src/Pure/ML/ml_process.scala

--- a/src/Pure/ML/ml_process.scala	Tue Mar 14 10:27:17 2023 +0100
+++ b/src/Pure/ML/ml_process.scala	Tue Mar 14 10:35:41 2023 +0100
@@ -12,6 +12,9 @@
 
 
 object ML_Process {
+  def bootstrap_shasum(): SHA1.Shasum =
+    SHA1.shasum_meta_info(SHA1.digest(Path.explode("$POLYML_EXE")))
+
   def session_heaps(
     store: Sessions.Store,
     session_background: Sessions.Background,