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#
# ChrootInfo.pm: chroot utility library for sbuild
# Copyright © 2005-2008 Roger Leigh <rleigh@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::ChrootInfo;
use strict;
use warnings;
use Sbuild::Base;
use POSIX;
use FileHandle;
use File::Temp ();
BEGIN {
use Exporter ();
our (@ISA, @EXPORT);
@ISA = qw(Exporter Sbuild::Base);
@EXPORT = qw();
}
sub new {
my $class = shift;
my $conf = shift;
my $self = $class->SUPER::new($conf);
bless($self, $class);
$self->set('Chroots', {});
$self->get_info_all();
return $self;
}
sub create {
my $self = shift;
my $namespace = shift;
my $distribution = shift;
my $chroot = shift;
my $arch = shift; # this is the build arch
my $chrootid = $self->find($namespace, $distribution, $chroot, $arch);
my $newchroot = $self->_create($chrootid);
if (defined($newchroot)) {
$newchroot->set('Chroots', $self);
}
return $newchroot;
}
sub find {
my $self = shift;
my $namespace = shift;
my $distribution = shift;
my $chroot = shift;
my $arch = shift; # this is the build arch
# Use namespace given from $distribution if one is found
if ($distribution =~ /^([^:]+):/msx) {
$namespace = $1;
$distribution =~ s/^[^:]+://msx;
}
my $chroots = $self->get('Chroots');
# Don't do strict arch checking if ARCH == HOST_ARCH.
if (!defined($arch) || $arch eq "") {
$arch = $self->get_conf('BUILD_ARCH');
}
my $host_arch = $self->get_conf('HOST_ARCH');
if (!defined $chroot) {
my $ns = $chroots->{$namespace};
if (!defined($ns)) {
if ($namespace ne 'chroot') {
$chroot = $self->find('chroot', $distribution, $chroot, $arch);
} else {
return undef;
}
}
if ($arch ne $host_arch &&
defined($ns->{"${distribution}-${arch}-${host_arch}-sbuild"})) {
$chroot = "${namespace}:${distribution}-${arch}-${host_arch}-sbuild";
}
elsif ($arch ne $host_arch &&
defined($ns->{"${distribution}-${arch}-${host_arch}"})) {
$chroot = "${namespace}:${distribution}-${arch}-${host_arch}";
}
elsif ($arch ne "" &&
defined($ns->{"${distribution}-${arch}-sbuild"})) {
$chroot = "${namespace}:${distribution}-${arch}-sbuild";
}
elsif (defined($ns->{"${distribution}-sbuild"})) {
$chroot = "${namespace}:${distribution}-sbuild";
}
elsif ($arch ne "" &&
defined($ns->{"${distribution}-${arch}"})) {
$chroot = "${namespace}:${distribution}-${arch}";
} elsif (defined($ns->{$distribution})) {
$chroot = "${namespace}:${distribution}";
}
}
if (!$chroot) {
# Fall back to chroot namespace.
if ($namespace ne 'chroot') {
$chroot = $self->find('chroot', $distribution, $chroot, $arch);
} else {
$self->log_error("Chroot for distribution $distribution, architecture $arch not found\n");
return undef;
}
}
return $chroot;
}
1;
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