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|
{
config,
lib,
...
}:
with lib; let
cfg = config.system.disks;
defaultMountOptions = ["compress-force=zstd:15"];
in {
imports = [ ./impermanence.nix];
options.system.disks = {
disk = mkOption {
type = lib.types.path;
example = literalExpression "/dev/disk/by-id/ata-WDC_WD10SDRW-11A0XS0_WD-WXP2A901KJN5";
description = lib.mdDoc "Path to the disk";
};
};
config = {
disko.devices = {
disk.main = {
device = cfg.disk;
content = {
type = "btrfs";
extraArgs = ["-f" "--label nixos"]; # f: Override existing partitions
subvolumes = {
"nix" = {
mountpoint = "/nix";
mountOptions = defaultMountOptions;
};
"persistent-storage" = {
mountpoint = "/srv";
mountOptions = defaultMountOptions;
};
"persistent-storage@snapshots" = {
mountpoint = "/srv/.snapshots";
mountOptions = defaultMountOptions;
};
"boot" = {
mountpoint = "/boot";
mountOptions = defaultMountOptions;
};
};
};
};
nodev = {
"/" = {
fsType = "tmpfs";
mountOptions = ["defaults" "size=2G" "mode=755"];
};
};
};
fileSystems = {
"/srv" = {
neededForBoot = true;
};
"/boot" = {
neededForBoot = true;
};
};
};
}
# vim: ts=2
|
