Fix for windows to install compass, if you spot WARNING: : SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed ; Once downloaded - run set SSL_CERT_FILE=C:\Ruby200-x64\cacert.pem

SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B

require 'net/http'
 
# create a path to the file "C:\Ruby200-x64\cacert.pem"
cacert_file = File.join(%w{c: Ruby200-x64 cacert.pem})
 
Net::HTTP.start("curl.haxx.se") do |http|
  resp = http.get("/ca/cacert.pem")
  if resp.code == "200"
    open(cacert_file, "wb") { |file| file.write(resp.body) }
    puts "\n\nA bundle of certificate authorities has been installed to"
    puts "C:\\Ruby200-x64\\cacert.pem\n"
    puts "* Please set SSL_CERT_FILE in your current command prompt session with:"
    puts "     set SSL_CERT_FILE=C:\\Ruby200-x64\\cacert.pem"
    puts "* To make this a permanent setting, add it to Environment Variables"
    puts "  under Control Panel -> Advanced -> Environment Variables"
  else
    abort "\n\n>>>> A cacert.pem bundle could not be downloaded."
  end
end