8d05772134
This was broken in 460c0d6 (PR #90431); now the nixos-unstable channel should get unblocked. vcunat modified this commit to use env-var instead of hardcoding /build
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.