That’s the kind of waste-of-time-with-computers nonsense I was talking about! Since almost all I know about Ruby I have learned from reading code, my hack-wildly-until-something-good-happens approach will likely land me in this situation again, and perhaps on code that’s not all in one file.
I do want to try to figure out how to be a better Git citizen, so I’ll see if I can make some of those incantations work. I poked a bit at the Google and Stackoverflow, but this looks like exactly what I wanted.