gistfile1.txt

potential_tag = ARGV[0]
if potential_tag =~ /^refs\/tags\/(.*)$/
  tag = $1
  tag_data = `git describe --tags #{tag}^`.strip
  tag_data =~ /(.*?)-([0-9]+)-([0-9a-g]{8,8})$/
  old_tag = $1
  commit_count = $2
  g_plus_hash = $3

  log = `git log --pretty=format:"<%s> by %an, committed by %cn on %ci (%h)" #{tag}~#{commit_count}^..#{tag}`
  IO.popen('sendmail -f [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]', 'w') do |io|
    io << "Subject: hi\n"
    io << "From: git\n"
    io << "To: you\n"
    io << "\n"
    io << log
    io << "\n"
    io << "\n"
    io << "-- \n"
    io << "git describe --tags #{tag}^\n"
    io << "git log #{tag}~#{commit_count}^..#{tag}\n"
    io << "\n"
  end
end