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|
#
# ChrootInfo.pm: chroot utility library for sbuild
# Copyright © 2005-2009 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::ChrootInfoSchroot;
use Sbuild::ChrootInfo;
use Sbuild::ChrootSchroot;
use strict;
use warnings;
BEGIN {
use Exporter ();
our (@ISA, @EXPORT);
@ISA = qw(Exporter Sbuild::ChrootInfo);
@EXPORT = qw();
}
sub new {
my $class = shift;
my $conf = shift;
my $self = $class->SUPER::new($conf);
bless($self, $class);
return $self;
}
sub get_info_from_stream {
my $self = shift;
my $stream = shift;
my $chroot_type = '';
my %tmp = ('Namespace' => '',
'Name' => '',
'Priority' => 0,
'Location' => '',
'Session Purged' => 0);
while (<$stream>) {
chomp;
last if ! $_;
if (/^\s*(───|---) Chroot \1$/ &&
$tmp{'Namespace'} eq "") {
$tmp{'Namespace'} = 'chroot';
}
if (/^\s*(───|---) Session \1$/ &&
$tmp{'Namespace'} eq "") {
$tmp{'Namespace'} = 'session';
}
if (/^\s*(───|---) Source \1$/ &&
$tmp{'Namespace'} eq "") {
$tmp{'Namespace'} = 'source';
}
if (/^\s*Name:?\s+(.*)$/ &&
$tmp{'Name'} eq "") {
$tmp{'Name'} = $1;
}
if (/^\s*Type:?\s+(.*)$/) {
$chroot_type = $1;
}
if (/^\s*Location:?\s+(.*)$/ &&
$tmp{'Location'} eq "") {
$tmp{'Location'} = $1;
}
if (/^\s*Mount Location:?\s+(.*)$/ &&
$tmp{'Location'} eq "") {
$tmp{'Location'} = $1;
}
# Path takes priority over Location and Mount Location.
if (/^\s*Path:?\s+(.*)$/) {
$tmp{'Location'} = $1;
}
if (/^\s*Priority:?\s+(\d+)$/) {
$tmp{'Priority'} = $1;
}
if (/^\s*Session Purged\s+(.*)$/) {
if ($1 eq "true") {
$tmp{'Session Purged'} = 1;
}
}
if (/^\s*Aliases:?\s+(.*)$/) {
$tmp{'Aliases'} = $1;
}
}
if ($self->get_conf('DEBUG') && $tmp{'Name'}) {
print STDERR "Found schroot chroot: $tmp{'Namespace'}:$tmp{'Name'}\n";
foreach (sort keys %tmp) {
print STDERR " $_ $tmp{$_}\n";
}
}
if (!$tmp{'Name'}) {
return undef;
}
return \%tmp;
}
sub get_info {
my $self = shift;
my $chroot = shift;
my $chroot_type = "";
# If namespaces aren't supported, try to fall back to old style session.
open CHROOT_DATA, '-|', $self->get_conf('SCHROOT'), '--info', '--chroot', "session:$chroot" or
open CHROOT_DATA, '-|', $self->get_conf('SCHROOT'), '--info', '--chroot', $chroot or
die 'Can\'t run ' . $self->get_conf('SCHROOT') . ' to get chroot data';
my $tmp = $self->get_info_from_stream(\*CHROOT_DATA);
if (!$tmp) {
close CHROOT_DATA;
return undef;
}
close CHROOT_DATA or die "Can't close schroot pipe getting chroot data";
return $tmp;
}
sub get_info_all {
my $self = shift;
my $chroots = {};
local %ENV;
$ENV{'LC_ALL'} = 'C';
$ENV{'LANGUAGE'} = 'C';
open CHROOTS, '-|', $self->get_conf('SCHROOT'), '--info'
or die 'Can\'t run ' . $self->get_conf('SCHROOT');
my $tmp = undef;
while (defined($tmp = $self->get_info_from_stream(\*CHROOTS))) {
my $namespace = $tmp->{'Namespace'};
$namespace = "chroot"
if !$tmp->{'Namespace'};
$chroots->{$namespace} = {}
if (!exists($chroots->{$namespace}));
$chroots->{$namespace}->{$tmp->{'Name'}} = $tmp;
foreach my $alias (split(/\s+/, $tmp->{'Aliases'})) {
$chroots->{$namespace}->{$alias} = $tmp;
}
}
close CHROOTS or die "Can't close schroot pipe";
$self->set('Chroots', $chroots);
}
sub _create {
my $self = shift;
my $chroot_id = shift;
my $chroot = undef;
if (defined($chroot_id)) {
$chroot = Sbuild::ChrootSchroot->new($self->get('Config'), $chroot_id);
}
return $chroot;
}
1;
|
