(gradle: Gradle, log: Logger) {
     val ts = SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(Calendar.getInstance().time)
 
     val perfReportFile = perfLogDir.resolve("${gradle.rootProject.name}-build-$ts.txt")
-    val reporter = KotlinBuildReporter(gradle, perfReportFile)
-    gradle.addBuildListener(reporter)
+
+    if (!isConfigurationCacheAvailable(gradle)) {
+        val reporter = KotlinBuildReporter(gradle, perfReportFile)
+        gradle.addBuildListener(reporter)
+    }
 
     val buildReportMode = if (properties.buildReportVerbose) BuildReportMode.VERBOSE else BuildReportMode.SIMPLE
 
@@ -112,94 +114,7 @@ internal class KotlinBuildReporter(
 
     @Synchronized
     override fun buildFinished(result: BuildResult) {
-        val logger = result.gradle?.rootProject?.logger
-        try {
-            perfReportFile.writeText(buildInfo(result) + taskOverview() + tasksSb.toString())
-            logger?.lifecycle("Kotlin build report is written to ${perfReportFile.canonicalPath}")
-        } catch (e: Throwable) {
-            logger?.error("Could not write Kotlin build report to ${perfReportFile.canonicalPath}", e)
-        }
-    }
-
-    private fun buildInfo(result: BuildResult): String {
-        val startParams = arrayListOf<String>()
-        gradle.startParameter.apply {
-            startParams.add("tasks = ${taskRequests.joinToString { it.args.toString() }}")
-            startParams.add("excluded tasks = $excludedTaskNames")
-            startParams.add("current dir = $currentDir")
-            startParams.add("project properties args = $projectProperties")
-            startParams.add("system properties args = $systemPropertiesArgs")
-        }
-
-        return buildString {
-            appendln("Gradle start parameters:")
-            startParams.forEach {
-                appendln("  $it")
-            }
-            if (result.failure != null) {
-                appendln("Build failed: ${result.failure}")
-            }
-            appendln()
-        }
-    }
-
-    private fun taskOverview(): String {
-        if (kotlinTaskTimeNs.isEmpty()) return buildString { appendln("No Kotlin task was run") }
-
-        val sb = StringBuilder()
-        val kotlinTotalTimeNs = kotlinTaskTimeNs.values.sum()
-        val ktTaskPercent = (kotlinTotalTimeNs.toDouble() / allTasksTimeNs * 100).asString(1)
-
-        sb.appendln("Total time for Kotlin tasks: ${formatTime(kotlinTotalTimeNs)} ($ktTaskPercent % of all tasks time)")
-
-        val table = TextTable("Time", "% of Kotlin time", "Task")
-        kotlinTaskTimeNs.entries
-            .sortedByDescending { (_, timeNs) -> timeNs }
-            .forEach { (task, timeNs) ->
-                val percent = (timeNs.toDouble() / kotlinTotalTimeNs * 100).asString(1)
-                table.addRow(formatTime(timeNs), "$percent %", task.path)
-            }
-        table.printTo(sb)
-        sb.appendln()
-        return sb.toString()
-    }
-
-    private fun formatTime(ns: Long): String {
-        val seconds = ns.toDouble() / 1_000_000_000
-        return seconds.asString(2) + " s"
-    }
-
-    private fun Double.asString(decPoints: Int): String =
-        String.format("%.${decPoints}f", this)
-
-    private class TextTable(vararg columnNames: String) {
-        private val rows = ArrayList<List<String>>()
-        private val columnsCount = columnNames.size
-        private val maxLengths = IntArray(columnsCount) { columnNames[it].length }
-
-        init {
-            rows.add(columnNames.toList())
-        }
-
-        fun addRow(vararg row: String) {
-            check(row.size == columnsCount) { "Row size ${row.size} differs from columns count $columnsCount" }
-            rows.add(row.toList())
-
-            for ((i, col) in row.withIndex()) {
-                maxLengths[i] = max(maxLengths[i], col.length)
-            }
-        }
-
-        fun printTo(sb: StringBuilder) {
-            for (row in rows) {
-                sb.appendln()
-                for ((i, col) in row.withIndex()) {
-                    if (i > 0) sb.append("|")
-
-                    sb.append(col.padEnd(maxLengths[i], ' '))
-                }
-            }
-        }
+        KotlinBuildReporterHandler().buildFinished(gradle, perfReportFile, kotlinTaskTimeNs.mapKeys{it.key.path}, allTasksTimeNs, result.failure)
     }
 }
 

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

@@ -0,0 +1,110 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.report
+
+import org.gradle.api.invocation.Gradle
+import java.io.File
+import java.util.*
+import kotlin.math.max
+
+class KotlinBuildReporterHandler {
+    fun buildFinished(
+        gradle: Gradle,
+        perfReportFile: File,
+        kotlinTaskTimeNs: Map<String, Long>,
+        allTasksTimeNs: Long,
+        failure: Throwable? = null
+    ) {
+        val logger = gradle.rootProject.logger
+        try {
+            perfReportFile.writeText(buildInfo(gradle, failure) + taskOverview(kotlinTaskTimeNs, allTasksTimeNs))
+            logger.lifecycle("Kotlin build report is written to ${perfReportFile.canonicalPath}")
+        } catch (e: Throwable) {
+            logger.error("Could not write Kotlin build report to ${perfReportFile.canonicalPath}", e)
+        }
+    }
+
+    private fun buildInfo(gradle: Gradle, failure: Throwable?): String {
+        val startParams = arrayListOf<String>()
+        gradle.startParameter.apply {
+            startParams.add("tasks = ${taskRequests.joinToString { it.args.toString() }}")
+            startParams.add("excluded tasks = $excludedTaskNames")
+            startParams.add("current dir = $currentDir")
+            startParams.add("project properties args = $projectProperties")
+            startParams.add("system properties args = $systemPropertiesArgs")
+        }
+
+        return buildString {
+            appendln("Gradle start parameters:")
+            startParams.forEach {
+                appendln("  $it")
+            }
+            if (failure != null) {
+                appendln("Build failed: ${failure}")
+            }
+            appendln()
+        }
+    }
+
+    internal fun taskOverview(kotlinTaskTimeNs: Map<String, Long>, allTasksTimeNs: Long): String {
+        if (kotlinTaskTimeNs.isEmpty()) return buildString { appendln("No Kotlin task was run") }
+
+        val sb = StringBuilder()
+        val kotlinTotalTimeNs = kotlinTaskTimeNs.values.sum()
+        val ktTaskPercent = (kotlinTotalTimeNs.toDouble() / allTasksTimeNs * 100).asString(1)
+
+        sb.appendln("Total time for Kotlin tasks: ${formatTime(kotlinTotalTimeNs)} ($ktTaskPercent % of all tasks time)")
+
+        val table = TextTable("Time", "% of Kotlin time", "Task")
+        kotlinTaskTimeNs.entries
+            .sortedByDescending { (_, timeNs) -> timeNs }
+            .forEach { (taskPath, timeNs) ->
+                val percent = (timeNs.toDouble() / kotlinTotalTimeNs * 100).asString(1)
+                table.addRow(formatTime(timeNs), "$percent %", taskPath)
+            }
+        table.printTo(sb)
+        sb.appendln()
+        return sb.toString()
+    }
+
+    internal class TextTable(vararg columnNames: String) {
+        private val rows = ArrayList<List<String>>()
+        private val columnsCount = columnNames.size
+        private val maxLengths = IntArray(columnsCount) { columnNames[it].length }
+
+        init {
+            rows.add(columnNames.toList())
+        }
+
+        fun addRow(vararg row: String) {
+            check(row.size == columnsCount) { "Row size ${row.size} differs from columns count $columnsCount" }
+            rows.add(row.toList())
+
+            for ((i, col) in row.withIndex()) {
+                maxLengths[i] = max(maxLengths[i], col.length)
+            }
+        }
+
+        fun printTo(sb: StringBuilder) {
+            for (row in rows) {
+                sb.appendln()
+                for ((i, col) in row.withIndex()) {
+                    if (i > 0) sb.append("|")
+
+                    sb.append(col.padEnd(maxLengths[i], ' '))
+                }
+            }
+        }
+    }
+}
+
+internal fun formatTime(ns: Long): String {
+    val seconds = ns.toDouble() / 1_000_000_000
+    return seconds.asString(2) + " s"
+}
+
+internal fun Double.asString(decPoints: Int): String =
+    String.format("%.${decPoints}f", this)

