Modularize nixos and home-manager packages

modules/programs/base_packages.nix

@@ -0,0 +1,104 @@
+{ config, lib, options, pkgs, ... }: {
+  options.mods = {
+    default_base_packages = {
+      enable = lib.mkOption {
+        default = true;
+        example = false;
+        type = lib.types.bool;
+        description = ''
+          Enables default system packages.
+        '';
+      };
+      additional_packages = lib.mkOption {
+        default = [ ];
+        example = [ pkgs.openssl ];
+        type = with lib.types; listOf packages;
+        description = ''
+          Additional packages to install.
+          Note that these are installed even if base packages is disabled, e.g. you can also use this as the only packages to install.
+        '';
+      };
+    };
+  };
+
+
+  config =
+    (lib.optionalAttrs (options?environment.systemPackages)
+      {
+        environment.systemPackages = config.mods.default_base_packages.additional_packages;
+      } // (lib.mkIf config.mods.default_base_packages.enable (
+      lib.optionalAttrs
+        (options?environment.systemPackages)
+        {
+          environment.systemPackages = with pkgs; [
+            openssl
+            dbus
+            glib
+            gtk4
+            gtk3
+            libadwaita
+            gtk-layer-shell
+            gtk4-layer-shell
+            direnv
+            dconf
+            gsettings-desktop-schemas
+            gnome.nixos-gsettings-overrides
+            bibata-cursors
+            xorg.xkbutils
+            libxkbcommon
+            icon-library
+            adwaita-icon-theme
+            hicolor-icon-theme
+            morewaita-icon-theme
+            kdePackages.breeze-icons
+            seahorse
+            upower
+            (lib.mkIf config.conf.streamdeck.enable (callPackage
+              ../../override/streamdeck.nix
+              { }))
+          ];
+
+          gtk.iconCache.enable = false;
+
+          fonts.packages = with pkgs; [
+            cantarell-fonts
+          ];
+
+          nix.settings.experimental-features = "nix-command flakes";
+
+          virtualisation.docker.enable = true;
+
+          services.upower.enable = true;
+          services.dbus.enable = true;
+          services.dbus.packages = with pkgs; [
+            gnome2.GConf
+          ];
+          services.avahi = {
+            enable = true;
+            nssmdns4 = true;
+            openFirewall = true;
+          };
+
+          programs.fish.enable = true;
+          programs.fish.promptInit = ''
+            ${pkgs.any-nix-shell}/bin/any-nix-shell fish --info-right | source
+          '';
+          programs.nix-ld.enable = true;
+          programs.nix-ld.libraries = with pkgs; [
+            jdk
+            zlib
+          ];
+          programs.direnv = {
+            package = pkgs.direnv;
+            silent = false;
+            loadInNixShell = true;
+            direnvrcExtra = "";
+            nix-direnv = {
+              enable = true;
+              package = pkgs.nix-direnv;
+            };
+          };
+          programs.ssh.startAgent = true;
+          programs.gnupg.agent.enable = true;
+        })));
+}

modules/programs/coding.nix

@@ -0,0 +1,134 @@
+{ lib, config, pkgs, options, ... }: {
+  options.mods = {
+    coding = {
+      enable = lib.mkOption {
+        default = true;
+        example = false;
+        type = lib.types.bool;
+        description = ''
+          Enables coding packages.
+        '';
+      };
+      dashvim = lib.mkOption {
+        default = true;
+        example = false;
+        type = lib.types.bool;
+        description = ''
+          Enables dashvim package.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf config.mods.coding.enable (lib.optionalAttrs (options?home.packages) {
+    programs.dashvim = lib.mkIf config.mods.coding.dashvim {
+      enable = true;
+      colorscheme = config.conf.colorscheme;
+    };
+    home.packages = with pkgs; [
+      #basics
+      gitui
+      gcc
+      meson
+      ninja
+      tree-sitter
+      unzip
+      pkg-config
+      sqlite
+      plantuml
+      d-spy
+
+      # cpp
+      bear
+      clang-tools
+
+      #sql
+      nodePackages.sql-formatter
+      sqls
+
+      #assembly
+      asm-lsp
+
+      #yaml
+      yamlfmt
+      yamllint
+      yaml-language-server
+
+      #markdown
+      marksman
+      mdformat
+
+      #bash
+      bash-language-server
+      shfmt
+
+      #fsharp
+      fsharp
+      fsautocomplete
+
+      #haskell
+      haskellPackages.cabal-install
+      ghc
+      haskellPackages.haskell-language-server
+
+      #html
+      html-tidy
+
+      #json
+      jq
+      nodePackages.vscode-json-languageserver
+
+      #css
+      tailwindcss
+      tailwindcss-language-server
+      vscode-langservers-extracted
+
+      #editors
+      neovide
+      ##fallback
+      vscodium
+
+      #rust
+      rustup
+
+      #python
+      python3
+      python312Packages.python-lsp-server
+      python312Packages.python-lsp-ruff
+      python312Packages.python-lsp-black
+
+      #ts/js
+      nodejs_20
+      deno
+      typescript
+      nodePackages.typescript-language-server
+      nodePackages.prettier
+
+      #go
+      go
+      gopls
+
+      #typst
+      typst
+      tinymist
+      ltex-ls
+
+      #java
+      gradle
+      maven
+      jdt-language-server
+      temurin-jre-bin
+
+      #.!
+      dotnet-sdk_8
+      omnisharp-roslyn
+      csharpier
+      netcoredbg
+
+      #zig
+      zig
+      zls
+    ];
+
+  });
+}

