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package Module::Install::TrustMetaYml;
use 5.005;
use strict;
BEGIN {
$Module::Install::TrustMetaYml::AUTHORITY = 'cpan:TOBYINK';
$Module::Install::TrustMetaYml::VERSION = '0.003';
}
use base qw(Module::Install::Base);
sub trust_meta_yml
{
my ($self, $where) = @_;
$where ||= 'META.yml';
$self->perl_version('5.005') unless defined $self->perl_version;
$self->include('YAML::Tiny', 0);
return $self if $self->is_admin;
require YAML::Tiny;
my $data = YAML::Tiny::LoadFile($where);
$self->perl_version($data->{requires}{perl} || '5.005');
KEY: foreach my $key (qw(requires recommends build_requires))
{
next KEY unless ref $data->{$key} eq 'HASH';
my %deps = %{$data->{$key}};
DEP: while (my ($pkg, $ver) = each %deps)
{
next if $pkg eq 'perl';
$self->$key($pkg, $ver);
}
}
return $self;
}
*trust_meta_yaml = \&trust_meta_yml;
1;
__END__
=encoding utf8
=head1 NAME
Module::Install::TrustMetaYml - trusts META.yml list of dependencies
=head1 SYNOPSIS
In Makefile.PL:
trust_meta_yml;
=head1 DESCRIPTION
CPAN doesn't trust C<META.yml>'s list of dependencies for a module. Instead it
expects C<Makefile.PL> run on the computer the package is being installed
upon to generate its own list of dependencies (called C<MYMETA.yml> or
C<MYMETA.json>).
This module is a Module::Install plugin that generates C<MYMETA.yml> by simply
passing through the dependencies from C<META.yml>.
It does nothing when run from the module author's development copy.
The module defines two functions which are aliases for each other:
=over
=item C<trust_meta_yml>
=item C<trust_meta_yaml>
=back
=head1 BUGS
Please report any bugs to
L<http://rt.cpan.org/Dist/Display.html?Queue=Module-Install-TrustMetaYml>.
=head1 SEE ALSO
L<Module::Install>, L<Module::Package::RDF>.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 CREDITS
Thanks to Chris Williams (BINGOS), Ingy döt Net (INGY) and Florian Ragwitz (FLORA)
for explaining the role of C<MYMETA.json>, and helping me figure out why mine
weren't working.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2011-2012 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=head1 DISCLAIMER OF WARRANTIES
THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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