# Pastebin abynmxcz
bkolera at bkolera in ~
$ ls /etc/nixos/
configuration.nix  hardware-configuration.nix  thunk.json

bkolera at bkolera in ~
$ cat /etc/nixos/configuration.nix
let thunk = builtins.fromJSON (builtins.readFile /etc/nixos/thunk.json);
in (import (builtins.fetchGit {
  inherit (thunk) url rev;
})) "p50"

bkolera at bkolera in ~
$ cat /etc/nixos/hardware-configuration.nix
# Do not modify this file!  It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations.  Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, ... }:

{
  imports =
    [ <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
    ];

  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
  boot.kernelModules = [ "kvm-intel" ];
  boot.extraModulePackages = [ ];

  fileSystems."/" =
    { device = "/dev/disk/by-uuid/fefe22e1-5ee3-4f62-a008-714da364d045";
      fsType = "ext4";
    };

  fileSystems."/boot" =
    { device = "/dev/disk/by-uuid/977D-89D2";
      fsType = "vfat";
    };

  swapDevices =
    [ { device = "/dev/disk/by-uuid/1b4d9dd1-69d1-4c81-b7e4-2d31d5b497cd"; }
    ];

  nix.maxJobs = lib.mkDefault 8;
  powerManagement.cpuFreqGovernor = "powersave";
}

bkolera at bkolera in ~
$ cat /etc/nixos/thunk.json
{
  "url": "https://github.com/benkolera/nix",
  "rev": "6354ee08d37f5171522e1da5cf8fdd03c20bee8d",
  "date": "2019-06-27T14:28:14+10:00",
  "sha256": "0qssl6q6cb6b8ym7a6hvzm4jqw431z5gjdlip7qqdgipl8im3ibp",
  "fetchSubmodules": false
}