main
 1{
 2  globals,
 3  hostname,
 4  libx,
 5  ...
 6}:
 7{
 8  users.users.root = {
 9    openssh.authorizedKeys.keys = libx.authorizedKeysFor globals.ssh.vincent hostname "root" ++ [
10      globals.machines.shikoku.ssh.vincent
11    ];
12  };
13}