Incomplete instructions

 $ pp `find lib/ -name \*pm |perl -ne '$_ =~ s/.pm$//;print "-M ". join("::",grep { ! /(?:lib|\-)/ } split("/",$_)) '`  -I lib bin/jifty
use warnings;
use strict;
use Cwd qw(cwd);
use Module::CoreList;
use File::Copy;
use File::Path qw(mkpath);
use File::Spec::Functions qw(splitdir catfile catdir);
use CPAN;
use CPAN::Config;
use YAML;
use Time::Local;

@INC = grep {! /local/} @INC; # don't want cpan.pm to make decisions based locally installed modules;
use vars qw/$INSTALLED $FAILED $SKIP_DEPS_FOR/;
$INSTALLED     = {};
$FAILED        = {};
$SKIP_DEPS_FOR = { };
process_cpan();

sub process_cpan {

    #    my $self = shift;
    my $path = cwd();
    my @modules = @ARGV;

    # We install Scalar::Util first to break a scary dependency loop.
    mkdir "$path/.cpan";
    mkdir "$path/.cpan/build";
    print join "\n", @modules, "\n";

    unshift @INC, '$path/lib';
    $ENV{'PERL5LIB'} = "$path/lib";

    $CPAN::Config->{build_dir}            = "$path/.cpan/build";
    $CPAN::Config->{cpan_home}            = "$path/.cpan/build";
    $CPAN::Config->{histfile}             = "$path/.cpan/histfile;";
    $CPAN::Config->{keep_source_where}    = "$path/.cpan/sources";
    $CPAN::Config->{prerequisites_policy} = "follow";
    $CPAN::Config->{makepl_arg}
        = "PREFIX=$path PERL5LIB=$path/lib LIB=$path/lib INSTALLMAN1DIR=$path/man/man1 INSTALLMAN3DIR=$path/man/man3 INSTALLBIN=$path/bin INSTALLSCRIPT=$path/bin";
    $CPAN::Config->{make_install_arg} =~ s/UNINST=1//;

    my @objs = map { CPAN::Shell->expand( 'Module', $_ ) } @modules;
    for my $i ( 0 .. $#objs ) {
        delete $objs[$i]
            if grep { $_->{RO}->{CPAN_FILE} eq $objs[$i]->{RO}->{CPAN_FILE} }
            @objs[ $i + 1 .. $#objs ];
    }

    foreach my $mod (@modules) {

        #foreach my $mod ( grep { defined $_ } @objs ) {
        install_mod($mod);
    }
    print YAML::Dump($FAILED);
}

sub install_mod {
    my $mod_name = shift;
    my $version = shift;
    my $mod = CPAN::Shell->expand( 'Module', $mod_name );
    my $first_in = Module::CoreList->first_release($mod_name => $version);
    if ( defined $first_in and $first_in <= 5.00803 ) { print "Skipping $mod_name. It's been core since $first_in\n"; return }
    if ( $mod->distribution->isa_perl ) { print "Skipping $mod_name. It's only in the core. OOPS\n";return}
    if ( $INSTALLED->{ $mod->cpan_file } ) { print "Skipping $mod_name. We've already installed it\n";return}

    if ( $FAILED->{ $mod->cpan_file } >= 3 ) {
        print YAML::Dump($INSTALLED);
        print YAML::Dump($FAILED);

        die "We've tried to install "
            . $mod->distribution->as_string
            . " twice";

    }

    # Install to local
    unless ( $SKIP_DEPS_FOR->{$mod_name} ) {
        $mod->make;
        my $deps = $mod->distribution->prereq_pm;
        foreach my $dep ( keys %$deps ) {
            install_mod($dep => $deps->{$dep});
        }
    }
    #$mod->force();
    $mod->install;
    $INSTALLED->{ $mod->cpan_file } = 1;
}

1;