+ # backlinks involve back-dependencies, so that nicepagetitle effects,
+ # such as translation status displayed in links, are updated
+ use IkiWiki::Render;
+ map add_depends($page, $_), keys %{$IkiWiki::backlinks{$page}};
+}
+
+# Add the renamed page translations to the list of to-be-renamed pages.
+sub renamepages($$$) {
+ my ($torename, $cgi, $session) = (shift, shift, shift);
+
+ # copy the initial array, so that we can iterate on it AND
+ # modify it at the same time, without iterating on the items we
+ # pushed on it ourselves
+ my @torename=@{$torename};
+
+ # 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 @torename is modified
+ # by other plugins.
+ $session->param(po_orig_torename => [ @torename ]);
+ IkiWiki::cgi_savesession($session);
+
+ foreach my $rename (@torename) {
+ next unless istranslatable($rename->{src});
+ my %otherpages=%{otherlanguages($rename->{src})};
+ while (my ($lang, $otherpage) = each %otherpages) {
+ push @{$torename}, {
+ src => $otherpage,
+ srcfile => $pagesources{$otherpage},
+ dest => otherlanguage($rename->{dest}, $lang),
+ destfile => $rename->{dest}.".".$lang.".po",
+ required => 0,
+ };
+ }
+ }
+}
+
+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's passes on row 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("re-rendering all pages to fix meta titles")));
+ resetalreadyfiltered();
+ require IkiWiki::Render;
+ foreach my $file (@rendered) {
+ debug(sprintf(gettext("rendering %s"), $file));
+ IkiWiki::render($file);
+ }