Ensure no progress stuff if printed...

after progress report is stopped

just in case

build.sbt

@@ -162,6 +162,7 @@ lazy val cache = project
       import com.typesafe.tools.mima.core._
 
       Seq(
+        ProblemFilters.exclude[DirectMissingMethodProblem]("coursier.TermDisplay#UpdateDisplayRunnable.cleanDisplay"),
         ProblemFilters.exclude[FinalClassProblem]("coursier.TermDisplay$DownloadInfo"),
         ProblemFilters.exclude[FinalClassProblem]("coursier.TermDisplay$CheckUpdateInfo"),
         ProblemFilters.exclude[FinalClassProblem]("coursier.util.Base64$B64Scheme"),

cache/src/main/scala/coursier/TermDisplay.scala

@@ -173,6 +173,8 @@ object TermDisplay {
     private var currentHeight = 0
     private var printedAnything0 = false
 
+    private var stopped = false
+
     def printedAnything() = printedAnything0
 
     private val needsUpdate = new AtomicBoolean(false)
@@ -286,7 +288,7 @@ object TermDisplay {
     }
 
     private def updateDisplay(): Unit =
-      if (needsUpdate.getAndSet(false)) {
+      if (!stopped && needsUpdate.getAndSet(false)) {
         val (done0, downloads0) = downloads.synchronized {
           val q = doneQueue
             .toVector
@@ -341,7 +343,7 @@ object TermDisplay {
         currentHeight = downloads0.length
       }
 
-    def cleanDisplay(): Unit = {
+    def stop(): Unit = {
       for (_ <- 1 to 2; _ <- 0 until currentHeight) {
         out.clearLine(2)
         out.down(1)
@@ -350,6 +352,8 @@ object TermDisplay {
         out.up(2)
 
       out.flush()
+
+      stopped = true
     }
 
     private var previous = Set.empty[String]
@@ -456,7 +460,7 @@ class TermDisplay(
   def stopDidPrintSomething(): Boolean = {
     scheduler.shutdown()
     scheduler.awaitTermination(2 * refreshInterval, TimeUnit.MILLISECONDS)
-    updateRunnable.cleanDisplay()
+    updateRunnable.stop()
     updateRunnable.printedAnything()
   }