95 lines
2.3 KiB
Nix
95 lines
2.3 KiB
Nix
{
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options,
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config,
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pkgs,
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lib,
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inputs,
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...
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}: let
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cfg = config.auxolotl.nix;
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substituters-submodule = lib.types.submodule ({name, ...}: {
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options = {
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key = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "The trusted public key for this substituter.";
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};
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};
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});
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in {
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options.auxolotl.nix = {
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enable = lib.mkEnableOption "Nix configuration";
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.nix;
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defaultText = "pkgs.nix";
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description = "Which Nix package to use.";
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};
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default-substituter = {
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url = lib.mkOption {
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type = lib.types.str;
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default = "https://cache.nixos.org";
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description = "The url for the substituter.";
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};
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key = lib.mkOption {
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type = lib.types.str;
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default = "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=";
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description = "The trusted public key for the substituter.";
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};
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};
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extra-substituters = lib.mkOption {
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type = lib.types.attrsOf substituters-submodule;
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default = {};
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description = "Extra substituters to configure.";
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};
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};
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config = lib.mkIf cfg.enable {
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assertions =
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lib.mapAttrsToList
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(name: value: {
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assertion = value.key != null;
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message = "auxolotl.nix.extra-substituters.${name}.key must be set";
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})
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cfg.extra-substituters;
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nix = let
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users = ["root"];
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in {
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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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log-lines = 50;
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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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++ (lib.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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++ (lib.mapAttrsToList (name: value: value.key) cfg.extra-substituters);
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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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