update

[git.ikiwiki.info.git] / IkiWiki / Plugin / po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 1955ac304fc0ce26a8150fdb12f81528321ba046..5d0d9e79dd26074344a642f524d098101e4a21c8 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -10,15 +10,11 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Encode;
 use strict;
 use IkiWiki 3.00;
 use Encode;

-BEGIN {
-       eval 'use Locale::Po4a::Common qw(nowrapi18n)';
-       if ($@) {
-               warning(sprintf(gettext('%s is too old, can not disable %s; '.
-                                       'a denial of service can thus be '.
-                                       'triggered by malicious content'),
-                               'Locale::Po4a', 'Text::WrapI18N'));
-               eval 'use Locale::Po4a::Common';
-       }
+eval q{use Locale::Po4a::Common qw(nowrapi18n !/.*/)};
+if ($@) {
+       print STDERR gettext("warning: Old po4a detected! Recommend upgrade to 0.35.")."\n";
+       eval q{use Locale::Po4a::Common qw(!/.*/)};
+       die $@ if $@;

 }
 use Locale::Po4a::Chooser;
 use Locale::Po4a::Po;
 }
 use Locale::Po4a::Chooser;
 use Locale::Po4a::Po;


@@ -41,11 +37,10 @@ sub import {
        hook(type => "getsetup", id => "po", call => \&getsetup);
        hook(type => "checkconfig", id => "po", call => \&checkconfig);
        hook(type => "needsbuild", id => "po", call => \&needsbuild);
        hook(type => "getsetup", id => "po", call => \&getsetup);
        hook(type => "checkconfig", id => "po", call => \&checkconfig);
        hook(type => "needsbuild", id => "po", call => \&needsbuild);

-       hook(type => "scan", id => "po", call => \&scan, last =>1);
+       hook(type => "scan", id => "po", call => \&scan, last => 1);

        hook(type => "filter", id => "po", call => \&filter);
        hook(type => "htmlize", id => "po", call => \&htmlize);
        hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
        hook(type => "filter", id => "po", call => \&filter);
        hook(type => "htmlize", id => "po", call => \&htmlize);
        hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);

-       hook(type => "postscan", id => "po", call => \&postscan);

        hook(type => "rename", id => "po", call => \&renamepages, first => 1);
        hook(type => "delete", id => "po", call => \&mydelete);
        hook(type => "change", id => "po", call => \&change);
        hook(type => "rename", id => "po", call => \&renamepages, first => 1);
        hook(type => "delete", id => "po", call => \&mydelete);
        hook(type => "change", id => "po", call => \&change);


@@ -64,10 +59,10 @@ sub import {
        inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
        $origsubs{'urlto'}=\&IkiWiki::urlto;
        inject(name => "IkiWiki::urlto", call => \&myurlto);
        inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
        $origsubs{'urlto'}=\&IkiWiki::urlto;
        inject(name => "IkiWiki::urlto", call => \&myurlto);

-       $origsubs{'nicepagetitle'}=\&IkiWiki::nicepagetitle;
-       inject(name => "IkiWiki::nicepagetitle", call => \&mynicepagetitle);

        $origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
        inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);
        $origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
        inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);

+       $origsubs{'rootpage'}=\&IkiWiki::rootpage;
+       inject(name => "IkiWiki::rootpage", call => \&myrootpage);

 }
 
 
 }
 
 


@@ -79,7 +74,7 @@ sub import {
 # 2. Injected functions
 # 3. Blackboxes for private data
 # 4. Helper functions
 # 2. Injected functions
 # 3. Blackboxes for private data
 # 4. Helper functions

-# 5. PageSpec's
+# 5. PageSpecs

 
 
 # ,----
 
 
 # ,----


@@ -106,7 +101,7 @@ sub getsetup () {
                        type => "string",
                        example => {
                                'fr' => 'Français',
                        type => "string",
                        example => {
                                'fr' => 'Français',

-                               'es' => 'Castellano',
+                               'es' => 'Español',

