post-checkout

#!/usr/bin/env ruby

require "fileutils"

@current_path = File.dirname(__FILE__)

def database_config(branch)
  "#{current_path}/../database_configs/#{branch}.yml"
end

def current_path
  @current_path
end

new_ref = ARGV[1]

if new_ref
  new_branch = `git name-rev #{new_ref}`.split[1]
  return unless new_branch
  
  if File.exist?(database_config(new_branch))
    puts "#{File.basename(__FILE__)}: Symlinking database config for #{new_branch}"
    FileUtils.ln_sf database_config(new_branch), "#{@current_path}/../../config/database.yml"
  end
end