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

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.report
+
+import com.intellij.util.text.DateFormatUtil.formatTime
+import org.gradle.api.invocation.Gradle
+import org.gradle.tooling.events.FinishEvent
+import org.gradle.tooling.events.OperationCompletionListener
+import org.gradle.tooling.events.task.TaskOperationDescriptor
+import java.io.File
+import java.util.*
+
+class KotlinBuildReporterListener(val gradle: Gradle, val perfReportFile: File) : OperationCompletionListener, AutoCloseable {
+
+    private val kotlinTaskTimeNs = HashMap<String, Long>()
+    internal var allTasksTimeNs: Long = 0L
+
+    override fun onFinish(event: FinishEvent?) {
+        val descriptor = event?.descriptor
+        if (descriptor is TaskOperationDescriptor) {
+            val taskPath = descriptor.taskPath
+            val executionTime = event.result.endTime - event.result.startTime
+            allTasksTimeNs += executionTime
+            kotlinTaskTimeNs[taskPath] = executionTime
+        }
+    }
+
+    override fun close() {
+        KotlinBuildReporterHandler().buildFinished(gradle, perfReportFile, kotlinTaskTimeNs, allTasksTimeNs)
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrLinkWithWorkers.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.gradle.targets.js.ir
 import org.gradle.api.tasks.CacheableTask
 import org.gradle.workers.WorkerExecutor
 import org.jetbrains.kotlin.compilerRunner.GradleCompilerRunnerWithWorkers
+import org.jetbrains.kotlin.gradle.tasks.GradleCompileTaskProvider
 import javax.inject.Inject
 
 @CacheableTask
@@ -16,5 +17,5 @@ internal open class KotlinJsIrLinkWithWorkers
 constructor(
     private val workerExecutor: WorkerExecutor
 ) : KotlinJsIrLink() {
-    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(this, workerExecutor)
+    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(GradleCompileTaskProvider(this), workerExecutor)
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/jvm/KotlinWithJavaTarget.kt

@@ -10,6 +10,7 @@ import org.gradle.api.NamedDomainObjectContainer
 import org.gradle.api.Project
 import org.gradle.api.artifacts.Dependency
 import org.gradle.api.plugins.JavaPlugin
+import org.gradle.api.provider.Provider
 import org.gradle.jvm.tasks.Jar
 import org.jetbrains.kotlin.gradle.dsl.KotlinCommonOptions
 import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
@@ -44,10 +45,12 @@ open class KotlinWithJavaTarget<KotlinOptionsType : KotlinCommonOptions>(
             KotlinWithJavaCompilationFactory(project, this, kotlinOptionsFactory)
         )
 
-    internal val defaultArtifactClassesListFile: File
-        get() {
+    private val layout = project.layout
+
+    internal val defaultArtifactClassesListFile: Provider<File> =
+        layout.buildDirectory.dir(KOTLIN_BUILD_DIR_NAME).map {
             val jarTask = project.tasks.getByName(artifactsTaskName) as Jar
-            return File(File(project.buildDir, KOTLIN_BUILD_DIR_NAME), "${sanitizeFileName(jarTask.archiveFileName.get())}-classes.txt")
+            it.file("${sanitizeFileName(jarTask.archiveFileName.get())}-classes.txt").asFile
         }
 }
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/metadata/KotlinMetadataTargetConfigurator.kt

@@ -457,6 +457,31 @@ class KotlinMetadataTargetConfigurator(kotlinPluginVersion: String) :
                 }
             }
         )
+        /*
+        val transformedFilesByOriginalFiles = project.provider {
+            transformationTaskHolders
+                .flatMap { it.get().filesByOriginalFiles.toList() }
+                .groupBy({ it.first }, valueTransform = { it.second })
+        }
+
+        val builtBySet = mutableSetOf<FileCollection>()
+        val resultFiles = project.files(Callable {
+            val originalFiles = fromFiles.toSet()
+            val filesToAdd = mutableSetOf<File>()
+            val filesToExclude = mutableSetOf<File>()
+
+            transformedFilesByOriginalFiles.get().forEach { (original, replacement) ->
+                if (original.all { it in originalFiles }) {
+                    builtBySet.addAll(replacement)
+                    filesToAdd += replacement.flatMap { it.files }
+                    filesToExclude += original
+                }
+            }
+
+            originalFiles - filesToExclude + filesToAdd
+        })
+        return resultFiles.builtBy(builtBySet)
+         */
     }
 
     private fun createCommonMainElementsConfiguration(target: KotlinMetadataTarget) {

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/KotlinNativeCompilation.kt

@@ -10,9 +10,7 @@ import groovy.lang.Closure
 import org.gradle.api.Action
 import org.gradle.api.NamedDomainObjectContainer
 import org.gradle.api.Project
-import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.file.FileCollection
-import org.gradle.api.file.SourceDirectorySet
 import org.gradle.api.tasks.TaskProvider
 import org.gradle.util.ConfigureUtil
 import org.jetbrains.kotlin.gradle.dsl.KotlinCommonOptions

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/KotlinNativeTargetConfigurator.kt

@@ -156,7 +156,7 @@ open class KotlinNativeTargetConfigurator<T : KotlinNativeTarget>(
         val compileTaskProvider = registerTask<KotlinNativeCompile>(
             compilation.compileKotlinTaskName
         ) {
-            it.compilation = compilation
+            it.compilation.set(compilation)
             it.group = BasePlugin.BUILD_GROUP
             it.description = "Compiles a klibrary from the '${compilation.name}' " +
                     "compilation for target '${compilation.platformType.name}'."

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/KotlinNativeTargetPreset.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.gradle.targets.native.internal.PlatformLibrariesGene
 import org.jetbrains.kotlin.gradle.targets.native.internal.setUpKotlinNativePlatformDependencies
 import org.jetbrains.kotlin.gradle.utils.NativeCompilerDownloader
 import org.jetbrains.kotlin.gradle.utils.SingleActionPerProject
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
 import org.jetbrains.kotlin.konan.CompilerVersion
 import org.jetbrains.kotlin.konan.target.HostManager
 import org.jetbrains.kotlin.konan.target.KonanTarget
@@ -89,11 +90,9 @@ abstract class AbstractKotlinNativeTargetPreset<T : KotlinNativeTarget>(
         createTargetConfigurator().configureTarget(result)
 
         SingleActionPerProject.run(project, "setUpKotlinNativePlatformDependencies") {
-            project.gradle.addListener(object : BuildAdapter() {
-                override fun projectsEvaluated(gradle: Gradle) {
-                    project.setUpKotlinNativePlatformDependencies()
-                }
-            })
+            project.gradle.projectsEvaluated {
+                project.setUpKotlinNativePlatformDependencies()
+            }
         }
 
         if (!konanTarget.enabledOnCurrentHost) {

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/cocoapods/KotlinCocoapodsPlugin.kt

