Disable Compose Hot Reload for Kotlin versions less than 2.1.20 (#5476)

Fixes [CMP-9205](https://youtrack.jetbrains.com/issue/CMP-9205)

## Release Notes
N/A

Author: pjBooms

gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/desktop/application/internal/configureHotReload.kt

@@ -3,10 +3,24 @@ package org.jetbrains.compose.desktop.application.internal
 import org.gradle.api.Project
 import org.jetbrains.compose.internal.KOTLIN_JVM_PLUGIN_ID
 import org.jetbrains.compose.internal.KOTLIN_MPP_PLUGIN_ID
+import org.jetbrains.compose.internal.Version
 import org.jetbrains.compose.internal.mppExt
+import org.jetbrains.kotlin.gradle.plugin.KotlinBasePlugin
 import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
 
-private fun Project.applyHotReload() {
+private const val minimalKotlinVersionForCHR = "2.1.20"
+
+private const val minimalKotlinVersionForCHRWarning = "w: " +
+        "Compose Hot Reload is disabled. To make use of it, you need to be on Kotlin $minimalKotlinVersionForCHR or higher."
+
+private fun Project.applyHotReload(kgp: KotlinBasePlugin) {
+    // check minimal kotlin version requirement
+    val kgpVersion = kgp.pluginVersion
+    if (Version.fromString(kgpVersion) < Version.fromString(minimalKotlinVersionForCHR)) {
+        logger.warn(minimalKotlinVersionForCHRWarning)
+        return
+    }
+
     // We add an explicit runtime dependency to the Compose Hot Reload Gradle plugin of a
     // specific preferred version (https://docs.gradle.org/current/userguide/dependency_versions.html),
     // so we are able to apply the plugin by id here at least of that preferred version
@@ -17,13 +31,13 @@ private fun Project.applyHotReload() {
 
 fun Project.configureHotReload() {
     if (!ComposeProperties.disableHotReload(providers).get()) {
-        plugins.withId(KOTLIN_MPP_PLUGIN_ID) {
-            mppExt.targets.withType(KotlinJvmTarget::class.java) { target ->
-                applyHotReload()
+        plugins.withId(KOTLIN_MPP_PLUGIN_ID) { plugin ->
+            mppExt.targets.withType(KotlinJvmTarget::class.java) {
+                applyHotReload(plugin as KotlinBasePlugin)
             }
         }
-        plugins.withId(KOTLIN_JVM_PLUGIN_ID) {
-            applyHotReload()
+        plugins.withId(KOTLIN_JVM_PLUGIN_ID) { plugin ->
+            applyHotReload(plugin as KotlinBasePlugin)
         }
     }
 }

gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/tests/integration/HotReloadTest.kt

@@ -5,6 +5,7 @@ import org.gradle.testkit.runner.TaskOutcome
 import org.jetbrains.compose.ComposeBuildConfig
 import org.jetbrains.compose.desktop.application.internal.ComposeProperties
 import org.jetbrains.compose.test.utils.GradlePluginTestBase
+import org.jetbrains.compose.test.utils.TestEnvironment
 import org.jetbrains.compose.test.utils.checks
 import org.junit.jupiter.api.fail
 import org.junit.jupiter.api.Test
@@ -32,6 +33,16 @@ class HotReloadTest : GradlePluginTestBase() {
         }
     }
 
+    @Test
+    fun testIncompatibleKotlin() = with(testProject("application/jvm",
+        TestEnvironment(defaultTestEnvironment.workingDir, kotlinVersion = "2.1.0")))
+    {
+        gradleFailure("hotRun").checks {
+            check.logContains("w: Compose Hot Reload is disabled")
+            check.logContains("Task 'hotRun' not found")
+        }
+    }
+
     @Test
     fun testNonJvmProject() = with(testProject("application/nonJvm")) {
         gradleFailure("hotRun").checks {

gradle-plugins/compose/src/test/kotlin/org/jetbrains/compose/test/tests/integration/ResourcesTest.kt

@@ -327,7 +327,7 @@ class ResourcesTest : GradlePluginTestBase() {
     fun testAndroidAppWithResources() {
         //FIXME delete the filter when https://issuetracker.google.com/456657404 is fixed
         Assumptions.assumeFalse {
-            currentOS == OS.Windows && defaultTestEnvironment.gradleVersion.contains("9.0.0")
+            currentOS == OS.Windows && defaultTestEnvironment.agpVersion.contains("9.0.0")
         }
         with(testProject("misc/androidAppWithResources", defaultTestEnvironment)) {
             gradle(":appModule:assembleDebug").checks {
@@ -406,7 +406,7 @@ class ResourcesTest : GradlePluginTestBase() {
             .getConvertedResources(commonResourcesDir, repackDir)
 
         //FIXME delete the filter when https://issuetracker.google.com/456657404 is fixed
-        val skipAndroidCheck = currentOS == OS.Windows && defaultTestEnvironment.gradleVersion.contains("9.0.0")
+        val skipAndroidCheck = currentOS == OS.Windows && defaultTestEnvironment.agpVersion.contains("9.0.0")
         if (!skipAndroidCheck) {
             gradle(":androidApp:assemble").checks {
                 check.taskSuccessful(":sharedUI:copyAndroidMainComposeResourcesToAndroidAssets")