modules/programs/default.nix

@@ -7,5 +7,14 @@
     ./drives.nix
     ./bluetooth.nix
     ./acpid.nix
+    ./piper.nix
+    ./greetd.nix
+    ./gnome_services.nix
+    ./printing.nix
+    ./layout.nix
+    ./base_packages.nix
+    ./home_packages.nix
+    ./media.nix
+    ./flatpak.nix
   ];
 }

modules/programs/flatpak.nix

@@ -0,0 +1,31 @@
+{ lib, config, options, pkgs, ... }: {
+  options.mods.flatpak = {
+    enable = lib.mkOption {
+      default = true;
+      example = false;
+      type = lib.types.bool;
+      description = "Enables the flatpak package manager";
+    };
+    additional_packages = lib.mkOption {
+      default = [ ];
+      example = [ ];
+      type = with lib.types; listOf str;
+      description = "Flatpak packages";
+    };
+  };
+  config = lib.mkIf config.mods.flatpak.enable
+    (lib.optionalAttrs (options?services.flatpak.remote)
+      {
+        services.flatpak.remotes = lib.mkOptionDefault [{
+          name = "flathub-stable";
+          location = "https://dl.flathub.org/repo/flathub.flatpakrepo";
+        }];
+        services.flatpak.uninstallUnmanaged = true;
+      } // lib.optionalAttrs (options?services.flatpak.packages) {
+      services.flatpak.packages = [
+        # fallback if necessary, but generally avoided as nix is superior :)
+        # default flatseal installation since flatpak permissions are totally not a broken idea 
+        "com.github.tchx84.Flatseal"
+      ] ++ config.mods.flatpak.additional_packages;
+    });
+}

modules/programs/gnome_services.nix

@@ -0,0 +1,28 @@
+{ lib, config, options, pkgs, ... }: {
+
+  options.mods = {
+    gnome_services.enable = lib.mkOption {
+      default = true;
+      type = lib.types.bool;
+      example = false;
+      description = ''
+        Enables gnome services: keyring and settings daemon.
+        Note: Do not use these for environments which ship these functionalities by default: GNOME, KDE
+      '';
+    };
+  };
+
+  config = lib.mkIf config.mods.gnome_services.enable (lib.optionalAttrs (options?services.gnome.gnome-keyring) {
+    programs.dconf.enable = true;
+    services = {
+      # needed for GNOME services outside of GNOME Desktop
+      dbus.packages = with pkgs; [
+        gcr
+        gnome.gnome-settings-daemon
+      ];
+
+      gnome.gnome-keyring.enable = true;
+      gvfs.enable = true;
+    };
+  });
+}

