SlayMakefile

#
# $Id: SlayMakefile,v 2.4 2007/10/09 10:14:11 eserte Exp $
#

{
	use lib "lib";
	use CPAN::Kwalify;
	use Data::Dumper;
	use Kwalify qw(validate);
	if (eval { require YAML::XS; 1 }) {
		YAML::XS->import('LoadFile');
	} elsif (eval { require YAML::Syck; 1 }) {
		YAML::Syck->import('LoadFile');
	} else {
		die "Could not find a YAML::xxxx::LoadFile to import";
	}
}

all:

dd-prefs: { map { s{\.yml$}{.dd}; $_ } glob("distroprefs/*.yml lib/CPAN/Kwalify/distroprefs.yml") }

%.dd: %.yml
	{
		my($self, $target) = @_;
		(my $base = $target) =~ s{\.dd$}{};
		my $file = $base . ".yml";
	       	print STDERR "$base...\n";
		my @y = LoadFile($file);
		open my $ofh, ">", "$target~" or die $!;
		print $ofh Data::Dumper->new(\@y)->Indent(1)->Useqq(1)->Purity(1)->Sortkeys(1)->Dump or die $!;
		close $ofh or die $!;
		rename "$target~", $target or die $!;
		return; # note: return value gets printed!
	}

validate:
	{
		my $errors = 0; my $files = 0; my $perrors = 0;
		my $distroprefs_path = $INC{"CPAN/Kwalify.pm"};
		$distroprefs_path =~ s{\.pm$}{/distroprefs.yml};
		my $schema = LoadFile($distroprefs_path);
		for my $yml (glob("distroprefs/*.yml")) {
			$files++;
			my $data = eval { LoadFile($yml) };
			if (!$data or $@) {
				$perrors++;
				warn "Parse error in $yml: '$@'\n";
				next;
			}
			$errors++ if (!validate($schema, $data));
		}
		if ($perrors||$errors) { die "Found $perrors parse errors and $errors validate errors in $files files" }
		else { "Validation OK ($files files).\n" }
	}

# Local Variables:
# mode: cperl
# cperl-indent-level: 8
# indent-tabs-mode: t
# End: