diff options
Diffstat (limited to 'nixpkgs/nixos/modules/tasks/network-interfaces.nix')
| -rw-r--r-- | nixpkgs/nixos/modules/tasks/network-interfaces.nix | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/nixos/modules/tasks/network-interfaces.nix b/nixpkgs/nixos/modules/tasks/network-interfaces.nix index a28111049447..78d669669499 100644 --- a/nixpkgs/nixos/modules/tasks/network-interfaces.nix +++ b/nixpkgs/nixos/modules/tasks/network-interfaces.nix @@ -381,7 +381,7 @@ in # syntax). Note: We also allow underscores for compatibility/legacy # reasons (as undocumented feature): type = types.strMatching - "^[[:alpha:]]([[:alnum:]_-]{0,61}[[:alnum:]])?$"; + "^$|^[[:alpha:]]([[:alnum:]_-]{0,61}[[:alnum:]])?$"; description = '' The name of the machine. Leave it empty if you want to obtain it from a DHCP server (if using DHCP). The hostname must be a valid DNS label (see |