+ my %torename = %{$params{torename}};
+ my $session = $params{session};
+
+ # Save the page(s) the user asked to rename, so that our
+ # canrename hook can tell the difference between:
+ # - a translation being renamed as a consequence of its master page
+ # being renamed
+ # - a user trying to directly rename a translation
+ # This is why this hook has to be run first, before the list of pages
+ # to rename is modified by other plugins.
+ my @orig_torename;
+ @orig_torename=@{$session->param("po_orig_torename")}
+ if defined $session->param("po_orig_torename");
+ push @orig_torename, $torename{src};
+ $session->param(po_orig_torename => \@orig_torename);
+ IkiWiki::cgi_savesession($session);
+
+ return () unless istranslatable($torename{src});
+
+ my @ret;
+ my %otherpages=%{otherlanguages($torename{src})};
+ while (my ($lang, $otherpage) = each %otherpages) {
+ push @ret, {
+ src => $otherpage,
+ srcfile => $pagesources{$otherpage},
+ dest => otherlanguage($torename{dest}, $lang),
+ destfile => $torename{dest}.".".$lang.".po",
+ required => 0,
+ };
+ }
+ return @ret;
+}
+
+sub mydelete (@) {
+ my @deleted=@_;
+
+ map { deletetranslations($_) } grep istranslatablefile($_), @deleted;
+}
+
+sub change (@) {
+ my @rendered=@_;
+
+ # All meta titles are first extracted at scan time, i.e. before we turn
+ # PO files back into translated markdown; escaping of double-quotes in
+ # PO files breaks the meta plugin's parsing enough to save ugly titles
+ # to %pagestate at this time.
+ #
+ # Then, at render time, every page passes in turn through the Great
+ # Rendering Chain (filter->preprocess->linkify->htmlize), and the meta
+ # plugin's preprocess hook is this time in a position to correctly
+ # extract the titles from slave pages.
+ #
+ # This is, unfortunately, too late: if the page A, linking to the page
+ # B, is rendered before B, it will display the wrongly-extracted meta
+ # title as the link text to B.
+ #
+ # On the one hand, such a corner case only happens on rebuild: on
+ # refresh, every rendered page is fixed to contain correct meta titles.
+ # On the other hand, it can take some time to get every page fixed.
+ # We therefore re-render every rendered page after a rebuild to fix them
+ # at once. As this more or less doubles the time needed to rebuild the
+ # wiki, we do so only when really needed.
+
+ if (@rendered
+ && exists $config{rebuild} && defined $config{rebuild} && $config{rebuild}
+ && UNIVERSAL::can("IkiWiki::Plugin::meta", "getsetup")
+ && exists $config{meta_overrides_page_title}
+ && defined $config{meta_overrides_page_title}
+ && $config{meta_overrides_page_title}) {
+ debug(sprintf(gettext("rebuilding all pages to fix meta titles")));
+ resetalreadyfiltered();
+ require IkiWiki::Render;
+ foreach my $file (@rendered) {
+ IkiWiki::render($file, sprintf(gettext("building %s"), $file));
+ }