                                'de' => 'Deutsch'
                        },
                        description => "slave languages (PO files)",
                                'de' => 'Deutsch'
                        },
                        description => "slave languages (PO files)",


@@ -115,7 +110,7 @@ sub getsetup () {
                },
                po_translatable_pages => {
                        type => "pagespec",
                },
                po_translatable_pages => {
                        type => "pagespec",

-                       example => "!*/Discussion",
+                       example => "* and !*/Discussion",

                        description => "PageSpec controlling which pages are translatable",
                        link => "ikiwiki/PageSpec",
                        safe => 1,
                        description => "PageSpec controlling which pages are translatable",
                        link => "ikiwiki/PageSpec",
                        safe => 1,


@@ -128,30 +123,21 @@ sub getsetup () {
                        safe => 1,
                        rebuild => 1,
                },
                        safe => 1,
                        rebuild => 1,
                },

-               po_translation_status_in_links => {
-                       type => "boolean",
-                       example => 1,
-                       description => "display translation status in links to translations",
-                       safe => 1,
-                       rebuild => 1,
-               },

 }
 
 sub checkconfig () {
 }
 
 sub checkconfig () {

-       foreach my $field (qw{po_master_language po_slave_languages}) {
+       foreach my $field (qw{po_master_language}) {

                if (! exists $config{$field} || ! defined $config{$field}) {
                        error(sprintf(gettext("Must specify %s when using the %s plugin"),
                                      $field, 'po'));
                }
        }
                if (! exists $config{$field} || ! defined $config{$field}) {
                        error(sprintf(gettext("Must specify %s when using the %s plugin"),
                                      $field, 'po'));
                }
        }

-       if (! (keys %{$config{po_slave_languages}})) {
-               error(gettext("At least one slave language must be defined ".
-                             "in po_slave_languages when using the po plugin"));
-       }
+

        map {
                islanguagecode($_)
                        or error(sprintf(gettext("%s is not a valid language code"), $_));
        } ($config{po_master_language}{code}, keys %{$config{po_slave_languages}});
        map {
                islanguagecode($_)
                        or error(sprintf(gettext("%s is not a valid language code"), $_));
        } ($config{po_master_language}{code}, keys %{$config{po_slave_languages}});

+

        if (! exists $config{po_translatable_pages} ||
            ! defined $config{po_translatable_pages}) {
                $config{po_translatable_pages}="";
        if (! exists $config{po_translatable_pages} ||
            ! defined $config{po_translatable_pages}) {
                $config{po_translatable_pages}="";


@@ -160,9 +146,7 @@ sub checkconfig () {
            ! defined $config{po_link_to}) {
                $config{po_link_to}='default';
        }
            ! defined $config{po_link_to}) {
                $config{po_link_to}='default';
        }

-       elsif (! grep {
-                       $config{po_link_to} eq $_
-               } ('default', 'current', 'negotiated')) {
+       elsif ($config{po_link_to} !~ /^(default|current|negotiated)$/) {

                warn(sprintf(gettext('%s is not a valid value for po_link_to, falling back to po_link_to=default'),
                             $config{po_link_to}));
                $config{po_link_to}='default';
                warn(sprintf(gettext('%s is not a valid value for po_link_to, falling back to po_link_to=default'),
                             $config{po_link_to}));
                $config{po_link_to}='default';


@@ -171,11 +155,27 @@ sub checkconfig () {
                warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
                $config{po_link_to}='default';
        }
                warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
                $config{po_link_to}='default';
        }

-       if (! exists $config{po_translation_status_in_links} ||
-           ! defined $config{po_translation_status_in_links}) {
-               $config{po_translation_status_in_links}=1;
-       }
+

        push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
        push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;

