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#!/usr/bin/env perl
# $Id: check-collection-coverage 0 2007-10-14 20:32:44Z karl $
# Copyright 2007 Norbert Preining
# This file is licensed under the GNU General Public License version 2
# or any later version.
# 
# Check that all package are contained in some collection.

BEGIN {
  $^W = 1;
  ($mydir = $0) =~ s,/[^/]*$,,;
  unshift (@INC, "$mydir/..");
}

our $mydir;

use strict;

use TeXLive::TLConfig;
use TeXLive::TLPOBJ;
use TeXLive::TLPDB;
use Getopt::Long;
use Pod::Usage;
use File::Path;

my $help = 0;

GetOptions("help|?"       => \$help) or pod2usage(1);
pod2usage(-exitstatus => 0, -verbose => 2) if $help;

exit (&main ());

sub main
{
  # get the db.
  chomp (my $Master = `cd $mydir/../.. && pwd`);  # xx TLPDB should default
  my $tlpdb = TeXLive::TLPDB->new ("root" => "$Master");
  die("Cannot find tlpdb in $Master!\n") unless defined($tlpdb);
  my @colls = $tlpdb->collections;
  my %found;
  for my $pkg ($tlpdb->list_packages) {
    my $cat = $tlpdb->get_package($pkg)->category;
    # ignore collections and schemes
    next if ($cat eq "Collection");
    next if ($cat eq "Scheme");
    next if ($pkg =~ m/\./);
    $found{$pkg}{'present'} = 1;
    foreach my $c (@colls) {
      if (grep(/^$pkg$/,$tlpdb->get_package($c)->depends)) {
        $found{$pkg}{$c} = 1;
      }
    }
  }
  my @notincolls;
  my @multicolls;
  foreach my $pkg (keys %found) {
    my @k = keys %{$found{$pkg}};
    if ($#k <= 0) { push @notincolls, $pkg; }
    if ($#k > 1) { push @multicolls, $pkg; }
  }
  if (@notincolls) {
    print "NOT COVERED PACKAGES:\n";
    for my $pkg (@notincolls) {
      print "\t$pkg\n";
    }
  }
  if (@multicolls) {
    print "MULTIPLE COVERED PACKAGES: \n";
    for my $pkg (@multicolls) {
      print "\t$pkg: ";
      for my $c (keys %{$found{$pkg}}) {
        print "$c " if ($c ne "present");
      }
      print "\n";
    }
  }
}



__END__

=head1 NAME

check-collection-coverage - check that all packages are contained in some collection

=head1 SYNOPSIS

check-collection-coverage

=head1 OPTIONS

There are no options bug C<-help>.

=head1 DESCRIPTION

Every package should be included in some collection. This program checks
for that and echos found problems to stdout.

=head1 AUTHORS AND COPYRIGHT

This script and its documentation were written for the TeX Live
distribution (L<http://tug.org/texlive>) and both are licensed under the
GNU General Public License Version 2 or later.

=cut

### Local Variables:
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### End:
# vim:set tabstop=2 expandtab: #