More cleanup and support for concrete as part of a project hierarchy.

build.gradle.kts

@@ -1,5 +1,3 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
 plugins {
   `kotlin-dsl`
   kotlin("plugin.serialization") version "1.6.21"
@@ -33,22 +31,22 @@ gradlePlugin {
       implementationClass = "lgbt.mystic.foundation.concrete.ConcreteRootPlugin"
     }
 
-    create("concrete-project") {
-      id = "lgbt.mystic.foundation.concrete-project"
+    create("concrete-plugin") {
+      id = "lgbt.mystic.foundation.concrete-plugin"
       implementationClass = "lgbt.mystic.foundation.concrete.ConcreteProjectPlugin"
     }
   }
 }
 
 java {
-  val version = JavaVersion.toVersion("1.8")
+  val version = JavaVersion.toVersion("11")
   sourceCompatibility = version
   targetCompatibility = version
 }
 
-tasks.withType<KotlinCompile> {
+tasks.compileKotlin {
   kotlinOptions {
-    jvmTarget = "1.8"
+    jvmTarget = "11"
   }
 }
 

sample/hello-world/build.gradle.kts

@@ -1,3 +1,3 @@
 plugins {
-  id("lgbt.mystic.foundation.concrete-project")
+  id("lgbt.mystic.foundation.concrete-plugin")
 }

src/main/kotlin/lgbt/mystic/foundation/concrete/ConcreteProjectPlugin.kt

@@ -1,11 +1,9 @@
 package lgbt.mystic.foundation.concrete
 
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.gradle.api.JavaVersion
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.plugins.JavaPluginExtension
-import org.gradle.api.tasks.compile.JavaCompile
 import org.gradle.kotlin.dsl.get
 import org.gradle.kotlin.dsl.getByType
 import org.gradle.kotlin.dsl.repositories
@@ -36,7 +34,7 @@ class ConcreteProjectPlugin : Plugin<Project> {
       }
     }
 
-    val paperApiVersion = project.rootProject.extensions.getByType<ConcreteExtension>().paperApiVersion.get()
+    val paperApiVersion = project.concreteRootExtension.paperApiVersion.get()
 
     project.dependencies.add("compileOnly", "io.papermc.paper:paper-api:${paperApiVersion}")
 
@@ -55,7 +53,7 @@ class ConcreteProjectPlugin : Plugin<Project> {
       }
     }
 
-    (project.tasks["shadowJar"] as ShadowJar).apply {
+    project.shadowJarTask!!.apply {
       archiveClassifier.set("plugin")
     }
 
@@ -69,6 +67,6 @@ class ConcreteProjectPlugin : Plugin<Project> {
       }
     }
 
-    project.rootProject.tasks["setupPaperServer"].dependsOn(project.tasks["shadowJar"])
+    project.concreteRootProject.tasks["setupPaperServer"].dependsOn(project.tasks["shadowJar"])
   }
 }

src/main/kotlin/lgbt/mystic/foundation/concrete/ConcreteRootPlugin.kt

@@ -7,7 +7,7 @@ import org.gradle.kotlin.dsl.create
 
 class ConcreteRootPlugin : Plugin<Project> {
   override fun apply(project: Project) {
-    project.apply(plugin = "java")
+    project.apply(plugin = "base")
     project.extensions.create<ConcreteExtension>("concrete")
     val setupPaperServer = project.tasks.create<SetupPaperServer>("setupPaperServer")
     val runPaperServer = project.tasks.create<RunPaperServer>("runPaperServer")

src/main/kotlin/lgbt/mystic/foundation/concrete/PaperVersionClient.kt

@@ -7,7 +7,7 @@ import java.net.http.HttpRequest
 import java.net.http.HttpResponse
 
 class PaperVersionClient(
-  val client: HttpClient = HttpClient.newHttpClient(),
+  private val client: HttpClient = HttpClient.newHttpClient(),
   private val gson: Gson = Globals.gson
 ) {
   private val apiBaseUrl = URI.create("https://papermc.io/api/v2/")

src/main/kotlin/lgbt/mystic/foundation/concrete/SetupPaperServer.kt

@@ -1,6 +1,5 @@
 package lgbt.mystic.foundation.concrete
 
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.gradle.api.DefaultTask
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.TaskAction
@@ -45,7 +44,7 @@ open class SetupPaperServer : DefaultTask() {
         continue
       }
 
