ultima/modules/nixos/hardware/disko/default.nix

{
  x,
  inputs,
  lib,
  config,
  ...
}:
with lib;
with x;
let
  cfg = config.module.hardware.disko;
  device = "${disk}";
in
{
  options = {
    module.hardware.disko = {
      enable = mkBool;
    };
  };

  imports = with inputs; [
    disko.nixosModules.default
  ];
  config = mkIf cfg.enable {
    disko.devices.disk.main = {
      inherit device;
      type = "disk";
      content = {
        type = "gpt";
        partitions = {
          esp = {
            name = "esp";
            size = "512M";
            type = "EF00";
            content = {
              type = "filesystem";
              format = "vfat";
              mountpoint = "/boot";
              mountOptions = [
                "umask=0077"
                "fmask=0077"
                "dmask=0077"
              ];
            };
          };
          root = {
            name = "nixos";
            size = "100%";
            content = {
              type = "btrfs";
              extraArgs = [ "-f" ];
              subvolumes = {
                "/rootfs".mountpoint = "/";
                "/home" = {
                  mountpoint = "/home";
                  mountOptions = [ "compress=zstd:5" ];
                };
                "/nix" = {
                  mountpoint = "/nix";
                  mountOptions = [
                    "compress=zstd:5"
                    "noatime"
                  ];
                };
                "/persist" = {
                  mountpoint = "/persist";
                  mountOptions = [
                    "compress=zstd:5"
                    "noatime"
                  ];
                };
              };
            };
          };
        };
      };
    };
  };
}