46 lines
1.1 KiB
Nix
46 lines
1.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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asGB = size: toString (size * 1024 * 1024);
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in
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{
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nix = {
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settings.trusted-public-keys = [
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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];
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settings.substituters = [
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"https://nix-community.cachix.org"
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];
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# Hard-link duplicated files
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settings.auto-optimise-store = true;
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# auto-free the /nix/store
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settings.min-free = asGB 10;
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settings.max-free = asGB 200;
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# avoid copying unecessary stuff over SSH
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settings.builders-use-substitutes = true;
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# allow flakes
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settings.experimental-features = "nix-command flakes";
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# users in trusted group are trusted by the nix-daemon
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settings.trusted-users = [ "@trusted" ];
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# useful for ad-hoc nix-shell's for debugging
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nixPath = [ "nixpkgs=${pkgs.path}" ];
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gc.automatic = true;
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gc.options = "--delete-older-than 14d";
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};
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# Sometimes it fails if a store path is still in use.
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# This should fix intermediate issues.
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systemd.services.nix-gc.serviceConfig = {
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Restart = "on-failure";
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};
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users.groups.trusted = { };
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}
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