From 24168b993e65994d2996d02bfaa36fb80bb65ca7 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@debian.org>
Date: Sun, 18 Mar 2012 17:34:39 +0000
Subject: Add a build_affected hook so trail doesn't have to inject

In principle, building any pages affected by links, backlinks etc.
could work the same way.
---
 IkiWiki/Render.pm | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'IkiWiki/Render.pm')

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 05132a8a8..adb39a983 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -800,6 +800,14 @@ sub refresh () {
 		derender_internal($file);
 	}
 
+	run_hooks(build_affected => sub {
+		my %affected = shift->();
+		while (my ($page, $message) = each %affected) {
+			next unless exists $pagesources{$page};
+			render($pagesources{$page}, $message);
+		}
+	});
+
 	my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
 		$del, $oldlink_targets);
 
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