add --previous at bubulle's suggestion

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

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 3d358b3e2a18137d244f6ea4c995433aec05b3c9..8f169fda59dff443e1189f49af52453d5fd7c641 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -10,7 +10,7 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Encode;
-use Locale::Po4a::Common qw(nowrapi18n);
+use Locale::Po4a::Common qw(nowrapi18n !/.*/);
 use Locale::Po4a::Chooser;
 use Locale::Po4a::Po;
 use File::Basename;
@@ -103,7 +103,7 @@ sub getsetup () {
                },
                po_translatable_pages => {
                        type => "pagespec",
-                       example => "!*/Discussion",
+                       example => "* and !*/Discussion",
                        description => "PageSpec controlling which pages are translatable",
                        link => "ikiwiki/PageSpec",
                        safe => 1,
@@ -119,20 +119,18 @@ sub getsetup () {
 }
 
 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"),
                                      $field, 'po'));
                }
        }
-       if (! (keys %{$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}});
+
        if (! exists $config{po_translatable_pages} ||
            ! defined $config{po_translatable_pages}) {
                $config{po_translatable_pages}="";
@@ -150,7 +148,27 @@ sub checkconfig () {
                warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
                $config{po_link_to}='default';
        }
+
        push @{$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 () {
@@ -370,22 +388,26 @@ sub change (@) {
        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) {
-               my $page=pagename($file);
                my $masterfile=srcfile($file);
+               my $page=pagename($file);
                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.
-               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;
-               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);
                        map { IkiWiki::rcs_add($_) } @pofiles if $config{rcs};
@@ -659,7 +681,6 @@ sub istranslatablefile ($) {
        my $type=pagetype($file);
        return 0 if ! defined $type || $type eq 'po';
        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), $config{po_translatable_pages});
        return;
 }
@@ -807,7 +828,7 @@ sub refreshpofiles ($@) {
        foreach my $pofile (@pofiles) {
                IkiWiki::prep_writefile(basename($pofile),dirname($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"),
                                                 $pofile));
@@ -904,10 +925,10 @@ sub otherlanguagesloop ($) {
                }
        }
        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 (;$) {
@@ -1069,8 +1090,8 @@ sub isvalidpo ($) {
        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"));
 }
 
 # ,----