modules/programs/greetd.nix

@@ -0,0 +1,99 @@
+{ config, lib, inputs, pkgs, options, ... }: {
+  options.mods = {
+    greetd = {
+      enable = lib.mkOption {
+        default = true;
+        example = false;
+        type = lib.types.bool;
+        description = ''
+          Enables the greetd login manager.
+        '';
+      };
+      monitor = lib.mkOption {
+        default = "${config.conf.monitor}";
+        example = "eDP-1";
+        type = lib.types.str;
+        description = ''
+          main monitor for the login screen.
+          By default the main monitor is used.
+        '';
+      };
+      scale = lib.mkOption {
+        default = "${config.conf.scale}";
+        example = "1.5";
+        type = lib.types.str;
+        description = ''
+          Scale used by the monitor in the login screen.
+          By default the scale of the main monitor is used. 
+        '';
+      };
+      resolution = lib.mkOption {
+        default = "auto";
+        example = "3440x1440@180";
+        type = lib.types.str;
+        description = ''
+          Resolution/refreshrate used by the monitor in the login screen. 
+        '';
+      };
+    };
+  };
+
+  config =
+    let
+      username = config.conf.username;
+      session = {
+        command = "${lib.getExe inputs.hyprland.packages.${config.conf.system}.hyprland} --config /etc/greetd/hyprgreet.conf";
+        user = username;
+      };
+    in
+    lib.mkIf config.mods.greetd.enable
+      (lib.optionalAttrs (options?environment) {
+        services.xserver.displayManager.session = [
+          {
+            manage = "desktop";
+            name = "Hyprland";
+            start = ''
+              ${lib.getExe pkgs.hyprland} & waitPID=$!
+            '';
+          }
+        ];
+
+        # greetd display manager
+        programs.hyprland.enable = true;
+        services.greetd = {
+          enable = true;
+          settings = {
+            terminal.vt = 1;
+            default_session = session;
+          };
+        };
+
+        environment.etc."greetd/environments".text = ''
+          Hyprland
+        '';
+
+        # should technically be the same, but this is configured instead in order to provide a decent out of the box login experience.
+        environment.etc."greetd/hyprgreet.conf".text = ''
+          exec-once=gsettings set org.gnome.desktop.interface color-scheme 'prefer-dark'
+
+          monitor=${config.mods.greetd.monitor},${config.mods.greetd.resolution},0x0,${config.mods.greetd.scale}
+          monitor=_,disable
+
+          input {
+              kb_layout = ${config.mods.xkb.layout}
+              kb_variant = ${config.mods.xkb.variant}
+              force_no_accel = true
+          }
+
+          misc {
+              disable_splash_rendering = false
+              disable_hyprland_logo = false
+          }
+
+          exec-once=regreet --style /home/${username}/.config/gtk-3.0/gtk.css; hyprctl dispatch exit
+        '';
+
+        # unlock GPG keyring on login
+        security.pam.services.greetd.enableGnomeKeyring = true;
+      });
+}

modules/programs/home_packages.nix

@@ -0,0 +1,93 @@
+{ lib, options, config, pkgs, inputs, ... }: {
+  options.mods.home_packages = {
+    enable = lib.mkOption {
+      default = true;
+      example = false;
+      type = lib.types.bool;
+      description = "Home manager packages";
+    };
+    additional_packages = lib.mkOption {
+      default = [ ];
+      example = [ pkgs.flatpak ];
+      type = lib.types.str;
+      description = ''
+        Additional Home manager packages.
+        Will be installed regardless of default home manager packages are installed.
+      '';
+    };
+  };
+  config =
+    let
+      callPackage = lib.callPackageWith pkgs;
+    in
+    (lib.optionalAttrs (options?home.packages)
+      {
+        home.packages = config.mods.home_packages.additional_packages;
+      } // (lib.mkIf config.mods.home_packages.enable (lib.optionalAttrs (options?home.packages) {
+      home.packages = with pkgs; [
+        keepassxc
+        nheko
+        nextcloud-client
+        xournalpp
+        vesktop
+        kitty
+        fish
+        ripgrep
+        rm-improved
+        bat
+        fd
+        lsd
+        (nerdfonts.override { fonts = [ "JetBrainsMono" ]; })
+        noto-fonts
+        flatpak
+        networkmanager
+        zoxide
+        fastfetch
+        gnome-keyring
+        dbus
+        killall
+        adw-gtk3
+        qt5ct
+        qt6ct
+        gnutar
+        fishPlugins.tide
+        nix-index
+        libnotify
+        zenith
+        nh
+        amberol
+        pulseaudio
+        playerctl
+        ncspot
+        poppler_utils
+        brave
+        greetd.regreet
+        sops
+        flake-checker
+        ffmpeg
+        system-config-printer
+        brightnessctl
+        (callPackage
+          ../../override/cambalache.nix
+          { })
+      ];
+
+      #my own programs
+      programs.oxicalc.enable = true;
+      programs.oxinoti.enable = true;
+      programs.oxidash.enable = true;
+      programs.oxishut.enable = true;
+      programs.oxipaste.enable = true;
+      programs.hyprdock.enable = true;
+      programs.ReSet.enable = true;
+      programs.ReSet.config.plugins = [
+        inputs.reset-plugins.packages."x86_64-linux".monitor
+        inputs.reset-plugins.packages."x86_64-linux".keyboard
+      ];
+      programs.ReSet.config.plugin_config = {
+        Keyboard = {
+          path = "/home/${config.conf.username}/.config/reset/keyboard.conf";
+        };
+      };
+    })));
+}

