From b8dbb48fdce9ffc00d1f3f4267948ee2875d2970 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Thu, 21 Jan 2016 07:25:25 +0000
Subject: [PATCH] Force log messages to be bytestrings

Sys::Syslog is not UTF-8-literate.
---
 IkiWiki.pm | 4 +++-
 t/syslog.t | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/IkiWiki.pm b/IkiWiki.pm
index fe5af6d15..97fe6b8ff 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -846,7 +846,9 @@ sub log_message ($$) {
 			# keep a copy to avoid editing the original config repeatedly
 			my $wikiname = $config{wikiname};
 			utf8::encode($wikiname);
-			Sys::Syslog::syslog($type, "[$wikiname] %s", join(" ", @_));
+			my $message = join(" ", @_);
+			utf8::encode($message);
+			Sys::Syslog::syslog($type, "[$wikiname] %s", $message);
 		};
                 if ($@) {
                     print STDERR "failed to syslog: $@" unless $log_failed;
diff --git a/t/syslog.t b/t/syslog.t
index ffe8635b3..d5c1bc56b 100755
--- a/t/syslog.t
+++ b/t/syslog.t
@@ -12,7 +12,7 @@ $IkiWiki::config{syslog} = 1;
 $IkiWiki::config{wikiname} = 'ASCII';
 is(debug('test'), '', 'plain ASCII syslog');
 $IkiWiki::config{wikiname} = 'not ⒶSCII';
-is(debug('test'), '', 'UTF8 syslog');
+is(debug('𝗧ĕṡҭ'), '', 'UTF8 syslog');
 my $orig = $IkiWiki::config{wikiname};
 is(debug('test'), '', 'check for idempotency');
 is($IkiWiki::config{wikiname}, $orig, 'unchanged config');