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#!/usr/bin/env perl
eval 'echo "Called with something not perl"' && exit 1 # Non-Perl protection.
if 0;
use 5.12.2;
use strict;
use warnings;
use FindBin;
use lib "$FindBin::Bin/lib";
use env::gentoo::perl_experimental;
use optparse;
use utf8;
use Data::Dump qw( pp );
use Gentoo::Overlay;
use Gentoo::Perl::Distmap;
use Gentoo::Perl::Distmap::RecordSet;
use Gentoo::Perl::Distmap::FromOverlay;
# FILENAME: aggregate_tree.pl
# CREATED: 29/02/12 07:37:54 by Kent Fredric (kentnl) <kentfredric@gmail.com>
# ABSTRACT: Connect all the cpan id's from the metadata.xml
use XML::Smart;
my ( $env, $cat , $dm );
main();
sub main {
$env = env::gentoo::perl_experimental->new();
my $opts = optparse->new(
argv => \@ARGV,
help => sub { print <DATA>; return },
);
my $tree;
if ( $opts->long_opts->{'from-ini'} ) {
require Gentoo::Overlay::Group::INI;
$tree = Gentoo::Overlay::Group::INI->load_named('aggregate_tree')->overlay_group;
}
else {
require Gentoo::Overlay::Group;
$tree = Gentoo::Overlay::Group->new();
$tree->add_overlay( set_root( $opts->long_opts->{root} ));
}
my $dest = open_output( $opts->long_opts->{output} );
my $mapper = Gentoo::Perl::Distmap::FromOverlay->new( overlay => $tree );
$|++;
local *Gentoo::Perl::Distmap::FromOverlay::_on_enter_category = sub {
print "\r" . $_[1] . ' ';
print "\r" . $_[1] . ' ';
};
my @symbols = ( '/' , '-', '\\', '|' );
local *Gentoo::Perl::Distmap::FromOverlay::_on_enter_package = sub {
my $next_symbol = shift @symbols;
push @symbols, $next_symbol;
print $next_symbol . "\b";
};
local *Gentoo::Perl::Distmap::FromOverlay::_on_enter_ebuild = sub {
print ".> \b\b" ;
};
$dm = $mapper->distmap;
$dest->print( make_format( $opts->long_opts->{format} ) );
}
sub set_root {
my ($root) = @_;
return $env->root unless defined $root;
require Path::Class::Dir;
return Path::Class::Dir->new($root);
}
sub open_output {
my ($output) = @_;
return \*STDOUT if not defined $output;
return \*STDOUT if $output eq '-';
require Path::Class::File;
my $file = Path::Class::File->new($output)->absolute();
return $file->openw( iomode => ':utf8' );
}
sub make_format {
my ($format) = @_;
$format ||= 'JSON';
if ( $format eq 'JSON' ) {
goto &make_format_json;
}
if ( $format eq 'distlist' ) {
goto &make_format_distlist;
}
die "Unknown format type " . $format;
}
sub make_format_json {
return $dm->save( string =>, );
}
sub make_format_distlist {
return join qq{\n}, $dm->mapped_dists;
}
0;
__DATA__
This script scrapes the perl repository and finds all the metadata.xml files
and makes a mapping file connecting categories to upstream dists.
Usage:
aggregate_tree.pl
By default uses the perl-experimental overlay as a working dir, and emits JSON to stdout
aggregate_tree.pl
--root="/path/to/some/root"
Specifiy another root to scan ( ie: /usr/portage )
--from-ini
Get the overlays to scan from a configuration named 'aggregate_tree' in a config
loaded by Gentoo::Overlay::Group::INI
ie: ~/.config/Perl/Gentoo-Overlay-Group-INI/config.ini
[Overlays / aggregate_tree]
directory = /var/paludis/repositories/perl-git/
directory = /usr/portage/
--format=JSON # Emit JSON ( Default )
--format=distlist # Emit a list of CPAN Dist Names
--output=- # Write to standard output ( Default )
--output="/path/to/file" # Write to the specified file
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