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fix(impermanence): mark /persist and /home neededForBoot
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The impermanence module asserts that the persistent-storage volume and
every volume it bind-mounts into are available in early boot. Persisted
user dirs land under /home, so both /persist and the @home subvolume
must have neededForBoot = true. disko and nixos-generate-config leave it
at the default (false), so a fresh install with impermanence enabled
aborted with:

    All filesystems used for persistent storage must have the option
    "neededForBoot" set to true.
    Please fix the following filesystems: /persist /home

Declare neededForBoot in the module that imposes the requirement.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Bernardo Magri
2026-06-02 19:34:04 +01:00
parent a84e903ae1
commit 27821c270f
1 changed files with 11 additions and 0 deletions
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11
core/system/impermanence.nix
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@@ -87,6 +87,17 @@ in
''; '';
}; };
# The impermanence module asserts that every filesystem it touches is
# available in early boot: the persistent-storage volume (/persist) and
# any volume it bind-mounts *into* — the user-persistence dirs land under
# /home, so the @home subvolume counts too. disko and
# nixos-generate-config leave neededForBoot at its default (false) on
# these subvolumes, which trips the assertion ("Please fix the following
# filesystems: /persist /home"). Declare it here, where the requirement
# originates.
fileSystems."/persist".neededForBoot = true;
fileSystems."/home".neededForBoot = true;
# 2. Persistence Configuration: What survives the wipe # 2. Persistence Configuration: What survives the wipe
environment.persistence."/persist" = { environment.persistence."/persist" = {
hideMounts = true; hideMounts = true;