Ability to provide password and "copy your ssh key" via command line switch

This has been bothering me for a while now.

It would be great if you could specify in the pmbootstrap install command something like --password=pw123 and --copy-ssh-key=no to eliminate the two prompts that exist in the pmbootstrap install command. The ssh key switch should be doable fairly easy because it's fully implemented in Python but the passwd command unfortunately doesn't accept a password as argument.