/usr/share/lintian/collection/diffstat is in lintian 2.5.30+deb8u4.
This file is owned by root:root, with mode 0o755.
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 73 74 75 76 77 78 79 80 81 82 83 | #!/usr/bin/perl -w
# diffstat -- lintian collection script for source packages
# Copyright (C) 1998 Richard Braakman
#
# 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.
# This could be written more easily in shell script, but I'm trying
# to keep everything as perl to cut down on the number of processes
# that need to be started in a lintian scan. Eventually all the
# perl code will be perl modules, so only one perl interpreter
# need be started.
package Lintian::coll::diffstat;
use strict;
use warnings;
use autodie;
use lib "$ENV{'LINTIAN_ROOT'}/lib";
use Lintian::Util qw(fail get_dsc_info gunzip_file);
sub collect {
my ($pkg, undef, $dir) = @_;
my $data;
my $ver;
-f "$dir/dsc" or fail 'diffstat invoked with wrong dir argument';
$data = get_dsc_info("$dir/dsc");
$ver = $data->{'version'};
unlink("$dir/debian-patch")
if -e "$dir/debian-patch"
or -l "$dir/debian-patch";
$ver =~ s/^\d://; #Remove epoch for this
my $diff_file = "$dir/${pkg}_${ver}.diff.gz";
return unless (-f $diff_file);
gunzip_file($diff_file, "$dir/debian-patch");
open(my $out, '>', "$dir/diffstat");
# diffstat is noisy on stderr if its stdout is not a tty.
# Shut it up by redirecting stderr to /dev/null.
open(STDERR, '>', '/dev/null');
open(my $in, '-|', 'diffstat', '-p1', "$dir/debian-patch");
# Copy all except last line to the STAT file
my $previous;
while (<$in>) {
print {$out} $previous if $previous;
$previous = $_;
}
close($out);
close($in);
return;
}
collect(@ARGV) if $0 =~ m,(?:^|/)diffstat$,;
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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