2 files changed, 27 insertions, 3 deletions
diff --git a/main/core/src/eval/Evaluator.scala b/main/core/src/eval/Evaluator.scala
index dbaf9433..71fe85a9 100644
--- a/main/core/src/eval/Evaluator.scala
+++ b/main/core/src/eval/Evaluator.scala
@@ -251,7 +251,7 @@ case class Evaluator(home: os.Path,
 
     val nonEvaluatedTargets = group.indexed.filterNot(results.contains)
 
-    maybeTargetLabel.foreach { targetLabel =>
+    val tickerPrefix = maybeTargetLabel.map { targetLabel =>
       val inputResults = for {
         target <- nonEvaluatedTargets
         item <- target.inputs.filterNot(group.contains)
@@ -259,10 +259,16 @@ case class Evaluator(home: os.Path,
 
       val logRun = inputResults.forall(_.isInstanceOf[Result.Success[_]])
 
-      if(logRun) { log.ticker(s"[$counterMsg] $targetLabel ") }
+      val prefix = s"[$counterMsg] $targetLabel "
+      if(logRun) log.ticker(prefix)
+      prefix + "| "
     }
 
-    val multiLogger = resolveLogger(paths.map(_.log))
+    val multiLogger = new ProxyLogger(resolveLogger(paths.map(_.log))) {
+      override def ticker(s: String): Unit = {
+        super.ticker(tickerPrefix.getOrElse("")+s)
+      }
+    }
     var usedDest = Option.empty[(Task[_], Array[StackTraceElement])]
     for (task <- nonEvaluatedTargets) {
       newEvaluated.append(task)
diff --git a/main/core/src/util/Loggers.scala b/main/core/src/util/Loggers.scala
index aab1a324..4771d782 100644
--- a/main/core/src/util/Loggers.scala
+++ b/main/core/src/util/Loggers.scala
@@ -188,3 +188,21 @@ case class MultiLogger(colored: Boolean, logger1: Logger, logger2: Logger) exten
     logger2.close()
   }
 }
+
+/**
+  * A Logger that forwards all logging to another Logger.  Intended to be
+  * used as a base class for wrappers that modify logging behavior.
+  */
+case class ProxyLogger(logger: Logger) extends Logger {
+  def colored = logger.colored
+
+  lazy val outputStream = logger.outputStream
+  lazy val errorStream = logger.errorStream
+  lazy val inStream = logger.inStream
+
+  def info(s: String) = logger.info(s)
+  def error(s: String) = logger.error(s)
+  def ticker(s: String) = logger.ticker(s)
+  def debug(s: String) = logger.debug(s)
+  override def close() = logger.close()
+}