@@ -8,11 +8,9 @@ package org.jetbrains.kotlin.gradle.plugin.cocoapods
 
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.gradle.api.Task
 import org.gradle.api.provider.Provider
 import org.gradle.api.tasks.Sync
 import org.gradle.api.tasks.TaskProvider
-import org.jetbrains.kotlin.gradle.tasks.registerTask
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 import org.jetbrains.kotlin.gradle.dsl.multiplatformExtension
 import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
@@ -20,10 +18,7 @@ import org.jetbrains.kotlin.gradle.plugin.addExtension
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
 import org.jetbrains.kotlin.gradle.plugin.whenEvaluated
 import org.jetbrains.kotlin.gradle.targets.native.tasks.*
-import org.jetbrains.kotlin.gradle.tasks.DefFileTask
-import org.jetbrains.kotlin.gradle.tasks.DummyFrameworkTask
-import org.jetbrains.kotlin.gradle.tasks.FatFrameworkTask
-import org.jetbrains.kotlin.gradle.tasks.PodspecTask
+import org.jetbrains.kotlin.gradle.tasks.*
 import org.jetbrains.kotlin.gradle.utils.asValidTaskName
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
 import org.jetbrains.kotlin.konan.target.HostManager

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/performance/KotlinPerformancePlugin.kt

@@ -16,8 +16,8 @@ import org.jetbrains.kotlin.gradle.plugin.addExtension
 import org.jetbrains.kotlin.gradle.plugin.mpp.disambiguateName
 import org.jetbrains.kotlin.gradle.targets.native.tasks.NativePerformanceReport
 import org.jetbrains.kotlin.gradle.tasks.registerTask
+import org.jetbrains.kotlin.gradle.utils.isConfigurationCacheAvailable
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
-import java.io.File
 import java.util.concurrent.ConcurrentHashMap
 
 class TaskTime(val startTime: Long) {
@@ -66,17 +66,26 @@ open class KotlinPerformancePlugin : Plugin<Project> {
 
     private fun configureTasks(project: Project, performanceExtension: PerformanceExtension) {
         // Add time listener.
-        val timeListener = TaskTimerListener(project)
-        project.gradle.addListener(timeListener)
-        performanceExtension.trackedBinaries.forEach { binary ->
-            val perfReport = project.registerTask<NativePerformanceReport>(binary.target.disambiguateName(lowerCamelCaseName("perfReport", binary.name))) {
-                it.binary = binary
-                it.settings = performanceExtension
-                it.timeListener = timeListener
-                it.group = TASK_GROUP
-                it.description = "Report performance measurement results for binary '${binary.name}' of target '${binary.target.name}'."
+        if (!isConfigurationCacheAvailable(project.gradle)) {
+            val timeListener = TaskTimerListener(project)
+            project.gradle.addListener(timeListener)
+            performanceExtension.trackedBinaries.forEach { binary ->
+                val perfReport = project.registerTask<NativePerformanceReport>(
+                    binary.target.disambiguateName(
+                        lowerCamelCaseName(
+                            "perfReport",
+                            binary.name
+                        )
+                    )
+                ) {
+                    it.binary = binary
+                    it.settings = performanceExtension
+                    it.timeListener = timeListener
+                    it.group = TASK_GROUP
+                    it.description = "Report performance measurement results for binary '${binary.name}' of target '${binary.target.name}'."
+                }
+                binary.linkTaskProvider.configure { linkTask -> linkTask.finalizedBy(perfReport) }
             }
-            binary.linkTaskProvider.configure { linkTask -> linkTask.finalizedBy(perfReport) }
         }
     }
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/KotlinNativePerformanceTask.kt

@@ -70,15 +70,15 @@ open class NativePerformanceReport : DefaultTask() {
     }
 
     private fun getPerformanceCompilerOptions() =
-        (compilerFlagsFromBinary() + binary.linkTask.compilation.kotlinOptions.freeCompilerArgs)
+        (compilerFlagsFromBinary() + binary.linkTask.compilation.get().kotlinOptions.freeCompilerArgs)
             .filter { it in listOf("-g", "-opt", "-Xg0") }.map { "\"$it\"" }
 
     @TaskAction
     fun generate() {
         val compileTasks = if (settings.includeAssociatedTasks)
-            getAllExecutedTasks(binary.linkTask.compilation)
+            getAllExecutedTasks(binary.linkTask.compilation.get())
         else
-            listOf(binary.linkTask.compilation.compileKotlinTask)
+            listOf(binary.linkTask.compilation.get().compileKotlinTask)
         val allExecutedTasks = listOf(binary.linkTask) + compileTasks
         val upToDateTasks = allExecutedTasks.filter { it.state.upToDate }.map { it.name }
         if (upToDateTasks.isNotEmpty()) {

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/KotlinNativeTasks.kt

@@ -13,8 +13,8 @@ import org.gradle.api.artifacts.*
 import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.file.FileCollection
 import org.gradle.api.file.FileTree
-import org.gradle.api.file.SourceDirectorySet
 import org.gradle.api.logging.Logger
+import org.gradle.api.provider.Property
 import org.gradle.api.provider.Provider
 import org.gradle.api.tasks.*
 import org.gradle.api.tasks.compile.AbstractCompile
@@ -26,12 +26,12 @@ import org.jetbrains.kotlin.gradle.dsl.NativeCacheKind
 import org.jetbrains.kotlin.gradle.internal.ensureParentDirsCreated
 import org.jetbrains.kotlin.gradle.plugin.LanguageSettingsBuilder
 import org.jetbrains.kotlin.gradle.plugin.cocoapods.asValidFrameworkName
-import org.jetbrains.kotlin.gradle.plugin.getKotlinPluginVersion
 import org.jetbrains.kotlin.gradle.plugin.mpp.*
 import org.jetbrains.kotlin.gradle.plugin.sources.DefaultLanguageSettingsBuilder
 import org.jetbrains.kotlin.gradle.targets.native.internal.isAllowCommonizer
 import org.jetbrains.kotlin.gradle.utils.getValue
 import org.jetbrains.kotlin.gradle.utils.klibModuleName
+import org.jetbrains.kotlin.gradle.utils.newProperty
 import org.jetbrains.kotlin.gradle.utils.listFilesOrEmpty
 import org.jetbrains.kotlin.konan.library.KLIB_INTEROP_IR_PROVIDER_IDENTIFIER
 import org.jetbrains.kotlin.konan.properties.saveToFile
@@ -112,7 +112,7 @@ private fun Collection<File>.filterKlibsPassedToCompiler(project: Project) = fil
 }
 
 // endregion
-abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : AbstractCompile() {
+abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions, K : AbstractKotlinNativeCompilation> : AbstractCompile() {
 
     init {
         sourceCompatibility = "1.6"
@@ -120,7 +120,7 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
     }
 
     @get:Internal
-    abstract val compilation: AbstractKotlinNativeCompilation
+    abstract val compilation: Provider<K>
 
     // region inputs/outputs
     @get:Input
@@ -136,20 +136,21 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
     abstract val baseName: String
 
