Forward multiple ports from localhost to Vagrant

vforward.rb

#!/usr/bin/env ruby

# Description: Forwards one or more ports from your localhost to a Vagrant VM
# via ssh. Useful for viewing multiple dev applications in Vagrant at once.
#
# Installation:
#   $ mv vforward.rb /usr/bin/vforward
#   $ chmod +x /usr/bin/vforward
#
# Usage: vforward [ports ...]
#
# Example: vforward 3000 4000

def catch_interrupts
  begin
    yield
  rescue Interrupt
    exit
  end
end

ports = $* || [3000]

ports.each do |port|
  fork do
    puts "Forwarding port #{port} to Vagrant"
    catch_interrupts do
      system("vagrant ssh -- -N -L #{port}:localhost:#{port}")
    end
  end
end

puts "Ctrl-C to stop forwarding"
catch_interrupts do
  Process.waitall
end