master c791a3e9f3 2/2: Fix up the loaddefs-gen updating logic

[Lars Ingebrigtsen]

branch: master
commit c791a3e9f3d48376e0c1d50e9e2648def494d635
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Fix up the loaddefs-gen updating logic
    
    * lisp/emacs-lisp/loaddefs-gen.el (loaddefs-generate): Only do the
    updating logic if we're really updating.
---
 lisp/emacs-lisp/loaddefs-gen.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/emacs-lisp/loaddefs-gen.el b/lisp/emacs-lisp/loaddefs-gen.el
index d6504f798a..e5a5c21d23 100644
--- a/lisp/emacs-lisp/loaddefs-gen.el
+++ b/lisp/emacs-lisp/loaddefs-gen.el
@@ -543,7 +543,7 @@ If INCLUDE-PACKAGE-VERSION, include package version data."
     (dolist (fdefs (seq-group-by #'car defs))
       (let ((loaddefs-file (car fdefs)))
         (with-temp-buffer
-          (if (file-exists-p loaddefs-file)
+          (if (and updating (file-exists-p loaddefs-file))
               (insert-file-contents loaddefs-file)
             (insert (loaddefs-generate--rubric loaddefs-file nil t))
             (search-backward "\f")