{ lib, config, ... }: { options.local.notebook.disk = lib.mkOption { type = lib.types.str; default = "/dev/nvme0n1"; description = "Target block device for the notebook. Change this if the machine does not have an NVMe drive (e.g. /dev/sda)."; }; config.disko.devices = { disk.main = { device = config.local.notebook.disk; type = "disk"; content = { type = "gpt"; partitions = { ESP = { size = "512M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; mountOptions = [ "fmask=0077" "dmask=0077" ]; }; }; luks = { size = "100%"; content = { type = "luks"; name = "cryptroot"; settings.allowDiscards = true; content = { type = "btrfs"; extraArgs = [ "-f" ]; subvolumes = { "@root" = { mountpoint = "/"; mountOptions = [ "compress=zstd" "noatime" ]; }; "@nix" = { mountpoint = "/nix"; mountOptions = [ "compress=zstd" "noatime" ]; }; "@home" = { mountpoint = "/home"; mountOptions = [ "compress=zstd" "noatime" ]; }; "@log" = { mountpoint = "/var/log"; mountOptions = [ "compress=zstd" "noatime" ]; }; }; }; }; }; }; }; }; }; }