From 2beb1d93b26a97883eab625035ec82bef530dd7e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Segovia=20C=C3=B3rdoba?=
 <javier@segoviacordoba.com>
Date: Mon, 26 Aug 2024 02:37:49 +0200
Subject: [PATCH] Add report Kopy uses a different Kotlin version than the
 project

---
 CHANGELOG.md                                  |  1 +
 .../kopy/gradle/plugin/KopyGradlePlugin.kt    | 25 +++++++++++++++++--
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa3b37c..3d8ac23 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Added
 
 - `KopyFunctions` to set the functions that will be generated
+- report Kopy uses a different Kotlin version than the project
 
 ### Changed
 
diff --git a/kopy-gradle-plugin/main/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePlugin.kt b/kopy-gradle-plugin/main/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePlugin.kt
index 21867e1..993ccb3 100644
--- a/kopy-gradle-plugin/main/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePlugin.kt
+++ b/kopy-gradle-plugin/main/kotlin/com/javiersc/kotlin/kopy/gradle/plugin/KopyGradlePlugin.kt
@@ -1,8 +1,10 @@
 package com.javiersc.kotlin.kopy.gradle.plugin
 
+import com.javiersc.gradle.logging.extensions.warnColored
 import com.javiersc.kotlin.kopy.args.KopyFunctions
 import com.javiersc.kotlin.kopy.args.KopyVisibility
 import com.javiersc.kotlin.kopy.compiler.KopyCompilerProjectData
+import com.javiersc.kotlin.stdlib.remove
 import javax.inject.Inject
 import org.gradle.api.Project
 import org.gradle.api.provider.Provider
@@ -16,6 +18,7 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
 import org.jetbrains.kotlin.gradle.plugin.KotlinCompilerPluginSupportPlugin
 import org.jetbrains.kotlin.gradle.plugin.SubpluginArtifact
 import org.jetbrains.kotlin.gradle.plugin.SubpluginOption
+import org.jetbrains.kotlin.gradle.plugin.getKotlinPluginVersion
 
 public class KopyGradlePlugin
 @Inject
@@ -23,9 +26,16 @@ constructor(
     private val providers: ProviderFactory,
 ) : KotlinCompilerPluginSupportPlugin {
 
+    private val Project.kopy: KopyExtension
+        get() = the<KopyExtension>()
+
+
     override fun apply(target: Project) {
         target.createExtension()
-        target.withKotlin { suppressKopyOptInt() }
+        target.withKotlin {
+            suppressKopyOptInt()
+            reportKotlinVersion()
+        }
         target.withKotlinAndroid { dependencies { "api"(kopyRuntime) } }
         target.withKotlinJvm { dependencies { "api"(kopyRuntime) } }
         target.withKotlinMultiplatform { dependencies { "commonMainApi"(kopyRuntime) } }
@@ -34,7 +44,7 @@ constructor(
     override fun applyToCompilation(
         kotlinCompilation: KotlinCompilation<*>
     ): Provider<List<SubpluginOption>> {
-        val kopy: KopyExtension = kotlinCompilation.project.the<KopyExtension>()
+        val kopy: KopyExtension = kotlinCompilation.project.kopy
         return providers.provider {
             listOf(
                 SubpluginOption(
@@ -65,6 +75,17 @@ constructor(
         extensions.create<KopyExtension>(KopyExtension.NAME)
     }
 
+    private fun Project.reportKotlinVersion() {
+        val kopyVersion: String =
+            KopyCompilerProjectData.Version.replaceBeforeLast("+", "").remove("+")
+        val kotlinVersion: String = getKotlinPluginVersion()
+        if (kopyVersion == kotlinVersion) return
+        logger.warnColored {
+            "Kopy uses a different Kotlin version, $kopyVersion, than the Kotlin Gradle plugin " +
+                "applied to this project, $kotlinVersion. It may not work as expected."
+        }
+    }
+
     private fun Project.withKotlinAndroid(action: Project.() -> Unit) {
         pluginManager.withPlugin("org.jetbrains.kotlin.android") { action() }
     }