{ config, pkgs, ... }: 
  let 
    grub-theme-ascii-diana = (pkgs.fetchFromGitea {
       domain = "git.nx2.site";
       owner = "nx2";
       repo = "grub-theme-ascii-diana";
       rev = "0.5.0";
       hash = "sha256-e+55NYsSsWY6GPbYUtdVEB9krueuCAWT3Ce/Ghops1g=";
     });
  in 
{
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.grub = {
    enable = true;
    configurationLimit = 30;
#    device = "/dev/nvme0n1p1";
    device = "nodev";
    # useOSProber = true;
    efiSupport = true;
    # theme = pkgs.sleek-grub-theme;
    theme = grub-theme-ascii-diana;
    font = "${grub-theme-ascii-diana}/unicode.pf2";
    fontSize = 50;
    splashImage = null;
 
    extraEntries = ''
      menuentry 'Windows 11' --class windows --class os $menuentry_id_option 'osprober-efi-0A97-7A2D' {
        insmod part_gpt
        insmod fat
        search --no-floppy --fs-uuid --set=root 0A97-7A2D
        chainloader /EFI/Microsoft/Boot/bootmgfw.efi
      }
      menuentry 'Arch Linux ' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-0c11547f-0294-419b-93d0-45c6d1f1c546' {
        insmod part_gpt
        insmod ext2
        search --no-floppy --fs-uuid --set=root 0c11547f-0294-419b-93d0-45c6d1f1c546
        linux /boot/vmlinuz-linux-lts root=UUID=0c11547f-0294-419b-93d0-45c6d1f1c546 rw loglevel=3 quiet splash snd_hda_intel.dmic_detect=0
        initrd /boot/intel-ucode.img /boot/initramfs-linux-lts.img
      }
      submenu 'Arch (A.O.)' $menuentry_id_option 'osprober-gnulinux-advanced-0c11547f-0294-419b-93d0-45c6d1f1c546' {
        menuentry 'Arch Linux (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-linux-lts--0c11547f-0294-419b-93d0-45c6d1f1c546' {
          insmod part_gpt
          insmod ext2
          search --no-floppy --fs-uuid --set=root 0c11547f-0294-419b-93d0-45c6d1f1c546
          linux /boot/vmlinuz-linux-lts root=UUID=0c11547f-0294-419b-93d0-45c6d1f1c546 rw loglevel=3 quiet splash snd_hda_intel.dmic_detect=0
          initrd /boot/intel-ucode.img /boot/initramfs-linux-lts.img
        }
        menuentry 'Arch Linux, with Linux linux-lts (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-linux-lts--0c11547f-0294-419b-93d0-45c6d1f1c546' {
          insmod part_gpt
          insmod ext2
          search --no-floppy --fs-uuid --set=root 0c11547f-0294-419b-93d0-45c6d1f1c546
          linux /boot/vmlinuz-linux-lts root=UUID=0c11547f-0294-419b-93d0-45c6d1f1c546 rw loglevel=3 quiet splash snd_hda_intel.dmic_detect=0
          initrd /boot/intel-ucode.img /boot/initramfs-linux-lts.img
        }
        menuentry 'Arch Linux, with Linux linux-lts (fallback initramfs) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-linux-lts--0c11547f-0294-419b-93d0-45c6d1f1c546' {
          insmod part_gpt
          insmod ext2
          search --no-floppy --fs-uuid --set=root 0c11547f-0294-419b-93d0-45c6d1f1c546
          linux /boot/vmlinuz-linux-lts root=UUID=0c11547f-0294-419b-93d0-45c6d1f1c546 rw loglevel=3 quiet splash snd_hda_intel.dmic_detect=0
          initrd /boot/intel-ucode.img /boot/initramfs-linux-lts-fallback.img
        }
        menuentry 'Arch Linux, with Linux linux (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-linux--0c11547f-0294-419b-93d0-45c6d1f1c546' {
          insmod part_gpt
          insmod ext2
          search --no-floppy --fs-uuid --set=root 0c11547f-0294-419b-93d0-45c6d1f1c546
          linux /boot/vmlinuz-linux root=UUID=0c11547f-0294-419b-93d0-45c6d1f1c546 rw loglevel=3 quiet splash snd_hda_intel.dmic_detect=0
          initrd /boot/intel-ucode.img /boot/initramfs-linux.img
        }
        menuentry 'Arch Linux, with Linux linux (fallback initramfs) (on /dev/nvme0n1p5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-linux--0c11547f-0294-419b-93d0-45c6d1f1c546' {
          insmod part_gpt
          insmod ext2
          search --no-floppy --fs-uuid --set=root 0c11547f-0294-419b-93d0-45c6d1f1c546
          linux /boot/vmlinuz-linux root=UUID=0c11547f-0294-419b-93d0-45c6d1f1c546 rw loglevel=3 quiet splash snd_hda_intel.dmic_detect=0
          initrd /boot/intel-ucode.img /boot/initramfs-linux-fallback.img
        }
      }
    '';
  };
}