# Usage: sake pastie:patch PASTE=12345
desc "Apply a patch directly from Pastie"
task 'pastie:patch' do
  require 'open-uri'

  pastie_url = 'http://pastie.caboo.se/%s.txt'
  patch_id   = ENV['PASTE'].gsub(/\D/, '')

  patch = open(pastie_url % patch_id).read

  File.open('patch.diff', 'w+') do |f|
    f.puts patch
  end

  `patch -p0 < patch.diff && rm patch.diff`

  puts "Patched with pastie ##{patch_id}."
end