{ pkgs, lib, # flakes nixpkgs_as_input, templates, self, ... }: { nix = { package = pkgs.nixVersions.latest; # Disable nix channels (this is a remnant of old days) channel.enable = false; registry = { nixpkgs.flake = nixpkgs_as_input; n.flake = nixpkgs_as_input; t.flake = templates; my_flake.flake = self; m.flake = self; }; gc = { automatic = true; dates = "weekly"; options = "--delete-older-than 7d"; }; settings = { auto-optimise-store = true; experimental-features = [ "nix-command" "flakes" #"ca-derivations" ]; use-xdg-base-directories = true; #substituters = ["https://cache.ngi0.nixos.org/"]; #trusted-public-keys = ["cache.ngi0.nixos.org-1:KqH5CBLNSyX184S9BKZJo1LxrxJ9ltnY2uAs5c/f1MA="]; fallback = true; # Build from source, if binary can't be substituted keep-failed = true; # keep failed tmp build dirs pure-eval = true; # restrict file system and network access to hash sandbox-fallback = false; # Don't disable the sandbox, if the kernel doesn't support it }; }; }