os/modules/nix/default.nix

79 lines
1.8 KiB
Nix

{
config,
pkgs,
lib,
flake,
...
}: {
nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
"1password"
"1password-cli"
"brscan5"
"brscan5-etc-files"
"facetimehd-firmware"
"slack"
"veracrypt"
"zoom"
];
system.activationScripts.diff-closures = {
text =''
if [[ -e /run/current-system ]]; then
${config.nix.package}/bin/nix store diff-closures \
/run/current-system "$systemConfig" \
--extra-experimental-features nix-command
fi
'';
supportsDryActivation = true;
};
nix = {
# Use default version alias for nix package
package = pkgs.nixVersions.nix_2_21;
gc.automatic = true;
optimise.automatic = true;
registry = {
nixpkgs.flake = flake.inputs.nixpkgs;
#unstable.flake = flake.inputs.unstable;
master.flake = flake.inputs.master;
system.flake = flake.self;
};
settings = {
# Improve nix store disk usage
auto-optimise-store = true;
# Prevents impurities in builds
sandbox = true;
# Give root and @wheel special privileges with nix
trusted-users = ["root" "@wheel"];
# Allow only group wheel to connect to the nix daemon
allowed-users = ["@wheel"];
substituters = [
"https://pub-solar.cachix.org/"
];
trusted-public-keys = [
"pub-solar.cachix.org-1:ZicXIxKgdxMtgSJECWR8iihZxHRvu8ObL4n2cuBmtos="
];
};
# Generally useful nix option defaults
extraOptions = lib.mkForce ''
experimental-features = flakes nix-command
min-free = 536870912
keep-outputs = true
keep-derivations = true
fallback = true
'';
nixPath = [
"nixpkgs=${flake.inputs.nixpkgs}"
"nixos-config=${../../lib/compat/nixos}"
"home-manager=${flake.inputs.home-manager}"
];
};
}