51 lines
1018 B
Nix
51 lines
1018 B
Nix
{ inputs, pkgs, lib, config, ... }:
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let
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configurationLimit = config.mod.gc.configurationLimit;
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in
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{
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imports = [ inputs.nix-gc-env.nixosModules.default ];
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options = {
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mod.gc = {
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configurationLimit = lib.mkOption {
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type = lib.types.int;
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default = 10;
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description = "number of configuration generations to keep";
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};
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};
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};
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config = {
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nix.gc = {
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automatic = true;
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dates = "weekly";
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# `delete_generations` added by nix-gc-env
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delete_generations = "+${builtins.toString configurationLimit}";
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};
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boot = {
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kernelPackages = pkgs.linuxPackages_latest;
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kernel = {
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sysctl = {
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"fs.inotify.max_user_instances" = 1024; # default: 128
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};
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};
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loader = {
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systemd-boot = {
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enable = true;
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inherit configurationLimit;
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};
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efi.canTouchEfiVariables = true;
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};
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initrd.secrets = {
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"/crypto_keyfile.bin" = null;
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};
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};
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};
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}
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