{ ... }:
let
  trustedFriendGroups = [
    "production-hydra-db"
  ];
in
{
  # deleted users: ninjatrappeur, flokli
  users.users = {
    linus = {
      isNormalUser = true;
      home = "/home/linus";
      shell = "/run/current-system/sw/bin/zsh";
      uid = 2001;
      # Raito: I allowed linus to be root to get some stuff done
      # on behalf of me.
      extraGroups = [ "wheel" ] ++ trustedFriendGroups;
      openssh.authorizedKeys.keyFiles = [ ./keys/linus.keys ];
    };
    niklas = {
      isNormalUser = true;
      home = "/home/niklas";
      shell = "/run/current-system/sw/bin/zsh";
      uid = 2002;
      extraGroups = trustedFriendGroups;
      openssh.authorizedKeys.keyFiles = [ ./keys/niklas.keys ];
    };
    # Raito: Permanent account for Jade who has been driving a lot of good work.
    # expires = 2060 because of a convergence bug, I cannot remove the expiration date anymore.
    jade = {
      isNormalUser = true;
      home = "/home/jade";
      shell = "/run/current-system/sw/bin/zsh";
      uid = 2004;
      expires = "2060-05-01";
      extraGroups = trustedFriendGroups;
      openssh.authorizedKeys.keys = [
        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDNldAg4t13/i69TD786The+U3wbiNUdW2Kc9KNWvEhgpf4y4x4Sft0oYfkPw5cjX4H3APqfD+b7ItAG0GCbwHw6KMYPoVMNK08zBMJUqt1XExbqGeFLqBaeqDsmEAYXJRbjMTAorpOCtgQdoCKK/DvZ51zUWXxT8UBNHSl19Ryv5Ry5VVdbAE35rqs57DQ9+ma6htXnsBEmmnC+1Zv1FE956m/OpBTId50mor7nS2FguAtPZnDPpTd5zl9kZmJEuWCrmy6iinw5V4Uy1mLeZkQv+/FtozbyifCRCvps9nHpv4mBSU5ABLgnRRvXs+D41Jx7xloNADr1nNgpsNrYaTh hed-bot-ssh-tpm-rsa"
        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIKYljH8iPMrH00lOb3ETxRrZimdKzPPEdsJQ5D5ovtOwAAAACnNzaDpzc2hrZXk= ssh:sshkey"
        "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBO4idMfdJxDJuBNOid60d4I+qxj09RHt+YkCYV2eXt6tGrEXg+S8hTQusy/SqooiXUH9pt4tea2RuBPN9+UwrH0= type-a yubikey slot 9a"
        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHGIBMfUypLctmorlRz9xIzXRgmtqDMxF5T5Fxy4JxNb root@tail-bot"
      ];
    };
    # Raito: Permanent account for winter, she was the one in charge of the Darwin build box for a while,
    # helped a bunch of people and deserve it :-).
    # expires = 2060 because of a convergence bug, I cannot remove the expiration date anymore.
    winter = {
      isNormalUser = true;
      home = "/home/winter";
      shell = "/run/current-system/sw/bin/zsh";
      uid = 2005;
      expires = "2060-05-01";
      extraGroups = trustedFriendGroups;
      openssh.authorizedKeys.keys = [
        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIH/LDRUG+U+++UmlxvA2kspioTjktQZ8taDcHq8gVlkfAAAABHNzaDo="
      ];
    };
    # Raito: Permanent account for pennae, they are doing a bunch of excellent Nix work (including performance).
    pennae = {
      isNormalUser = true;
      home = "/home/pennae";
      shell = "/run/current-system/sw/bin/zsh";
      uid = 2006;
      # Raito: Allowed to debug jobserver.
      extraGroups = [ "wheel" ] ++ trustedFriendGroups;
      openssh.authorizedKeys.keys = [
        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIC5Wf5/IbyFpdziWfwxkQqxOf3r1L9pYn6xQBEKFwmMY"
        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIK8icXjHkb4XzbIVN3djH4CE7RvgGd+3xbG4cgh0Yls5AAAABHNzaDo="
      ];
    };
  };
}