Re: DOC PATCH (5.005_54 perlsub.pod)

[perl5.git] / lib / CPAN.pm

package CPAN;
use vars qw{$Try_autoload $Revision
	    $META $Signal $Cwd $End
	    $Suppress_readline %Dontload
	    $Frontend  $Defaultsite
	   };

$VERSION = '1.44_54';

# $Id: CPAN.pm,v 1.250 1999/01/14 12:26:13 k Exp $

# only used during development:
$Revision = "";
# $Revision = "[".substr(q$Revision: 1.250 $, 10)."]";

use Carp ();
use Config ();
use Cwd ();
use DirHandle;
use Exporter ();
use ExtUtils::MakeMaker (); # $SelfLoader::DEBUG=1;
use File::Basename ();
use File::Copy ();
use File::Find;
use File::Path ();
use FileHandle ();
use Safe ();
use Text::ParseWords ();
use Text::Wrap;

END { $End++; &cleanup; }

%CPAN::DEBUG = qw[
		  CPAN              1
		  Index             2
		  InfoObj           4
		  Author            8
		  Distribution     16
		  Bundle           32
		  Module           64
		  CacheMgr        128
		  Complete        256
		  FTP             512
		  Shell          1024
		  Eval           2048
		  Config         4096
		  Tarzip         8192
];

$CPAN::DEBUG ||= 0;
$CPAN::Signal ||= 0;
$CPAN::Frontend ||= "CPAN::Shell";
$CPAN::Defaultsite ||= "ftp://ftp.perl.org/pub/CPAN";

package CPAN;
use vars qw($VERSION @EXPORT $AUTOLOAD $DEBUG $META $term);
use strict qw(vars);

@CPAN::ISA = qw(CPAN::Debug Exporter);

@EXPORT = qw(
	     autobundle bundle expand force get
	     install make readme recompile shell test clean
	    );

#-> sub CPAN::AUTOLOAD ;
sub AUTOLOAD {
    my($l) = $AUTOLOAD;
    $l =~ s/.*:://;
    my(%EXPORT);
    @EXPORT{@EXPORT} = '';
    if (exists $EXPORT{$l}){
	CPAN::Shell->$l(@_);
    } else {
	my $ok = CPAN::Shell->try_dot_al($AUTOLOAD);
	if ($ok) {
	    goto &$AUTOLOAD;
#	} else {
#	    $CPAN::Frontend->mywarn("Could not autoload $AUTOLOAD");
	}
	$CPAN::Frontend->mywarn(qq{Unknown command "$AUTOLOAD". }.
				qq{Type ? for help.
});
    }
}

#-> sub CPAN::shell ;
sub shell {
    $Suppress_readline ||= ! -t STDIN;

    my $prompt = "cpan> ";
    local($^W) = 1;
    unless ($Suppress_readline) {
	require Term::ReadLine;
#	import Term::ReadLine;
	$term = Term::ReadLine->new('CPAN Monitor');
	$readline::rl_completion_function =
	    $readline::rl_completion_function = 'CPAN::Complete::cpl';
    }

    no strict;
    $META->checklock();
    my $getcwd;
    $getcwd = $CPAN::Config->{'getcwd'} || 'cwd';
    my $cwd = CPAN->$getcwd();
    my $rl_avail = $Suppress_readline ? "suppressed" :
	($term->ReadLine ne "Term::ReadLine::Stub") ? "enabled" :
	    "available (try ``install Bundle::CPAN'')";

    $CPAN::Frontend->myprint(
			     qq{
cpan shell -- CPAN exploration and modules installation (v$CPAN::VERSION$CPAN::Revision)
ReadLine support $rl_avail

}) unless $CPAN::Config->{'inhibit_startup_message'} ;
    my($continuation) = "";
    while () {
	if ($Suppress_readline) {
	    print $prompt;
	    last unless defined ($_ = <> );
	    chomp;
	} else {
	    last unless defined ($_ = $term->readline($prompt));
	}
	$_ = "$continuation$_" if $continuation;
	s/^\s+//;
	next if /^$/;
	$_ = 'h' if /^\s*\?/;
	if (/^(?:q(?:uit)?|bye|exit)$/i) {
	    last;
	} elsif (s/\\$//s) {
	    chomp;
	    $continuation = $_;
	    $prompt = "    > ";
	} elsif (/^\!/) {
	    s/^\!//;
	    my($eval) = $_;
	    package CPAN::Eval;
	    use vars qw($import_done);
	    CPAN->import(':DEFAULT') unless $import_done++;
	    CPAN->debug("eval[$eval]") if $CPAN::DEBUG;
	    eval($eval);
	    warn $@ if $@;
	    $continuation = "";
	    $prompt = "cpan> ";
	} elsif (/./) {
	    my(@line);
	    if ($] < 5.00322) { # parsewords had a bug until recently
		@line = split;
	    } else {
		eval { @line = Text::ParseWords::shellwords($_) };
		warn($@), next if $@;
	    }
	    $CPAN::META->debug("line[".join("|",@line)."]") if $CPAN::DEBUG;
	    my $command = shift @line;
	    eval { CPAN::Shell->$command(@line) };
	    warn $@ if $@;
	    chdir $cwd;
	    $CPAN::Frontend->myprint("\n");
	    $continuation = "";
	    $prompt = "cpan> ";
	}
    } continue {
      $Signal=0;
    }
}

package CPAN::CacheMgr;
@CPAN::CacheMgr::ISA = qw(CPAN::InfoObj CPAN);
use File::Find;

package CPAN::Config;
import ExtUtils::MakeMaker 'neatvalue';
use vars qw(%can $dot_cpan);

%can = (
  'commit' => "Commit changes to disk",
  'defaults' => "Reload defaults from disk",
  'init'   => "Interactive setting of all options",
);

package CPAN::FTP;
use vars qw($Ua $Thesite $Themethod);
@CPAN::FTP::ISA = qw(CPAN::Debug);

package CPAN::Complete;
@CPAN::Complete::ISA = qw(CPAN::Debug);

package CPAN::Index;
use vars qw($last_time $date_of_03);
@CPAN::Index::ISA = qw(CPAN::Debug);
$last_time ||= 0;
$date_of_03 ||= 0;

package CPAN::InfoObj;
@CPAN::InfoObj::ISA = qw(CPAN::Debug);

package CPAN::Author;
@CPAN::Author::ISA = qw(CPAN::InfoObj);

package CPAN::Distribution;
@CPAN::Distribution::ISA = qw(CPAN::InfoObj);

package CPAN::Bundle;
@CPAN::Bundle::ISA = qw(CPAN::Module);

package CPAN::Module;
@CPAN::Module::ISA = qw(CPAN::InfoObj);

package CPAN::Shell;
use vars qw($AUTOLOAD $redef @ISA);
@CPAN::Shell::ISA = qw(CPAN::Debug);

#-> sub CPAN::Shell::AUTOLOAD ;
sub AUTOLOAD {
    my($autoload) = $AUTOLOAD;
    my $class = shift(@_);
    # warn "autoload[$autoload] class[$class]";
    $autoload =~ s/.*:://;
    if ($autoload =~ /^w/) {
	if ($CPAN::META->has_inst('CPAN::WAIT')) {
	    CPAN::WAIT->$autoload(@_);
	} else {
	    $CPAN::Frontend->mywarn(qq{
Commands starting with "w" require CPAN::WAIT to be installed.
Please consider installing CPAN::WAIT to use the fulltext index.
For this you just need to type
    install CPAN::WAIT
});
	}
    } else {
	my $ok = CPAN::Shell->try_dot_al($AUTOLOAD);
	if ($ok) {
	    goto &$AUTOLOAD;
#	} else {
#	    $CPAN::Frontend->mywarn("Could not autoload $autoload");
	}
	$CPAN::Frontend->mywarn(qq{Unknown command '$autoload'. }.
				qq{Type ? for help.
});
    }
}

#-> CPAN::Shell::try_dot_al
sub try_dot_al {
    my($class,$autoload) = @_;
    return unless $CPAN::Try_autoload;
    # I don't see how to re-use that from the AutoLoader...
    my($name,$ok);
    # Braces used to preserve $1 et al.
    {
	my ($pkg,$func) = $autoload =~ /(.*)::([^:]+)$/;
	$pkg =~ s|::|/|g;
	if (defined($name=$INC{"$pkg.pm"}))
	    {
		$name =~ s|^(.*)$pkg\.pm$|$1auto/$pkg/$func.al|;
		$name = undef unless (-r $name);
	    }
	unless (defined $name)
	    {
		$name = "auto/$autoload.al";
		$name =~ s|::|/|g;
	    }
    }
    my $save = $@;
    eval {local $SIG{__DIE__};require $name};
    if ($@) {
	if (substr($autoload,-9) eq '::DESTROY') {
	    *$autoload = sub {};
	    $ok = 1;
	} else {
	    if ($name =~ s{(\w{12,})\.al$}{substr($1,0,11).".al"}e){
		eval {local $SIG{__DIE__};require $name};
	    }
	    if ($@){
		$@ =~ s/ at .*\n//;
		Carp::croak $@;
	    } else {
		$ok = 1;
	    }
	}
    } else {

	$ok = 1;

    }
    $@ = $save;
#    my $lm = Carp::longmess();
#    warn "ok[$ok] autoload[$autoload] longmess[$lm]"; # debug
    return $ok;
}

#### autoloader is experimental
#### to try it we have to set $Try_autoload and uncomment
#### the use statement and uncomment the __END__ below
#### You also need AutoSplit 1.01 available. MakeMaker will
#### then build CPAN with all the AutoLoad stuff.
# use AutoLoader;
# $Try_autoload = 1;

if ($CPAN::Try_autoload) {
    my $p;
    for $p (qw(
	       CPAN::Author CPAN::Bundle CPAN::CacheMgr CPAN::Complete
	       CPAN::Config CPAN::Debug CPAN::Distribution CPAN::FTP
	       CPAN::FTP::netrc CPAN::Index CPAN::InfoObj CPAN::Module
		 )) {
	*{"$p\::AUTOLOAD"} = \&AutoLoader::AUTOLOAD;
    }
}

package CPAN::Tarzip;
use vars qw($AUTOLOAD @ISA);
@CPAN::Tarzip::ISA = qw(CPAN::Debug);

package CPAN::Queue;
# currently only used to determine if we should or shouldn't announce
# the availability of a new CPAN module

# but now we try to use it for dependency tracking. For that to happen
# we need to draw a dependency tree and do the leaves first. This can
# easily be reached by running CPAN.pm recursively, but we don't want
# to waste memory and run into deep recursion. So what we can do is
# this: run the queue as the user suggested. When a dependency is
# detected check if it is in the queue. If so, rearrange, otherwise
# unshift it on the queue.

use vars qw{ @All };

sub new {
  my($class,$mod) = @_;
  my $self = bless {mod => $mod}, $class;
  push @All, $self;
  # my @all = map { $_->{mod} } @All;
  # warn "Adding Queue object for mod[$mod] all[@all]";
  return $self;

}

sub first {
  my $obj = $All[0];
  $obj->{mod};
}

sub delete_first {
  my($class,$what) = @_;
  my $i;
  for my $i (0..$#All) {
    if (  $All[$i]->{mod} eq $what ) {
      splice @All, $i, 1;
      return;
    }
  }
}

sub jumpqueue {
  my $class = shift;
  my @what = @_;
  my $obj;
  WHAT: for my $what (reverse @what) {
    my $jumped = 0;
    for (my $i=0; $i<$#All;$i++) { #prevent deep recursion
      if ($All[$i]->{mod} eq $what){
	$jumped++;
	if ($jumped > 100) { # one's OK if e.g. just processing now;
                             # more are OK if user typed it several
                             # times
	  $CPAN::Frontend->mywarn(
qq{Object [$what] queued more than 100 times, ignoring}
				 );
	  next WHAT;
	}
      }
    }
    my $obj = bless { mod => $what }, $class;
    unshift @All, $obj;
  }
}

sub exists {
  my($self,$what) = @_;
  my @all = map { $_->{mod} } @All;
  my $exists = grep { $_->{mod} eq $what } @All;
  # warn "Checking exists in Queue object for mod[$what] all[@all] exists[$exists]";
  $exists;
}

sub delete {
  my($self,$mod) = @_;
  @All = grep { $_->{mod} ne $mod } @All;
  # my @all = map { $_->{mod} } @All;
  # warn "Deleting Queue object for mod[$mod] all[@all]";
}

package CPAN;

$META ||= CPAN->new; # In case we re-eval ourselves we need the ||

# Do this after you have set up the whole inheritance
CPAN::Config->load unless defined $CPAN::No_Config_is_ok;

1;

# __END__ # uncomment this and AutoSplit version 1.01 will split it

#-> sub CPAN::autobundle ;
sub autobundle;
#-> sub CPAN::bundle ;
sub bundle;
#-> sub CPAN::expand ;
sub expand;
#-> sub CPAN::force ;
sub force;
#-> sub CPAN::install ;
sub install;
#-> sub CPAN::make ;
sub make;
#-> sub CPAN::clean ;
sub clean;
#-> sub CPAN::test ;
sub test;

#-> sub CPAN::all ;
sub all {
    my($mgr,$class) = @_;
    CPAN->debug("mgr[$mgr] class[$class]") if $CPAN::DEBUG;
    CPAN::Index->reload;
    values %{ $META->{$class} };
}

# Called by shell, not in batch mode. Not clean XXX
#-> sub CPAN::checklock ;
sub checklock {
    my($self) = @_;
    my $lockfile = MM->catfile($CPAN::Config->{cpan_home},".lock");
    if (-f $lockfile && -M _ > 0) {
	my $fh = FileHandle->new($lockfile);
	my $other = <$fh>;
	$fh->close;
	if (defined $other && $other) {
	    chomp $other;
	    return if $$==$other; # should never happen
	    $CPAN::Frontend->mywarn(
				    qq{
There seems to be running another CPAN process ($other). Contacting...
});
	    if (kill 0, $other) {
		$CPAN::Frontend->mydie(qq{Other job is running.
You may want to kill it and delete the lockfile, maybe. On UNIX try:
    kill $other
    rm $lockfile
});
	    } elsif (-w $lockfile) {
		my($ans) =
		    ExtUtils::MakeMaker::prompt
			(qq{Other job not responding. Shall I overwrite }.
			 qq{the lockfile? (Y/N)},"y");
		$CPAN::Frontend->myexit("Ok, bye\n")
		    unless $ans =~ /^y/i;
	    } else {
		Carp::croak(
			    qq{Lockfile $lockfile not writeable by you. }.
			    qq{Cannot proceed.\n}.
			    qq{    On UNIX try:\n}.
			    qq{    rm $lockfile\n}.
			    qq{  and then rerun us.\n}
			   );
	    }
	}
    }
    File::Path::mkpath($CPAN::Config->{cpan_home});
    my $fh;
    unless ($fh = FileHandle->new(">$lockfile")) {
	if ($! =~ /Permission/) {
	    my $incc = $INC{'CPAN/Config.pm'};
	    my $myincc = MM->catfile($ENV{HOME},'.cpan','CPAN','MyConfig.pm');
	    $CPAN::Frontend->myprint(qq{

Your configuration suggests that CPAN.pm should use a working
directory of
    $CPAN::Config->{cpan_home}
Unfortunately we could not create the lock file
    $lockfile
due to permission problems.

