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

    my $conf = $cp->configure_object;

    return unless $conf->can('conf') # 0.05x+ with "sudo" support
               or _can_write($conf->_get_build('base'));  # 0.04x

    # if we're root, set UNINST=1 to avoid trouble unless user asked for it.
    my $makeflags = $conf->get_conf('makeflags') || '';
    if ( UNIVERSAL::isa( $makeflags, 'HASH' ) ) {
        # 0.03+ uses a hashref here
        $makeflags->{UNINST} = 1 unless exists $makeflags->{UNINST};

    } else {
        # 0.02 and below uses a scalar
        $makeflags = join( ' ', split( ' ', $makeflags ), 'UNINST=1' )
          if ( $makeflags !~ /\bUNINST\b/ and eval qq{ $> eq '0' } );

    }
    $conf->set_conf( makeflags => $makeflags );
    $conf->set_conf( prereqs   => 1 );

    

    while ( my ( $key, $val ) = splice( @config, 0, 2 ) ) {
        $conf->set_conf( $key, $val );
    }

    my $modtree = $cp->module_tree;
    while ( my ( $pkg, $ver ) = splice( @modules, 0, 2 ) ) {
        print "*** Installing $pkg...\n";

        MY::preinstall( $pkg, $ver ) or next if defined &MY::preinstall;

        my $success;
        my $obj = $modtree->{$pkg};

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

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

            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 _cpanplus_config {
	my @config = ();
	while ( @_ ) {
		my ($key, $value) = (shift(), shift());
		if ( $key eq 'prerequisites_policy' ) {
			if ( $value eq 'follow' ) {
				$value = CPANPLUS::Internals::Constants::PREREQ_INSTALL();
			} elsif ( $value eq 'ask' ) {
				$value = CPANPLUS::Internals::Constants::PREREQ_ASK();
			} elsif ( $value eq 'ignore' ) {
				$value = CPANPLUS::Internals::Constants::PREREQ_IGNORE();
			} else {
				die "*** Cannot convert option $key = '$value' to CPANPLUS version.\n";
			}
		} else {
			die "*** Cannot convert option $key to CPANPLUS version.\n";
		}
	}
	return @config;
}

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

    _load_cpan();
    require Config;

    if (CPAN->VERSION < 1.80) {
        # no "sudo" support, probe for writableness
        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};
            }

            my $rv = $args{force} ? CPAN::Shell->force( install => $pkg )
                                  : CPAN::Shell->install($pkg);
            $rv ||= 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 );
}

sub _update_to {
    my $class = __PACKAGE__;
    my $ver   = shift;

    return
      if defined( _version_check( _load($class), $ver ) );  # no need to upgrade

    if (
        _prompt( "==> A newer version of $class ($ver) is required. Install?",
            'y' ) =~ /^[Nn]/
      )
    {
        die "*** Please install $class $ver manually.\n";
    }

    print << ".";
*** Trying to fetch it from CPAN...
.

    # install ourselves
    _load($class) and return $class->import(@_)
      if $class->install( [], $class, $ver );

    print << '.'; exit 1;

*** Cannot bootstrap myself. :-( Installation terminated.
.
}

# check if we're connected to some host, using inet_aton
sub _connected_to {
    my $site = shift;

    return (
        ( _load('Socket') and Socket::inet_aton($site) ) or _prompt(

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

    }

    # plain comparison
    local $^W = 0;    # shuts off 'not numeric' bugs
    return ( $cur >= $min ? $cur : undef );
}

# nothing; this usage is deprecated.
sub main::PREREQ_PM { return {}; }

sub _make_args {
    my %args = @_;

    $args{PREREQ_PM} = { %{ $args{PREREQ_PM} || {} }, @Existing, @Missing }
      if $UnderCPAN or $TestOnly;

    if ( $args{EXE_FILES} and -e 'MANIFEST' ) {
        require ExtUtils::Manifest;
        my $manifest = ExtUtils::Manifest::maniread('MANIFEST');

        $args{EXE_FILES} =
          [ grep { exists $manifest->{$_} } @{ $args{EXE_FILES} } ];
    }

    $args{test}{TESTS} ||= 't/*.t';
    $args{test}{TESTS} = join( ' ',
        grep { !exists( $DisabledTests{$_} ) }
          map { glob($_) } split( /\s+/, $args{test}{TESTS} ) );

    my $missing = join( ',', @Missing );
    my $config =
      join( ',', UNIVERSAL::isa( $Config, 'HASH' ) ? %{$Config} : @{$Config} )
      if $Config;

    $PostambleActions = (
        $missing
        ? "\$(PERL) $0 --config=$config --installdeps=$missing"
        : "\$(NOECHO) \$(NOOP)"
    );

    return %args;
}

# a wrapper to ExtUtils::MakeMaker::WriteMakefile
sub Write {
    require Carp;
    Carp::croak "WriteMakefile: Need even number of args" if @_ % 2;

    if ($CheckOnly) {
        print << ".";
*** Makefile not written in check-only mode.
.
        return;
    }

    my %args = _make_args(@_);

    no strict 'refs';

    $PostambleUsed = 0;
    local *MY::postamble = \&postamble unless defined &MY::postamble;
    ExtUtils::MakeMaker::WriteMakefile(%args);

    print << "." unless $PostambleUsed;
*** WARNING: Makefile written with customized MY::postamble() without
    including contents from Module::AutoInstall::postamble() --
    auto installation features disabled.  Please contact the author.
.

    return 1;
}

sub postamble {
    $PostambleUsed = 1;

    return << ".";

config :: installdeps
\t\$(NOECHO) \$(NOOP)

checkdeps ::
\t\$(PERL) $0 --checkdeps

installdeps ::
\t$PostambleActions

.

}

1;

__END__

#line 1003