41 lines
1.0 KiB
Nix
41 lines
1.0 KiB
Nix
{ lib, config, inputs, ... }:
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{
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nix = {
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gc = {
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automatic = true;
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options = "--delete-older-than 2d";
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};
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optimise.automatic = true;
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settings = {
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allow-dirty = true;
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auto-allocate-uids = true;
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builders-use-substitutes = true;
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experimental-features = [ "nix-command" "flakes" "auto-allocate-uids" ];
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log-lines = 50;
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use-xdg-base-directories = true;
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};
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/* This makes commandline tools like
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** nix run nixpkgs#hello
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** and nix-shell -p hello
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** use the same channel the system
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** was built with
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*/
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registry = lib.mkMerge [
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{
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"nixpkgs".flake = inputs.nixpkgs;
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"nixpkgs-unstable".flake = inputs.nixpkgs-unstable;
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}
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# We avoid the reference to self in vmVariant to get a stable system .outPath for equivalence testing
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(lib.mkIf (!config.virtualisation.isVmVariant) {
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"pvv-nix".flake = inputs.self;
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})
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];
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nixPath = [
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"nixpkgs=${inputs.nixpkgs}"
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"unstable=${inputs.nixpkgs-unstable}"
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];
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};
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}
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