build/i18n-update.pl

   1 #!/usr/bin/perl
   2
   3 @ARGV <= 2 || die "Usage: $0 [<po directory>] [<file pattern>]\n";
   4
   5 my $source  = shift @ARGV;
   6 my $pattern = shift @ARGV || '*.po';
   7
   8 sub read_header
   9 {
  10         my $file = shift || return;
  11         local $/;
  12
  13         open P, "< $file" || die "open(): $!";
  14         my $data = readline P;
  15         close P;
  16
  17         $data =~ /
  18                 ^ (
  19                 msgid \s "" \n
  20                 msgstr \s "" \n
  21                 (?: " [^\n]+ " \n )+
  22                 \n )
  23         /mx;
  24
  25         return $1;
  26 }
  27
  28 sub write_header
  29 {
  30         my $file = shift || return;
  31         my $head = shift || return;
  32         local $/;
  33
  34         open P, "< $file" || die "open(): $!";
  35         my $data = readline P;
  36         close P;
  37
  38         $data =~ s/
  39                 ^ (
  40                 msgid \s "" \n
  41                 msgstr \s "" \n
  42                 (?: " [^\n]+ " \n )+
  43                 \n )
  44         /$head/mx;
  45
  46         open P, "> $file" || die "open(): $!";
  47         print P $data;
  48         close P;
  49 }
  50
  51 my @dirs;
  52
  53 if( ! $source )
  54 {
  55         @dirs = glob("./*/*/po/");
  56 }
  57 else
  58 {
  59         @dirs = ( $source );
  60 }
  61
  62 foreach my $dir (@dirs)
  63 {
  64         if( open F, "find $dir -type f -name '$pattern' |" )
  65         {
  66                 while( chomp( my $file = readline F ) )
  67                 {
  68                         my ( $basename ) = $file =~ m{.+/([^/]+)\.po$};
  69
  70                         if( -f "$dir/templates/$basename.pot" )
  71                         {
  72                                 my $head = read_header($file);
  73
  74                                 printf "Updating %-40s", $file;
  75                                 system("msgmerge", "-U", "-N", $file, "$dir/templates/$basename.pot");
  76
  77                                 write_header($file, $head);
  78                         }
  79                 }
  80
  81                 close F;
  82         }
  83 }