Adding a NUR (Nix User Repository!)

[vsoch]

Hi! I'd like to install packages from a NUR: https://nur.nix-community.org/repos/rseops/ and just doing devbox add didn't work. I'm fairly new to this ecosystem, so apologizes in advance if I'm missing something obvious!

$ devbox add nur.repos.rseops.caliper
Error: package nur.repos.rseops.caliper not found

How do I tell devbox about this set of NUR repos? There are quite a few good packages there.

Update: this thread might have helpful hints for how we'd add it directly to nix: https://discourse.nixos.org/t/introducing-nur-the-nix-user-repostory-share-all-your-nix-expressions/431/5

Many thanks!