From 88c66d375884570386855792ad6652e0ed971869 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Wed, 21 Mar 2018 09:00:41 +0000
Subject: [PATCH] meta: Make syntactically invalid dates an error

If for some reason you want to create <meta name="date" content="12345">,
this now requires [[!meta name="date" content="12345"]].

Signed-off-by: Simon McVittie <smcv@debian.org>
---
 IkiWiki/Plugin/meta.pm | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index ea099f955..4a9852b72 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -155,14 +155,24 @@ sub preprocess (@) {
 		eval q{use Date::Parse};
 		if (! $@) {
 			my $time = str2time($value);
-			$IkiWiki::pagectime{$page}=$time if defined $time;
+			if (defined $time) {
+				$IkiWiki::pagectime{$page}=$time;
+			}
+			else {
+				error(sprintf(gettext('cannot parse date/time: %s'), $value));
+			}
 		}
 	}
 	elsif ($key eq 'updated') {
 		eval q{use Date::Parse};
 		if (! $@) {
 			my $time = str2time($value);
-			$pagestate{$page}{meta}{updated}=$time if defined $time;
+			if (defined $time) {
+				$pagestate{$page}{meta}{updated}=$time;
+			}
+			else {
+				error(sprintf(gettext('cannot parse date/time: %s'), $value));
+			}
 		}
 	}