Support downloading additional artifacts (sources, javadoc, etc.)

plugin/gradle75/src/main/kotlin/DependencyExtractor.gradle75.kt

@@ -0,0 +1,61 @@
+package org.nixos.gradle2nix
+
+import org.gradle.api.invocation.Gradle
+import org.gradle.api.services.BuildService
+import org.gradle.api.services.BuildServiceParameters
+import org.gradle.internal.build.event.BuildEventListenerRegistryInternal
+import org.gradle.internal.operations.BuildOperationDescriptor
+import org.gradle.internal.operations.BuildOperationListener
+import org.gradle.internal.operations.OperationFinishEvent
+import org.gradle.internal.operations.OperationIdentifier
+import org.gradle.internal.operations.OperationProgressEvent
+import org.gradle.internal.operations.OperationStartEvent
+
+object DependencyExtractorApplierG75 : DependencyExtractorApplier {
+    @Suppress("UnstableApiUsage")
+    override fun apply(
+        gradle: Gradle,
+        extractor: DependencyExtractor,
+    ) {
+        val serviceProvider =
+            gradle.sharedServices
+                .registerIfAbsent(
+                    "nixDependencyExtractor",
+                    DependencyExtractorService::class.java,
+                ) {}
+                .map { service ->
+                    service.apply { this.extractor = extractor }
+                }
+
+        gradle.service<BuildEventListenerRegistryInternal>().onOperationCompletion(serviceProvider)
+    }
+}
+
+@Suppress("UnstableApiUsage")
+internal abstract class DependencyExtractorService :
+    BuildService<BuildServiceParameters.None>,
+    BuildOperationListener,
+    AutoCloseable {
+    var extractor: DependencyExtractor? = null
+
+    override fun started(
+        buildOperation: BuildOperationDescriptor,
+        startEvent: OperationStartEvent,
+    ) {}
+
+    override fun progress(
+        operationIdentifier: OperationIdentifier,
+        progressEvent: OperationProgressEvent,
+    ) {}
+
+    override fun finished(
+        buildOperation: BuildOperationDescriptor,
+        finishEvent: OperationFinishEvent,
+    ) {
+        extractor?.finished(buildOperation, finishEvent)
+    }
+
+    override fun close() {
+        extractor = null
+    }
+}