Nox creates a checkout of Nixpkgs in its config folder, ~/.nox/nixpkgs in my case (NixOS 17.03.1482.1b57bf274a), then it uses it but doesn't notify you when it is, leading to very confusing errors like:
nox-review wip --against release-17.03
==> We're in a git repo, trying to fetch it
fatal: reference is not a tree: release-17.03
Nox creates a checkout of Nixpkgs in its config folder,
~/.nox/nixpkgs
in my case (NixOS 17.03.1482.1b57bf274a), then it uses it but doesn't notify you when it is, leading to very confusing errors like:This seems to be what's happening in #43.