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# Copyright (C) 1998 Christian Schwarz and Richard Braakman
# Copyright (C) 1999 Joey Hess
# Copyright (C) 2000 Sean 'Shaleh' Perry
# Copyright (C) 2002 Josip Rodin
# Copyright (C) 2007 Russ Allbery
# Copyright (C) 2013-2018 Bastien ROUCARIES
# Copyright (C) 2017-2020 Chris Lamb <lamby@debian.org>
# Copyright (C) 2020-2021 Felix Lechner
#
# 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::Languages::R;
use v5.20;
use warnings;
use utf8;
use Const::Fast;
const my $RDATA_MAGIC_LENGTH => 4;
use Moo;
use namespace::clean;
with 'Lintian::Check';
sub visit_patched_files {
my ($self, $item) = @_;
return
unless $item->is_file;
# Ensure we have a README.source for R data files
if ( $item->basename =~ /\.(?:rda|Rda|rdata|Rdata|RData)$/
&& $item->is_open_ok
&& $item->file_type =~ /gzip compressed data/
&& !$self->processable->patched->resolve_path('debian/README.source')){
open(my $fd, '<:gzip', $item->unpacked_path)
or die encode_utf8('Cannot open ' . $item->unpacked_path);
read($fd, my $magic, $RDATA_MAGIC_LENGTH)
or die encode_utf8('Cannot read from ' . $item->unpacked_path);
close($fd);
$self->pointed_hint('r-data-without-readme-source', $item->pointer)
if $magic eq 'RDX2';
}
return;
}
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
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