     // Inputs and outputs
-    val libraries: FileCollection
-        @InputFiles get() =
-            // Avoid resolving these dependencies during task graph construction when we can't build the target:
-            if (compilation.konanTarget.enabledOnCurrentHost)
-                compilation.compileDependencyFiles.filterOutPublishableInteropLibs(project)
-            else project.files()
+    @get:InputFiles
+    val libraries: FileCollection by project.provider {
+        // Avoid resolving these dependencies during task graph construction when we can't build the target:
+        if (compilation.get().konanTarget.enabledOnCurrentHost)
+            compilation.get().compileDependencyFiles.filterOutPublishableInteropLibs(project)
+        else project.files()
+    }
 
     override fun getClasspath(): FileCollection = libraries
     override fun setClasspath(configuration: FileCollection?) {
         throw UnsupportedOperationException("Setting classpath directly is unsupported.")
     }
 
-    val target: String
-        @Input get() = compilation.konanTarget.name
+    @get:Input
+    val target: String by project.provider { compilation.get().konanTarget.name }
 
     // region Compiler options.
     @get:Internal
@@ -158,11 +159,12 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
     abstract fun kotlinOptions(fn: Closure<*>)
 
     @get:Input
-    abstract val additionalCompilerOptions: Collection<String>
+    abstract val additionalCompilerOptions: Provider<Collection<String>>
 
     @get:Internal
-    val languageSettings: LanguageSettingsBuilder
-        get() = compilation.defaultSourceSet.languageSettings
+    val languageSettings: LanguageSettingsBuilder by lazy {
+        compilation.get().defaultSourceSet.languageSettings
+    }
 
     @get:Input
     val progressiveMode: Boolean
@@ -170,8 +172,8 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
     // endregion.
 
     @get:Input
-    val enableEndorsedLibs: Boolean
-        get() = compilation.enableEndorsedLibs
+    val enableEndorsedLibs by
+    project.provider { compilation.map { it.enableEndorsedLibs }.get() }
 
     val kotlinNativeVersion: String
         @Input get() = project.konanVersion.toString()
@@ -179,11 +181,11 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
     // OutputFile is located under the destinationDir, so there is no need to register it as a separate output.
     @Internal
     val outputFile: Provider<File> = project.provider {
-        val konanTarget = compilation.konanTarget
+        val konanTarget = compilation.get().konanTarget
 
         val prefix = outputKind.prefix(konanTarget)
         val suffix = outputKind.suffix(konanTarget)
-        val filename = "$prefix$baseName$suffix".let {
+        val filename = "$prefix${baseName}$suffix".let {
             when {
                 outputKind == FRAMEWORK ->
                     it.asValidFrameworkName()
@@ -241,10 +243,10 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
         addKey("-progressive", progressiveMode)
 
         if (!defaultsOnly) {
-            addAll(additionalCompilerOptions)
+            addAll(additionalCompilerOptions.get())
         }
 
-        (compilation.defaultSourceSet.languageSettings as? DefaultLanguageSettingsBuilder)?.run {
+        (compilation.get().defaultSourceSet.languageSettings as? DefaultLanguageSettingsBuilder)?.run {
             addAll(freeCompilerArgs)
         }
     }
@@ -274,7 +276,7 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
         addArg("-target", target)
         addArg("-p", outputKind.name.toLowerCase())
 
-        if (compilation is KotlinSharedNativeCompilation) {
+        if (compilation.get() is KotlinSharedNativeCompilation) {
             add("-Xexpect-actual-linker")
             add("-Xmetadata-klib")
             addArg("-manifest", manifestFile.get().absolutePath)
@@ -301,7 +303,7 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
         val output = outputFile.get()
         output.parentFile.mkdirs()
 
-        if (compilation is KotlinSharedNativeCompilation) {
+        if (compilation.get() is KotlinSharedNativeCompilation) {
             val manifestFile: File = manifestFile.get()
             manifestFile.ensureParentDirsCreated()
             val properties = java.util.Properties()
@@ -316,9 +318,12 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
 /**
  * A task producing a klibrary from a compilation.
  */
-open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions>(), KotlinCompile<KotlinCommonOptions> {
+open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions, AbstractKotlinNativeCompilation>(),
+    KotlinCompile<KotlinCommonOptions> {
     @Internal
-    final override lateinit var compilation: AbstractKotlinNativeCompilation
+    @Transient // can't be serialized for Gradle configuration avoidance
+    final override val compilation: Property<AbstractKotlinNativeCompilation> =
+        project.newProperty()
 
     @get:Input
     override val outputKind = LIBRARY
@@ -330,8 +335,11 @@ open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions
     override val debuggable = true
 
     @get:Internal
-    override val baseName: String
-        get() = if (compilation.isMain()) project.name else "${project.name}_${compilation.name}"
+    override val baseName: String by
+    compilation.map { if (it.isMain()) project.name else "${project.name}_${it.name}" }
+
+    // Store as an explicit provider in order to allow Gradle Instant Execution to capture the state
+//    private val allSourceProvider = compilation.map { project.files(it.allSources).asFileTree }
 
     @get:Input
     val moduleName: String by project.provider {
@@ -347,13 +355,21 @@ open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions
     @get:Internal // these sources are normally a subset of `source` ones which are already tracked
     val commonSources: ConfigurableFileCollection = project.files()
 
+//    private val commonSources: FileCollection by lazy {
+//        // Already taken into account in getSources method.
+//        project.files(compilation.map { it.commonSources }).asFileTree
+//    }
+
     private val commonSourcesTree: FileTree
         get() = commonSources.asFileTree
 
-    private val friendModule: FileCollection?
-        get() = project.files(
-            project.provider { compilation.associateWithTransitiveClosure.map { it.output.allOutputs } + compilation.friendArtifacts }
+
+    private val friendModule: FileCollection by compilation.map { compilationInstance ->
+        project.files(
+            compilationInstance.associateWithTransitiveClosure.map { it.output.allOutputs },
+            compilationInstance.friendArtifacts
         )
+    }
     // endregion.
 
     // region Language settings imported from a SourceSet.
@@ -372,11 +388,12 @@ open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions
 
     // region Kotlin options.
     override val kotlinOptions: KotlinCommonOptions
-        get() = compilation.kotlinOptions
+        get() = compilation.get().kotlinOptions
 
     @get:Input
-    override val additionalCompilerOptions: Collection<String>
-        get() = kotlinOptions.freeCompilerArgs
+    override val additionalCompilerOptions: Provider<Collection<String>> = project.provider {
+        kotlinOptions.freeCompilerArgs
+    }
 
     override fun kotlinOptions(fn: KotlinCommonOptions.() -> Unit) {
         kotlinOptions.fn()
@@ -409,7 +426,7 @@ open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions
         // Configure FQ module name to avoid cyclic dependencies in klib manifests (see KT-36721).
         addArg("-module-name", moduleName)
         add("-Xshort-module-name=$shortModuleName")
-        val friends = friendModule?.files
+        val friends = friendModule.files
         if (friends != null && friends.isNotEmpty()) {
             addArg("-friend-modules", friends.map { it.absolutePath }.joinToString(File.pathSeparator))
         }
@@ -427,22 +444,23 @@ open class KotlinNativeCompile : AbstractKotlinNativeCompile<KotlinCommonOptions
 /**
  * A task producing a final binary from a compilation.
  */
-open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOptions>() {
+open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOptions, KotlinNativeCompilation>() {
+
+    @get:Internal
+    @Transient // can't be serialized for Gradle configuration avoidance
+    final override val compilation: Property<KotlinNativeCompilation> = project.newProperty() { binary.compilation }
 
     init {
-        dependsOn(project.provider { compilation.compileKotlinTask })
+        dependsOn(project.provider { compilation.get().compileKotlinTask })
     }
 
