V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

lib/cdi_0010_basic/0012_calculate_runtime.sh

@@ -15,9 +15,8 @@ guard_sourcing
 #######################################
 # Calculates total runtime of the CISS.debian.installer.
 # Globals:
-#   VAR_END_TIME
+#   SECONDS
 #   VAR_SCRIPT_RUNTIME
-#   VAR_START_TIME
 # Arguments:
 #   None
 # Returns:
@@ -33,4 +32,7 @@ calculate_runtime() {
   declare -grx VAR_SCRIPT_RUNTIME="$(printf "%02dh %02dm %02ds" "${var_hours}" "${var_minutes}" "${var_seconds}")"
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f calculate_runtime
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh