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|
{
config,
lib,
...
}:
with lib; let
cfg = config.system.fileSystemLayouts;
defaultMountOptions = [
"compress-force=zstd:15" # This saves disk space, at a performance cost
"noatime" # should have some performance upsides, and I don't use it anyways
"lazytime" # make time changes in memory
];
in {
options.system.fileSystemLayouts = {
enable = mkEnableOption (mdDoc "fileSystemLayout");
mainDisk = mkOption {
type = lib.types.path;
example = literalExpression "/dev/disk/by-uuid/0442cb6d-f13a-4635-b487-fa76189774c5";
description = lib.mdDoc "Path to the main disk";
};
efiDisk = mkOption {
type = lib.types.path;
example = literalExpression "/dev/disk/by-uuid/5143-6136";
description = lib.mdDoc "Path to the main disk";
};
};
config = mkIf cfg.enable {
fileSystems = {
"/" = {
device = "none";
fsType = "tmpfs";
options = ["defaults" "size=2G" "mode=755"];
};
"/nix" = {
device = cfg.mainDisk;
fsType = "btrfs";
options = ["subvol=nix-store"] ++ defaultMountOptions;
};
"/srv" = {
device = cfg.mainDisk;
fsType = "btrfs";
neededForBoot = true;
options = ["subvol=persistent-storage"] ++ defaultMountOptions;
};
"/boot" = {
device = cfg.efiDisk;
fsType = "vfat";
};
#"${config.users.users.soispha.home}" = { # TODO this causes infinite recursion
# "/home" = {
# device = "none";
# fsType = "tmpfs"; # Can be stored on normal drive or on tmpfs as well
# options = ["defaults" "size=4G" "mode=755"];
# };
};
swapDevices = [];
};
}
|