/usr/share/lintian/checks/duplicate-files is in lintian 2.5.10.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | # duplicate-files -- lintian check script -*- perl -*-
# Copyright (C) 2011 Niels Thykier
#
# 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 http://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::duplicate_files;
use strict;
use warnings;
use Lintian::Tags qw(tag);
sub run {
my $pkg = shift;
my $type = shift;
my $info = shift;
my %hashmap;
foreach my $file ($info->sorted_index){
my $md5 = $info->md5sums->{$file};
my $fs;
next unless defined $md5;
next unless $info->index->{$file}->is_regular_file;
# Ignore empty files; in some cases (e.g. python) a file is
# required even if it is empty and we are never looking at a
# substantial gain in such a case. Also see #632789
next unless $info->index->{$file}->size;
next unless $file =~ m@usr/share/doc/@o;
$fs = $hashmap{$md5};
unless (defined $fs){
$fs = [$file];
$hashmap{$md5} = $fs;
} else {
push @$fs, $file;
}
}
foreach my $hash (keys %hashmap){
my @files = @{ $hashmap{$hash} };
next if scalar(@files) < 2;
if (grep { m,changelog,io} @files) {
tag 'duplicate-changelog-files', sort @files;
} else {
tag 'duplicate-files', sort @files;
}
}
}
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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