     @Internal
+    @Transient
     lateinit var binary: NativeBinary
 
-    @get:Internal
-    override val compilation: KotlinNativeCompilation
-        get() = binary.compilation
-
     @Internal // Taken into account by getSources().
-    val intermediateLibrary: Provider<File> = project.provider {
-        compilation.compileKotlinTask.outputFile.get()
+    val intermediateLibrary: Provider<File> = compilation.map { compilationInstance ->
+        compilationInstance.compileKotlinTask.outputFile.get()
     }
 
     @InputFiles
@@ -459,27 +477,23 @@ open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOption
         binary.outputDirectory = destinationDir
     }
 
-    @get:Input
     override val outputKind: CompilerOutputKind
-        get() = binary.outputKind.compilerOutputKind
+        @Input get() = binary.outputKind.compilerOutputKind
 
-    @get:Input
     override val optimized: Boolean
-        get() = binary.optimized
+        @Input get() = binary.optimized
 
-    @get:Input
     override val debuggable: Boolean
-        get() = binary.debuggable
+        @Input get() = binary.debuggable
 
-    @get:Internal
     override val baseName: String
-        get() = binary.baseName
+        @Input get() = binary.baseName
 
     @get:Input
     protected val konanCacheKind: NativeCacheKind
         get() = project.konanCacheKind
 
-    inner class NativeLinkOptions: KotlinCommonToolOptions {
+    inner class NativeLinkOptions : KotlinCommonToolOptions {
         override var allWarningsAsErrors: Boolean = false
         override var suppressWarnings: Boolean = false
         override var verbose: Boolean = false
@@ -488,8 +502,9 @@ open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOption
 
     // We propagate compilation free args to the link task for now (see KT-33717).
     @get:Input
-    override val additionalCompilerOptions: Collection<String>
-        get() = kotlinOptions.freeCompilerArgs + compilation.kotlinOptions.freeCompilerArgs
+    override val additionalCompilerOptions: Provider<Collection<String>> = compilation.map { compilationInstance ->
+        kotlinOptions.freeCompilerArgs + compilationInstance.kotlinOptions.freeCompilerArgs
+    }
 
     override val kotlinOptions: KotlinCommonToolOptions = NativeLinkOptions()
 
@@ -503,18 +518,16 @@ open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOption
     }
 
     // Binary-specific options.
-    @get:Optional
-    @get:Input
     val entryPoint: String?
+        @Input
+        @Optional
         get() = (binary as? Executable)?.entryPoint
 
-    @get:Input
     val linkerOpts: List<String>
-        get() = binary.linkerOpts
+        @Input get() = binary.linkerOpts
 
-    @get:Input
     val processTests: Boolean
-        get() = binary is TestExecutable
+        @Input get() = binary is TestExecutable
 
     @get:InputFiles
     val exportLibraries: FileCollection
@@ -527,12 +540,14 @@ open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOption
         }
 
     @get:Input
-    val isStaticFramework: Boolean
-        get() = binary.let { it is Framework && it.isStatic }
+    val isStaticFramework: Boolean by project.provider {
+        binary.let { it is Framework && it.isStatic }
+    }
 
     @get:Input
-    val embedBitcode: Framework.BitcodeEmbeddingMode
-        get() = (binary as? Framework)?.embedBitcode ?: Framework.BitcodeEmbeddingMode.DISABLE
+    val embedBitcode: Framework.BitcodeEmbeddingMode by project.provider {
+        (binary as? Framework)?.embedBitcode ?: Framework.BitcodeEmbeddingMode.DISABLE
+    }
 
     override fun buildCompilerArgs(): List<String> = mutableListOf<String>().apply {
         addAll(super.buildCompilerArgs())
@@ -569,9 +584,12 @@ open class KotlinNativeLink : AbstractKotlinNativeCompile<KotlinCommonToolOption
     override fun buildSourceArgs(): List<String> =
         listOf("-Xinclude=${intermediateLibrary.get().absolutePath}")
 
+    @get:Internal
+    val apiFilesProvider = compilation.map {project.configurations.getByName(it.apiConfigurationName).files.filterKlibsPassedToCompiler(project)}
+
     private fun validatedExportedLibraries() {
         val exportConfiguration = exportLibraries as? Configuration ?: return
-        val apiFiles = project.configurations.getByName(compilation.apiConfigurationName).files.filterKlibsPassedToCompiler(project)
+        val apiFiles = apiFilesProvider.get()
 
         val failed = mutableSetOf<Dependency>()
         exportConfiguration.allDependencies.forEach {
@@ -765,7 +783,11 @@ internal class CacheBuilder(val project: Project, val binary: NativeBinary) {
     private val String.cachedName
         get() = getCacheFileName(this, konanCacheKind)
 
-    private fun ensureCompilerProvidedLibPrecached(platformLibName: String, platformLibs: Map<String, File>, visitedLibs: MutableSet<String>) {
+    private fun ensureCompilerProvidedLibPrecached(
+        platformLibName: String,
+        platformLibs: Map<String, File>,
+        visitedLibs: MutableSet<String>
+    ) {
         if (platformLibName in visitedLibs)
             return
         visitedLibs += platformLibName

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

@@ -11,6 +11,7 @@ import org.gradle.api.plugins.JavaPluginConvention
 import org.gradle.api.tasks.*
 import org.jetbrains.kotlin.gradle.dsl.KotlinSingleJavaTargetExtension
 import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
+import org.jetbrains.kotlin.gradle.utils.isGradleVersionAtLeast
 import org.jetbrains.kotlin.gradle.utils.newProperty
 import java.io.File
 
@@ -27,18 +28,35 @@ internal open class InspectClassesForMultiModuleIC : DefaultTask() {
     @Suppress("MemberVisibilityCanBePrivate")
     @get:OutputFile
     internal val classesListFile: File by lazy {
-        (project.kotlinExtension as KotlinSingleJavaTargetExtension).target.defaultArtifactClassesListFile
+        (project.kotlinExtension as KotlinSingleJavaTargetExtension).target.defaultArtifactClassesListFile.get()
     }
 
+    @get:InputFiles
+    internal val sourceSetOutputClassesDir by lazy {
+        project.convention.findPlugin(JavaPluginConvention::class.java)?.sourceSets?.findByName(sourceSetName)?.output?.classesDirs
+    }
+
+    @get:Internal
+    internal val fileTrees
+        get() = sourceSetOutputClassesDir?.map {
+            if (isGradleVersionAtLeast(6, 0)) {
+                objects.fileTree().from(it).include("**/*.class")
+            } else {
+                project.fileTree(it).include("**/*.class")
+            }
+        }
+
+    @get:Internal
+    internal val objects = project.objects
+
     @Suppress("MemberVisibilityCanBePrivate")
     @get:InputFiles
     internal val classFiles: FileCollection
         get() {
-            val convention = project.convention.findPlugin(JavaPluginConvention::class.java)
-            val sourceSet = convention?.sourceSets?.findByName(sourceSetName) ?: return project.files()
-
-            val fileTrees = sourceSet.output.classesDirs.map { project.fileTree(it).include("**/*.class") }
-            return project.files(fileTrees)
+            if (sourceSetOutputClassesDir != null) {
+                return objects.fileCollection().from(fileTrees)
+            }
+            return objects.fileCollection()
         }
 
     @TaskAction

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

@@ -96,7 +96,7 @@ open class KotlinCompileCommon : AbstractKotlinCompile<K2MetadataCompilerArgumen
     override fun callCompilerAsync(args: K2MetadataCompilerArguments, sourceRoots: SourceRoots, changedFiles: ChangedFiles) {
         val messageCollector = GradlePrintingMessageCollector(logger, args.allWarningsAsErrors)
         val outputItemCollector = OutputItemsCollectorImpl()
-        val compilerRunner = compilerRunner()
+        val compilerRunner = compilerRunner
         val environment = GradleCompilerEnvironment(
             computedCompilerClasspath, messageCollector, outputItemCollector,
             buildReportMode = buildReportMode,

