# Copyright © 2013 Guillem Jover <guillem@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 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, see <http://www.gnu.org/licenses/>.

package Dpkg::BuildProfiles;

use strict;
use warnings;

our $VERSION = '0.01';
our @EXPORT_OK = qw(get_build_profiles set_build_profiles);

use Exporter qw(import);

use Dpkg::BuildEnv;

my $cache_profiles;
my @build_profiles;

=encoding utf8

=head1 NAME

Dpkg::BuildProfiles - handle build profiles

=head1 DESCRIPTION

The Dpkg::BuildProfiles module provides functions to handle the build
profiles.

=head1 FUNCTIONS

=over 4

=item my @profiles = get_build_profiles()

Get an array with the currently active build profiles, taken from
the environment variable B<DEB_BUILD_PROFILES>.

=cut

sub get_build_profiles {
    return @build_profiles if $cache_profiles;

    if (Dpkg::BuildEnv::has('DEB_BUILD_PROFILES')) {
        @build_profiles = split / /, Dpkg::BuildEnv::get('DEB_BUILD_PROFILES');
    }
    $cache_profiles = 1;

    return @build_profiles;
}

=item set_build_profiles(@profiles)

Set C<@profiles> as the current active build profiles, by setting
the environment variable B<DEB_BUILD_PROFILES>.

=cut

sub set_build_profiles {
    my (@profiles) = @_;

    @build_profiles = @profiles;
    Dpkg::BuildEnv::set('DEB_BUILD_PROFILES', join ' ', @profiles);
}

=back

=cut

1;
