forked from auxolotl/templates
52 lines
1.3 KiB
Nix
52 lines
1.3 KiB
Nix
# Core Nix configuration
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{
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pkgs,
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config,
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lib,
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inputs,
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...
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}:
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let
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cfg = config.aux.system;
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in
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{
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options = {
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aux.system.allowUnfree = lib.mkEnableOption (lib.mdDoc "Allow unfree packages to install.");
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aux.system.retentionPeriod = lib.mkOption {
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description = "How long to retain NixOS generations. Defaults to 30 days (30d).";
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type = lib.types.str;
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default = "30d";
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};
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};
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config = lib.mkMerge [
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(lib.mkIf cfg.allowUnfree { nixpkgs.config.allowUnfree = true; })
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({
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nix = {
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# Enable Flakes
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settings.experimental-features = [
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"nix-command"
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"flakes"
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];
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# Enable periodic nix store optimization
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optimise.automatic = true;
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# Enable weekly garbage collection. Delete generations that are older than two weeks.
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gc = {
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automatic = true;
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dates = "weekly";
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options = "--delete-older-than ${cfg.retentionPeriod}";
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};
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# Configure NixOS to use the same software channel as Flakes
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registry = lib.mapAttrs (_: value: { flake = value; }) inputs;
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nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;
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};
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# Support for standard, dynamically-linked executables
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programs.nix-ld.enable = true;
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})
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];
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}
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