clarified persistent data: digest may help to synchronize files, without requiring read / uncompress;
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: run the Electron.js framework within the Isabelle environment
if [ -z "$ISABELLE_VSCODIUM_ELECTRON" ]; then
echo '*** Undefined $ISABELLE_VSCODIUM_ELECTRON: missing "vscodium" component'
exit 2
else
exec "$ISABELLE_VSCODIUM_ELECTRON" "$@"
fi