From 2058f15506909073f5c4cdc82b6b8a05594b34c1 Mon Sep 17 00:00:00 2001
From: "Dirk-Jan C. Binnema" <djcb@djcbsoftware.nl>
Date: Fri, 10 Nov 2023 16:33:50 +0200
Subject: [PATCH] mu4e: improve startup routine

Switch to main buffer if it already exists, in the non-background case.
---
 mu4e/mu4e.el | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/mu4e/mu4e.el b/mu4e/mu4e.el
index ed66c97a..30551463 100644
--- a/mu4e/mu4e.el
+++ b/mu4e/mu4e.el
@@ -61,13 +61,14 @@
 Then, show the main window, unless BACKGROUND (prefix-argument)
 is non-nil."
   (interactive "P")
-  (if (and (not background) (buffer-live-p mu4e-main-buffer-name))
-      ;; already running.
-      (switch-to-buffer mu4e-main-buffer-name)
-    ;; start mu4e, then show the main view
-    (mu4e--init-handlers)
-    (mu4e--start
-     (unless background #'mu4e--main-view))))
+  (if (not (mu4e-running-p))
+      (progn
+        (mu4e--init-handlers)
+        (mu4e--start (unless background #'mu4e--main-view)))
+    ;; mu4e already running
+    (when (and (not background)
+               (buffer-live-p (get-buffer mu4e-main-buffer-name)))
+      (switch-to-buffer mu4e-main-buffer-name))))
 
 (defun mu4e-quit(&optional bury)
   "Quit the mu4e session or bury the buffer.