61 lines
1.2 KiB
Nix
61 lines
1.2 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.nix.gc;
|
|
in
|
|
|
|
{
|
|
|
|
###### interface
|
|
|
|
options = {
|
|
|
|
nix.gc = {
|
|
|
|
automatic = mkOption {
|
|
default = false;
|
|
type = types.bool;
|
|
description = "Automatically run the garbage collector at a specific time.";
|
|
};
|
|
|
|
dates = mkOption {
|
|
default = "03:15";
|
|
type = types.str;
|
|
description = ''
|
|
Specification (in the format described by
|
|
<citerefentry><refentrytitle>systemd.time</refentrytitle>
|
|
<manvolnum>7</manvolnum></citerefentry>) of the time at
|
|
which the garbage collector will run.
|
|
'';
|
|
};
|
|
|
|
options = mkOption {
|
|
default = "";
|
|
example = "--max-freed $((64 * 1024**3))";
|
|
type = types.str;
|
|
description = ''
|
|
Options given to <filename>nix-collect-garbage</filename> when the
|
|
garbage collector is run automatically.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
###### implementation
|
|
|
|
config = {
|
|
|
|
systemd.services.nix-gc =
|
|
{ description = "Nix Garbage Collector";
|
|
script = "exec ${config.nix.package.out}/bin/nix-collect-garbage ${cfg.options}";
|
|
startAt = optional cfg.automatic cfg.dates;
|
|
};
|
|
|
|
};
|
|
|
|
}
|