treewide: revert vim.leaderKey deprecation

modules/extra/deprecations.nix

@@ -59,10 +59,5 @@ in {
       With Trouble having so many different modes, and breaking changes
       upstream, it no longer makes sense, nor works, to toggle only Trouble.
     '')
-    # 2024-11-30
-    (mkRemovedOptionModule ["vim" "leaderKey"] ''
-      This has been deprecated in favor of using the more generic `vim.globals`
-      (you can use `vim.globals.mapleader` to change this instead).
-    '')
   ];
 }

modules/neovim/init/basic.nix

@@ -14,6 +14,12 @@
   cfg = config.vim;
 in {
   options.vim = {
+    leaderKey = mkOption {
+      type = str;
+      default = " ";
+      description = "The leader key used for `<leader>` mappings";
+    };
+
     colourTerm = mkOption {
       type = bool;
       default = true;
@@ -191,6 +197,8 @@ in {
       vim.o.tm = ${toLuaObject cfg.mapTimeout}
       vim.o.cursorlineopt = ${toLuaObject cfg.cursorlineOpt}
       vim.o.scrolloff = ${toLuaObject cfg.scrollOffset}
+      vim.g.mapleader = ${toLuaObject cfg.leaderKey}
+      vim.g.maplocalleader = ${toLuaObject cfg.leaderKey}
 
       ${optionalString cfg.undoFile.enable ''
         vim.o.undofile = true

modules/wrapper/rc/options.nix

@@ -101,10 +101,7 @@ in {
 
     globals = mkOption {
       type = attrs;
-      default = {
-        mapleader = " ";
-        maplocalleader = ",";
-      };
+      default = {};
       example = {"some_variable" = 42;};
       description = ''
         An attribute set containing global variable values