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#!/usr/bin/perl -w
# -*- mode: cperl; coding: utf-8 -*-
# Most of this code was stolen from Debhelper 7.3.16+. which is:
# Joey Hess, GPL copyright 1997-2009.
# Adapted for CDBS purposes by Colin Walters <walters@debian.org>
# Copyright © 2010-2011, 2015-2016 Jonas Smedegaard <dr@jones.dk>
#
# 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 3, 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, see <http://www.gnu.org/licenses/>.
sub error {
my $err = shift;
print STDERR $err;
exit 1;
}
sub samearch {
my $arch=shift;
my @archlist=split(/\s+/,shift);
foreach my $a (@archlist) {
system("dpkg-architecture", "-a$arch", "-i$a") == 0 && return 1;
}
return 0;
}
sub buildarch {
my $value=`dpkg-architecture -qDEB_HOST_ARCH` || error("dpkg-architecture failed: $!");
chomp $value;
return $value;
}
sub GetPackages {
my $type=shift;
$type="" if ! defined $type;
my $package="";
my $arch="";
my @list=();
my %seen;
my @profiles=();
my $included_in_build_profile;
if (exists $ENV{'DEB_BUILD_PROFILES'}) {
@profiles=split /\s+/, $ENV{'DEB_BUILD_PROFILES'};
}
open (CONTROL, 'debian/control') ||
error("cannot read debian/control: $!\n");
while (<CONTROL>) {
chomp;
s/\s+$//;
if (/^Package:\s*(.*)/i) {
$package=$1;
# Detect duplicate package names in the same control file.
if (! $seen{$package}) {
$seen{$package}=1;
}
else {
error("debian/control has a duplicate entry for $package");
}
$included_in_build_profile=1;
}
if (/^Architecture:\s*(.*)/i) {
$arch=$1;
}
# rely on libdpkg-perl providing the parsing functions because
# if we work on a package with a Build-Profiles field, then a
# high enough version of dpkg-dev is needed anyways
if (/^Build-Profiles:\s*(.*)/) {
my $build_profiles=$1;
eval {
require Dpkg::BuildProfiles;
my @restrictions=Dpkg::BuildProfiles::parse_build_profiles($build_profiles);
if (@restrictions) {
$included_in_build_profile=Dpkg::BuildProfiles::evaluate_restriction_formula(\@restrictions, \@profiles);
}
};
if ($@) {
error("The control file has a Build-Profiles field. Requires libdpkg-perl >= 1.17.14");
}
}
if (!$_ or eof) { # end of stanza.
if ($package && $included_in_build_profile &&
# (($type eq 'indep' && $arch eq 'all') ||
# ($type eq 'arch' && $arch ne 'all') ||
# ($type eq 'same' && (samearch(buildarch(), $arch))) ||
(($type eq 'indep' && $arch eq 'all') ||
($type eq 'arch' && $arch ne 'all') ||
($type eq 'same' && ($arch eq 'any' ||
($arch ne 'all' &&
samearch(buildarch(), $arch)))) ||
! $type)) {
push @list, $package;
$package="";
$arch="";
}
}
}
close CONTROL;
return @list;
}
print join(' ', GetPackages($ARGV[0])) . "\n";
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