Please make sure that the configuration variable
    \$CPAN::Config->{cpan_home}
points to a directory where you can write a .lock file. You can set
this variable in either
    $incc
or
    $myincc

});
	}
	$CPAN::Frontend->mydie("Could not open >$lockfile: $!");
    }
    $fh->print($$, "\n");
    $self->{LOCK} = $lockfile;
    $fh->close;
    $SIG{'TERM'} = sub {
      &cleanup;
      $CPAN::Frontend->mydie("Got SIGTERM, leaving");
    };
    $SIG{'INT'} = sub {
      # no blocks!!!
      &cleanup if $Signal;
      $CPAN::Frontend->mydie("Got another SIGINT") if $Signal;
      print "Caught SIGINT\n";
      $Signal++;
    };
    $SIG{'__DIE__'} = \&cleanup;
    $self->debug("Signal handler set.") if $CPAN::DEBUG;
}

#-> sub CPAN::DESTROY ;
sub DESTROY {
    &cleanup; # need an eval?
}

#-> sub CPAN::cwd ;
sub cwd {Cwd::cwd();}

#-> sub CPAN::getcwd ;
sub getcwd {Cwd::getcwd();}

#-> sub CPAN::exists ;
sub exists {
    my($mgr,$class,$id) = @_;
    CPAN::Index->reload;
    ### Carp::croak "exists called without class argument" unless $class;
    $id ||= "";
    exists $META->{$class}{$id};
}

#-> sub CPAN::delete ;
sub delete {
  my($mgr,$class,$id) = @_;
  delete $META->{$class}{$id};
}

#-> sub CPAN::has_inst
sub has_inst {
    my($self,$mod,$message) = @_;
    Carp::croak("CPAN->has_inst() called without an argument")
	unless defined $mod;
    if (defined $message && $message eq "no") {
	$Dontload{$mod}||=1;
	return 0;
    } elsif (exists $Dontload{$mod}) {
	return 0;
    }
    my $file = $mod;
    my $obj;
    $file =~ s|::|/|g;
    $file =~ s|/|\\|g if $^O eq 'MSWin32';
    $file .= ".pm";
    if ($INC{$file}) {
#	warn "$file in %INC"; #debug
	return 1;
    } elsif (eval { require $file }) {
	# eval is good: if we haven't yet read the database it's
	# perfect and if we have installed the module in the meantime,
	# it tries again. The second require is only a NOOP returning
	# 1 if we had success, otherwise it's retrying
	$CPAN::Frontend->myprint("CPAN: $mod loaded ok\n");
	if ($mod eq "CPAN::WAIT") {
	    push @CPAN::Shell::ISA, CPAN::WAIT;
	}
	return 1;
    } elsif ($mod eq "Net::FTP") {
	warn qq{
  Please, install Net::FTP as soon as possible. CPAN.pm installs it for you
  if you just type
      install Bundle::libnet

};
	sleep 2;
    } elsif ($mod eq "MD5"){
	$CPAN::Frontend->myprint(qq{
  CPAN: MD5 security checks disabled because MD5 not installed.
  Please consider installing the MD5 module.

});
	sleep 2;
    }
    return 0;
}

#-> sub CPAN::instance ;
sub instance {
    my($mgr,$class,$id) = @_;
    CPAN::Index->reload;
    $id ||= "";
    $META->{$class}{$id} ||= $class->new(ID => $id );
}

#-> sub CPAN::new ;
sub new {
    bless {}, shift;
}

#-> sub CPAN::cleanup ;
sub cleanup {
  # warn "cleanup called with arg[@_] End[$End] Signal[$Signal]";
  local $SIG{__DIE__} = '';
  my($message) = @_;
  my $i = 0;
  my $ineval = 0;
  if (
      0 &&           # disabled, try reload cpan with it
      $] > 5.004_60  # thereabouts
     ) {
    $ineval = $^S;
  } else {
    my($subroutine);
    while ((undef,undef,undef,$subroutine) = caller(++$i)) {
      $ineval = 1, last if
	  $subroutine eq '(eval)';
    }
  }
  return if $ineval && !$End;
  return unless defined $META->{'LOCK'};
  return unless -f $META->{'LOCK'};
  unlink $META->{'LOCK'};
  # require Carp;
  # Carp::cluck("DEBUGGING");
  $CPAN::Frontend->mywarn("Lockfile removed.\n");
}

package CPAN::CacheMgr;

#-> sub CPAN::CacheMgr::as_string ;
sub as_string {
    eval { require Data::Dumper };
    if ($@) {
	return shift->SUPER::as_string;
    } else {
	return Data::Dumper::Dumper(shift);
    }
}

#-> sub CPAN::CacheMgr::cachesize ;
sub cachesize {
    shift->{DU};
}

sub tidyup {
  my($self) = @_;
  return unless -d $self->{ID};
  while ($self->{DU} > $self->{'MAX'} ) {
    my($toremove) = shift @{$self->{FIFO}};
    $CPAN::Frontend->myprint(sprintf(
				     "Deleting from cache".
				     ": $toremove (%.1f>%.1f MB)\n",
				     $self->{DU}, $self->{'MAX'})
			    );
    return if $CPAN::Signal;
    $self->force_clean_cache($toremove);
    return if $CPAN::Signal;
  }
}

#-> sub CPAN::CacheMgr::dir ;
sub dir {
    shift->{ID};
}

#-> sub CPAN::CacheMgr::entries ;
sub entries {
    my($self,$dir) = @_;
    return unless defined $dir;
    $self->debug("reading dir[$dir]") if $CPAN::DEBUG;
    $dir ||= $self->{ID};
    my $getcwd;
    $getcwd  = $CPAN::Config->{'getcwd'} || 'cwd';
    my($cwd) = CPAN->$getcwd();
    chdir $dir or Carp::croak("Can't chdir to $dir: $!");
    my $dh = DirHandle->new(".") or Carp::croak("Couldn't opendir $dir: $!");
    my(@entries);
    for ($dh->read) {
	next if $_ eq "." || $_ eq "..";
	if (-f $_) {
	    push @entries, MM->catfile($dir,$_);
	} elsif (-d _) {
	    push @entries, MM->catdir($dir,$_);
	} else {
	    $CPAN::Frontend->mywarn("Warning: weird direntry in $dir: $_\n");
	}
    }
    chdir $cwd or Carp::croak("Can't chdir to $cwd: $!");
    sort { -M $b <=> -M $a} @entries;
}

#-> sub CPAN::CacheMgr::disk_usage ;
sub disk_usage {
    my($self,$dir) = @_;
    return if exists $self->{SIZE}{$dir};
    return if $CPAN::Signal;
    my($Du) = 0;
    find(
	 sub {
	     $File::Find::prune++ if $CPAN::Signal;
	     return if -l $_;
	     $Du += (-s _); # parens to help cperl-mode
	 },
	 $dir
	);
    return if $CPAN::Signal;
    $self->{SIZE}{$dir} = $Du/1024/1024;
    push @{$self->{FIFO}}, $dir;
    $self->debug("measured $dir is $Du") if $CPAN::DEBUG;
    $self->{DU} += $Du/1024/1024;
    $self->{DU};
}

#-> sub CPAN::CacheMgr::force_clean_cache ;
sub force_clean_cache {
    my($self,$dir) = @_;
    return unless -e $dir;
    $self->debug("have to rmtree $dir, will free $self->{SIZE}{$dir}")
	if $CPAN::DEBUG;
    File::Path::rmtree($dir);
    $self->{DU} -= $self->{SIZE}{$dir};
    delete $self->{SIZE}{$dir};
}

#-> sub CPAN::CacheMgr::new ;
sub new {
    my $class = shift;
    my $time = time;
    my($debug,$t2);
    $debug = "";
    my $self = {
		ID => $CPAN::Config->{'build_dir'},
		MAX => $CPAN::Config->{'build_cache'},
		SCAN => $CPAN::Config->{'scan_cache'} || 'atstart',
		DU => 0
	       };
    File::Path::mkpath($self->{ID});
    my $dh = DirHandle->new($self->{ID});
    bless $self, $class;
    $self->scan_cache;
    $t2 = time;
    $debug .= "timing of CacheMgr->new: ".($t2 - $time);
    $time = $t2;
    CPAN->debug($debug) if $CPAN::DEBUG;
    $self;
}

#-> sub CPAN::CacheMgr::scan_cache ;
sub scan_cache {
    my $self = shift;
    return if $self->{SCAN} eq 'never';
    $CPAN::Frontend->mydie("Unknown scan_cache argument: $self->{SCAN}")
	unless $self->{SCAN} eq 'atstart';
    $CPAN::Frontend->myprint(
			     sprintf("Scanning cache %s for sizes\n",
				     $self->{ID}));
    my $e;
    for $e ($self->entries($self->{ID})) {
	next if $e eq ".." || $e eq ".";
	$self->disk_usage($e);
	return if $CPAN::Signal;
    }
    $self->tidyup;
}

package CPAN::Debug;

#-> sub CPAN::Debug::debug ;
sub debug {
    my($self,$arg) = @_;
    my($caller,$func,$line,@rest) = caller(1); # caller(0) eg
                                               # Complete, caller(1)
                                               # eg readline
    ($caller) = caller(0);
    $caller =~ s/.*:://;
    $arg = "" unless defined $arg;
    my $rest = join "|", map { defined $_ ? $_ : "UNDEF" } @rest;
    if ($CPAN::DEBUG{$caller} & $CPAN::DEBUG){
	if ($arg and ref $arg) {
	    eval { require Data::Dumper };
	    if ($@) {
		$CPAN::Frontend->myprint($arg->as_string);
	    } else {
		$CPAN::Frontend->myprint(Data::Dumper::Dumper($arg));
	    }
	} else {
	    $CPAN::Frontend->myprint("Debug($caller:$func,$line,[$rest]): $arg\n");
	}
    }
}

package CPAN::Config;

#-> sub CPAN::Config::edit ;
sub edit {
    my($class,@args) = @_;
    return unless @args;
    CPAN->debug("class[$class]args[".join(" | ",@args)."]");
    my($o,$str,$func,$args,$key_exists);
    $o = shift @args;
    if($can{$o}) {
	$class->$o(@args);
	return 1;
    } else {
	if (ref($CPAN::Config->{$o}) eq ARRAY) {
	    $func = shift @args;
	    $func ||= "";
	    # Let's avoid eval, it's easier to comprehend without.
	    if ($func eq "push") {
		push @{$CPAN::Config->{$o}}, @args;
	    } elsif ($func eq "pop") {
		pop @{$CPAN::Config->{$o}};
	    } elsif ($func eq "shift") {
		shift @{$CPAN::Config->{$o}};
	    } elsif ($func eq "unshift") {
		unshift @{$CPAN::Config->{$o}}, @args;
	    } elsif ($func eq "splice") {
		splice @{$CPAN::Config->{$o}}, @args;
	    } elsif (@args) {
		$CPAN::Config->{$o} = [@args];
	    } else {
		$CPAN::Frontend->myprint(
					 join "",
					 "  $o  ",
					 ExtUtils::MakeMaker::neatvalue($CPAN::Config->{$o}),
					 "\n"
		     );
	    }
	} else {
	    $CPAN::Config->{$o} = $args[0] if defined $args[0];
	    $CPAN::Frontend->myprint("    $o    " .
				     (defined $CPAN::Config->{$o} ?
				      $CPAN::Config->{$o} : "UNDEFINED"));
	}
    }
}

#-> sub CPAN::Config::commit ;
sub commit {
    my($self,$configpm) = @_;
    unless (defined $configpm){
	$configpm ||= $INC{"CPAN/MyConfig.pm"};
	$configpm ||= $INC{"CPAN/Config.pm"};
	$configpm || Carp::confess(q{
CPAN::Config::commit called without an argument.
Please specify a filename where to save the configuration or try
"o conf init" to have an interactive course through configing.
});
    }
    my($mode);
    if (-f $configpm) {
	$mode = (stat $configpm)[2];
	if ($mode && ! -w _) {
	    Carp::confess("$configpm is not writable");
	}
    }

    my $msg = <<EOF unless $configpm =~ /MyConfig/;

# This is CPAN.pm's systemwide configuration file. This file provides
# defaults for users, and the values can be changed in a per-user
# configuration file. The user-config file is being looked for as
# ~/.cpan/CPAN/MyConfig.pm.

EOF
    $msg ||= "\n";
    my($fh) = FileHandle->new;
    rename $configpm, "$configpm~" if -f $configpm;
    open $fh, ">$configpm" or warn "Couldn't open >$configpm: $!";
    $fh->print(qq[$msg\$CPAN::Config = \{\n]);
    foreach (sort keys %$CPAN::Config) {
	$fh->print(
		   "  '$_' => ",
		   ExtUtils::MakeMaker::neatvalue($CPAN::Config->{$_}),
		   ",\n"
		  );
    }

    $fh->print("};\n1;\n__END__\n");
    close $fh;

    #$mode = 0444 | ( $mode & 0111 ? 0111 : 0 );
    #chmod $mode, $configpm;
###why was that so?    $self->defaults;
    $CPAN::Frontend->myprint("commit: wrote $configpm\n");
    1;
}

*default = \&defaults;
#-> sub CPAN::Config::defaults ;
sub defaults {
    my($self) = @_;
    $self->unload;
    $self->load;
    1;
}

sub init {
    my($self) = @_;
    undef $CPAN::Config->{'inhibit_startup_message'}; # lazy trick to
                                                      # have the least
                                                      # important
                                                      # variable
                                                      # undefined
    $self->load;
    1;
}

#-> sub CPAN::Config::load ;
sub load {
    my($self) = shift;
    my(@miss);
    use Carp;
    eval {require CPAN::Config;};       # We eval because of some
                                        # MakeMaker problems
    unless ($dot_cpan++){
      unshift @INC, MM->catdir($ENV{HOME},".cpan");
      eval {require CPAN::MyConfig;};   # where you can override
                                        # system wide settings
      shift @INC;
    }
    return unless @miss = $self->not_loaded;
    # XXX better check for arrayrefs too
    require CPAN::FirstTime;
    my($configpm,$fh,$redo,$theycalled);
    $redo ||= "";
    $theycalled++ if @miss==1 && $miss[0] eq 'inhibit_startup_message';
    if (defined $INC{"CPAN/Config.pm"} && -w $INC{"CPAN/Config.pm"}) {
	$configpm = $INC{"CPAN/Config.pm"};
	$redo++;
    } elsif (defined $INC{"CPAN/MyConfig.pm"} && -w $INC{"CPAN/MyConfig.pm"}) {
	$configpm = $INC{"CPAN/MyConfig.pm"};
	$redo++;
    } else {
	my($path_to_cpan) = File::Basename::dirname($INC{"CPAN.pm"});
	my($configpmdir) = MM->catdir($path_to_cpan,"CPAN");
	my($configpmtest) = MM->catfile($configpmdir,"Config.pm");
	if (-d $configpmdir or File::Path::mkpath($configpmdir)) {
	    if (-w $configpmtest) {
		$configpm = $configpmtest;
	    } elsif (-w $configpmdir) {
		#_#_# following code dumped core on me with 5.003_11, a.k.
		unlink "$configpmtest.bak" if -f "$configpmtest.bak";
		rename $configpmtest, "$configpmtest.bak" if -f $configpmtest;
		my $fh = FileHandle->new;
		if ($fh->open(">$configpmtest")) {
		    $fh->print("1;\n");
		    $configpm = $configpmtest;
		} else {
		    # Should never happen
		    Carp::confess("Cannot open >$configpmtest");
		}
	    }
	}
	unless ($configpm) {
	    $configpmdir = MM->catdir($ENV{HOME},".cpan","CPAN");
	    File::Path::mkpath($configpmdir);
	    $configpmtest = MM->catfile($configpmdir,"MyConfig.pm");
	    if (-w $configpmtest) {
		$configpm = $configpmtest;
	    } elsif (-w $configpmdir) {
		#_#_# following code dumped core on me with 5.003_11, a.k.
		my $fh = FileHandle->new;
		if ($fh->open(">$configpmtest")) {
		    $fh->print("1;\n");
		    $configpm = $configpmtest;
		} else {
		    # Should never happen
		    Carp::confess("Cannot open >$configpmtest");
		}
	    } else {
		Carp::confess(qq{WARNING: CPAN.pm is unable to }.
			      qq{create a configuration file.});
	    }
	}
    }
    local($") = ", ";
    $CPAN::Frontend->myprint(<<END) if $redo && ! $theycalled;
We have to reconfigure CPAN.pm due to following uninitialized parameters:

@miss
END
    $CPAN::Frontend->myprint(qq{
$configpm initialized.
});
    sleep 2;
    CPAN::FirstTime::init($configpm);
}

