# File lib/common.rb, line 139
    def checkLog(opts, br1, br2, action_msg)
        puts "Diff between #{br1} and #{br2}"
        puts `git shortlog #{br1} ^#{br2}`
        return "n" if action_msg.to_s() == ""
        rep = confirm(opts, "#{action_msg} this branch")
        return rep
    end