From 321bf7ec19641d12626c71f87792b4edf40aa306 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Wed, 17 Nov 2010 20:04:55 +0000
Subject: [PATCH] match_glob: streamline glob cache slightly

---
 IkiWiki.pm | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 75b7a7b3e..57e23fda8 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -2493,8 +2493,7 @@ sub match_glob ($$;@) {
 
 	# Instead of converting the glob to a regex every time,
 	# cache the compiled regex to save time.
-	if (!exists $glob_cache{$glob}
-			or !defined $glob_cache{$glob}) {
+	if (!defined $glob_cache{$glob}) {
 		my $re = IkiWiki::glob2re($glob);
 		$glob_cache{$glob} = qr/^$re$/i;
 	}