#!/usr/bin/perl -l

use strict;
use warnings;
use CPAN;
use Data::Dumper::Concise;

my $d = shift @ARGV;

my(@mods) = qw(CGI MooseX::Declare);

my (@matches) = grep(($_ eq $d), @mods);
if (@matches) {
    foreach $d (CPAN::Shell->expand("Module", $d)) { 
        print Dumper( $d->dslip_status );
    } 
}
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Give the script a name and run it one module at a time. CGI comes back as registered with a hashref, but MooseX::Declare simply returns {}.

Update: condensed version

#!/usr/bin/perl -l

use strict;
use warnings;
use CPAN;
use Data::Dumper::Concise;

my $d = shift @ARGV;
foreach $d (CPAN::Shell->expand("Module", $d)) { 
    print Dumper( $d->dslip_status );
}
[download]