67 lines
1.5 KiB
Nix
67 lines
1.5 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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...
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}:
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with lib; let
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cfg = config.aa.nix;
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selfHostedCacheHost = "http://192.168.113.69/";
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in {
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options.aa.nix = with types; {
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enable = mkEnableOption "manage nix configuration.";
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package = mkOption {
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type = package;
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default = pkgs.nixVersions.unstable;
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description = "Which nix package to use.";
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};
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useSelfhostedCache = mkEnableOption "use self-hosted nix cache (currently hosted on gospel)";
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};
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config = mkIf cfg.enable {
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environment.systemPackages = with pkgs; [
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alejandra
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nix-prefetch
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];
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nix = let
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users = ["root" config.aa.user.name];
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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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trusted-users = users;
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allowed-users = users;
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builders-use-substitutes = cfg.useSelfhostedCache;
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substituters =
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if cfg.useSelfhostedCache
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then [
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selfHostedCacheHost
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"https://cache.nixos.org/"
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]
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else [];
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trusted-public-keys =
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if cfg.useSelfhostedCache
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then ["gospelCache:9cbn8Wm54BbwpPS0TXw+15wrYZBpfOJt4Fzfbfcq/pc="]
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else [];
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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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# TODO: Not sure if I want this
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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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