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+# Copyright © 2008 Ian Jackson <ijackson@chiark.greenend.org.uk>
+# Copyright © 2008 Canonical, Ltd.
+# written by Colin Watson <cjwatson@ubuntu.com>
+# Copyright © 2008 James Westby <jw+debian@jameswestby.net>
+# Copyright © 2009 Raphaël Hertzog <hertzog@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 <https://www.gnu.org/licenses/>.
+
+package Dpkg::Vendor::Ubuntu;
+
+use strict;
+use warnings;
+
+our $VERSION = '0.01';
+
+use Dpkg::ErrorHandling;
+use Dpkg::Gettext;
+use Dpkg::Control::Types;
+
+use parent qw(Dpkg::Vendor::Debian);
+
+=encoding utf8
+
+=head1 NAME
+
+Dpkg::Vendor::Ubuntu - Ubuntu vendor object
+
+=head1 DESCRIPTION
+
+This vendor object customizes the behaviour of dpkg scripts for Ubuntu
+specific behavior and policies.
+
+=cut
+
+sub run_hook {
+ my ($self, $hook, @params) = @_;
+
+ if ($hook eq 'before-source-build') {
+ my $src = shift @params;
+ my $fields = $src->{fields};
+
+ # check that Maintainer/XSBC-Original-Maintainer comply to
+ # https://wiki.ubuntu.com/DebianMaintainerField
+ if (defined($fields->{'Version'}) and defined($fields->{'Maintainer'}) and
+ $fields->{'Version'} =~ /ubuntu/) {
+ if ($fields->{'Maintainer'} !~ /ubuntu/i) {
+ if (length $ENV{DEBEMAIL} and $ENV{DEBEMAIL} =~ /\@ubuntu\.com/) {
+ error(g_('Version number suggests Ubuntu changes, but Maintainer: does not have Ubuntu address'));
+ } else {
+ warning(g_('Version number suggests Ubuntu changes, but Maintainer: does not have Ubuntu address'));
+ }
+ }
+ unless ($fields->{'Original-Maintainer'}) {
+ warning(g_('Version number suggests Ubuntu changes, but there is no XSBC-Original-Maintainer field'));
+ }
+ }
+
+ } elsif ($hook eq 'keyrings') {
+ return $self->run_hook('package-keyrings', @params);
+ } elsif ($hook eq 'package-keyrings') {
+ return ($self->SUPER::run_hook($hook),
+ '/usr/share/keyrings/ubuntu-archive-keyring.gpg');
+ } elsif ($hook eq 'archive-keyrings') {
+ return ($self->SUPER::run_hook($hook),
+ '/usr/share/keyrings/ubuntu-archive-keyring.gpg');
+ } elsif ($hook eq 'archive-keyrings-historic') {
+ return ($self->SUPER::run_hook($hook),
+ '/usr/share/keyrings/ubuntu-archive-removed-keys.gpg');
+ } elsif ($hook eq 'register-custom-fields') {
+ my @field_ops = $self->SUPER::run_hook($hook);
+ push @field_ops,
+ [ 'register', 'Launchpad-Bugs-Fixed',
+ CTRL_FILE_CHANGES | CTRL_CHANGELOG ],
+ [ 'insert_after', CTRL_FILE_CHANGES, 'Closes', 'Launchpad-Bugs-Fixed' ],
+ [ 'insert_after', CTRL_CHANGELOG, 'Closes', 'Launchpad-Bugs-Fixed' ];
+ return @field_ops;
+
+ } elsif ($hook eq 'post-process-changelog-entry') {
+ my $fields = shift @params;
+
+ # Add Launchpad-Bugs-Fixed field
+ my $bugs = find_launchpad_closes($fields->{'Changes'} // '');
+ if (scalar(@$bugs)) {
+ $fields->{'Launchpad-Bugs-Fixed'} = join(' ', @$bugs);
+ }
+
+ } elsif ($hook eq 'update-buildflags') {
+ my $flags = shift @params;
+
+ # Run the Debian hook to add hardening flags
+ $self->SUPER::run_hook($hook, $flags);
+
+ require Dpkg::BuildOptions;
+
+ my $build_opts = Dpkg::BuildOptions->new();
+
+ if (!$build_opts->has('noopt')) {
+ require Dpkg::Arch;
+
+ my $arch = Dpkg::Arch::get_host_arch();
+ if (Dpkg::Arch::debarch_eq($arch, 'ppc64el')) {
+ for my $flag (qw(CFLAGS CXXFLAGS OBJCFLAGS OBJCXXFLAGS GCJFLAGS
+ FFLAGS FCFLAGS)) {
+ my $value = $flags->get($flag);
+ $value =~ s/-O[0-9]/-O3/;
+ $flags->set($flag, $value);
+ }
+ }
+ }
+ # Per https://wiki.ubuntu.com/DistCompilerFlags
+ $flags->prepend('LDFLAGS', '-Wl,-Bsymbolic-functions');
+ } else {
+ return $self->SUPER::run_hook($hook, @params);
+ }
+
+}
+
+=head1 PUBLIC FUNCTIONS
+
+=over
+
+=item $bugs = Dpkg::Vendor::Ubuntu::find_launchpad_closes($changes)
+
+Takes one string as argument and finds "LP: #123456, #654321" statements,
+which are references to bugs on Launchpad. Returns all closed bug
+numbers in an array reference.
+
+=cut
+
+sub find_launchpad_closes {
+ my $changes = shift;
+ my %closes;
+
+ while ($changes &&
+ ($changes =~ /lp:\s+\#\d+(?:,\s*\#\d+)*/pig)) {
+ $closes{$_} = 1 foreach (${^MATCH} =~ /\#?\s?(\d+)/g);
+ }
+
+ my @closes = sort { $a <=> $b } keys %closes;
+
+ return \@closes;
+}
+
+=back
+
+=head1 CHANGES
+
+=head2 Version 0.xx
+
+This is a semi-private module. Only documented functions are public.
+
+=cut
+
+1;