From a85490ea7d594ff24322a5f5d85e297908830393 Mon Sep 17 00:00:00 2001
From: Yahor Berdnikau <yahor.berdnikau@jetbrains.com>
Date: Wed, 22 Jun 2022 09:56:36 +0200
Subject: [PATCH] Add conventions only if they are still available

So Gradle could drop conventions in Gradle 8.0 release.

^KT-47047 Fixed
---
 .../jetbrains/kotlin/gradle/plugin/gradleUtils.kt   | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/gradleUtils.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/gradleUtils.kt
index 84afcd7c487..f96a960f604 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/gradleUtils.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/gradleUtils.kt
@@ -23,7 +23,18 @@ import org.gradle.api.plugins.ExtensionAware
 
 @Deprecated("Conventions are deprecated in Gradle")
 internal inline fun <reified T : Any> Any.addConvention(name: String, plugin: T) {
-    (this as HasConvention).convention.plugins[name] = plugin
+    // Verifying conventions are still available via reflection,
+    // so Gradle could remove them in Gradle 8.0 release
+    val conventionsIsAvailable = try {
+        Class.forName("org.gradle.api.internal.HasConvention")
+        true
+    } catch (_: ClassNotFoundException) {
+        false
+    }
+
+    if (conventionsIsAvailable) {
+        (this as HasConvention).convention.plugins[name] = plugin
+    }
 }
 
 internal inline fun <reified T : Any> Any.addExtension(name: String, extension: T) =