Get rid of LSP for Lua and add command to run lua-format

config.org

@@ -1178,11 +1178,43 @@
      #+end_src
 
 ** Lua
-   Using a pretty standard LSP setup for Lua:
+   Just using basic =lua-mode= package:
 
    #+begin_src emacs-lisp
      (use-package lua-mode)
-     (add-hook 'lua-mode-hook #'lsp-deferred)
+   #+end_src
+
+   I want to indent with tabs (set to 4 characters wide):
+
+   #+begin_src emacs-lisp
+	 (setq lua-indent-level 4)
+   #+end_src
+
+   I also want to be able to run =lua-format= on files with =C-c f=
+   like I have with =clang-format=. The first step for this is to make
+   an interactive function to run the formatter; this can be done with
+   [[help:call-process-region][call-process-region]].
+
+   #+begin_src emacs-lisp
+	 (defvar lua-format-binary "lua-format")
+
+	 (defun lua-format ()
+	   (interactive)
+	   (if (executable-find lua-format-binary)
+		   (let ((start (if (region-active-p) (region-beginning) (point-min)))
+				 (end (if (region-active-p) (region-end) (point-max))))
+			 (call-process-region start end lua-format-binary t '(t nil)))
+		 (error "%s" (concat lua-format-binary " not found."))))
+   #+end_src
+
+   This then needs to be assigned to the keybinding:
+
+   #+begin_src emacs-lisp
+	 (add-hook
+	  'lua-mode-hook
+	  (lambda () (define-key lua-mode-map (kbd "C-c f") 'lua-format)))
+   #+end_src
+
    #+end_src
 
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