{
  lib,
  config,
  util,
  ...
}: {
  # TODO: create all of the datasets from option and home-manager datasets
  # TODO: set up datasets for systemd services that want a dataset created
  config = lib.mkMerge [
    (
      lib.mkIf config.storage.zfs.enable (lib.mkMerge [
        {
          storage.zfs.datasets = {
            "persist/system/nix" = {
              type = "zfs_fs";
              mountpoint = "/nix";
              options = {
                atime = "off";
                relatime = "off";
                canmount = "on";
                "com.sun:auto-snapshot" = "false";
              };
            };
            "persist/system/var/log" = {
              type = "zfs_fs";
              mountpoint = "/var/log";
              options = {
                "com.sun:auto-snapshot" = "false";
              };
            };
          };
        }
        (util.mkUnless config.storage.impermanence.enable {
          # TODO: create datasets for systemd.services.<name>.storage.impermanence.datasets
          storage.zfs.datasets = {
            "persist/system/root" = {
              type = "zfs_fs";
              mountpoint = "/";
              canmount = "on";
            };
          };
        })
        (lib.mkIf config.storage.impermanence.enable {
          storage.impermanence.datasets = {
            "persist/system/root" = {
              type = "zfs_fs";
            };
          };
          storage.zfs.datasets = {
            "local/system/root" = {
              type = "zfs_fs";
              mountpoint = "/";
              options = {
                canmount = "on";
              };
              postCreateHook = ''
                zfs snapshot rpool/local/system/root@blank
              '';

              directories = {
                "/var/lib/nixos".enable = true;
                "/var/lib/systemd/coredump".enable = true;
              };
              files = {
                "/etc/machine-id".enable = true;
              };
            };
          };

          # TODO: home-manager.users.<user>.storage.impermanence.enable
          #   is false then persist the entire directory of the user
          #   if true persist home-manager.users.<user>.storage.impermanence.datasets
          # TODO: systemd.services.<name>.storage.datasets persists
        })
      ])
    )
    # TODO: configure other needed storage modes here
  ];
}