ci: fix bashshell lint

        _cond_val=$(echo "$_cond_val" | tr '[:punct:]' '_')

        # retrieve comparison value

        _cmp_val_prefix="scoped__${_target_var}__${_condition}__${_cond_var}__${_test_op}__"

        _cmp_val=${_scoped_var#$_cmp_val_prefix}

        _cmp_val=${_scoped_var#"$_cmp_val_prefix"}

        # manage 'ignore case'

        if [[ "$_test_op" == *_ic ]]

        then