src/Pure/Tools/mkroot.scala
changeset 71726 a5fda30edae2
parent 67069 f11486d31586
child 72375 e48d93811ed7
--- a/src/Pure/Tools/mkroot.scala	Tue Apr 07 21:07:28 2020 +0200
+++ b/src/Pure/Tools/mkroot.scala	Tue Apr 07 21:49:36 2020 +0200
@@ -25,7 +25,7 @@
     init_repos: Boolean = false,
     title: String = "",
     author: String = "",
-    progress: Progress = No_Progress)
+    progress: Progress = new Progress)
   {
     Isabelle_System.mkdirs(session_dir)