+
+       # Translated versions of the underlays are added if available.
+       foreach my $underlay ("basewiki",
+                             map { m/^\Q$config{underlaydirbase}\E\/*(.*)/ }
+                                 reverse @{$config{underlaydirs}}) {
+               next if $underlay=~/^locale\//;
+
+               # Underlays containing the po files for slave languages.
+               foreach my $ll (keys %{$config{po_slave_languages}}) {
+                       add_underlay("po/$ll/$underlay")
+                               if -d "$config{underlaydirbase}/po/$ll/$underlay";
+               }
+       
+               if ($config{po_master_language}{code} ne 'en') {
+                       # Add underlay containing translated source files
+                       # for the master language.
+                       add_underlay("locale/$config{po_master_language}{code}/$underlay");
+               }
+       }

 }
 
 sub needsbuild () {
 }
 
 sub needsbuild () {


@@ -203,15 +203,10 @@ sub scan (@) {
        my $page=$params{page};
        my $content=$params{content};
 
        my $page=$params{page};
        my $content=$params{content};
 

-       return unless UNIVERSAL::can("IkiWiki::Plugin::link", "import");
-

        if (istranslation($page)) {
                foreach my $destpage (@{$links{$page}}) {
                        if (istranslatable($destpage)) {
        if (istranslation($page)) {
                foreach my $destpage (@{$links{$page}}) {
                        if (istranslatable($destpage)) {

-                               # replace one occurence of $destpage in $links{$page}
-                               # (we only want to replace the one that was added by
-                               # IkiWiki::Plugin::link::scan, other occurences may be
-                               # there for other reasons)
+                               # replace the occurence of $destpage in $links{$page}

                                for (my $i=0; $i<@{$links{$page}}; $i++) {
                                        if (@{$links{$page}}[$i] eq $destpage) {
                                                @{$links{$page}}[$i] = $destpage . '.' . lang($page);
                                for (my $i=0; $i<@{$links{$page}}; $i++) {
                                        if (@{$links{$page}}[$i] eq $destpage) {
                                                @{$links{$page}}[$i] = $destpage . '.' . lang($page);


@@ -259,8 +254,8 @@ sub htmlize (@) {
 
        # force content to be htmlize'd as if it was the same type as the master page
        return IkiWiki::htmlize($page, $page,
 
        # force content to be htmlize'd as if it was the same type as the master page
        return IkiWiki::htmlize($page, $page,

-                               pagetype(srcfile($pagesources{masterpage($page)})),
-                               $content);
+               pagetype(srcfile($pagesources{masterpage($page)})),
+               $content);

 }
 
 sub pagetemplate (@) {
 }
 
 sub pagetemplate (@) {


@@ -275,7 +270,7 @@ sub pagetemplate (@) {
                $template->param(percenttranslated => percenttranslated($page));
        }
        if ($template->query(name => "istranslation")) {
                $template->param(percenttranslated => percenttranslated($page));
        }
        if ($template->query(name => "istranslation")) {

-               $template->param(istranslation => istranslation($page));
+               $template->param(istranslation => scalar istranslation($page));

        }
        if ($template->query(name => "istranslatable")) {
                $template->param(istranslatable => istranslatable($page));
        }
        if ($template->query(name => "istranslatable")) {
                $template->param(istranslatable => istranslatable($page));


@@ -287,22 +282,19 @@ sub pagetemplate (@) {
                $template->param(otherlanguages => [otherlanguagesloop($page)]);
                map add_depends($page, $_), (values %{otherlanguages($page)});
        }
                $template->param(otherlanguages => [otherlanguagesloop($page)]);
                map add_depends($page, $_), (values %{otherlanguages($page)});
        }

-       # 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)) {
-               $template->param('discussionlink' => htmllink(
-                                                       $page,
-                                                       $destpage,
-                                                       $masterpage . '/' . gettext("Discussion"),
-                                                       noimageinline => 1,
-                                                       forcesubpage => 0,
-                                                       linktext => gettext("Discussion"),
-                                                       ));
+       if ($config{discussion} && istranslation($page)) {
+               if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
+                  (length $config{cgiurl} ||
+                   exists $links{$masterpage."/".lc($config{discussionpage})})) {
+                       $template->param('discussionlink' => htmllink(
+                               $page,
+                               $destpage,
+                               $masterpage . '/' . $config{discussionpage},
+                               noimageinline => 1,
+                               forcesubpage => 0,
+                               linktext => $config{discussionpage},
+               ));
+               }