#-> sub CPAN::Config::not_loaded ;
sub not_loaded {
    my(@miss);
    for (qw(
	    cpan_home keep_source_where build_dir build_cache scan_cache
	    index_expire gzip tar unzip make pager makepl_arg make_arg
	    make_install_arg urllist inhibit_startup_message
	    ftp_proxy http_proxy no_proxy prerequisites_policy
	   )) {
	push @miss, $_ unless defined $CPAN::Config->{$_};
    }
    return @miss;
}

#-> sub CPAN::Config::unload ;
sub unload {
    delete $INC{'CPAN/MyConfig.pm'};
    delete $INC{'CPAN/Config.pm'};
}

#-> sub CPAN::Config::help ;
sub help {
    $CPAN::Frontend->myprint(q[
Known options:
  defaults  reload default config values from disk
  commit    commit session changes to disk
  init      go through a dialog to set all parameters

You may edit key values in the follow fashion:

  o conf build_cache 15

  o conf build_dir "/foo/bar"

  o conf urllist shift

  o conf urllist unshift ftp://ftp.foo.bar/

]);
    undef; #don't reprint CPAN::Config
}

#-> sub CPAN::Config::cpl ;
sub cpl {
    my($word,$line,$pos) = @_;
    $word ||= "";
    CPAN->debug("word[$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
    my(@words) = split " ", substr($line,0,$pos+1);
    if (
	defined($words[2])
	and
	(
	 $words[2] =~ /list$/ && @words == 3
	 ||
	 $words[2] =~ /list$/ && @words == 4 && length($word)
	)
       ) {
	return grep /^\Q$word\E/, qw(splice shift unshift pop push);
    } elsif (@words >= 4) {
	return ();
    }
    my(@o_conf) = (keys %CPAN::Config::can, keys %$CPAN::Config);
    return grep /^\Q$word\E/, @o_conf;
}

package CPAN::Shell;

#-> sub CPAN::Shell::h ;
sub h {
    my($class,$about) = @_;
    if (defined $about) {
	$CPAN::Frontend->myprint("Detailed help not yet implemented\n");
    } else {
	$CPAN::Frontend->myprint(q{
command   arguments       description
a         string                  authors
b         or              display bundles
d         /regex/         info    distributions
m         or              about   modules
i         none                    anything of above

r          as             reinstall recommendations
u          above          uninstalled distributions
See manpage for autobundle, recompile, force, look, etc.

make                      make
test      modules,        make test (implies make)
install   dists, bundles, make install (implies test)
clean     "r" or "u"      make clean
readme                    display the README file

reload    index|cpan    load most recent indices/CPAN.pm
h or ?                  display this menu
o         various       set and query options
!         perl-code     eval a perl command
q                       quit the shell subroutine
});
    }
}

*help = \&h;

#-> sub CPAN::Shell::a ;
sub a { $CPAN::Frontend->myprint(shift->format_result('Author',@_));}
#-> sub CPAN::Shell::b ;
sub b {
    my($self,@which) = @_;
    CPAN->debug("which[@which]") if $CPAN::DEBUG;
    my($incdir,$bdir,$dh);
    foreach $incdir ($CPAN::Config->{'cpan_home'},@INC) {
	$bdir = MM->catdir($incdir,"Bundle");
	if ($dh = DirHandle->new($bdir)) { # may fail
	    my($entry);
	    for $entry ($dh->read) {
		next if -d MM->catdir($bdir,$entry);
		next unless $entry =~ s/\.pm$//;
		$CPAN::META->instance('CPAN::Bundle',"Bundle::$entry");
	    }
	}
    }
    $CPAN::Frontend->myprint($self->format_result('Bundle',@which));
}
#-> sub CPAN::Shell::d ;
sub d { $CPAN::Frontend->myprint(shift->format_result('Distribution',@_));}
#-> sub CPAN::Shell::m ;
sub m { # emacs confused here }; sub mimimimimi { # emacs in sync here
    $CPAN::Frontend->myprint(shift->format_result('Module',@_));
}

#-> sub CPAN::Shell::i ;
sub i {
    my($self) = shift;
    my(@args) = @_;
    my(@type,$type,@m);
    @type = qw/Author Bundle Distribution Module/;
    @args = '/./' unless @args;
    my(@result);
    for $type (@type) {
	push @result, $self->expand($type,@args);
    }
    my $result =  @result == 1 ?
	$result[0]->as_string :
	    join "", map {$_->as_glimpse} @result;
    $result ||= "No objects found of any type for argument @args\n";
    $CPAN::Frontend->myprint($result);
}

#-> sub CPAN::Shell::o ;
sub o {
    my($self,$o_type,@o_what) = @_;
    $o_type ||= "";
    CPAN->debug("o_type[$o_type] o_what[".join(" | ",@o_what)."]\n");
    if ($o_type eq 'conf') {
	shift @o_what if @o_what && $o_what[0] eq 'help';
	if (!@o_what) {
	    my($k,$v);
	    $CPAN::Frontend->myprint("CPAN::Config options");
	    if (exists $INC{'CPAN/Config.pm'}) {
	      $CPAN::Frontend->myprint(" from $INC{'CPAN/Config.pm'}");
	    }
	    if (exists $INC{'CPAN/MyConfig.pm'}) {
	      $CPAN::Frontend->myprint(" and $INC{'CPAN/MyConfig.pm'}");
	    }
	    $CPAN::Frontend->myprint(":\n");
	    for $k (sort keys %CPAN::Config::can) {
		$v = $CPAN::Config::can{$k};
		$CPAN::Frontend->myprint(sprintf "    %-18s %s\n", $k, $v);
	    }
	    $CPAN::Frontend->myprint("\n");
	    for $k (sort keys %$CPAN::Config) {
		$v = $CPAN::Config->{$k};
		if (ref $v) {
		    $CPAN::Frontend->myprint(
					     join(
						  "",
						  sprintf(
							  "    %-18s\n",
							  $k
							 ),
						  map {"\t$_\n"} @{$v}
						 )
					    );
		} else {
		    $CPAN::Frontend->myprint(sprintf "    %-18s %s\n", $k, $v);
		}
	    }
	    $CPAN::Frontend->myprint("\n");
	} elsif (!CPAN::Config->edit(@o_what)) {
	    $CPAN::Frontend->myprint(qq[Type 'o conf' to view configuration edit options\n\n]);
	}
    } elsif ($o_type eq 'debug') {
	my(%valid);
	@o_what = () if defined $o_what[0] && $o_what[0] =~ /help/i;
	if (@o_what) {
	    while (@o_what) {
		my($what) = shift @o_what;
		if ( exists $CPAN::DEBUG{$what} ) {
		    $CPAN::DEBUG |= $CPAN::DEBUG{$what};
		} elsif ($what =~ /^\d/) {
		    $CPAN::DEBUG = $what;
		} elsif (lc $what eq 'all') {
		    my($max) = 0;
		    for (values %CPAN::DEBUG) {
			$max += $_;
		    }
		    $CPAN::DEBUG = $max;
		} else {
		    my($known) = 0;
		    for (keys %CPAN::DEBUG) {
			next unless lc($_) eq lc($what);
			$CPAN::DEBUG |= $CPAN::DEBUG{$_};
			$known = 1;
		    }
		    $CPAN::Frontend->myprint("unknown argument [$what]\n")
			unless $known;
		}
	    }
	} else {
	    $CPAN::Frontend->myprint("Valid options for debug are ".
				     join(", ",sort(keys %CPAN::DEBUG), 'all').
		    qq{ or a number. Completion works on the options. }.
			qq{Case is ignored.\n\n});
	}
	if ($CPAN::DEBUG) {
	    $CPAN::Frontend->myprint("Options set for debugging:\n");
	    my($k,$v);
	    for $k (sort {$CPAN::DEBUG{$a} <=> $CPAN::DEBUG{$b}} keys %CPAN::DEBUG) {
		$v = $CPAN::DEBUG{$k};
		$CPAN::Frontend->myprint(sprintf "    %-14s(%s)\n", $k, $v) if $v & $CPAN::DEBUG;
	    }
	} else {
	    $CPAN::Frontend->myprint("Debugging turned off completely.\n");
	}
    } else {
	$CPAN::Frontend->myprint(qq{
Known options:
  conf    set or get configuration variables
  debug   set or get debugging options
});
    }
}

#-> sub CPAN::Shell::reload ;
sub reload {
    my($self,$command,@arg) = @_;
    $command ||= "";
    $self->debug("self[$self]command[$command]arg[@arg]") if $CPAN::DEBUG;
    if ($command =~ /cpan/i) {
	CPAN->debug("reloading the whole CPAN.pm") if $CPAN::DEBUG;
	my $fh = FileHandle->new($INC{'CPAN.pm'});
	local($/);
	$redef = 0;
	local($SIG{__WARN__})
	    = sub {
		if ( $_[0] =~ /Subroutine (\w+) redefined/ ) {
		  my($subr) = $1;
		  ++$redef;
		  local($|) = 1;
		  # $CPAN::Frontend->myprint(".($subr)");
		  $CPAN::Frontend->myprint(".");
		  return;
		}
		warn @_;
	    };
	eval <$fh>;
	warn $@ if $@;
	$CPAN::Frontend->myprint("\n$redef subroutines redefined\n");
    } elsif ($command =~ /index/) {
      CPAN::Index->force_reload;
    } else {
      $CPAN::Frontend->myprint(qq{cpan     re-evals the CPAN.pm file
index    re-reads the index files
});
    }
}

#-> sub CPAN::Shell::_binary_extensions ;
sub _binary_extensions {
    my($self) = shift @_;
    my(@result,$module,%seen,%need,$headerdone);
    my $isaperl = q{perl5[._-]\\d{3}(_[0-4][0-9])?\\.tar[._-]gz$};
    for $module ($self->expand('Module','/./')) {
	my $file  = $module->cpan_file;
	next if $file eq "N/A";
	next if $file =~ /^Contact Author/;
	next if $file =~ / $isaperl /xo;
	next unless $module->xs_file;
	local($|) = 1;
	$CPAN::Frontend->myprint(".");
	push @result, $module;
    }
#    print join " | ", @result;
    $CPAN::Frontend->myprint("\n");
    return @result;
}

#-> sub CPAN::Shell::recompile ;
sub recompile {
    my($self) = shift @_;
    my($module,@module,$cpan_file,%dist);
    @module = $self->_binary_extensions();
    for $module (@module){  # we force now and compile later, so we
                            # don't do it twice
	$cpan_file = $module->cpan_file;
	my $pack = $CPAN::META->instance('CPAN::Distribution',$cpan_file);
	$pack->force;
	$dist{$cpan_file}++;
    }
    for $cpan_file (sort keys %dist) {
	$CPAN::Frontend->myprint("  CPAN: Recompiling $cpan_file\n\n");
	my $pack = $CPAN::META->instance('CPAN::Distribution',$cpan_file);
	$pack->install;
	$CPAN::Signal = 0; # it's tempting to reset Signal, so we can
                           # stop a package from recompiling,
                           # e.g. IO-1.12 when we have perl5.003_10
    }
}

#-> sub CPAN::Shell::_u_r_common ;
sub _u_r_common {
    my($self) = shift @_;
    my($what) = shift @_;
    CPAN->debug("self[$self] what[$what] args[@_]") if $CPAN::DEBUG;
    Carp::croak "Usage: \$obj->_u_r_common($what)" unless defined $what;
    Carp::croak "Usage: \$obj->_u_r_common(a|r|u)" unless $what =~ /^[aru]$/;
    my(@args) = @_;
    @args = '/./' unless @args;
    my(@result,$module,%seen,%need,$headerdone,
       $version_undefs,$version_zeroes);
    $version_undefs = $version_zeroes = 0;
    my $sprintf = "%-25s %9s %9s  %s\n";
    for $module ($self->expand('Module',@args)) {
	my $file  = $module->cpan_file;
	next unless defined $file; # ??
	my($latest) = $module->cpan_version;
	my($inst_file) = $module->inst_file;
	my($have);
	return if $CPAN::Signal;
	if ($inst_file){
	    if ($what eq "a") {
		$have = $module->inst_version;
	    } elsif ($what eq "r") {
		$have = $module->inst_version;
		local($^W) = 0;
		if ($have eq "undef"){
		    $version_undefs++;
		} elsif ($have == 0){
		    $version_zeroes++;
		}
		next if $have >= $latest;
# to be pedantic we should probably say:
#    && !($have eq "undef" && $latest ne "undef" && $latest gt "");
# to catch the case where CPAN has a version 0 and we have a version undef
	    } elsif ($what eq "u") {
		next;
	    }
	} else {
	    if ($what eq "a") {
		next;
	    } elsif ($what eq "r") {
		next;
	    } elsif ($what eq "u") {
		$have = "-";
	    }
	}
	return if $CPAN::Signal; # this is sometimes lengthy
	$seen{$file} ||= 0;
	if ($what eq "a") {
	    push @result, sprintf "%s %s\n", $module->id, $have;
	} elsif ($what eq "r") {
	    push @result, $module->id;
	    next if $seen{$file}++;
	} elsif ($what eq "u") {
	    push @result, $module->id;
	    next if $seen{$file}++;
	    next if $file =~ /^Contact/;
	}
	unless ($headerdone++){
	    $CPAN::Frontend->myprint("\n");
	    $CPAN::Frontend->myprint(sprintf(
		   $sprintf,
		   "Package namespace",
		   "installed",
		   "latest",
		   "in CPAN file"
		   ));
	}
	$latest = substr($latest,0,8) if length($latest) > 8;
	$have = substr($have,0,8) if length($have) > 8;
	$CPAN::Frontend->myprint(sprintf $sprintf, $module->id, $have, $latest, $file);
	$need{$module->id}++;
    }
    unless (%need) {
	if ($what eq "u") {
	    $CPAN::Frontend->myprint("No modules found for @args\n");
	} elsif ($what eq "r") {
	    $CPAN::Frontend->myprint("All modules are up to date for @args\n");
	}
    }
    if ($what eq "r") {
	if ($version_zeroes) {
	    my $s_has = $version_zeroes > 1 ? "s have" : " has";
	    $CPAN::Frontend->myprint(qq{$version_zeroes installed module$s_has }.
		qq{a version number of 0\n});
	}
	if ($version_undefs) {
	    my $s_has = $version_undefs > 1 ? "s have" : " has";
	    $CPAN::Frontend->myprint(qq{$version_undefs installed module$s_has no }.
		qq{parseable version number\n});
	}
    }
    @result;
}

#-> sub CPAN::Shell::r ;
sub r {
    shift->_u_r_common("r",@_);
}

#-> sub CPAN::Shell::u ;
sub u {
    shift->_u_r_common("u",@_);
}

#-> sub CPAN::Shell::autobundle ;
sub autobundle {
    my($self) = shift;
    my(@bundle) = $self->_u_r_common("a",@_);
    my($todir) = MM->catdir($CPAN::Config->{'cpan_home'},"Bundle");
    File::Path::mkpath($todir);
    unless (-d $todir) {
	$CPAN::Frontend->myprint("Couldn't mkdir $todir for some reason\n");
	return;
    }
    my($y,$m,$d) =  (localtime)[5,4,3];
    $y+=1900;
    $m++;
    my($c) = 0;
    my($me) = sprintf "Snapshot_%04d_%02d_%02d_%02d", $y, $m, $d, $c;
    my($to) = MM->catfile($todir,"$me.pm");
    while (-f $to) {
	$me = sprintf "Snapshot_%04d_%02d_%02d_%02d", $y, $m, $d, ++$c;
	$to = MM->catfile($todir,"$me.pm");
    }
    my($fh) = FileHandle->new(">$to") or Carp::croak "Can't open >$to: $!";
    $fh->print(
	       "package Bundle::$me;\n\n",
	       "\$VERSION = '0.01';\n\n",
	       "1;\n\n",
	       "__END__\n\n",
	       "=head1 NAME\n\n",
	       "Bundle::$me - Snapshot of installation on ",
	       $Config::Config{'myhostname'},
	       " on ",
	       scalar(localtime),
	       "\n\n=head1 SYNOPSIS\n\n",
	       "perl -MCPAN -e 'install Bundle::$me'\n\n",
	       "=head1 CONTENTS\n\n",
	       join("\n", @bundle),
	       "\n\n=head1 CONFIGURATION\n\n",
	       Config->myconfig,
	       "\n\n=head1 AUTHOR\n\n",
	       "This Bundle has been generated automatically ",
	       "by the autobundle routine in CPAN.pm.\n",
	      );
    $fh->close;
    $CPAN::Frontend->myprint("\nWrote bundle file
    $to\n\n");
}

