class GitScape
  def self.branch_diff(upstream, head)
    puts "#" * 80
    puts "# Commits on #{head} not on #{upstream}"
    puts "#" * 80
    puts
    `git cherry #{upstream} #{head}`.split("\n").select { |x| x.start_with? "+" }.each do |x|
      puts `git show -s --format=medium #{x.split(" ").last}`
      puts
      puts "-" * 80
      puts
    end
  end
end