pedigree: fix RELDEPTH in PEDIGREE_BUT_ROOT...

... at least when it's not used in the same template as
PEDIGREE_BUT_TWO_OLDEST (see Known bugs section in pedigree.mdwn for
details)

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

diff --git a/IkiWiki/Plugin/pedigree.pm b/IkiWiki/Plugin/pedigree.pm
index 3d1e3764d9f8fd110e0a9d06044e8c90c8864409..1bc9ee14db9c00bd642cadeb941a291e274438ab 100644 (file)
--- a/IkiWiki/Plugin/pedigree.pm
+++ b/IkiWiki/Plugin/pedigree.pm
@@ -54,8 +54,11 @@ sub forget_oldest ($@) { #{{{
                        # references to hashes)...
                        $parent=shift @pedigree;
                        # ... but we have no copy of the referenced hashes, so we
-                       # actually are modifying them in-place, but we don't care
-                       # here since reldepth has to be computed everytime anyway.
+                       # actually are modifying them in-place, which
+                       # means the second (and following) calls to
+                       # this function overwrite the previous one's
+                       # reldepth values => known bug if PEDIGREE_BUT_ROOT and
+                       # PEDIGREE_BUT_TWO_OLDEST are used in the same template
                        $parent->{reldepth}=($parent->{absdepth} - $offset);
                        push @ret, $parent;
                }
@@ -68,16 +71,18 @@ sub pagetemplate (@) { #{{{
         my $page=$params{page};
         my $template=$params{template};
 
-       if ($template->query(name => "pedigree")
-           or $template->query(name => "pedigree_but_root")
-           or $template->query(name => "pedigree_but_two_oldest")
-          )
-         {
-                 my @pedigree=pedigree($page);
-                 $template->param(pedigree => \@pedigree);
-                 $template->param(pedigree_but_root => [forget_oldest(1, @pedigree)]);
-                 $template->param(pedigree_but_two_oldest => [forget_oldest(2, @pedigree)]);
-         }
+       my @pedigree=pedigree($page)
+         if ($template->query(name => "pedigree")
+             or $template->query(name => "pedigree_but_root")
+             or $template->query(name => "pedigree_but_two_oldest")
+            );
+
+       $template->param(pedigree => \@pedigree)
+         if ($template->query(name => "pedigree"));
+       $template->param(pedigree_but_root => [forget_oldest(1, @pedigree)])
+         if ($template->query(name => "pedigree_but_root"));
+       $template->param(pedigree_but_two_oldest => [forget_oldest(2, @pedigree)])
+         if ($template->query(name => "pedigree_but_two_oldest"));
 
 } # }}}