From 7aa4034e7355508421fa6174d2974fa30b04578a Mon Sep 17 00:00:00 2001
From: Eugene Yokota <eed3si9n@gmail.com>
Date: Fri, 14 Feb 2020 09:01:11 -0500
Subject: [PATCH] Fix sbt.IllegalReferenceSpec

---
 build.sbt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/build.sbt b/build.sbt
index 0048475b6..cd96f8a51 100644
--- a/build.sbt
+++ b/build.sbt
@@ -954,6 +954,18 @@ lazy val sbtProj = (project in file("sbt"))
     mimaSettings,
     mimaBinaryIssueFilters ++= sbtIgnoredProblems,
   )
+  .settings(
+    Test / run / connectInput := true,
+    Test / run / outputStrategy := Some(StdoutOutput),
+    Test / run / fork := true,
+    testOptions in Test ++= {
+      val cp = (Test / fullClasspathAsJars).value.map(_.data).mkString(java.io.File.pathSeparator)
+      val framework = TestFrameworks.ScalaTest
+      Tests.Argument(framework, s"-Dsbt.server.classpath=$cp") ::
+        Tests.Argument(framework, s"-Dsbt.server.version=${version.value}") ::
+        Tests.Argument(framework, s"-Dsbt.server.scala.version=${scalaVersion.value}") :: Nil
+    },
+  )
   .configure(addSbtIO, addSbtCompilerBridge)
 
 lazy val serverTestProj = (project in file("server-test"))