        }
        # Remove broken parentlink to ./index.html on home page's translations.
        # It works because this hook has the "last" parameter set, to ensure it
        }
        # Remove broken parentlink to ./index.html on home page's translations.
        # It works because this hook has the "last" parameter set, to ensure it


@@ -312,59 +304,55 @@ sub pagetemplate (@) {
            && $masterpage eq "index") {
                $template->param('parentlinks' => []);
        }
            && $masterpage eq "index") {
                $template->param('parentlinks' => []);
        }

+       if (ishomepage($page) && $template->query(name => "title")) {
+               $template->param(title => $config{wikiname});
+       }

 } # }}}
 
 } # }}}
 

-sub postscan (@) {
-       my %params = @_;
-       my $page = $params{page};
-
-       # backlinks involve back-dependencies, so that nicepagetitle effects,
-       # such as translation status displayed in links, are updated
-       use IkiWiki::Render;
-       map add_depends($page, $_), keys %{$IkiWiki::backlinks{$page}};
-}
-

 # Add the renamed page translations to the list of to-be-renamed pages.
 # Add the renamed page translations to the list of to-be-renamed pages.

-sub renamepages($$$) {
-       my ($torename, $cgi, $session) = (shift, shift, shift);
+sub renamepages (@) {
+       my %params = @_;

 
 

-       # 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=@{$torename};
+       my %torename = %{$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
 
        # 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.
-       $session->param(po_orig_torename => [ @torename ]);
+       # This is why this hook has to be run first, before the list of pages
+       # to rename is modified by other plugins.
+       my @orig_torename;
+       @orig_torename=@{$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);
 
        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,
-                       };
-               }
+       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(@) {
+sub mydelete (@) {

        my @deleted=@_;
 
        map { deletetranslations($_) } grep istranslatablefile($_), @deleted;
 }
 
        my @deleted=@_;
 
        map { deletetranslations($_) } grep istranslatablefile($_), @deleted;
 }
 

-sub change(@) {
+sub change (@) {

        my @rendered=@_;
 
        # All meta titles are first extracted at scan time, i.e. before we turn
        my @rendered=@_;
 
        # All meta titles are first extracted at scan time, i.e. before we turn


@@ -372,14 +360,14 @@ sub change(@) {
        # PO files breaks the meta plugin's parsing enough to save ugly titles
        # to %pagestate at this time.
        #
        # 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
+       # 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.
        #
        # 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.
+       # 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 one hand, such a corner case only happens on rebuild: on
        # refresh, every rendered page is fixed to contain correct meta titles.


@@ -394,11 +382,11 @@ sub change(@) {
            && exists $config{meta_overrides_page_title}
            && defined $config{meta_overrides_page_title}
            && $config{meta_overrides_page_title}) {
            && 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")));
+               debug(sprintf(gettext("rebuilding all pages to fix meta titles")));

                resetalreadyfiltered();
                require IkiWiki::Render;
                foreach my $file (@rendered) {
                resetalreadyfiltered();
                require IkiWiki::Render;
                foreach my $file (@rendered) {

-                       debug(sprintf(gettext("rendering %s"), $file));
+                       debug(sprintf(gettext("building %s"), $file));

                        IkiWiki::render($file);
                }
        }
                        IkiWiki::render($file);
                }
        }


@@ -406,25 +394,29 @@ sub change(@) {
        my $updated_po_files=0;
 
        # Refresh/create POT and PO files as needed.
        my $updated_po_files=0;
 
        # Refresh/create POT and PO files as needed.

+       # (But avoid doing so if they are in an underlay directory.)

        foreach my $file (grep {istranslatablefile($_)} @rendered) {
        foreach my $file (grep {istranslatablefile($_)} @rendered) {

-               my $page=pagename($file);

                my $masterfile=srcfile($file);
                my $masterfile=srcfile($file);

+               my $page=pagename($file);

                my $updated_pot_file=0;
                my $updated_pot_file=0;

-               # Only refresh Pot file if it does not exist, or if
+               # Only refresh POT file if it does not exist, or if

                # $pagesources{$page} was changed: don't if only the HTML was
                # refreshed, e.g. because of a dependency.
                # $pagesources{$page} was changed: don't if only the HTML was
                # refreshed, e.g. because of a dependency.

