Add scripted scala3-semanticdb

sbt/src/sbt-test/project/scala3-semanticdb/LICENSE

@@ -0,0 +1,25 @@
+Copyright (c) 2015 The dotty-example-project contributors.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+

sbt/src/sbt-test/project/scala3-semanticdb/README.md

@@ -0,0 +1 @@
+Cut-n-pasted from https://github.com/scala/scala3-example-project/tree/353ccef820699f20eb012420a9deb28814481031

sbt/src/sbt-test/project/scala3-semanticdb/build.sbt

@@ -0,0 +1,13 @@
+ThisBuild / scalaVersion := "3.0.0-M2"
+ThisBuild / semanticdbEnabled := true
+
+lazy val check = taskKey[Unit]("check the Scala 3 semanticdb files")
+
+Compile / check := checkTask("Main.semanticdb")
+Test / check := checkTask("Test.semanticdb")
+
+def checkTask(fileName: String): Def.Initialize[Task[Unit]] = Def.task {
+  val _ = compile.value
+  val dir = semanticdbTargetRoot.value
+  assert(IO.listFiles(dir).exists(_.getName == fileName), s"$fileName is missing")
+}

sbt/src/sbt-test/project/scala3-semanticdb/src/main/scala/Main.scala

@@ -0,0 +1,8 @@
+
+object Main {
+  val msg = "Hello, World!"
+
+  def main(args: Array[String]): Unit = {
+    println(msg)
+  }
+}

sbt/src/sbt-test/project/scala3-semanticdb/src/test/scala/Test.scala

@@ -0,0 +1,3 @@
+object Test {
+  assert(Main.msg == "Hello, World!")
+}

sbt/src/sbt-test/project/scala3-semanticdb/test

@@ -0,0 +1,3 @@
+> Compile / check
+> Test / check
+