#-> sub CPAN::Shell::expand ;
sub expand {
    shift;
    my($type,@args) = @_;
    my($arg,@m);
    for $arg (@args) {
	my $regex;
	if ($arg =~ m|^/(.*)/$|) {
	    $regex = $1;
	}
	my $class = "CPAN::$type";
	my $obj;
	if (defined $regex) {
	    for $obj ( sort {$a->id cmp $b->id} $CPAN::META->all($class)) {
		push @m, $obj
		    if
			$obj->id =~ /$regex/i
			    or
			(
			 (
			  $] < 5.00303 ### provide sort of compatibility with 5.003
			  ||
			  $obj->can('name')
			 )
			 &&
			 $obj->name  =~ /$regex/i
			);
	    }
	} else {
	    my($xarg) = $arg;
	    if ( $type eq 'Bundle' ) {
		$xarg =~ s/^(Bundle::)?(.*)/Bundle::$2/;
	    }
	    if ($CPAN::META->exists($class,$xarg)) {
		$obj = $CPAN::META->instance($class,$xarg);
	    } elsif ($CPAN::META->exists($class,$arg)) {
		$obj = $CPAN::META->instance($class,$arg);
	    } else {
		next;
	    }
	    push @m, $obj;
	}
    }
    return wantarray ? @m : $m[0];
}

#-> sub CPAN::Shell::format_result ;
sub format_result {
    my($self) = shift;
    my($type,@args) = @_;
    @args = '/./' unless @args;
    my(@result) = $self->expand($type,@args);
    my $result =  @result == 1 ?
	$result[0]->as_string :
	    join "", map {$_->as_glimpse} @result;
    $result ||= "No objects of type $type found for argument @args\n";
    $result;
}

# The only reason for this method is currently to have a reliable
# debugging utility that reveals which output is going through which
# channel. No, I don't like the colors ;-)
sub print_ornamented {
    my($self,$what,$ornament) = @_;
    my $longest = 0;
    my $ornamenting = 0; # turn the colors on

    if ($ornamenting) {
	unless (defined &color) {
	    if ($CPAN::META->has_inst("Term::ANSIColor")) {
		import Term::ANSIColor "color";
	    } else {
		*color = sub { return "" };
	    }
	}
	my $line;
	for $line (split /\n/, $what) {
	    $longest = length($line) if length($line) > $longest;
	}
	my $sprintf = "%-" . $longest . "s";
	while ($what){
	    $what =~ s/(.*\n?)//m;
	    my $line = $1;
	    last unless $line;
	    my($nl) = chomp $line ? "\n" : "";
	    #	print "line[$line]ornament[$ornament]sprintf[$sprintf]\n";
	    print color($ornament), sprintf($sprintf,$line), color("reset"), $nl;
	}
    } else {
	print $what;
    }
}

sub myprint {
    my($self,$what) = @_;
    $self->print_ornamented($what, 'bold blue on_yellow');
}

sub myexit {
    my($self,$what) = @_;
    $self->myprint($what);
    exit;
}

sub mywarn {
    my($self,$what) = @_;
    $self->print_ornamented($what, 'bold red on_yellow');
}

sub myconfess {
    my($self,$what) = @_;
    $self->print_ornamented($what, 'bold red on_white');
    Carp::confess "died";
}

sub mydie {
    my($self,$what) = @_;
    $self->print_ornamented($what, 'bold red on_white');
    die "\n";
}

#-> sub CPAN::Shell::rematein ;
# RE-adme||MA-ke||TE-st||IN-stall
sub rematein {
    shift;
    my($meth,@some) = @_;
    my $pragma = "";
    if ($meth eq 'force') {
	$pragma = $meth;
	$meth = shift @some;
    }
    CPAN->debug("pragma[$pragma]meth[$meth] some[@some]") if $CPAN::DEBUG;
    my($s,@s);
    foreach $s (@some) {
      CPAN::Queue->new($s);
    }
    while ($s = CPAN::Queue->first) {
	my $obj;
	if (ref $s) {
	    $obj = $s;
	} elsif ($s =~ m|/|) { # looks like a file
	    $obj = $CPAN::META->instance('CPAN::Distribution',$s);
	} elsif ($s =~ m|^Bundle::|) {
	    $obj = $CPAN::META->instance('CPAN::Bundle',$s);
	} else {
	    $obj = $CPAN::META->instance('CPAN::Module',$s)
		if $CPAN::META->exists('CPAN::Module',$s);
	}
	if (ref $obj) {
	    CPAN->debug(
			qq{pragma[$pragma]meth[$meth]obj[$obj]as_string\[}.
			$obj->as_string.
			qq{\]}
		       ) if $CPAN::DEBUG;
	    $obj->$pragma()
		if
		    $pragma
			&&
		    ($] < 5.00303 || $obj->can($pragma)); ###
                                                          ### compatibility
                                                          ### with
                                                          ### 5.003
	    if ($]>=5.00303 && $obj->can('called_for')) {
	      $obj->called_for($s);
	    }
	    CPAN::Queue->delete($s) if $obj->$meth(); # if it is more
                                                      # than once in
                                                      # the queue
	} elsif ($CPAN::META->exists('CPAN::Author',$s)) {
	    $obj = $CPAN::META->instance('CPAN::Author',$s);
	    $CPAN::Frontend->myprint(
				     join "",
				     "Don't be silly, you can't $meth ",
				     $obj->fullname,
				     " ;-)\n"
				    );
	} else {
	    $CPAN::Frontend
		->myprint(qq{Warning: Cannot $meth $s, }.
			  qq{don\'t know what it is.
Try the command

    i /$s/

to find objects with similar identifiers.
});
	}
	CPAN::Queue->delete_first($s);
    }
}

#-> sub CPAN::Shell::force ;
sub force   { shift->rematein('force',@_); }
#-> sub CPAN::Shell::get ;
sub get     { shift->rematein('get',@_); }
#-> sub CPAN::Shell::readme ;
sub readme  { shift->rematein('readme',@_); }
#-> sub CPAN::Shell::make ;
sub make    { shift->rematein('make',@_); }
#-> sub CPAN::Shell::test ;
sub test    { shift->rematein('test',@_); }
#-> sub CPAN::Shell::install ;
sub install { shift->rematein('install',@_); }
#-> sub CPAN::Shell::clean ;
sub clean   { shift->rematein('clean',@_); }
#-> sub CPAN::Shell::look ;
sub look   { shift->rematein('look',@_); }

package CPAN::FTP;

#-> sub CPAN::FTP::ftp_get ;
sub ftp_get {
  my($class,$host,$dir,$file,$target) = @_;
  $class->debug(
		qq[Going to fetch file [$file] from dir [$dir]
	on host [$host] as local [$target]\n]
		      ) if $CPAN::DEBUG;
  my $ftp = Net::FTP->new($host);
  return 0 unless defined $ftp;
  $ftp->debug(1) if $CPAN::DEBUG{'FTP'} & $CPAN::DEBUG;
  $class->debug(qq[Going to ->login("anonymous","$Config::Config{'cf_email'}")\n]);
  unless ( $ftp->login("anonymous",$Config::Config{'cf_email'}) ){
    warn "Couldn't login on $host";
    return;
  }
  unless ( $ftp->cwd($dir) ){
    warn "Couldn't cwd $dir";
    return;
  }
  $ftp->binary;
  $class->debug(qq[Going to ->get("$file","$target")\n]) if $CPAN::DEBUG;
  unless ( $ftp->get($file,$target) ){
    warn "Couldn't fetch $file from $host\n";
    return;
  }
  $ftp->quit; # it's ok if this fails
  return 1;
}

# If more accuracy is wanted/needed, Chris Leach sent me this patch...

 # leach,> *** /install/perl/live/lib/CPAN.pm-	Wed Sep 24 13:08:48 1997
 # leach,> --- /tmp/cp	Wed Sep 24 13:26:40 1997
 # leach,> ***************
 # leach,> *** 1562,1567 ****
 # leach,> --- 1562,1580 ----
 # leach,>       return 1 if substr($url,0,4) eq "file";
 # leach,>       return 1 unless $url =~ m|://([^/]+)|;
 # leach,>       my $host = $1;
 # leach,> +     my $proxy = $CPAN::Config->{'http_proxy'} || $ENV{'http_proxy'};
 # leach,> +     if ($proxy) {
 # leach,> +         $proxy =~ m|://([^/:]+)|;
 # leach,> +         $proxy = $1;
 # leach,> +         my $noproxy = $CPAN::Config->{'no_proxy'} || $ENV{'no_proxy'};
 # leach,> +         if ($noproxy) {
 # leach,> +             if ($host !~ /$noproxy$/) {
 # leach,> +                 $host = $proxy;
 # leach,> +             }
 # leach,> +         } else {
 # leach,> +             $host = $proxy;
 # leach,> +         }
 # leach,> +     }
 # leach,>       require Net::Ping;
 # leach,>       return 1 unless $Net::Ping::VERSION >= 2;
 # leach,>       my $p;


# this is quite optimistic and returns one on several occasions where
# inappropriate. But this does no harm. It would do harm if we were
# too pessimistic (as I was before the http_proxy
sub is_reachable {
    my($self,$url) = @_;
    return 1; # we can't simply roll our own, firewalls may break ping
    return 0 unless $url;
    return 1 if substr($url,0,4) eq "file";
    return 1 unless $url =~ m|^(\w+)://([^/]+)|;
    my $proxytype = $1 . "_proxy"; # ftp_proxy or http_proxy
    my $host = $2;
    return 1 if $CPAN::Config->{$proxytype} || $ENV{$proxytype};
    require Net::Ping;
    return 1 unless $Net::Ping::VERSION >= 2;
    my $p;
    # 1.3101 had it different: only if the first eval raised an
    # exception we tried it with TCP. Now we are happy if icmp wins
    # the order and return, we don't even check for $@. Thanks to
    # thayer@uis.edu for the suggestion.
    eval {$p = Net::Ping->new("icmp");};
    return 1 if $p && ref($p) && $p->ping($host, 10);
    eval {$p = Net::Ping->new("tcp");};
    $CPAN::Frontend->mydie($@) if $@;
    return $p->ping($host, 10);
}

#-> sub CPAN::FTP::localize ;
# sorry for the ugly code here, I'll clean it up as soon as Net::FTP
# is in the core
sub localize {
    my($self,$file,$aslocal,$force) = @_;
    $force ||= 0;
    Carp::croak "Usage: ->localize(cpan_file,as_local_file[,$force])"
	unless defined $aslocal;
    $self->debug("file[$file] aslocal[$aslocal] force[$force]")
	if $CPAN::DEBUG;

    return $aslocal if -f $aslocal && -r _ && !($force & 1);
    my($restore) = 0;
    if (-f $aslocal){
	rename $aslocal, "$aslocal.bak";
	$restore++;
    }

    my($aslocal_dir) = File::Basename::dirname($aslocal);
    File::Path::mkpath($aslocal_dir);
    $CPAN::Frontend->mywarn(qq{Warning: You are not allowed to write into }.
	qq{directory "$aslocal_dir".
    I\'ll continue, but if you encounter problems, they may be due
    to insufficient permissions.\n}) unless -w $aslocal_dir;

    # Inheritance is not easier to manage than a few if/else branches
    if ($CPAN::META->has_inst('LWP')) {
	require LWP::UserAgent;
 	unless ($Ua) {
	    $Ua = LWP::UserAgent->new;
	    my($var);
	    $Ua->proxy('ftp',  $var)
		if $var = $CPAN::Config->{'ftp_proxy'} || $ENV{'ftp_proxy'};
	    $Ua->proxy('http', $var)
		if $var = $CPAN::Config->{'http_proxy'} || $ENV{'http_proxy'};
	    $Ua->no_proxy($var)
		if $var = $CPAN::Config->{'no_proxy'} || $ENV{'no_proxy'};
	}
    }

    # Try the list of urls for each single object. We keep a record
    # where we did get a file from
    my(@reordered,$last);
    $CPAN::Config->{urllist} ||= [];
    $last = $#{$CPAN::Config->{urllist}};
    if ($force & 2) { # local cpans probably out of date, don't reorder
	@reordered = (0..$last);
    } else {
	@reordered =
	    sort {
		(substr($CPAN::Config->{urllist}[$b],0,4) eq "file")
		    <=>
		(substr($CPAN::Config->{urllist}[$a],0,4) eq "file")
		    or
		defined($Thesite)
		    and
		($b == $Thesite)
		    <=>
		($a == $Thesite)
	    } 0..$last;
    }
    my($level,@levels);
    if ($Themethod) {
	@levels = ($Themethod, grep {$_ ne $Themethod} qw/easy hard hardest/);
    } else {
	@levels = qw/easy hard hardest/;
    }
    for $level (@levels) {
	my $method = "host$level";
	my @host_seq = $level eq "easy" ?
	    @reordered : 0..$last;  # reordered has CDROM up front
	@host_seq = (0) unless @host_seq;
	my $ret = $self->$method(\@host_seq,$file,$aslocal);
	if ($ret) {
	  $Themethod = $level;
	  $self->debug("level[$level]") if $CPAN::DEBUG;
	  return $ret;
	} else {
	  unlink $aslocal;
	}
    }
    my(@mess);
    push @mess,
    qq{Please check, if the URLs I found in your configuration file \(}.
	join(", ", @{$CPAN::Config->{urllist}}).
	    qq{\) are valid. The urllist can be edited.},
	    qq{E.g. with ``o conf urllist push ftp://myurl/''};
    $CPAN::Frontend->myprint(Text::Wrap::wrap("","",@mess). "\n\n");
    sleep 2;
    $CPAN::Frontend->myprint("Cannot fetch $file\n\n");
    if ($restore) {
	rename "$aslocal.bak", $aslocal;
	$CPAN::Frontend->myprint("Trying to get away with old file:\n" .
				 $self->ls($aslocal));
	return $aslocal;
    }
    return;
}

sub hosteasy {
    my($self,$host_seq,$file,$aslocal) = @_;
    my($i);
  HOSTEASY: for $i (@$host_seq) {
      my $url = $CPAN::Config->{urllist}[$i] || $CPAN::Defaultsite;
	unless ($self->is_reachable($url)) {
	    $CPAN::Frontend->myprint("Skipping $url (seems to be not reachable)\n");
	    sleep 2;
	    next;
	}
	$url .= "/" unless substr($url,-1) eq "/";
	$url .= $file;
	$self->debug("localizing perlish[$url]") if $CPAN::DEBUG;
	if ($url =~ /^file:/) {
	    my $l;
	    if ($CPAN::META->has_inst('LWP')) {
		require URI::URL;
		my $u =  URI::URL->new($url);
		$l = $u->path;
	    } else { # works only on Unix, is poorly constructed, but
		# hopefully better than nothing.
		# RFC 1738 says fileurl BNF is
		# fileurl = "file://" [ host | "localhost" ] "/" fpath
		# Thanks to "Mark D. Baushke" <mdb@cisco.com> for
		# the code
		($l = $url) =~ s,^file://[^/]+,,; # discard the host part
		$l =~ s/^file://;	# assume they meant file://localhost
	    }
	    if ( -f $l && -r _) {
		$Thesite = $i;
		return $l;
	    }
	    # Maybe mirror has compressed it?
	    if (-f "$l.gz") {
		$self->debug("found compressed $l.gz") if $CPAN::DEBUG;
		CPAN::Tarzip->gunzip("$l.gz", $aslocal);
		if ( -f $aslocal) {
		    $Thesite = $i;
		    return $aslocal;
		}
	    }
	}
      if ($CPAN::META->has_inst('LWP')) {
	  $CPAN::Frontend->myprint("Fetching with LWP:
  $url
");
	  unless ($Ua) {
	    require LWP::UserAgent;
	    $Ua = LWP::UserAgent->new;
	  }
	  my $res = $Ua->mirror($url, $aslocal);
	  if ($res->is_success) {
	    $Thesite = $i;
	    return $aslocal;
	  } elsif ($url !~ /\.gz$/) {
	    my $gzurl = "$url.gz";
	    $CPAN::Frontend->myprint("Fetching with LWP:
  $gzurl
");
	    $res = $Ua->mirror($gzurl, "$aslocal.gz");
	    if ($res->is_success &&
		CPAN::Tarzip->gunzip("$aslocal.gz",$aslocal)
	       ) {
	      $Thesite = $i;
	      return $aslocal;
	    } else {
	      # next HOSTEASY ;
	    }
	  } else {
	    # Alan Burlison informed me that in firewall envs Net::FTP
	    # can still succeed where LWP fails. So we do not skip
	    # Net::FTP anymore when LWP is available.
	    # next HOSTEASY ;
	  }
	} else {
	  $self->debug("LWP not installed") if $CPAN::DEBUG;
	}
	if ($url =~ m|^ftp://(.*?)/(.*)/(.*)|) {
	    # that's the nice and easy way thanks to Graham
	    my($host,$dir,$getfile) = ($1,$2,$3);
	    if ($CPAN::META->has_inst('Net::FTP')) {
		$dir =~ s|/+|/|g;
		$CPAN::Frontend->myprint("Fetching with Net::FTP:
  $url
");
		$self->debug("getfile[$getfile]dir[$dir]host[$host]" .
			     "aslocal[$aslocal]") if $CPAN::DEBUG;
		if (CPAN::FTP->ftp_get($host,$dir,$getfile,$aslocal)) {
		    $Thesite = $i;
		    return $aslocal;
		}
		if ($aslocal !~ /\.gz$/) {
		    my $gz = "$aslocal.gz";
		    $CPAN::Frontend->myprint("Fetching with Net::FTP
  $url.gz
");
		   if (CPAN::FTP->ftp_get($host,
					   $dir,
					   "$getfile.gz",
					   $gz) &&
			CPAN::Tarzip->gunzip($gz,$aslocal)
		       ){
			$Thesite = $i;
			return $aslocal;
		    }
		}
		# next HOSTEASY;
	    }
	}
    }
}

sub hosthard {
  my($self,$host_seq,$file,$aslocal) = @_;

