Gradle: Don't use the deprecated "layout" method for Ivy repos

Issue #KT-30258 fixed

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

@@ -1303,6 +1303,8 @@ class NewMultiplatformIT : BaseGradleIT() {
             build("tasks") {
                 assertSuccessful()
                 assertTrue(output.contains("Kotlin/Native distribution: "))
+                // Check for KT-30258.
+                assertFalse(output.contains("Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0."))
             }
 
             build("tasks", "-Pkotlin.native.restrictedDistribution=true") {
@@ -1348,6 +1350,17 @@ class NewMultiplatformIT : BaseGradleIT() {
                 assertContains("Project property 'org.jetbrains.kotlin.native.version' is deprecated")
             }
         }
+
+        // Gradle 5.0 introduced a new API for Ivy repository layouts.
+        // MPP plugin uses this API to download K/N if Gradle version is >= 5.0.
+        // Check this too (see KT-30258).
+        with(Project("new-mpp-native-libraries", GradleVersionRequired.AtLeast("5.0"))) {
+            build("tasks", "-Pkotlin.native.version=1.3.50-eap-11606") {
+                assertSuccessful()
+                assertTrue(output.contains("Kotlin/Native distribution: "))
+                assertFalse(output.contains("Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0."))
+            }
+        }
     }
 
     @Test

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsSetupTask.kt

@@ -7,6 +7,7 @@ import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
 import org.jetbrains.kotlin.gradle.logging.kotlinInfo
 import org.jetbrains.kotlin.gradle.utils.isGradleVersionAtLeast
+import org.jetbrains.kotlin.gradle.utils.patternLayoutCompatible
 import java.io.File
 import java.net.URI
 
@@ -35,14 +36,9 @@ open class NodeJsSetupTask : DefaultTask() {
             repo.name = "Node Distributions at ${settings.nodeDownloadBaseUrl}"
             repo.url = URI(settings.nodeDownloadBaseUrl)
 
-            if (isGradleVersionAtLeast(5, 0)) {
-                repo.patternLayout { layout ->
-                    configureNodeJsIvyPatternLayout(layout)
-                }
-            } else {
-                repo.layout("pattern") { layout ->
-                    configureNodeJsIvyPatternLayout(layout as IvyPatternRepositoryLayout)
-                }
+            repo.patternLayoutCompatible {
+                artifact("v[revision]/[artifact](-v[revision]-[classifier]).[ext]")
+                ivy("v[revision]/ivy.xml")
             }
             repo.metadataSources { it.artifact() }
 
@@ -66,11 +62,6 @@ open class NodeJsSetupTask : DefaultTask() {
         }
     }
 
-    private fun configureNodeJsIvyPatternLayout(layout: IvyPatternRepositoryLayout) {
-        layout.artifact("v[revision]/[artifact](-v[revision]-[classifier]).[ext]")
-        layout.ivy("v[revision]/ivy.xml")
-    }
-
     private fun unpackNodeArchive(archive: File, destination: File) {
         project.logger.kotlinInfo("Unpacking $archive to $destination")
 

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

@@ -6,8 +6,10 @@
 @file:Suppress("PackageDirectoryMismatch") // Old package for compatibility
 package org.jetbrains.kotlin.gradle.utils
 
+import org.gradle.api.Action
 import org.gradle.api.Project
 import org.gradle.api.artifacts.repositories.ArtifactRepository
+import org.gradle.api.artifacts.repositories.IvyArtifactRepository
 import org.gradle.api.artifacts.repositories.IvyPatternRepositoryLayout
 import org.gradle.api.file.FileTree
 import org.gradle.api.logging.Logger
@@ -80,9 +82,8 @@ class NativeCompilerDownloader(
     private fun setupRepo(repoUrl: String): ArtifactRepository {
         return project.repositories.ivy { repo ->
             repo.setUrl(repoUrl)
-            repo.layout("pattern") {
-                val layout = it as IvyPatternRepositoryLayout
-                layout.artifact("[artifact]-[revision].[ext]")
+            repo.patternLayoutCompatible {
+                artifact("[artifact]-[revision].[ext]")
             }
             repo.metadataSources {
                 it.artifact()

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

@@ -16,8 +16,11 @@
 
 package org.jetbrains.kotlin.gradle.utils
 
+import org.gradle.api.Action
 import org.gradle.api.GradleException
 import org.gradle.api.Task
+import org.gradle.api.artifacts.repositories.IvyArtifactRepository
+import org.gradle.api.artifacts.repositories.IvyPatternRepositoryLayout
 import org.gradle.api.tasks.TaskInputs
 import org.gradle.api.tasks.TaskOutputs
 import org.gradle.api.tasks.bundling.AbstractArchiveTask
@@ -73,4 +76,15 @@ internal fun AbstractArchiveTask.setArchiveClassifierCompatible(classifierProvid
         @Suppress("DEPRECATION")
         classifier = classifierProvider()
     }
+}
+
+internal fun IvyArtifactRepository.patternLayoutCompatible(config: IvyPatternRepositoryLayout.() -> Unit) {
+    if (isGradleVersionAtLeast(5, 0)) {
+        patternLayout(config)
+    } else {
+        // The "layout" method is planned to be removed in Gradle 6.0. Access it using reflection.
+        javaClass
+            .getMethod("layout", String::class.java, Action::class.java)
+            .invoke(this, "pattern", Action<IvyPatternRepositoryLayout> { it.config() })
+    }
 }