{ user ? throw "user argument is required", home ? throw "home argument is required", }: { config, lib, pkgs, ... }: { environment.persistence."/persist"."${home}/.ssh/known_hosts" = { }; home-manager.users.${user} = { programs.ssh = { enable = true; addKeysToAgent = "yes"; }; services.ssh-agent.enable = true; }; }