Installing hyprpanel

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1

I have an issue with installing hyprpanel by it guide using flakes and also using home-manager standalone method.
It throws error:

error:
       … while evaluating the attribute 'activationPackage'
         at /nix/store/pq7c3y6dvg9r4hfgib087q4lk4hsm58s-home-manager-source/modules/default.nix:62:7:
           61|
           62|       activationPackage = module.config.home.activationPackage;
             |       ^
           63|

       … while evaluating a branch condition
         at /nix/store/01635adignbizr4nyz5lpawkrxn4n4g8-source/lib/lists.nix:142:18:
          141|       len = length list;
          142|       fold' = n: if n == len then nul else op (elemAt list n) (fold' (n + 1));
             |                  ^
          143|     in

       … while evaluating the module argument `inputs' in "/home/kppcn/.config/home-manager/packages/rice/hyprpanel.nix":

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: infinite recursion encountered
       at /nix/store/01635adignbizr4nyz5lpawkrxn4n4g8-source/lib/modules.nix:652:66:
          651|       extraArgs = mapAttrs (
          652|         name: _: addErrorContext (context name) (args.${name} or config._module.args.${name})
             |                                                                  ^
          653|       ) (functionArgs f);

And i cant understand why… My home-manager config is in /home/kppcn/.config/home-manager/home.nix and it imports my nix file that must install hyprpanel

# *.nix
{ inputs, ... }:
{
  imports = [ inputs.hyprpanel.homeManagerModules.hyprpanel ];

  programs.hyprpanel = {

    # Enable the module.
    # Default: false
    enable = true;

    # Automatically restart HyprPanel with systemd.
    # Useful when updating your config so that you
    # don't need to manually restart it.
    # Default: false
    systemd.enable = true;

    # Add '/nix/store/.../hyprpanel' to your
    # Hyprland config 'exec-once'.
    # Default: false
    hyprland.enable = true;

    # Fix the overwrite issue with HyprPanel.
    # See below for more information.
    # Default: false
    overwrite.enable = true;

    # Import a theme from './themes/*.json'.
    # Default: ""
    theme = "gruvbox_split";

    # Override the final config with an arbitrary set.
    # Useful for overriding colors in your selected theme.
    # Default: {}
    override = {
      theme.bar.menus.text = "#123ABC";
    };

    # Configure bar layouts for monitors.
    # See 'https://hyprpanel.com/configuration/panel.html'.
    # Default: null
    layout = {
      "bar.layouts" = {
        "0" = {
          left = [ "dashboard" "workspaces" ];
          middle = [ "media" ];
          right = [ "volume" "systray" "notifications" ];
        };
      };
    };

    # Configure and theme almost all options from the GUI.
    # Options that require '{}' or '[]' are not yet implemented,
    # except for the layout above.
    # See 'https://hyprpanel.com/configuration/settings.html'.
    # Default: <same as gui>
    settings = {
      bar.launcher.autoDetectIcon = true;
      bar.workspaces.show_icons = true;

      menus.clock = {
        time = {
          military = true;
          hideSeconds = true;
        };
        weather.unit = "metric";
      };

      menus.dashboard.directories.enabled = false;
      menus.dashboard.stats.enable_gpu = true;

      theme.bar.transparent = true;

      theme.font = {
        name = "CaskaydiaCove NF";
        size = "16px";
      };
    };
  };
}

And also my flake.nix is /etc/nixos/ :

{
  inputs = {
    hyprpanel = {
      url = "github:Jas-SinghFSU/HyprPanel";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    spicetify-nix = {
      url = "github:Gerg-L/spicetify-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
    stylix.url = "github:nix-community/stylix/release-25.05";
    home-manager = {
      url = "github:nix-community/home-manager/release-25.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ 
   { spicetify-nix, nixpkgs, stylix, home-manager, hyprpanel, ... }: let
    system = "x86_64-linux";
   in {
    
    homeConfigurations."kppcn@nixkppcn" = home-manager.lib.homeManagerConfiguration {
    pkgs = import nixpkgs {
      inherit system;
      overlays = [
       inputs.hyprpanel.overlay
      ];
    };
    extraSpecialArgs = {
      inherit system;
      hyprpanel = inputs.hyprpanel;
    };
   };
    nixosConfigurations.nixkppcn = nixpkgs.lib.nixosSystem {
        modules = [
          ./configuration.nix
          stylix.nixosModules.stylix
          home-manager.nixosModules.home-manager
      ];
    };
  };
}

I cant understand why this happens.

2

Because you never defined inputs in your HM config. Change it to

    extraSpecialArgs = {
      inherit inputs system;
    };