CrOS/hosts/common/core/impermanence.nix

{
  lib,
  config,
  ...
}:
lib.mkIf config.hostSpec.isImpermanent {
  environment.persistence.${config.hostSpec.persistFolder} = {
    enable = true;
    directories = [
      "/var/log"
      "/var/lib/bluetooth"
      "/var/lib/nixos"
      "/var/lib/systemd/coredump"
      "/etc/NetworkManager/system-connections"
    ];
    files = [
      "/etc/machine-id"
    ];
    users.${config.hostSpec.username} = {
      directories = [
        "Downloads"
        "Music"
        "Pictures"
        "Documents"
        "Videos"
        "VirtualBox VMs"
        {
          directory = ".gnupg";
          mode = "0700";
        }
        {
          directory = ".ssh";
          mode = "0700";
        }
        {
          directory = ".nixops";
          mode = "0700";
        }
        {
          directory = ".local/share/keyrings";
          mode = "0700";
        }
        ".local/share/direnv"
      ];
      files = [
        ".screenrc"
      ];
    };
  };
}