# USAGE in your configuration.nix.
# Update devices to match your hardware.
{ device ? throw "Set this to your disk device, e.g. /dev/sda", root_size
, nix_size, ... }: {
  disko.devices = {
    disk = {
      main = {
        inherit device;
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            boot = {
              size = "1M";
              type = "EF02"; # for grub MBR
            };
            ESP = {
              size = "1G";
              type = "EF00";
              content = {
                type = "filesystem";
                format = "vfat";
                mountpoint = "/boot";
                mountOptions = [ "umask=0077" ];
              };
            };
            nix = {
              size = "${nix_size}";
              content = {
                type = "filesystem";
                format = "ext4";
                mountpoint = "/nix";
              };
            };
            root = {
              size = "${root_size}";
              content = {
                type = "filesystem";
                format = "ext4";
                mountpoint = "/";
              };
            };
            home = {
              size = "100%";
              content = {
                type = "filesystem";
                format = "ext4";
                mountpoint = "/home";
              };
            };
          };
        };
      };
    };
  };
}