Apply atomicfu compiler plugin directly in buildscript classpath.

atomicfu-gradle-plugin/build.gradle

@@ -23,7 +23,7 @@ dependencies {
     compileOnly "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     // Atomicfu compiler plugin dependency will be loaded to kotlinCompilerPluginClasspath
     // Atomicfu plugin will only be applied if the flag is set kotlinx.atomicfu.enableJsIrTransformation=true
-    implementation "org.jetbrains.kotlin:atomicfu:$kotlin_version"
+    compileOnly "org.jetbrains.kotlin:atomicfu:$kotlin_version"
 
     testImplementation gradleTestKit()
     testImplementation 'org.jetbrains.kotlin:kotlin-test'

atomicfu-gradle-plugin/src/main/kotlin/kotlinx/atomicfu/plugin/gradle/AtomicFUGradlePlugin.kt

@@ -45,12 +45,35 @@ open class AtomicFUGradlePlugin : Plugin<Project> {
         val pluginVersion = rootProject.buildscript.configurations.findByName("classpath")
             ?.allDependencies?.find { it.name == "atomicfu-gradle-plugin" }?.version
         extensions.add(EXTENSION_NAME, AtomicFUPluginExtension(pluginVersion))
+        checkClasspathForAtomicfuCompilerPlugin(pluginVersion)
         applyAtomicfuCompilerPlugin()
         configureDependencies()
         configureTasks()
     }
 }
 
+private fun Project.checkClasspathForAtomicfuCompilerPlugin(pluginVersion: String?) {
+    val kotlinVersion = getKotlinPluginVersion()
+    rootProject.buildscript.configurations.findByName("classpath")
+        ?.allDependencies?.find { it.group == "org.jetbrains.kotlin" && it.name == "atomicfu" }
+        ?: error("Please add a dependency to the atomicfu compiler plugin in the buildscript classpath configuration, " + 
+            "in addition to the atomicfu-gradle-plugin dependency:\n" +
+            "```\n" +    
+            "buildscript {\n" +
+            "    repositories {\n" +
+            "        mavenCentral() \n" +
+            "    }\n" +
+            "\n" +
+            "    dependencies {\n" +
+            "        classpath(\"org.jetbrains.kotlinx:atomicfu-gradle-plugin:$pluginVersion\")\n" +
+            "        classpath(\"org.jetbrains.kotlin:atomicfu:$kotlinVersion\")\n" +
+            "    }\n" +
+            "}\n\n" + 
+            "apply(plugin = \"kotlinx-atomicfu\")\n" +
+            "```\n"
+        )
+}
+
 private fun Project.checkCompatibility() {
     val currentGradleVersion = GradleVersion.current()
     val kotlinVersion = getKotlinVersion()
@@ -204,8 +227,6 @@ private fun Project.addJsCompilerPluginRuntimeDependency() {
                         if (getKotlinVersion().atLeast(1, 7, 10)) {
                             // since Kotlin 1.7.10 `kotlinx-atomicfu-runtime` is published and should be added directly
                             implementation("org.jetbrains.kotlin:kotlinx-atomicfu-runtime:${getKotlinPluginVersion()}")
-                        } else {
-                            implementation("org.jetbrains.kotlin:atomicfu:${getKotlinPluginVersion()}")
                         }
                     }
                 }

atomicfu-maven-plugin/build.gradle

@@ -10,7 +10,7 @@ apply from: rootProject.file('gradle/compile-options.gradle')
 ext.configureKotlin()
 
 dependencies {
-    api "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    compileOnly "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     api project(":atomicfu-transformer")
     api "org.apache.maven:maven-core:$maven_version"
     api "org.apache.maven:maven-plugin-api:$maven_version"

atomicfu-transformer/build.gradle

@@ -9,7 +9,7 @@ apply from: rootProject.file('gradle/compile-options.gradle')
 ext.configureKotlin()
 
 dependencies {
-    api "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    compileOnly "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     api "org.ow2.asm:asm:$asm_version"
     api "org.ow2.asm:asm-commons:$asm_version"
     api "org.ow2.asm:asm-tree:$asm_version"

atomicfu/build.gradle

@@ -50,7 +50,8 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                implementation 'org.jetbrains.kotlin:kotlin-stdlib-common'
+                compileOnly 'org.jetbrains.kotlin:kotlin-stdlib'
+                compileOnly 'org.jetbrains.kotlin:kotlin-stdlib-common'
             }
         }
         commonTest {
@@ -67,7 +68,8 @@ kotlin {
         jsMain {
             dependsOn(sourceSets.jsAndWasmSharedMain)
             dependencies {
-                implementation 'org.jetbrains.kotlin:kotlin-stdlib-js'
+                compileOnly 'org.jetbrains.kotlin:kotlin-stdlib-js'
+                compileOnly 'org.jetbrains.kotlin:kotlin-dom-api-compat'
             }
         }
         jsTest {
@@ -79,7 +81,7 @@ kotlin {
         wasmJsMain {
             dependsOn(sourceSets.jsAndWasmSharedMain)
             dependencies {
-                implementation 'org.jetbrains.kotlin:kotlin-stdlib-wasm-js'
+                compileOnly 'org.jetbrains.kotlin:kotlin-stdlib-wasm-js'
             }
         }
 
