41 lines
904 B
Nix
41 lines
904 B
Nix
{ lib, pkgs, ... }:
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{
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imports = [ (import ./partitions.nix { }) ];
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boot.supportedFilesystems = [ "btrfs" ];
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services.btrfs.autoScrub.enable = true;
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# {{{ Mark a bunch of paths as needed for boot
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fileSystems =
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lib.attrsets.genAttrs
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[
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"/"
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"/nix"
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"/persist/data"
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"/persist/state"
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"/persist/local/cache"
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"/boot"
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]
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(p: {
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neededForBoot = true;
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});
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# }}}
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# {{{ Rollback
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boot.initrd.systemd.services.rollback = {
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path = [ pkgs.btrfs-progs ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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};
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unitConfig.DefaultDependencies = "no";
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wantedBy = [ "initrd.target" ];
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after = [ "systemd-cryptsetup@enc.service" ];
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before = [ "sysroot.mount" ];
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script = ''
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btrfs subvolume delete /root
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btrfs subvolume snapshot /blank /root
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'';
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};
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# }}}
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}
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