Oh, yeah :)  Given that `-c` and `-f` are both taken, your proposal sounds good.
 
At first I tried using `-f` but that conflicted with the short form of `--force`.  (BTW, minor nit:  I don't like `--force` being a persistent flag, if only because it blocks documenting in the help the distinct behaviors for the flag with different commands.)  Anyway, in a rush, i switched to `-y` (thinking yml).