Files
Nomarchy/core/system/nix.nix

27 lines
929 B
Nix

{ inputs, lib, ... }:
{
nix = {
settings = {
# Enable experimental features for modern Nix commands and flakes
experimental-features = [ "nix-command" "flakes" ];
# Allow users in the wheel group to manage the Nix store
trusted-users = [ "root" "@wheel" ];
# Optimize storage by hard-linking identical files
auto-optimise-store = lib.mkDefault true;
};
# Populates NIX_PATH with the nixpkgs input from the flake.
# This is critical for making 'nix-shell -p ...' and other legacy
# Nix commands work in a flake-based environment without channels.
nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
# Map all flake inputs to the system registry.
# This ensures 'nix shell nixpkgs#...' uses the exact same version
# as the rest of the system and doesn't need to re-download.
registry = lib.mapAttrs (_: value: { flake = value; }) inputs;
};
}