warn when running console instead of repl

Author: lrytz

project/Build.scala

@@ -2140,6 +2140,10 @@ object Build {
         repl := (`scala3-compiler-bootstrapped` / repl).value,
       ).
       settings(
+        (Compile / console) := (Compile / console).dependsOn(Def.task {
+          import _root_.scala.io.AnsiColor._
+          streams.value.log.warn(s"${BOLD}`console` uses the reference Scala version. Use `repl` instead.$RESET")
+        }).value,
         publish / skip := true
       )