59 lines
1.5 KiB
Nix
59 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.sydnix.impermanence;
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in {
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options = {
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sydnix.impermanence = {
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enable = mkOption {
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description = "Enable Impermanence";
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type = types.bool;
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default = false;
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};
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directories = mkOption {
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description = "";
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type = with types;
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listOf (coercedTo str (d: { directory = d; }) userDir);
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default = [];
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};
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files = mkOption {
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description = "";
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type = with types;
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listOf (coercedTo str (f: { file = f; }) userFile);
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default = [];
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.erase-home-darlings =
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let service = {
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description = "Rollback home to a blank state on boot";
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wantedBy = [
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"multi-user.target"
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];
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after = [
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"home.mount"
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];
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path = [ pkgs.zfs pkgs.babashka ];
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# unitConfig.DefaultDependencies = "no";
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart =
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let script = ./erase-home-darlings.clj;
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in ''${pkgs.babashka}/bin/bb "${script}" 3'';
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};
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stopIfChanged = false;
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restartIfChanged = false;
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};
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in if config.boot.initrd.systemd.enable
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then service
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else throw "sydnix.impermanence currently requires config.boot.initrd.systemd.enable'!";
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};
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}
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