Nix-Darwin completely broke on my not at all locked down fresh out of the box from Apple work Mac, refusing to uninstall itself even, so I had to wipe and reinstall macOS. (It was a new machine, so it wasn't a huge deal, but I'd really wanted it to work.)
for future reference you should really consider installing it with the determinate nix installer [0] instead. it's multi-platform and among other things creates an install receipt so that changes can be painlessly reverted.
Fairly sure that is what I used, though I remember being confused about whether Determinate Systems was the legit way, or super opinionated not necessarily most supported way, which was going to be least friction/widest adoption, etc.
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Nix-Darwin completely broke on my not at all locked down fresh out of the box from Apple work Mac, refusing to uninstall itself even, so I had to wipe and reinstall macOS. (It was a new machine, so it wasn't a huge deal, but I'd really wanted it to work.)
for future reference you should really consider installing it with the determinate nix installer [0] instead. it's multi-platform and among other things creates an install receipt so that changes can be painlessly reverted.
[0] https://determinate.systems/nix-installer/
Fairly sure that is what I used, though I remember being confused about whether Determinate Systems was the legit way, or super opinionated not necessarily most supported way, which was going to be least friction/widest adoption, etc.