[Gradle] resolvableMetadataConfiguration: Use named configuration and extendsFrom

^KT-55289 Verification Pending

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

@@ -121,9 +121,7 @@ internal class GranularMetadataTransformation(
         kotlinSourceSet.internal.resolvableMetadataConfiguration.incoming.dependencies
     }
 
-    internal val configurationToResolve: Configuration by lazy {
-        kotlinSourceSet.internal.resolvableMetadataConfiguration
-    }
+    internal val configurationToResolve: Configuration = kotlinSourceSet.internal.resolvableMetadataConfiguration
 
     private fun doTransform(): Iterable<MetadataDependencyResolution> {
         val result = mutableListOf<MetadataDependencyResolution>()

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

@@ -5,42 +5,57 @@
 
 package org.jetbrains.kotlin.gradle.plugin.mpp
 
+import org.gradle.api.Project
 import org.gradle.api.artifacts.Configuration
+import org.gradle.api.provider.Provider
 import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.util.copyAttributes
 import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.util.markResolvable
 import org.jetbrains.kotlin.gradle.plugin.sources.InternalKotlinSourceSet
+import org.jetbrains.kotlin.gradle.plugin.sources.METADATA_CONFIGURATION_NAME_SUFFIX
+import org.jetbrains.kotlin.gradle.plugin.sources.disambiguateName
 import org.jetbrains.kotlin.gradle.plugin.sources.getVisibleSourceSetsFromAssociateCompilations
-import org.jetbrains.kotlin.gradle.plugin.sources.withDependsOnClosure
 import org.jetbrains.kotlin.gradle.targets.metadata.ALL_COMPILE_METADATA_CONFIGURATION_NAME
+import org.jetbrains.kotlin.gradle.utils.listProperty
+import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
 import org.jetbrains.kotlin.tooling.core.extrasLazyProperty
 
+/**
+ * @see resolvableMetadataConfiguration
+ */
+internal val InternalKotlinSourceSet.resolvableMetadataConfigurationName: String
+    get() = disambiguateName(lowerCamelCaseName("resolvable", METADATA_CONFIGURATION_NAME_SUFFIX))
+
 /**
  * Represents a 'resolvable' configuration containing all dependencies in compile scope.
  * These dependencies are set up to resolve Kotlin Metadata (without transformation) and will resolve
  * consistently across the whole project.
- *
- * Creating this configuration will resolve dependency scope configurations on the given SourceSet.
  */
 internal val InternalKotlinSourceSet.resolvableMetadataConfiguration: Configuration by extrasLazyProperty(
     "resolvableMetadataConfiguration"
 ) {
-    val configuration = project.configurations.detachedConfiguration()
+    assert(resolvableMetadataConfigurationName !in project.configurations.names)
+    val configuration = project.configurations.maybeCreate(resolvableMetadataConfigurationName)
     configuration.markResolvable()
 
-    ((getVisibleSourceSetsFromAssociateCompilations(this) + this).withDependsOnClosure).forEach { visibleSourceSet ->
-        configuration.dependencies.addAll(
-            project.configurations.getByName(visibleSourceSet.apiConfigurationName).incoming.dependencies
-        )
-
-        configuration.dependencies.addAll(
-            project.configurations.getByName(visibleSourceSet.implementationConfigurationName).incoming.dependencies
-        )
-
-        configuration.dependencies.addAll(
-            project.configurations.getByName(visibleSourceSet.compileOnlyConfigurationName).incoming.dependencies
-        )
+    withDependsOnClosure.forAll { sourceSet ->
+        configuration.extendsFrom(project.configurations.getByName(sourceSet.apiConfigurationName))
+        configuration.extendsFrom(project.configurations.getByName(sourceSet.implementationConfigurationName))
+        configuration.extendsFrom(project.configurations.getByName(sourceSet.compileOnlyConfigurationName))
     }
 
+    /**
+     * Adding dependencies from associate compilations using a listProvider, since we would like to defer
+     * the call to 'getVisibleSourceSetsFromAssociateCompilations' as much as possible (changes to the model might significantly
+     * change the result of this visible source sets)
+     */
+    configuration.dependencies.addAllLater(project.listProvider {
+        getVisibleSourceSetsFromAssociateCompilations(this).flatMap { sourceSet ->
+            project.configurations.getByName(sourceSet.apiConfigurationName).allDependencies +
+                    project.configurations.getByName(sourceSet.implementationConfigurationName).allDependencies +
+                    project.configurations.getByName(sourceSet.compileOnlyConfigurationName).allDependencies
+        }
+    })
+
     val allCompileMetadataConfiguration = project.configurations.getByName(ALL_COMPILE_METADATA_CONFIGURATION_NAME)
 
     /* Ensure consistent dependency resolution result within the whole module */
@@ -49,3 +64,9 @@ internal val InternalKotlinSourceSet.resolvableMetadataConfiguration: Configurat
 
     configuration
 }
+
+private inline fun <reified T> Project.listProvider(noinline provider: () -> List<T>): Provider<List<T>> {
+    return project.objects.listProperty<T>().apply {
+        set(project.provider(provider))
+    }
+}