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22 lines
492 B
Nix
22 lines
492 B
Nix
{ config, ... }:
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let
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inherit (builtins) any attrValues elem;
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allMounts = attrValues config.fileSystems;
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testDiskOption = option: disk: elem option disk.options;
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testDiskDiscard = testDiskOption "discard";
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in
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{
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config = {
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assertions = [
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{
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assertion = config.services.fstrim.enable -> !any testDiskDiscard allMounts;
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message = ''
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enabling "discard" mount option is discouraged because services.fstrim is enabled
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'';
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}
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];
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};
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}
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