perl-5.16.2/cpan/CPANPLUS/lib/CPANPLUS/Dist/Autobundle.pm

package CPANPLUS::Dist::Autobundle;

use strict;
use warnings;
use CPANPLUS::Error             qw[error msg];
use Params::Check               qw[check];
use Locale::Maketext::Simple    Class => 'CPANPLUS', Style => 'gettext';

use base qw[CPANPLUS::Dist::Base];

=head1 NAME

CPANPLUS::Dist::Autobundle - distribution class for installation snapshots

=head1 SYNOPSIS

    $modobj = $cb->parse_module( module => 'file://path/to/Snapshot_XXYY.pm' );
    $modobj->install;

=head1 DESCRIPTION

C<CPANPLUS::Dist::Autobundle> is a distribution class for installing installation
snapshots as created by C<CPANPLUS>' C<autobundle> command.

All modules as mentioned in the snapshot will be installed on your system.

=cut

sub init {
    my $dist    = shift;
    my $status  = $dist->status;

    $status->mk_accessors(
        qw[prepared created installed _prepare_args _create_args _install_args]
    );

    return 1;
}

sub prepare {
    my $dist = shift;
    my %args = @_;

    ### store the arguments, so ->install can use them in recursive loops ###
    $dist->status->_prepare_args( \%args );

    return $dist->status->prepared( 1 );
}

sub create {
    my $dist = shift;
    my $self = $dist->parent;

    ### we're also the cpan_dist, since we don't need to have anything
    ### prepared
    $dist    = $self->status->dist_cpan if      $self->status->dist_cpan;
    $self->status->dist_cpan( $dist )   unless  $self->status->dist_cpan;

    my $cb   = $self->parent;
    my $conf = $cb->configure_object;
    my %hash = @_;

    my( $force, $verbose, $prereq_target, $prereq_format, $prereq_build);

    my $args = do {
        local $Params::Check::ALLOW_UNKNOWN = 1;
        my $tmpl = {
            force           => {    default => $conf->get_conf('force'),
                                    store   => \$force },
            verbose         => {    default => $conf->get_conf('verbose'),
                                    store   => \$verbose },
            prereq_target   => {    default => '', store => \$prereq_target },

            ### don't set the default prereq format to 'makemaker' -- wrong!
            prereq_format   => {    #default => $self->status->installer_type,
                                    default => '',
                                    store   => \$prereq_format },
            prereq_build    => {    default => 0, store => \$prereq_build },
        };

        check( $tmpl, \%hash ) or return;
    };

    ### maybe we already ran a create on this object? ###
    return 1 if $dist->status->created && !$force;

    ### store the arguments, so ->install can use them in recursive loops ###
    $dist->status->_create_args( \%hash );

    msg(loc("Resolving prerequisites mentioned in the bundle"), $verbose);

    ### this will set the directory back to the start
    ### dir, so we must chdir /again/
    my $ok = $dist->_resolve_prereqs(
                        format          => $prereq_format,
                        verbose         => $verbose,
                        prereqs         => $self->status->prereqs,
                        target          => $prereq_target,
                        force           => $force,
                        prereq_build    => $prereq_build,
                );

    ### if all went well, mark it & return
    return $dist->status->created( $ok ? 1 : 0);
}

sub install {
    my $dist = shift;
    my %args = @_;

    ### store the arguments, so ->install can use them in recursive loops ###
    $dist->status->_install_args( \%args );

    return $dist->status->installed( 1 );
}

1;