
$NIXOS_CONFIG can be set to a directory, in which case the file used is $NIXOS_CONFIG/default.nix. This updates 'nixos-rebuild edit' to handle that case correctly.
*** 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.