avoid spurious error messages, e.g. when scala is missing;
--- a/lib/scripts/getsettings Mon Oct 17 16:10:45 2022 +0200
+++ b/lib/scripts/getsettings Mon Oct 17 20:18:05 2022 +0200
@@ -130,7 +130,7 @@
fi
if [ -e "$ISABELLE_SETUP_JAR" ]; then
- ISABELLE_SETUP_CLASSPATH="$(isabelle_jdk java -classpath "$(platform_path "$SCALA_INTERFACES:$ISABELLE_SETUP_JAR")" isabelle.setup.Setup classpath)"
+ ISABELLE_SETUP_CLASSPATH="$(isabelle_jdk java -classpath "$(platform_path "$SCALA_INTERFACES:$ISABELLE_SETUP_JAR")" isabelle.setup.Setup classpath 2>/dev/null)"
fi
set +o allexport