factor out glob2re

IkiWiki.pm

@@ -1290,6 +1290,13 @@ sub pagespec_valid ($) { #{{{
 	my $sub=pagespec_translate($spec);
 	return ! $@;
 } #}}}
+	
+sub glob2re ($) { #{{{
+	my $re=quotemeta(shift);
+	$re=~s/\\\*/.*/g;
+	$re=~s/\\\?/./g;
+	return $re;
+} #}}}
 
 package IkiWiki::FailReason;
 
@@ -1337,12 +1344,8 @@ sub match_glob ($$;@) { #{{{
 		$glob="$from/$glob" if length $from;
 	}
 
-	# turn glob into safe regexp
-	$glob=quotemeta($glob);
-	$glob=~s/\\\*/.*/g;
-	$glob=~s/\\\?/./g;
-
-	if ($page=~/^$glob$/i) {
+	my $regexp=glob2re($glob);
+	if ($page=~/^$regexp$/i) {
 		if (! IkiWiki::isinternal($page) || $params{internal}) {
 			return IkiWiki::SuccessReason->new("$glob matches $page");
 		}

IkiWiki/Plugin/attachment.pm

@@ -318,11 +318,7 @@ sub match_mimetype ($$;@) { #{{{
 		$mimetype="unknown";
 	}
 
-	# turn glob into a safe regexp
-	my $regexp=quotemeta($wanted);
-	$regexp=~s/\\\*/.*/g;
-	$regexp=~s/\\\?/./g;
-
+	my $regexp=IkiWiki::glob2re($wanted);
 	if ($mimetype!~/^$regexp$/i) {
 		return IkiWiki::FailReason->new("file MIME type is $mimetype, not $wanted");
 	}

IkiWiki/Plugin/meta.pm

@@ -253,9 +253,7 @@ sub match { #{{{
 	my $page=shift;
 	
 	# turn glob into a safe regexp
-	my $re=quotemeta(shift);
-	$re=~s/\\\*/.*/g;
-	$re=~s/\\\?/./g;
+	my $re=IkiWiki::glob2re(shift);
 
 	my $val;
 	if (exists $pagestate{$page}{meta}{$field}) {