gistfile1.nix

{ config, pkgs, lib, ... }:
let
  post-device-cmds = pkgs.writeScript "post-device-commands"
    ''
      #!/bin/sh

      set -eux
      set -o pipefail

      ${pkgs.utillinux}/bin/lsblk -d -e 1,7,11 -o NAME -n \
        | ${pkgs.busybox}/bin/sed -e "s#^#/dev/#" \
        | ${pkgs.busybox}/bin/xargs ${pkgs.zfs}/bin/zpool \
            create -f -O mountpoint=none rpool

      ${pkgs.zfs}/bin/zfs create -o mountpoint=legacy rpool/nix
    '';
in {
  boot.supportedFilesystems = [ "zfs" ];
  boot.initrd.postDeviceCommands = "${post-device-cmds}";

  nixpkgs.config.allowUnfree = true;
  hardware.enableAllFirmware = true;
  services.openssh.enable = true;

  networking.hostId = "00000000";

  fileSystems."/nix/.rw-store" = {
    fsType = lib.mkForce "zfs";
    device = lib.mkForce "rpool/nix";
  };
}