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dependencies.pl
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dependencies.pl
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#!/usr/bin/perl
=head1 Generate package dependencies
=cut
use strict;
use warnings;
use feature ":5.10";
## make sure this script also works when called from somewhere else
use FindBin qw($Bin);
use lib "$Bin";
use Getopt::Long;
use Data::Dumper;
use Cwd;
use JSON;
use Tools::NamedTree;
use Tools::PerlIndex;
# show help
my $usage = 0;
# ignore core packages present in this or higher
my $coreversion = 5;
# show only external dependencies
my $externals_only = 1;
GetOptions(
'help|h!' => \$usage,
'coreversion=i' => \$coreversion,
'ext|e!' => \$externals_only,
);
if ($usage) {
print <<END;
Package dependency finder. Will list all package dependencies for modules
found in subfolders of the current directory.
Options:
--coreversion x : hide perl internals present in version >=x (default: x=5)
--ext/-e : show only external references (to packages not found in the index)
END
exit 0;
}
## find all packages declared here
my $idx = Tools::PerlIndex->new();
my $deps = $idx->getDependencies($externals_only, $coreversion);
print to_json ($deps, {pretty => 1});