anchor.diff:    ###### implementation
   
     config = {
  +
  +    nix.chrootDirs = [ "/dev" "/dev/pts" "/proc" "/bin" ];
   
       environment.etc =
         [ { # Nix configuration.
  
positive.code:                 build-users-group = nixbld
                  build-max-jobs = ${toString (config.nix.maxJobs)}
                  build-use-chroot = ${if config.nix.useChroot then "true" else "false"}
                  build-chroot-dirs = /dev /dev/pts /proc /bin $(echo $extraPaths) ${builtins.toString config.nix.extraChrootPaths}
                  $extraOptions
                  END
                '';
  
negative.code:         ";
        };
        
        distributedBuilds = mkOption {
          default = false;
          description = "
  