po plugin: slave pages link to the master's discussion page

Signed-off-by: intrigeri <intrigeri@boum.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 155af706f..9dda8c0db 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -391,6 +391,7 @@ sub otherlanguages ($) { #{{{
 sub pagetemplate (@) { #{{{
 	my %params=@_;
         my $page=$params{page};
+        my $destpage=$params{destpage};
         my $template=$params{template};
 
 	if (istranslation($page) && $template->query(name => "percenttranslated")) {
@@ -417,6 +418,24 @@ sub pagetemplate (@) { #{{{
 			}
 		}
 	}
+	# Rely on IkiWiki::Render's genpage() to decide wether
+	# a discussion link should appear on $page; this is not
+	# totally accurate, though: some broken links may be generated
+	# when cgiurl is disabled.
+	# This compromise avoids some code duplication, and will probably
+	# prevent future breakage when ikiwiki internals change.
+	# Known limitations are preferred to future random bugs.
+	if ($template->param('discussionlink') && istranslation($page)) {
+		my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+		$template->param('discussionlink' => htmllink(
+							$page,
+							$destpage,
+							$masterpage . '/' . gettext("Discussion"),
+							noimageinline => 1,
+							forcesubpage => 0,
+							linktext => gettext("Discussion"),
+							));
+	}
 } # }}}
 
 sub istranslatable ($) { #{{{