# Arguments: [0] the prompt string
# [1] if there is a U in the prompt and $force_update is true
# [2] if there is a C in the prompt and $force_continue is true
# Arguments: [0] the prompt string
# [1] if there is a U in the prompt and $force_update is true
# [2] if there is a C in the prompt and $force_continue is true