emacs-29 832b013ef0 2/2: Insert news for installed packages only

[Philip Kaludercic]

branch: emacs-29
commit 832b013ef041b13a55f9ccf6e1eca617f605753c
Author: muffinmad <andreyk.mad@gmail.com>
Commit: Philip Kaludercic <philipk@posteo.net>

    Insert news for installed packages only
    
    * lisp/emacs-lisp/package.el (describe-package-1): Check package is
    installed and "news" is a regular file.  (Bug#59684)
---
 lisp/emacs-lisp/package.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index 8e7c34da38..f10dc91572 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -2696,7 +2696,10 @@ Helper function for `describe-package'."
          (signed (if desc (package-desc-signed desc)))
          (maintainer (cdr (assoc :maintainer extras)))
          (authors (cdr (assoc :authors extras)))
-         (news (and-let* ((file (expand-file-name "news" pkg-dir))
+         (news (and-let* (pkg-dir
+                          ((not built-in))
+                          (file (expand-file-name "news" pkg-dir))
+                          ((file-regular-p file))
                           ((file-readable-p file)))
                  file)))
     (when (string= status "avail-obso")