move options back out to their config files, improve documentation

modules/options/global.nix

@@ -1,6 +1,8 @@
 { inputs, self, ... }: let
-  mkSharedGlobalOptions = { lib }: {
-    info = {
+  mkExtraPackagesDescription = optionName: "This option is equivalent to `${optionName}`, and exists purely for convenience.";
+in {
+  imports = [ (inputs.helpers.mkMirroredModulesFlakeModule "globalOptions" ({ lib, ... }: {
+    options.info = {
       rootPath = lib.mkOption {
         type = lib.types.str;
         description = "This option is used to tell the config the global path to the flake's root directory, in order to perform impure actions (in a Nix sense, not morally impure, I promise).";
@@ -20,80 +22,61 @@
         default = "";
       };
     };
+  })) ];
 
-    features = {
-      applications = {
-        cli = {
-          color-converter.enable = lib.mkEnableOption "color-converter";
-          fastfetch.enable = lib.mkEnableOption "fastfetch";
-          nh.enable = lib.mkEnableOption "nh";
-        };
-
-        extraPackages = lib.mkOption {
-          type = lib.types.listOf (lib.types.package);
-          default = [];
-        };
-      };
-
-      shells = {
-        zsh = {
-          enable = lib.mkEnableOption "zsh";
-          antidote.enable = lib.mkEnableOption "antidote";
-        };
-      };
-    };
-  };
-
-  mkExtraPackagesDescription = optionName: "This options is equivalent to `${optionName}`, and exists purely for convenience.";
-in {
   flake.nixosModules.globalOptions = { lib, ... }: {
-    options = (mkSharedGlobalOptions { inherit lib; }) // {
+    options = {
       components = {
-        bootLoader = lib.mkOption {
-          type = inputs.helpers.mkEnumFromDirContents "${self}/modules/components/boot-loaders";
-          description = "This option defines the bootloader that should be used, enabling any config associated with it in the process.";
-          default = "grub";
+        bootLoader = {
+          selection = lib.mkOption {
+            type = inputs.helpers.mkEnumFromDirContents "${self}/modules/components/boot-loaders";
+            description = "This option defines the bootloader that should be used, enabling any config associated with it in the process.";
+            default = "grub";
+          };
+
+          timeout = lib.mkOption {
+            type = lib.types.int;
+            description = "This option defines the timeout length that the bootloader should use, which controls the wait time for keyboard input before selecting the default entry.";
+            default = 5;
+          };
+
+          maxGenerations = lib.mkOption {
+            type = lib.types.int;
+            description = "This option defines how many entries should be displayed in the bootloader, which can be useful when there are many NixOS generations present before garbage-collection.";
+            default = 10;
+          };
         };
       };
 
-      features = (mkSharedGlobalOptions { inherit lib; }).features // {
-        shells = {
-          defaultShell = lib.mkOption {
-            type = inputs.helpers.mkEnumFromDirContents "${self}/modules/features/shells";
-            description = "This option controls the shell that should be used as the default, enabling that shell in the process.";
-            default = "zsh";
-          };
-        } // (mkSharedGlobalOptions { inherit lib; }).features.shells;
-
-        nixos.home-manager.enable = lib.mkEnableOption "home-manager";
-
-        applications = (mkSharedGlobalOptions { inherit lib; }).features.applications // {
-          extraPackages = (mkSharedGlobalOptions { inherit lib; }).features.applications.extraPackages // { description = mkExtraPackagesDescription "environment.systemPackages"; };
-        };
+      features.applications.extraPackages = lib.mkOption {
+        type = lib.types.listOf (lib.types.package);
+        description = mkExtraPackagesDescription "environment.systemPackages";
+        default = [];
       };
     };
   };
 
   flake.homeModules.globalOptions = { lib, ... }: {
-    options = (mkSharedGlobalOptions { inherit lib; }) // {
+    options = {
       info = {
         isStandalone = lib.mkOption {
           type = lib.types.bool;
           description = "This option tells the config whether this home-manager config is part of a larger NixOS config or not, and is read-only.";
           default = true;
-          readOnly = true;
         };
-      } // (mkSharedGlobalOptions { inherit lib; }).info;
+      };
       
-      features = (mkSharedGlobalOptions { inherit lib; }).features // {
-        applications = (mkSharedGlobalOptions { inherit lib; }).features.applications // {
-          shellScripts = lib.mkOption {
-            type = lib.types.attrsOf (lib.types.str);
-            description = "This option is a set of multiline strings, which are processed into executable bash scripts in `$XDG_BIN_HOME`. The shebang (`#!/bin/bash`) is added afterwards, and shouldn't be included in definitions.";
-            default = {};
-          };
+      features.applications = {
+        extraPackages = lib.mkOption {
+          type = lib.types.listOf (lib.types.package);
+          description = mkExtraPackagesDescription "home.packages";
+          default = [];
+        };
 
-          extraPackages = (mkSharedGlobalOptions { inherit lib; }).features.applications.extraPackages // { description = mkExtraPackagesDescription "home.packages"; };
+        shellScripts = lib.mkOption {
+          type = lib.types.attrsOf (lib.types.str);
+          description = "This option is a set of multiline strings, which are processed into executable bash scripts in `$XDG_BIN_HOME`. The shebang (`#!/bin/bash`) is added afterwards, and shouldn't be included in definitions.";
+          default = {};
         };
       };
     };