#!/usr/bin/perl

use strict;
use warnings;

use Getopt::Long;

my $operation = shift;
die "pbuilder: you should use me only to build, dgit"
  unless ($operation eq "build" || $operation eq "b");

my $debbuildopts = undef;
my $distribution = undef;
GetOptions('debbuildopts=s' => \$debbuildopts,
           'distribution=s' => \$distribution);

# ignore user args; last argument has to be the .dsc filename
my $dsc = $ARGV[-1];
die "pbuilder: last argument has wrong file extension"
  unless ($dsc =~ m/^(.*)_.*\.dsc$/);

system "dpkg-source -x $dsc pbuilder";
chdir 'pbuilder';
system <<END
dpkg-buildpackage --changes-option=-DDistribution=$distribution $debbuildopts
END