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#!/usr/bin/perl
use strict;
use warnings;
use JSON qw{ from_json };
use YAML qw{ Load };
# slurp the file
my $path = shift;
open my $fh, '<', $path or die "can't open $path: $!";
my $data = do { local $/; <$fh> };
close $fh;
# parse meta - either yaml or json
my $meta = $path =~ /\.yml$/
? Load( $data )
: from_json( $data );
# dump the requires with their version
my $requires = $meta->{"meta-spec"}{version} >= 2
? $meta->{prereqs}{runtime}{requires}
: $meta->{requires};
foreach my $module ( sort keys %$requires ) {
next if $module eq 'perl'; # minimum perl version
my $version = $requires->{$module};
if ( $version == 0 ) {
print "perl($module)\n";
} else {
my $v = qx{ rpm --eval '%perl_convert_version $version' };
print "perl($module) >= $v";
}
}
exit;
=head1 NAME
perl.req-from-meta - extract requires from meta file
=head1 SYNOPSIS
$ perl.req-from-meta /path/to/META.yml
$ perl.req-from-meta /path/to/META.json
=head1 DESCRIPTION
This script will extract Perl requirements from the distribution meta
file. For each such requires, it'll convert the minimum version to
follow Mageia perl versioning (using C<%perl_convert_version>), and
print them as:
perl(Foo::Bar)
perl(App::Frobnizer) >= 1.23.456
Minimum perl version are skipped.
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