[Gradle] Fixed downloading konan when .konan/klib exists

^KT-65222 Fixed
^KT-65248 Verification Pending

Merge-request: KT-MR-14048
Merged-by: Dmitrii Krasnov <Dmitrii.Krasnov@jetbrains.com>

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/native/KotlinNativeCompilerDownloadIT.kt

@@ -79,6 +79,28 @@ class KotlinNativeCompilerDownloadIT : KGPBaseTest() {
         }
     }
 
+    @DisplayName("KT-65222: Kotlin Native must be downloaded during even if klib dir exists")
+    @GradleTest
+    fun shouldDownloadKotlinNativeWithExistingKlibDir(gradleVersion: GradleVersion, @TempDir konanTemp: Path) {
+        nativeProject(
+            "native-simple-project",
+            gradleVersion,
+            buildOptions = defaultBuildOptions.copy(
+                konanDataDir = konanTemp,
+            ),
+        ) {
+            build(":commonizeNativeDistribution") {
+                assertDirectoryExists(konanTemp.resolve(STABLE_VERSION_DIR_NAME).resolve("klib"))
+                assertDirectoryDoesNotExist(konanTemp.resolve(STABLE_VERSION_DIR_NAME).resolve("bin"))
+            }
+            build("assemble") {
+                assertOutputDoesNotContain(DOWNLOAD_KONAN_FINISHED_LOG)
+                assertOutputContains(UNPUCK_KONAN_FINISHED_LOG)
+                assertOutputDoesNotContain("Please wait while Kotlin/Native")
+            }
+        }
+    }
+
     @DisplayName("KT-58303: Downloading Kotlin Native on configuration phase(deprecated version)")
     @GradleTest
     fun shouldDownloadKotlinNativeOnConfigurationPhaseWithToolchainDisabled(gradleVersion: GradleVersion, @TempDir konanTemp: Path) {

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

@@ -46,20 +46,11 @@ internal class KotlinNativeProvider(project: Project, konanTarget: KonanTarget)
     @get:Input
     internal val kotlinNativeBundleVersion: Provider<String> = bundleDirectory.zip(reinstallBundle) { bundleDir, reinstallFlag ->
         val kotlinNativeVersion = NativeCompilerDownloader.getDependencyNameWithOsAndVersion(project)
-        if (project.kotlinNativeToolchainEnabled && (reinstallFlag || !bundleDir.asFile.exists())) {
+        if (project.kotlinNativeToolchainEnabled) {
-            val kotlinNativeCompilerExtractedFolder =
-                kotlinNativeCompilerConfiguration
-                    .singleOrNull()
-                    ?.resolve(kotlinNativeVersion)
-                    ?: error(
-                        "Kotlin Native dependency has not been properly resolved. " +
-                                "Please, make sure that you've declared the repository, which contains $kotlinNativeVersion."
-                    )
-
             project.prepareKotlinNativeBundle(
+                kotlinNativeVersion,
                 bundleDir.asFile,
                 reinstallFlag,
-                kotlinNativeCompilerExtractedFolder,
                 konanTarget
             )
         }
@@ -78,17 +69,26 @@ internal class KotlinNativeProvider(project: Project, konanTarget: KonanTarget)
     }
 
     private fun Project.prepareKotlinNativeBundle(
+        kotlinNativeVersion: String,
         bundleDir: File,
         reinstallFlag: Boolean,
-        gradleCachesKotlinNativeDir: File,
         konanTarget: KonanTarget,
     ) {
 
         if (reinstallFlag) {
-            NativeCompilerDownloader.getCompilerDirectory(project).deleteRecursively()
+            bundleDir.deleteRecursively()
         }
 
-        if (!bundleDir.exists()) {
+        if (!bundleDir.resolve("bin").exists()) {
+            val gradleCachesKotlinNativeDir =
+                kotlinNativeCompilerConfiguration
+                    .singleOrNull()
+                    ?.resolve(kotlinNativeVersion)
+                    ?: error(
+                        "Kotlin Native dependency has not been properly resolved. " +
+                                "Please, make sure that you've declared the repository, which contains $kotlinNativeVersion."
+                    )
+
             logger.info("Moving Kotlin/Native bundle from tmp directory $gradleCachesKotlinNativeDir to ${bundleDir.absolutePath}")
             copy {
                 it.from(gradleCachesKotlinNativeDir)