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# debian/lintian-overrides/restricted -- lintian check script -*- perl -*-

# Copyright (C) 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::Debian::LintianOverrides::Restricted;

use v5.20;
use warnings;
use utf8;

use List::SomeUtils qw(true);

use Moo;
use namespace::clean;

with 'Lintian::Check';

sub always {
    my ($self) = @_;

    for my $override (@{$self->processable->overrides}) {

        my $override_item = $self->processable->override_file;
        my $pointer = $override_item->pointer($override->position);

        my @architectures = @{$override->architectures};

        if (@architectures && $self->processable->architecture eq 'all') {
            $self->pointed_hint('invalid-override-restriction',
                $pointer,'Architecture list in Arch:all installable');
            next;
        }

        my @invalid
          = grep { !$self->data->architectures->valid_restriction($_) }
          @architectures;
        $self->pointed_hint('invalid-override-restriction',
            $pointer,"Unknown architecture wildcard $_")
          for @invalid;

        next
          if @invalid;

        # count negations
        my $negations = true { /^!/ } @architectures;

        # confirm it is either all or none
        if ($negations > 0 && $negations != @architectures) {
            $self->pointed_hint('invalid-override-restriction',
                $pointer,'Inconsistent architecture negation');
            next;
        }
    }

    return;
}

1;

# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et