#See http://programblings.com/2008/04/11/irbrc-for-the-runtime-tramp/ 
# for more information on tramp_require :-)

def tramp_require(what, &block)
  loaded, require_result = false, nil

  begin
    puts('', "requiring #{what}") if $debug_irbrc
    require_result = require what
    loaded = true
    puts "successfully required #{what}" if $debug_irbrc

  rescue Exception => ex
    puts "** Unable to require '#{what}'"
    exception_details = "#{ex.class}: #{ex.message}"
    if $debug_irbrc
      ex.backtrace.reverse.each{|l| exception_details << "\n   #{l}"}
    else
      exception_details.insert(0, "--> ")
    end
    puts exception_details
  end

  if loaded and block_given?
    puts "executing block for #{what}" if $debug_irbrc
    yield
  end

  require_result
end