make REPL tests look at DOTTY_EXTRA classpath entries

Author: odersky

compiler/test/dotty/Jars.scala

@@ -15,7 +15,9 @@ object Jars {
   }
 
   val dottyExtras: List[String] = sys.env.get("DOTTY_EXTRAS")
-    .map(_.split(",").toList).getOrElse(Nil)
+    .map(_.split(":").toList).getOrElse(Nil)
+
+  val dottyReplDeps: List[String] = dottyLib :: dottyExtras
 
   val dottyTestDeps: List[String] =
     dottyLib :: dottyCompiler :: dottyInterfaces :: dottyExtras

compiler/test/dotty/tools/dotc/repl/TestREPL.scala

@@ -24,7 +24,7 @@ class TestREPL(script: String) extends REPL {
     override def context(ctx: Context) = {
       val fresh = ctx.fresh
       fresh.setSetting(ctx.settings.color, "never")
-      fresh.setSetting(ctx.settings.classpath, Jars.dottyLib)
+      fresh.setSetting(ctx.settings.classpath, Jars.dottyReplDeps.mkString(":"))
       fresh.initialize()(fresh)
       fresh
     }