modules/performance: document pathsToLink default

We set the default with "normal" priority, so explicitly list it as
`defaultText`.

Author: MattSturgeon

modules/performance.nix

@@ -7,6 +7,39 @@
 let
   inherit (lib) types;
   cfg = config.performance;
+
+  pathsToLink = [
+    # :h rtp
+    # TODO: "/filetype.lua" # filetypes (:h new-filetype)
+    "/autoload" # automatically loaded scripts (:h autoload-functions)
+    "/colors" # color scheme files (:h :colorscheme)
+    "/compiler" # compiler files (:h :compiler)
+    "/doc" # documentation (:h write-local-help)
+    "/ftplugin" # filetype plugins (:h write-filetype-plugin)
+    "/indent" # indent scripts (:h indent-expression)
+    "/keymap" # key mapping files (:h mbyte-keymap)
+    "/lang" # menu translations (:h :menutrans)
+    "/lsp" # LSP client configurations (:h lsp-config)
+    "/lua" # Lua plugins (:h lua)
+    # TODO: "/menu.vim" # GUI menus (:h menu.vim)
+    "/pack" # packages (:h :packadd)
+    "/parser" # treesitter syntax parsers (:h treesitter)
+    "/plugin" # plugin scripts (:h write-plugin)
+    "/queries" # treesitter queries (:h treesitter)
+    "/rplugin" # remote-plugin scripts (:h remote-plugin)
+    "/spell" # spell checking files (:h spell)
+    "/syntax" # syntax files (:h mysyntaxfile)
+    "/tutor" # tutorial files (:h :Tutor)
+
+    # after
+    "/after"
+
+    # ftdetect
+    "/ftdetect"
+
+    # plenary.nvim
+    "/data/plenary/filetypes"
+  ];
 in
 {
   options.performance = {
@@ -48,6 +81,8 @@ in
       pathsToLink = lib.mkOption {
         type = with types; listOf str;
         default = [ ];
+        # We set this default below in `config` because we want to use default priority
+        defaultText = pathsToLink;
         example = [ "/data" ];
         description = "List of paths to link into a combined plugin pack.";
       };
@@ -71,39 +106,6 @@ in
         pkgs.vimPlugins.plenary-nvim
       ];
 
-  config.performance = {
-    # Set option value with default priority so that values are appended by default
-    combinePlugins.pathsToLink = [
-      # :h rtp
-      # TODO: "/filetype.lua" # filetypes (:h new-filetype)
-      "/autoload" # automatically loaded scripts (:h autoload-functions)
-      "/colors" # color scheme files (:h :colorscheme)
-      "/compiler" # compiler files (:h :compiler)
-      "/doc" # documentation (:h write-local-help)
-      "/ftplugin" # filetype plugins (:h write-filetype-plugin)
-      "/indent" # indent scripts (:h indent-expression)
-      "/keymap" # key mapping files (:h mbyte-keymap)
-      "/lang" # menu translations (:h :menutrans)
-      "/lsp" # LSP client configurations (:h lsp-config)
-      "/lua" # Lua plugins (:h lua)
-      # TODO: "/menu.vim" # GUI menus (:h menu.vim)
-      "/pack" # packages (:h :packadd)
-      "/parser" # treesitter syntax parsers (:h treesitter)
-      "/plugin" # plugin scripts (:h write-plugin)
-      "/queries" # treesitter queries (:h treesitter)
-      "/rplugin" # remote-plugin scripts (:h remote-plugin)
-      "/spell" # spell checking files (:h spell)
-      "/syntax" # syntax files (:h mysyntaxfile)
-      "/tutor" # tutorial files (:h :Tutor)
-
-      # after
-      "/after"
-
-      # ftdetect
-      "/ftdetect"
-
-      # plenary.nvim
-      "/data/plenary/filetypes"
-    ];
-  };
+  # Set option value with default priority so that values are appended by default
+  config.performance.combinePlugins = { inherit pathsToLink; };
 }