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41 lines
1.2 KiB
Nix
41 lines
1.2 KiB
Nix
# https://nixos.wiki/wiki/Impermanence
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#
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# https://nixos.wiki/wiki/Impermanence
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# https://grahamc.com/blog/erase-your-darlings/
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# https://lantian.pub/en/article/modify-computer/nixos-impermanence.lantian/
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#
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# This file defines the "non-hardware dependent" part of opt-in persistence
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# It imports impermanence, defines the basic persisted dirs, and ensures each
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# users' home persist dir exists and has the right permissions
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#
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# It works even if / is tmpfs, btrfs snapshot, or even not ephemeral at all.
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{ lib, inputs, config, ... }: {
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imports = [
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inputs.impermanence.nixosModules.impermanence
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];
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environment.persistence = {
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"/persist" = {
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directories = [
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"/var/lib/containers"
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"/var/lib/systemd"
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"/var/lib/nixos"
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# "/var/log"
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"/srv"
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];
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};
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};
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programs.fuse.userAllowOther = true;
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system.activationScripts.persistent-dirs.text =
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let
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mkHomePersist = user: lib.optionalString user.createHome ''
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mkdir -p /persist/${user.home}
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chown ${user.name}:${user.group} /persist/${user.home}
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chmod ${user.homeMode} /persist/${user.home}
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'';
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users = lib.attrValues config.users.users;
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in
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lib.concatLines (map mkHomePersist users);
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}
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