gistfile1.rbx

#
# usage: ruby this_script.rb | git am --3way
#
require 'net/imap'
require 'rubygems'
require 'activesupport'

id = 'your.gmail.id'
pass = 'your.gmail.pass'

imap = Net::IMAP.new('imap.gmail.com', 993, true)
imap.login(id, pass)

begin
  # select(read-only), examine(read-write)
  imap.select('INBOX')

  # search INBOX with criteria
  criteria = []
  criteria << 'SUBJECT' << '[PATCH]'
  criteria << 'NOT' << 'ANSWERED'
  criteria << 'SINCE' << 2.days.ago.strftime('%d-%b-%Y')
  message_ids = imap.search(criteria)

  exit(1) if message_ids.empty?

  # TODO: how about multiple patch mails? reverse_each?
  data = imap.fetch(message_ids[0], 'RFC822')
  plain_mail = data[0].attr['RFC822'].gsub(/\r$/, '')
  puts plain_mail
ensure
  imap.disconnect
end