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# -*- perl -*- Lintian::Index::Ar
#
# Copyright (C) 2020 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, see <http://www.gnu.org/licenses/>.
package Lintian::Index::Ar;
use v5.20;
use warnings;
use utf8;
use Const::Fast;
use Cwd;
use Path::Tiny;
use Unicode::UTF8 qw(decode_utf8 encode_utf8);
use Lintian::IPC::Run3 qw(safe_qx);
use Moo::Role;
use namespace::clean;
const my $EMPTY => q{};
const my $NEWLINE => qq{\n};
=head1 NAME
Lintian::Index::Ar - binary symbol information.
=head1 SYNOPSIS
use Lintian::Index;
=head1 DESCRIPTION
Lintian::Index::Ar binary symbol information.
=head1 INSTANCE METHODS
=over 4
=item add_ar
=cut
sub add_ar {
my ($self) = @_;
my $savedir = getcwd;
chdir($self->basedir)
or die encode_utf8(
$self->identifier . ': Cannot change to directory ' . $self->basedir);
my $errors = $EMPTY;
my @archives
= grep { $_->name =~ / [.]a $/msx && $_->is_regular_file }
@{$self->sorted_list};
for my $archive (@archives) {
# skip empty archives to avoid ar error message; happens in tests
next
unless $archive->size;
my %ar_info;
# fails silently for non-ar files (#934899); probably creates empty entries
my $bytes = safe_qx(qw{ar t}, $archive);
if ($?) {
$errors .= "ar failed for $archive" . $NEWLINE;
next;
}
my $output = decode_utf8($bytes);
my @members = split(/\n/, $output);
my $count = 1;
for my $member (@members) {
# more info could be added with -v above
$ar_info{$count}{name} = $member;
} continue {
$count++;
}
$archive->ar_info(\%ar_info);
}
chdir($savedir)
or die encode_utf8(
$self->identifier . ": Cannot change to directory $savedir");
return $errors;
}
=back
=head1 AUTHOR
Originally written by Felix Lechner <felix.lechner@lease-up.com> for
Lintian.
=head1 SEE ALSO
lintian(1)
=cut
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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