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?? API
?? Admin.pm(7.6 KB)
?? Author.pm(6.68 KB)
?? Bundle.pm(9.6 KB)
?? CacheMgr.pm(7.48 KB)
?? Complete.pm(5.88 KB)
?? Debug.pm(2.05 KB)
?? DeferredCode.pm(189 B)
?? Distribution.pm(159.97 KB)
?? Distroprefs.pm(11.71 KB)
?? Distrostatus.pm(972 B)
?? Exception
?? FTP
?? FTP.pm(41.63 KB)
?? FirstTime.pm(70.29 KB)
?? HTTP
?? HandleConfig.pm(22.75 KB)
?? Index.pm(21.7 KB)
?? InfoObj.pm(6.75 KB)
?? Kwalify
?? Kwalify.pm(3.35 KB)
?? LWP
?? Meta
?? Meta.pm(29.56 KB)
?? Mirrors.pm(16.3 KB)
?? Module.pm(21.87 KB)
?? Nox.pm(953 B)
?? Plugin
?? Plugin.pm(3.14 KB)
?? Prompt.pm(567 B)
?? Queue.pm(6.78 KB)
?? Shell.pm(71.88 KB)
?? Tarzip.pm(16.32 KB)
?? URL.pm(588 B)
?? Version.pm(4.29 KB)

Editing: CacheMgr.pm

# -*- Mode: cperl; coding: utf-8; cperl-indent-level: 4 -*-
# vim: ts=4 sts=4 sw=4:
package CPAN::CacheMgr;
use strict;
use CPAN::InfoObj;
@CPAN::CacheMgr::ISA = qw(CPAN::InfoObj CPAN);
use Cwd qw(chdir);
use File::Find;

use vars qw(
            $VERSION
);
$VERSION = "5.5002";

package CPAN::CacheMgr;
use strict;

#-> 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 CPAN::CacheMgr::tidyup ;
sub tidyup {
  my($self) = @_;
  return unless $CPAN::META->{LOCK};
  return unless -d $self->{ID};
  my @toremove = grep { $self->{SIZE}{$_}==0 } @{$self->{FIFO}};
  for my $current (0..$#toremove) {
    my $toremove = $toremove[$current];
    $CPAN::Frontend->myprint(sprintf(
                                     "DEL(%d/%d): %s \n",
                                     $current+1,
                                     scalar @toremove,
                                     $toremove,
                                    )
                            );
    return if $CPAN::Signal;
    $self->_clean_cache($toremove);
    return if $CPAN::Signal;
  }
  $self->{FIFO} = [];
}

#-> 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 ||= $self->{ID};
    my($cwd) = CPAN::anycwd();
    chdir $dir or Carp::croak("Can't chdir to $dir: $!");
    my $dh = DirHandle->new(File::Spec->curdir)
        or Carp::croak("Couldn't opendir $dir: $!");
    my(@entries);
    for ($dh->read) {
        next if $_ eq "." || $_ eq "..";
        if (-f $_) {
            push @entries, File::Spec->catfile($dir,$_);
        } elsif (-d _) {
            push @entries, File::Spec->catdir($dir,$_);
        } else {
            $CPAN::Frontend->mywarn("Warning: weird direntry in $dir: $_\n");
        }
    }
    chdir $cwd or Carp::croak("Can't chdir to $cwd: $!");
    sort { -M $a <=> -M $b} @entries;
}