  # Came back if Net::FTP couldn't establish connection (or
  # failed otherwise) Maybe they are behind a firewall, but they
  # gave us a socksified (or other) ftp program...

  my($i);
  my($devnull) = $CPAN::Config->{devnull} || "";
  # < /dev/null ";
  my($aslocal_dir) = File::Basename::dirname($aslocal);
  File::Path::mkpath($aslocal_dir);
  HOSTHARD: for $i (@$host_seq) {
	my $url = $CPAN::Config->{urllist}[$i] || $CPAN::Defaultsite;
	unless ($self->is_reachable($url)) {
	    $CPAN::Frontend->myprint("Skipping $url (not reachable)\n");
	    next;
	}
	$url .= "/" unless substr($url,-1) eq "/";
	$url .= $file;
	my($proto,$host,$dir,$getfile);

	# Courtesy Mark Conty mark_conty@cargill.com change from
	# if ($url =~ m|^ftp://(.*?)/(.*)/(.*)|) {
	# to
	if ($url =~ m|^([^:]+)://(.*?)/(.*)/(.*)|) {
	    # proto not yet used
	    ($proto,$host,$dir,$getfile) = ($1,$2,$3,$4);
	} else {
	    next HOSTHARD; # who said, we could ftp anything except ftp?
	}
	$self->debug("localizing funkyftpwise[$url]") if $CPAN::DEBUG;
	my($f,$funkyftp);
	for $f ('lynx','ncftpget','ncftp') {
	    next unless exists $CPAN::Config->{$f};
	    $funkyftp = $CPAN::Config->{$f};
	    next unless defined $funkyftp;
	    next if $funkyftp =~ /^\s*$/;
	    my($want_compressed);
	    my $aslocal_uncompressed;
	    ($aslocal_uncompressed = $aslocal) =~ s/\.gz//;
	    my($source_switch) = "";
	    $source_switch = " -source" if $funkyftp =~ /\blynx$/;
	    $source_switch = " -c" if $funkyftp =~ /\bncftp$/;
	    $CPAN::Frontend->myprint(
		  qq[
Trying with "$funkyftp$source_switch" to get
    $url
]);
	    my($system) = "$funkyftp$source_switch '$url' $devnull > ".
		"$aslocal_uncompressed";
	    $self->debug("system[$system]") if $CPAN::DEBUG;
	    my($wstatus);
	    if (($wstatus = system($system)) == 0
		&&
		-s $aslocal_uncompressed   # lynx returns 0 on my
                                           # system even if it fails
	       ) {
		if ($aslocal_uncompressed ne $aslocal) {
		  # test gzip integrity
		  if (
		      CPAN::Tarzip->gtest($aslocal_uncompressed)
		     ) {
		    rename $aslocal_uncompressed, $aslocal;
		  } else {
		    CPAN::Tarzip->gzip($aslocal_uncompressed,
				     "$aslocal_uncompressed.gz");
		  }
		}
		$Thesite = $i;
		return $aslocal;
	    } elsif ($url !~ /\.gz$/) {
	      unlink $aslocal_uncompressed if
		  -f $aslocal_uncompressed && -s _ == 0;
	      my $gz = "$aslocal.gz";
	      my $gzurl = "$url.gz";
	      $CPAN::Frontend->myprint(
		      qq[
Trying with "$funkyftp$source_switch" to get
  $url.gz
]);
	      my($system) = "$funkyftp$source_switch '$url.gz' $devnull > ".
		  "$aslocal_uncompressed.gz";
	      $self->debug("system[$system]") if $CPAN::DEBUG;
	      my($wstatus);
	      if (($wstatus = system($system)) == 0
		  &&
		  -s "$aslocal_uncompressed.gz"
		 ) {
		# test gzip integrity
		if (CPAN::Tarzip->gtest("$aslocal_uncompressed.gz")) {
		  CPAN::Tarzip->gunzip("$aslocal_uncompressed.gz",
				       $aslocal);
		} else {
		  rename $aslocal_uncompressed, $aslocal;
		}
		$Thesite = $i;
		return $aslocal;
	      } else {
		unlink "$aslocal_uncompressed.gz" if
		    -f "$aslocal_uncompressed.gz";
	      }
	    } else {
		my $estatus = $wstatus >> 8;
		my $size = -f $aslocal ? ", left\n$aslocal with size ".-s _ : "";
		$CPAN::Frontend->myprint(qq{
System call "$system"
returned status $estatus (wstat $wstatus)$size
});
	    }
	}
    }
}

sub hosthardest {
    my($self,$host_seq,$file,$aslocal) = @_;

    my($i);
    my($aslocal_dir) = File::Basename::dirname($aslocal);
    File::Path::mkpath($aslocal_dir);
  HOSTHARDEST: for $i (@$host_seq) {
	unless (length $CPAN::Config->{'ftp'}) {
	    $CPAN::Frontend->myprint("No external ftp command available\n\n");
	    last HOSTHARDEST;
	}
	my $url = $CPAN::Config->{urllist}[$i] || $CPAN::Defaultsite;
	unless ($self->is_reachable($url)) {
	    $CPAN::Frontend->myprint("Skipping $url (not reachable)\n");
	    next;
	}
	$url .= "/" unless substr($url,-1) eq "/";
	$url .= $file;
	$self->debug("localizing ftpwise[$url]") if $CPAN::DEBUG;
	unless ($url =~ m|^ftp://(.*?)/(.*)/(.*)|) {
	    next;
	}
	my($host,$dir,$getfile) = ($1,$2,$3);
	my($netrcfile,$fh);
	my $timestamp = 0;
	my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,
	   $ctime,$blksize,$blocks) = stat($aslocal);
	$timestamp = $mtime ||= 0;
	my($netrc) = CPAN::FTP::netrc->new;
	my($verbose) = $CPAN::DEBUG{'FTP'} & $CPAN::DEBUG ? " -v" : "";
	my $targetfile = File::Basename::basename($aslocal);
	my(@dialog);
	push(
	     @dialog,
	     "lcd $aslocal_dir",
	     "cd /",
	     map("cd $_", split "/", $dir), # RFC 1738
	     "bin",
	     "get $getfile $targetfile",
	     "quit"
	    );
	if (! $netrc->netrc) {
	    CPAN->debug("No ~/.netrc file found") if $CPAN::DEBUG;
	} elsif ($netrc->hasdefault || $netrc->contains($host)) {
	    CPAN->debug(sprintf("hasdef[%d]cont($host)[%d]",
				$netrc->hasdefault,
				$netrc->contains($host))) if $CPAN::DEBUG;
	    if ($netrc->protected) {
		$CPAN::Frontend->myprint(qq{
  Trying with external ftp to get
    $url
  As this requires some features that are not thoroughly tested, we\'re
  not sure, that we get it right....

}
		     );
		$self->talk_ftp("$CPAN::Config->{'ftp'}$verbose $host",
				@dialog);
		($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
		 $atime,$mtime,$ctime,$blksize,$blocks) = stat($aslocal);
		$mtime ||= 0;
		if ($mtime > $timestamp) {
		    $CPAN::Frontend->myprint("GOT $aslocal\n");
		    $Thesite = $i;
		    return $aslocal;
		} else {
		    $CPAN::Frontend->myprint("Hmm... Still failed!\n");
		}
	    } else {
		$CPAN::Frontend->mywarn(qq{Your $netrcfile is not }.
					qq{correctly protected.\n});
	    }
	} else {
	    $CPAN::Frontend->mywarn("Your ~/.netrc neither contains $host
  nor does it have a default entry\n");
	}
	
	# OK, they don't have a valid ~/.netrc. Use 'ftp -n'
	# then and login manually to host, using e-mail as
	# password.
	$CPAN::Frontend->myprint(qq{Issuing "$CPAN::Config->{'ftp'}$verbose -n"\n});
	unshift(
		@dialog,
		"open $host",
		"user anonymous $Config::Config{'cf_email'}"
	       );
	$self->talk_ftp("$CPAN::Config->{'ftp'}$verbose -n", @dialog);
	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
	 $atime,$mtime,$ctime,$blksize,$blocks) = stat($aslocal);
	$mtime ||= 0;
	if ($mtime > $timestamp) {
	    $CPAN::Frontend->myprint("GOT $aslocal\n");
	    $Thesite = $i;
	    return $aslocal;
	} else {
	    $CPAN::Frontend->myprint("Bad luck... Still failed!\n");
	}
	$CPAN::Frontend->myprint("Can't access URL $url.\n\n");
	sleep 2;
    }
}

sub talk_ftp {
    my($self,$command,@dialog) = @_;
    my $fh = FileHandle->new;
    $fh->open("|$command") or die "Couldn't open ftp: $!";
    foreach (@dialog) { $fh->print("$_\n") }
    $fh->close;		# Wait for process to complete
    my $wstatus = $?;
    my $estatus = $wstatus >> 8;
    $CPAN::Frontend->myprint(qq{
Subprocess "|$command"
  returned status $estatus (wstat $wstatus)
}) if $wstatus;
}

# find2perl needs modularization, too, all the following is stolen
# from there
# CPAN::FTP::ls
sub ls {
    my($self,$name) = @_;
    my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
     $atime,$mtime,$ctime,$blksize,$blocks) = lstat($name);

    my($perms,%user,%group);
    my $pname = $name;

    if ($blocks) {
	$blocks = int(($blocks + 1) / 2);
    }
    else {
	$blocks = int(($sizemm + 1023) / 1024);
    }

    if    (-f _) { $perms = '-'; }
    elsif (-d _) { $perms = 'd'; }
    elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
    elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
    elsif (-p _) { $perms = 'p'; }
    elsif (-S _) { $perms = 's'; }
    else         { $perms = 'l'; $pname .= ' -> ' . readlink($_); }

    my(@rwx) = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
    my(@moname) = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
    my $tmpmode = $mode;
    my $tmp = $rwx[$tmpmode & 7];
    $tmpmode >>= 3;
    $tmp = $rwx[$tmpmode & 7] . $tmp;
    $tmpmode >>= 3;
    $tmp = $rwx[$tmpmode & 7] . $tmp;
    substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
    substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
    substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
    $perms .= $tmp;

    my $user = $user{$uid} || $uid;   # too lazy to implement lookup
    my $group = $group{$gid} || $gid;

    my($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
    my($timeyear);
    my($moname) = $moname[$mon];
    if (-M _ > 365.25 / 2) {
	$timeyear = $year + 1900;
    }
    else {
	$timeyear = sprintf("%02d:%02d", $hour, $min);
    }

    sprintf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	    $ino,
		 $blocks,
		      $perms,
			    $nlink,
				$user,
				     $group,
					  $sizemm,
					      $moname,
						 $mday,
						     $timeyear,
							 $pname;
}

package CPAN::FTP::netrc;

sub new {
    my($class) = @_;
    my $file = MM->catfile($ENV{HOME},".netrc");

    my($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
       $atime,$mtime,$ctime,$blksize,$blocks)
	= stat($file);
    $mode ||= 0;
    my $protected = 0;

    my($fh,@machines,$hasdefault);
    $hasdefault = 0;
    $fh = FileHandle->new or die "Could not create a filehandle";

    if($fh->open($file)){
	$protected = ($mode & 077) == 0;
	local($/) = "";
      NETRC: while (<$fh>) {
	    my(@tokens) = split " ", $_;
	  TOKEN: while (@tokens) {
		my($t) = shift @tokens;
		if ($t eq "default"){
		    $hasdefault++;
		    last NETRC;
		}
		last TOKEN if $t eq "macdef";
		if ($t eq "machine") {
		    push @machines, shift @tokens;
		}
	    }
	}
    } else {
	$file = $hasdefault = $protected = "";
    }

    bless {
	   'mach' => [@machines],
	   'netrc' => $file,
	   'hasdefault' => $hasdefault,
	   'protected' => $protected,
	  }, $class;
}

sub hasdefault { shift->{'hasdefault'} }
sub netrc      { shift->{'netrc'}      }
sub protected  { shift->{'protected'}  }
sub contains {
    my($self,$mach) = @_;
    for ( @{$self->{'mach'}} ) {
	return 1 if $_ eq $mach;
    }
    return 0;
}

package CPAN::Complete;

#-> sub CPAN::Complete::cpl ;
sub cpl {
    my($word,$line,$pos) = @_;
    $word ||= "";
    $line ||= "";
    $pos ||= 0;
    CPAN->debug("word [$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
    $line =~ s/^\s*//;
    if ($line =~ s/^(force\s*)//) {
	$pos -= length($1);
    }
    my @return;
    if ($pos == 0) {
	@return = grep(
		       /^$word/,
		       sort qw(
			       ! a b d h i m o q r u autobundle clean
			       make test install force reload look
			      )
		      );
    } elsif ( $line !~ /^[\!abdhimorutl]/ ) {
	@return = ();
    } elsif ($line =~ /^a\s/) {
	@return = cplx('CPAN::Author',$word);
    } elsif ($line =~ /^b\s/) {
	@return = cplx('CPAN::Bundle',$word);
    } elsif ($line =~ /^d\s/) {
	@return = cplx('CPAN::Distribution',$word);
    } elsif ($line =~ /^([mru]|make|clean|test|install|readme|look)\s/ ) {
	@return = (cplx('CPAN::Module',$word),cplx('CPAN::Bundle',$word));
    } elsif ($line =~ /^i\s/) {
	@return = cpl_any($word);
    } elsif ($line =~ /^reload\s/) {
	@return = cpl_reload($word,$line,$pos);
    } elsif ($line =~ /^o\s/) {
	@return = cpl_option($word,$line,$pos);
    } else {
	@return = ();
    }
    return @return;
}

#-> sub CPAN::Complete::cplx ;
sub cplx {
    my($class, $word) = @_;
    grep /^\Q$word\E/, map { $_->id } $CPAN::META->all($class);
}

