Yarn manipulation in build script

- Remove yarn folder in task inside build script to not import GradleUserHomeLookup
- Check yarn folder existence in task inside build script

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kotlin2JsGradlePluginIT.kt

@@ -1,7 +1,6 @@
 package org.jetbrains.kotlin.gradle
 
 import org.gradle.api.logging.LogLevel
-import org.gradle.wrapper.GradleUserHomeLookup
 import org.jetbrains.kotlin.gradle.tasks.USING_JS_INCREMENTAL_COMPILATION_MESSAGE
 import org.jetbrains.kotlin.gradle.util.getFileByName
 import org.jetbrains.kotlin.gradle.util.getFilesByNames
@@ -421,18 +420,16 @@ class Kotlin2JsGradlePluginIT : BaseGradleIT() {
         gradleBuildScript().modify(::transformBuildScriptWithPluginsDsl)
         gradleSettingsScript().modify(::transformBuildScriptWithPluginsDsl)
 
-        GradleUserHomeLookup.gradleUserHome().resolve("yarn").deleteRecursively()
+        build("yarnFolderRemove") {
+            assertSuccessful()
+        }
 
-        build("kotlinYarnSetup") {
+        build("kotlinYarnSetup", "yarnFolderCheck") {
             assertSuccessful()
 
             assertTasksExecuted(
-                ":kotlinYarnSetup"
+                ":kotlinYarnSetup",
-            )
+                ":yarnFolderCheck"
-
-            assertFileExists(
-                path = GradleUserHomeLookup.gradleUserHome().resolve("yarn").canonicalPath,
-                inWorkingDir = false
             )
         }
     }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/yarn-setup/build.gradle.kts

@@ -14,6 +14,24 @@ repositories {
 
 yarn
 
+tasks {
+    val yarnFolderRemove by registering {
+        doLast {
+            yarn.installationDir.deleteRecursively()
+        }
+    }
+
+    val yarnFolderCheck by registering {
+        dependsOn(getByName("kotlinYarnSetup"))
+
+        doLast {
+            if (!yarn.installationDir.exists()) {
+                throw GradleException()
+            }
+        }
+    }
+}
+
 kotlin.sourceSets {
     getByName("main") {
         dependencies {