{
  description = "sefidel's nix flake dotfiles";

  inputs = {
    unstable.url = "github:nixos/nixpkgs/nixos-unstable";
    unstable-small.url = "github:nixos/nixpkgs/nixos-unstable-small";
    nixpkgs-master.url = "github:nixos/nixpkgs/master";
    nixpkgs-2311.url = "github:nixos/nixpkgs/nixos-23.11";

    nixpkgs-crystal.url = "github:sefidel/nixpkgs/crystal_1_11";

    home-manager.url = "github:nix-community/home-manager";
    home-manager.inputs.nixpkgs.follows = "unstable";

    colmena.url = "github:zhaofengli/colmena";
    colmena.inputs.nixpkgs.follows = "unstable";

    nur.url = "github:nix-community/NUR";

    impermanence.url = "github:nix-community/impermanence";

    sops-nix.url = "github:Mic92/sops-nix";
    sops-nix.inputs.nixpkgs.follows = "unstable";

    flake-compat.url = "github:edolstra/flake-compat";
    flake-compat.flake = false;

    hydra.url = "github:NixOS/hydra";

    attic.url = "github:zhaofengli/attic";

    neovim-nightly.url = "github:nix-community/neovim-nightly-overlay";
    neovim-nightly.inputs.nixpkgs.follows = "unstable";

    # TODO: https://github.com/helix-editor/helix/pull/9867
    helix.url = "github:helix-editor/helix/0ff7ccbb2c1fd06584e150b366e0c46259a32aef";
    helix.inputs.nixpkgs.follows = "unstable";
    helix.inputs.rust-overlay.follows = "rust";

    rust.url = "github:oxalica/rust-overlay";
    rust.inputs.nixpkgs.follows = "unstable";

    nix-gaming.url = "github:fufexan/nix-gaming";
    nix-gaming.inputs.nixpkgs.follows = "unstable";
  };

  outputs = { self, unstable, ... } @ inputs:
    let
      lib = unstable.lib.extend
        (self: super: { my = import ./lib { inherit inputs; lib = self; }; });
    in
    {
      lib = lib.my;

      nixosConfigurations = import ./nixos inputs;

      homeConfigurations = import ./home inputs;

      colmena = self.lib.mkColmenaFromNixOSConfigurations self.nixosConfigurations;

      hydraJobs = self.lib.mkHydraFromNixOSConfigurations self.nixosConfigurations;
        # // self.lib.mkHydraFromHomeConfigurations self.homeConfigurations;
    };
}