disko/flake-module.nix

{ lib, ... }:
{
  options.flake.diskoConfigurations = lib.mkOption {
    type = lib.types.lazyAttrsOf lib.types.raw;
    default = { };
    description = "Instantiated Disko configurations. Used by `disko` and `disko-install`.";
    example = {
      my-pc = {
        disko.devices = {
          disk = {
            my-disk = {
              device = "/dev/sda";
              type = "disk";
              content = {
                type = "gpt";
                partitions = {
                  ESP = {
                    type = "EF00";
                    size = "500M";
                    content = {
                      type = "filesystem";
                      format = "vfat";
                      mountpoint = "/boot";
                      mountOptions = [ "umask=0077" ];
                    };
                  };
                  root = {
                    size = "100%";
                    content = {
                      type = "filesystem";
                      format = "ext4";
                      mountpoint = "/";
                    };
                  };
                };
              };
            };
          };
        };
      };
    };
  };
}