This is neat. I added inline dependency metadata so you can run it using `uv run` without having to install it first:

uv run 'http's://gist.githubusercontent.com/simonw/848a3b91169a789bc084a459aa7ecf83/raw/44fe7e0b326832e88beb83748b50104e5e7f70d0/follow_theirs.py

https://gist.github.com/simonw/848a3b91169a789bc084a459aa7ecf83