There are a few solutions to this, but I keep separate configs for each device and link them into the entrypoint (/etc/nixos/configuration.nix) as-needed when I

There are a few solutions to this, but I keep separate configs for each device and link them into the entrypoint (/etc/nixos/configuration.nix) as-needed when I set things up. Then I have other "module" files for my terminal environment and my desktop environment, as well as an extra file that enables Wine/gaming packages.