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#!/usr/bin/perl
use strict;
use warnings;
no indirect;
use autovivification;
use English qw(-no_match_vars);
use LWP::Simple;
my $BASE_URL = 'http://files.proteanos.com/pub/proteanos/feeds/dev/trunk';
my @DEP_FIELDS = qw(Depends Recommends Suggests Pre-Depends);
my @IGNORE_DEPS = qw(libc.6);
my %bin_src_map;
my %rdeps_graph;
my %deps_graph;
sub read_list
{
my ($list, $is_src) = @_;
foreach my $para (split(m{\n\n}, get($list))) {
my $package = undef;
my $source = undef;
my @deps;
foreach my $line (split(m{\n}, $para)) {
my ($name, $value) = split(m{\s*:\s*}, $line);
if ($name eq 'Package') {
$package = $value;
}
if ($name eq 'Source') {
$source = $value;
}
if (grep(m{^\Q$name\E$}, @DEP_FIELDS)) {
push(@deps, split(m{\s*,\s*}, $value));
}
}
if (not $is_src) {
$bin_src_map{$package}{$source} = 1;
}
map({ $_ =~ s{[\s(].*$}{}; } @deps); # Vim: )
foreach my $dep (@deps) {
next if grep(m{^\Q$dep\E$}, @IGNORE_DEPS);
$rdeps_graph{$dep}{$source} = 1;
}
}
return;
}
sub main
{
my @manifest;
@manifest = split(m{\n}, get($BASE_URL . '/Manifest'));
foreach my $aps (@manifest) {
read_list($BASE_URL . '/' . $aps . '/Packages',
($aps =~ m{^src/}));
}
STDOUT->print("digraph deps {\n");
foreach my $dep_bin (keys(%rdeps_graph)) {
foreach my $src (keys(%{$rdeps_graph{$dep_bin}})) {
my @dep_srcs = keys(%{$bin_src_map{$dep_bin}});
foreach my $dep_src (@dep_srcs) {
next if $dep_src eq $src;
$deps_graph{$src}{$dep_src} = scalar(@dep_srcs);
}
}
}
foreach my $src (sort(keys(%deps_graph))) {
foreach my $dep_src (sort(keys(%{$deps_graph{$src}}))) {
my $attr = '';
if ($deps_graph{$src}{$dep_src} gt 1) {
$attr = ' [color="#808080"]';
}
STDOUT->print("\t\"" . $src . '" -> "' . $dep_src .
'"' . $attr . ";\n");
}
}
STDOUT->print("}\n");
return 0;
}
exit(main());
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