Cleanup local Scripted plugin

project/Scripted.scala

@@ -1,13 +1,12 @@
+import java.lang.reflect.InvocationTargetException
+
 import sbt._
-import Keys._
-import Def.Initialize
 import sbt.internal.inc.ScalaInstance
-import sbt.internal.inc.classpath
+import sbt.internal.inc.classpath.{ ClasspathUtilities, FilteredLoader }
 
-import scala.language.reflectiveCalls
-
-object ScriptedPlugin extends sbt.AutoPlugin {
+object ScriptedPlugin extends AutoPlugin {
   override def requires = plugins.JvmPlugin
+
   object autoImport extends ScriptedKeys {
     def scriptedPath = file("scripted")
   }
@@ -39,27 +38,31 @@ object Scripted {
   val RepoOverrideTest = config("repoOverrideTest") extend Compile
 
   import sbt.complete._
-  import DefaultParsers._
+
   // Paging, 1-index based.
-  case class ScriptedTestPage(page: Int, total: Int)
+  final case class ScriptedTestPage(page: Int, total: Int)
+
   // FIXME: Duplicated with ScriptedPlugin.scriptedParser, this can be
   // avoided once we upgrade build.properties to 0.13.14
   def scriptedParser(scriptedBase: File): Parser[Seq[String]] = {
+    import DefaultParsers._
+
     val scriptedFiles: NameFilter = ("test": NameFilter) | "pending"
     val pairs = (scriptedBase * AllPassFilter * AllPassFilter * scriptedFiles).get map {
       (f: File) =>
         val p = f.getParentFile
         (p.getParentFile.getName, p.getName)
     }
-    val pairMap = pairs.groupBy(_._1).mapValues(_.map(_._2).toSet);
+    val pairMap = pairs.groupBy(_._1).mapValues(_.map(_._2).toSet)
 
     val id = charClass(c => !c.isWhitespace && c != '/').+.string
-    val groupP = token(id.examples(pairMap.keySet.toSet)) <~ token('/')
+    val groupP = token(id.examples(pairMap.keySet)) <~ token('/')
 
     // A parser for page definitions
     val pageP: Parser[ScriptedTestPage] = ("*" ~ NatBasic ~ "of" ~ NatBasic) map {
       case _ ~ page ~ _ ~ total => ScriptedTestPage(page, total)
     }
+
     // Grabs the filenames from a given test group in the current page definition.
     def pagedFilenames(group: String, page: ScriptedTestPage): Seq[String] = {
       val files = pairMap(group).toSeq.sortBy(_.toLowerCase)
@@ -69,9 +72,11 @@ object Scripted {
       if (page.page == page.total) dropped
       else dropped.take(pageSize)
     }
+
     def nameP(group: String) = {
       token("*".id | id.examples(pairMap.getOrElse(group, Set.empty[String])))
     }
+
     val PagedIds: Parser[Seq[String]] =
       for {
         group <- groupP
@@ -79,55 +84,64 @@ object Scripted {
         files = pagedFilenames(group, page)
         // TODO -  Fail the parser if we don't have enough files for the given page size
         //if !files.isEmpty
-      } yield files map (f => group + '/' + f)
+      } yield files map (f => s"$group/$f")
 
     val testID = (for (group <- groupP; name <- nameP(group)) yield (group, name))
     val testIdAsGroup = matched(testID) map (test => Seq(test))
+
     //(token(Space) ~> matched(testID)).*
     (token(Space) ~> (PagedIds | testIdAsGroup)).* map (_.flatten)
   }
 
-  // Interface to cross class loader
-  type SbtScriptedRunner = {
-    def runInParallel(resourceBaseDirectory: File,
-                      bufferLog: Boolean,
-                      tests: Array[String],
-                      bootProperties: File,
-                      launchOpts: Array[String],
-                      prescripted: java.util.List[File]): Unit
-  }
-
-  def doScripted(launcher: File,
-                 scriptedSbtClasspath: Seq[Attributed[File]],
-                 scriptedSbtInstance: ScalaInstance,
-                 sourcePath: File,
-                 bufferLog: Boolean,
-                 args: Seq[String],
-                 prescripted: File => Unit,
-                 launchOpts: Seq[String]): Unit = {
+  def doScripted(
+      launcher: File,
+      scriptedSbtClasspath: Seq[Attributed[File]],
+      scriptedSbtInstance: ScalaInstance,
+      sourcePath: File,
+      bufferLog: Boolean,
+      args: Seq[String],
+      prescripted: File => Unit,
+      launchOpts: Seq[String],
+  ): Unit = {
     System.err.println(s"About to run tests: ${args.mkString("\n * ", "\n * ", "\n")}")
+
     // Force Log4J to not use a thread context classloader otherwise it throws a CCE
     sys.props(org.apache.logging.log4j.util.LoaderUtil.IGNORE_TCCL_PROPERTY) = "true"
-    val noJLine = new classpath.FilteredLoader(scriptedSbtInstance.loader, "jline." :: Nil)
-    val loader = classpath.ClasspathUtilities.toLoader(scriptedSbtClasspath.files, noJLine)
+
+    val noJLine = new FilteredLoader(scriptedSbtInstance.loader, "jline." :: Nil)
+    val loader = ClasspathUtilities.toLoader(scriptedSbtClasspath.files, noJLine)
     val bridgeClass = Class.forName("sbt.scriptedtest.ScriptedRunner", true, loader)
+
+    // Interface to cross class loader
+    type SbtScriptedRunner = {
+      def runInParallel(
+        resourceBaseDirectory: File,
+        bufferLog: Boolean,
+        tests: Array[String],
+        bootProperties: File,
+        launchOpts: Array[String],
+        prescripted: java.util.List[File],
+      ): Unit
+    }
+
     val bridge = bridgeClass.getDeclaredConstructor().newInstance().asInstanceOf[SbtScriptedRunner]
+
     try {
       // Using java.util.List to encode File => Unit.
       val callback = new java.util.AbstractList[File] {
-        override def add(x: File): Boolean = {
-          prescripted(x)
-          false
-        }
+        override def add(x: File): Boolean = { prescripted(x); false }
         def get(x: Int): sbt.File = ???
         def size(): Int = 0
       }
-      bridge.runInParallel(sourcePath,
-                           bufferLog,
-                           args.toArray,
-                           launcher,
-                           launchOpts.toArray,
-                           callback)
-    } catch { case ite: java.lang.reflect.InvocationTargetException => throw ite.getCause }
+      import scala.language.reflectiveCalls
+      bridge.runInParallel(
+        sourcePath,
+        bufferLog,
+        args.toArray,
+        launcher,
+        launchOpts.toArray,
+        callback,
+      )
+    } catch { case ite: InvocationTargetException => throw ite.getCause }
   }
 }