Disko for a BIOS MBR partition on i686 VM

disko.nix

{
  disko.devices = {
    disk = {
      vda = {
        type = "disk";
        device = "/dev/vda";
        content = {
          type = "gpt";
          partitions = {
            boot = {
              size = "1M";
              type = "EF02"; # for grub MBR
              priority = 1; # Needs to be first partition
            };
            root = {
              size = "100%";
              content = {
                type = "filesystem";
                format = "ext4";
                mountpoint = "/";
              };
            };
            swap = {
              size = "4G";
              content = {
                type = "swap";
                discardPolicy = "both";
                resumeDevice = true; # resume from hiberation from this device
              };
            };
          };
        };
      };
    };
  };
}