@@ -92,7 +94,7 @@ kotlin {
         wasmWasiMain {
             dependsOn(sourceSets.jsAndWasmSharedMain)
             dependencies {
-                implementation 'org.jetbrains.kotlin:kotlin-stdlib-wasm-wasi'
+                compileOnly 'org.jetbrains.kotlin:kotlin-stdlib-wasm-wasi'
             }
         }
         wasmWasiTest {
@@ -103,7 +105,7 @@ kotlin {
 
         jvmMain {
             dependencies {
-                implementation 'org.jetbrains.kotlin:kotlin-stdlib'
+                compileOnly 'org.jetbrains.kotlin:kotlin-stdlib'
             }
         }
         jvmTest {

gradle/publish-mpp-root-module-in-platform.gradle

@@ -25,18 +25,21 @@ project.ext.publishPlatformArtifactsInRootModule = { MavenPublication platformPu
                 root.appendNode("packaging", "pom")
 
                 // Remove the original platform dependencies and add a single dependency on the platform module:
-                Node dependencies = (root.get("dependencies") as NodeList).get(0) as Node
-                dependencies.children().toList().each { dependencies.remove(it as Node) }
-                Node singleDependency = dependencies.appendNode("dependency")
-                singleDependency.appendNode("groupId", platformPublication.groupId)
-                singleDependency.appendNode("artifactId", platformPublication.artifactId)
-                singleDependency.appendNode("version", platformPublication.version)
-                singleDependency.appendNode("scope", "compile")
+                def allDependencies = (root.get("dependencies") as NodeList)
+                if (!allDependencies.isEmpty()) {
+                    Node dependencies = allDependencies.get(0) as Node
+                    dependencies.children().toList().each { dependencies.remove(it as Node) }
+                    Node singleDependency = dependencies.appendNode("dependency")
+                    singleDependency.appendNode("groupId", platformPublication.groupId)
+                    singleDependency.appendNode("artifactId", platformPublication.artifactId)
+                    singleDependency.appendNode("version", platformPublication.version)
+                    singleDependency.appendNode("scope", "compile")
+                }
             }
         }
 
         tasks.matching { it.name == "generatePomFileForKotlinMultiplatformPublication"}.configureEach {
             dependsOn(tasks["generatePomFileFor${platformPublication.name.capitalize()}Publication"])
         }
     }
-}
+}

integration-testing/build.gradle.kts

@@ -63,8 +63,7 @@ val mavenTest by tasks.registering(Test::class) {
 val functionalTest by tasks.registering(Test::class) {
     testClassesDirs = sourceSets["functionalTest"].output.classesDirs
     classpath = sourceSets["functionalTest"].runtimeClasspath
-
-    systemProperties["kotlinVersion"] = kotlin_version
+
     systemProperties["atomicfuVersion"] = atomicfu_snapshot_version
 
     dependsOn(":atomicfu-gradle-plugin:publishToMavenLocal")

integration-testing/examples/jvm-sample/build.gradle.kts

@@ -1,10 +1,14 @@
 buildscript {
     repositories {
         mavenLocal()
+        mavenCentral()
     }
 
     dependencies {
-        classpath("org.jetbrains.kotlinx:atomicfu-gradle-plugin:${libs.versions.atomicfuVersion.get()}")
+        val atomicfuVersion = libs.versions.atomicfuVersion.get()
+        val kotlinVersion = libs.versions.kotlinVersion.get()
+        classpath("org.jetbrains.kotlinx:atomicfu-gradle-plugin:$atomicfuVersion")
+        classpath("org.jetbrains.kotlin:atomicfu:$kotlinVersion")
     }
 }
 

integration-testing/examples/jvm-sample/gradle.properties

@@ -1,5 +1,5 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=1.9.20
+kotlin_version=1.9.21
 atomicfu_version=0.23.1-SNAPSHOT

integration-testing/examples/mpp-sample/build.gradle.kts

@@ -1,15 +1,17 @@
 /*
  * Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
-
 buildscript {
     repositories {
         mavenLocal()
         mavenCentral()
     }
 
