{
  disko.devices = {
    disk = {
      disk1 = {
        device = "/dev/sda";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            # legacy boot
            boot = {
              name = "boot";
              size = "1M";
              type = "EF02";
            };

            # efi boot
            esp = {
              name = "ESP";
              size = "512M";
              type = "EF00";
              content = {
                type = "filesystem";
                format = "vfat";
                mountpoint = "/boot";
              };
            };

            # btrfs
            # root is on nodev
            root = {
              size = "100%";
              content = {
                extraArgs = ["-f"]; # internet told me to, works
                type = "btrfs";
                subvolumes = {
                  # nix store
                  "/nix" = {
                    mountpoint = "/nix";
                  };

                  # persistant directory
                  "/persist" = {
                    mountpoint = "/persist";
                  };
                };
              };
            };
          };
        };
      };
    };
    nodev = {
      # root
      "/" = {
        fsType = "tmpfs";
        mountOptions = [
          "defaults"
          "mode=755" # stops security complaints
        ];
      };
    };
  };
}