teutat3s
e48fe612e2
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This is useful when updating a host, by doing a dry-run with deploy-rs we get a list of changed package versions.
67 lines
1.6 KiB
Nix
67 lines
1.6 KiB
Nix
{
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config,
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pkgs,
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lib,
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flake,
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...
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}:
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{
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nixpkgs.config = lib.mkDefault {
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allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ ];
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permittedInsecurePackages = [ "olm-3.2.16" ];
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};
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system.activationScripts.diff-closures = {
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text = ''
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if [[ -e /run/current-system ]]; then
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${config.nix.package}/bin/nix store diff-closures \
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/run/current-system "$systemConfig" \
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--extra-experimental-features nix-command
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fi
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'';
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supportsDryActivation = true;
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};
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nix = {
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# Use default version alias for nix package
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package = pkgs.nix;
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gc.automatic = true;
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optimise.automatic = true;
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registry = {
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nixpkgs.flake = flake.inputs.nixpkgs;
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unstable.flake = flake.inputs.unstable;
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system.flake = flake.self;
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};
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settings = {
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# Improve nix store disk usage
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auto-optimise-store = true;
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# Prevents impurities in builds
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sandbox = true;
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# Give root and @wheel special privileges with nix
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trusted-users = [
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"root"
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"@wheel"
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];
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# Allow only group wheel to connect to the nix daemon
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allowed-users = [ "@wheel" ];
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};
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# Generally useful nix option defaults
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extraOptions = lib.mkForce ''
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experimental-features = flakes nix-command
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min-free = 536870912
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keep-outputs = true
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keep-derivations = true
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fallback = true
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'';
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nixPath = [
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"nixpkgs=${flake.inputs.nixpkgs}"
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"nixos-config=${../../lib/compat/nixos}"
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"home-manager=${flake.inputs.home-manager}"
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];
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};
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}
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