-               if ((grep { $_ eq $pagesources{$page} } @origneedsbuild)
-                   || ! -e potfile($masterfile)) {
+               if ($masterfile eq "$config{srcdir}/$file" &&
+                  ((grep { $_ eq $pagesources{$page} } @origneedsbuild)
+                   || ! -e potfile($masterfile))) {

                        refreshpot($masterfile);
                        $updated_pot_file=1;
                }
                my @pofiles;
                        refreshpot($masterfile);
                        $updated_pot_file=1;
                }
                my @pofiles;

-               map {
-                       push @pofiles, $_ if ($updated_pot_file || ! -e $_);
-               } (pofiles($masterfile));
+               foreach my $po (pofiles($masterfile)) {
+                       next if ! $updated_pot_file && ! -e $po;
+                       next if grep { $po=~/\Q$_\E/ } @{$config{underlaydirs}};
+                       push @pofiles, $po;
+               }

                if (@pofiles) {
                        refreshpofiles($masterfile, @pofiles);
                if (@pofiles) {
                        refreshpofiles($masterfile, @pofiles);

-                       map { IkiWiki::rcs_add($_) } @pofiles if $config{rcs};
+                       map { s/^\Q$config{srcdir}\E\/*//; IkiWiki::rcs_add($_) } @pofiles if $config{rcs};

                        $updated_po_files=1;
                }
        }
                        $updated_po_files=1;
                }
        }


@@ -451,19 +443,19 @@ sub checkcontent (@) {
        return undef;
 }
 
        return undef;
 }
 

-sub canremove ($$$) {
-       my ($page, $cgi, $session) = (shift, shift, shift);
+sub canremove (@) {
+       my %params = @_;

 
 

-       if (istranslation($page)) {
-               return gettext("Can not remove a translation. Removing the master page, ".
-                              "though, removes its translations as well.");
+       if (istranslation($params{page})) {
+               return gettext("Can not remove a translation. If the master page is removed, ".
+                              "however, its translations will be removed as well.");

        }
        return undef;
 }
 
        }
        return undef;
 }
 

-sub canrename ($$@) {
-       my ($cgi, $session) = (shift, shift);
+sub canrename (@) {

        my %params = @_;
        my %params = @_;

+       my $session = $params{session};

 
        if (istranslation($params{src})) {
                my $masterpage = masterpage($params{src});
 
        if (istranslation($params{src})) {
                my $masterpage = masterpage($params{src});


@@ -474,9 +466,9 @@ sub canrename ($$@) {
                # by looking for the master page in the list of to-be-renamed pages we
                # saved early in the renaming process.
                my $orig_torename = $session->param("po_orig_torename");
                # by looking for the master page in the list of to-be-renamed pages we
                # saved early in the renaming process.
                my $orig_torename = $session->param("po_orig_torename");

-               unless (grep { $_->{src} eq $masterpage } @{$orig_torename}) {
-                       return gettext("Can not rename a translation. Renaming the master page, ".
-                                      "though, renames its translations as well.");
+               unless (grep { $_ eq $masterpage } @{$orig_torename}) {
+                       return gettext("Can not rename a translation. If the master page is renamed, ".
+                                      "however, its translations will be renamed as well.");

                }
        }
        return undef;
                }
        }
        return undef;


@@ -539,15 +531,23 @@ sub formbuilder (@) {
        if ($form->field("do") eq "create") {
                foreach my $field ($form->field) {
                        next unless "$field" eq "type";
        if ($form->field("do") eq "create") {
                foreach my $field ($form->field) {
                        next unless "$field" eq "type";

