lang/julia: add julia-repl package

Mentioned in #1836

modules/lang/julia/autoload.el

@@ -1,13 +1,15 @@
 ;;; lang/julia/autoload.el -*- lexical-binding: t; -*-
 
 ;;;###autoload
-(defun +julia/repl ()
+(defun +julia/open-repl ()
   "Run an inferior instance of `julia' inside Emacs."
   (interactive)
-  (let ((buffer (get-buffer-create "*Julia*")))
-    (unless (comint-check-proc "*Julia*")
-      (apply #'make-comint-in-buffer "Julia" "*Julia*" julia-program julia-arguments))
-    (pop-to-buffer buffer)
-    (with-current-buffer buffer
-      (inferior-julia-mode))
-    buffer))
+  (if (require 'julia-repl nil t)
+      (julia-repl)
+    (let ((buffer (get-buffer-create "*Julia*")))
+      (unless (comint-check-proc "*Julia*")
+        (apply #'make-comint-in-buffer "Julia" "*Julia*" julia-program julia-arguments))
+      (pop-to-buffer buffer)
+      (with-current-buffer buffer
+        (inferior-julia-mode))
+      buffer)))

modules/lang/julia/config.el

@@ -3,7 +3,7 @@
 (use-package! julia-mode
   :interpreter "julia"
   :config
-  (set-repl-handler! 'julia-mode #'+julia/repl)
+  (set-repl-handler! 'julia-mode #'+julia/open-repl)
 
   ;; Borrow matlab.el's fontification of math operators
   ;; From <https://ogbe.net/emacsconfig.html>
@@ -28,3 +28,7 @@
                    "[<>!]=?" OR
                    "\\)"))
         1 font-lock-type-face)))))
+
+
+(after! julia-repl
+  (add-hook 'julia-repl-hook #'julia-repl-use-emacsclient))

modules/lang/julia/packages.el

@@ -2,4 +2,4 @@
 ;;; lang/julia/packages.el
 
 (package! julia-mode)
-
+(package! julia-repl)