{
  description = "Home Manager configuration of julian";

  inputs = {
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
    systems.url = "github:nix-systems/default-linux";
    nixos-hardware.url = "github:nixos/nixos-hardware";
    impermanence.url = "github:nix-community/impermanence";
    nix-colors.url = "github:misterio77/nix-colors";
    deploy-rs.url = "github:serokell/deploy-rs";

    nixos-generators = {
      url = "github:nix-community/nixos-generators";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    home-manager = {
      url = "github:nix-community/home-manager/release-25.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-index-database = {
      url = "github:nix-community/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-gl = {
      url = "github:nix-community/nixgl";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    flake-parts.url = "github:hercules-ci/flake-parts";
    import-tree.url = "github:vic/import-tree";

    # Various flakes
    yazi-flavors = {
      url = "github:yazi-rs/flavors";
      flake = false;
    };
    nixvim = {
      url = "github:nix-community/nixvim/nixos-25.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-matlab = {
      url = "gitlab:doronbehar/nix-matlab";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # My projects
    sheet-organizer = {
      url = "git+https://gitlab.julian-mutter.de/julian/sheet-organizer";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    music-reader = {
      url = "git+https://gitlab.julian-mutter.de/julian/music-reader";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs:
    inputs.flake-parts.lib.mkFlake {inherit inputs;} (inputs.import-tree
      [
        ./hosts
        ./features-nixos
        ./homes
        ./features-home-manager
        # ./modules
        # ./overlays
        # ./packages
      ]);
  # let
  #   inherit (self) outputs;
  #   lib = nixpkgs.lib // home-manager.lib;
  #   forEachSystem = f: lib.genAttrs (import systems) (system: f pkgsFor.${system});
  #   pkgsFor = lib.genAttrs (import systems) (
  #     system:
  #       import nixpkgs {
  #         inherit system;
  #         config.allowUnfree = true;
  #         config.permittedInsecurePackages = [
  #           "olm-3.2.16"
  #         ];
  #         warn-dirty = false;
  #       }
  #   );
  # in {
  #   inherit lib;

  #   nixosModules = import ./modules/nixos;
  #   homeManagerModules = import ./modules/home-manager;

  #   overlays = import ./overlays {inherit inputs outputs;};
  #   # hydraJobs = import ./hydra.nix { inherit inputs outputs; }; # TODO add hydra jobs here?

  #   packages = forEachSystem (pkgs: import ./pkgs {inherit pkgs;});
  #   devShells = forEachSystem (pkgs: import ./shell.nix {inherit pkgs;});
  #   formatter = forEachSystem (pkgs: pkgs.alejandra); # nix fmt *

  #   nixosConfigurations = {
  #     # Main laptop
  #     aspi = lib.nixosSystem {
  #       modules = [
  #         ./hosts/aspi
  #       ];
  #       specialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #     # Piano raspberry pi
  #     # pianonix = lib.nixosSystem {
  #     #   modules = [./hosts/pianonix];
  #     #   specialArgs = {
  #     #     inherit inputs outputs;
  #     #   };
  #     # };
  #     kardorf = lib.nixosSystem {
  #       modules = [./hosts/kardorf];
  #       specialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #     builder = lib.nixosSystem {
  #       modules = [./hosts/builder];
  #       specialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #   };

  #   # Standalone HM
  #   homeConfigurations = {
  #     # Main laptop
  #     "julian@aspi" = lib.homeManagerConfiguration {
  #       modules = [
  #         ./homes/julian/aspi.nix
  #         ./homes/julian/hm-standalone-config.nix
  #       ];
  #       pkgs = pkgsFor.x86_64-linux;
  #       extraSpecialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #     # Media server (RPi)
  #     # "julian@pianonix" = lib.homeManagerConfiguration {
  #     #   modules = [
  #     #     ./homes/julian/pianonix.nix
  #     #     ./homes/julian/hm-standalone-config.nix
  #     #   ];
  #     #   pkgs = pkgsFor.aarch64-linux;
  #     #   extraSpecialArgs = {
  #     #     inherit inputs outputs;
  #     #   };
  #     # };
  #     "julian@kardorf" = lib.homeManagerConfiguration {
  #       modules = [
  #         ./homes/julian/kardorf.nix
  #         ./homes/julian/hm-standalone-config.nix
  #       ];
  #       pkgs = pkgsFor.x86_64-linux;
  #       extraSpecialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #     "julian@v3ms" = lib.homeManagerConfiguration {
  #       modules = [
  #         ./homes/julian/v3ms
  #         ./homes/julian/hm-standalone-config.nix
  #       ];
  #       pkgs = pkgsFor.x86_64-linux;
  #       extraSpecialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #     "julian@quickstart" = lib.homeManagerConfiguration {
  #       modules = [
  #         ./homes/julian/quickstart.nix
  #         ./homes/julian/hm-standalone-config.nix
  #       ];
  #       pkgs = pkgsFor.x86_64-linux;
  #       extraSpecialArgs = {
  #         inherit inputs outputs;
  #       };
  #     };
  #   };

  #   # deploy-rs node configuration
  #   deploy.nodes = {
  #     # pianonix = {
  #     #   hostname = "pianonix.local";
  #     #   profiles.system = {
  #     #     sshUser = "root";
  #     #     user = "root";
  #     #     path = inputs.deploy-rs.lib.aarch64-linux.activate.nixos self.nixosConfigurations.pianonix;
  #     #     confirmTimeout = 90; # default: 30s; raspberrypi takes a little longer restarting services
  #     #   };
  #     # };

  #     builder = {
  #       hostname = "builder.julian-mutter.de";
  #       profiles.system = {
  #         sshUser = "root";
  #         user = "root";
  #         path = inputs.deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.builder;
  #         remoteBuild = true;
  #       };
  #     };
  #   };

  #   # substitutes: nixos-generate --flake .#pianonix -f sd-aarch64 --system aarch64-linux
  #   pianonix-image = inputs.nixos-generators.nixosGenerate {
  #     system = "aarch64-linux";
  #     format = "sd-aarch64";
  #     modules = [./hosts/pianonix];
  #     specialArgs = {
  #       inherit inputs outputs;
  #     };
  #   };
  # };
}