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# files/locales -- lintian check script -*- perl -*-
# Copyright (C) 1998 Christian Schwarz and Richard Braakman
# Copyright (C) 2013 Niels Thykier <niels@thykier.net>
# Copyright (C) 2019 Adam D. Barratt <adam@adam-barratt.org.uk>
# Copyright (C) 2021 Felix Lechner
#
# Based in part on a shell script that was:
# Copyright (C) 2010 Raphael Geissert <atomo64@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, you can find it on the World Wide
# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
package Lintian::Check::Files::Locales;
use v5.20;
use warnings;
use utf8;
use Const::Fast;
use JSON::MaybeXS;
use List::SomeUtils qw(first_value);
use Path::Tiny;
const my $EMPTY => q{};
const my $ARROW => q{->};
const my $RESERVED => $EMPTY;
const my $SPECIAL => q{S};
const my %CONFUSING_LANGUAGES => (
# Albanian is sq, not al:
'al' => 'sq',
# Chinese is zh, not cn:
'cn' => 'zh',
# Czech is cs, not cz:
'cz' => 'cs',
# Danish is da, not dk:
'dk' => 'da',
# Greek is el, not gr:
'gr' => 'el',
# Indonesian is id, not in:
'in' => 'id',
);
const my %CONFUSING_COUNTRIES => (
# UK != GB
'en_UK' => 'en_GB',
);
use Moo;
use namespace::clean;
with 'Lintian::Check';
has ISO639_3_by_alpha3 => (
is => 'rw',
lazy => 1,
default => sub {
my ($self) = @_;
local $ENV{LC_ALL} = 'C';
my $bytes = path('/usr/share/iso-codes/json/iso_639-3.json')->slurp;
my $json = decode_json($bytes);
my %iso639_3;
for my $entry (@{$json->{'639-3'}}) {
my $alpha_3 = $entry->{alpha_3};
$iso639_3{$alpha_3} = $entry;
}
return \%iso639_3;
}
);
has LOCALE_CODES => (
is => 'rw',
lazy => 1,
default => sub {
my ($self) = @_;
local $ENV{LC_ALL} = 'C';
my %CODES;
for my $entry (values %{$self->ISO639_3_by_alpha3}) {
my $type = $entry->{type};
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=692548#10
next
if $type eq $RESERVED || $type eq $SPECIAL;
# also have two letters, ISO 639-1
my $two_letters;
$two_letters = $entry->{alpha_2}
if exists $entry->{alpha_2};
$CODES{$two_letters} = $EMPTY
if length $two_letters;
# three letters, ISO 639-2
my $three_letters = $entry->{alpha_3};
# a value indicates that two letters are preferred
$CODES{$three_letters} = $two_letters || $EMPTY;
}
return \%CODES;
}
);
sub visit_installed_files {
my ($self, $item) = @_;
return
unless $item->is_dir;
return
unless $item->name =~ m{^ usr/share/locale/ ([^/]+) / $}x;
my $folder = $1;
# without encoding
my ($with_country) = split(m/[.@]/, $folder);
# special exception
return
if $with_country eq 'l10n';
# without country code
my ($two_or_three, $country) = split(m/_/, $with_country);
$country //= $EMPTY;
return
unless length $two_or_three;
# check some common language errors
if (exists $CONFUSING_LANGUAGES{$two_or_three}) {
my $fixed = $folder;
$fixed =~ s{^ $two_or_three }{$CONFUSING_LANGUAGES{$two_or_three}}x;
$self->pointed_hint('incorrect-locale-code', $item->pointer, $folder,
$ARROW,$fixed);
return;
}
# check some common country errors
if (exists $CONFUSING_COUNTRIES{$with_country}) {
my $fixed = $folder;
$fixed =~ s{^ $with_country }{$CONFUSING_COUNTRIES{$with_country}}x;
$self->pointed_hint('incorrect-locale-code', $item->pointer, $folder,
$ARROW,$fixed);
return;
}
# check known codes
if (exists $self->LOCALE_CODES->{$two_or_three}) {
my $replacement = $self->LOCALE_CODES->{$two_or_three};
return
unless length $replacement;
# a value indicates that two letters are preferred
my $fixed = $folder;
$fixed =~ s{^ $two_or_three }{$replacement}x;
$self->pointed_hint('incorrect-locale-code', $item->pointer, $folder,
$ARROW,$fixed);
return;
}
$self->pointed_hint('unknown-locale-code', $item->pointer, $folder);
return;
}
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
|
