Convert AppendableMavenFileRepository

src/intiTest/kotlin/com/github/jengelman/gradle/plugins/shadow/util/AppendableMavenFileRepository.kt

@@ -0,0 +1,12 @@
+package com.github.jengelman.gradle.plugins.shadow.util
+
+import com.github.jengelman.gradle.plugins.shadow.util.repo.maven.MavenFileRepository
+import java.io.File
+
+class AppendableMavenFileRepository(rootDir: File) : MavenFileRepository(rootDir) {
+
+  override fun module(groupId: String, artifactId: String, version: String): AppendableMavenFileModule {
+    val artifactDir = rootDir.resolve("${groupId.replace('.', '/')}/$artifactId/$version")
+    return AppendableMavenFileModule(artifactDir, groupId, artifactId, version)
+  }
+}

src/intiTest/kotlin/com/github/jengelman/gradle/plugins/shadow/util/repo/maven/MavenFileRepository.kt

@@ -6,7 +6,7 @@ import java.net.URI
 /**
  * A fixture for dealing with file Maven repositories.
  */
-abstract class MavenFileRepository(private val rootDir: File) : MavenRepository {
+abstract class MavenFileRepository(val rootDir: File) : MavenRepository {
 
   override val uri: URI = rootDir.toURI()