# File lib/hoe.rb, line 840
  def timebomb n, m, finis = nil, start = nil
    require "time"
    finis = Time.parse(finis || "#{Time.now.year}-12-31")
    start = Time.parse(start || "#{Time.now.year}-01-01")
    rest  = (finis - Time.now)
    full  = (finis - start)

    [((n - m) * rest / full).to_i + m, m].max
  end