#-> sub CPAN::CacheMgr::disk_usage ;
sub disk_usage {
    my($self,$dir,$fast) = @_;
    return if exists $self->{SIZE}{$dir};
    return if $CPAN::Signal;
    my($Du) = 0;
    if (-e $dir) {
        if (-d $dir) {
            unless (-x $dir) {
                unless (chmod 0755, $dir) {
                    $CPAN::Frontend->mywarn("I have neither the -x permission nor the ".
                                            "permission to change the permission; cannot ".
                                            "estimate disk usage of '$dir'\n");
                    $CPAN::Frontend->mysleep(5);
                    return;
                }
            }
        } elsif (-f $dir) {
            # nothing to say, no matter what the permissions
        }
    } else {
        $CPAN::Frontend->mywarn("File or directory '$dir' has gone, ignoring\n");
        return;
    }
    if ($fast) {
        $Du = 0; # placeholder
    } else {
        find(
             sub {
           $File::Find::prune++ if $CPAN::Signal;
           return if -l $_;
           if ($^O eq 'MacOS') {
             require Mac::Files;
             my $cat  = Mac::Files::FSpGetCatInfo($_);
             $Du += $cat->ioFlLgLen() + $cat->ioFlRLgLen() if $cat;
           } else {
             if (-d _) {
               unless (-x _) {
                 unless (chmod 0755, $_) {
                   $CPAN::Frontend->mywarn("I have neither the -x permission nor ".
                                           "the permission to change the permission; ".
                                           "can only partially estimate disk usage ".
                                           "of '$_'\n");
                   $CPAN::Frontend->mysleep(5);
                   return;
                 }
               }
             } else {
               $Du += (-s _);
             }
           }
         },
         $dir
            );
    }
    return if $CPAN::Signal;
    $self->{SIZE}{$dir} = $Du/1024/1024;
    unshift @{$self->{FIFO}}, $dir;
    $self->debug("measured $dir is $Du") if $CPAN::DEBUG;
    $self->{DU} += $Du/1024/1024;
    $self->{DU};
}

#-> sub CPAN::CacheMgr::_clean_cache ;
sub _clean_cache {
    my($self,$dir) = @_;
    return unless -e $dir;
    unless (File::Spec->canonpath(File::Basename::dirname($dir))
            eq File::Spec->canonpath($CPAN::Config->{build_dir})) {
        $CPAN::Frontend->mywarn("Directory '$dir' not below $CPAN::Config->{build_dir}, ".
                                "will not remove\n");
        $CPAN::Frontend->mysleep(5);
        return;
    }
    $self->debug("have to rmtree $dir, will free $self->{SIZE}{$dir}")
        if $CPAN::DEBUG;
    File::Path::rmtree($dir);
    my $id_deleted = 0;
    if ($dir !~ /\.yml$/ && -f "$dir.yml") {
        my $yaml_module = CPAN::_yaml_module();
        if ($CPAN::META->has_inst($yaml_module)) {
            my($peek_yaml) = eval { CPAN->_yaml_loadfile("$dir.yml"); };
            if ($@) {
                $CPAN::Frontend->mywarn("(parse error on '$dir.yml' removing anyway)");
                unlink "$dir.yml" or
                    $CPAN::Frontend->mywarn("(Could not unlink '$dir.yml': $!)");
                return;
            } elsif (my $id = $peek_yaml->[0]{distribution}{ID}) {
                $CPAN::META->delete("CPAN::Distribution", $id);

# XXX we should restore the state NOW, otherwise this
                # distro does not exist until we read an index. BUG ALERT(?)

# $CPAN::Frontend->mywarn (" +++\n");
                $id_deleted++;
            }
        }
        unlink "$dir.yml"; # may fail
        unless ($id_deleted) {
            CPAN->debug("no distro found associated with '$dir'");
        }
    }
    $self->{DU} -= $self->{SIZE}{$dir};
    delete $self->{SIZE}{$dir};
}

#-> sub CPAN::CacheMgr::new ;
sub new {
    my($class,$phase) = @_;
    $phase ||= "atstart";
    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
    };
    $CPAN::Frontend->mydie("Unknown scan_cache argument: $self->{SCAN}")
        unless $self->{SCAN} =~ /never|atstart|atexit/;
    File::Path::mkpath($self->{ID});
    my $dh = DirHandle->new($self->{ID});
    bless $self, $class;
    $self->scan_cache($phase);
    $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, $phase) = @_;
    $phase = '' unless defined $phase;
    return unless $phase eq $self->{SCAN};
    return unless $CPAN::META->{LOCK};
    $CPAN::Frontend->myprint(
                             sprintf("Scanning cache %s for sizes\n",
                             $self->{ID}));
    my $e;
    my @entries = $self->entries($self->{ID});
    my $i = 0;
    my $painted = 0;
    for $e (@entries) {
        my $symbol = ".";
        if ($self->{DU} > $self->{MAX}) {
            $symbol = "-";
            $self->disk_usage($e,1);
        } else {
            $self->disk_usage($e);
        }
        $i++;
        while (($painted/76) < ($i/@entries)) {
            $CPAN::Frontend->myprint($symbol);
            $painted++;
        }
        return if $CPAN::Signal;
    }
    $CPAN::Frontend->myprint("DONE\n");
    $self->tidyup;
}

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Editing: CacheMgr.pm

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