build/i18n-update.pl

   1 #!/usr/bin/perl
   2
   3 @ARGV >= 1 || 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 if( open F, "find $source -type f -name '$pattern' |" )
  52 {
  53         while( chomp( my $file = readline F ) )
  54         {
  55                 my ( $basename ) = $file =~ m{.+/([^/]+)\.po$};
  56
  57                 if( -f "$source/templates/$basename.pot" )
  58                 {
  59                         my $head = read_header($file);
  60
  61                         printf "Updating %-40s", $file;
  62                         system("msgmerge", "-U", "-N", $file, "$source/templates/$basename.pot");
  63
  64                         write_header($file, $head);
  65                 }
  66         }
  67
  68         close F;
  69 }