#-> sub CPAN::Complete::cpl_any ;
sub cpl_any {
    my($word) = shift;
    return (
	    cplx('CPAN::Author',$word),
	    cplx('CPAN::Bundle',$word),
	    cplx('CPAN::Distribution',$word),
	    cplx('CPAN::Module',$word),
	   );
}

#-> sub CPAN::Complete::cpl_reload ;
sub cpl_reload {
    my($word,$line,$pos) = @_;
    $word ||= "";
    my(@words) = split " ", $line;
    CPAN->debug("word[$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
    my(@ok) = qw(cpan index);
    return @ok if @words == 1;
    return grep /^\Q$word\E/, @ok if @words == 2 && $word;
}

#-> sub CPAN::Complete::cpl_option ;
sub cpl_option {
    my($word,$line,$pos) = @_;
    $word ||= "";
    my(@words) = split " ", $line;
    CPAN->debug("word[$word] line[$line] pos[$pos]") if $CPAN::DEBUG;
    my(@ok) = qw(conf debug);
    return @ok if @words == 1;
    return grep /^\Q$word\E/, @ok if @words == 2 && length($word);
    if (0) {
    } elsif ($words[1] eq 'index') {
	return ();
    } elsif ($words[1] eq 'conf') {
	return CPAN::Config::cpl(@_);
    } elsif ($words[1] eq 'debug') {
	return sort grep /^\Q$word\E/, sort keys %CPAN::DEBUG, 'all';
    }
}

package CPAN::Index;

#-> sub CPAN::Index::force_reload ;
sub force_reload {
    my($class) = @_;
    $CPAN::Index::last_time = 0;
    $class->reload(1);
}

#-> sub CPAN::Index::reload ;
sub reload {
    my($cl,$force) = @_;
    my $time = time;

    # XXX check if a newer one is available. (We currently read it
    # from time to time)
    for ($CPAN::Config->{index_expire}) {
	$_ = 0.001 unless $_ > 0.001;
    }
    return if $last_time + $CPAN::Config->{index_expire}*86400 > $time
	and ! $force;
    my($debug,$t2);
    $last_time = $time;

    my $needshort = $^O eq "dos";

    $cl->rd_authindex($cl->reload_x(
				    "authors/01mailrc.txt.gz",
				    $needshort ? "01mailrc.gz" : "",
				    $force));
    $t2 = time;
    $debug = "timing reading 01[".($t2 - $time)."]";
    $time = $t2;
    return if $CPAN::Signal; # this is sometimes lengthy
    $cl->rd_modpacks($cl->reload_x(
				   "modules/02packages.details.txt.gz",
				   $needshort ? "02packag.gz" : "",
				   $force));
    $t2 = time;
    $debug .= "02[".($t2 - $time)."]";
    $time = $t2;
    return if $CPAN::Signal; # this is sometimes lengthy
    $cl->rd_modlist($cl->reload_x(
				  "modules/03modlist.data.gz",
				  $needshort ? "03mlist.gz" : "",
				  $force));
    $t2 = time;
    $debug .= "03[".($t2 - $time)."]";
    $time = $t2;
    CPAN->debug($debug) if $CPAN::DEBUG;
}

#-> sub CPAN::Index::reload_x ;
sub reload_x {
    my($cl,$wanted,$localname,$force) = @_;
    $force |= 2; # means we're dealing with an index here
    CPAN::Config->load; # we should guarantee loading wherever we rely
                        # on Config XXX
    $localname ||= $wanted;
    my $abs_wanted = MM->catfile($CPAN::Config->{'keep_source_where'},
				   $localname);
    if (
	-f $abs_wanted &&
	-M $abs_wanted < $CPAN::Config->{'index_expire'} &&
	!($force & 1)
       ) {
	my $s = $CPAN::Config->{'index_expire'} == 1 ? "" : "s";
	$cl->debug(qq{$abs_wanted younger than $CPAN::Config->{'index_expire'} }.
		   qq{day$s. I\'ll use that.});
	return $abs_wanted;
    } else {
	$force |= 1; # means we're quite serious about it.
    }
    return CPAN::FTP->localize($wanted,$abs_wanted,$force);
}

#-> sub CPAN::Index::rd_authindex ;
sub rd_authindex {
    my($cl,$index_target) = @_;
    return unless defined $index_target;
    $CPAN::Frontend->myprint("Going to read $index_target\n");
#    my $fh = CPAN::Tarzip->TIEHANDLE($index_target);
#    while ($_ = $fh->READLINE) {
    # no strict 'refs';
    local(*FH);
    tie *FH, CPAN::Tarzip, $index_target;
    local($/) = "\n";
    while (<FH>) {
	chomp;
	my($userid,$fullname,$email) =
	    m/alias\s+(\S+)\s+\"([^\"\<]+)\s+\<([^\>]+)\>\"/;
	next unless $userid && $fullname && $email;

	# instantiate an author object
 	my $userobj = $CPAN::META->instance('CPAN::Author',$userid);
	$userobj->set('FULLNAME' => $fullname, 'EMAIL' => $email);
	return if $CPAN::Signal;
    }
}

sub userid {
  my($self,$dist) = @_;
  $dist = $self->{'id'} unless defined $dist;
  my($ret) = $dist =~ m|(?:\w/\w\w/)?([^/]+)/|;
  $ret;
}

#-> sub CPAN::Index::rd_modpacks ;
sub rd_modpacks {
    my($cl,$index_target) = @_;
    return unless defined $index_target;
    $CPAN::Frontend->myprint("Going to read $index_target\n");
    my $fh = CPAN::Tarzip->TIEHANDLE($index_target);
    local($/) = "\n";
    while ($_ = $fh->READLINE) {
	last if /^\s*$/;
    }
    while ($_ = $fh->READLINE) {
	chomp;
	my($mod,$version,$dist) = split;
###	$version =~ s/^\+//;

	# if it is a bundle, instatiate a bundle object
	my($bundle,$id,$userid);

	if ($mod eq 'CPAN' &&
	    ! (
	       CPAN::Queue->exists('Bundle::CPAN') ||
	       CPAN::Queue->exists('CPAN')
	      )
	   ) {
	    local($^W)= 0;
	    if ($version > $CPAN::VERSION){
		$CPAN::Frontend->myprint(qq{
  There\'s a new CPAN.pm version (v$version) available!
  You might want to try
    install Bundle::CPAN
    reload cpan
  without quitting the current session. It should be a seamless upgrade
  while we are running...
});
		sleep 2;
		$CPAN::Frontend->myprint(qq{\n});
	    }
	    last if $CPAN::Signal;
	} elsif ($mod =~ /^Bundle::(.*)/) {
	    $bundle = $1;
	}

	if ($bundle){
	    $id =  $CPAN::META->instance('CPAN::Bundle',$mod);
	    # warn "made mod[$mod]a bundle";
	    # Let's make it a module too, because bundles have so much
	    # in common with modules
	    $CPAN::META->instance('CPAN::Module',$mod);
	    # warn "made mod[$mod]a module";

# This "next" makes us faster but if the job is running long, we ignore
# rereads which is bad. So we have to be a bit slower again.
#	} elsif ($CPAN::META->exists('CPAN::Module',$mod)) {
#	    next;

	}
	else {
	    # instantiate a module object
	    $id = $CPAN::META->instance('CPAN::Module',$mod);
	}

	if ($id->cpan_file ne $dist){
	    $userid = $cl->userid($dist);
	    $id->set(
		     'CPAN_USERID' => $userid,
		     'CPAN_VERSION' => $version,
		     'CPAN_FILE' => $dist
		    );
	}

	# instantiate a distribution object
	unless ($CPAN::META->exists('CPAN::Distribution',$dist)) {
	    $CPAN::META->instance(
				  'CPAN::Distribution' => $dist
				 )->set(
					'CPAN_USERID' => $userid
				       );
	}

	return if $CPAN::Signal;
    }
    undef $fh;
}

#-> sub CPAN::Index::rd_modlist ;
sub rd_modlist {
    my($cl,$index_target) = @_;
    return unless defined $index_target;
    $CPAN::Frontend->myprint("Going to read $index_target\n");
    my $fh = CPAN::Tarzip->TIEHANDLE($index_target);
    my @eval;
    local($/) = "\n";
    while ($_ = $fh->READLINE) {
	if (/^Date:\s+(.*)/){
	    return if $date_of_03 eq $1;
	    ($date_of_03) = $1;
	}
	last if /^\s*$/;
    }
    push @eval, $_ while $_ = $fh->READLINE;
    undef $fh;
    push @eval, q{CPAN::Modulelist->data;};
    local($^W) = 0;
    my($comp) = Safe->new("CPAN::Safe1");
    my($eval) = join("", @eval);
    my $ret = $comp->reval($eval);
    Carp::confess($@) if $@;
    return if $CPAN::Signal;
    for (keys %$ret) {
	my $obj = $CPAN::META->instance(CPAN::Module,$_);
	$obj->set(%{$ret->{$_}});
	return if $CPAN::Signal;
    }
}

package CPAN::InfoObj;

#-> sub CPAN::InfoObj::new ;
sub new { my $this = bless {}, shift; %$this = @_; $this }

#-> sub CPAN::InfoObj::set ;
sub set {
    my($self,%att) = @_;
    my(%oldatt) = %$self;
    %$self = (%oldatt, %att);
}

#-> sub CPAN::InfoObj::id ;
sub id { shift->{'ID'} }

#-> sub CPAN::InfoObj::as_glimpse ;
sub as_glimpse {
    my($self) = @_;
    my(@m);
    my $class = ref($self);
    $class =~ s/^CPAN:://;
    push @m, sprintf "%-15s %s\n", $class, $self->{ID};
    join "", @m;
}

#-> sub CPAN::InfoObj::as_string ;
sub as_string {
    my($self) = @_;
    my(@m);
    my $class = ref($self);
    $class =~ s/^CPAN:://;
    push @m, $class, " id = $self->{ID}\n";
    for (sort keys %$self) {
	next if $_ eq 'ID';
	my $extra = "";
	if ($_ eq "CPAN_USERID") {
	  $extra .= " (".$self->author;
	  my $email; # old perls!
	  if ($email = $CPAN::META->instance(CPAN::Author,
						$self->{$_}
					       )->email) {
	    $extra .= " <$email>";
	  } else {
	    $extra .= " <no email>";
	  }
	  $extra .= ")";
	}
	if (ref($self->{$_}) eq "ARRAY") { # language interface? XXX
	    push @m, sprintf "    %-12s %s%s\n", $_, "@{$self->{$_}}", $extra;
	} else {
	    push @m, sprintf "    %-12s %s%s\n", $_, $self->{$_}, $extra;
	}
    }
    join "", @m, "\n";
}

#-> sub CPAN::InfoObj::author ;
sub author {
    my($self) = @_;
    $CPAN::META->instance(CPAN::Author,$self->{CPAN_USERID})->fullname;
}

package CPAN::Author;

#-> sub CPAN::Author::as_glimpse ;
sub as_glimpse {
    my($self) = @_;
    my(@m);
    my $class = ref($self);
    $class =~ s/^CPAN:://;
    push @m, sprintf "%-15s %s (%s)\n", $class, $self->{ID}, $self->fullname;
    join "", @m;
}

# Dead code, I would have liked to have,,, but it was never reached,,,
#sub make {
#    my($self) = @_;
#    return "Don't be silly, you can't make $self->{FULLNAME} ;-)\n";
#}

#-> sub CPAN::Author::fullname ;
sub fullname { shift->{'FULLNAME'} }
*name = \&fullname;
#-> sub CPAN::Author::email ;
sub email    { shift->{'EMAIL'} }

package CPAN::Distribution;

#-> sub CPAN::Distribution::called_for ;
sub called_for {
    my($self,$id) = @_;
    $self->{'CALLED_FOR'} = $id if defined $id;
    return $self->{'CALLED_FOR'};
}

#-> sub CPAN::Distribution::get ;
sub get {
    my($self) = @_;
  EXCUSE: {
	my @e;
	exists $self->{'build_dir'} and push @e,
	    "Unwrapped into directory $self->{'build_dir'}";
	$CPAN::Frontend->myprint(join "", map {"  $_\n"} @e) and return if @e;
    }
    my($local_file);
    my($local_wanted) =
	 MM->catfile(
			$CPAN::Config->{keep_source_where},
			"authors",
			"id",
			split("/",$self->{ID})
		       );

    $self->debug("Doing localize") if $CPAN::DEBUG;
    $local_file =
	CPAN::FTP->localize("authors/id/$self->{ID}", $local_wanted)
	    or $CPAN::Frontend->mydie("Giving up on '$local_wanted'\n");
    $self->{localfile} = $local_file;
    my $builddir = $CPAN::META->{cachemgr}->dir;
    $self->debug("doing chdir $builddir") if $CPAN::DEBUG;
    chdir $builddir or Carp::croak("Couldn't chdir $builddir: $!");
    my $packagedir;

    $self->debug("local_file[$local_file]") if $CPAN::DEBUG;
    if ($CPAN::META->has_inst('MD5')) {
	$self->debug("MD5 is installed, verifying");
	$self->verifyMD5;
    } else {
	$self->debug("MD5 is NOT installed");
    }
    $self->debug("Removing tmp") if $CPAN::DEBUG;
    File::Path::rmtree("tmp");
    mkdir "tmp", 0755 or Carp::croak "Couldn't mkdir tmp: $!";
    chdir "tmp";
    $self->debug("Changed directory to tmp") if $CPAN::DEBUG;
    if (! $local_file) {
	Carp::croak "bad download, can't do anything :-(\n";
    } elsif ($local_file =~ /(\.tar\.(gz|Z)|\.tgz)$/i){
	$self->untar_me($local_file);
    } elsif ( $local_file =~ /\.zip$/i ) {
	$self->unzip_me($local_file);
    } elsif ( $local_file =~ /\.pm\.(gz|Z)$/) {
	$self->pm2dir_me($local_file);
    } else {
	$self->{archived} = "NO";
    }
    chdir "..";
    if ($self->{archived} ne 'NO') {
	chdir "tmp";
	# Let's check if the package has its own directory.
	my $dh = DirHandle->new(".") or Carp::croak("Couldn't opendir .: $!");
	my @readdir = grep $_ !~ /^\.\.?$/, $dh->read; ### MAC??
	$dh->close;
	my ($distdir,$packagedir);
	if (@readdir == 1 && -d $readdir[0]) {
	    $distdir = $readdir[0];
	    $packagedir = MM->catdir($builddir,$distdir);
	    -d $packagedir and $CPAN::Frontend->myprint("Removing previously used $packagedir\n");
	    File::Path::rmtree($packagedir);
	    rename($distdir,$packagedir) or Carp::confess("Couldn't rename $distdir to $packagedir: $!");
	} else {
	    my $pragmatic_dir = $self->{'CPAN_USERID'} . '000';
	    $pragmatic_dir =~ s/\W_//g;
	    $pragmatic_dir++ while -d "../$pragmatic_dir";
	    $packagedir = MM->catdir($builddir,$pragmatic_dir);
	    File::Path::mkpath($packagedir);
	    my($f);
	    for $f (@readdir) { # is already without "." and ".."
		my $to = MM->catdir($packagedir,$f);
		rename($f,$to) or Carp::confess("Couldn't rename $f to $to: $!");
	    }
	}
	$self->{'build_dir'} = $packagedir;
	chdir "..";

