From 9c13e29d4fbb85a83b0ed5fd7271d7c1688fbc07 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@ http://smcv.pseudorandom.co.uk/>
Date: Thu, 18 Jun 2009 18:27:00 +0100
Subject: [PATCH] IkiWiki::Render: split out backlink_pages() function from
 backlinks()

This separates style from content - backlinks() performs lossy
transformations on the page names to get it in the form that the page
template wants.
---
 IkiWiki/Render.pm | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 2da18738d..6900d5eed 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -24,13 +24,19 @@ sub calculate_backlinks () {
 	$backlinks_calculated=1;
 }
 
-sub backlinks ($) {
+sub backlink_pages ($) {
 	my $page=shift;
 
 	calculate_backlinks();
 
+	return keys %{$backlinks{$page}};
+}
+
+sub backlinks ($) {
+	my $page=shift;
+
 	my @links;
-	foreach my $p (keys %{$backlinks{$page}}) {
+	foreach my $p (backlink_pages($page)) {
 		my $href=urlto($p, $page);
                 
 		# Trim common dir prefixes from both pages.
-- 
2.26.2