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#!/usr/bin/perl -w
# copyright-file -- lintian collector script
# 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.
package Lintian::coll::copyright_file;
no lib '.';
use strict;
use warnings;
use autodie;
use lib "$ENV{'LINTIAN_ROOT'}/lib";
use Lintian::Util qw(internal_error gunzip_file is_ancestor_of touch_file);
use File::Copy qw(copy);
sub collect {
my ($pkg, $type, $dir) = @_;
if (-e "$dir/copyright") {
unlink("$dir/copyright");
}
if (-d "$dir/unpacked/usr/share/doc/$pkg"
&& !is_ancestor_of("$dir/unpacked", "$dir/unpacked/usr/share/doc/$pkg")
) {
# if the parent dir is outside the package, just stop here before we
# do something we will regret.
return;
}
my $file = "$dir/unpacked/usr/share/doc/$pkg/copyright";
# If copyright was a symlink, we need to make a copy of it. Just
# hardlinking to the symlink may leave a relative symlink into a
# directory we can't unpack. Be careful about what symlinks we
# allow, though.
if (-l $file) {
my $link = readlink($file);
unless ($link =~ /\.\./
|| ($link =~ m%/% && $link !~ m%^[^/]+(?:/+[^/]+)*\z%)) {
copy($file, "$dir/copyright")
or internal_error("cannot copy $file: $!");
}
} elsif (-f $file) {
link($file, "$dir/copyright");
} elsif (-f "$file.gz") {
gunzip_file("$file.gz", "$dir/copyright");
}
return;
}
collect(@ARGV) if $0 =~ m,(?:^|/)copyright-file$,;
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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