emacs-31 b6332ac21b1: Do not asynchronously prompt to save buffers after vc-checkin

branch: emacs-31
commit b6332ac21b12bc15083935574a18d0316d31b02b
Author: Aaron L. Zeng <[email protected]>
Commit: Sean Whitton <[email protected]>

    Do not asynchronously prompt to save buffers after vc-checkin
    
    * lisp/vc/vc-dispatcher.el (vc-set-async-update): Bind
    `non-essential' around background `vc-dir-refresh'.
---
 lisp/vc/vc-dispatcher.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lisp/vc/vc-dispatcher.el b/lisp/vc/vc-dispatcher.el
index 2111b8f2900..53ab1da1c60 100644
--- a/lisp/vc/vc-dispatcher.el
+++ b/lisp/vc/vc-dispatcher.el
@@ -696,7 +696,11 @@ If the current buffer visits a file, call `vc-refresh-state'."
                            (with-current-buffer buf
                              ,@body))))))
       (cond ((derived-mode-p 'vc-dir-mode)
-             (run-delayed (vc-dir-refresh)))
+             (run-delayed
+              ;; Avoid interrupting the user with prompts to save
+              ;; buffers.
+              (let ((non-essential t))
+                (vc-dir-refresh))))
             ((derived-mode-p 'dired-mode)
              (run-delayed
               (when (= (buffer-modified-tick buf) tick)