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	} else {
		warn "Cannot determine perl version info from $_[0]\n";
		return;
	}
}

sub author_from {
	my $self    = shift;
	my $content = Module::Install::_read($_[0]);
	if ($content =~ m/
		=head \d \s+ (?:authors?)\b \s*
		([^\n]*)
		|
		=head \d \s+ (?:licen[cs]e|licensing|copyright|legal)\b \s*
		.*? copyright .*? \d\d\d[\d.]+ \s* (?:\bby\b)? \s*
		([^\n]*)
	/ixms) {
		my $author = $1 || $2;
		$author =~ s{E<lt>}{<}g;
		$author =~ s{E<gt>}{>}g;
		$self->author($author);
	} else {
		warn "Cannot determine author info from $_[0]\n";
	}
}

sub license_from {
	my $self = shift;
	if (
		Module::Install::_read($_[0]) =~ m/
		(
			=head \d \s+
			(?:licen[cs]e|licensing|copyright|legal)\b
			.*?
		)
		(=head\\d.*|=cut.*|)
		\z
	/ixms ) {
		my $license_text = $1;
		my @phrases      = (
			'under the same (?:terms|license) as perl itself' => 'perl',        1,
			'GNU general public license'                      => 'gpl',         1,
			'GNU public license'                              => 'gpl',         1,
			'GNU lesser general public license'               => 'lgpl',        1,
			'GNU lesser public license'                       => 'lgpl',        1,
			'GNU library general public license'              => 'lgpl',        1,
			'GNU library public license'                      => 'lgpl',        1,
			'BSD license'                                     => 'bsd',         1,
			'Artistic license'                                => 'artistic',    1,
			'GPL'                                             => 'gpl',         1,
			'LGPL'                                            => 'lgpl',        1,
			'BSD'                                             => 'bsd',         1,
			'Artistic'                                        => 'artistic',    1,
			'MIT'                                             => 'mit',         1,
			'proprietary'                                     => 'proprietary', 0,
		);
		while ( my ($pattern, $license, $osi) = splice(@phrases, 0, 3) ) {
			$pattern =~ s{\s+}{\\s+}g;
			if ( $license_text =~ /\b$pattern\b/i ) {
				if ( $osi and $license_text =~ /All rights reserved/i ) {
					print "WARNING: 'All rights reserved' in copyright may invalidate Open Source license.\n";
				}
				$self->license($license);
				return 1;
			}
		}
	}

	warn "Cannot determine license info from $_[0]\n";
	return 'unknown';
}

sub bugtracker_from {
	my $self    = shift;
	my $content = Module::Install::_read($_[0]);
	my @links   = $content =~ m/L\<(http\:\/\/rt\.cpan\.org\/[^>]+)\>/g;
	unless ( @links ) {
		warn "Cannot determine bugtracker info from $_[0]\n";
		return 0;
	}
	if ( @links > 1 ) {
		warn "Found more than on rt.cpan.org link in $_[0]\n";
		return 0;
	}

	# Set the bugtracker
	bugtracker( $links[0] );
	return 1;
}

sub install_script {
	my $self = shift;
	my $args = $self->makemaker_args;
	my $exe  = $args->{EXE_FILES} ||= [];
        foreach ( @_ ) {
		if ( -f $_ ) {
			push @$exe, $_;
		} elsif ( -d 'script' and -f "script/$_" ) {
			push @$exe, "script/$_";
		} else {
			die("Cannot find script '$_'");
		}
	}
}

1;