-                       if ($field->type eq 'select') {
-                               # remove po from the list of types
-                               my @types = grep { $_ ne 'po' } $field->options;
-                               $field->options(\@types) if @types;
-                       }
-                       else {
-                               # make sure the default value is not po;
-                               # does this case actually happen?
-                               debug "po(formbuilder) ".gettext("type field is not selected - not implemented yet");
+                       next unless $field->type eq 'select';
+                       my $orig_value = $field->value;
+                       # remove po from the list of types
+                       my @types = grep { $_->[0] ne 'po' } $field->options;
+                       $field->options(\@types) if @types;
+                       # favor the type of linking page's masterpage
+                       if ($orig_value eq 'po') {
+                               my ($from, $type);
+                               if (defined $form->field('from')) {
+                                       ($from)=$form->field('from')=~/$config{wiki_file_regexp}/;
+                                       $from = masterpage($from);
+                               }
+                               if (defined $from && exists $pagesources{$from}) {
+                                       $type=pagetype($pagesources{$from});
+                               }
+                               $type=$config{default_pageext} unless defined $type;
+                               $field->value($type) ;

                        }
                }
        }
                        }
                }
        }


@@ -562,11 +562,16 @@ sub mybestlink ($$) {
        my $page=shift;
        my $link=shift;
 
        my $page=shift;
        my $link=shift;
 

+       return $origsubs{'bestlink'}->($page, $link)
+               if $config{po_link_to} eq "default";
+

        my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
        my $res=$origsubs{'bestlink'}->(masterpage($page), $link);

+       my @caller = caller(1);

        if (length $res
        if (length $res

-           && ($config{po_link_to} eq "current" || $config{po_link_to} eq "negotiated")

            && istranslatable($res)
            && istranslatable($res)

-           && istranslation($page)) {
+           && istranslation($page)
+           &&  !(exists $caller[3] && defined $caller[3]
+                 && ($caller[3] eq "IkiWiki::PageSpec::match_link"))) {

                return $res . "." . lang($page);
        }
        return $res;
                return $res . "." . lang($page);
        }
        return $res;


@@ -617,17 +622,21 @@ sub myurlto ($$;$) {
        # so that one is redirected to the just-edited page rather than to the
        # negociated translation; to prevent unnecessary fiddling with caller/inject,
        # we only do so when our beautify_urlpath would actually do what we want to
        # so that one is redirected to the just-edited page rather than to the
        # negociated translation; to prevent unnecessary fiddling with caller/inject,
        # we only do so when our beautify_urlpath would actually do what we want to

-       # avoid, i.e. when po_link_to = negotiated
+       # avoid, i.e. when po_link_to = negotiated.
+       # also avoid doing so when run by cgi_goto, so that the links on recentchanges
+       # page actually lead to the exact page they pretend to.

        if ($config{po_link_to} eq "negotiated") {
                my @caller = caller(1);
        if ($config{po_link_to} eq "negotiated") {
                my @caller = caller(1);

-               my $run_by_editpage = 0;
-               $run_by_editpage = 1 if (exists $caller[3] && defined $caller[3]
-                                        && $caller[3] eq "IkiWiki::cgi_editpage");
+               my $use_orig = 0;
+               $use_orig = 1 if (exists $caller[3] && defined $caller[3]
+                                && ($caller[3] eq "IkiWiki::cgi_editpage" ||
+                                    $caller[3] eq "IkiWiki::Plugin::goto::cgi_goto")
+                                );

                inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'})
                inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'})

-                       if $run_by_editpage;
+                       if $use_orig;

                my $res = $origsubs{'urlto'}->($to,$from,$absolute);
                inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath)
                my $res = $origsubs{'urlto'}->($to,$from,$absolute);
                inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath)

-                       if $run_by_editpage;
+                       if $use_orig;

                return $res;
        }
        else {
                return $res;
        }
        else {


@@ -635,18 +644,6 @@ sub myurlto ($$;$) {
        }
 }
 
        }
 }
 

-sub mynicepagetitle ($;$) {
-       my ($page, $unescaped) = (shift, shift);
-
-       my $res = $origsubs{'nicepagetitle'}->($page, $unescaped);
-       return $res unless istranslation($page);
-       return $res unless $config{po_translation_status_in_links};
-       my @caller = caller(1);
-       return $res if (exists $caller[3] && defined $caller[3]
-                       && $caller[3] eq "IkiWiki::Plugin::parentlinks::parentlinks");
-       return $res.' ('.percenttranslated($page).'&nbsp;%)';
-}
-

 sub mycgiurl (@) {
        my %params=@_;
 
 sub mycgiurl (@) {
        my %params=@_;
 


@@ -657,6 +654,22 @@ sub mycgiurl (@) {
        return $origsubs{'cgiurl'}->(%params);
 }
 
        return $origsubs{'cgiurl'}->(%params);
 }
 

+sub myrootpage (@) {
+       my %params=@_;
+
+       my $rootpage;
+       if (exists $params{rootpage}) {
+               $rootpage=$origsubs{'bestlink'}->($params{page}, $params{rootpage});
+               if (!length $rootpage) {
+                       $rootpage=$params{rootpage};
+               }
+       }
+       else {
+               $rootpage=masterpage($params{page});
+       }
+       return $rootpage;
+}
+

 # ,----
 # | Blackboxes for private data
 # `----
 # ,----
 # | Blackboxes for private data
 # `----


@@ -668,8 +681,8 @@ sub mycgiurl (@) {
                my $page=shift;
                my $destpage=shift;
 
                my $page=shift;
                my $destpage=shift;
 

-               return ( exists $filtered{$page}{$destpage}
-                        && $filtered{$page}{$destpage} eq 1 );
+               return exists $filtered{$page}{$destpage}
+                        && $filtered{$page}{$destpage} eq 1;

        }
 
        sub setalreadyfiltered($$) {
        }
 
        sub setalreadyfiltered($$) {


@@ -709,9 +722,9 @@ sub istranslatablefile ($) {
        my $file=shift;
 
        return 0 unless defined $file;
        my $file=shift;
 
        return 0 unless defined $file;

-       return 0 if defined pagetype($file) && pagetype($file) eq 'po';
+       my $type=pagetype($file);
+       return 0 if ! defined $type || $type eq 'po';

        return 0 if $file =~ /\.pot$/;
        return 0 if $file =~ /\.pot$/;

-       return 0 unless -e "$config{srcdir}/$file"; # underlay dirs may be read-only

        return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
        return;
 }
        return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
        return;
 }


@@ -777,7 +790,7 @@ sub lang ($) {
 sub islanguagecode ($) {
        my $code=shift;
 
 sub islanguagecode ($) {
        my $code=shift;
 

-       return ($code =~ /^[a-z]{2}$/);
+       return $code =~ /^[a-z]{2}$/;

 }
 
 sub otherlanguage ($$) {
 }
 
 sub otherlanguage ($$) {


@@ -835,9 +848,10 @@ sub refreshpot ($) {
        $doc->{TT}{file_in_charset} = 'utf-8';
        $doc->{TT}{file_out_charset} = 'utf-8';
        $doc->read($masterfile);
        $doc->{TT}{file_in_charset} = 'utf-8';
        $doc->{TT}{file_out_charset} = 'utf-8';
        $doc->read($masterfile);

-       # let's cheat a bit to force porefs option to be passed to Locale::Po4a::Po;
-       # this is undocument use of internal Locale::Po4a::TransTractor's data,
-       # compulsory since this module prevents us from using the porefs option.
+       # let's cheat a bit to force porefs option to be passed to
+       # Locale::Po4a::Po; this is undocument use of internal
+       # Locale::Po4a::TransTractor's data, compulsory since this module
+       # prevents us from using the porefs option.

