✨ Add tons of missing system, desktop and home modules

modules/home/desktop/gnome/default.nix

@@ -0,0 +1,91 @@
+{
+  lib,
+  pkgs,
+  self,
+  config,
+  osConfig,
+  ...
+}: let
+  inherit (lib) mkIf mkOption;
+  inherit (self) namespace;
+  inherit (self.lib) mkOpt;
+
+  cfg = config.${namespace}.desktop.gnome;
+in {
+  options.${namespace}.desktop.gnome = with lib.types; {
+    enabled-extensions = mkOption {
+      type = listOf package;
+      default = with pkgs.gnomeExtensions; [user-themes blur-my-shell appindicator unite color-picker clipboard-history];
+      example = [dash-to-dock blur-my-shell];
+      description = "Specify gnome extensions to install.";
+    };
+    favorite-apps = mkOption {
+      type = listOf str;
+      default = ["org.gnome.Nautilus.desktop" "obsidian.desktop" "firefox.desktop" "dev.zed.Zed.desktop"];
+      example = ["org.gnome.Nautilus.desktop" "obsidian.desktop"];
+      description = "Specify your favorite apps (sorted left to right).";
+    };
+    extensions = {
+      unite = {
+        show-window-buttons = mkOption {
+          type = str;
+          default = "never";
+          example = "never | maximized | tiled | both | always";
+          description = "Specify when Unite should display window buttons within the top panel.";
+        };
+        hide-window-titlebars = mkOption {
+          type = str;
+          default = "maximized";
+          example = "never | maximized | tiled | both | always";
+          description = "Specify when Unite should hide window titlebars.";
+        };
+      };
+      blur-my-shell = {
+        enable-blur = mkOpt bool false "Whether to enable blur-my-shell application blur.";
+      };
+    };
+    wallpaper = mkOpt str (builtins.toString ../wallpapers/mountain_tower_sunset.jpg) "Specify the path of your prefered Gnome wallpaper.";
+  };
+
+  config = mkIf osConfig.${namespace}.desktop.gnome.enable {
+    home.packages = cfg.enabled-extensions;
+
+    dconf.settings = {
+      "org/gnome/shell" = {
+        favorite-apps = cfg.favorite-apps;
+        enabled-extensions = lib.forEach cfg.enabled-extensions (x: x.extensionUuid);
+        disabled-extensions = []; # Make sure none of our extensions are disabled on system rebuild
+      };
+      "org/gnome/shell/extensions/unite" = mkIf (builtins.elem pkgs.gnomeExtensions.unite cfg.enabled-extensions) {
+        show-window-buttons = cfg.extensions.unite.show-window-buttons;
+        hide-window-titlebars = cfg.extensions.unite.hide-window-titlebars;
+
+        use-activities-text = false;
+        extend-left-box = false;
+        reduce-panel-spacing = false;
+        show-legacy-tray = false;
+        show-appmenu-button = false;
+        show-desktop-name = false;
+        enable-titlebar-actions = false;
+        restrict-to-primary-screen = false;
+        hide-activities-button = "never";
+        autofocus-windows = true;
+        notifications-position = "right";
+      };
+      "org/gnome/shell/extensions/blur-my-shell/applications" = mkIf cfg.extensions.blur-my-shell.enable-blur {
+        blur = true;
+        sigma = 30;
+        opacity = 230;
+        enable-all = true;
+        dynamic-opacity = false;
+      };
+      "org/gnome/desktop/background" = {
+        picture-uri = cfg.wallpaper;
+        picture-uri-dark = cfg.wallpaper;
+      };
+      "org/gnome/desktop/interface" = {
+        color-scheme = "prefer-dark";
+      };
+    };
+  };
+}