-      val task = project.tasks.getByName("shadowJar") as ShadowJar
+      val task = project.shadowJarTask!!
       val pluginJarFile = task.outputs.files.first()
       val pluginLinkFile = paperPluginsDirectory.resolve("${project.name}.jar")
       pluginLinkFile.delete()

src/main/kotlin/lgbt/mystic/foundation/concrete/UpdateManifestTask.kt

@@ -12,7 +12,7 @@ open class UpdateManifestTask : DefaultTask() {
     val updateFile = manifestsDir.resolve("update.json")
     val rootPath = project.rootProject.rootDir.toPath()
     val updateManifest = project.findPluginProjects().mapNotNull { project ->
-      val paths = project.shadowJarOutputs.allFilesRelativeToPath(rootPath)
+      val paths = project.shadowJarOutputs!!.allFilesRelativeToPath(rootPath)
       if (paths.isNotEmpty()) {
         project.name to mapOf(
           "version" to project.version,

src/main/kotlin/lgbt/mystic/foundation/concrete/extensions.kt

@@ -1,16 +1,51 @@
 package lgbt.mystic.foundation.concrete
 
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.gradle.api.Project
 import org.gradle.api.tasks.TaskOutputs
 import java.nio.file.FileSystems
 import java.nio.file.Path
 
-fun Project.isPluginProject() = project.tasks.names.contains("shadowJar")
-fun Project.findPluginProjects() = rootProject.allprojects.filter { project -> project.isPluginProject() }
+internal fun Project.isPluginProject() = plugins.hasPlugin(ConcreteProjectPlugin::class.java)
+internal fun Project.findPluginProjects() = allprojects.filter { project -> project.isPluginProject() }
 
-val Project.shadowJarOutputs: TaskOutputs
-  get() = project.tasks.getByName("shadowJar").outputs
+internal val Project.shadowJarTask: ShadowJar?
+  get() =
+    if (project.tasks.names.contains("shadowJar"))
+      project.tasks.getByName("shadowJar") as ShadowJar
+    else null
 
-fun TaskOutputs.allFilesRelativeToPath(root: Path): List<Path> = files.map { root.relativize(it.toPath()) }
+internal val Project.shadowJarOutputs: TaskOutputs?
+  get() = shadowJarTask?.outputs
 
-fun Path.toUnixString() = toString().replace(FileSystems.getDefault().separator, "/")
+internal val Project.concreteRootExtension: ConcreteExtension
+  get() {
+    val direct = extensions.findByType(ConcreteExtension::class.java)
+    if (direct != null) {
+      return direct
+    }
+
+    if (parent != null) {
+      return parent!!.concreteRootExtension
+    }
+
+    throw RuntimeException("Failed to find concrete extension. Did you apply the concrete root plugin?")
+  }
+
+internal val Project.concreteRootProject: Project
+  get() {
+    val direct = extensions.findByType(ConcreteExtension::class.java)
+    if (direct != null) {
+      return this
+    }
+
+    if (parent != null) {
+      return parent!!
+    }
+
+    throw RuntimeException("Failed to find concrete root. Did you apply the concrete root plugin?")
+  }
+
+internal fun TaskOutputs.allFilesRelativeToPath(root: Path): List<Path> = files.map { root.relativize(it.toPath()) }
+
+internal fun Path.toUnixString() = toString().replace(FileSystems.getDefault().separator, "/")