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

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.gradle.tasks
 import org.gradle.api.Project
 import org.gradle.api.Task
 import org.gradle.api.file.FileCollection
+import org.gradle.api.logging.Logger
 import org.gradle.api.provider.Provider
 import org.gradle.api.tasks.*
 import org.gradle.api.tasks.compile.AbstractCompile
@@ -20,6 +21,7 @@ import org.jetbrains.kotlin.cli.common.arguments.CommonToolArguments
 import org.jetbrains.kotlin.cli.common.arguments.K2JSCompilerArguments
 import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
 import org.jetbrains.kotlin.compilerRunner.*
+import org.jetbrains.kotlin.compilerRunner.GradleCompilerRunner.Companion.normalizeForFlagFile
 import org.jetbrains.kotlin.daemon.common.MultiModuleICSettings
 import org.jetbrains.kotlin.gradle.dsl.*
 import org.jetbrains.kotlin.gradle.incremental.ChangedFiles
@@ -35,8 +37,12 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.AbstractKotlinCompilation
 import org.jetbrains.kotlin.gradle.plugin.mpp.associateWithTransitiveClosure
 import org.jetbrains.kotlin.gradle.plugin.mpp.ownModuleName
 import org.jetbrains.kotlin.gradle.report.BuildReportMode
-import org.jetbrains.kotlin.gradle.utils.*
+import org.jetbrains.kotlin.gradle.utils.getValue
+import org.jetbrains.kotlin.gradle.utils.isParentOf
+import org.jetbrains.kotlin.gradle.utils.pathsAsStringRelativeTo
+import org.jetbrains.kotlin.gradle.utils.toSortedPathsArray
 import org.jetbrains.kotlin.incremental.ChangedFiles
+import org.jetbrains.kotlin.incremental.IncrementalModuleInfo
 import org.jetbrains.kotlin.library.impl.isKotlinLibrary
 import org.jetbrains.kotlin.utils.JsLibraryUtils
 import java.io.File
@@ -87,7 +93,7 @@ abstract class AbstractKotlinCompileTool<T : CommonToolArguments>
 
     @get:Classpath
     @get:InputFiles
-    internal val computedCompilerClasspath: List<File> by project.provider {
+    internal val computedCompilerClasspath: List<File> by lazy {
         compilerClasspath?.takeIf { it.isNotEmpty() }
             ?: compilerJarFile?.let {
                 // a hack to remove compiler jar from the cp, will be dropped when compilerJarFile will be removed
@@ -113,19 +119,51 @@ abstract class AbstractKotlinCompileTool<T : CommonToolArguments>
     protected abstract fun findKotlinCompilerClasspath(project: Project): List<File>
 }
 
+public class GradleCompileTaskProvider {
+
+    constructor(task: Task) {
+        buildDir = task.project.buildDir
+        projectDir = task.project.rootProject.projectDir
+        rootDir = task.project.rootProject.rootDir
+        sessionsDir = GradleCompilerRunner.sessionsDir(task.project)
+        projectName = task.project.rootProject.name.normalizeForFlagFile()
+        buildModulesInfo = GradleCompilerRunner.buildModulesInfo(task.project.gradle)
+        path = task.path
+        logger = task.logger
+
+    }
+
+    val path: String
+    val logger: Logger
+    val buildDir: File /*= project.buildDir*/
+    val projectDir: File /*= project.rootProject.projectDir*/
+    val rootDir: File /*= project.rootProject.rootDir*/
+    val sessionsDir: File/* = GradleCompilerRunner.sessionsDir(project)*/
+    val projectName: String /*= project.rootProject.name.normalizeForFlagFile()*/
+    val buildModulesInfo: IncrementalModuleInfo /*= GradleCompilerRunner.buildModulesInfo(project.gradle)*/
+}
+
 abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKotlinCompileTool<T>() {
 
     init {
         cacheOnlyIfEnabledForKotlin()
     }
 
+    @get:Internal
+    private val layout = project.layout
+
     // avoid creating directory in getter: this can lead to failure in parallel build
     @get:LocalState
-    internal val taskBuildDirectory: File by project.provider {
-        File(File(project.buildDir, KOTLIN_BUILD_DIR_NAME), name)
-    }
+    internal val taskBuildDirectory: File by layout.buildDirectory.dir(KOTLIN_BUILD_DIR_NAME).map { it.file(name).asFile }
 
-    override fun localStateDirectories(): FileCollection = project.files(taskBuildDirectory)
+
+    @get:Internal
+    internal val projectObjects = project.objects
+
+    @get:LocalState
+    internal val localStateDirectoriesProvider: FileCollection = projectObjects.fileCollection().from(taskBuildDirectory)
+
+    override fun localStateDirectories(): FileCollection = localStateDirectoriesProvider
 
     // indicates that task should compile kotlin incrementally if possible
     // it's not possible when IncrementalTaskInputs#isIncremental returns false (i.e first build)
@@ -147,9 +185,7 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
     internal var buildReportMode: BuildReportMode? = null
 
     @get:Internal
-    internal val taskData: KotlinCompileTaskData by project.provider {
-        KotlinCompileTaskData.get(project, name)
-    }
+    internal val taskData: KotlinCompileTaskData = KotlinCompileTaskData.get(project, name)
 
     @get:Input
     internal open var useModuleDetection: Boolean
@@ -162,11 +198,9 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
     protected val multiModuleICSettings: MultiModuleICSettings
         get() = MultiModuleICSettings(taskData.buildHistoryFile, useModuleDetection)
 
-    @get:Classpath
     @get:InputFiles
-    val pluginClasspath: FileCollection by project.provider {
-        project.configurations.getByName(PLUGIN_CLASSPATH_CONFIGURATION_NAME)
-    }
+    @get:Classpath
+    val pluginClasspath: FileCollection = project.configurations.getByName(PLUGIN_CLASSPATH_CONFIGURATION_NAME)
 
     @get:Internal
     internal val pluginOptions = CompilerPluginOptions()
@@ -175,10 +209,13 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
     @get:InputFiles
     protected val additionalClasspath = arrayListOf<File>()
 
+    @get:Internal
+    internal val objects = project.objects
+
     // Store this file collection before it is filtered by File::exists to ensure that Gradle Instant execution doesn't serialize the
     // filtered files, losing those that don't exist yet and will only be created during build
     private val compileClasspathImpl by project.provider {
-        classpath + project.files(additionalClasspath)
+        classpath + objects.fileCollection().from(additionalClasspath)
     }
 
     @get:Internal // classpath already participates in the checks
@@ -197,8 +234,9 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
         sourceFilesExtensionsSources.add(extensions)
     }
 
-    private val kotlinExt: KotlinProjectExtension
-        get() = project.extensions.findByType(KotlinProjectExtension::class.java)!!
+    @get:Internal
+    @field:Transient
+    internal val kotlinExtProvider: KotlinProjectExtension = project.extensions.findByType(KotlinProjectExtension::class.java)!!
 
     override fun getDestinationDir(): File =
         taskData.destinationDir.get()
@@ -218,13 +256,13 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
     @get:Internal
     internal var coroutinesFromGradleProperties: Coroutines? = null
     // Input is needed to force rebuild even if source files are not changed
-    @get:Input
-    internal val coroutinesStr: String
-        get() = coroutines.name
 
