dotfiles/flake.nix

{
  description = "My awesome system config";

  inputs = {
    # Nix
    master.url = "github:nixos/nixpkgs";
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    stable.url = "github:nixos/nixpkgs/nixos-23.05";

    flake-utils.url = "github:numtide/flake-utils";
    flake-parts.url = "github:hercules-ci/flake-parts";
    devshell.url = "github:numtide/devshell";

    agenix.inputs.nixpkgs.follows = "nixpkgs";
    agenix.url = "github:ryantm/agenix";

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

    nil = {
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
      url = "github:oxalica/nil";
    };

    pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";

    nix-super.url = "github:privatevoid-net/nix-super";
    nix-super.inputs.nixpkgs.follows = "stable";

    rofi-wayland.url = "github:lbonn/rofi/wayland";
    rofi-wayland.flake = false;

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

    # Neovim
    neovim-nightly-overlay.url = "github:nix-community/neovim-nightly-overlay";

    smartcolumn-nvim.flake = false;
    smartcolumn-nvim.url = "github:m4xshen/smartcolumn.nvim";

    telekasten-nvim.flake = false;
    telekasten-nvim.url = "github:renerocksai/telekasten.nvim";

    telescope-nvim.flake = false;
    telescope-nvim.url = "github:nvim-telescope/telescope.nvim";

    nvim-treesitter.flake = false;
    nvim-treesitter.url = "github:nvim-treesitter/nvim-treesitter/v0.9.1"; # NOTE: to fix weird latest issues

    hmts-nvim.flake = false;
    hmts-nvim.url = "github:calops/hmts.nvim";

    actions-preview-nvim.flake = false;
    actions-preview-nvim.url = "github:aznhe21/actions-preview.nvim";

    nix-lazy-nvim.url = "git+https://git.moritzboeh.me/moritz/NixLazy.nvim";

    nvim-puppeteer.flake = false;
    nvim-puppeteer.url = "github:chrisgrieser/nvim-puppeteer";

    # Hyprland
    hypr-contrib.url = "github:hyprwm/contrib";
    hyprland.url = "github:hyprwm/Hyprland";
    hyprpaper.url = "github:hyprwm/hyprpaper";

    # Laptop
    asus-touchpad-numpad-driver.url = "github:MoritzBoehme/asus-touchpad-numpad-driver/german-layout";
    asus-touchpad-numpad-driver.flake = false;

    # Firefox user.js
    arkenfox-userjs.url = "github:arkenfox/user.js";
    arkenfox-userjs.flake = false;

    timers.url = "git+https://gitea.moritzboeh.me/moritz/timers.git";
  };

  outputs = inputs@{ self, flake-parts, ... }:
    let
      defaultOverlays = [
        inputs.hypr-contrib.overlays.default
        inputs.neovim-nightly-overlay.overlay
        self.overlay
      ];
      finalOverlays =
        defaultOverlays ++ [
          (
            _: prev: {
              master = import inputs.master {
                inherit (prev) system;
                overlays = defaultOverlays;
              };
              stable = import inputs.stable {
                inherit (prev) system;
                overlays = defaultOverlays;
              };
            }
          )
        ];
    in
    flake-parts.lib.mkFlake { inherit inputs; } {
      imports = [
        inputs.flake-parts.flakeModules.easyOverlay
        inputs.pre-commit-hooks.flakeModule
        inputs.devshell.flakeModule
      ];

      systems = [ "x86_64-linux" ];
      perSystem = { config, self', inputs', pkgs, system, ... }: {
        _module.args.pkgs =
          import inputs.nixpkgs {
            inherit system;
            overlays = finalOverlays;
          };

        devshells.default = {
          devshell.startup.pre-commit-hook.text = config.pre-commit.installationScript;
          commands = [
            {
              name = "agenix";
              help = "wrapper around agenix";
              command = ''
                sudo EDITOR="${pkgs.lib.getExe pkgs.vim}" ${pkgs.lib.getExe' inputs'.agenix.packages.default "agenix"} --identity /etc/ssh/ssh_host_ed25519_key "$@"
              '';
            }
            {
              name = "nixos-build";
              help = "use nom to build system";
              command =
                ''
                  nom build --no-link ".#nixosConfigurations.$(hostname).config.system.build.toplevel" $@
                '';
            }
            {
              name = "nixos-switch";
              help = "wrapper for nixos-rebuild switch";
              command = "sudo nixos-rebuild switch --flake . $@";
            }
            {
              name = "nixos-test";
              help = "wrapper for nixos-rebuild switch";
              command = "sudo nixos-rebuild test --flake . $@";
            }
            {
              name = "nixos-boot";
              help = "wrapper for nixos-rebuild switch";
              command = "sudo nixos-rebuild boot --flake . $@";
            }
          ];
        };

        pre-commit = {
          check.enable = true;
          settings = {
            hooks = {
              nixpkgs-fmt.enable = true;
              statix.enable = true;
              shellcheck.enable = true;
              stylua.enable = true;
            };
          };
        };

        legacyPackages = pkgs;

        packages =
          self.lib.filterAttrs (_: self.lib.isDerivation)
            (self.overlay pkgs pkgs);
      };

      flake = {
        lib = inputs.nixpkgs.lib.extend
          (self: _: { my = import ./lib { lib = self; }; });

        overlay = import ./overlays {
          inherit inputs;
          inherit (self) lib;
        };

        nixosConfigurations = self.lib.my.mapModules
          (path:
            self.lib.nixosSystem {
              inherit (self) lib;
              specialArgs = {
                inherit inputs self;
              };
              modules =
                [
                  ./modules
                  {
                    nixpkgs = {
                      overlays = finalOverlays;
                      config.allowUnfree = true;
                    };
                  }
                  inputs.home-manager.nixosModule
                  {
                    home-manager = {
                      useGlobalPkgs = true;
                      useUserPackages = true;
                      extraSpecialArgs = { inherit inputs self; };
                      sharedModules = [ inputs.nix-lazy-nvim.homeManagerModules.default ];
                    };
                  }
                  inputs.agenix.nixosModules.age
                  inputs.disko.nixosModules.default
                  inputs.impermanence.nixosModules.impermanence
                ]
                ++ [ path ];
            })
          ./hosts;
      };
    };

  nixConfig = {
    extra-substituters = [
      "https://hyprland.cachix.org"
      "https://nix-community.cachix.org"
      "https://pre-commit-hooks.cachix.org"
    ];
    extra-trusted-public-keys = [
      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      "pre-commit-hooks.cachix.org-1:Pkk3Panw5AW24TOv6kz3PvLhlH8puAsJTBbOPmBo7Rc="
    ];
  };
}