55 lines
1.5 KiB
Nix
55 lines
1.5 KiB
Nix
{
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inputs,
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config,
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lib,
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...
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}:
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lib.my.makeSwitch {
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inherit config;
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default = true;
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optionName = "default nix settings";
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optionPath = [ "nix" ];
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config' = {
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# This will add each flake input as a registry
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# To make nix3 commands consistent with your flake
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nix.registry = (lib.mapAttrs (_: flake: { inherit flake; })) (
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(lib.filterAttrs (_: lib.isType "flake")) inputs
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);
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# This will additionally add your inputs to the system's legacy channels
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# Making legacy nix commands consistent as well, awesome!
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nix.nixPath = [ "/etc/nix/path" ];
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environment.etc = lib.mapAttrs' (name: value: {
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name = "nix/path/${name}";
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value.source = value.flake;
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}) config.nix.registry;
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nix.settings = {
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# Enable flakes and new 'nix' command
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experimental-features = "nix-command flakes";
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# Deduplicate and optimize nix store
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auto-optimise-store = true;
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substituters = [
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# "https://mirror.sjtu.edu.cn/nix-channels/store"
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"https://mirrors.sjtug.sjtu.edu.cn/nix-channels/store"
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"https://mirrors.ustc.edu.cn/nix-channels/store"
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"https://nix-community.cachix.org"
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"https://cache.nixos.org"
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];
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trusted-public-keys = [
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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];
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};
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# uncomment to enable auto gc
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/*
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nix.gc = {
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automatic = true;
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dates = "weekly";
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options = "--delete-older-than 30d";
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};
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*/
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};
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}
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