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nix-darwin/modules/services/nix-gc/default.nix
Emily c796587d2e nix: remove nix.useDaemon
We now assume the daemon is used unconditionally when we manage the
Nix installation.

The `nix.gc` and `nix.optimise` services lose their `$NIX_REMOTE`
setting rather than making it unconditional, as the NixOS `nix.gc`
module does not set it. Possibly it should, but I think uniformity
between the two systems is better than diverging, even though I kind
of hate that the non‐daemon method of access is even a thing.
2025-02-07 19:44:59 +00:00

68 lines
1.9 KiB
Nix

# Based off: https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/misc/nix-gc.nix
# When making changes please try to keep it in sync.
{ config, lib, ... }:
with lib;
let
cfg = config.nix.gc;
launchdTypes = import ../../launchd/types.nix { inherit config lib; };
in
{
imports = [
(mkRemovedOptionModule [ "nix" "gc" "dates" ] "Use `nix.gc.interval` instead.")
(mkRemovedOptionModule [ "nix" "gc" "randomizedDelaySec" ] "No `nix-darwin` equivalent to this NixOS option.")
(mkRemovedOptionModule [ "nix" "gc" "persistent" ] "No `nix-darwin` equivalent to this NixOS option.")
(mkRemovedOptionModule [ "nix" "gc" "user" ] "The garbage collection service now always runs as `root`.")
];
###### interface
options = {
nix.gc = {
automatic = mkOption {
default = false;
type = types.bool;
description = "Automatically run the garbage collector at a specific time.";
};
interval = mkOption {
type = launchdTypes.StartCalendarInterval;
default = [{ Weekday = 7; Hour = 3; Minute = 15; }];
description = ''
The calendar interval at which the garbage collector will run.
See the {option}`serviceConfig.StartCalendarInterval` option of
the {option}`launchd` module for more info.
'';
};
options = mkOption {
default = "";
example = "--max-freed $((64 * 1024**3))";
type = types.str;
description = ''
Options given to {file}`nix-collect-garbage` when the
garbage collector is run automatically.
'';
};
};
};
###### implementation
config = mkIf cfg.automatic {
launchd.daemons.nix-gc = {
command = "${config.nix.package}/bin/nix-collect-garbage ${cfg.options}";
serviceConfig.RunAtLoad = false;
serviceConfig.StartCalendarInterval = cfg.interval;
};
};
}