further clarification of Isabelle distribution identification -- avoid odd patching of sources;
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: invoke Scala within the Isabelle environment
isabelle_admin_build jars || exit $?
eval "declare -a JAVA_ARGS=($ISABELLE_JAVA_SYSTEM_OPTIONS)"
declare -a SCALA_ARGS=()
for ARG in "${JAVA_ARGS[@]}"
do
SCALA_ARGS["${#SCALA_ARGS[@]}"]="-J$ARG"
done
[ -n "$CLASSPATH" ] && classpath "$CLASSPATH"
unset CLASSPATH
isabelle_scala scala "${SCALA_ARGS[@]}" \
-classpath "$(platform_path "$ISABELLE_CLASSPATH")" \
-Disabelle.scala.classpath="$(platform_path "$ISABELLE_CLASSPATH")" "$@"