{
  description = "My nixOS flake for home-manager";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

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

    niri = {
      url = "github:sodiboo/niri-flake";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    agenix = {
      url = "github:ryantm/agenix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.home-manager.follows = "home-manager";
    };

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

    zen-browser = {
      url = "github:0xc000022070/zen-browser-flake";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs =
    {
      self,
      nixpkgs,
      home-manager,
      niri,
      rust-overlay,
      agenix,
      ...
    }@inputs:
    let
      username = "primary";
      homeDirectory = "/home/${username}";
      hostname = nixpkgs.lib.strings.removeSuffix "\n" (builtins.readFile /etc/hostname);

      pkgs' =
        (import nixpkgs {
          system = "x86_64-linux";
        }).applyPatches
          {
            name = "nixpkgs";
            src = inputs.nixpkgs;
            patches = [
              # https://github.com/NixOS/nixpkgs/pull/67576
              # gimp 3.0
              (builtins.fetchurl {
                url = "https://github.com/NixOS/nixpkgs/pull/67576.diff";
                sha256 = "02fk89563m2xfrl7kl9s1hh4bcppwrmd60j542kyl64nd2cvp9ss";
              })

              # mistral-rs 0.5.0
              # https://github.com/NixOS/nixpkgs/pull/392645
              (builtins.fetchurl {
                url = "https://github.com/NixOS/nixpkgs/pull/392645.diff";
                sha256 = "1sc65jfx5ngsa4zkfnybg6ma65g2wgzd6ac1gajxwqni5470i5rq";
              })
            ];
          };
      pkgs = import pkgs' {
        system = "x86_64-linux";
      };
    in
    {
      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;
      homeConfigurations."${username}" = home-manager.lib.homeManagerConfiguration {
        inherit pkgs;
        extraSpecialArgs = {
          inherit
            inputs
            username
            homeDirectory
            optimizeWithFlags
            ;
        };

        modules = [
          ./system-${hostname}.nix
          niri.homeModules.config
          agenix.homeManagerModules.age

          (
            { pkgs, ... }:
            {
              nixpkgs.overlays = [
                rust-overlay.overlays.default
                inputs.niri.overlays.niri
              ];

              # home-manager stuff
              home = {
                inherit username homeDirectory;
              };
            }
          )
        ];
      };
    };
}