install.sh

#!/bin/sh

sudo mv /usr/bin/xdg-open /usr/bin/xdg-open.bak
sudo curl https://gist.github.com/weapp/4717249/raw/16b3ce7ae4c4e63162ca0d9e47b2805d410bfa14/xdg-open.rb -o /usr/bin/xdg-open
sudo chmod a+x /usr/bin/xdg-open

xdg-open.rb

#!/usr/bin/env ruby

require 'cgi'
require 'uri'

def parse(text)
  uri = URI(text)
  info = CGI::parse uri.query
  info['url'] = URI(info['url'][0]).path
  info
end

def launch(path, line)
  system "subl #{path}:#{line}"
end

address = ARGV.first

if address =~ /^subl\:\/\//
  result = parse(address)
  launch result['url'], result['line']
else
  system "/usr/bin/xdg-open.bak #{address}"
end