-    @get:Internal
-    internal val coroutines: Coroutines by project.provider {
-        kotlinExt.experimental.coroutines
+    @get:Input
+    internal val coroutinesStr: Provider<String> = project.provider {coroutines.get().name}
+
+    @get:Input
+    internal val coroutines: Provider<Coroutines> = project.provider {
+        kotlinExtProvider.experimental.coroutines
             ?: coroutinesFromGradleProperties
             ?: Coroutines.DEFAULT
     }
@@ -242,7 +280,7 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
 
     @get:InputFiles
     @get:PathSensitive(PathSensitivity.RELATIVE)
-    internal var commonSourceSet: FileCollection = project.files()
+    internal var commonSourceSet: FileCollection = project.files() //TODO
 
     @get:Input
     internal val moduleName: String by project.provider {
@@ -262,8 +300,10 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
 
     private val kotlinLogger by lazy { GradleKotlinLogger(logger) }
 
-    internal open fun compilerRunner(): GradleCompilerRunner =
-        GradleCompilerRunner(this)
+    @get:Internal
+    internal val compilerRunner by lazy { compilerRunner() }
+
+    internal open fun compilerRunner(): GradleCompilerRunner = GradleCompilerRunner(GradleCompileTaskProvider(this))
 
     @TaskAction
     fun execute(inputs: IncrementalTaskInputs) {
@@ -297,6 +337,9 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
         return !inputs.isIncremental && getSourceRoots().kotlinSourceFiles.isEmpty()
     }
 
+    @get:Internal
+    private val projectDir = project.rootProject.projectDir
+
     private fun executeImpl(inputs: IncrementalTaskInputs) {
         // Check that the JDK tools are available in Gradle (fail-fast, instead of a fail during the compiler run):
         findToolsJar()
@@ -304,7 +347,7 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
         val sourceRoots = getSourceRoots()
         val allKotlinSources = sourceRoots.kotlinSourceFiles
 
-        logger.kotlinDebug { "All kotlin sources: ${allKotlinSources.pathsAsStringRelativeTo(project.rootProject.projectDir)}" }
+        logger.kotlinDebug { "All kotlin sources: ${allKotlinSources.pathsAsStringRelativeTo(projectDir)}" }
 
         if (skipCondition(inputs)) {
             // Skip running only if non-incremental run. Otherwise, we may need to do some cleanup.
@@ -327,13 +370,14 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
      */
     internal abstract fun callCompilerAsync(args: T, sourceRoots: SourceRoots, changedFiles: ChangedFiles)
 
+    @get:Input
+    internal val isMultiplatform: Boolean by lazy { project.plugins.any { it is KotlinPlatformPluginBase || it is KotlinMultiplatformPluginWrapper } }
+
     @get:Internal
-    internal val isMultiplatform: Boolean by project.provider {
-        project.plugins.any { it is KotlinPlatformPluginBase || it is KotlinMultiplatformPluginWrapper }
-    }
+    internal val abstractKotlinCompileArgumentsContributor by lazy { AbstractKotlinCompileArgumentsContributor(KotlinCompileArgumentsProvider(this)) }
 
     override fun setupCompilerArgs(args: T, defaultsOnly: Boolean, ignoreClasspathResolutionErrors: Boolean) {
-        AbstractKotlinCompileArgumentsContributor(thisTaskProvider).contributeArguments(
+        abstractKotlinCompileArgumentsContributor.contributeArguments(
             args,
             compilerArgumentsConfigurationFlags(defaultsOnly, ignoreClasspathResolutionErrors)
         )
@@ -350,6 +394,45 @@ abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractKo
     }
 }
 
+open class KotlinCompileArgumentsProvider<T : AbstractKotlinCompile<out CommonCompilerArguments>>(taskProvider: T) {
+
+    val coroutines: Provider<Coroutines>
+    val logger: Logger
+    val isMultiplatform: Boolean
+    val pluginClasspath: FileCollection
+    val pluginOptions: CompilerPluginOptions
+
+    init {
+        coroutines = taskProvider.coroutines
+        logger = taskProvider.logger
+        isMultiplatform = taskProvider.isMultiplatform
+        pluginClasspath = taskProvider.pluginClasspath
+        pluginOptions = taskProvider.pluginOptions
+    }
+}
+
+class KotlinJvmCompilerArgumentsProvider
+    (taskProvider: KotlinCompile) : KotlinCompileArgumentsProvider<KotlinCompile>(taskProvider) {
+
+    val moduleName: String
+    val friendPaths: Array<String>
+    val compileClasspath: Iterable<File>
+    val destinationDir: File
+    internal val kotlinOptions: List<KotlinJvmOptionsImpl?>
+
+    init {
+//        super(taskProvider)
+        moduleName = taskProvider.moduleName
+        friendPaths = taskProvider.friendPaths
+        compileClasspath = taskProvider.compileClasspath
+        destinationDir = taskProvider.destinationDir
+        kotlinOptions = listOfNotNull(
+            taskProvider.parentKotlinOptionsImpl as KotlinJvmOptionsImpl?,
+            taskProvider.kotlinOptions as KotlinJvmOptionsImpl
+        )
+    }
+}
+
 internal inline val <reified T : Task> T.thisTaskProvider: TaskProvider<out T>
     get() = checkNotNull(project.locateTask<T>(name))
 
@@ -397,8 +480,8 @@ open class KotlinCompile : AbstractKotlinCompile<K2JVMCompilerArguments>(), Kotl
     }
 
     @get:Internal
-    internal val compilerArgumentsContributor: CompilerArgumentsContributor<K2JVMCompilerArguments> by project.provider {
-        KotlinJvmCompilerArgumentsContributor(thisTaskProvider)
+    internal val compilerArgumentsContributor: CompilerArgumentsContributor<K2JVMCompilerArguments> by lazy {
+        KotlinJvmCompilerArgumentsContributor(KotlinJvmCompilerArgumentsProvider(this))
     }
 
     @Internal
@@ -409,7 +492,7 @@ open class KotlinCompile : AbstractKotlinCompile<K2JVMCompilerArguments>(), Kotl
 
         val messageCollector = GradlePrintingMessageCollector(logger, args.allWarningsAsErrors)
         val outputItemCollector = OutputItemsCollectorImpl()
-        val compilerRunner = compilerRunner()
+        val compilerRunner = compilerRunner
 
         val icEnv = if (isIncrementalCompilationEnabled()) {
             logger.info(USING_JVM_INCREMENTAL_COMPILATION_MESSAGE)
@@ -417,7 +500,7 @@ open class KotlinCompile : AbstractKotlinCompile<K2JVMCompilerArguments>(), Kotl
                 if (hasFilesInTaskBuildDirectory()) changedFiles else ChangedFiles.Unknown(),
                 taskBuildDirectory,
                 usePreciseJavaTracking = usePreciseJavaTracking,
-                disableMultiModuleIC = disableMultiModuleIC(),
+                disableMultiModuleIC = disableMultiModuleIC,
                 multiModuleICSettings = multiModuleICSettings
             )
         } else null
@@ -439,31 +522,32 @@ open class KotlinCompile : AbstractKotlinCompile<K2JVMCompilerArguments>(), Kotl
         )
     }
 
-    private fun disableMultiModuleIC(): Boolean {
-        if (!isIncrementalCompilationEnabled() || javaOutputDir == null) return false
+    @get:Input
+    val disableMultiModuleIC: Boolean by lazy {
+        if (!isIncrementalCompilationEnabled() || javaOutputDir == null) {
+            false
+        } else {
 
