gistfile1.txt

[
    "sgdisk" "--new=1:0:512M" "--change-name=1:BIOS" "--typecode=1:ef00" "/dev/sdb",
    "sgdisk" "--new=2:0:3993600" "--change-name=2:SWAP" "--typecode=2:8300" "/dev/sdb",
    "sgdisk" "--new=3:0:0" "--change-name=3:ROOT" "--typecode=3:8300" "/dev/sdb",
    "zpool" "create" "npool" "disk" "/dev/sda" "/dev/sdb3" "mirror" "/dev/sdc" "/dev/sdd" "raidz3" "/dev/sde" "/dev/sdf" "/dev/sdg",
    "zfs" "create" "-o" "mountpoint=legacy" "npool/home",
    "zfs" "create" "-o" "mountpoint=legacy" "npool/var",
    "zfs" "create" "-o" "mountpoint=legacy" "npool/root",
    "zfs" "create" "-o" "mountpoint=legacy" "npool/nix",
]
efi rewrite!
npool/root	/	zfs	defaults	0	0
npool/nix	/nix	zfs	defaults	0	0
npool/var	/var	zfs	defaults	0	0
/dev/sdb2	none	swap	none	0	0
npool/home	/home	zfs	defaults	0	0
/dev/sdb1	/boot	vfat	errors=remount-ro	0	2
efi rewrite!

fileSystems."/" = {
  device = "npool/root";
  fsType = "zfs";
  options = "defaults";
};


fileSystems."/nix" = {
  device = "npool/nix";
  fsType = "zfs";
  options = "defaults";
};


fileSystems."/var" = {
  device = "npool/var";
  fsType = "zfs";
  options = "defaults";
};


fileSystems."/home" = {
  device = "npool/home";
  fsType = "zfs";
  options = "defaults";
};


fileSystems."/boot" = {
  device = "/dev/sdb1";
  fsType = "vfat";
  options = "errors=remount-ro";
};

 !!!
swapDevices = [
  {
    device = "/dev/sdb2";
  }
];