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inc/ExtUtils/AutoInstall.pm  view on Meta::CPAN

            my $rv = $cp->install( modules => [ $obj->{module} ]);

            if ($rv and ($rv->{$obj->{module}} or $rv->{ok})) {
                print "*** $pkg successfully installed.\n";
                $success = 1;
            }
            else {
                print "*** $pkg installation cancelled.\n";
                $success = 0;
            }

            $installed += $success;
        }
        else {
            print << ".";
*** Could not find a version $ver or above for $pkg; skipping.
.
        }

        MY::postinstall($pkg, $ver, $success) if defined &MY::postinstall;
    }

    return $installed;
}

sub _install_cpan {
    my @modules = @{+shift};
    my @config  = @{+shift};
    my $installed = 0;
    my %args;

    require CPAN; CPAN::Config->load;
    require Config;

    return unless _can_write(MM->catfile($CPAN::Config->{cpan_home}, 'sources'))
              and _can_write($Config::Config{sitelib});

    # if we're root, set UNINST=1 to avoid trouble unless user asked for it.
    my $makeflags = $CPAN::Config->{make_install_arg} || '';
    $CPAN::Config->{make_install_arg} = join(' ', split(' ', $makeflags), 'UNINST=1')
        if ($makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' });

    # don't show start-up info
    $CPAN::Config->{inhibit_startup_message} = 1;

    # set additional options
    while (my ($opt, $arg) = splice(@config, 0, 2)) {
        ($args{$opt} = $arg, next)
            if $opt =~ /^force$/; # pseudo-option
        $CPAN::Config->{$opt} = $arg;
    }

    local $CPAN::Config->{prerequisites_policy} = 'follow';

    while (my ($pkg, $ver) = splice(@modules, 0, 2)) {
        MY::preinstall($pkg, $ver) or next if defined &MY::preinstall;

        print "*** Installing $pkg...\n";

        my $obj = CPAN::Shell->expand(Module => $pkg);
        my $success = 0;

        if ($obj and defined(_version_check($obj->cpan_version, $ver))) {
            my $pathname = $pkg; $pathname =~ s/::/\\W/;

            foreach my $inc (grep { m/$pathname.pm/i } keys(%INC)) {
                delete $INC{$inc};
            }

            $obj->force('install') if $args{force};

            my $rv = $obj->install || eval { 
                $CPAN::META->instance(
                    'CPAN::Distribution',
                    $obj->cpan_file,
                )->{install} if $CPAN::META
            };

            if ($rv eq 'YES') {
                print "*** $pkg successfully installed.\n";
                $success = 1;
            }
            else {
                print "*** $pkg installation failed.\n";
                $success = 0;
            }

            $installed += $success;
        }
        else {
            print << ".";
*** Could not find a version $ver or above for $pkg; skipping.
.
        }

        MY::postinstall($pkg, $ver, $success) if defined &MY::postinstall;
    }

    return $installed;
}

sub _has_cpanplus {
    return (
        $HasCPANPLUS = (
            $INC{'CPANPLUS/Config.pm'} or
            _load('CPANPLUS::Shell::Default')
        )
    );
}

# make guesses on whether we're under the CPAN installation directory
sub _under_cpan {
    require Cwd;
    require File::Spec;

    my $cwd  = File::Spec->canonpath(Cwd::cwd());
    my $cpan = File::Spec->canonpath($CPAN::Config->{cpan_home});

    return (index($cwd, $cpan) > -1);
}