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#!/usr/bin/perl
# Copyright (C) 2011 Modestas Vainius <modax@debian.org>
#
# 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 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, see <http://www.gnu.org/licenses/>
use strict;
use warnings;
use Dpkg::Control::Info;
use Dpkg::Control;
use Dpkg::Arch;
sub samearch {
my $arch = shift;
my @archlist = split(/\s+/, shift);
foreach my $a (@archlist) {
if (system("dpkg-architecture", "-a$arch", "-i$a") == 0) {
return 1;
}
}
return 0;
}
# Parse command line arguments
my @fields;
my $prefix = "debcontrol_";
for (my $i = 0; $i < @ARGV; $i++) {
if ($ARGV[$i] eq "-F") {
push @fields, $ARGV[++$i];
} elsif ($ARGV[$i] =~ /^-F(.+)$/) {
push @fields, $1;
} elsif ($ARGV[$i] eq "-s") {
$prefix = $ARGV[++$i];
} elsif ($ARGV[$i] =~ /^-s(.+)$/) {
$prefix = $1;
}
}
my $arch = Dpkg::Arch::get_build_arch();
# Retrieve requested fields and generate set statements
my $control = Dpkg::Control::Info->new("debian/control");
foreach my $pkg ($control->{source}, @{$control->{packages}}) {
my $pkgok;
my $pkgname = ($pkg->get_type() == CTRL_INFO_SRC) ? "Source" : $pkg->{Package};
next if $pkg->get_type() == CTRL_INFO_PKG && !samearch($arch, $pkg->{"Architecture"});
foreach my $field (@fields) {
my $val;
if (exists $pkg->{$field}) {
$val = $pkg->{$field};
} elsif (my $f = $pkg->find_custom_field($field)) {
$val = $pkg->{$f};
}
if (defined $val) {
$pkgok = 1;
printf "set(%s%s_%s \"%s\")\n", $prefix, $pkgname, $field, $val;
}
}
if ($pkgok) {
printf "list(APPEND %spackages \"%s\")\n", $prefix, $pkgname;
}
}
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