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# maintainer-scripts/generated -- lintian check script -*- perl -*-
#
# 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, 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::MaintainerScripts::Generated;

use v5.20;
use warnings;
use utf8;

use List::SomeUtils qw(uniq);
use Path::Tiny;

use Moo;
use namespace::clean;

with 'Lintian::Check';

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

    my @tools_seen;

    # get maintainer scripts
    my @control
      = grep { $_->is_maintainer_script }
      @{$self->processable->control->sorted_list};

    for my $file (@control) {

        my $hashbang = $file->hashbang;
        next
          unless length $hashbang;

        next
          unless $file->is_open_ok;

        my @lines = path($file->unpacked_path)->lines;

        # scan contents
        for (@lines) {

            # skip empty lines
            next
              if /^\s*$/;

            if (/^# Automatically added by (\S+)\s*$/) {
                my $tool = $1;
# remove trailing ":" from dh_python
# https://sources.debian.org/src/dh-python/4.20191017/dhpython/debhelper.py/#L200
                $tool =~ s/:\s*$//g;
                push(@tools_seen, $tool);
            }
        }
    }

    $self->hint('debhelper-autoscript-in-maintainer-scripts', $_)
      for uniq @tools_seen;

    return;
}

1;

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