[Gradle] Fix cryptic task descriptions of Kotlin Compile Tasks

^KT-57023 Verification Pending

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinCompilationInfo.kt

@@ -19,6 +19,7 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.GradleKpmCompilationData
 import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.GradleKpmModule
 import org.jetbrains.kotlin.gradle.plugin.sources.dependsOnClosure
 import org.jetbrains.kotlin.gradle.utils.filesProvider
+import org.jetbrains.kotlin.gradle.utils.toSetOrEmpty
 import org.jetbrains.kotlin.project.model.LanguageSettings
 
 internal sealed class KotlinCompilationInfo {
@@ -38,6 +39,7 @@ internal sealed class KotlinCompilationInfo {
     abstract val classesDirs: ConfigurableFileCollection
     abstract val compileDependencyFiles: FileCollection
     abstract val sources: List<SourceDirectorySet>
+    abstract val displayName: String
 
     class TCS(val compilation: KotlinCompilation<*>) : KotlinCompilationInfo() {
 
@@ -92,6 +94,13 @@ internal sealed class KotlinCompilationInfo {
 
         override val sources: List<SourceDirectorySet>
             get() = origin.allKotlinSourceSets.map { it.kotlin }
+
+        override val displayName: String
+            get() = "compilation '${compilation.name}' in target '${compilation.target.name}'"
+
+        override fun toString(): String {
+            return displayName
+        }
     }
 
     class KPM(val compilationData: GradleKpmCompilationData<*>) : KotlinCompilationInfo() {
@@ -151,6 +160,12 @@ internal sealed class KotlinCompilationInfo {
         override val sources: List<SourceDirectorySet>
             get() = origin.kotlinSourceDirectoriesByFragmentName.values.toList()
 
+        override val displayName: String
+            get() = origin.toString()
+
+        override fun toString(): String {
+            return displayName
+        }
     }
 }
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/KotlinNativeTargetConfigurator.kt

@@ -491,7 +491,7 @@ open class KotlinNativeTargetConfigurator<T : KotlinNativeTarget> : AbstractKotl
             ) {
                 it.group = BasePlugin.BUILD_GROUP
                 it.description = "Compiles a klibrary from the '${compilationInfo.compilationName}' " +
-                        "compilation for target '${compilationInfo.platformType.name}'."
+                        "compilation in target '${compilationInfo.targetDisambiguationClassifier}'."
                 it.enabled = konanTarget.enabledOnCurrentHost
 
                 it.destinationDirectory.set(project.klibOutputDirectory(compilationInfo).resolve("klib"))

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/regressionTests/KT57023CompileTaskDescriptionsTest.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+@file:Suppress("FunctionName")
+
+package org.jetbrains.kotlin.gradle.regressionTests
+
+import org.jetbrains.kotlin.gradle.dsl.multiplatformExtension
+import org.jetbrains.kotlin.gradle.plugin.KotlinJsCompilerType
+import org.jetbrains.kotlin.gradle.util.buildProjectWithMPP
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class KT57023CompileTaskDescriptionsTest {
+    @Test
+    fun `test - description of compile tasks`() {
+        val project = buildProjectWithMPP()
+        val kotlin = project.multiplatformExtension
+        kotlin.linuxX64()
+        kotlin.linuxArm64()
+        kotlin.jvm()
+        kotlin.js(KotlinJsCompilerType.IR)
+        kotlin.targetHierarchy.default()
+
+        project.evaluate()
+
+        assertEquals(
+            "Compiles the kotlin sources in compilation 'commonMain' in target 'metadata' to Metadata.",
+            kotlin.metadata().compilations.getByName("commonMain").compileTaskProvider.get().description
+        )
+
+        assertEquals(
+            "Compiles a klibrary from the 'linuxMain' compilation in target 'metadata'.",
+            kotlin.metadata().compilations.getByName("linuxMain").compileTaskProvider.get().description
+        )
+
+        assertEquals(
+            "Compiles the compilation 'main' in target 'jvm'.",
+            kotlin.jvm().compilations.getByName("main").compileTaskProvider.get().description
+        )
+
+        assertEquals(
+            "Compiles the compilation 'test' in target 'jvm'.",
+            kotlin.jvm().compilations.getByName("test").compileTaskProvider.get().description
+        )
+
+        assertEquals(
+            "Compiles a klibrary from the 'main' compilation in target 'linuxX64'.",
+            kotlin.linuxX64().compilations.getByName("main").compileTaskProvider.get().description
+        )
+    }
+}