From 88da55c5d186efaa3ca802881c3cb1533f9c8145 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Mon, 9 Jan 2017 14:27:56 +0000
Subject: [PATCH] check_canchange: report invalid filenames as intended

Instead of logging "bad file name %s" and attempting to call the
(string) filename as a subroutine, actually do the intended
sprintf operation.
---
 IkiWiki.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IkiWiki.pm b/IkiWiki.pm
index fa71f4791..6aa49229a 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -1826,7 +1826,7 @@ sub check_canchange (@) {
 		$file=possibly_foolish_untaint($file);
 		if (! defined $file || ! length $file ||
 		    file_pruned($file)) {
-			error(gettext("bad file name %s"), $file);
+			error(sprintf(gettext("bad file name %s"), $file));
 		}
 
 		my $type=pagetype($file);