emacs-29 0d8b69e0ad3: Don't ding when completion succeeded

[Eli Zaretskii]

branch: emacs-29
commit 0d8b69e0ad37fe2d801e16a0ccafd8759dd33d02
Author: Morgan Smith <Morgan.J.Smith@outlook.com>
Commit: Eli Zaretskii <eliz@gnu.org>

    Don't ding when completion succeeded
    
    * lisp/minibuffer.el (minibuffer-completion-help): Ensure 'ding'
    is not called on a successful completion.  Ensure 'ding' is not
    called on a failure if 'completion-fail-discreetly' is set.
    Also change "No completions" to "No match" as that is what is
    used elsewhere.  (Bug#63913)
---
 lisp/minibuffer.el | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lisp/minibuffer.el b/lisp/minibuffer.el
index a873e5f9747..44226449af2 100644
--- a/lisp/minibuffer.el
+++ b/lisp/minibuffer.el
@@ -2388,9 +2388,11 @@ These include:
           ;; If there are no completions, or if the current input is already
           ;; the sole completion, then hide (previous&stale) completions.
           (minibuffer-hide-completions)
-          (ding)
-          (completion--message
-           (if completions "Sole completion" "No completions")))
+          (if completions
+              (completion--message "Sole completion")
+            (unless completion-fail-discreetly
+             (ding)
+             (completion--message "No match"))))
 
       (let* ((last (last completions))
              (base-size (or (cdr last) 0))