-        var illegalTaskOrNull: AbstractCompile? = null
-
-        project.tasks.configureEach {
-            if (it is AbstractCompile &&
-                it !is JavaCompile &&
-                it !is AbstractKotlinCompile<*> &&
-                javaOutputDir!!.isParentOf(it.destinationDir)
-            ) {
-                illegalTaskOrNull = illegalTaskOrNull ?: it
+            var illegalTaskOrNull: AbstractCompile? = null
+            project.tasks.configureEach {
+                if (it is AbstractCompile &&
+                    it !is JavaCompile &&
+                    it !is AbstractKotlinCompile<*> &&
+                    javaOutputDir!!.isParentOf(it.destinationDir)
+                ) {
+                    illegalTaskOrNull = illegalTaskOrNull ?: it
+                }
             }
+            if (illegalTaskOrNull != null) {
+                val illegalTask = illegalTaskOrNull!!
+                logger.info(
+                    "Kotlin inter-project IC is disabled: " +
+                            "unknown task '$illegalTask' destination dir ${illegalTask.destinationDir} " +
+                            "intersects with java destination dir $javaOutputDir"
+                )
+            }
+            illegalTaskOrNull != null
         }
-
-        illegalTaskOrNull?.let { illegalTask ->
-            logger.info(
-                "Kotlin inter-project IC is disabled: " +
-                        "unknown task '$illegalTask' destination dir ${illegalTask.destinationDir} " +
-                        "intersects with java destination dir $javaOutputDir"
-            )
-            return true
-        }
-
-        return false
     }
 
     // override setSource to track source directory sets and files (for generated android folders)
@@ -483,21 +567,26 @@ open class KotlinCompile : AbstractKotlinCompile<K2JVMCompilerArguments>(), Kotl
 internal open class KotlinCompileWithWorkers @Inject constructor(
     private val workerExecutor: WorkerExecutor
 ) : KotlinCompile() {
-    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(this, workerExecutor)
+
+    @get:Internal
+    val compilerRunnerValue = GradleCompilerRunnerWithWorkers(GradleCompileTaskProvider(this), workerExecutor)
+
+    override fun compilerRunner() = compilerRunnerValue
 }
 
 @CacheableTask
 internal open class Kotlin2JsCompileWithWorkers @Inject constructor(
     private val workerExecutor: WorkerExecutor
 ) : Kotlin2JsCompile() {
-    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(this, workerExecutor)
+
+    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(GradleCompileTaskProvider(this), workerExecutor)
 }
 
 @CacheableTask
 internal open class KotlinCompileCommonWithWorkers @Inject constructor(
     private val workerExecutor: WorkerExecutor
 ) : KotlinCompileCommon() {
-    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(this, workerExecutor)
+    override fun compilerRunner() = GradleCompilerRunnerWithWorkers(GradleCompileTaskProvider(this), workerExecutor)
 }
 
 @CacheableTask
@@ -507,8 +596,7 @@ open class Kotlin2JsCompile : AbstractKotlinCompile<K2JSCompilerArguments>(), Ko
         incremental = true
     }
 
-    override val kotlinOptions: KotlinJsOptions
-        get() = taskData.compilation.kotlinOptions as KotlinJsOptions
+    override val kotlinOptions = taskData.compilation.kotlinOptions as KotlinJsOptions
 
     @get:Internal
     protected val defaultOutputFile: File
@@ -601,6 +689,9 @@ open class Kotlin2JsCompile : AbstractKotlinCompile<K2JSCompilerArguments>(), Ko
             JsLibraryUtils::isKotlinJavascriptLibrary
         }
 
+    @get:Internal
+    internal val absolutePathProvider = project.projectDir.absolutePath
+
     override fun callCompilerAsync(args: K2JSCompilerArguments, sourceRoots: SourceRoots, changedFiles: ChangedFiles) {
         sourceRoots as SourceRoots.KotlinOnly
 
@@ -624,14 +715,14 @@ open class Kotlin2JsCompile : AbstractKotlinCompile<K2JSCompilerArguments>(), Ko
         args.friendModules = friendDependencies.joinToString(File.pathSeparator)
 
         if (args.sourceMapBaseDirs == null && !args.sourceMapPrefix.isNullOrEmpty()) {
-            args.sourceMapBaseDirs = project.projectDir.absolutePath
+            args.sourceMapBaseDirs = absolutePathProvider
         }
 
         logger.kotlinDebug("compiling with args ${ArgumentUtils.convertArgumentsToStringList(args)}")
 
         val messageCollector = GradlePrintingMessageCollector(logger, args.allWarningsAsErrors)
         val outputItemCollector = OutputItemsCollectorImpl()
-        val compilerRunner = compilerRunner()
+        val compilerRunner = compilerRunner
 
         val icEnv = if (isIncrementalCompilationEnabled()) {
             logger.info(USING_JS_INCREMENTAL_COMPILATION_MESSAGE)

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

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.gradle.utils
 
+import org.gradle.api.invocation.Gradle
 import org.gradle.util.GradleVersion
 
 internal data class ParsedGradleVersion(val major: Int, val minor: Int) : Comparable<ParsedGradleVersion> {
@@ -56,4 +57,12 @@ internal data class ParsedGradleVersion(val major: Int, val minor: Int) : Compar
 
 fun isGradleVersionAtLeast(major: Int, minor: Int) =
     ParsedGradleVersion.parse(GradleVersion.current().version)
-        ?.let { it >= ParsedGradleVersion(major, minor) } ?: false
+        ?.let { it >= ParsedGradleVersion(major, minor) } ?: false
+
+fun isConfigurationCacheAvailable(gradle: Gradle) =
+    try {
+        val startParameters = gradle.startParameter
+        startParameters.javaClass.getMethod("isConfigurationCache").invoke(startParameters) as? Boolean
+    } catch (_: Exception) {
+        null
+    } ?: false

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

@@ -6,7 +6,6 @@
 package org.jetbrains.kotlin.gradle.utils
 
 import org.gradle.api.Project
-import org.gradle.api.file.RegularFile
 import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.provider.Property
 import org.gradle.api.provider.Provider
@@ -20,14 +19,6 @@ internal operator fun <T> Property<T>.setValue(thisRef: Any?, property: KPropert
     set(value)
 }
 
-internal fun <T : Any> Project.newProperty(initialize: (() -> T)? = null): Property<T> =
-    @Suppress("UNCHECKED_CAST")
-    // use Any and not T::class to allow using lists and maps as the property type, which is otherwise not allowed
-    (project.objects.property(Any::class.java) as Property<T>).apply {
-        if (initialize != null)
-            set(provider(initialize))
-    }
-
 private class OptionalProviderDelegate<T>(private val provider: Provider<T?>) : ReadOnlyProperty<Any?, T?> {
     override fun getValue(thisRef: Any?, property: KProperty<*>): T? =
         if (provider.isPresent)
@@ -38,6 +29,13 @@ private class OptionalProviderDelegate<T>(private val provider: Provider<T?>) :
 internal fun <T> Project.optionalProvider(initialize: () -> T?): ReadOnlyProperty<Any?, T?> =
     OptionalProviderDelegate(provider(initialize))
 
+internal fun <T : Any> Project.newProperty(initialize: (() -> T)? = null): Property<T> =
+    @Suppress("UNCHECKED_CAST")
+    (project.objects.property(Any::class.java) as Property<T>).apply {
+        if (initialize != null)
+            set(provider(initialize))
+    }
+
 // Before 5.0 fileProperty is created via ProjectLayout
 // https://docs.gradle.org/current/javadoc/org/gradle/api/model/ObjectFactory.html#fileProperty--
 internal fun Project.newFileProperty(initialize: (() -> File)? = null): RegularFileProperty {