#!/usr/bin/ruby

module Puppet::Parser::Functions
  newfunction(:validate, :type => :rvalue) do |args|
        content = args[0]
        checkscript = args[1]

        # Test content in a temporary file
        tmpfile = Tempfile.new("puppet")
        tmpfile.write(content)
        tmpfile.close
        checkcmd=checkscript+" "+tmpfile.path
        system(checkcmd)
        if $?==0
               return(content)
        end
        raise Puppet::ParseError, "could not validate content with command "+checkscript
  end
end