        $doc->{TT}{po_out}=Locale::Po4a::Po->new({ 'porefs' => 'none' });
        $doc->{TT}{po_out}->set_charset('utf-8');
        # do the actual work
        $doc->{TT}{po_out}=Locale::Po4a::Po->new({ 'porefs' => 'none' });
        $doc->{TT}{po_out}->set_charset('utf-8');
        # do the actual work


@@ -857,8 +871,23 @@ sub refreshpofiles ($@) {
 
        foreach my $pofile (@pofiles) {
                IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
 
        foreach my $pofile (@pofiles) {
                IkiWiki::prep_writefile(basename($pofile),dirname($pofile));

+
+               if (! -e $pofile) {
+                       # If the po file exists in an underlay, copy it
+                       # from there.
+                       my ($pobase)=$pofile=~/^\Q$config{srcdir}\E\/?(.*)$/;
+                       foreach my $dir (@{$config{underlaydirs}}) {
+                               if (-e "$dir/$pobase") {
+                                       File::Copy::syscopy("$dir/$pobase",$pofile)
+                                               or error("po(refreshpofiles) ".
+                                                        sprintf(gettext("failed to copy underlay PO file to %s"),
+                                                                $pofile));
+                               }
+                       }
+               }
+

                if (-e $pofile) {
                if (-e $pofile) {

-                       system("msgmerge", "-U", "--backup=none", $pofile, $potfile) == 0
+                       system("msgmerge", "--previous", "-q", "-U", "--backup=none", $pofile, $potfile) == 0

                                or error("po(refreshpofiles) ".
                                         sprintf(gettext("failed to update %s"),
                                                 $pofile));
                                or error("po(refreshpofiles) ".
                                         sprintf(gettext("failed to update %s"),
                                                 $pofile));


@@ -945,7 +974,7 @@ sub otherlanguagesloop ($) {
                                master => 1,
                        };
                }
                                master => 1,
                        };
                }

-               else {
+               elsif (istranslation($otherpage)) {

                        push @ret, {
                                url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
                                code => $lang,
                        push @ret, {
                                url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
                                code => $lang,


@@ -955,10 +984,10 @@ sub otherlanguagesloop ($) {
                }
        }
        return sort {
                }
        }
        return sort {

-                       return -1 if $a->{code} eq $config{po_master_language}{code};
-                       return 1 if $b->{code} eq $config{po_master_language}{code};
-                       return $a->{language} cmp $b->{language};
-               } @ret;
+               return -1 if $a->{code} eq $config{po_master_language}{code};
+               return 1 if $b->{code} eq $config{po_master_language}{code};
+               return $a->{language} cmp $b->{language};
+       } @ret;

 }
 
 sub homepageurl (;$) {
 }
 
 sub homepageurl (;$) {


@@ -967,6 +996,14 @@ sub homepageurl (;$) {
        return urlto('', $page);
 }
 
        return urlto('', $page);
 }
 

+sub ishomepage ($) {
+       my $page = shift;
+
+       return 1 if $page eq 'index';
+       map { return 1 if $page eq 'index.'.$_ } keys %{$config{po_slave_languages}};
+       return undef;
+}
+

 sub deletetranslations ($) {
        my $deletedmasterfile=shift;
 
 sub deletetranslations ($) {
        my $deletedmasterfile=shift;
 


@@ -1120,18 +1157,15 @@ sub isvalidpo ($) {
        if ($res) {
            return IkiWiki::SuccessReason->new("valid gettext data");
        }
        if ($res) {
            return IkiWiki::SuccessReason->new("valid gettext data");
        }

-       return IkiWiki::FailReason->new("invalid gettext data, go back ".
-                                       "to previous page to go on with edit");
+       return IkiWiki::FailReason->new(gettext("invalid gettext data, go back ".
+                                       "to previous page to continue edit"));

 }
 
 # ,----
 }
 
 # ,----

-# | PageSpec's
+# | PageSpecs

 # `----
 
 package IkiWiki::PageSpec;
 # `----
 
 package IkiWiki::PageSpec;

-use warnings;
-use strict;
-use IkiWiki 2.00;

 
 sub match_istranslation ($;@) {
        my $page=shift;
 
 sub match_istranslation ($;@) {
        my $page=shift;