›nix flake check
warning: Git tree '/home/kanashimia/nixos' is dirty
error:
       Failed assertions:
       - networking.useDHCP is not supported by networkd.
       Please use per interface configuration and set the global option to false.

       - The ‘fileSystems’ option does not specify your root file system.
       - You must set the option ‘boot.loader.grub.devices’ or 'boot.loader.grub.mirroredBoots' to make the system bootable.
(use '--show-trace' to show detailed location information)