Avoid duplicate source packages in 'package-alist'

* lisp/emacs-lisp/package-vc.el (package-vc--unpack-1): Remove all
other source packages before installing the new package description.

diff --git a/lisp/emacs-lisp/package-vc.el b/lisp/emacs-lisp/package-vc.el
index 8811f9ac7b782b6502ec1bc634eb353ececbd308..7edecddaa1ed0fdd360b90920be6ac5585ae32bb 100644 (file)
--- a/lisp/emacs-lisp/package-vc.el
+++ b/lisp/emacs-lisp/package-vc.el
@@ -390,7 +390,7 @@ documentation and marking the package as installed."
   ;; Remove any previous instance of PKG-DESC from `package-alist'
   (let ((pkgs (assq (package-desc-name pkg-desc) package-alist)))
     (when pkgs
-      (setf (cdr pkgs) (delq pkg-desc (cdr pkgs)))))
+      (setf (cdr pkgs) (seq-remove #'package-vc-p (cdr pkgs)))))
 
   ;; In case the package was installed directly from source, the
   ;; dependency list wasn't know beforehand, and they might have