	$self->debug("Changed directory to .. (self is $self [".$self->as_string."])")
	    if $CPAN::DEBUG;
	File::Path::rmtree("tmp");
	if ($CPAN::Config->{keep_source_where} =~ /^no/i ){
	    $CPAN::Frontend->myprint("Going to unlink $local_file\n");
	    unlink $local_file or Carp::carp "Couldn't unlink $local_file";
	}
	my($makefilepl) = MM->catfile($packagedir,"Makefile.PL");
	unless (-f $makefilepl) {
	  my($configure) = MM->catfile($packagedir,"Configure");
	  if (-f $configure) {
	    # do we have anything to do?
	    $self->{'configure'} = $configure;
	  } elsif (-f MM->catfile($packagedir,"Makefile")) {
	    $CPAN::Frontend->myprint(qq{
Package comes with a Makefile and without a Makefile.PL.
We\'ll try to build it with that Makefile then.
});
	    $self->{writemakefile} = "YES";
	    sleep 2;
	  } else {
	    my $fh = FileHandle->new(">$makefilepl")
		or Carp::croak("Could not open >$makefilepl");
	    my $cf = $self->called_for || "unknown";
	    $fh->print(
qq{# This Makefile.PL has been autogenerated by the module CPAN.pm
# because there was no Makefile.PL supplied.
# Autogenerated on: }.scalar localtime().qq{

use ExtUtils::MakeMaker;
WriteMakefile(NAME => q[$cf]);

});
	    $CPAN::Frontend->myprint(qq{Package comes without Makefile.PL.
  Writing one on our own (calling it $cf)\n});
	    }
	}
    }
    return $self;
}

sub untar_me {
    my($self,$local_file) = @_;
    $self->{archived} = "tar";
    if (CPAN::Tarzip->untar($local_file)) {
	$self->{unwrapped} = "YES";
    } else {
	$self->{unwrapped} = "NO";
    }
}

sub unzip_me {
    my($self,$local_file) = @_;
    $self->{archived} = "zip";
    my $system = "$CPAN::Config->{unzip} $local_file";
    if (system($system) == 0) {
	$self->{unwrapped} = "YES";
    } else {
	$self->{unwrapped} = "NO";
    }
}

sub pm2dir_me {
    my($self,$local_file) = @_;
    $self->{archived} = "pm";
    my $to = File::Basename::basename($local_file);
    $to =~ s/\.(gz|Z)$//;
    if (CPAN::Tarzip->gunzip($local_file,$to)) {
	$self->{unwrapped} = "YES";
    } else {
	$self->{unwrapped} = "NO";
    }
}

#-> sub CPAN::Distribution::new ;
sub new {
    my($class,%att) = @_;

    $CPAN::META->{cachemgr} ||= CPAN::CacheMgr->new();

    my $this = { %att };
    return bless $this, $class;
}

#-> sub CPAN::Distribution::look ;
sub look {
    my($self) = @_;
    if (  $CPAN::Config->{'shell'} ) {
	$CPAN::Frontend->myprint(qq{
Trying to open a subshell in the build directory...
});
    } else {
	$CPAN::Frontend->myprint(qq{
Your configuration does not define a value for subshells.
Please define it with "o conf shell <your shell>"
});
	return;
    }
    my $dist = $self->id;
    my $dir  = $self->dir or $self->get;
    $dir = $self->dir;
    my $getcwd;
    $getcwd = $CPAN::Config->{'getcwd'} || 'cwd';
    my $pwd  = CPAN->$getcwd();
    chdir($dir);
    $CPAN::Frontend->myprint(qq{Working directory is $dir\n});
    system($CPAN::Config->{'shell'}) == 0
	or $CPAN::Frontend->mydie("Subprocess shell error");
    chdir($pwd);
}

#-> sub CPAN::Distribution::readme ;
sub readme {
    my($self) = @_;
    my($dist) = $self->id;
    my($sans,$suffix) = $dist =~ /(.+)\.(tgz|tar[\._-]gz|tar\.Z|zip)$/;
    $self->debug("sans[$sans] suffix[$suffix]\n") if $CPAN::DEBUG;
    my($local_file);
    my($local_wanted) =
	 MM->catfile(
			$CPAN::Config->{keep_source_where},
			"authors",
			"id",
			split("/","$sans.readme"),
		       );
    $self->debug("Doing localize") if $CPAN::DEBUG;
    $local_file = CPAN::FTP->localize("authors/id/$sans.readme",
				      $local_wanted)
	or $CPAN::Frontend->mydie(qq{No $sans.readme found});;
    my $fh_pager = FileHandle->new;
    local($SIG{PIPE}) = "IGNORE";
    $fh_pager->open("|$CPAN::Config->{'pager'}")
	or die "Could not open pager $CPAN::Config->{'pager'}: $!";
    my $fh_readme = FileHandle->new;
    $fh_readme->open($local_file)
	or $CPAN::Frontend->mydie(qq{Could not open "$local_file": $!});
    $CPAN::Frontend->myprint(qq{
Displaying file
  $local_file
with pager "$CPAN::Config->{'pager'}"
});
    sleep 2;
    $fh_pager->print(<$fh_readme>);
}

#-> sub CPAN::Distribution::verifyMD5 ;
sub verifyMD5 {
    my($self) = @_;
  EXCUSE: {
	my @e;
	$self->{MD5_STATUS} ||= "";
	$self->{MD5_STATUS} eq "OK" and push @e, "MD5 Checksum was ok";
	$CPAN::Frontend->myprint(join "", map {"  $_\n"} @e) and return if @e;
    }
    my($lc_want,$lc_file,@local,$basename);
    @local = split("/",$self->{ID});
    pop @local;
    push @local, "CHECKSUMS";
    $lc_want =
	MM->catfile($CPAN::Config->{keep_source_where},
		      "authors", "id", @local);
    local($") = "/";
    if (
	-s $lc_want
	&&
	$self->MD5_check_file($lc_want)
       ) {
	return $self->{MD5_STATUS} = "OK";
    }
    $lc_file = CPAN::FTP->localize("authors/id/@local",
				   $lc_want,1);
    unless ($lc_file) {
	$local[-1] .= ".gz";
	$lc_file = CPAN::FTP->localize("authors/id/@local",
				       "$lc_want.gz",1);
	if ($lc_file) {
	    $lc_file =~ s/\.gz$//;
	    CPAN::Tarzip->gunzip("$lc_file.gz",$lc_file);
	} else {
	    return;
	}
    }
    $self->MD5_check_file($lc_file);
}

#-> sub CPAN::Distribution::MD5_check_file ;
sub MD5_check_file {
    my($self,$chk_file) = @_;
    my($cksum,$file,$basename);
    $file = $self->{localfile};
    $basename = File::Basename::basename($file);
    my $fh = FileHandle->new;
    if (open $fh, $chk_file){
	local($/);
	my $eval = <$fh>;
	close $fh;
	my($comp) = Safe->new();
	$cksum = $comp->reval($eval);
	if ($@) {
	    rename $chk_file, "$chk_file.bad";
	    Carp::confess($@) if $@;
	}
    } else {
	Carp::carp "Could not open $chk_file for reading";
    }

    if (exists $cksum->{$basename}{md5}) {
	$self->debug("Found checksum for $basename:" .
		     "$cksum->{$basename}{md5}\n") if $CPAN::DEBUG;

	open($fh, $file);
	binmode $fh;
	my $eq = $self->eq_MD5($fh,$cksum->{$basename}{'md5'});
	$fh->close;
	$fh = CPAN::Tarzip->TIEHANDLE($file);

	unless ($eq) {
	  # had to inline it, when I tied it, the tiedness got lost on
	  # the call to eq_MD5. (Jan 1998)
	  my $md5 = MD5->new;
	  my($data,$ref);
	  $ref = \$data;
	  while ($fh->READ($ref, 4096)){
	    $md5->add($data);
	  }
	  my $hexdigest = $md5->hexdigest;
	  $eq += $hexdigest eq $cksum->{$basename}{'md5-ungz'};
	}

	if ($eq) {
	  $CPAN::Frontend->myprint("Checksum for $file ok\n");
	  return $self->{MD5_STATUS} = "OK";
	} else {
	    $CPAN::Frontend->myprint(qq{Checksum mismatch for }.
				     qq{distribution file. }.
				     qq{Please investigate.\n\n}.
				     $self->as_string,
				     $CPAN::META->instance(
							   'CPAN::Author',
							   $self->{CPAN_USERID}
							  )->as_string);
	    my $wrap = qq{I\'d recommend removing $file. It seems to
be a bogus file. Maybe you have configured your \`urllist\' with a
bad URL. Please check this array with \`o conf urllist\', and
retry.};
	    $CPAN::Frontend->myprint(Text::Wrap::wrap("","",$wrap));
	    $CPAN::Frontend->myprint("\n\n");
	    sleep 3;
	    return;
	}
	# close $fh if fileno($fh);
    } else {
	$self->{MD5_STATUS} ||= "";
	if ($self->{MD5_STATUS} eq "NIL") {
	    $CPAN::Frontend->myprint(qq{
No md5 checksum for $basename in local $chk_file.
Removing $chk_file
});
	    unlink $chk_file or $CPAN::Frontend->myprint("Could not unlink: $!");
	    sleep 1;
	}
	$self->{MD5_STATUS} = "NIL";
	return;
    }
}

#-> sub CPAN::Distribution::eq_MD5 ;
sub eq_MD5 {
    my($self,$fh,$expectMD5) = @_;
    my $md5 = MD5->new;
    my($data);
    while (read($fh, $data, 4096)){
      $md5->add($data);
    }
    # $md5->addfile($fh);
    my $hexdigest = $md5->hexdigest;
    # warn "fh[$fh] hex[$hexdigest] aexp[$expectMD5]";
    $hexdigest eq $expectMD5;
}

#-> sub CPAN::Distribution::force ;
sub force {
  my($self) = @_;
  $self->{'force_update'}++;
  for my $att (qw(
  MD5_STATUS archived build_dir localfile make install unwrapped
  writemakefile have_sponsored
 )) {
    delete $self->{$att};
  }
}

sub isa_perl {
  my($self) = @_;
  my $file = File::Basename::basename($self->id);
  return unless $file =~ m{ ^ perl
			    (5)
			    ([._-])
			    (\d{3}(_[0-4][0-9])?)
			    \.tar[._-]gz
			    $
			  }x;
  "$1.$3";
}

#-> sub CPAN::Distribution::perl ;
sub perl {
    my($self) = @_;
    my($perl) = MM->file_name_is_absolute($^X) ? $^X : "";
    my $getcwd = $CPAN::Config->{'getcwd'} || 'cwd';
    my $pwd  = CPAN->$getcwd();
    my $candidate = MM->catfile($pwd,$^X);
    $perl ||= $candidate if MM->maybe_command($candidate);
    unless ($perl) {
	my ($component,$perl_name);
      DIST_PERLNAME: foreach $perl_name ($^X, 'perl', 'perl5', "perl$]") {
	    PATH_COMPONENT: foreach $component (MM->path(),
						$Config::Config{'binexp'}) {
		  next unless defined($component) && $component;
		  my($abs) = MM->catfile($component,$perl_name);
		  if (MM->maybe_command($abs)) {
		      $perl = $abs;
		      last DIST_PERLNAME;
		  }
	      }
	  }
    }
    $perl;
}

#-> sub CPAN::Distribution::make ;
sub make {
    my($self) = @_;
    $CPAN::Frontend->myprint(sprintf "Running make for %s\n", $self->id);
    # Emergency brake if they said install Pippi and get newest perl
    if ($self->isa_perl) {
      if (
	  $self->called_for ne $self->id && ! $self->{'force_update'}
	 ) {
	$CPAN::Frontend->mydie(sprintf qq{
The most recent version "%s" of the module "%s"
comes with the current version of perl (%s).
I\'ll build that only if you ask for something like
    force install %s
or
    install %s
},
			       $CPAN::META->instance(
						     'CPAN::Module',
						     $self->called_for
						    )->cpan_version,
			       $self->called_for,
			       $self->isa_perl,
			       $self->called_for,
			       $self->id);
      }
    }
    $self->get;
  EXCUSE: {
	my @e;
	$self->{archived} eq "NO" and push @e,
	"Is neither a tar nor a zip archive.";

	$self->{unwrapped} eq "NO" and push @e,
	"had problems unarchiving. Please build manually";

	exists $self->{writemakefile} &&
	    $self->{writemakefile} eq "NO" and push @e,
	    "Had some problem writing Makefile";

	defined $self->{'make'} and push @e,
	"Has already been processed within this session";

	$CPAN::Frontend->myprint(join "", map {"  $_\n"} @e) and return if @e;
    }
    $CPAN::Frontend->myprint("\n  CPAN.pm: Going to build ".$self->id."\n\n");
    my $builddir = $self->dir;
    chdir $builddir or Carp::croak("Couldn't chdir $builddir: $!");
    $self->debug("Changed directory to $builddir") if $CPAN::DEBUG;

    my $system;
    if ($self->{'configure'}) {
      $system = $self->{'configure'};
    } else {
	my($perl) = $self->perl or die "Couldn\'t find executable perl\n";
	my $switch = "";
# This needs a handler that can be turned on or off:
#	$switch = "-MExtUtils::MakeMaker ".
#	    "-Mops=:default,:filesys_read,:filesys_open,require,chdir"
#	    if $] > 5.00310;
	$system = "$perl $switch Makefile.PL $CPAN::Config->{makepl_arg}";
    }
    unless (exists $self->{writemakefile}) {
	local($SIG{ALRM}) = sub { die "inactivity_timeout reached\n" };
	my($ret,$pid);
	$@ = "";
	if ($CPAN::Config->{inactivity_timeout}) {
	    eval {
		alarm $CPAN::Config->{inactivity_timeout};
		local $SIG{CHLD} = sub { wait };
		if (defined($pid = fork)) {
		    if ($pid) { #parent
			wait;
		    } else {    #child
		      # note, this exec isn't necessary if
		      # inactivity_timeout is 0. On the Mac I'd
		      # suggest, we set it always to 0.
		      exec $system;
		    }
		} else {
		    $CPAN::Frontend->myprint("Cannot fork: $!");
		    return;
		}
	    };
	    alarm 0;
	    if ($@){
		kill 9, $pid;
		waitpid $pid, 0;
		$CPAN::Frontend->myprint($@);
		$self->{writemakefile} = "NO - $@";
		$@ = "";
		return;
	    }
	} else {
	  $ret = system($system);
	  if ($ret != 0) {
	    $self->{writemakefile} = "NO";
	    return;
	  }
	}
	$self->{writemakefile} = "YES";
    }
    return if $CPAN::Signal;
    if (my @prereq = $self->needs_prereq){
      my $id = $self->id;
      $CPAN::Frontend->myprint("---- Dependencies detected ".
			       "during [$id] -----\n");

      for my $p (@prereq) {
	$CPAN::Frontend->myprint("    $p\n");
      }
      sleep 2;
      my $follow = 0;
      if ($CPAN::Config->{prerequisites_policy} eq "follow") {
	$follow = 1;
      } elsif ($CPAN::Config->{prerequisites_policy} eq "ask") {
	require ExtUtils::MakeMaker;
	my $answer = ExtUtils::MakeMaker::prompt(
"Shall I follow them and prepend them to the queue
of modules we are processing right now?", "yes");
	$follow = $answer =~ /^\s*y/i;
      }
      if ($follow) {
	CPAN::Queue->jumpqueue(@prereq,$id); # requeue yourself
	return;
      }
    }
    $system = join " ", $CPAN::Config->{'make'}, $CPAN::Config->{make_arg};
    if (system($system) == 0) {
	 $CPAN::Frontend->myprint("  $system -- OK\n");
	 $self->{'make'} = "YES";
    } else {
	 $self->{writemakefile} = "YES";
	 $self->{'make'} = "NO";
	 $CPAN::Frontend->myprint("  $system -- NOT OK\n");
    }
}