modules/programs/layout.nix

@@ -0,0 +1,23 @@
+{ lib, options, config, ... }: {
+  options.mods.xkb = {
+    layout = lib.mkOption {
+      default = "dashie";
+      example = "us";
+      type = lib.types.str;
+      description = "Your layout";
+    };
+    variant = lib.mkOption {
+      default = "";
+      example = "";
+      type = lib.types.str;
+      description = "Your variant";
+    };
+  };
+  config = (lib.optionalAttrs (options?services.xserver) {
+    # Configure keymap in X11
+    services.xserver = {
+      xkb.layout = "${config.mods.xkb.layout}";
+      xkb.variant = "${config.mods.xkb.variant}";
+    };
+  });
+}

modules/programs/media.nix

@@ -0,0 +1,56 @@
+{ lib, options, config, pkgs, ... }: {
+  options.mods.media_packages = {
+    enable = lib.mkOption {
+      default = true;
+      example = false;
+      type = lib.types.bool;
+      description = "Default media packages";
+    };
+    additional_packages = lib.mkOption {
+      default = [ ];
+      example = [ pkgs.flatpak ];
+      type = lib.types.str;
+      description = ''
+        Additional media packages.
+        Will be installed regardless of default media packages are installed.
+      '';
+    };
+  };
+  config =
+    (lib.optionalAttrs (options?home.packages)
+      {
+        home.packages = config.mods.media_packages.additional_packages;
+      } // (lib.mkIf config.mods.media_packages.enable (lib.optionalAttrs (options?home.packages) {
+      home.packages = with pkgs; [
+        # base audio
+        pipewire
+        wireplumber
+        # audio control
+        playerctl
+        # images
+        imv
+        # videos
+        mpv
+        # pdf
+        zathura
+        evince
+        libreoffice-fresh
+        onlyoffice-bin
+        pdftk
+        pdfpc
+        polylux2pdfpc
+        # spotify
+        # video editing
+        kdenlive
+        # image creation
+        inkscape
+        gimp
+        krita
+        yt-dlp
+      ];
+      programs.obs-studio.enable = true;
+      programs.obs-studio.plugins = with pkgs; [
+        obs-studio-plugins.obs-vaapi
+      ];
+    })));
+}

modules/programs/piper.nix

@@ -0,0 +1,19 @@
+{ lib, config, options, pkgs, ... }: {
+  options.mods.piper = {
+    enable = lib.mkOption {
+      default = false;
+      example = true;
+      type = lib.types.bool;
+      description = "Enables the piper program and its daemon";
+    };
+  };
+  config = lib.mkIf config.mods.piper.enable
+    (lib.optionalAttrs (options?services.ratbagd)
+      {
+        services.ratbagd.enable = true;
+      } // lib.optionalAttrs (options?home.packages) {
+      home.packages = with pkgs; [
+        piper
+      ];
+    });
+}

modules/programs/printing.nix

@@ -0,0 +1,24 @@
+{ lib, config, options, pkgs, ... }: {
+  options.mods.printing = {
+    enable = lib.mkOption {
+      default = true;
+      example = false;
+      type = lib.types.bool;
+      description = "Enables the piper program and its daemon";
+    };
+  };
+  config = lib.mkIf config.mods.printing.enable
+    (lib.optionalAttrs (options?services.printing)
+      {
+        # Enable CUPS to print documents.
+        services.printing.enable = true;
+        services.printing.browsing = true;
+        services.printing.drivers = [ pkgs.hplip ];
+        services.printing.startWhenNeeded = true; # optional
+        services.avahi = {
+          enable = true;
+          nssmdns4 = true;
+          openFirewall = true;
+        };
+      });
+}