warn when trying to use defaults on boolean options in it::getopt

1 files changed, 7 insertions, 2 deletions

diff --git a/it.class b/it.class
index 91c10c1..7f2dc1e 100644
--- a/it.class
+++ b/it.class
@@ -739,8 +739,13 @@ static function getopt($helplines, $p = array())
 				list($shortoptname, $shortoptarg) = $matches;
 		}	
 
-		if (($longoptarg || $shortoptarg) && ($default = it::match('\[(.*)\]\s*$', $helpline)))
-			$defaults[$longoptname ? $longoptname : $shortoptname] = it::replace(array('^default:?\s*' => ""), trim($default));
+		if ($default = it::match('\[(.*)\]\s*$', $helpline))
+		{
+			if ($longoptarg || $shortoptarg)
+				$defaults[$longoptname ? $longoptname : $shortoptname] = it::replace(array('^default:?\s*' => ""), trim($default));
+			else if (($longoptname || $shortoptname) && it::match('^\w+$', $default))
+				it::error('defaults for boolean arguments not supported!');
+		}
 
 		if ($longoptname || $shortoptname)
 		{