Adding a check to see if user is running lh_clean from a sane location (i.e. not config/), thanks to Kai Hendry <hendry@webconverger.com>.

helpers/lh_clean

@@ -42,6 +42,13 @@ else
 	ARGUMENTS="${@}"
 fi
 
+# Avoid cases were users accidentally nuke their config/binary
+if [ ! -d config ] || [ "$(basename ${PWD})" = "config" ]
+then
+	Echo_error "${PWD} is not a good Debian Live working directory to clean."
+	exit 1
+fi
+
 for ARGUMENT in ${ARGUMENTS}
 do
 	case "${ARGUMENT}" in