44 lines
946 B
Nix
44 lines
946 B
Nix
{ inputs, pkgs, ... }:
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{
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imports = [ inputs.impermanence.nixosModules.impermanence ];
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boot.initrd.systemd =
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let
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bins = with pkgs; [
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coreutils
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util-linux
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findutils
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btrfs-progs
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];
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in
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{
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initrdBin = bins;
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services.impermanence = {
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description = "Rollback BTRFS subvolumes to a pristine state";
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serviceConfig.Type = "oneshot";
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wantedBy = [ "initrd.target" ];
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before = [ "sysroot.mount" ];
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after = [ "cryptsetup.target" ];
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unitConfig.DefaultDependencies = "no";
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path = bins;
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script = builtins.readFile ./impermanence.sh;
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};
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};
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fileSystems."/persist".neededForBoot = true;
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environment.persistence."/persist" = {
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hideMounts = true;
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directories = [
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"/etc/nixos"
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"/var/lib/nixos"
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"/var/lib/systemd/coredump"
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"/var/log"
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];
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files = [ "/etc/machine-id" ];
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};
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}
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