When running mkrc with --help after a filename, the mv help is prefixed and directories are created in the .dotfiles directory (.rcm in my case) with the directory names being the text of the dirname usage message.

This is clearly not intended behavior, though it was a rather amusing bug to find. This is hopefully an easy fix, if not maybe I'll have time to take a look and open a PR someday.

Attached is a terminal log of the issue.
lol-rcm.txt