92 lines
2.6 KiB
Nix
92 lines
2.6 KiB
Nix
{ options, config, pkgs, lib, inputs, ... }:
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with lib;
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with lib.plusultra;
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let
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cfg = config.plusultra.nix;
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substituters-submodule = types.submodule ({ name, ... }: {
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options = with types; {
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key = mkOpt (nullOr str) null "The trusted public key for this substituter.";
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};
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});
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in
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{
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options.plusultra.nix = with types; {
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enable = mkBoolOpt false "Whether or not to manage nix configuration.";
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package = mkOpt package pkgs.nixUnstable "Which nix package to use.";
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default-substituter = {
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url = mkOpt str "https://cache.nixos.org" "The url for the substituter.";
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key = mkOpt str "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" "The trusted public key for the substituter.";
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};
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extra-substituters = mkOpt (attrsOf substituters-submodule) { } "Extra substituters to configure.";
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};
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config = mkIf cfg.enable {
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assertions = mapAttrsToList
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(name: value: {
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assertion = value.key != null;
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message = "plusultra.nix.extra-substituters.${name}.key must be set";
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})
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cfg.extra-substituters;
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environment.systemPackages = with pkgs; [
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plusultra.nixos-revision
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(plusultra.nixos-hosts.override {
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hosts = inputs.self.nixosConfigurations;
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})
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deploy-rs
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nixfmt
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nix-index
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nix-prefetch-git
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nix-output-monitor
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];
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nix =
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let
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users = [ "root" config.plusultra.user.name ] ++
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optional config.services.hydra.enable "hydra";
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in
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{
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package = cfg.package;
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settings = {
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experimental-features = "nix-command flakes";
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http-connections = 50;
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warn-dirty = false;
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log-lines = 50;
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sandbox = "relaxed";
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auto-optimise-store = true;
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trusted-users = users;
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allowed-users = users;
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substituters =
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[ cfg.default-substituter.url ]
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++
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(mapAttrsToList (name: value: name) cfg.extra-substituters);
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trusted-public-keys =
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[ cfg.default-substituter.key ]
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++
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(mapAttrsToList (name: value: value.key) cfg.extra-substituters);
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} // (lib.optionalAttrs config.plusultra.tools.direnv.enable {
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keep-outputs = true;
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keep-derivations = true;
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});
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gc = {
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automatic = true;
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dates = "weekly";
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options = "--delete-older-than 30d";
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};
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# flake-utils-plus
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generateRegistryFromInputs = true;
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generateNixPathFromInputs = true;
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linkInputs = true;
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};
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};
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}
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