mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-12 04:35:41 +03:00
374e6bcc40
Format all Nix files using the officially approved formatter,
making the CI check introduced in the previous commit succeed:
nix-build ci -A fmt.check
This is the next step of the of the [implementation](https://github.com/NixOS/nixfmt/issues/153)
of the accepted [RFC 166](https://github.com/NixOS/rfcs/pull/166).
This commit will lead to merge conflicts for a number of PRs,
up to an estimated ~1100 (~33%) among the PRs with activity in the past 2
months, but that should be lower than what it would be without the previous
[partial treewide format](https://github.com/NixOS/nixpkgs/pull/322537).
Merge conflicts caused by this commit can now automatically be resolved while rebasing using the
[auto-rebase script](8616af08d9/maintainers/scripts/auto-rebase).
If you run into any problems regarding any of this, please reach out to the
[formatting team](https://nixos.org/community/teams/formatting/) by
pinging @NixOS/nix-formatting.
81 lines
2.4 KiB
Nix
81 lines
2.4 KiB
Nix
{ config, lib, ... }:
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let
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cfg = config.nix.optimise;
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in
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{
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options = {
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nix.optimise = {
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automatic = lib.mkOption {
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default = false;
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type = lib.types.bool;
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description = "Automatically run the nix store optimiser at a specific time.";
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};
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dates = lib.mkOption {
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default = [ "03:45" ];
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type = with lib.types; listOf str;
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description = ''
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Specification (in the format described by
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{manpage}`systemd.time(7)`) of the time at
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which the optimiser will run.
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'';
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};
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randomizedDelaySec = lib.mkOption {
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default = "1800";
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type = lib.types.singleLineStr;
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example = "45min";
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description = ''
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Add a randomized delay before the optimizer will run.
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The delay will be chosen between zero and this value.
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This value must be a time span in the format specified by
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{manpage}`systemd.time(7)`
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'';
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};
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persistent = lib.mkOption {
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default = true;
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type = lib.types.bool;
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example = false;
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description = ''
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Takes a boolean argument. If true, the time when the service
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unit was last triggered is stored on disk. When the timer is
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activated, the service unit is triggered immediately if it
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would have been triggered at least once during the time when
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the timer was inactive. Such triggering is nonetheless
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subject to the delay imposed by RandomizedDelaySec=. This is
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useful to catch up on missed runs of the service when the
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system was powered down.
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'';
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};
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};
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};
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config = {
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assertions = [
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{
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assertion = cfg.automatic -> config.nix.enable;
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message = ''nix.optimise.automatic requires nix.enable'';
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}
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];
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systemd = lib.mkIf config.nix.enable {
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services.nix-optimise = {
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description = "Nix Store Optimiser";
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# No point this if the nix daemon (and thus the nix store) is outside
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unitConfig.ConditionPathIsReadWrite = "/nix/var/nix/daemon-socket";
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serviceConfig.ExecStart = "${config.nix.package}/bin/nix-store --optimise";
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startAt = lib.optionals cfg.automatic cfg.dates;
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};
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timers.nix-optimise = lib.mkIf cfg.automatic {
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timerConfig = {
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RandomizedDelaySec = cfg.randomizedDelaySec;
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Persistent = cfg.persistent;
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};
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};
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};
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};
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}
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