important robustness fix

diff --git a/IkiWiki/Plugin/ddate.pm b/IkiWiki/Plugin/ddate.pm
index 3bd6c6f73365bca9eb0719c5b15a0c133f7f7db7..4e9d919a3bd182f88227a650616de48b94a2cf25 100644 (file)
--- a/IkiWiki/Plugin/ddate.pm
+++ b/IkiWiki/Plugin/ddate.pm
@@ -23,6 +23,9 @@ sub IkiWiki::displaytime ($) { #{{{
         my $gregorian=POSIX::strftime("%d %m %Y", localtime($time));
        my $date=`ddate +'$IkiWiki::config{timeformat}' $gregorian`;
        chomp $date;
+       if ($? || ! length $date) {
+               return "some time or other (hail Eris!)";
+       }
        return $date;
 } #}}}