Add 'kotlin.native.distribution.baseDownloadUrl' property

This property will allow customizing Kotlin/Native compiler download
url. For example, useful when company does not allow contacting internet
directly and requires using proxy.

^KT-47746 Fixed

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

@@ -1219,6 +1219,23 @@ class GeneralNativeIT : BaseGradleIT() {
         }
     }
 
+    @Test
+    fun allowToOverrideDownloadUrl() {
+        with(transformNativeTestProjectWithPluginDsl("native-parallel")) {
+            gradleProperties().appendText(
+                """
+                
+                kotlin.native.reinstall=true
+                kotlin.native.distribution.baseDownloadUrl=https://non-existent.net
+                """.trimIndent()
+            )
+            build("build") {
+                assertFailed()
+                assertContains("Could not HEAD 'https://non-existent.net")
+            }
+        }
+    }
+
     companion object {
         fun List<String>.containsSequentially(vararg elements: String): Boolean {
             check(elements.isNotEmpty())

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinProperties.kt

@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrOutputGranularity
 import org.jetbrains.kotlin.gradle.targets.js.webpack.WebpackMajorVersion
 import org.jetbrains.kotlin.gradle.targets.native.DisabledNativeTargetsReporter
 import org.jetbrains.kotlin.gradle.tasks.*
+import org.jetbrains.kotlin.gradle.utils.NativeCompilerDownloader
 import org.jetbrains.kotlin.gradle.utils.SingleWarningPerBuild
 import org.jetbrains.kotlin.konan.target.KonanTarget
 import org.jetbrains.kotlin.konan.target.presetName
@@ -255,6 +256,14 @@ internal class PropertiesProvider private constructor(private val project: Proje
     val nativeDistributionType: String?
         get() = property("kotlin.native.distribution.type")
 
+    /**
+     * Allows overriding Kotlin/Native base download url.
+     *
+     * When Kotlin/native will try to download native compiler, it will append compiler version and os type to this url.
+     */
+    val nativeBaseDownloadUrl: String
+        get() = property("kotlin.native.distribution.baseDownloadUrl") ?: NativeCompilerDownloader.BASE_DOWNLOAD_URL
+
     /**
      * A property that was used to choose a restricted distribution in 1.3.
      */

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/NativeCompilerDownloader.kt

@@ -13,6 +13,7 @@ import org.gradle.api.logging.Logger
 import org.jetbrains.kotlin.compilerRunner.KotlinNativeCompilerRunner
 import org.jetbrains.kotlin.compilerRunner.konanVersion
 import org.jetbrains.kotlin.gradle.logging.kotlinInfo
+import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider
 import org.jetbrains.kotlin.gradle.targets.native.internal.NativeDistributionType
 import org.jetbrains.kotlin.gradle.targets.native.internal.NativeDistributionTypeProvider
 import org.jetbrains.kotlin.konan.CompilerVersion
@@ -33,7 +34,7 @@ class NativeCompilerDownloader(
             CompilerVersion.fromString(loadPropertyFromResources("project.properties", "kotlin.native.version"))
         }
 
-        private const val BASE_DOWNLOAD_URL = "https://download.jetbrains.com/kotlin/native/builds"
+        internal const val BASE_DOWNLOAD_URL = "https://download.jetbrains.com/kotlin/native/builds"
     }
 
     val compilerDirectory: File
@@ -42,6 +43,8 @@ class NativeCompilerDownloader(
     private val logger: Logger
         get() = project.logger
 
+    private val kotlinProperties get() = PropertiesProvider(project)
+
     private val distributionType: NativeDistributionType
         get() = NativeDistributionTypeProvider(project).getDistributionType(compilerVersion)
 
@@ -112,7 +115,7 @@ class NativeCompilerDownloader(
 
     private fun downloadAndExtract() {
         val repoUrl = buildString {
-            append("$BASE_DOWNLOAD_URL/")
+            append("${kotlinProperties.nativeBaseDownloadUrl}/")
             append(if (compilerVersion.meta == MetaVersion.DEV) "dev/" else "releases/")
             append("$compilerVersion/")
             append(simpleOsName)