#-> sub CPAN::Distribution::needs_prereq ;
sub needs_prereq {
  my($self) = @_;
  return unless -f "Makefile"; # we cannot say much
  my $fh = FileHandle->new("<Makefile") or
      $CPAN::Frontend->mydie("Couldn't open Makefile: $!");
  local($/) = "\n";
  my($v);
  while (<$fh>) {
    last if ($v) = m| ^ \# \s+ ( \d+\.\d+ ) .* Revision: |x;
  }

  my(@p,@need);
  if (1) { # probably all versions of MakeMaker ever so far
    while (<$fh>) {
      last if /MakeMaker post_initialize section/;
      my($p) = m{^[\#]
		 \s+PREREQ_PM\s+=>\s+(.+)
		 }x;
      next unless $p;
      # warn "Found prereq expr[$p]";

      while ( $p =~ m/(?:\s)([\w\:]+)=>q\[.*?\],?/g ){
        push @p, $1;
      }
      last;
    }
  } else { # MakeMaker after a patch I suggested. Let's wait and see
    while (<$fh>) {
      last if /MakeMaker post_initialize section/;
      my($p) = m|\# prerequisite (\S+).+not found|;
      next unless $p;
      push @p, $p;
    }
  }
  for my $p (@p) {
    unless ($CPAN::META->instance("CPAN::Module",$p)->inst_file){
      if ($self->{'have_sponsored'}{$p}++) {
	# We have already sponsored it and for some reason it's still
	# not available. So we do nothing. Or what should we do?
      } else {
	# warn "----- Protegere $p -----";
	push @need, $p;
	# CPAN::Queue->jumpqueue($p);
	# $ret++;
      }
    }
  }
  return @need;
}

#-> sub CPAN::Distribution::test ;
sub test {
    my($self) = @_;
    $self->make;
    return if $CPAN::Signal;
    $CPAN::Frontend->myprint("Running make test\n");
  EXCUSE: {
	my @e;
	exists $self->{'make'} or push @e,
	"Make had some problems, maybe interrupted? Won't test";

	exists $self->{'make'} and
	    $self->{'make'} eq 'NO' and
		push @e, "Oops, make had returned bad status";

	exists $self->{'build_dir'} or push @e, "Has no own directory";
	$CPAN::Frontend->myprint(join "", map {"  $_\n"} @e) and return if @e;
    }
    chdir $self->{'build_dir'} or
	Carp::croak("Couldn't chdir to $self->{'build_dir'}");
    $self->debug("Changed directory to $self->{'build_dir'}")
	if $CPAN::DEBUG;
    my $system = join " ", $CPAN::Config->{'make'}, "test";
    if (system($system) == 0) {
	 $CPAN::Frontend->myprint("  $system -- OK\n");
	 $self->{'make_test'} = "YES";
    } else {
	 $self->{'make_test'} = "NO";
	 $CPAN::Frontend->myprint("  $system -- NOT OK\n");
    }
}

#-> sub CPAN::Distribution::clean ;
sub clean {
    my($self) = @_;
    $CPAN::Frontend->myprint("Running make clean\n");
  EXCUSE: {
	my @e;
	exists $self->{'build_dir'} or push @e, "Has no own directory";
	$CPAN::Frontend->myprint(join "", map {"  $_\n"} @e) and return if @e;
    }
    chdir $self->{'build_dir'} or
	Carp::croak("Couldn't chdir to $self->{'build_dir'}");
    $self->debug("Changed directory to $self->{'build_dir'}") if $CPAN::DEBUG;
    my $system = join " ", $CPAN::Config->{'make'}, "clean";
    if (system($system) == 0) {
	$CPAN::Frontend->myprint("  $system -- OK\n");
	$self->force;
    } else {
	# Hmmm, what to do if make clean failed?
    }
}

#-> sub CPAN::Distribution::install ;
sub install {
    my($self) = @_;
    $self->test;
    return if $CPAN::Signal;
    $CPAN::Frontend->myprint("Running make install\n");
  EXCUSE: {
	my @e;
	exists $self->{'build_dir'} or push @e, "Has no own directory";

	exists $self->{'make'} or push @e,
	"Make had some problems, maybe interrupted? Won't install";

	exists $self->{'make'} and
	    $self->{'make'} eq 'NO' and
		push @e, "Oops, make had returned bad status";

	push @e, "make test had returned bad status, ".
	    "won't install without force"
	    if exists $self->{'make_test'} and
	    $self->{'make_test'} eq 'NO' and
	    ! $self->{'force_update'};

	exists $self->{'install'} and push @e,
	$self->{'install'} eq "YES" ?
	    "Already done" : "Already tried without success";

	$CPAN::Frontend->myprint(join "", map {"  $_\n"} @e) and return if @e;
    }
    chdir $self->{'build_dir'} or
	Carp::croak("Couldn't chdir to $self->{'build_dir'}");
    $self->debug("Changed directory to $self->{'build_dir'}")
	if $CPAN::DEBUG;
    my $system = join(" ", $CPAN::Config->{'make'},
		      "install", $CPAN::Config->{make_install_arg});
    my($stderr) = $^O =~ /Win/i ? "" : " 2>&1 ";
    my($pipe) = FileHandle->new("$system $stderr |");
    my($makeout) = "";
    while (<$pipe>){
	$CPAN::Frontend->myprint($_);
	$makeout .= $_;
    }
    $pipe->close;
    if ($?==0) {
	 $CPAN::Frontend->myprint("  $system -- OK\n");
	 return $self->{'install'} = "YES";
    } else {
	 $self->{'install'} = "NO";
	 $CPAN::Frontend->myprint("  $system -- NOT OK\n");
	 if ($makeout =~ /permission/s && $> > 0) {
	     $CPAN::Frontend->myprint(qq{    You may have to su }.
				      qq{to root to install the package\n});
	 }
    }
}

#-> sub CPAN::Distribution::dir ;
sub dir {
    shift->{'build_dir'};
}

package CPAN::Bundle;

#-> sub CPAN::Bundle::as_string ;
sub as_string {
    my($self) = @_;
    $self->contains;
    $self->{INST_VERSION} = $self->inst_version;
    return $self->SUPER::as_string;
}

#-> sub CPAN::Bundle::contains ;
sub contains {
  my($self) = @_;
  my($parsefile) = $self->inst_file;
  my($id) = $self->id;
  $self->debug("parsefile[$parsefile]id[$id]") if $CPAN::DEBUG;
  unless ($parsefile) {
    # Try to get at it in the cpan directory
    $self->debug("no parsefile") if $CPAN::DEBUG;
    Carp::confess "I don't know a $id" unless $self->{CPAN_FILE};
    my $dist = $CPAN::META->instance('CPAN::Distribution',
				     $self->{CPAN_FILE});
    $dist->get;
    $self->debug($dist->as_string) if $CPAN::DEBUG;
    my($todir) = $CPAN::Config->{'cpan_home'};
    my(@me,$from,$to,$me);
    @me = split /::/, $self->id;
    $me[-1] .= ".pm";
    $me = MM->catfile(@me);
    $from = $self->find_bundle_file($dist->{'build_dir'},$me);
    $to = MM->catfile($todir,$me);
    File::Path::mkpath(File::Basename::dirname($to));
    File::Copy::copy($from, $to)
	or Carp::confess("Couldn't copy $from to $to: $!");
    $parsefile = $to;
  }
  my @result;
  my $fh = FileHandle->new;
  local $/ = "\n";
  open($fh,$parsefile) or die "Could not open '$parsefile': $!";
  my $inpod = 0;
  $self->debug("parsefile[$parsefile]") if $CPAN::DEBUG;
  while (<$fh>) {
    $inpod = m/^=(?!head1\s+CONTENTS)/ ? 0 :
	m/^=head1\s+CONTENTS/ ? 1 : $inpod;
    next unless $inpod;
    next if /^=/;
    next if /^\s+$/;
    chomp;
    push @result, (split " ", $_, 2)[0];
  }
  close $fh;
  delete $self->{STATUS};
  $self->{CONTAINS} = join ", ", @result;
  $self->debug("CONTAINS[@result]") if $CPAN::DEBUG;
  unless (@result) {
    $CPAN::Frontend->mywarn(qq{
The bundle file "$parsefile" may be a broken
bundlefile. It seems not to contain any bundle definition.
Please check the file and if it is bogus, please delete it.
Sorry for the inconvenience.
});
  }
  @result;
}

#-> sub CPAN::Bundle::find_bundle_file
sub find_bundle_file {
    my($self,$where,$what) = @_;
    $self->debug("where[$where]what[$what]") if $CPAN::DEBUG;
### The following two lines let CPAN.pm become Bundle/CPAN.pm :-(
###    my $bu = MM->catfile($where,$what);
###    return $bu if -f $bu;
    my $manifest = MM->catfile($where,"MANIFEST");
    unless (-f $manifest) {
	require ExtUtils::Manifest;
	my $getcwd = $CPAN::Config->{'getcwd'} || 'cwd';
	my $cwd = CPAN->$getcwd();
	chdir $where;
	ExtUtils::Manifest::mkmanifest();
	chdir $cwd;
    }
    my $fh = FileHandle->new($manifest)
	or Carp::croak("Couldn't open $manifest: $!");
    local($/) = "\n";
    my $what2 = $what;
    $what2 =~ s|Bundle/||;
    my $bu;
    while (<$fh>) {
	next if /^\s*\#/;
	my($file) = /(\S+)/;
	if ($file =~ m|\Q$what\E$|) {
	    $bu = $file;
	    # return MM->catfile($where,$bu); # bad
	    last;
	}
	# retry if she managed to
	# have no Bundle directory
	$bu = $file if $file =~ m|\Q$what2\E$|;
    }
    return MM->catfile($where, $bu) if $bu;
    Carp::croak("Couldn't find a Bundle file in $where");
}

#-> sub CPAN::Bundle::inst_file ;
sub inst_file {
    my($self) = @_;
    my($me,$inst_file);
    ($me = $self->id) =~ s/.*://;
##    my(@me,$inst_file);
##    @me = split /::/, $self->id;
##    $me[-1] .= ".pm";
    $inst_file = MM->catfile($CPAN::Config->{'cpan_home'},
				      "Bundle", "$me.pm");
##				      "Bundle", @me);
    return $self->{'INST_FILE'} = $inst_file if -f $inst_file;
#    $inst_file =
    $self->SUPER::inst_file;
#    return $self->{'INST_FILE'} = $inst_file if -f $inst_file;
#    return $self->{'INST_FILE'}; # even if undefined?
}

#-> sub CPAN::Bundle::rematein ;
sub rematein {
    my($self,$meth) = @_;
    $self->debug("self[$self] meth[$meth]") if $CPAN::DEBUG;
    my($id) = $self->id;
    Carp::croak "Can't $meth $id, don't have an associated bundle file. :-(\n"
	unless $self->inst_file || $self->{CPAN_FILE};
    my($s,%fail);
    for $s ($self->contains) {
	my($type) = $s =~ m|/| ? 'CPAN::Distribution' :
	    $s =~ m|^Bundle::| ? 'CPAN::Bundle' : 'CPAN::Module';
	if ($type eq 'CPAN::Distribution') {
	    $CPAN::Frontend->mywarn(qq{
The Bundle }.$self->id.qq{ contains
explicitly a file $s.
});
	    sleep 3;
	}
	# possibly noisy action:
	my $obj = $CPAN::META->instance($type,$s);
	$obj->$meth();
	my $success = $obj->can("uptodate") ? $obj->uptodate : 0;
	$success ||= $obj->{'install'} && $obj->{'install'} eq "YES";
	$fail{$s} = 1 unless $success;
    }
    # recap with less noise
    if ( $meth eq "install") {
	if (%fail) {
	    $CPAN::Frontend->myprint(qq{\nBundle summary: }.
				     qq{The following items seem to }.
				     qq{have had installation problems:\n});
	    for $s ($self->contains) {
		$CPAN::Frontend->myprint( "$s " ) if $fail{$s};
	    }
	    $CPAN::Frontend->myprint(qq{\n});
	} else {
	    $self->{'install'} = 'YES';
	}
    }
}

#sub CPAN::Bundle::xs_file
sub xs_file {
    # If a bundle contains another that contains an xs_file we have
    # here, we just don't bother I suppose
    return 0;
}

#-> sub CPAN::Bundle::force ;
sub force   { shift->rematein('force',@_); }
#-> sub CPAN::Bundle::get ;
sub get     { shift->rematein('get',@_); }
#-> sub CPAN::Bundle::make ;
sub make    { shift->rematein('make',@_); }
#-> sub CPAN::Bundle::test ;
sub test    { shift->rematein('test',@_); }
#-> sub CPAN::Bundle::install ;
sub install {
  my $self = shift;
  $self->rematein('install',@_);
}
#-> sub CPAN::Bundle::clean ;
sub clean   { shift->rematein('clean',@_); }

#-> sub CPAN::Bundle::readme ;
sub readme  {
    my($self) = @_;
    my($file) = $self->cpan_file or $CPAN::Frontend->myprint(qq{
No File found for bundle } . $self->id . qq{\n}), return;
    $self->debug("self[$self] file[$file]") if $CPAN::DEBUG;
    $CPAN::META->instance('CPAN::Distribution',$file)->readme;
}

package CPAN::Module;

#-> sub CPAN::Module::as_glimpse ;
sub as_glimpse {
    my($self) = @_;
    my(@m);
    my $class = ref($self);
    $class =~ s/^CPAN:://;
    push @m, sprintf("%-15s %-15s (%s)\n", $class, $self->{ID},
		     $self->cpan_file);
    join "", @m;
}

#-> sub CPAN::Module::as_string ;
sub as_string {
    my($self) = @_;
    my(@m);
    CPAN->debug($self) if $CPAN::DEBUG;
    my $class = ref($self);
    $class =~ s/^CPAN:://;
    local($^W) = 0;
    push @m, $class, " id = $self->{ID}\n";
    my $sprintf = "    %-12s %s\n";
    push @m, sprintf($sprintf, 'DESCRIPTION', $self->{description})
	if $self->{description};
    my $sprintf2 = "    %-12s %s (%s)\n";
    my($userid);
    if ($userid = $self->{'CPAN_USERID'} || $self->{'userid'}){
	my $author;
	if ($author = CPAN::Shell->expand('Author',$userid)) {
	  my $email = "";
	  my $m; # old perls
	  if ($m = $author->email) {
            $email = " <$m>";
          }
	  push @m, sprintf(
			   $sprintf2,
			   'CPAN_USERID',
			   $userid,
			   $author->fullname . $email
			  );
	}
    }
    push @m, sprintf($sprintf, 'CPAN_VERSION', $self->{CPAN_VERSION})
	if $self->{CPAN_VERSION};
    push @m, sprintf($sprintf, 'CPAN_FILE', $self->{CPAN_FILE})
	if $self->{CPAN_FILE};
    my $sprintf3 = "    %-12s %1s%1s%1s%1s (%s,%s,%s,%s)\n";
    my(%statd,%stats,%statl,%stati);
    @statd{qw,? i c a b R M S,} = qw,unknown idea
	pre-alpha alpha beta released mature standard,;
    @stats{qw,? m d u n,}       = qw,unknown mailing-list
	developer comp.lang.perl.* none,;
    @statl{qw,? p c + o h,}       = qw,unknown perl C C++ other hybrid,;
    @stati{qw,? f r O h,}         = qw,unknown functions
	references+ties object-oriented hybrid,;
    $statd{' '} = 'unknown';
    $stats{' '} = 'unknown';
    $statl{' '} = 'unknown';
    $stati{' '} = 'unknown';
    push @m, sprintf(
		     $sprintf3,
		     'DSLI_STATUS',
		     $self->{statd},
		     $self->{stats},
		     $self->{statl},
		     $self->{stati},
		     $statd{$self->{statd}},
		     $stats{$self->{stats}},
		     $statl{$self->{statl}},
		     $stati{$self->{stati}}
		    ) if $self->{statd};
    my $local_file = $self->inst_file;
    if ($local_file) {
      $self->{MANPAGE} ||= $self->manpage_headline($local_file);
    }
    my($item);
    for $item (qw/MANPAGE CONTAINS/) {
	push @m, sprintf($sprintf, $item, $self->{$item})
	    if exists $self->{$item};
    }
    push @m, sprintf($sprintf, 'INST_FILE',
		     $local_file || "(not installed)");
    push @m, sprintf($sprintf, 'INST_VERSION',
		     $self->inst_version) if $local_file;
    join "", @m, "\n";
}

sub manpage_headline {
  my($self,$local_file) = @_;
  my(@local_file) = $local_file;
  $local_file =~ s/\.pm$/.pod/;
  push @local_file, $local_file;
  my(@result,$locf);
  for $locf (@local_file) {
    next unless -f $locf;
    my $fh = FileHandle->new($locf)
	or $Carp::Frontend->mydie("Couldn't open $locf: $!");