
The nixbld group doesn't need read permission, it only needs write and execute permission. (cherry picked from commit 066758758e7c0768ff8da51d208cdae0f33b368c)
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.