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# ResolverBase.pm: build library for sbuild
# Copyright © 2005 Ryan Murray <rmurray@debian.org>
# Copyright © 2005-2008 Roger Leigh <rleigh@debian.org>
# Copyright © 2008 Simon McVittie <smcv@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 Sbuild::AptitudeResolver;
use strict;
use warnings;
use File::Temp qw(tempdir);
use Sbuild qw(debug);
use Sbuild::Base;
use Sbuild::ResolverBase;
BEGIN {
use Exporter ();
our (@ISA, @EXPORT);
@ISA = qw(Exporter Sbuild::ResolverBase);
@EXPORT = qw();
}
sub new {
my $class = shift;
my $conf = shift;
my $session = shift;
my $host = shift;
my $self = $class->SUPER::new($conf, $session, $host);
bless($self, $class);
return $self;
}
sub install_deps {
my $self = shift;
my $name = shift;
my @pkgs = @_;
my $status = 0;
my $session = $self->get('Session');
my $dummy_pkg_name = $self->get_sbuild_dummy_pkg_name($name);
my $dummy_pkg_name_for_install = $dummy_pkg_name;
# Debian without multiarch (squeeze and older) does not support
# architecture qualifiers for dependencies, so we only add them if the
# chroot supports multiarch
if ($self->get('Multiarch Support')) {
$dummy_pkg_name_for_install .= ':' . $self->get('Host Arch');
}
# Call functions to setup an archive to install dummy package.
$self->log_subsubsection("Setup apt archive");
if (!$self->setup_apt_archive($dummy_pkg_name, @pkgs)) {
$self->log_error("Setting up apt archive failed\n");
return 0;
}
if (!$self->update_archive()) {
$self->log_error("Updating apt archive failed\n");
return 0;
}
$self->log_subsection("Install $name build dependencies (aptitude-based resolver)");
#install aptitude first:
my (@aptitude_installed_packages, @aptitude_removed_packages);
if (!$self->run_apt('-y', \@aptitude_installed_packages, \@aptitude_removed_packages, 'install', 'aptitude')) {
$self->log_warning('Could not install aptitude!');
goto cleanup;
}
$self->set_installed(@aptitude_installed_packages);
$self->set_removed(@aptitude_removed_packages);
my $ignore_trust_violations =
$self->get_conf('APT_ALLOW_UNAUTHENTICATED') ? 'true' : 'false';
my @aptitude_install_command = (
$self->get_conf('APTITUDE'),
'-y',
'--without-recommends',
'-o', 'Dpkg::Options::=--force-confold',
'-o', "Aptitude::CmdLine::Ignore-Trust-Violations=$ignore_trust_violations",
'-o', 'Aptitude::ProblemResolver::StepScore=100',
'-o', "Aptitude::ProblemResolver::SolutionCost=safety, priority, non-default-versions",
'-o', "Aptitude::ProblemResolver::Hints::KeepDummy=reject $dummy_pkg_name :UNINST",
'-o', 'Aptitude::ProblemResolver::Keep-All-Level=55000',
'-o', 'Aptitude::ProblemResolver::Remove-Essential-Level=maximum',
'install',
$dummy_pkg_name_for_install
);
$self->log(join(" ", @aptitude_install_command), "\n");
my $pipe = $self->pipe_aptitude_command(
{ COMMAND => \@aptitude_install_command,
ENV => {'DEBIAN_FRONTEND' => 'noninteractive'},
PIPE => 'in',
USER => 'root',
PRIORITY => 0,
DIR => '/' });
if (!$pipe) {
$self->log_warning('Cannot open pipe from aptitude: ' . $! . "\n");
goto package_cleanup;
}
my $aptitude_output = "";
while(<$pipe>) {
$aptitude_output .= $_;
$self->log($_);
}
close($pipe);
my $aptitude_exit_code = $?;
if ($aptitude_output =~ /^E:/m) {
$self->log('Satisfying build-deps with aptitude failed.' . "\n");
goto package_cleanup;
}
my ($installed_pkgs, $removed_pkgs) = ("", "");
while ($aptitude_output =~ /The following NEW packages will be installed:\n((^[ ].*\n)*)/gmi) {
($installed_pkgs = $1) =~ s/^[ ]*((.|\n)*)\s*$/$1/m;
$installed_pkgs =~ s/\*//g;
$installed_pkgs =~ s/\{.\}//g;
}
while ($aptitude_output =~ /The following packages will be REMOVED:\n((^[ ].*\n)*)/gmi) {
($removed_pkgs = $1) =~ s/^[ ]*((.|\n)*)\s*$/$1/m;
$removed_pkgs =~ s/\*//g;
$removed_pkgs =~ s/\{.\}//g; #remove {u}, {a} in output...
}
my @installed_packages = split( /\s+/, $installed_pkgs);
$self->set_installed(keys %{$self->get('Changes')->{'installed'}}, @installed_packages);
$self->set_removed(keys %{$self->get('Changes')->{'removed'}}, split( /\s+/, $removed_pkgs));
if ($aptitude_exit_code != 0) {
goto package_cleanup;
}
#Seems it all went fine.
$status = 1;
package_cleanup:
if ($status == 0) {
if (defined ($session->get('Session Purged')) &&
$session->get('Session Purged') == 1) {
$self->log("Not removing installed packages: cloned chroot in use\n");
} else {
$self->uninstall_deps();
}
}
cleanup:
return $status;
}
sub purge_extra_packages {
my $self = shift;
my $name = shift;
$self->log_error('Aptitude resolver doesn\'t implement purging of extra packages yet.\n');
}
1;
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