args: let bootDevice = args.bootDevice or "/dev/sda"; in { disko.devices = { disk = { vdb = { type = "disk"; device = bootDevice; content = { type = "gpt"; partitions = { esp = { priority = 1; start = "1M"; end = "128M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; }; linux = { size = "100%"; content = { type = "btrfs"; extraArgs = [ "-f" ]; subvolumes = let mountOptions = [ "compress=zstd" "noatime" ]; in { "/root" = { mountpoint = "/"; inherit mountOptions; }; "/nix" = { mountpoint = "/nix"; inherit mountOptions; }; }; }; }; }; }; }; }; }; }