#!/usr/bin/env ruby 

#--------------------
# duh, it's facter!
#
# $Id: facter,v 1.1.1.1 2004/03/21 21:06:27 luke Exp $

require 'getoptlong'
require 'facter'

$debug = 0

config = nil

result = GetoptLong.new(
    [ "--version",         "-v",     GetoptLong::NO_ARGUMENT ],
    [ "--help",		"-h",            GetoptLong::NO_ARGUMENT ],
    [ "--debug",	"-d",            GetoptLong::NO_ARGUMENT ],
    [ "--config",    "-c",           GetoptLong::REQUIRED_ARGUMENT ]
)

result.each { |opt,arg|
    case opt
        when "--version"
            puts "%s" % Facter.version
            exit
        when "--debug"
			Facter.debugging(1)
        when "--help"
            puts "There is no help yet"
            exit
        else
            $stderr.puts "Invalid option '#{opt}'"
            exit(12)
    end
}

names = []

unless config.nil?
	File.open(config) { |file|
		names = file.readlines.collect { |line|
			line.chomp
		}
	}
end

ARGV.each { |item|
	names.push item
}

facts = {}

if names.empty?
    Facter.each { |name,fact|
        facts[name] = fact
    }
else
    names.each { |name|
        begin
            facts[name] = Facter[name].value
        rescue => error
            STDERR.puts "Could not retrieve %s: #{error}" % name
            exit 10
        end
    }
end

facts.each { |name,value|
	puts "%s => %s" % [name,value]
}