If you use Arch Linux, you can get some of the advantages of NixOS using aconfmgr. It maintains the property that if something is not in the configuration file,

If you use Arch Linux, you can get some of the advantages of NixOS using aconfmgr. It maintains the property that if something is not in the configuration file, it's not on the system; but, it builds upon that in that it still allows you to mutate the system (using e.g. a package manager) and later transcribe those edits to the configuration (or revert them). https://github.com/CyberShadow/aconfmgr https://github.com/CyberShadow/aconfmgr