     dependencies {
-        classpath("org.jetbrains.kotlinx:atomicfu-gradle-plugin:${libs.versions.atomicfuVersion.get()}")
+        val atomicfuVersion = libs.versions.atomicfuVersion.get()
+        val kotlinVersion = libs.versions.kotlinVersion.get()
+        classpath("org.jetbrains.kotlinx:atomicfu-gradle-plugin:$atomicfuVersion")
+        classpath("org.jetbrains.kotlin:atomicfu:$kotlinVersion")
     }
 }
 

integration-testing/examples/mpp-sample/gradle.properties

@@ -1,5 +1,5 @@
 ##
 ## Copyright 2016-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 ##
-kotlin_version=1.9.20
+kotlin_version=1.9.21
 atomicfu_version=0.23.1-SNAPSHOT

integration-testing/src/functionalTest/kotlin/kotlinx.atomicfu.gradle.plugin.test/cases/smoke/DependencyCheckerTest.kt

@@ -5,6 +5,7 @@
 package kotlinx.atomicfu.gradle.plugin.test.cases.smoke
 
 import kotlinx.atomicfu.gradle.plugin.test.framework.runner.BuildResult
+import kotlinx.atomicfu.gradle.plugin.test.framework.runner.atomicfuVersion
 import java.io.File
 import kotlin.test.*
 
@@ -17,7 +18,7 @@ class DependencyParserSmokeTest {
             "Root project 'jvm-sample'\n" +
             "------------------------------------------------------------\n" +
             "compileClasspath - Compile classpath for null/main.\n" +
-            "+--- org.jetbrains.kotlinx:atomicfu-jvm:0.23.1-SNAPSHOT\n" +
+            "+--- org.jetbrains.kotlinx:atomicfu-jvm:$atomicfuVersion\n" +
             "+--- org.jetbrains.kotlin:kotlin-stdlib:1.9.0\n" +
             "|    +--- org.jetbrains.kotlin:kotlin-stdlib-common:1.9.0\n" +
             "|    \\--- org.jetbrains:annotations:13.0\n" +
@@ -28,10 +29,10 @@ class DependencyParserSmokeTest {
             "          \\--- org.hamcrest:hamcrest-core:1.3\n" +
             "\n" +
             "compileOnly - Compile only dependencies for null/main. (n)\n" +
-            "\\--- org.jetbrains.kotlinx:atomicfu-jvm:0.23.1-SNAPSHOT (n)\n" +
+            "\\--- org.jetbrains.kotlinx:atomicfu-jvm:$atomicfuVersion (n)\n" +
             "\n" +
             "compileOnlyDependenciesMetadata\n" +
-            "\\--- org.jetbrains.kotlinx:atomicfu-jvm:0.23.1-SNAPSHOT\n" +
+            "\\--- org.jetbrains.kotlinx:atomicfu-jvm:$atomicfuVersion\n" +
             "\n" +
             "default - Configuration for default artifacts. (n)\n" +
             "No dependencies\n" +
@@ -73,7 +74,7 @@ class DependencyParserSmokeTest {
         )
         assertEquals(
             listOf(
-                "org.jetbrains.kotlinx:atomicfu-jvm:0.23.1-SNAPSHOT",
+                "org.jetbrains.kotlinx:atomicfu-jvm:$atomicfuVersion",
                 "org.jetbrains.kotlin:kotlin-stdlib:1.9.0",
                 "org.jetbrains.kotlin:kotlin-stdlib-common:1.9.0",
                 "org.jetbrains:annotations:13.0",

integration-testing/src/functionalTest/kotlin/kotlinx.atomicfu.gradle.plugin.test/framework/runner/BuildRunner.kt

@@ -14,8 +14,6 @@ internal class GradleBuild(val projectName: String, val targetDir: File) {
 
     private val properties
         get() = buildList {
-            add("-P$KOTLIN_VERSION=$kotlinVersion")
-            add("-P${ATOMICFU_VERSION}=$atomicfuVersion")
             add("-P$ENABLE_JVM_IR_TRANSFORMATION=$enableJvmIrTransformation")
             add("-P$ENABLE_JS_IR_TRANSFORMATION=$enableJsIrTransformation")
             add("-P$ENABLE_NATIVE_IR_TRANSFORMATION=$enableNativeIrTransformation")

integration-testing/src/functionalTest/kotlin/kotlinx.atomicfu.gradle.plugin.test/framework/runner/Environment.kt

@@ -14,7 +14,6 @@ internal const val ENABLE_NATIVE_IR_TRANSFORMATION = "kotlinx.atomicfu.enableNat
 internal const val DUMMY_VERSION = "DUMMY_VERSION"
 
 internal val atomicfuVersion = System.getProperty("atomicfuVersion")
-internal val kotlinVersion = System.getProperty("kotlinVersion")
 
 internal val gradleWrapperDir = File("..")