disko.nix

{ disko, ... }:

{
  imports = [
    disko.nixosModules.disko
  ];

  disko.devices = {
    disk = {
      nvme0n1 = {
        type = "disk";
        device = "/dev/nvme0n1";
        content = {
          type = "gpt";
          partitions = {
            ESP = {
              size = "512M";
              type = "EF00";
              content = {
                type = "filesystem";
                format = "vfat";
                mountpoint = "/boot";
                mountOptions = [ "umask=0077" ];
              };
            };
            swap = {
              size = "8G";
              content = {
                type = "swap";
              };
            };
            zfs = {
              size = "100%";
              content = {
                type = "zfs";
                pool = "rpool";
              };
            };
          };
        };
      };
    };
    zpool = {
      rpool = {
        type = "zpool";
        rootFsOptions = {
          mountpoint = "none";
          compression = "zstd";
          acltype = "posixacl";
          xattr = "sa";
          atime = "off";
        };
        options.ashift = "12";
        datasets = {
          "root" = {
            type = "zfs_fs";
            options.mountpoint = "none";
          };
          "root/nixos" = {
            type = "zfs_fs";
            mountpoint = "/";
          };
          "root/home" = {
            type = "zfs_fs";
            mountpoint = "/home";
          };
          "root/nix" = {
            type = "zfs_fs";
            mountpoint = "/nix";
          };
          "root/tmp" = {
            type = "zfs_fs";
            mountpoint = "/tmp";
          };

          "games" = {
            type = "zfs_fs";
            mountpoint = "/games";
            options.compression = "lz4";
          };
          "games/steam" = {
            type = "zfs_fs";
            mountpoint = "/games/steam";
          };
          "games/emulation" = {
            type = "zfs_fs";
            mountpoint = "/games/emulation";
            options.compression = "zstd";
          };
        };
      };
    };
  };
}