From 5359b07a5c61588c680894c9c5ddc7aa47deb275 Mon Sep 17 00:00:00 2001
From: Christian Schneider
Date: Tue, 15 Sep 2020 13:37:29 +0200
Subject: Do not generate warning (PHP 8: TypeError) if STDERR is not a valid
 resource, e.g. in test/getopt.t because of backgrounding?!

---
 it.class | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/it.class b/it.class
index 0d3cdec..45cc2cb 100644
--- a/it.class
+++ b/it.class
@@ -929,7 +929,8 @@ static function getopt($usage, $p = array())
 		it::error("Optional arguments passed to script without optional args in usage"); # FIXME 2020-10 NG merge with normal usage errors below
 	if ($err || $eat || $result['h'] || $result['help'] || $mandatoryargs)
 	{
-		fputs(($result['h'] || $result['help'] ? STDOUT : STDERR), trim($usage) . "\n");
+		if (is_resource($out = $result['h'] || $result['help'] ? STDOUT : STDERR))
+			fputs($out, trim($usage) . "\n");
 		return $p['noexit'] ? false : exit(1);
 	}
 
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